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0003 "Project-Id-Version: Digikam Manual 8.0.0\n"
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0005 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0006 "PO-Revision-Date: 2022-12-29 23:26-0800\n"
0007 "Last-Translator: Japanese KDE translation team <kde-jp@kde.org>\n"
0008 "Language-Team: Japanese <kde-jp@kde.org>\n"
0009 "Language: ja\n"
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0012 "Content-Transfer-Encoding: 8bit\n"
0013 "Plural-Forms: nplurals=1; plural=0;\n"
0014 "X-Accelerator-Marker: &\n"
0015 "X-Text-Markup: kde4\n"
0016 
0017 #: ../../image_editor/enhancement_tools.rst:1
0018 msgid "digiKam Image Editor Enhancement Tools"
0019 msgstr ""
0020 
0021 #: ../../image_editor/enhancement_tools.rst:1
0022 msgid ""
0023 "digiKam, documentation, user manual, photo management, open source, free, "
0024 "learn, easy, image, editor, healing, clone, lens, distortion, sharpen, blur, "
0025 "red, eyes, local, contrast, noise, reduction, hot, pixels, restoration, "
0026 "vignetting"
0027 msgstr ""
0028 
0029 #: ../../image_editor/enhancement_tools.rst:14
0030 msgid "Enhancement Tools"
0031 msgstr ""
0032 
0033 #: ../../image_editor/enhancement_tools.rst:16
0034 msgid "Contents"
0035 msgstr ""
0036 
0037 #: ../../image_editor/enhancement_tools.rst:21
0038 msgid "Lens Distortion Correction"
0039 msgstr ""
0040 
0041 #: ../../image_editor/enhancement_tools.rst:23
0042 msgid ""
0043 "The Lens Distortion is a tool to correct spherical lens aberrations on the "
0044 "photos."
0045 msgstr ""
0046 
0047 #: ../../image_editor/enhancement_tools.rst:25
0048 msgid ""
0049 "Barrel distortion is associated with wide angle (or minimal zoom) lenses. It "
0050 "causes the images to appear slightly spherical (curved outward) like a "
0051 "barrel. You can notice this when you have straight features close to the "
0052 "image's peripheral sides. Pincushion distortion is the opposite defect and "
0053 "is associated with Telephoto lenses (maximum zoom) or underwater images. The "
0054 "images appear pinched (bent inward) toward the center. The Pincushion is "
0055 "often less noticeable than barrel but are equally visible near the edges. "
0056 "These distortions can easily be eliminated without visible loss in quality "
0057 "with this tool."
0058 msgstr ""
0059 
0060 #: ../../image_editor/enhancement_tools.rst:29
0061 msgid ""
0062 "This tool treats the geometrical distortions. Chromatic aberrations will not "
0063 "be corrected by this tool. See the **Lens Auto Correction** tool instead."
0064 msgstr ""
0065 
0066 #: ../../image_editor/enhancement_tools.rst:31
0067 msgid ""
0068 "The following figures explain the main types of geometrical distortions:"
0069 msgstr ""
0070 
0071 #: ../../image_editor/enhancement_tools.rst:33
0072 msgid "(1): Pincushion distortion."
0073 msgstr ""
0074 
0075 #: ../../image_editor/enhancement_tools.rst:35
0076 msgid "(2): No distortion."
0077 msgstr ""
0078 
0079 #: ../../image_editor/enhancement_tools.rst:37
0080 msgid "(3): Barrel distortion."
0081 msgstr ""
0082 
0083 #: ../../image_editor/enhancement_tools.rst:43
0084 msgid "The Geometrical Distortion Types"
0085 msgstr ""
0086 
0087 #: ../../image_editor/enhancement_tools.rst:47
0088 msgid ""
0089 "A bit of explanation first. The geometrical corrections use 4th-order "
0090 "polynomial coefficients:"
0091 msgstr ""
0092 
0093 #: ../../image_editor/enhancement_tools.rst:49
0094 msgid ""
0095 "The 1st-order coefficient changes the size of the image. The tool calls this "
0096 "**Zoom**."
0097 msgstr ""
0098 
0099 #: ../../image_editor/enhancement_tools.rst:51
0100 msgid ""
0101 "The 2nd-order coefficient treats the main geometrical distortion of lenses "
0102 "and can correct the convex or concave shape of the image."
0103 msgstr ""
0104 
0105 #: ../../image_editor/enhancement_tools.rst:53
0106 msgid ""
0107 "The 3rd-order coefficient has a similar rounding effect but levels off "
0108 "towards the edges. This correction is not employed in the tool."
0109 msgstr ""
0110 
0111 #: ../../image_editor/enhancement_tools.rst:55
0112 msgid ""
0113 "The 4th-order coefficient corrects the far edges inversely to the 2nd-order "
0114 "rounding. Combining it with the 2nd-order correction the geometrical "
0115 "distortions can be almost completely eliminated."
0116 msgstr ""
0117 
0118 #: ../../image_editor/enhancement_tools.rst:61
0119 msgid "The Image Editor Lens Distortion Tool"
0120 msgstr ""
0121 
0122 #: ../../image_editor/enhancement_tools.rst:63
0123 msgid "Four sliders let you set the distortion correction filter:"
0124 msgstr ""
0125 
0126 #: ../../image_editor/enhancement_tools.rst:65
0127 msgid ""
0128 "**Main**: this value controls the amount of 2nd-order distortion. Negative "
0129 "values correct barrel distortions, while positive values correct pincushion "
0130 "distortion."
0131 msgstr ""
0132 
0133 #: ../../image_editor/enhancement_tools.rst:67
0134 msgid ""
0135 "**Edge**: this value controls the amount of 4th-order distortion. The Edge "
0136 "control has more effect at the edges of the image than at the center. For "
0137 "most lenses, the **Edge** parameter has the opposite sign of the **Main** "
0138 "parameter."
0139 msgstr ""
0140 
0141 #: ../../image_editor/enhancement_tools.rst:69
0142 msgid ""
0143 "**Zoom**: this value rescales the overall image size (1st-order correction). "
0144 "Negative values zoom out of the image, while positive values zoom in."
0145 msgstr ""
0146 
0147 #: ../../image_editor/enhancement_tools.rst:71
0148 msgid ""
0149 "**Brighten**: this control adjusts the brightness in image corners. Negative "
0150 "values decrease the brightness image corners, while positive values increase "
0151 "it."
0152 msgstr ""
0153 
0154 #: ../../image_editor/enhancement_tools.rst:73
0155 msgid ""
0156 "To help you to choose the best filter settings, the widget dialog "
0157 "illustrates with a thumbnail preview the distortion correction applied to a "
0158 "crossed mesh pattern. The values you apply to your image will be saved and "
0159 "come up with the same values as default the next time you call the tool."
0160 msgstr ""
0161 
0162 #: ../../image_editor/enhancement_tools.rst:77
0163 msgid ""
0164 "The barrel-pincushion correction should be done before any crop or size "
0165 "changes (including perspective correction). In fact the Barrel-Pincushion "
0166 "corrections should be the very first step on the original image. If you crop "
0167 "the image and then use barrel correction the effect would be obviously wrong."
0168 msgstr ""
0169 
0170 #: ../../image_editor/enhancement_tools.rst:79
0171 msgid ""
0172 "To help you finding the best correction the tool provides a vertical and "
0173 "horizontal guide. Move the mouse cursor in the image preview to display the "
0174 "dashed lines guide. Move the cursor to an important place in the image like "
0175 "the sea level or a building border and press the left mouse button for "
0176 "freeze the dashed lines position. Now, adjust the barrel/pincushion "
0177 "correction to align with the guide."
0178 msgstr ""
0179 
0180 #: ../../image_editor/enhancement_tools.rst:81
0181 msgid ""
0182 "When using pincushion correction the resulting image will have a black "
0183 "border in the corner. You will need to cut this out with a crop tool "
0184 "available in :menuselection:`Transform --> Crop` Image Editor menu or via "
0185 "the zoom slider of this dialog."
