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0001 # German translations for Digikam Manual package.
0002 # Copyright (C) licensed under the  <a href="https://creativecommons.org/licenses/by-sa/4.0/">Creative Commons License SA 4.0</a> unless stated otherwise
0003 # This file is distributed under the same license as the Digikam Manual package.
0004 # Automatically generated, 2023.
0005 #
0006 msgid ""
0007 msgstr ""
0008 "Project-Id-Version: Digikam Manual 8.0.0\n"
0009 "Report-Msgid-Bugs-To: \n"
0010 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0011 "PO-Revision-Date: 2022-12-30 12:41+0100\n"
0012 "Last-Translator: Automatically generated\n"
0013 "Language-Team: none\n"
0014 "Language: de\n"
0015 "MIME-Version: 1.0\n"
0016 "Content-Type: text/plain; charset=UTF-8\n"
0017 "Content-Transfer-Encoding: 8bit\n"
0018 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
0019 
0020 #: ../../image_editor/enhancement_tools.rst:1
0021 msgid "digiKam Image Editor Enhancement Tools"
0022 msgstr ""
0023 
0024 #: ../../image_editor/enhancement_tools.rst:1
0025 msgid ""
0026 "digiKam, documentation, user manual, photo management, open source, free, "
0027 "learn, easy, image, editor, healing, clone, lens, distortion, sharpen, blur, "
0028 "red, eyes, local, contrast, noise, reduction, hot, pixels, restoration, "
0029 "vignetting"
0030 msgstr ""
0031 
0032 #: ../../image_editor/enhancement_tools.rst:14
0033 msgid "Enhancement Tools"
0034 msgstr ""
0035 
0036 #: ../../image_editor/enhancement_tools.rst:16
0037 msgid "Contents"
0038 msgstr ""
0039 
0040 #: ../../image_editor/enhancement_tools.rst:21
0041 msgid "Lens Distortion Correction"
0042 msgstr ""
0043 
0044 #: ../../image_editor/enhancement_tools.rst:23
0045 msgid ""
0046 "The Lens Distortion is a tool to correct spherical lens aberrations on the "
0047 "photos."
0048 msgstr ""
0049 
0050 #: ../../image_editor/enhancement_tools.rst:25
0051 msgid ""
0052 "Barrel distortion is associated with wide angle (or minimal zoom) lenses. It "
0053 "causes the images to appear slightly spherical (curved outward) like a "
0054 "barrel. You can notice this when you have straight features close to the "
0055 "image's peripheral sides. Pincushion distortion is the opposite defect and "
0056 "is associated with Telephoto lenses (maximum zoom) or underwater images. The "
0057 "images appear pinched (bent inward) toward the center. The Pincushion is "
0058 "often less noticeable than barrel but are equally visible near the edges. "
0059 "These distortions can easily be eliminated without visible loss in quality "
0060 "with this tool."
0061 msgstr ""
0062 
0063 #: ../../image_editor/enhancement_tools.rst:29
0064 msgid ""
0065 "This tool treats the geometrical distortions. Chromatic aberrations will not "
0066 "be corrected by this tool. See the **Lens Auto Correction** tool instead."
0067 msgstr ""
0068 
0069 #: ../../image_editor/enhancement_tools.rst:31
0070 msgid ""
0071 "The following figures explain the main types of geometrical distortions:"
0072 msgstr ""
0073 
0074 #: ../../image_editor/enhancement_tools.rst:33
0075 msgid "(1): Pincushion distortion."
0076 msgstr ""
0077 
0078 #: ../../image_editor/enhancement_tools.rst:35
0079 msgid "(2): No distortion."
0080 msgstr ""
0081 
0082 #: ../../image_editor/enhancement_tools.rst:37
0083 msgid "(3): Barrel distortion."
0084 msgstr ""
0085 
0086 #: ../../image_editor/enhancement_tools.rst:43
0087 msgid "The Geometrical Distortion Types"
0088 msgstr ""
0089 
0090 #: ../../image_editor/enhancement_tools.rst:47
0091 msgid ""
0092 "A bit of explanation first. The geometrical corrections use 4th-order "
0093 "polynomial coefficients:"
0094 msgstr ""
0095 
0096 #: ../../image_editor/enhancement_tools.rst:49
0097 msgid ""
0098 "The 1st-order coefficient changes the size of the image. The tool calls this "
0099 "**Zoom**."
0100 msgstr ""
0101 
0102 #: ../../image_editor/enhancement_tools.rst:51
0103 msgid ""
0104 "The 2nd-order coefficient treats the main geometrical distortion of lenses "
0105 "and can correct the convex or concave shape of the image."
0106 msgstr ""
0107 
0108 #: ../../image_editor/enhancement_tools.rst:53
0109 msgid ""
0110 "The 3rd-order coefficient has a similar rounding effect but levels off "
0111 "towards the edges. This correction is not employed in the tool."
0112 msgstr ""
0113 
0114 #: ../../image_editor/enhancement_tools.rst:55
0115 msgid ""
0116 "The 4th-order coefficient corrects the far edges inversely to the 2nd-order "
0117 "rounding. Combining it with the 2nd-order correction the geometrical "
0118 "distortions can be almost completely eliminated."
0119 msgstr ""
0120 
0121 #: ../../image_editor/enhancement_tools.rst:61
0122 msgid "The Image Editor Lens Distortion Tool"
0123 msgstr ""
0124 
0125 #: ../../image_editor/enhancement_tools.rst:63
0126 msgid "Four sliders let you set the distortion correction filter:"
0127 msgstr ""
0128 
0129 #: ../../image_editor/enhancement_tools.rst:65
0130 msgid ""
0131 "**Main**: this value controls the amount of 2nd-order distortion. Negative "
0132 "values correct barrel distortions, while positive values correct pincushion "
0133 "distortion."
0134 msgstr ""
0135 
0136 #: ../../image_editor/enhancement_tools.rst:67
0137 msgid ""
0138 "**Edge**: this value controls the amount of 4th-order distortion. The Edge "
0139 "control has more effect at the edges of the image than at the center. For "
0140 "most lenses, the **Edge** parameter has the opposite sign of the **Main** "
0141 "parameter."
0142 msgstr ""
0143 
0144 #: ../../image_editor/enhancement_tools.rst:69
0145 msgid ""
0146 "**Zoom**: this value rescales the overall image size (1st-order correction). "
0147 "Negative values zoom out of the image, while positive values zoom in."
0148 msgstr ""
0149 
0150 #: ../../image_editor/enhancement_tools.rst:71
0151 msgid ""
0152 "**Brighten**: this control adjusts the brightness in image corners. Negative "
0153 "values decrease the brightness image corners, while positive values increase "
0154 "it."
0155 msgstr ""
0156 
0157 #: ../../image_editor/enhancement_tools.rst:73
0158 msgid ""
0159 "To help you to choose the best filter settings, the widget dialog "
0160 "illustrates with a thumbnail preview the distortion correction applied to a "
0161 "crossed mesh pattern. The values you apply to your image will be saved and "
0162 "come up with the same values as default the next time you call the tool."
0163 msgstr ""
0164 
0165 #: ../../image_editor/enhancement_tools.rst:77
0166 msgid ""
0167 "The barrel-pincushion correction should be done before any crop or size "
0168 "changes (including perspective correction). In fact the Barrel-Pincushion "
0169 "corrections should be the very first step on the original image. If you crop "
0170 "the image and then use barrel correction the effect would be obviously wrong."
0171 msgstr ""
0172 
0173 #: ../../image_editor/enhancement_tools.rst:79
0174 msgid ""
0175 "To help you finding the best correction the tool provides a vertical and "
0176 "horizontal guide. Move the mouse cursor in the image preview to display the "
0177 "dashed lines guide. Move the cursor to an important place in the image like "
0178 "the sea level or a building border and press the left mouse button for "
0179 "freeze the dashed lines position. Now, adjust the barrel/pincushion "
0180 "correction to align with the guide."
0181 msgstr ""
0182 
0183 #: ../../image_editor/enhancement_tools.rst:81
0184 msgid ""
0185 "When using pincushion correction the resulting image will have a black "
0186 "border in the corner. You will need to cut this out with a crop tool "
0187 "available in :menuselection:`Transform --> Crop` Image Editor menu or via "
0188 "the zoom slider of this dialog."
0189 msgstr ""
0190 
0191 #: ../../image_editor/enhancement_tools.rst:83
0192 msgid ""
0193 "On most images using the barrel correction is enough, however with some "
0194 "shots such as front images, frames, paintings, the next logical step is to "
0195 "use perspective correction to make all the angles 90 degrees. Note that when "
0196 "you hold your camera by hand you almost always introduce some kind of slight "
0197 "perspective distortion."
0198 msgstr ""
0199 
0200 #: ../../image_editor/enhancement_tools.rst:88
0201 msgid "Vignetting Correction"
0202 msgstr ""
0203 
0204 #: ../../image_editor/enhancement_tools.rst:91
0205 #: ../../image_editor/enhancement_tools.rst:198
0206 #: ../../image_editor/enhancement_tools.rst:405
0207 msgid "Overview"
0208 msgstr ""
0209 
0210 #: ../../image_editor/enhancement_tools.rst:93
0211 msgid ""
0212 "digiKam The Vignetting correction is a tool to correct image vignetting "
0213 "(under-exposure in the corners)."
0214 msgstr ""
0215 
0216 #: ../../image_editor/enhancement_tools.rst:95
0217 msgid ""
0218 "Wide angle lenses, especially those used in medium and large format "
0219 "photography, frequently do not uniformly illuminate the entire sensor plane. "
0220 "Instead, they *vignette* (shade) the edges and corners of the image, "
0221 "substantially reducing the light reaching the sensor there. But telelenses "
0222 "may show vignetting too."
0223 msgstr ""
0224 
0225 #: ../../image_editor/enhancement_tools.rst:97
0226 msgid ""
0227 "The traditional solution for this is to attach a *center filter* to the "
0228 "lens. This is a neutral density filter with maximum density at the optical "
0229 "axis of the lens, clear at the periphery, with density varying inversely to "
0230 "the vignetting of the lens. A center filter has many advantages: not only "
0231 "does it automatically correct for full-frame images but, since it's fixed to "
0232 "the front of the lens, it also compensates for the off-center vignetting "
0233 "which occurs when camera movements are employed for perspective or plane of "
0234 "focus adjustment."
0235 msgstr ""
0236 
0237 #: ../../image_editor/enhancement_tools.rst:99
0238 msgid ""
0239 "But there are disadvantages as well. Many center filters require a 1.5 or 2 "
0240 "f-stop filter factor adjustment, which may in turn necessitate a shutter "
0241 "speed so slow (since wide angle lenses, even with center filters, are best "
0242 "used at apertures of f/16 or smaller) that hand-holding the camera is "
0243 "impossible and motion blur becomes a problem when photographing moving "
0244 "objects."