0186 msgstr ""
0187 
0188 #: ../../image_editor/enhancement_tools.rst:83
0189 msgid ""
0190 "On most images using the barrel correction is enough, however with some "
0191 "shots such as front images, frames, paintings, the next logical step is to "
0192 "use perspective correction to make all the angles 90 degrees. Note that when "
0193 "you hold your camera by hand you almost always introduce some kind of slight "
0194 "perspective distortion."
0195 msgstr ""
0196 
0197 #: ../../image_editor/enhancement_tools.rst:88
0198 msgid "Vignetting Correction"
0199 msgstr ""
0200 
0201 #: ../../image_editor/enhancement_tools.rst:91
0202 #: ../../image_editor/enhancement_tools.rst:198
0203 #: ../../image_editor/enhancement_tools.rst:405
0204 msgid "Overview"
0205 msgstr ""
0206 
0207 #: ../../image_editor/enhancement_tools.rst:93
0208 msgid ""
0209 "digiKam The Vignetting correction is a tool to correct image vignetting "
0210 "(under-exposure in the corners)."
0211 msgstr ""
0212 
0213 #: ../../image_editor/enhancement_tools.rst:95
0214 msgid ""
0215 "Wide angle lenses, especially those used in medium and large format "
0216 "photography, frequently do not uniformly illuminate the entire sensor plane. "
0217 "Instead, they *vignette* (shade) the edges and corners of the image, "
0218 "substantially reducing the light reaching the sensor there. But telelenses "
0219 "may show vignetting too."
0220 msgstr ""
0221 
0222 #: ../../image_editor/enhancement_tools.rst:97
0223 msgid ""
0224 "The traditional solution for this is to attach a *center filter* to the "
0225 "lens. This is a neutral density filter with maximum density at the optical "
0226 "axis of the lens, clear at the periphery, with density varying inversely to "
0227 "the vignetting of the lens. A center filter has many advantages: not only "
0228 "does it automatically correct for full-frame images but, since it's fixed to "
0229 "the front of the lens, it also compensates for the off-center vignetting "
0230 "which occurs when camera movements are employed for perspective or plane of "
0231 "focus adjustment."
0232 msgstr ""
0233 
0234 #: ../../image_editor/enhancement_tools.rst:99
0235 msgid ""
0236 "But there are disadvantages as well. Many center filters require a 1.5 or 2 "
0237 "f-stop filter factor adjustment, which may in turn necessitate a shutter "
0238 "speed so slow (since wide angle lenses, even with center filters, are best "
0239 "used at apertures of f/16 or smaller) that hand-holding the camera is "
0240 "impossible and motion blur becomes a problem when photographing moving "
0241 "objects."
0242 msgstr ""
0243 
0244 #: ../../image_editor/enhancement_tools.rst:101
0245 msgid ""
0246 "With the wide exposure range of present-day film and the color (or grey-"
0247 "scale) depth of digital camera or film scanners, it is possible to simulate "
0248 "the effect of a center filter by applying an equivalent transform to a raw "
0249 "image taken without the filter."
0250 msgstr ""
0251 
0252 #: ../../image_editor/enhancement_tools.rst:104
0253 msgid "Using the vignetting correction tool"
0254 msgstr ""
0255 
0256 #: ../../image_editor/enhancement_tools.rst:110
0257 msgid "The Vignetting Correction Types"
0258 msgstr ""
0259 
0260 #: ../../image_editor/enhancement_tools.rst:112
0261 msgid ""
0262 "Five sliders give you control over the vignetting correction filter, and "
0263 "three more over the target image exposure:"
0264 msgstr ""
0265 
0266 #: ../../image_editor/enhancement_tools.rst:114
0267 msgid ""
0268 "**Amount**: this option controls the degree of luminosity attenuation by the "
0269 "filter at its point of maximum amount. The default amount is 2.0, which "
0270 "corresponds to an optical filter with a 1 f-stop filter factor (or, by no "
0271 "coincidence, a factor of 2 in luminosity). Increase the amount to compensate "
0272 "for a greater degree of vignetting; reduce it for less."
0273 msgstr ""
0274 
0275 #: ../../image_editor/enhancement_tools.rst:116
0276 msgid ""
0277 "**Feather**: this option determines the rate at which the filter intensity "
0278 "falls off from the point of maximum amount toward the edges, expressed as a "
0279 "power factor. The default of 1 yields a linear reduction in filter amount "
0280 "with distance from the center. Power factors greater than 1.0 cause a faster "
0281 "fall-off (for example, a power of 2 causes the amount to decrease as the "
0282 "square of the distance from the center) and causes the effect of the filter "
0283 "to be concentrated near the center. Powers less than 1 spread out the amount "
0284 "of the filter toward the edges; a power of 0.5 causes the amount to fall as "
0285 "the square root of the distance from the center."
0286 msgstr ""
0287 
0288 #: ../../image_editor/enhancement_tools.rst:118
0289 msgid ""
0290 "**Radius**: this option specifies the radius, as a multiple of the half "
0291 "diagonal measure of the image, at which the amount of the filter falls off "
0292 "to zero (or, in other words, becomes transparent). The default value of 1.0 "
0293 "specifies a filter which is transparent at its corners. A radius "
0294 "specification greater than 1 extends the effect of the center filter beyond "
0295 "the edges of the image, while a radius less than one limits the filter's "
0296 "action to a region smaller than the image. When compensating for vignetting "
0297 "by lenses used with large format and some medium format cameras, the default "
0298 "radius factor of 1 is rarely correct! These lenses often \"cover\" an image "
0299 "circle substantially larger than the film to permit camera movements to "
0300 "control perspective and focus, and consequently have a vignetting pattern "
0301 "which extends well beyond the edges of the film, requiring a radius setting "
0302 "greater than 1 to simulate a center filter covering the entire image circle."
0303 msgstr ""
0304 
0305 #: ../../image_editor/enhancement_tools.rst:120
0306 msgid ""
0307 "**X offset** and **Y offset** settings: these options moves respectively the "
0308 "center of the filter horizontally or vertically up to the border of the "
0309 "image by the specified percentage. A negative value for the X offset will "
0310 "shift the filter to the left while a positive value will shift it to the "
0311 "right. A negative value for the Y offset will move the filter up, and "
0312 "finally a positive value will move it down."
0313 msgstr ""
0314 
0315 #: ../../image_editor/enhancement_tools.rst:122
0316 msgid ""
0317 "**Add Vignetting**: many photographs looks flat because of a distracting "
0318 "background or another composition matter. While most of time you will want "
0319 "to remove vignetting it is a fact that a selective vignetting could improve "
0320 "the readability of a photograph and draw the eyes to the intended subject. "
0321 "As an artist you may choose this option, ticking it will invert the filter "
0322 "thus darkening the corners of a photograph."
0323 msgstr ""
0324 
0325 #: ../../image_editor/enhancement_tools.rst:124
0326 msgid ""
0327 "The only way to be sure which settings of **Amount**, **Feather**, and "
0328 "**Radius** best compensate for the actual optical characteristics of a given "
0329 "lens is to expose a uniformly illuminated scene (for example, a grey card "
0330 "lit by diffuse light) and perform densitometry on the resulting image (for "
0331 "example with Adjust Level tool histogram position bar). Failing that, or "
0332 "specifications by the lens manufacturer giving the precise degree of "
0333 "vignetting at one or more working apertures, you may have to experiment with "
0334 "different settings to find those which work best for each of your lenses. "
0335 "For help you in this task, the widget dialog provide a thumbnail mask "
0336 "rendering applied on the image. Fortunately, the response of the human eye "
0337 "is logarithmic, not linear like most digital imaging sensors, so you needn't "
0338 "precisely compensate for the actual vignetting to create images which "
0339 "viewers will perceive as uniformly illuminated."
0340 msgstr ""
0341 
0342 #: ../../image_editor/enhancement_tools.rst:128
0343 msgid ""
0344 "If you want a finer exposure re-adjustment of the target image, use the "
0345 "Adjust Curve tool from Image Editor available under :menuselection:`Color --"
0346 "> Adjust Curve` menu entry."