0245 msgstr ""
0246 
0247 #: ../../image_editor/enhancement_tools.rst:101
0248 msgid ""
0249 "With the wide exposure range of present-day film and the color (or grey-"
0250 "scale) depth of digital camera or film scanners, it is possible to simulate "
0251 "the effect of a center filter by applying an equivalent transform to a raw "
0252 "image taken without the filter."
0253 msgstr ""
0254 
0255 #: ../../image_editor/enhancement_tools.rst:104
0256 msgid "Using the vignetting correction tool"
0257 msgstr ""
0258 
0259 #: ../../image_editor/enhancement_tools.rst:110
0260 msgid "The Vignetting Correction Types"
0261 msgstr ""
0262 
0263 #: ../../image_editor/enhancement_tools.rst:112
0264 msgid ""
0265 "Five sliders give you control over the vignetting correction filter, and "
0266 "three more over the target image exposure:"
0267 msgstr ""
0268 
0269 #: ../../image_editor/enhancement_tools.rst:114
0270 msgid ""
0271 "**Amount**: this option controls the degree of luminosity attenuation by the "
0272 "filter at its point of maximum amount. The default amount is 2.0, which "
0273 "corresponds to an optical filter with a 1 f-stop filter factor (or, by no "
0274 "coincidence, a factor of 2 in luminosity). Increase the amount to compensate "
0275 "for a greater degree of vignetting; reduce it for less."
0276 msgstr ""
0277 
0278 #: ../../image_editor/enhancement_tools.rst:116
0279 msgid ""
0280 "**Feather**: this option determines the rate at which the filter intensity "
0281 "falls off from the point of maximum amount toward the edges, expressed as a "
0282 "power factor. The default of 1 yields a linear reduction in filter amount "
0283 "with distance from the center. Power factors greater than 1.0 cause a faster "
0284 "fall-off (for example, a power of 2 causes the amount to decrease as the "
0285 "square of the distance from the center) and causes the effect of the filter "
0286 "to be concentrated near the center. Powers less than 1 spread out the amount "
0287 "of the filter toward the edges; a power of 0.5 causes the amount to fall as "
0288 "the square root of the distance from the center."
0289 msgstr ""
0290 
0291 #: ../../image_editor/enhancement_tools.rst:118
0292 msgid ""
0293 "**Radius**: this option specifies the radius, as a multiple of the half "
0294 "diagonal measure of the image, at which the amount of the filter falls off "
0295 "to zero (or, in other words, becomes transparent). The default value of 1.0 "
0296 "specifies a filter which is transparent at its corners. A radius "
0297 "specification greater than 1 extends the effect of the center filter beyond "
0298 "the edges of the image, while a radius less than one limits the filter's "
0299 "action to a region smaller than the image. When compensating for vignetting "
0300 "by lenses used with large format and some medium format cameras, the default "
0301 "radius factor of 1 is rarely correct! These lenses often \"cover\" an image "
0302 "circle substantially larger than the film to permit camera movements to "
0303 "control perspective and focus, and consequently have a vignetting pattern "
0304 "which extends well beyond the edges of the film, requiring a radius setting "
0305 "greater than 1 to simulate a center filter covering the entire image circle."
0306 msgstr ""
0307 
0308 #: ../../image_editor/enhancement_tools.rst:120
0309 msgid ""
0310 "**X offset** and **Y offset** settings: these options moves respectively the "
0311 "center of the filter horizontally or vertically up to the border of the "
0312 "image by the specified percentage. A negative value for the X offset will "
0313 "shift the filter to the left while a positive value will shift it to the "
0314 "right. A negative value for the Y offset will move the filter up, and "
0315 "finally a positive value will move it down."
0316 msgstr ""
0317 
0318 #: ../../image_editor/enhancement_tools.rst:122
0319 msgid ""
0320 "**Add Vignetting**: many photographs looks flat because of a distracting "
0321 "background or another composition matter. While most of time you will want "
0322 "to remove vignetting it is a fact that a selective vignetting could improve "
0323 "the readability of a photograph and draw the eyes to the intended subject. "
0324 "As an artist you may choose this option, ticking it will invert the filter "
0325 "thus darkening the corners of a photograph."
0326 msgstr ""
0327 
0328 #: ../../image_editor/enhancement_tools.rst:124
0329 msgid ""
0330 "The only way to be sure which settings of **Amount**, **Feather**, and "
0331 "**Radius** best compensate for the actual optical characteristics of a given "
0332 "lens is to expose a uniformly illuminated scene (for example, a grey card "
0333 "lit by diffuse light) and perform densitometry on the resulting image (for "
0334 "example with Adjust Level tool histogram position bar). Failing that, or "
0335 "specifications by the lens manufacturer giving the precise degree of "
0336 "vignetting at one or more working apertures, you may have to experiment with "
0337 "different settings to find those which work best for each of your lenses. "
0338 "For help you in this task, the widget dialog provide a thumbnail mask "
0339 "rendering applied on the image. Fortunately, the response of the human eye "
0340 "is logarithmic, not linear like most digital imaging sensors, so you needn't "
0341 "precisely compensate for the actual vignetting to create images which "
0342 "viewers will perceive as uniformly illuminated."
0343 msgstr ""
0344 
0345 #: ../../image_editor/enhancement_tools.rst:128
0346 msgid ""
0347 "If you want a finer exposure re-adjustment of the target image, use the "
0348 "Adjust Curve tool from Image Editor available under :menuselection:`Color --"
0349 "> Adjust Curve` menu entry."
0350 msgstr ""
0351 
0352 #: ../../image_editor/enhancement_tools.rst:131
0353 msgid "The vignetting correction tool in action"
0354 msgstr ""
0355 
0356 #: ../../image_editor/enhancement_tools.rst:133
0357 msgid ""
0358 "This is an example of an anti vignetting correction applied to an image. The "
0359 "original image on the top shows vignetting in the corners, the corrected "
0360 "image on the bottom much less. The values used for this example are:"
0361 msgstr ""
0362 
0363 #: ../../image_editor/enhancement_tools.rst:135
0364 msgid "Density = 2.6."
0365 msgstr ""
0366 
0367 #: ../../image_editor/enhancement_tools.rst:137
0368 msgid "Power = 0.9."
0369 msgstr ""
0370 
0371 #: ../../image_editor/enhancement_tools.rst:139
0372 msgid "Radius = 1.1."
0373 msgstr ""
0374 
0375 #: ../../image_editor/enhancement_tools.rst:145
0376 msgid "The Image Editor Anti-Vignetting Tool"
0377 msgstr ""
0378 
0379 #: ../../image_editor/enhancement_tools.rst:150
0380 msgid "Lens Auto Correction"
0381 msgstr ""
0382 
0383 #: ../../image_editor/enhancement_tools.rst:152
0384 msgid ""
0385 "No lens is optically perfect. Even the most expensive lenses have there own "
0386 "imperfections, however digiKam can correct lens imperfections such as "
0387 "**Distortion**, **Chromatic aberration**, **Vignetting**, and **Geometry**."
0388 msgstr ""
0389 
0390 #: ../../image_editor/enhancement_tools.rst:158
0391 msgid "The Lens Auto-Correction Tool from digiKam Image Editor"
0392 msgstr ""
0393 
0394 #: ../../image_editor/enhancement_tools.rst:160
0395 msgid ""
0396 "From Image Editor go to :menuselection:`Enhance --> Lens --> Auto "
0397 "Corrections` menu entry to start the automatic lens correction tool. This "
0398 "feature uses lens data from the `Lensfun library <https://lensfun.github.io/"
0399 ">`_ and it has a very much up to date database of lenses which are "
0400 "available. It has more than a hundred lenses in its current databases. It "
0401 "also uses the **Metadata** from the image to find-out which lens is used."
0402 msgstr ""
0403 
0404 #: ../../image_editor/enhancement_tools.rst:162
0405 msgid ""
0406 "If the exact used to take the picture is available it will mention that it "
0407 "matches with the metadata (annoted in **Green**), however if the exact match "
0408 "is not available it will choose the settings from the most closes match "
0409 "(annoted in **Orange**). In this case it also allows users to select the "
0410 "lens themselves. If metadata do not match at all, it will be annoted in "
0411 "**Red**."
0412 msgstr ""
0413 
0414 #: ../../image_editor/enhancement_tools.rst:168
0415 msgid "Metadata Match with LensFun Database"
0416 msgstr ""
0417 
0418 #: ../../image_editor/enhancement_tools.rst:174
0419 msgid "Metadata Match Partially with LensFun Database"
0420 msgstr ""
0421 
0422 #: ../../image_editor/enhancement_tools.rst:180
0423 msgid "Metadata do not Match with LensFun Database"
0424 msgstr ""
0425 
0426 #: ../../image_editor/enhancement_tools.rst:182
0427 msgid ""
0428 "You can either enable or disable the helper **Grid** lines to visualise how "
0429 "the geometrical distortion are corrected on image."
0430 msgstr ""
0431 
0432 #: ../../image_editor/enhancement_tools.rst:188
0433 msgid ""
0434 "The Lens Auto-Correction Tool Displaying the Helper Grid over the Canvas"
0435 msgstr ""
0436 
0437 #: ../../image_editor/enhancement_tools.rst:190
0438 msgid ""
0439 "Select the corrections you want to apply move you mouse inwards and outwards "
0440 "of the preview window which will show you before and after. When you are "
0441 "satisfied with the result press **OK**."
0442 msgstr ""
0443 
0444 #: ../../image_editor/enhancement_tools.rst:195
0445 msgid "Hot Pixels Correction"
0446 msgstr ""
0447 
0448 #: ../../image_editor/enhancement_tools.rst:200
0449 msgid ""
0450 "digiKam The Hot Pixels tool facilitates removing hot pixels from photographs "
0451 "taken with a camera electronic sensor."
0452 msgstr ""
0453 
0454 #: ../../image_editor/enhancement_tools.rst:202
0455 msgid ""
0456 "Most current digital cameras produce images with several brightly colored "
0457 "**Bad Pixels** when using slow shutter speeds. Night images can be ruined by "
0458 "these Bad Pixels. There are three different types of Bad Pixels:"
0459 msgstr ""
0460 
0461 #: ../../image_editor/enhancement_tools.rst:204
0462 msgid ""
0463 "**Stuck pixels**: it's a pixel that always reads high or is always on to "
0464 "maximum power on all exposures. This produces a bright pixel usually of red, "
0465 "blue or green color in the final image. A stuck pixel will occur regardless "
0466 "of shutter speed, aperture size or any other user settings. It will occur on "
0467 "a normal exposure and tends to be more obvious under bright condition."
0468 msgstr ""
0469 
0470 #: ../../image_editor/enhancement_tools.rst:206
0471 msgid ""
0472 "**Dead pixels**: it's a pixel that reads zero or is always off on all "
0473 "exposures. This state produces a black pixel in the final image. Similar to "
0474 "stuck pixel, a dead pixel will occur regardless of shutter speed, aperture "
0475 "size or any other user settings."