0347 msgstr ""
0348 
0349 #: ../../image_editor/enhancement_tools.rst:131
0350 msgid "The vignetting correction tool in action"
0351 msgstr ""
0352 
0353 #: ../../image_editor/enhancement_tools.rst:133
0354 msgid ""
0355 "This is an example of an anti vignetting correction applied to an image. The "
0356 "original image on the top shows vignetting in the corners, the corrected "
0357 "image on the bottom much less. The values used for this example are:"
0358 msgstr ""
0359 
0360 #: ../../image_editor/enhancement_tools.rst:135
0361 msgid "Density = 2.6."
0362 msgstr ""
0363 
0364 #: ../../image_editor/enhancement_tools.rst:137
0365 msgid "Power = 0.9."
0366 msgstr ""
0367 
0368 #: ../../image_editor/enhancement_tools.rst:139
0369 msgid "Radius = 1.1."
0370 msgstr ""
0371 
0372 #: ../../image_editor/enhancement_tools.rst:145
0373 msgid "The Image Editor Anti-Vignetting Tool"
0374 msgstr ""
0375 
0376 #: ../../image_editor/enhancement_tools.rst:150
0377 msgid "Lens Auto Correction"
0378 msgstr ""
0379 
0380 #: ../../image_editor/enhancement_tools.rst:152
0381 msgid ""
0382 "No lens is optically perfect. Even the most expensive lenses have there own "
0383 "imperfections, however digiKam can correct lens imperfections such as "
0384 "**Distortion**, **Chromatic aberration**, **Vignetting**, and **Geometry**."
0385 msgstr ""
0386 
0387 #: ../../image_editor/enhancement_tools.rst:158
0388 msgid "The Lens Auto-Correction Tool from digiKam Image Editor"
0389 msgstr ""
0390 
0391 #: ../../image_editor/enhancement_tools.rst:160
0392 msgid ""
0393 "From Image Editor go to :menuselection:`Enhance --> Lens --> Auto "
0394 "Corrections` menu entry to start the automatic lens correction tool. This "
0395 "feature uses lens data from the `Lensfun library <https://lensfun.github.io/"
0396 ">`_ and it has a very much up to date database of lenses which are "
0397 "available. It has more than a hundred lenses in its current databases. It "
0398 "also uses the **Metadata** from the image to find-out which lens is used."
0399 msgstr ""
0400 
0401 #: ../../image_editor/enhancement_tools.rst:162
0402 msgid ""
0403 "If the exact used to take the picture is available it will mention that it "
0404 "matches with the metadata (annoted in **Green**), however if the exact match "
0405 "is not available it will choose the settings from the most closes match "
0406 "(annoted in **Orange**). In this case it also allows users to select the "
0407 "lens themselves. If metadata do not match at all, it will be annoted in "
0408 "**Red**."
0409 msgstr ""
0410 
0411 #: ../../image_editor/enhancement_tools.rst:168
0412 msgid "Metadata Match with LensFun Database"
0413 msgstr ""
0414 
0415 #: ../../image_editor/enhancement_tools.rst:174
0416 msgid "Metadata Match Partially with LensFun Database"
0417 msgstr ""
0418 
0419 #: ../../image_editor/enhancement_tools.rst:180
0420 msgid "Metadata do not Match with LensFun Database"
0421 msgstr ""
0422 
0423 #: ../../image_editor/enhancement_tools.rst:182
0424 msgid ""
0425 "You can either enable or disable the helper **Grid** lines to visualise how "
0426 "the geometrical distortion are corrected on image."
0427 msgstr ""
0428 
0429 #: ../../image_editor/enhancement_tools.rst:188
0430 msgid ""
0431 "The Lens Auto-Correction Tool Displaying the Helper Grid over the Canvas"
0432 msgstr ""
0433 
0434 #: ../../image_editor/enhancement_tools.rst:190
0435 msgid ""
0436 "Select the corrections you want to apply move you mouse inwards and outwards "
0437 "of the preview window which will show you before and after. When you are "
0438 "satisfied with the result press **OK**."
0439 msgstr ""
0440 
0441 #: ../../image_editor/enhancement_tools.rst:195
0442 msgid "Hot Pixels Correction"
0443 msgstr ""
0444 
0445 #: ../../image_editor/enhancement_tools.rst:200
0446 msgid ""
0447 "digiKam The Hot Pixels tool facilitates removing hot pixels from photographs "
0448 "taken with a camera electronic sensor."
0449 msgstr ""
0450 
0451 #: ../../image_editor/enhancement_tools.rst:202
0452 msgid ""
0453 "Most current digital cameras produce images with several brightly colored "
0454 "**Bad Pixels** when using slow shutter speeds. Night images can be ruined by "
0455 "these Bad Pixels. There are three different types of Bad Pixels:"
0456 msgstr ""
0457 
0458 #: ../../image_editor/enhancement_tools.rst:204
0459 msgid ""
0460 "**Stuck pixels**: it's a pixel that always reads high or is always on to "
0461 "maximum power on all exposures. This produces a bright pixel usually of red, "
0462 "blue or green color in the final image. A stuck pixel will occur regardless "
0463 "of shutter speed, aperture size or any other user settings. It will occur on "
0464 "a normal exposure and tends to be more obvious under bright condition."
0465 msgstr ""
0466 
0467 #: ../../image_editor/enhancement_tools.rst:206
0468 msgid ""
0469 "**Dead pixels**: it's a pixel that reads zero or is always off on all "
0470 "exposures. This state produces a black pixel in the final image. Similar to "
0471 "stuck pixel, a dead pixel will occur regardless of shutter speed, aperture "
0472 "size or any other user settings."
0473 msgstr ""
0474 
0475 #: ../../image_editor/enhancement_tools.rst:208
0476 msgid ""
0477 "**Hot pixels**: it's a pixel that reads high (bright) on longer exposures as "
0478 "white, red, or green color. The longer the exposure time, the more visible "
0479 "hot pixels will become. These pixels will not be visible in bright "
0480 "conditions."
0481 msgstr ""
0482 
0483 #: ../../image_editor/enhancement_tools.rst:210
0484 msgid ""
0485 "Note that stuck or dead pixels will occur at the same location for all "
0486 "images. If the location of the stuck or dead pixel occurs at different "
0487 "locations, it may be a Hot Pixel."
0488 msgstr ""
0489 
0490 #: ../../image_editor/enhancement_tools.rst:212
0491 msgid ""
0492 "Stuck, dead or hot pixels are a problem in particular when shooting in high "
0493 "quality raw mode since many cameras have built-in hot pixel suppression "
0494 "applied automatically when JPEG compression is used (which is mostly the "
0495 "case)."
0496 msgstr ""
0497 
0498 #: ../../image_editor/enhancement_tools.rst:214
0499 msgid ""
0500 "This tool can be used to fix the **Hot pixels** and **Stuck Pixels** on a "
0501 "photograph using a **Black Frame** subtraction method. There is not a manual "
0502 "editor to select Bad Pixels."
0503 msgstr ""
0504 
0505 #: ../../image_editor/enhancement_tools.rst:217
0506 msgid "Create the Black Frames"
0507 msgstr ""
0508 
0509 #: ../../image_editor/enhancement_tools.rst:219
0510 msgid ""
0511 "The Black Frame subtraction method is the most accurate \"Hot Pixels\" and "
0512 "\"Stuck Pixels\" removal. First you have to create a \"Black Frame\" as a "
0513 "reference. This is easy to do. When you finish taking your long exposure "
0514 "shots, put a lens cap on the camera and take one \"dark\" image with the "
0515 "same exposure time as the images before. This image will be all dark, but "
0516 "with close examination you will see that it has the Hot and Stuck Pixels "
0517 "(colored dots). These are positioned at the same places as on your previous "
0518 "shots."
0519 msgstr ""
0520 
0521 #: ../../image_editor/enhancement_tools.rst:221
0522 msgid ""
0523 "Load this file to the widget using the **Black Frame** button. The tool will "
0524 "process an automatic detection of Hot and Stuck Pixels. They will be "
0525 "highlighted in the control panel preview areas."