0476 msgstr ""
0477 
0478 #: ../../image_editor/enhancement_tools.rst:208
0479 msgid ""
0480 "**Hot pixels**: it's a pixel that reads high (bright) on longer exposures as "
0481 "white, red, or green color. The longer the exposure time, the more visible "
0482 "hot pixels will become. These pixels will not be visible in bright "
0483 "conditions."
0484 msgstr ""
0485 
0486 #: ../../image_editor/enhancement_tools.rst:210
0487 msgid ""
0488 "Note that stuck or dead pixels will occur at the same location for all "
0489 "images. If the location of the stuck or dead pixel occurs at different "
0490 "locations, it may be a Hot Pixel."
0491 msgstr ""
0492 
0493 #: ../../image_editor/enhancement_tools.rst:212
0494 msgid ""
0495 "Stuck, dead or hot pixels are a problem in particular when shooting in high "
0496 "quality raw mode since many cameras have built-in hot pixel suppression "
0497 "applied automatically when JPEG compression is used (which is mostly the "
0498 "case)."
0499 msgstr ""
0500 
0501 #: ../../image_editor/enhancement_tools.rst:214
0502 msgid ""
0503 "This tool can be used to fix the **Hot pixels** and **Stuck Pixels** on a "
0504 "photograph using a **Black Frame** subtraction method. There is not a manual "
0505 "editor to select Bad Pixels."
0506 msgstr ""
0507 
0508 #: ../../image_editor/enhancement_tools.rst:217
0509 msgid "Create the Black Frames"
0510 msgstr ""
0511 
0512 #: ../../image_editor/enhancement_tools.rst:219
0513 msgid ""
0514 "The Black Frame subtraction method is the most accurate \"Hot Pixels\" and "
0515 "\"Stuck Pixels\" removal. First you have to create a \"Black Frame\" as a "
0516 "reference. This is easy to do. When you finish taking your long exposure "
0517 "shots, put a lens cap on the camera and take one \"dark\" image with the "
0518 "same exposure time as the images before. This image will be all dark, but "
0519 "with close examination you will see that it has the Hot and Stuck Pixels "
0520 "(colored dots). These are positioned at the same places as on your previous "
0521 "shots."
0522 msgstr ""
0523 
0524 #: ../../image_editor/enhancement_tools.rst:221
0525 msgid ""
0526 "Load this file to the widget using the **Black Frame** button. The tool will "
0527 "process an automatic detection of Hot and Stuck Pixels. They will be "
0528 "highlighted in the control panel preview areas."
0529 msgstr ""
0530 
0531 #: ../../image_editor/enhancement_tools.rst:225
0532 msgid ""
0533 "If you use an old digital camera, it is important to re-shoot the Black "
0534 "Frame next time you are taking a long exposure images to detect new Hot and "
0535 "Stuck Pixels on sensor defects."
0536 msgstr ""
0537 
0538 #: ../../image_editor/enhancement_tools.rst:228
0539 msgid "Using the Hotpixel Tool"
0540 msgstr ""
0541 
0542 #: ../../image_editor/enhancement_tools.rst:234
0543 msgid "The Image Editor Hot Pixels Tool"
0544 msgstr ""
0545 
0546 #: ../../image_editor/enhancement_tools.rst:236
0547 msgid ""
0548 "At first, as explained in the previous section, you need to load a Black "
0549 "Frame corresponding to the image to correct. An automatic parsing will be "
0550 "processed on the Black Frame to find bad pixels. Note that the widget will "
0551 "remember the previous Black Frame used on the last session and it will be re-"
0552 "opened automatically with the next session."
0553 msgstr ""
0554 
0555 #: ../../image_editor/enhancement_tools.rst:238
0556 msgid ""
0557 "The image panel and the original preview help you to pan within the image. "
0558 "The preview window shows the filter output using the current settings. Bad "
0559 "Pixels are highlighted on preview area."
0560 msgstr ""
0561 
0562 #: ../../image_editor/enhancement_tools.rst:240
0563 msgid ""
0564 "Select an area to see bad pixels on preview and the filter result using "
0565 "*Separate View* options of image panel. Choose the best **Filter** method to "
0566 "interpolate pixels or pixel blocks. These are the available filters:"
0567 msgstr ""
0568 
0569 #: ../../image_editor/enhancement_tools.rst:242
0570 msgid ""
0571 "**Average**: the pixels adjacent to the pixel block are averaged. The "
0572 "resulting color is assigned to all pixels in the block. For 1-dimensional "
0573 "interpolation, this is done separately for one pixel-wide, horizontal or "
0574 "vertical stripes."
0575 msgstr ""
0576 
0577 #: ../../image_editor/enhancement_tools.rst:244
0578 msgid ""
0579 "**Linear**: the pixels which have a distance of 1 from the pixel block are "
0580 "used to calculate a bi-linear surface (2-dim), or a group of linear curves "
0581 "(1-dim), which is then used to assign interpolated colors to the pixels in "
0582 "the block."
0583 msgstr ""
0584 
0585 #: ../../image_editor/enhancement_tools.rst:246
0586 msgid ""
0587 "**Quadratic**: this is the default filtering method. The pixels which have a "
0588 "distance of 2 or less from the pixel block are used to calculate a bi-"
0589 "quadratic surface (2-dim), or a group of quadratic curves (1-dim), which is "
0590 "then used to assign interpolated colors to the pixels in the block."
0591 msgstr ""
0592 
0593 #: ../../image_editor/enhancement_tools.rst:248
0594 msgid ""
0595 "**Cubic**: the pixels which have a distance of 3 or less from the pixel "
0596 "block are used to calculate a bi-cubic surface (2-dim), or a group of cubic "
0597 "curves (1-dim), which is then used to assign interpolated colors to the "
0598 "pixels in the block."
0599 msgstr ""
0600 
0601 #: ../../image_editor/enhancement_tools.rst:253
0602 msgid "Local Contrast Tool"
0603 msgstr ""
0604 
0605 #: ../../image_editor/enhancement_tools.rst:255
0606 msgid "The Local Contrast tool render pseudo-HDR image."
0607 msgstr ""
0608 
0609 #: ../../image_editor/enhancement_tools.rst:257
0610 msgid ""
0611 "There are multiple ways to render HDR image to improve photos containing "
0612 "under or overexposed areas. With camera devices, usual tools let you merge "
0613 "multiple shots with different exposures into one perfectly exposed photo. "
0614 "This work nicely but require some limitation, as for example the necessity "
0615 "to shot static subjects. But what if you have just in case of single image, "
0616 "or with dynamic subjects? You might want to give a try to the Local Contrast "
0617 "feature. It uses a Low Dynamic Range `Tonemapping <https://en.wikipedia.org/"
0618 "wiki/Tone_mapping>`_ which is designed to improve the dynamic range of the "
0619 "photo by reducing its global contrast and increasing the local contrast. It "
0620 "does so by generating a desaturated and blurred version of the photo. It "
0621 "then combines the RGB channels of the original photo with the desaturated "
0622 "blurred image using either the Linear or Power function. Sounds complicated? "
0623 "Don’t worry, the Local Contrast tool is rather straightforward to use, so "
0624 "you don’t have to understand all its intricacies in order to achieve "
0625 "pleasing results."
0626 msgstr ""
0627 
0628 #: ../../image_editor/enhancement_tools.rst:263
0629 msgid "The Image Editor Local Contrast Tool"
0630 msgstr ""
0631 
0632 #: ../../image_editor/enhancement_tools.rst:265
0633 msgid ""
0634 "Open the photo you want in the editor and choose :menuselection:`Enhance --> "
0635 "Local Contrast`. The tool lets you apply up to four tonemapping operations "
0636 "called stages. Each **Stage** offers two parameters for you to tweak: "
0637 "**Power** and **Blur**. The former allows you to specify the desaturation "
0638 "level, while the latter lets you adjust the affected areas on the photo. To "
0639 "preview the result, hit the **Try** button. Once you are satisfied with the "
0640 "result, press **OK** to apply the process to the photo."
0641 msgstr ""
0642 
0643 #: ../../image_editor/enhancement_tools.rst:267
0644 msgid ""
0645 "While the Local Contrast tool may sound like an easy way to fix photos, you "
0646 "should use it with care: sometimes it can do more damage than good, "
0647 "producing unnaturally looking photos."
0648 msgstr ""
0649 
0650 #: ../../image_editor/enhancement_tools.rst:272
0651 msgid "Noise Reduction"
0652 msgstr ""
0653 
0654 #: ../../image_editor/enhancement_tools.rst:274
0655 msgid ""
0656 "digiKam The Noise Reduction is a powerful tool to reduce the image noise."
0657 msgstr ""
0658 
0659 #: ../../image_editor/enhancement_tools.rst:276
0660 msgid ""
0661 "This tool provides selectable image filters to remove specks or other "
0662 "artifacts caused by junk such as dust or hair on the lens. It also can be "
0663 "used to remove Sensor Noise from the camera that maybe caused by high ISO "
0664 "settings, as well as the so-called Moiré Patterns on scanned images from "
0665 "books or magazines."
0666 msgstr ""
0667 
0668 #: ../../image_editor/enhancement_tools.rst:278
0669 msgid ""
0670 "If you want more information about what's digital camera sensor noise, "
0671 "please take a look in `this tutorial <https://www.cambridgeincolour.com/"
0672 "tutorials/image-noise.htm/>`_."
0673 msgstr ""
0674 
0675 #: ../../image_editor/enhancement_tools.rst:284
0676 msgid "The Image Editor Noise Reduction Tool"
0677 msgstr ""
0678 
0679 #: ../../image_editor/enhancement_tools.rst:286
0680 msgid ""
0681 "The above screenshot shows a typical scene taken with an digital camera "
0682 "using a high sensitivity ISO setting. It shows grainy noise which can be "
0683 "reduced successfully with this tool."
0684 msgstr ""
0685 
0686 #: ../../image_editor/enhancement_tools.rst:288
0687 msgid ""
0688 "The re-sizeable image panel with the original preview helps you to pan "
0689 "within the image. Move the red rectangle around to select the area that lets "
0690 "you judge on the optimal filter settings. The preview window shows the "
0691 "filter output using the current settings. It can be rearranged in four "
0692 "different combinations as depicted in the icons below the original preview. "
0693 "This screenshot shows the first arrangement where the same cutout is shown "
0694 "for comparison. On the bottom of preview area, you can see **Zoom Factor** "
0695 "settings to magnify an area of the image."
0696 msgstr ""
0697 
0698 #: ../../image_editor/enhancement_tools.rst:290
0699 msgid "You can see below a full description of all parameters:"
0700 msgstr ""
0701 
0702 #: ../../image_editor/enhancement_tools.rst:292
0703 msgid ""
0704 "**Estimate Noise**: compute automatically all noise reduction settings by a "
0705 "parse of noise contained in image. By default it recommended to turn on this "
0706 "option and check the result. If reduction of noise is not enough efficient "
0707 "or damage the image, turn off this option, and adjust the **Luminance**, "
0708 "**Chrominance Blue**, and **Chrominance Red** settings manually."