0526 msgstr ""
0527 
0528 #: ../../image_editor/enhancement_tools.rst:225
0529 msgid ""
0530 "If you use an old digital camera, it is important to re-shoot the Black "
0531 "Frame next time you are taking a long exposure images to detect new Hot and "
0532 "Stuck Pixels on sensor defects."
0533 msgstr ""
0534 
0535 #: ../../image_editor/enhancement_tools.rst:228
0536 msgid "Using the Hotpixel Tool"
0537 msgstr ""
0538 
0539 #: ../../image_editor/enhancement_tools.rst:234
0540 msgid "The Image Editor Hot Pixels Tool"
0541 msgstr ""
0542 
0543 #: ../../image_editor/enhancement_tools.rst:236
0544 msgid ""
0545 "At first, as explained in the previous section, you need to load a Black "
0546 "Frame corresponding to the image to correct. An automatic parsing will be "
0547 "processed on the Black Frame to find bad pixels. Note that the widget will "
0548 "remember the previous Black Frame used on the last session and it will be re-"
0549 "opened automatically with the next session."
0550 msgstr ""
0551 
0552 #: ../../image_editor/enhancement_tools.rst:238
0553 msgid ""
0554 "The image panel and the original preview help you to pan within the image. "
0555 "The preview window shows the filter output using the current settings. Bad "
0556 "Pixels are highlighted on preview area."
0557 msgstr ""
0558 
0559 #: ../../image_editor/enhancement_tools.rst:240
0560 msgid ""
0561 "Select an area to see bad pixels on preview and the filter result using "
0562 "*Separate View* options of image panel. Choose the best **Filter** method to "
0563 "interpolate pixels or pixel blocks. These are the available filters:"
0564 msgstr ""
0565 
0566 #: ../../image_editor/enhancement_tools.rst:242
0567 msgid ""
0568 "**Average**: the pixels adjacent to the pixel block are averaged. The "
0569 "resulting color is assigned to all pixels in the block. For 1-dimensional "
0570 "interpolation, this is done separately for one pixel-wide, horizontal or "
0571 "vertical stripes."
0572 msgstr ""
0573 
0574 #: ../../image_editor/enhancement_tools.rst:244
0575 msgid ""
0576 "**Linear**: the pixels which have a distance of 1 from the pixel block are "
0577 "used to calculate a bi-linear surface (2-dim), or a group of linear curves "
0578 "(1-dim), which is then used to assign interpolated colors to the pixels in "
0579 "the block."
0580 msgstr ""
0581 
0582 #: ../../image_editor/enhancement_tools.rst:246
0583 msgid ""
0584 "**Quadratic**: this is the default filtering method. The pixels which have a "
0585 "distance of 2 or less from the pixel block are used to calculate a bi-"
0586 "quadratic surface (2-dim), or a group of quadratic curves (1-dim), which is "
0587 "then used to assign interpolated colors to the pixels in the block."
0588 msgstr ""
0589 
0590 #: ../../image_editor/enhancement_tools.rst:248
0591 msgid ""
0592 "**Cubic**: the pixels which have a distance of 3 or less from the pixel "
0593 "block are used to calculate a bi-cubic surface (2-dim), or a group of cubic "
0594 "curves (1-dim), which is then used to assign interpolated colors to the "
0595 "pixels in the block."
0596 msgstr ""
0597 
0598 #: ../../image_editor/enhancement_tools.rst:253
0599 msgid "Local Contrast Tool"
0600 msgstr ""
0601 
0602 #: ../../image_editor/enhancement_tools.rst:255
0603 msgid "The Local Contrast tool render pseudo-HDR image."
0604 msgstr ""
0605 
0606 #: ../../image_editor/enhancement_tools.rst:257
0607 msgid ""
0608 "There are multiple ways to render HDR image to improve photos containing "
0609 "under or overexposed areas. With camera devices, usual tools let you merge "
0610 "multiple shots with different exposures into one perfectly exposed photo. "
0611 "This work nicely but require some limitation, as for example the necessity "
0612 "to shot static subjects. But what if you have just in case of single image, "
0613 "or with dynamic subjects? You might want to give a try to the Local Contrast "
0614 "feature. It uses a Low Dynamic Range `Tonemapping <https://en.wikipedia.org/"
0615 "wiki/Tone_mapping>`_ which is designed to improve the dynamic range of the "
0616 "photo by reducing its global contrast and increasing the local contrast. It "
0617 "does so by generating a desaturated and blurred version of the photo. It "
0618 "then combines the RGB channels of the original photo with the desaturated "
0619 "blurred image using either the Linear or Power function. Sounds complicated? "
0620 "Don’t worry, the Local Contrast tool is rather straightforward to use, so "
0621 "you don’t have to understand all its intricacies in order to achieve "
0622 "pleasing results."
0623 msgstr ""
0624 
0625 #: ../../image_editor/enhancement_tools.rst:263
0626 msgid "The Image Editor Local Contrast Tool"
0627 msgstr ""
0628 
0629 #: ../../image_editor/enhancement_tools.rst:265
0630 msgid ""
0631 "Open the photo you want in the editor and choose :menuselection:`Enhance --> "
0632 "Local Contrast`. The tool lets you apply up to four tonemapping operations "
0633 "called stages. Each **Stage** offers two parameters for you to tweak: "
0634 "**Power** and **Blur**. The former allows you to specify the desaturation "
0635 "level, while the latter lets you adjust the affected areas on the photo. To "
0636 "preview the result, hit the **Try** button. Once you are satisfied with the "
0637 "result, press **OK** to apply the process to the photo."
0638 msgstr ""
0639 
0640 #: ../../image_editor/enhancement_tools.rst:267
0641 msgid ""
0642 "While the Local Contrast tool may sound like an easy way to fix photos, you "
0643 "should use it with care: sometimes it can do more damage than good, "
0644 "producing unnaturally looking photos."
0645 msgstr ""
0646 
0647 #: ../../image_editor/enhancement_tools.rst:272
0648 msgid "Noise Reduction"
0649 msgstr ""
0650 
0651 #: ../../image_editor/enhancement_tools.rst:274
0652 msgid ""
0653 "digiKam The Noise Reduction is a powerful tool to reduce the image noise."
0654 msgstr ""
0655 
0656 #: ../../image_editor/enhancement_tools.rst:276
0657 msgid ""
0658 "This tool provides selectable image filters to remove specks or other "
0659 "artifacts caused by junk such as dust or hair on the lens. It also can be "
0660 "used to remove Sensor Noise from the camera that maybe caused by high ISO "
0661 "settings, as well as the so-called Moiré Patterns on scanned images from "
0662 "books or magazines."
0663 msgstr ""
0664 
0665 #: ../../image_editor/enhancement_tools.rst:278
0666 msgid ""
0667 "If you want more information about what's digital camera sensor noise, "
0668 "please take a look in `this tutorial <https://www.cambridgeincolour.com/"
0669 "tutorials/image-noise.htm/>`_."
0670 msgstr ""
0671 
0672 #: ../../image_editor/enhancement_tools.rst:284
0673 msgid "The Image Editor Noise Reduction Tool"
0674 msgstr ""
0675 
0676 #: ../../image_editor/enhancement_tools.rst:286
0677 msgid ""
0678 "The above screenshot shows a typical scene taken with an digital camera "
0679 "using a high sensitivity ISO setting. It shows grainy noise which can be "
0680 "reduced successfully with this tool."
0681 msgstr ""
0682 
0683 #: ../../image_editor/enhancement_tools.rst:288
0684 msgid ""
0685 "The re-sizeable image panel with the original preview helps you to pan "
0686 "within the image. Move the red rectangle around to select the area that lets "
0687 "you judge on the optimal filter settings. The preview window shows the "
0688 "filter output using the current settings. It can be rearranged in four "
0689 "different combinations as depicted in the icons below the original preview. "
0690 "This screenshot shows the first arrangement where the same cutout is shown "
0691 "for comparison. On the bottom of preview area, you can see **Zoom Factor** "
0692 "settings to magnify an area of the image."
0693 msgstr ""
0694 
0695 #: ../../image_editor/enhancement_tools.rst:290
0696 msgid "You can see below a full description of all parameters:"
0697 msgstr ""
0698 
0699 #: ../../image_editor/enhancement_tools.rst:292
0700 msgid ""
0701 "**Estimate Noise**: compute automatically all noise reduction settings by a "
0702 "parse of noise contained in image. By default it recommended to turn on this "
0703 "option and check the result. If reduction of noise is not enough efficient "
0704 "or damage the image, turn off this option, and adjust the **Luminance**, "
0705 "**Chrominance Blue**, and **Chrominance Red** settings manually."
0706 msgstr ""
0707 
0708 #: ../../image_editor/enhancement_tools.rst:294
0709 msgid ""
0710 "**Threshold**: use the slider for coarse adjustment, and the spin control "
0711 "for fine adjustment. The threshold is the value below which everything is "
0712 "considered noise. This value should be set so that edges and details are "
0713 "clearly visible and noise is smoothed out. These settings exists for the "
0714 "**Luminance**, **Chrominance Blue**, and **Chrominance Red** channels. "
0715 "Simply adjust it and watch the preview. Adjustment must be made carefully, "
0716 "because the gap between noisy, smooth, and blur is very small. Adjust it as "
0717 "carefully as you would adjust the focus of a camera."
0718 msgstr ""
0719 
0720 #: ../../image_editor/enhancement_tools.rst:296
0721 msgid ""
0722 "**Softness**: use the slider for coarse adjustment, and the spin control for "
0723 "fine adjustment. The softness adjusts the level of the thresholding (soft as "
0724 "opposed to hard thresholding). The higher the softness the more noise "
0725 "remains in the image. These settings exists for the **Luminance**, "
0726 "**Chrominance Blue**, and **Chrominance Red** channels. Simply adjust it and "
0727 "watch the preview. As for the Threshold settings, adjustment must be made "
0728 "carefully, because the gap between noisy, smooth, and blur is very small. "
0729 "Adjust it as carefully as you would adjust the focus of a camera."
0730 msgstr ""
0731 
0732 #: ../../image_editor/enhancement_tools.rst:298
0733 msgid ""
0734 "**Save As** and **Load**: these buttons are used to do just that. Any Noise "
0735 "Reduction parameters that you have set can be saved to the filesystem and "
0736 "loaded later."
0737 msgstr ""
0738 
0739 #: ../../image_editor/enhancement_tools.rst:300
0740 #: ../../image_editor/enhancement_tools.rst:510
0741 msgid "**Defaults**: this button resets all settings to default values."
0742 msgstr ""
0743 
0744 #: ../../image_editor/enhancement_tools.rst:305
0745 msgid "Blur Tool"
0746 msgstr ""
0747 
0748 #: ../../image_editor/enhancement_tools.rst:307
0749 msgid "The Blur Tool is dedicated to soft an image."
0750 msgstr ""
0751 
0752 #: ../../image_editor/enhancement_tools.rst:309
0753 msgid ""
0754 "Sometimes an image is too crisp for your purposes. The solution is to blur "
0755 "it a bit: fortunately blurring an image is much easier than sharpening it. "
0756 "Select the **Blur Tool** with the :menuselection:`Enhance --> Blur` menu "
0757 "entry and experiment with the level. The preview window on the right of the "
0758 "dialog shows the effect of the operation on your photograph."
0759 msgstr ""
0760 
0761 #: ../../image_editor/enhancement_tools.rst:315
0762 msgid "The Image Editor Blur Tool"
0763 msgstr ""
0764 
0765 #: ../../image_editor/enhancement_tools.rst:320
0766 msgid "Photograph Restoration"
0767 msgstr ""
0768 
0769 #: ../../image_editor/enhancement_tools.rst:322
0770 msgid ""
0771 "digiKam The Photograph Restoration is definitely one of the most advanced "
0772 "tools to reduce photograph artifacts."
0773 msgstr ""
0774 
0775 #: ../../image_editor/enhancement_tools.rst:324
0776 msgid ""
0777 "This fantastic restoration filter is a development providing unprecedented "
0778 "possibilities in the public domain to remove lots of unwanted stuff from "
0779 "your images. It is well adapted to deal with degraded images suffering from "
0780 "Gaussian noise, film grain, scratches or compression artifacts and local "
0781 "degradations usually encountered in digital (original or digitized) images. "
0782 "The smoothing happens along the image curvatures, thus preserving the "
0783 "meaningful content much alike our human eye would want it."
0784 msgstr ""
0785 
0786 #: ../../image_editor/enhancement_tools.rst:330
0787 msgid "The Image Editor Restoration Tool"
0788 msgstr ""
0789 
0790 #: ../../image_editor/enhancement_tools.rst:332
0791 msgid ""
0792 "The tool comes with several presets as starting points and to simplify the "
0793 "restoration. The preset settings available are listed below:"
0794 msgstr ""
0795 
0796 #: ../../image_editor/enhancement_tools.rst:334
0797 msgid ""
0798 "**None**: Using most common default filter settings not optimized for any "
0799 "particular purpose."
0800 msgstr ""
0801 
0802 #: ../../image_editor/enhancement_tools.rst:336
0803 msgid ""
0804 "**Reduce Uniform Noise**: Optimum settings for image noise due to sensors."
0805 msgstr ""
0806 
0807 #: ../../image_editor/enhancement_tools.rst:338
0808 msgid ""
0809 "**Reduce JPEG Artifacts**: JPEG's compression is not perfect, in fact for "
0810 "some types of images it is far from it. As a lossy compression algorithm, "
0811 "there are some compression \"artifacts\" - slight defaults showing in the "
0812 "decompressed image. This setting aims at correcting this problem."
0813 msgstr ""
0814 
0815 #: ../../image_editor/enhancement_tools.rst:340
0816 msgid ""
0817 "**Reduce Texturing**: Optimized to remove artifacts from scanning, "
0818 "digitizing or Moire patterns."
0819 msgstr ""
0820 
0821 #: ../../image_editor/enhancement_tools.rst:342
0822 msgid ""
0823 "If you want to set filter parameters for finer adjustments, use **General** "
0824 "and **Advanced Settings** tabs:"
0825 msgstr ""
0826 
0827 #: ../../image_editor/enhancement_tools.rst:348
0828 msgid "The Image Editor Restoration Tool Preset Settings"
0829 msgstr ""
0830 
0831 #: ../../image_editor/enhancement_tools.rst:350
0832 msgid ""
0833 "**Detail Preservation** p [0, 100]: this controls the preservation of the "
0834 "curvatures (features). A low value forces an equal smoothing across the "
0835 "image, whereas bigger values preferably smooth the homogeneous regions and "
0836 "leaves the details sharper. A value of 0.9 should well preserve details so "
0837 "that no sharpening is required afterwards. Note that **Detail Preservation** "
0838 "must be always inferior to **Anisotropy**."
0839 msgstr ""
0840 
0841 #: ../../image_editor/enhancement_tools.rst:352
0842 msgid ""
0843 "**Anisotropy alpha** [0, 100]: a low value smooths equally in all "
0844 "directions, whereas a value close to 1 smooths in one direction only. If you "
0845 "have film grain or CCD kind of noise a high value will result in wave-like "
0846 "pattern, whereas JPEG artifacts are suited for values close to 1."
0847 msgstr ""
0848 
0849 #: ../../image_editor/enhancement_tools.rst:354
0850 msgid ""
0851 "**Smoothing** [0, 500]: this sets the maximum overall smoothing factor (when "
0852 "p defines the relative smoothing). Set it according to the noise level."