0709 msgstr ""
0710 
0711 #: ../../image_editor/enhancement_tools.rst:294
0712 msgid ""
0713 "**Threshold**: use the slider for coarse adjustment, and the spin control "
0714 "for fine adjustment. The threshold is the value below which everything is "
0715 "considered noise. This value should be set so that edges and details are "
0716 "clearly visible and noise is smoothed out. These settings exists for the "
0717 "**Luminance**, **Chrominance Blue**, and **Chrominance Red** channels. "
0718 "Simply adjust it and watch the preview. Adjustment must be made carefully, "
0719 "because the gap between noisy, smooth, and blur is very small. Adjust it as "
0720 "carefully as you would adjust the focus of a camera."
0721 msgstr ""
0722 
0723 #: ../../image_editor/enhancement_tools.rst:296
0724 msgid ""
0725 "**Softness**: use the slider for coarse adjustment, and the spin control for "
0726 "fine adjustment. The softness adjusts the level of the thresholding (soft as "
0727 "opposed to hard thresholding). The higher the softness the more noise "
0728 "remains in the image. These settings exists for the **Luminance**, "
0729 "**Chrominance Blue**, and **Chrominance Red** channels. Simply adjust it and "
0730 "watch the preview. As for the Threshold settings, adjustment must be made "
0731 "carefully, because the gap between noisy, smooth, and blur is very small. "
0732 "Adjust it as carefully as you would adjust the focus of a camera."
0733 msgstr ""
0734 
0735 #: ../../image_editor/enhancement_tools.rst:298
0736 msgid ""
0737 "**Save As** and **Load**: these buttons are used to do just that. Any Noise "
0738 "Reduction parameters that you have set can be saved to the filesystem and "
0739 "loaded later."
0740 msgstr ""
0741 
0742 #: ../../image_editor/enhancement_tools.rst:300
0743 #: ../../image_editor/enhancement_tools.rst:510
0744 msgid "**Defaults**: this button resets all settings to default values."
0745 msgstr ""
0746 
0747 #: ../../image_editor/enhancement_tools.rst:305
0748 msgid "Blur Tool"
0749 msgstr ""
0750 
0751 #: ../../image_editor/enhancement_tools.rst:307
0752 msgid "The Blur Tool is dedicated to soft an image."
0753 msgstr ""
0754 
0755 #: ../../image_editor/enhancement_tools.rst:309
0756 msgid ""
0757 "Sometimes an image is too crisp for your purposes. The solution is to blur "
0758 "it a bit: fortunately blurring an image is much easier than sharpening it. "
0759 "Select the **Blur Tool** with the :menuselection:`Enhance --> Blur` menu "
0760 "entry and experiment with the level. The preview window on the right of the "
0761 "dialog shows the effect of the operation on your photograph."
0762 msgstr ""
0763 
0764 #: ../../image_editor/enhancement_tools.rst:315
0765 msgid "The Image Editor Blur Tool"
0766 msgstr ""
0767 
0768 #: ../../image_editor/enhancement_tools.rst:320
0769 msgid "Photograph Restoration"
0770 msgstr ""
0771 
0772 #: ../../image_editor/enhancement_tools.rst:322
0773 msgid ""
0774 "digiKam The Photograph Restoration is definitely one of the most advanced "
0775 "tools to reduce photograph artifacts."
0776 msgstr ""
0777 
0778 #: ../../image_editor/enhancement_tools.rst:324
0779 msgid ""
0780 "This fantastic restoration filter is a development providing unprecedented "
0781 "possibilities in the public domain to remove lots of unwanted stuff from "
0782 "your images. It is well adapted to deal with degraded images suffering from "
0783 "Gaussian noise, film grain, scratches or compression artifacts and local "
0784 "degradations usually encountered in digital (original or digitized) images. "
0785 "The smoothing happens along the image curvatures, thus preserving the "
0786 "meaningful content much alike our human eye would want it."
0787 msgstr ""
0788 
0789 #: ../../image_editor/enhancement_tools.rst:330
0790 msgid "The Image Editor Restoration Tool"
0791 msgstr ""
0792 
0793 #: ../../image_editor/enhancement_tools.rst:332
0794 msgid ""
0795 "The tool comes with several presets as starting points and to simplify the "
0796 "restoration. The preset settings available are listed below:"
0797 msgstr ""
0798 
0799 #: ../../image_editor/enhancement_tools.rst:334
0800 msgid ""
0801 "**None**: Using most common default filter settings not optimized for any "
0802 "particular purpose."
0803 msgstr ""
0804 
0805 #: ../../image_editor/enhancement_tools.rst:336
0806 msgid ""
0807 "**Reduce Uniform Noise**: Optimum settings for image noise due to sensors."
0808 msgstr ""
0809 
0810 #: ../../image_editor/enhancement_tools.rst:338
0811 msgid ""
0812 "**Reduce JPEG Artifacts**: JPEG's compression is not perfect, in fact for "
0813 "some types of images it is far from it. As a lossy compression algorithm, "
0814 "there are some compression \"artifacts\" - slight defaults showing in the "
0815 "decompressed image. This setting aims at correcting this problem."
0816 msgstr ""
0817 
0818 #: ../../image_editor/enhancement_tools.rst:340
0819 msgid ""
0820 "**Reduce Texturing**: Optimized to remove artifacts from scanning, "
0821 "digitizing or Moire patterns."
0822 msgstr ""
0823 
0824 #: ../../image_editor/enhancement_tools.rst:342
0825 msgid ""
0826 "If you want to set filter parameters for finer adjustments, use **General** "
0827 "and **Advanced Settings** tabs:"
0828 msgstr ""
0829 
0830 #: ../../image_editor/enhancement_tools.rst:348
0831 msgid "The Image Editor Restoration Tool Preset Settings"
0832 msgstr ""
0833 
0834 #: ../../image_editor/enhancement_tools.rst:350
0835 msgid ""
0836 "**Detail Preservation** p [0, 100]: this controls the preservation of the "
0837 "curvatures (features). A low value forces an equal smoothing across the "
0838 "image, whereas bigger values preferably smooth the homogeneous regions and "
0839 "leaves the details sharper. A value of 0.9 should well preserve details so "
0840 "that no sharpening is required afterwards. Note that **Detail Preservation** "
0841 "must be always inferior to **Anisotropy**."
0842 msgstr ""
0843 
0844 #: ../../image_editor/enhancement_tools.rst:352
0845 msgid ""
0846 "**Anisotropy alpha** [0, 100]: a low value smooths equally in all "
0847 "directions, whereas a value close to 1 smooths in one direction only. If you "
0848 "have film grain or CCD kind of noise a high value will result in wave-like "
0849 "pattern, whereas JPEG artifacts are suited for values close to 1."
0850 msgstr ""
0851 
0852 #: ../../image_editor/enhancement_tools.rst:354
0853 msgid ""
0854 "**Smoothing** [0, 500]: this sets the maximum overall smoothing factor (when "
0855 "p defines the relative smoothing). Set it according to the noise level."
0856 msgstr ""
0857 
0858 #: ../../image_editor/enhancement_tools.rst:356
0859 msgid ""
0860 "**Regularity** [0, 100]: this parameter is concerned with the uniformity of "
0861 "the smoothing. Imagine the smoothing process as a combing of the image. Then "
0862 "the Regularity would correspond to the size of the comb. The bigger this "
0863 "value, the more even the overall smoothing will be. This is necessary when "
0864 "much noise is present since it is then difficult to estimate the local "
0865 "geometry. Also if you want to achieve a 'van Gogh' turbulence effect, "
0866 "setting it higher than 3 is recommended."
0867 msgstr ""
0868 
0869 #: ../../image_editor/enhancement_tools.rst:358
0870 msgid ""
0871 "**Filter Iterations**: number of times the blurring algorithm is applied. "
0872 "Usually 1 or 2 is sufficient."
0873 msgstr ""
0874 
0875 #: ../../image_editor/enhancement_tools.rst:364
0876 msgid "The Image Editor Restoration Tool Advanced Settings"
0877 msgstr ""
0878 
0879 #: ../../image_editor/enhancement_tools.rst:366
0880 msgid ""
0881 "**Angular Step** da [5, 90]: angular integration of the anisotropy alpha. If "
0882 "alpha is chosen small, da should also be chosen small. But beware, small "
0883 "angles result in long runs! Choose it as large as you can accept."
0884 msgstr ""
0885 
0886 #: ../../image_editor/enhancement_tools.rst:368
0887 msgid ""
0888 "**Integral Step** [0.1, 10]: spatial integration step width in terms of "
0889 "pixels. Should remain less than 1 (sub-pixel smoothing) and never be higher "
0890 "than 2."
0891 msgstr ""
0892 
0893 #: ../../image_editor/enhancement_tools.rst:370
0894 msgid ""
0895 "**Use Linear Interpolation**: The gain in quality if you select this option "
0896 "is only marginal and you lose a factor of 2 in speed. Our recommendation is "
0897 "to leave it off."
0898 msgstr ""
0899 
0900 #: ../../image_editor/enhancement_tools.rst:372
0901 msgid ""
0902 "**Save As** and **Load** buttons are used to do just that. Any Photograph "
0903 "Restoration filter settings that you have set can be saved to the filesystem "
0904 "in a text file and loaded later."
0905 msgstr ""
0906 
0907 #: ../../image_editor/enhancement_tools.rst:376
0908 msgid ""
0909 "Photograph restoration is (comparatively) very fast in what it is doing, but "
0910 "it can take a long time to run and cause high CPU load. You may always abort "
0911 "computation by pressing **Abort** button during preview rendering."
0912 msgstr ""
0913 
0914 #: ../../image_editor/enhancement_tools.rst:381
0915 msgid "Remove Red Eyes"
0916 msgstr ""
0917 
0918 #: ../../image_editor/enhancement_tools.rst:383
0919 msgid ""
0920 "Red eyes are caused when the camera flashlight is used to take photographs "
0921 "of people. The red is the reflection from the back of the eye which can be "
0922 "seen because the pupil cannot react quickly enough to the flash. By the way, "
0923 "with a separate flash light the red eye effect is less likely because of the "
0924 "different viewing angle of flash and lens. You can correct some of the worst "
0925 "effect of Red Eye by selecting the area of the eye on the photograph, in the "
0926 "same way as described for cropping above. Then select :menuselection:"
0927 "`Enhance --> Red Eye Reduction`."
0928 msgstr ""
0929 
0930 #: ../../image_editor/enhancement_tools.rst:385
0931 msgid "How it works"
0932 msgstr ""
0933 
0934 #: ../../image_editor/enhancement_tools.rst:387
0935 msgid ""
0936 "Set the preview mode to your liking. Adjust region of image to the eyes of "
0937 "face to fix."
0938 msgstr ""
0939 
0940 #: ../../image_editor/enhancement_tools.rst:389
0941 msgid ""
0942 "A neural network engine parse the image contents to localize automatically "
0943 "eyes and the red pupils."
0944 msgstr ""
0945 
0946 #: ../../image_editor/enhancement_tools.rst:391
0947 msgid ""
0948 "The **Red Level** setting adjusts the amount of red eyes removal, in "
0949 "aggressive mode or not."
0950 msgstr ""
0951 
0952 #: ../../image_editor/enhancement_tools.rst:397
0953 msgid "The Image Editor Red Eyes Removal"
0954 msgstr ""
0955 
0956 #: ../../image_editor/enhancement_tools.rst:402
0957 msgid "Image Sharpening"
0958 msgstr ""
0959 
0960 #: ../../image_editor/enhancement_tools.rst:407
0961 msgid ""
0962 "digiKam provides three different tools for sharpening, with each having "
0963 "merits in a different area."
0964 msgstr ""
0965 
0966 #: ../../image_editor/enhancement_tools.rst:409
0967 msgid ""
0968 "**Simple Sharp** is a traditional sharpening tool, which is very fast and "
0969 "easy, but may quickly produce grainy images, in particular in dark areas."
0970 msgstr ""
0971 
0972 #: ../../image_editor/enhancement_tools.rst:411
0973 msgid ""
0974 "**Unsharp Mask** works on the edge contrast to make an image appear sharper, "
0975 "but it actually does not sharpen at all, it works rather psychovisually. It "
0976 "can be used to remove atmospheric haze, and here it does a real good job. "
0977 "The algorithm was taken from the Gimp, and it is copyrighted by Winston "
0978 "Chang."
0979 msgstr ""
0980 
0981 #: ../../image_editor/enhancement_tools.rst:413
0982 msgid ""
0983 "**Refocus** is probably the best of the three because it actually improves "
0984 "sharpness. It is a bit more involved in its application as is has several "
0985 "parameters to play with."
0986 msgstr ""
0987 
0988 #: ../../image_editor/enhancement_tools.rst:415
0989 msgid ""
0990 "Out-of-focus photographs, as well as most digitized images, need correction "
0991 "of sharpness. This is due to the digitizing process that must chop up a "
0992 "color continuum in points with slightly different colors: elements thinner "
0993 "than sampling frequency will be averaged into an uniform color. Thus, sharp "
0994 "borders are rendered a little blurred. The same phenomenon appears when "
0995 "printing color dots on paper. SLR cameras need even more sharpening on a "
0996 "regular basis than consumer cameras."
0997 msgstr ""
0998 
0999 #: ../../image_editor/enhancement_tools.rst:417
1000 msgid ""
1001 "Whereas JPEG images have some camera-internal sharpening applied, RAW format "
1002 "images always need sharpening in their workflow."
1003 msgstr ""
1004 
1005 #: ../../image_editor/enhancement_tools.rst:419
1006 msgid ""
1007 "Some scanners apply a sharpen filter while scanning. It's worth to disable "
1008 "it so that you keep control over your image."
1009 msgstr ""
1010 
1011 #: ../../image_editor/enhancement_tools.rst:422
1012 msgid "Adjusting Sharpness"
1013 msgstr ""
1014 
1015 #: ../../image_editor/enhancement_tools.rst:424
1016 msgid ""
1017 "If the camera focus is not set perfectly or if the camera is moving when the "
1018 "image is taken the result is a blurred photograph. If there is a lot of "
1019 "blurring, you probably will not be able to do much about it with any "
1020 "technique. If there is only a moderate amount, you should be able to improve "
1021 "the image. Many good SLR cameras apply less image processing to the images "
1022 "than simpler cameras (which tend to artificially increase the contrast to "
1023 "make the images look crisp). This kind of slight blur can be easily improved "
1024 "with tools."
1025 msgstr ""
1026 
1027 #: ../../image_editor/enhancement_tools.rst:426
1028 msgid ""
1029 "In some situations, you may be able to get useful results by sharpening an "
1030 "photograph using the Sharpen tool by the :menuselection:`Enhance --> "
1031 "Sharpen` menu entry and the **Sharpen** option from **Method** setting."
1032 msgstr ""
1033 
1034 #: ../../image_editor/enhancement_tools.rst:432
1035 msgid "The Image Editor Sharpen Tool"
1036 msgstr ""
1037 
1038 #: ../../image_editor/enhancement_tools.rst:434
1039 msgid ""
1040 "You should be careful with this though, or the results will not look very "
1041 "natural: sharpening increases the apparent sharpness of edges in the "
1042 "photograph, but also amplifies noise. Generally, the most useful technique "
1043 "for sharpening a fuzzy photograph is the Refocus tool. You can access it "
1044 "with the **Refocus** option from **Method** setting. Look at Refocus for "
1045 "more information and a comparison of all the sharpening techniques."
1046 msgstr ""
1047 
1048 #: ../../image_editor/enhancement_tools.rst:437
1049 msgid "Reducing Graininess In a Photograph"
1050 msgstr ""
1051 
1052 #: ../../image_editor/enhancement_tools.rst:439
1053 msgid ""
1054 "When you take a photograph in low-light conditions or with a very fast "
1055 "exposure time, the camera does not get enough data to make good estimates of "
1056 "the true color at each pixel, and consequently the resulting photograph "
1057 "looks grainy. You can \"smooth out\" the graininess by blurring the image, "
1058 "but then you will also lose sharpness. Probably the best approach - if the "
1059 "graininess is not too bad - is to use the filter **Noise Reduction** tool, "
1060 "and you can access it by the :menuselection:`Enhance --> Noise Reduction` "
1061 "menu entry."
1062 msgstr ""
1063 
1064 #: ../../image_editor/enhancement_tools.rst:442
1065 msgid "Softening a Photograph"
1066 msgstr ""
1067 
1068 #: ../../image_editor/enhancement_tools.rst:444
1069 msgid ""
1070 "Sometimes you have the opposite problem: an image is too crisp. The solution "
1071 "is to blur it a bit: fortunately blurring an image is much easier than "
1072 "sharpening it. Select the **Blur Tool** with the :menuselection:`Enhance --> "
1073 "Blur` menu entry and experiment with the level. The preview window on the "
1074 "right of the dialog shows the effect of the operation on your photograph."
1075 msgstr ""
1076 
1077 #: ../../image_editor/enhancement_tools.rst:447
1078 msgid "The Unsharp Mask Filter"
1079 msgstr ""
1080 
1081 #: ../../image_editor/enhancement_tools.rst:451
1082 msgid ""
1083 "The **Unsharp Mask** filter is an excellent tool to remove haze from your "
1084 "photographs."
1085 msgstr ""
1086 
1087 #: ../../image_editor/enhancement_tools.rst:457
1088 msgid "The Image Editor Unsharpen Mask Tool"
1089 msgstr ""
1090 
1091 #: ../../image_editor/enhancement_tools.rst:459
1092 #: ../../image_editor/enhancement_tools.rst:484
1093 msgid ""
1094 "The image panel and the original preview help you to pan within the image. "
1095 "The preview window shows the filter output using the current settings."
1096 msgstr ""
1097 
1098 #: ../../image_editor/enhancement_tools.rst:461
1099 msgid ""
1100 "There are two important parameters, **Radius** and **Amount**. The default "
1101 "values often work pretty well, so you should try them first. Increasing "
1102 "either the **Radius** or the **Amount** increases the strength of the "
1103 "effect. Don't get carried away, though: if you make the unsharp mask too "
1104 "strong, it will amplify noise in the image and create the impressions of "
1105 "ridges next to sharp edges."
1106 msgstr ""
1107 
1108 #: ../../image_editor/enhancement_tools.rst:463
1109 msgid ""
1110 "The **Radius** allows you to set how many pixels on either side of an edge "
1111 "that will be affected by sharpening. High resolution images allow higher "
1112 "radius. You'd better always sharpen an image at its final resolution."
1113 msgstr ""
1114 
1115 #: ../../image_editor/enhancement_tools.rst:465
1116 msgid ""
1117 "The **Amount** control is the percentage of the difference between the "
1118 "original and the blur image that is added back into the original. It allows "
1119 "you to set strength of sharpening."
1120 msgstr ""
1121 
1122 #: ../../image_editor/enhancement_tools.rst:467
1123 msgid ""
1124 "The **Threshold** control is a fraction of the maximum RGB value, needed to "
1125 "apply the difference amount. It allows you to set the minimum difference in "
1126 "pixel values that indicates an edge where sharpening should be applied. That "
1127 "way, you can protect areas of smooth tonal transition from sharpening, and "
1128 "avoid creation of blemishes in face, sky or water surface."
1129 msgstr ""
1130 
1131 #: ../../image_editor/enhancement_tools.rst:470
1132 msgid "Refocus a Photograph"
1133 msgstr ""
1134 
1135 #: ../../image_editor/enhancement_tools.rst:472
1136 msgid ""
1137 "The Refocus is a tool to refocus an image by enhancing the sharpness. It "
1138 "uses the deconvolution Filter algorithm."
1139 msgstr ""
1140 
1141 #: ../../image_editor/enhancement_tools.rst:474
1142 msgid ""
1143 "This tool attempts to \"refocus\" an image by undoing the defocussing. This "
1144 "is better than just trying to sharpen a photograph. It is employing a "
1145 "technique called FIR Wiener Filtering. The traditional technique for "
1146 "sharpening images is to use unsharp masking. Refocus generally produces "
1147 "better results than Unsharp masking. Start it from the :menuselection:"
1148 "`Enhance --> Sharpen` menu entry and **Refocus** option."
1149 msgstr ""
1150 
1151 #: ../../image_editor/enhancement_tools.rst:476
1152 msgid ""
1153 "The Refocus technique works differently from **Unsharp Mask** and is also "
1154 "unlike the **Sharpen** Filter which both increase the contrast of the edges "
1155 "of an image. Refocus rather reverses the process by which the image got "
1156 "blurred by the circular aperture of the camera. This method gives you as "
1157 "much of the original \"in focus\" image as possible. Refocus uses a very "
1158 "powerful deconvolution algorithm that will reclaim the data that has been "
1159 "mixed up. In mathematical terms, blurring is usually the result of a "
1160 "convolution, a deconvolution will reverse the process, this is exactly what "
1161 "Refocus is doing. Furthermore, the FIR filter technique allows to remove "
1162 "much of the noise and granularity that often gets accentuated in the "
1163 "sharpening process of all sharpening filters."