0853 msgstr ""
0854 
0855 #: ../../image_editor/enhancement_tools.rst:356
0856 msgid ""
0857 "**Regularity** [0, 100]: this parameter is concerned with the uniformity of "
0858 "the smoothing. Imagine the smoothing process as a combing of the image. Then "
0859 "the Regularity would correspond to the size of the comb. The bigger this "
0860 "value, the more even the overall smoothing will be. This is necessary when "
0861 "much noise is present since it is then difficult to estimate the local "
0862 "geometry. Also if you want to achieve a 'van Gogh' turbulence effect, "
0863 "setting it higher than 3 is recommended."
0864 msgstr ""
0865 
0866 #: ../../image_editor/enhancement_tools.rst:358
0867 msgid ""
0868 "**Filter Iterations**: number of times the blurring algorithm is applied. "
0869 "Usually 1 or 2 is sufficient."
0870 msgstr ""
0871 
0872 #: ../../image_editor/enhancement_tools.rst:364
0873 msgid "The Image Editor Restoration Tool Advanced Settings"
0874 msgstr ""
0875 
0876 #: ../../image_editor/enhancement_tools.rst:366
0877 msgid ""
0878 "**Angular Step** da [5, 90]: angular integration of the anisotropy alpha. If "
0879 "alpha is chosen small, da should also be chosen small. But beware, small "
0880 "angles result in long runs! Choose it as large as you can accept."
0881 msgstr ""
0882 
0883 #: ../../image_editor/enhancement_tools.rst:368
0884 msgid ""
0885 "**Integral Step** [0.1, 10]: spatial integration step width in terms of "
0886 "pixels. Should remain less than 1 (sub-pixel smoothing) and never be higher "
0887 "than 2."
0888 msgstr ""
0889 
0890 #: ../../image_editor/enhancement_tools.rst:370
0891 msgid ""
0892 "**Use Linear Interpolation**: The gain in quality if you select this option "
0893 "is only marginal and you lose a factor of 2 in speed. Our recommendation is "
0894 "to leave it off."
0895 msgstr ""
0896 
0897 #: ../../image_editor/enhancement_tools.rst:372
0898 msgid ""
0899 "**Save As** and **Load** buttons are used to do just that. Any Photograph "
0900 "Restoration filter settings that you have set can be saved to the filesystem "
0901 "in a text file and loaded later."
0902 msgstr ""
0903 
0904 #: ../../image_editor/enhancement_tools.rst:376
0905 msgid ""
0906 "Photograph restoration is (comparatively) very fast in what it is doing, but "
0907 "it can take a long time to run and cause high CPU load. You may always abort "
0908 "computation by pressing **Abort** button during preview rendering."
0909 msgstr ""
0910 
0911 #: ../../image_editor/enhancement_tools.rst:381
0912 msgid "Remove Red Eyes"
0913 msgstr ""
0914 
0915 #: ../../image_editor/enhancement_tools.rst:383
0916 msgid ""
0917 "Red eyes are caused when the camera flashlight is used to take photographs "
0918 "of people. The red is the reflection from the back of the eye which can be "
0919 "seen because the pupil cannot react quickly enough to the flash. By the way, "
0920 "with a separate flash light the red eye effect is less likely because of the "
0921 "different viewing angle of flash and lens. You can correct some of the worst "
0922 "effect of Red Eye by selecting the area of the eye on the photograph, in the "
0923 "same way as described for cropping above. Then select :menuselection:"
0924 "`Enhance --> Red Eye Reduction`."
0925 msgstr ""
0926 
0927 #: ../../image_editor/enhancement_tools.rst:385
0928 msgid "How it works"
0929 msgstr ""
0930 
0931 #: ../../image_editor/enhancement_tools.rst:387
0932 msgid ""
0933 "Set the preview mode to your liking. Adjust region of image to the eyes of "
0934 "face to fix."
0935 msgstr ""
0936 
0937 #: ../../image_editor/enhancement_tools.rst:389
0938 msgid ""
0939 "A neural network engine parse the image contents to localize automatically "
0940 "eyes and the red pupils."
0941 msgstr ""
0942 
0943 #: ../../image_editor/enhancement_tools.rst:391
0944 msgid ""
0945 "The **Red Level** setting adjusts the amount of red eyes removal, in "
0946 "aggressive mode or not."
0947 msgstr ""
0948 
0949 #: ../../image_editor/enhancement_tools.rst:397
0950 msgid "The Image Editor Red Eyes Removal"
0951 msgstr ""
0952 
0953 #: ../../image_editor/enhancement_tools.rst:402
0954 msgid "Image Sharpening"
0955 msgstr ""
0956 
0957 #: ../../image_editor/enhancement_tools.rst:407
0958 msgid ""
0959 "digiKam provides three different tools for sharpening, with each having "
0960 "merits in a different area."
0961 msgstr ""
0962 
0963 #: ../../image_editor/enhancement_tools.rst:409
0964 msgid ""
0965 "**Simple Sharp** is a traditional sharpening tool, which is very fast and "
0966 "easy, but may quickly produce grainy images, in particular in dark areas."
0967 msgstr ""
0968 
0969 #: ../../image_editor/enhancement_tools.rst:411
0970 msgid ""
0971 "**Unsharp Mask** works on the edge contrast to make an image appear sharper, "
0972 "but it actually does not sharpen at all, it works rather psychovisually. It "
0973 "can be used to remove atmospheric haze, and here it does a real good job. "
0974 "The algorithm was taken from the Gimp, and it is copyrighted by Winston "
0975 "Chang."
0976 msgstr ""
0977 
0978 #: ../../image_editor/enhancement_tools.rst:413
0979 msgid ""
0980 "**Refocus** is probably the best of the three because it actually improves "
0981 "sharpness. It is a bit more involved in its application as is has several "
0982 "parameters to play with."
0983 msgstr ""
0984 
0985 #: ../../image_editor/enhancement_tools.rst:415
0986 msgid ""
0987 "Out-of-focus photographs, as well as most digitized images, need correction "
0988 "of sharpness. This is due to the digitizing process that must chop up a "
0989 "color continuum in points with slightly different colors: elements thinner "
0990 "than sampling frequency will be averaged into an uniform color. Thus, sharp "
0991 "borders are rendered a little blurred. The same phenomenon appears when "
0992 "printing color dots on paper. SLR cameras need even more sharpening on a "
0993 "regular basis than consumer cameras."
0994 msgstr ""
0995 
0996 #: ../../image_editor/enhancement_tools.rst:417
0997 msgid ""
0998 "Whereas JPEG images have some camera-internal sharpening applied, RAW format "
0999 "images always need sharpening in their workflow."
1000 msgstr ""
1001 
1002 #: ../../image_editor/enhancement_tools.rst:419
1003 msgid ""
1004 "Some scanners apply a sharpen filter while scanning. It's worth to disable "
1005 "it so that you keep control over your image."
1006 msgstr ""
1007 
1008 #: ../../image_editor/enhancement_tools.rst:422
1009 msgid "Adjusting Sharpness"
1010 msgstr ""
1011 
1012 #: ../../image_editor/enhancement_tools.rst:424
1013 msgid ""
1014 "If the camera focus is not set perfectly or if the camera is moving when the "
1015 "image is taken the result is a blurred photograph. If there is a lot of "
1016 "blurring, you probably will not be able to do much about it with any "
1017 "technique. If there is only a moderate amount, you should be able to improve "
1018 "the image. Many good SLR cameras apply less image processing to the images "
1019 "than simpler cameras (which tend to artificially increase the contrast to "
1020 "make the images look crisp). This kind of slight blur can be easily improved "
1021 "with tools."
1022 msgstr ""
1023 
1024 #: ../../image_editor/enhancement_tools.rst:426
1025 msgid ""
1026 "In some situations, you may be able to get useful results by sharpening an "
1027 "photograph using the Sharpen tool by the :menuselection:`Enhance --> "
1028 "Sharpen` menu entry and the **Sharpen** option from **Method** setting."