1164 msgstr ""
1165 
1166 #: ../../image_editor/enhancement_tools.rst:482
1167 msgid "The Image Editor Refocus Tool"
1168 msgstr ""
1169 
1170 #: ../../image_editor/enhancement_tools.rst:486
1171 msgid ""
1172 "In most cases (blurring by camera) a circular convolution caused the image "
1173 "degradation, but there are two convolutions available:"
1174 msgstr ""
1175 
1176 #: ../../image_editor/enhancement_tools.rst:488
1177 msgid ""
1178 "The **Circular convolution**: this one spreads each source point uniformly "
1179 "across a small disk with a fixed radius. Technically this describes the "
1180 "effects of using a (ideal) lens that is not correctly focused."
1181 msgstr ""
1182 
1183 #: ../../image_editor/enhancement_tools.rst:490
1184 msgid ""
1185 "The **Gaussian convolution**: this one is mathematically similar to the "
1186 "normal distribution, with its bell-shaped curve. Originates rather from "
1187 "unnatural blurring (software blurring). From a theoretical point of view the "
1188 "mathematical justification for using the Gaussian convolution is that when "
1189 "you a apply a large number of independent random convolutions the results "
1190 "will always approach a Gaussian convolution."
1191 msgstr ""
1192 
1193 #: ../../image_editor/enhancement_tools.rst:492
1194 msgid ""
1195 "The refocus tool supports both the Circular and the Gaussian convolution "
1196 "plus mixtures of both."
1197 msgstr ""
1198 
1199 #: ../../image_editor/enhancement_tools.rst:494
1200 msgid ""
1201 "In practice, in most cases the Circular convolution works much better than "
1202 "the Gaussian convolution. The Gaussian convolution has a very long tail, so "
1203 "mathematically the result of the convolution also depends on source pixels "
1204 "at a large distance from the original source pixel. The FIR Wiener inverse "
1205 "of a Gaussian convolution in most cases is heavily influenced by source "
1206 "pixels at a large distances, and in most cases this produces undesirable "
1207 "results."
1208 msgstr ""
1209 
1210 #: ../../image_editor/enhancement_tools.rst:496
1211 msgid ""
1212 "To set correctly the deconvolution filter, the plug-in has the following "
1213 "parameters:"
1214 msgstr ""
1215 
1216 #: ../../image_editor/enhancement_tools.rst:498
1217 msgid ""
1218 "**Circular Sharpness**: This is the radius of the Circular convolution "
1219 "filter. It is the most important parameter for using the plug-in. With most "
1220 "images the default value of 1 should give good results. Select a higher "
1221 "value when your image is very blurred, but beware of producing halos."
1222 msgstr ""
1223 
1224 #: ../../image_editor/enhancement_tools.rst:500
1225 msgid ""
1226 "**Correlation**: Increasing the Correlation may help reducing artifacts. The "
1227 "correlation can range from 0-1. Useful values are 0.5 and values close to 1, "
1228 "e.g. 0.95 and 0.99. Using a high value for the correlation will reduce the "
1229 "sharpening effect of the plug-in."
1230 msgstr ""
1231 
1232 #: ../../image_editor/enhancement_tools.rst:502
1233 msgid ""
1234 "**Noise filter**: Increasing the Noise filter parameter helps reducing "
1235 "artifacts. The Noise can range from 0-1 but values higher than 0.1 are "
1236 "rarely helpful. When the Noise value is too low, e.g. 0 the image quality "
1237 "will be horrible. A useful value is 0.03. Using a high value for the Noise "
1238 "will even blur the image further."
1239 msgstr ""
1240 
1241 #: ../../image_editor/enhancement_tools.rst:504
1242 msgid ""
1243 "**Gaussian Sharpness**: This is the radius for the Gaussian convolution "
1244 "filter. Use this parameter when your blurring is Gaussian (mostly due to "
1245 "previous blur filtering). In most cases you should leave this parameter to "
1246 "0, because it causes nasty artifacts. When you use non-zero values you will "
1247 "probably have to increase the Correlation and/or Noise filter parameters, "
1248 "too."
1249 msgstr ""
1250 
1251 #: ../../image_editor/enhancement_tools.rst:506
1252 msgid ""
1253 "**Matrix size**: This parameter determines the size of the transformation "
1254 "matrix. Increasing the Matrix Size may give better results, especially when "
1255 "you have chosen large values for Circular Sharpness or Gaussian Sharpness. "
1256 "Note that the plug-in will become very slow when you select large values for "
1257 "this parameter. In most cases you should select a value in the range 3-10."
1258 msgstr ""
1259 
1260 #: ../../image_editor/enhancement_tools.rst:508
1261 msgid ""
1262 "**Save As** and **Load**: these buttons are used to do just that. Any "
1263 "Refocus parameters that you have set can be saved to the filesystem and "
1264 "loaded later."
1265 msgstr ""
1266 
1267 #: ../../image_editor/enhancement_tools.rst:512
1268 msgid "Below, you can see few hints to help you work with the refocus tool:"
1269 msgstr ""
1270 
1271 #: ../../image_editor/enhancement_tools.rst:514
1272 msgid ""
1273 "Preferably perform all cropping, color and intensity curve corrections on "
1274 "the image before using this plug-in."
1275 msgstr ""
1276 
1277 #: ../../image_editor/enhancement_tools.rst:516
1278 msgid ""
1279 "Otherwise use this plug-in before performing any other operations on the "
1280 "image. The reason is that many operations on the image will leave boundaries "
1281 "that are not immediately visible but that will leave nasty artifacts."
1282 msgstr ""
1283 
1284 #: ../../image_editor/enhancement_tools.rst:518
1285 msgid ""
1286 "When you are scanning images and compress them, e.g. to JPEG, you should use "
1287 "the plug-in on the uncompressed image."
1288 msgstr ""
1289 
1290 #: ../../image_editor/enhancement_tools.rst:521
1291 msgid "Refocus Comparison with Other Techniques"
1292 msgstr ""
1293 
1294 #: ../../image_editor/enhancement_tools.rst:523
1295 msgid ""
1296 "Comparison to two other techniques frequently used to enhance images are:"
1297 msgstr ""
1298 
1299 #: ../../image_editor/enhancement_tools.rst:525
1300 msgid "**Simple Sharp** Filter."
1301 msgstr ""
1302 
1303 #: ../../image_editor/enhancement_tools.rst:526
1304 msgid "**Unsharp Mask**."
1305 msgstr ""
1306 
1307 #: ../../image_editor/enhancement_tools.rst:528
1308 msgid ""
1309 "Sharpening applies a small convolution matrix that increases the difference "
1310 "between a source pixel and its immediate neighbors. FIR Wiener filtering is "
1311 "a more general technique because it allows a much larger neighborhood and "
1312 "better parameterizations. Sharpening only works when your images are very "
1313 "slightly blurred. Furthermore, for high values of the sharpening parameter "
1314 "the results frequently looks \"noisy\". With FIR Wiener filtering this noise "
1315 "can be greatly reduced by selecting higher values for the **Correlation** "
1316 "and **Noise filter** parameters."
1317 msgstr ""
1318 
1319 #: ../../image_editor/enhancement_tools.rst:530
1320 msgid ""
1321 "Unsharp masking is another very popular image enhancement technique. From a "
1322 "mathematical point of view its justification is a bit obscure but many "
1323 "people are very fond of it. The first step is to create a blurred copy of "
1324 "the source image. Then the difference between the source image and the "
1325 "blurred image is subtracted from the source image, hence the name unsharp "
1326 "masking. If fact, unsharp masking is more of a contrast enhancement on the "
1327 "important image feature than a sharpening. It does not undo the aperture "
1328 "pattern interference of the camera diaphragm as refocus does."
1329 msgstr ""
1330 
1331 #: ../../image_editor/enhancement_tools.rst:532
1332 msgid ""
1333 "In general, unsharp masking produces better results than sharpening. This is "
1334 "probably caused by the fact that unsharp masking uses a larger neighborhood "
1335 "than sharpening."
1336 msgstr ""
1337 
1338 #: ../../image_editor/enhancement_tools.rst:534
1339 msgid ""
1340 "From a theoretical point of view unsharp masking must always introduce "
1341 "artifacts. Even under optimal circumstances it can never completely undo the "
1342 "effect of blurring. For Wiener filtering it is possible to prove that it is "
1343 "the optimal linear filter. In practice, in all cases the results of the FIR "
1344 "Wiener filter were at least as good as those of unsharp masking. The FIR "
1345 "Wiener filter is frequently better in restoring small details."
1346 msgstr ""
1347 
1348 #: ../../image_editor/enhancement_tools.rst:536
1349 msgid ""
1350 "Below, you can see a comparison of different filter apply on a small "
1351 "unfocused image:"
1352 msgstr ""
1353 
1354 #: ../../image_editor/enhancement_tools.rst:543
1355 msgid ""
1356 "Original blurred color image to fix. This image have been taken with an "
1357 "analog still camera. The unfocusing result of an insufficient light for the "
1358 "auto-focus lens."
1359 msgstr ""
1360 
1361 #: ../../image_editor/enhancement_tools.rst:552
1362 msgid "Fixed image using simple sharpening filter. Sharpness setting is 80."
1363 msgstr ""
1364 
1365 #: ../../image_editor/enhancement_tools.rst:560
1366 msgid ""
1367 "Fixed image using unsharp mask filter. Settings are: Radius=50, Amount = 5, "
1368 "and Threshold=0."
1369 msgstr ""
1370 
1371 #: ../../image_editor/enhancement_tools.rst:568
1372 msgid ""
1373 "Fixed image using Refocus filter. Settings are: Circular Sharpness=1.3, "
1374 "Correlation=0.5, Noise Filter=0.020, Gaussian Sharpness=0 and Matrix Size=5."
1375 msgstr ""
1376 
1377 #: ../../image_editor/enhancement_tools.rst:574
1378 msgid ""
1379 "For more information about correction of sharpness methods used in digital "
1380 "imagery, you can find a technical comparison at `this url <http://www.optarc."
1381 "co.uk/bialith//Research/BARclockblur.htm>`_."
1382 msgstr ""
1383 
1384 #: ../../image_editor/enhancement_tools.rst:579
1385 msgid "Healing Clone Tool"
1386 msgstr ""
1387 
1388 #: ../../image_editor/enhancement_tools.rst:581
1389 msgid ""
1390 "The healing tool aims to copy pixel colors from a specific portion of the "
1391 "image, and paste them in another portion of the image using a brush, then "
1392 "apply smoothing. This helps fix artifacts in images, like unwanted spots on "
1393 "someone’s face that can be replaced with more clear skin from a close region "
1394 "of face."
1395 msgstr ""
1396 
1397 #: ../../image_editor/enhancement_tools.rst:583
1398 msgid ""
1399 "The tool settings view on the right side provide a toolbar with 5 buttons. "
1400 "From left to right:"
1401 msgstr ""
1402 
1403 #: ../../image_editor/enhancement_tools.rst:585
1404 msgid "Select Source Point."
1405 msgstr ""
1406 
1407 #: ../../image_editor/enhancement_tools.rst:586
1408 msgid "Polygon Selection With Lasso."
1409 msgstr ""
1410 
1411 #: ../../image_editor/enhancement_tools.rst:587
1412 msgid "Move Image."
1413 msgstr ""
1414 
1415 #: ../../image_editor/enhancement_tools.rst:588
1416 msgid "Undo clone operation."
1417 msgstr ""
1418 
1419 #: ../../image_editor/enhancement_tools.rst:589
1420 msgid "Redo clone operation."
1421 msgstr ""
1422 
1423 #: ../../image_editor/enhancement_tools.rst:591
1424 msgid ""
1425 "Below the toolbar, two sliders allows to tune the clone tool properties. "
1426 "First one select the **Brush Radius** to adjust the size of cloned area from "
1427 "the canvas. A radius of 0 has no effect, 1 and above determine the brush "
1428 "radius configuring the size of parts copied in the image."
1429 msgstr ""
1430 
1431 #: ../../image_editor/enhancement_tools.rst:593
1432 msgid ""
1433 "Second one is the amount of **Radius Blur** effect in percent applied on "
1434 "data cloned over the canvas. A percent of 0 has no effect, values above 0 "
1435 "represent a factor for mixing the destination color with source color this "
1436 "is done radially i.e. the inner part of the brush radius is totally from "
1437 "source and mixing with destination is done gradually till the outer part of "
1438 "the circle."
1439 msgstr ""
1440 
1441 #: ../../image_editor/enhancement_tools.rst:599
1442 msgid "The Image Editor Healing Clone Tool to Remove Unwanted Artifacts"
1443 msgstr ""
1444 
1445 #: ../../image_editor/enhancement_tools.rst:601
1446 msgid ""
1447 "To select the source of image to clone, press **S**, or the **Source "
1448 "selection** button from the toolbar on the top of settings view. The cursor "
1449 "will change to aim-shape, to let you decide the central source button where "
1450 "you will start cloning from."
1451 msgstr ""
1452 
1453 #: ../../image_editor/enhancement_tools.rst:608
1454 msgid ""
1455 "Screencast of Image Editor Healing Clone Fixing an Artifact with Spot Tool"
1456 msgstr ""
1457 
1458 #: ../../image_editor/enhancement_tools.rst:610
1459 msgid ""
1460 "The tool provide also a **Lasso** and **Polygon** selector for the healing "
1461 "clone operations. You can either press :kbd:`L` or the **Lasso selector** "
1462 "button from the toolbar on the top of settings view. The cursor will change "
1463 "to a pen shape, and you can select discrete points as you like. The polygon "
1464 "edges will be drawn, you just need to press and move your mouse to complete "
1465 "the selection form. You don’t have to draw all the region in one time. The "
1466 "polygon will close on itself if you press :kbd:`L` again."
1467 msgstr ""
1468 
1469 #: ../../image_editor/enhancement_tools.rst:612
1470 msgid ""
1471 "Now only cloning inside the selected region will happens, cloning outside "
1472 "will be ignored, unless you press :kbd:`L` again or :kbd:`Esc` to deactivate "
1473 "the lasso mode. Once you do that, you can clone anywhere in the screen as "
1474 "usual. Also pressing :kbd:`Esc` while in the process of drawing the lasso "
1475 "polygon will cancel the lasso operation. Here is a screenshot of a lasso "
1476 "polygon selection, and a large portion of the image cloned inside this lasso "
1477 "portion. Of course pressing :kbd:`L` or :kbd:`Esc` again will remove the "
1478 "lasso boundary, keeping the cloned pixels in place, as expected."
1479 msgstr ""
1480 
1481 #: ../../image_editor/enhancement_tools.rst:619
1482 msgid "Screencast of Image Editor Healing Clone Fixing an Area Using Lasso"
1483 msgstr ""
1484 
1485 #: ../../image_editor/enhancement_tools.rst:621
1486 msgid ""
1487 "You can undo and redo using toolbar buttons from the toolbar on the top of "
1488 "settings view. Two keyboard shortcuts are assigned to the tool: :kbd:`Ctrl"
1489 "+Z` for undo and :kbd:`Ctrl+Shift+Z` for redo. You can undo and redo without "
1490 "limitation."
1491 msgstr ""
1492 
1493 #: ../../image_editor/enhancement_tools.rst:626
1494 msgid "G'MIC-Qt Tool"
1495 msgstr ""
1496 
1497 #: ../../image_editor/enhancement_tools.rst:628
1498 msgid ""
1499 "G'MIC-Qt is 3rd-party image editing tool provided as a plug-in. It is named "
1500 "**G'MIC** for **GREYC’s Magic for Image Computing**, `an open-source image "
1501 "processing framework <https://gmic.eu/>`_. The full list of G'MIC features "
1502 "is long and cannot be detailed here as it comes with over than 500 "
1503 "interesting functions to explore. It comes with filters for changing colors, "
1504 "creating patterns, adding artistic touches, repairing inconsistencies in "
1505 "pictures, rendering shapes, and much more. The plugin is highly "
1506 "customizable, with the ability to set favorites and even add your own "
1507 "filters."
1508 msgstr ""
1509 
1510 #: ../../image_editor/enhancement_tools.rst:630
1511 msgid ""
1512 "G'MIC-Qt is not included in the digiKam source code. Rather, it is a 3rd-"
1513 "party plugin included in binary distributions of digiKam, as the Windows, "
1514 "macOS, and Linux bundles. It can be started from the :menuselection:`Enhance "
1515 "--> G'MIC-Qt` menu entry or uses the icons from Tools in Right sidebar. "
1516 "G’MIC-Qt can be used as you do with other filters, the main difference is "
1517 "that instead of opening a specific filter tab on right sidebar, it opens up "
1518 "a window where you can pick through any of the pre-defined filters."
1519 msgstr ""
1520 
1521 #: ../../image_editor/enhancement_tools.rst:636
1522 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Bokeh Filter"
1523 msgstr ""
1524 
1525 #: ../../image_editor/enhancement_tools.rst:638
1526 msgid "The categories of **Available filters** in the list are listed below:"
1527 msgstr ""
1528 
1529 #: ../../image_editor/enhancement_tools.rst:640
1530 msgid ""
1531 "**About**: these entries are not filters, but just show different "
1532 "information about G'MIC-Qt on the settings view. The **About/Download "
1533 "External Data** entry allows to load new filter definitions via internet."
1534 msgstr ""
1535 
1536 #: ../../image_editor/enhancement_tools.rst:642
1537 msgid ""
1538 "**Array and tiles**: this filter collection allows transforming photos as "
1539 "toys, puzzles, maps, and decorative shapes."
1540 msgstr ""
1541 
1542 #: ../../image_editor/enhancement_tools.rst:648
1543 msgid ""
1544 "The Image Editor G'MIC-Qt Tool Running the Array-and-Tiles/Puzzle Filter"
1545 msgstr ""
1546 
1547 #: ../../image_editor/enhancement_tools.rst:650
1548 msgid ""
1549 "**Artistic**: this filter collection applies great traditional effects that "
1550 "seek to transform a photograph into a drawing or painting."
1551 msgstr ""
1552 
1553 #: ../../image_editor/enhancement_tools.rst:656
1554 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Rodilius Filter"
1555 msgstr ""
1556 
1557 #: ../../image_editor/enhancement_tools.rst:658
1558 msgid ""
1559 "**Black and White**: this filter collection is dedicated to processing "
1560 "images in gray-scale style, as usual to convert, process the invert to "
1561 "colorize, reduce the map, or simulate fusain drawing."
1562 msgstr ""
1563 
1564 #: ../../image_editor/enhancement_tools.rst:664
1565 msgid ""
1566 "The Image Editor G'MIC-Qt Tool Running the Black-and-White/Colorize Filter"
1567 msgstr ""
1568 
1569 #: ../../image_editor/enhancement_tools.rst:666
1570 msgid ""
1571 "**Colors**: this filter collection allows the user to define transformation "
1572 "functions operating in different color-spaces, apply LUTs, mix/adjust "
1573 "channels or correct tones by content analysis."
1574 msgstr ""
1575 
1576 #: ../../image_editor/enhancement_tools.rst:672
1577 msgid "The Image Editor G'MIC-Qt Tool Running the Colors/Mixer-Lab Filter"
1578 msgstr ""
1579 
1580 #: ../../image_editor/enhancement_tools.rst:674
1581 msgid ""
1582 "**Contours**: this filter collection applies the pixel's neighborhood local "
1583 "transformations over the whole photo."
1584 msgstr ""
1585 
1586 #: ../../image_editor/enhancement_tools.rst:680
1587 msgid "The Image Editor G'MIC-Qt Tool Running the Contours/Super-Pixels Filter"
1588 msgstr ""
1589 
1590 #: ../../image_editor/enhancement_tools.rst:682
1591 msgid ""
1592 "**Deformations**: this filter collection applies physical distortions to the "
1593 "photo."
1594 msgstr ""
1595 
1596 #: ../../image_editor/enhancement_tools.rst:688
1597 msgid ""
1598 "The Image Editor G'MIC-Qt Tool Running the Deformations/Drop Water Filter"
1599 msgstr ""
1600 
1601 #: ../../image_editor/enhancement_tools.rst:690
1602 msgid ""
1603 "**Degradations**: this filter collection reproduces photographic alterations "
1604 "such as blur, noise, grain, and lens aberrations."
1605 msgstr ""
1606 
1607 #: ../../image_editor/enhancement_tools.rst:696
1608 msgid ""
1609 "The Image Editor G'MIC-Qt Tool Running the Degradations/Chromatic-"
1610 "Aberrations Filter"
1611 msgstr ""
1612 
1613 #: ../../image_editor/enhancement_tools.rst:698
1614 msgid ""
1615 "**Details**: this filter collection enhances the details in your photos with "
1616 "an armada of multi-scale enhancement algorithms to bring out details and "
1617 "colors of different sizes in photos."
1618 msgstr ""
1619 
1620 #: ../../image_editor/enhancement_tools.rst:704
1621 msgid "The Image Editor G'MIC-Qt Tool Running the Details/Mighty Filter"
1622 msgstr ""
1623 
1624 #: ../../image_editor/enhancement_tools.rst:706
1625 msgid ""
1626 "**Frames**: one other artistic filter collection dedicated to decorating "
1627 "your photo with ornaments."
1628 msgstr ""
1629 
1630 #: ../../image_editor/enhancement_tools.rst:712
1631 msgid "The Image Editor G'MIC-Qt Tool Running the Frames/Droste Filter"
1632 msgstr ""
1633 
1634 #: ../../image_editor/enhancement_tools.rst:714
1635 msgid ""
1636 "**Frequencies**: this filter collection is based on Fourier Transforms "
1637 "analysis."