1029 msgstr ""
1030 
1031 #: ../../image_editor/enhancement_tools.rst:432
1032 msgid "The Image Editor Sharpen Tool"
1033 msgstr ""
1034 
1035 #: ../../image_editor/enhancement_tools.rst:434
1036 msgid ""
1037 "You should be careful with this though, or the results will not look very "
1038 "natural: sharpening increases the apparent sharpness of edges in the "
1039 "photograph, but also amplifies noise. Generally, the most useful technique "
1040 "for sharpening a fuzzy photograph is the Refocus tool. You can access it "
1041 "with the **Refocus** option from **Method** setting. Look at Refocus for "
1042 "more information and a comparison of all the sharpening techniques."
1043 msgstr ""
1044 
1045 #: ../../image_editor/enhancement_tools.rst:437
1046 msgid "Reducing Graininess In a Photograph"
1047 msgstr ""
1048 
1049 #: ../../image_editor/enhancement_tools.rst:439
1050 msgid ""
1051 "When you take a photograph in low-light conditions or with a very fast "
1052 "exposure time, the camera does not get enough data to make good estimates of "
1053 "the true color at each pixel, and consequently the resulting photograph "
1054 "looks grainy. You can \"smooth out\" the graininess by blurring the image, "
1055 "but then you will also lose sharpness. Probably the best approach - if the "
1056 "graininess is not too bad - is to use the filter **Noise Reduction** tool, "
1057 "and you can access it by the :menuselection:`Enhance --> Noise Reduction` "
1058 "menu entry."
1059 msgstr ""
1060 
1061 #: ../../image_editor/enhancement_tools.rst:442
1062 msgid "Softening a Photograph"
1063 msgstr ""
1064 
1065 #: ../../image_editor/enhancement_tools.rst:444
1066 msgid ""
1067 "Sometimes you have the opposite problem: an image is too crisp. The solution "
1068 "is to blur it a bit: fortunately blurring an image is much easier than "
1069 "sharpening it. Select the **Blur Tool** with the :menuselection:`Enhance --> "
1070 "Blur` menu entry and experiment with the level. The preview window on the "
1071 "right of the dialog shows the effect of the operation on your photograph."
1072 msgstr ""
1073 
1074 #: ../../image_editor/enhancement_tools.rst:447
1075 msgid "The Unsharp Mask Filter"
1076 msgstr ""
1077 
1078 #: ../../image_editor/enhancement_tools.rst:451
1079 msgid ""
1080 "The **Unsharp Mask** filter is an excellent tool to remove haze from your "
1081 "photographs."
1082 msgstr ""
1083 
1084 #: ../../image_editor/enhancement_tools.rst:457
1085 msgid "The Image Editor Unsharpen Mask Tool"
1086 msgstr ""
1087 
1088 #: ../../image_editor/enhancement_tools.rst:459
1089 #: ../../image_editor/enhancement_tools.rst:484
1090 msgid ""
1091 "The image panel and the original preview help you to pan within the image. "
1092 "The preview window shows the filter output using the current settings."
1093 msgstr ""
1094 
1095 #: ../../image_editor/enhancement_tools.rst:461
1096 msgid ""
1097 "There are two important parameters, **Radius** and **Amount**. The default "
1098 "values often work pretty well, so you should try them first. Increasing "
1099 "either the **Radius** or the **Amount** increases the strength of the "
1100 "effect. Don't get carried away, though: if you make the unsharp mask too "
1101 "strong, it will amplify noise in the image and create the impressions of "
1102 "ridges next to sharp edges."
1103 msgstr ""
1104 
1105 #: ../../image_editor/enhancement_tools.rst:463
1106 msgid ""
1107 "The **Radius** allows you to set how many pixels on either side of an edge "
1108 "that will be affected by sharpening. High resolution images allow higher "
1109 "radius. You'd better always sharpen an image at its final resolution."
1110 msgstr ""
1111 
1112 #: ../../image_editor/enhancement_tools.rst:465
1113 msgid ""
1114 "The **Amount** control is the percentage of the difference between the "
1115 "original and the blur image that is added back into the original. It allows "
1116 "you to set strength of sharpening."
1117 msgstr ""
1118 
1119 #: ../../image_editor/enhancement_tools.rst:467
1120 msgid ""
1121 "The **Threshold** control is a fraction of the maximum RGB value, needed to "
1122 "apply the difference amount. It allows you to set the minimum difference in "
1123 "pixel values that indicates an edge where sharpening should be applied. That "
1124 "way, you can protect areas of smooth tonal transition from sharpening, and "
1125 "avoid creation of blemishes in face, sky or water surface."
1126 msgstr ""
1127 
1128 #: ../../image_editor/enhancement_tools.rst:470
1129 msgid "Refocus a Photograph"
1130 msgstr ""
1131 
1132 #: ../../image_editor/enhancement_tools.rst:472
1133 msgid ""
1134 "The Refocus is a tool to refocus an image by enhancing the sharpness. It "
1135 "uses the deconvolution Filter algorithm."
1136 msgstr ""
1137 
1138 #: ../../image_editor/enhancement_tools.rst:474
1139 msgid ""
1140 "This tool attempts to \"refocus\" an image by undoing the defocussing. This "
1141 "is better than just trying to sharpen a photograph. It is employing a "
1142 "technique called FIR Wiener Filtering. The traditional technique for "
1143 "sharpening images is to use unsharp masking. Refocus generally produces "
1144 "better results than Unsharp masking. Start it from the :menuselection:"
1145 "`Enhance --> Sharpen` menu entry and **Refocus** option."
1146 msgstr ""
1147 
1148 #: ../../image_editor/enhancement_tools.rst:476
1149 msgid ""
1150 "The Refocus technique works differently from **Unsharp Mask** and is also "
1151 "unlike the **Sharpen** Filter which both increase the contrast of the edges "
1152 "of an image. Refocus rather reverses the process by which the image got "
1153 "blurred by the circular aperture of the camera. This method gives you as "
1154 "much of the original \"in focus\" image as possible. Refocus uses a very "
1155 "powerful deconvolution algorithm that will reclaim the data that has been "
1156 "mixed up. In mathematical terms, blurring is usually the result of a "
1157 "convolution, a deconvolution will reverse the process, this is exactly what "
1158 "Refocus is doing. Furthermore, the FIR filter technique allows to remove "
1159 "much of the noise and granularity that often gets accentuated in the "
1160 "sharpening process of all sharpening filters."
1161 msgstr ""
1162 
1163 #: ../../image_editor/enhancement_tools.rst:482
1164 msgid "The Image Editor Refocus Tool"
1165 msgstr ""
1166 
1167 #: ../../image_editor/enhancement_tools.rst:486
1168 msgid ""
1169 "In most cases (blurring by camera) a circular convolution caused the image "
1170 "degradation, but there are two convolutions available:"
1171 msgstr ""
1172 
1173 #: ../../image_editor/enhancement_tools.rst:488
1174 msgid ""
1175 "The **Circular convolution**: this one spreads each source point uniformly "
1176 "across a small disk with a fixed radius. Technically this describes the "
1177 "effects of using a (ideal) lens that is not correctly focused."
1178 msgstr ""
1179 
1180 #: ../../image_editor/enhancement_tools.rst:490
1181 msgid ""
1182 "The **Gaussian convolution**: this one is mathematically similar to the "
1183 "normal distribution, with its bell-shaped curve. Originates rather from "
1184 "unnatural blurring (software blurring). From a theoretical point of view the "
1185 "mathematical justification for using the Gaussian convolution is that when "
1186 "you a apply a large number of independent random convolutions the results "
1187 "will always approach a Gaussian convolution."
1188 msgstr ""
1189 
1190 #: ../../image_editor/enhancement_tools.rst:492
1191 msgid ""
1192 "The refocus tool supports both the Circular and the Gaussian convolution "
1193 "plus mixtures of both."
1194 msgstr ""
1195 
1196 #: ../../image_editor/enhancement_tools.rst:494
1197 msgid ""
1198 "In practice, in most cases the Circular convolution works much better than "
1199 "the Gaussian convolution. The Gaussian convolution has a very long tail, so "
1200 "mathematically the result of the convolution also depends on source pixels "
1201 "at a large distance from the original source pixel. The FIR Wiener inverse "
1202 "of a Gaussian convolution in most cases is heavily influenced by source "
1203 "pixels at a large distances, and in most cases this produces undesirable "
1204 "results."