1638 msgstr ""
1639 
1640 #: ../../image_editor/enhancement_tools.rst:720
1641 msgid "The Image Editor G'MIC-Qt Tool Running the Frequencies/Bandpass Filter"
1642 msgstr ""
1643 
1644 #: ../../image_editor/enhancement_tools.rst:722
1645 msgid ""
1646 "**Layers**: this filter collection works on layers or export contents to "
1647 "separate layers. As layers are not supported by Image Editor, usage of these "
1648 "filters is limited."
1649 msgstr ""
1650 
1651 #: ../../image_editor/enhancement_tools.rst:728
1652 msgid ""
1653 "The Image Editor G'MIC-Qt Tool Running the Layers/Tiles-to-Layers Filter"
1654 msgstr ""
1655 
1656 #: ../../image_editor/enhancement_tools.rst:730
1657 msgid ""
1658 "**Lights and Shadows**: this filter collection allows adjustment of under-"
1659 "exposed and over-exposed contents from a photo. It's also possible to patch "
1660 "the image with a supplemental source of light."
1661 msgstr ""
1662 
1663 #: ../../image_editor/enhancement_tools.rst:736
1664 msgid ""
1665 "The Image Editor G'MIC-Qt Tool Running the Lights-and-Shadows/Pop-Shadows "
1666 "Filter"
1667 msgstr ""
1668 
1669 #: ../../image_editor/enhancement_tools.rst:738
1670 msgid ""
1671 "**Patterns**: this filter collection is a set of recursive image generation "
1672 "methods which can produce original and interesting geometric forms."
1673 msgstr ""
1674 
1675 #: ../../image_editor/enhancement_tools.rst:744
1676 msgid "The Image Editor G'MIC-Qt Tool Running the Patterns/Halftone Filter"
1677 msgstr ""
1678 
1679 #: ../../image_editor/enhancement_tools.rst:746
1680 msgid ""
1681 "**Renderings**: this filter collection superimposes generated artificial "
1682 "forms based on mathematical solutions."
1683 msgstr ""
1684 
1685 #: ../../image_editor/enhancement_tools.rst:752
1686 msgid "The Image Editor G'MIC-Qt Tool Running the Rendering/Lightning Filter"
1687 msgstr ""
1688 
1689 #: ../../image_editor/enhancement_tools.rst:754
1690 msgid ""
1691 "**Repair**: this filter collection includes advanced algorithms to help with "
1692 "image noise/glitch/objects/artifacts/compression removal. This kind of "
1693 "filter tries to fix very challenging problems that have occupied image-"
1694 "processing researchers for several generations."
1695 msgstr ""
1696 
1697 #: ../../image_editor/enhancement_tools.rst:760
1698 msgid ""
1699 "The Image Editor G'MIC-Qt Tool Running the Repair/Denoise Filter based on "
1700 "convolutional neural networks"
1701 msgstr ""
1702 
1703 #: ../../image_editor/enhancement_tools.rst:762
1704 msgid "**Sequences**: this filters collection generates animation from photos."
1705 msgstr ""
1706 
1707 #: ../../image_editor/enhancement_tools.rst:768
1708 msgid ""
1709 "The Image Editor G'MIC-Qt Tool Running the Sequences/3D_Image-Object Filter"
1710 msgstr ""
1711 
1712 #: ../../image_editor/enhancement_tools.rst:770
1713 msgid ""
1714 "**Silhouettes**: this filter collection superimposes forms such as animal "
1715 "finger-print, icons, nature shapes, etc."
1716 msgstr ""
1717 
1718 #: ../../image_editor/enhancement_tools.rst:776
1719 msgid ""
1720 "The Image Editor G'MIC-Qt Tool Running the Silhouettes/Nature/Barnsley-Fern "
1721 "Filter"
1722 msgstr ""
1723 
1724 #: ../../image_editor/enhancement_tools.rst:778
1725 msgid "**Stereoscopic 3D**: this filter collection renders photos in relief."
1726 msgstr ""
1727 
1728 #: ../../image_editor/enhancement_tools.rst:784
1729 msgid ""
1730 "The Image Editor G'MIC-Qt Tool Running the Stereoscopic-3D/Stereo-Image "
1731 "Filter"
1732 msgstr ""
1733 
1734 #: ../../image_editor/enhancement_tools.rst:786
1735 msgid ""
1736 "**Testing**: this filter collection groups all tools under development. Take "
1737 "care: these filters can be unstable and give weird effects."
1738 msgstr ""
1739 
1740 #: ../../image_editor/enhancement_tools.rst:788
1741 msgid ""
1742 "**Various**: this filters collection groups tools which cannot be "
1743 "categorized in others collections. A G'MIC code editor can be found to "
1744 "create and test new filters."
1745 msgstr ""
1746 
1747 #: ../../image_editor/enhancement_tools.rst:794
1748 msgid "The Image Editor G'MIC-Qt Tool Running the Various/Custom-Code Filter"
1749 msgstr ""
1750 
1751 #: ../../image_editor/enhancement_tools.rst:796
1752 msgid ""
1753 "The default layout of G'MIC-Qt is quite simple (this can be changed in the "
1754 "G'MIC-Qt **Settings** dialog). See below the description of each pane:"
1755 msgstr ""
1756 
1757 #: ../../image_editor/enhancement_tools.rst:798
1758 msgid ""
1759 "On the left, there is the preview. With some filters, the whole image is "
1760 "displayed, and with other filters it will be shown a 100% crop detail, "
1761 "depending on the kind of effect that we are going to activate."
1762 msgstr ""
1763 
1764 #: ../../image_editor/enhancement_tools.rst:800
1765 msgid ""
1766 "In the middle, there is the useful search bar at the top, with a list of "
1767 "groups of effects below. Each group can be opened with a double click or by "
1768 "clicking the small arrow on the left of the name."
1769 msgstr ""
1770 
1771 #: ../../image_editor/enhancement_tools.rst:802
1772 msgid ""
1773 "On the right would appear the settings of the selected filter, if we had "
1774 "selected one below, to confirm the changes, there are the **Apply** and the "
1775 "**Ok** buttons. The **Cancel** button stops all current processing and "
1776 "returns to the Image Editor."
1777 msgstr ""
1778 
1779 #: ../../image_editor/enhancement_tools.rst:804
1780 msgid ""
1781 "You can search a filter using their groups, but the fastest way to find them "
1782 "is to use the **Search** bar at the top of the list. If the filter "
1783 "categories look a bit daunting, it's possible to add the most used filters "
1784 "in a favorites list and to apply a color tag using the filters tree-view "
1785 "context menu. On the bottom, the **Add Fave** button allows appending an "
1786 "entry in the first section named **Faves** on the list."
1787 msgstr ""
1788 
1789 #: ../../image_editor/enhancement_tools.rst:810
1790 msgid ""
1791 "The Image Editor G'MIC-Qt Tool Filters Tree-View and the Favorites Context "
1792 "Menu"
1793 msgstr ""
1794 
1795 #: ../../image_editor/enhancement_tools.rst:812
1796 msgid "For mostly all the G'MIC-Qt filters you can see these behaviors:"
1797 msgstr ""
1798 
1799 #: ../../image_editor/enhancement_tools.rst:814
1800 msgid ""
1801 "When you render the filter on whole data from Image Editor by pressing "
1802 "**Apply** or **Ok** buttons, the processing time can be quite long, with "
1803 "many megapixels images. If the computer is not powerful enough, time to "
1804 "process an image can take a while. A **Progress Bar** on the bottom of the "
1805 "G'MIC-Qt dialog will indicate the computation progress."
1806 msgstr ""
1807 
1808 #: ../../image_editor/enhancement_tools.rst:820
1809 msgid "The Image Editor G'MIC-Qt Tool Progress Bar"
1810 msgstr ""
1811 
1812 #: ../../image_editor/enhancement_tools.rst:822
1813 msgid ""
1814 "If a filter has many parameter settings, some may not be visible; use the "
1815 "scroll bar to access more settings. Also, it's possible to enlarge the G'MIC-"
1816 "Qt dialog if necessary, or switch to **Fullscreen** with the button on the "
1817 "bottom."
1818 msgstr ""
1819 
1820 #: ../../image_editor/enhancement_tools.rst:824
1821 msgid ""
1822 "Depending on the filter, some parameters can require many iterations on the "
1823 "image and increase processing time. Adjust the settings carefully, as the "
1824 "times can increase exponentially before seeing the result."
1825 msgstr ""
1826 
1827 #: ../../image_editor/enhancement_tools.rst:826
1828 msgid ""
1829 "The filter preview can be adjusted to compare the results before and after "
1830 "the effect. **Preview Type** settings are available in the parameters pane."
1831 msgstr ""
1832 
1833 #: ../../image_editor/enhancement_tools.rst:832
1834 msgid ""
1835 "The Image Editor G'MIC-Qt Tool Preview Type Settings From the Colors/Color-"
1836 "Blindness Filter"
1837 msgstr ""
1838 
1839 #: ../../image_editor/enhancement_tools.rst:834
1840 msgid ""
1841 "The **Settings** button on the bottom left will show the G'MIC-Qt "
1842 "configuration dialog with tree tabs:"
1843 msgstr ""
1844 
1845 #: ../../image_editor/enhancement_tools.rst:836
1846 msgid ""
1847 "First one is used to customize the G'MIC-Qt **Interface**, as the layout of "
1848 "the tool panes, the language to enable, the preview behavior, and the native "
1849 "dialog to use."
1850 msgstr ""
1851 
1852 #: ../../image_editor/enhancement_tools.rst:842
1853 msgid "The Image Editor G'MIC-Qt Tool Settings/Interface Dialog Tab"
1854 msgstr ""
1855 
1856 #: ../../image_editor/enhancement_tools.rst:844
1857 msgid ""
1858 "Second one to set up the **Filter sources**, such as where to take filter "
1859 "updates and where to store them on your computer."
1860 msgstr ""
1861 
1862 #: ../../image_editor/enhancement_tools.rst:850
1863 msgid "The Image Editor G'MIC-Qt Tool Settings/Filter-Sources Dialog Tab"
1864 msgstr ""
1865 
1866 #: ../../image_editor/enhancement_tools.rst:852
1867 msgid ""
1868 "The last one is to tune **Other** parameters, such as when to check for "
1869 "online updates, and the debug verbosity on the console (useful for filter "
1870 "developers)."
1871 msgstr ""
1872 
1873 #: ../../image_editor/enhancement_tools.rst:858
1874 msgid "The Image Editor G'MIC-Qt Tool Settings/Other Dialog Tab"
1875 msgstr ""
1876 
1877 #: ../../image_editor/enhancement_tools.rst:860
1878 msgid ""
1879 "It's suggested to explore all the available effects in G'MIC-Qt, as you can "
1880 "find interesting artistic solutions for your photo. See `this online review "
1881 "<https://jpfleury.github.io/gfo-demos/demos/fruits-400/index.html>`_ of all "
1882 "G'MIC-Qt filters for details."
1883 msgstr ""