1205 msgstr ""
1206 
1207 #: ../../image_editor/enhancement_tools.rst:496
1208 msgid ""
1209 "To set correctly the deconvolution filter, the plug-in has the following "
1210 "parameters:"
1211 msgstr ""
1212 
1213 #: ../../image_editor/enhancement_tools.rst:498
1214 msgid ""
1215 "**Circular Sharpness**: This is the radius of the Circular convolution "
1216 "filter. It is the most important parameter for using the plug-in. With most "
1217 "images the default value of 1 should give good results. Select a higher "
1218 "value when your image is very blurred, but beware of producing halos."
1219 msgstr ""
1220 
1221 #: ../../image_editor/enhancement_tools.rst:500
1222 msgid ""
1223 "**Correlation**: Increasing the Correlation may help reducing artifacts. The "
1224 "correlation can range from 0-1. Useful values are 0.5 and values close to 1, "
1225 "e.g. 0.95 and 0.99. Using a high value for the correlation will reduce the "
1226 "sharpening effect of the plug-in."
1227 msgstr ""
1228 
1229 #: ../../image_editor/enhancement_tools.rst:502
1230 msgid ""
1231 "**Noise filter**: Increasing the Noise filter parameter helps reducing "
1232 "artifacts. The Noise can range from 0-1 but values higher than 0.1 are "
1233 "rarely helpful. When the Noise value is too low, e.g. 0 the image quality "
1234 "will be horrible. A useful value is 0.03. Using a high value for the Noise "
1235 "will even blur the image further."
1236 msgstr ""
1237 
1238 #: ../../image_editor/enhancement_tools.rst:504
1239 msgid ""
1240 "**Gaussian Sharpness**: This is the radius for the Gaussian convolution "
1241 "filter. Use this parameter when your blurring is Gaussian (mostly due to "
1242 "previous blur filtering). In most cases you should leave this parameter to "
1243 "0, because it causes nasty artifacts. When you use non-zero values you will "
1244 "probably have to increase the Correlation and/or Noise filter parameters, "
1245 "too."
1246 msgstr ""
1247 
1248 #: ../../image_editor/enhancement_tools.rst:506
1249 msgid ""
1250 "**Matrix size**: This parameter determines the size of the transformation "
1251 "matrix. Increasing the Matrix Size may give better results, especially when "
1252 "you have chosen large values for Circular Sharpness or Gaussian Sharpness. "
1253 "Note that the plug-in will become very slow when you select large values for "
1254 "this parameter. In most cases you should select a value in the range 3-10."
1255 msgstr ""
1256 
1257 #: ../../image_editor/enhancement_tools.rst:508
1258 msgid ""
1259 "**Save As** and **Load**: these buttons are used to do just that. Any "
1260 "Refocus parameters that you have set can be saved to the filesystem and "
1261 "loaded later."
1262 msgstr ""
1263 
1264 #: ../../image_editor/enhancement_tools.rst:512
1265 msgid "Below, you can see few hints to help you work with the refocus tool:"
1266 msgstr ""
1267 
1268 #: ../../image_editor/enhancement_tools.rst:514
1269 msgid ""
1270 "Preferably perform all cropping, color and intensity curve corrections on "
1271 "the image before using this plug-in."
1272 msgstr ""
1273 
1274 #: ../../image_editor/enhancement_tools.rst:516
1275 msgid ""
1276 "Otherwise use this plug-in before performing any other operations on the "
1277 "image. The reason is that many operations on the image will leave boundaries "
1278 "that are not immediately visible but that will leave nasty artifacts."
1279 msgstr ""
1280 
1281 #: ../../image_editor/enhancement_tools.rst:518
1282 msgid ""
1283 "When you are scanning images and compress them, e.g. to JPEG, you should use "
1284 "the plug-in on the uncompressed image."
1285 msgstr ""
1286 
1287 #: ../../image_editor/enhancement_tools.rst:521
1288 msgid "Refocus Comparison with Other Techniques"
1289 msgstr ""
1290 
1291 #: ../../image_editor/enhancement_tools.rst:523
1292 msgid ""
1293 "Comparison to two other techniques frequently used to enhance images are:"
1294 msgstr ""
1295 
1296 #: ../../image_editor/enhancement_tools.rst:525
1297 msgid "**Simple Sharp** Filter."
1298 msgstr ""
1299 
1300 #: ../../image_editor/enhancement_tools.rst:526
1301 msgid "**Unsharp Mask**."
1302 msgstr ""
1303 
1304 #: ../../image_editor/enhancement_tools.rst:528
1305 msgid ""
1306 "Sharpening applies a small convolution matrix that increases the difference "
1307 "between a source pixel and its immediate neighbors. FIR Wiener filtering is "
1308 "a more general technique because it allows a much larger neighborhood and "
1309 "better parameterizations. Sharpening only works when your images are very "
1310 "slightly blurred. Furthermore, for high values of the sharpening parameter "
1311 "the results frequently looks \"noisy\". With FIR Wiener filtering this noise "
1312 "can be greatly reduced by selecting higher values for the **Correlation** "
1313 "and **Noise filter** parameters."
1314 msgstr ""
1315 
1316 #: ../../image_editor/enhancement_tools.rst:530
1317 msgid ""
1318 "Unsharp masking is another very popular image enhancement technique. From a "
1319 "mathematical point of view its justification is a bit obscure but many "
1320 "people are very fond of it. The first step is to create a blurred copy of "
1321 "the source image. Then the difference between the source image and the "
1322 "blurred image is subtracted from the source image, hence the name unsharp "
1323 "masking. If fact, unsharp masking is more of a contrast enhancement on the "
1324 "important image feature than a sharpening. It does not undo the aperture "
1325 "pattern interference of the camera diaphragm as refocus does."
1326 msgstr ""
1327 
1328 #: ../../image_editor/enhancement_tools.rst:532
1329 msgid ""
1330 "In general, unsharp masking produces better results than sharpening. This is "
1331 "probably caused by the fact that unsharp masking uses a larger neighborhood "
1332 "than sharpening."
1333 msgstr ""
1334 
1335 #: ../../image_editor/enhancement_tools.rst:534
1336 msgid ""
1337 "From a theoretical point of view unsharp masking must always introduce "
1338 "artifacts. Even under optimal circumstances it can never completely undo the "
1339 "effect of blurring. For Wiener filtering it is possible to prove that it is "
1340 "the optimal linear filter. In practice, in all cases the results of the FIR "
1341 "Wiener filter were at least as good as those of unsharp masking. The FIR "
1342 "Wiener filter is frequently better in restoring small details."
1343 msgstr ""
1344 
1345 #: ../../image_editor/enhancement_tools.rst:536
1346 msgid ""
1347 "Below, you can see a comparison of different filter apply on a small "
1348 "unfocused image:"
1349 msgstr ""
1350 
1351 #: ../../image_editor/enhancement_tools.rst:543
1352 msgid ""
1353 "Original blurred color image to fix. This image have been taken with an "
1354 "analog still camera. The unfocusing result of an insufficient light for the "
1355 "auto-focus lens."
1356 msgstr ""
1357 
1358 #: ../../image_editor/enhancement_tools.rst:552
1359 msgid "Fixed image using simple sharpening filter. Sharpness setting is 80."
1360 msgstr ""
1361 
1362 #: ../../image_editor/enhancement_tools.rst:560
1363 msgid ""
1364 "Fixed image using unsharp mask filter. Settings are: Radius=50, Amount = 5, "
1365 "and Threshold=0."
1366 msgstr ""
1367 
1368 #: ../../image_editor/enhancement_tools.rst:568
1369 msgid ""
1370 "Fixed image using Refocus filter. Settings are: Circular Sharpness=1.3, "
1371 "Correlation=0.5, Noise Filter=0.020, Gaussian Sharpness=0 and Matrix Size=5."
1372 msgstr ""
1373 
1374 #: ../../image_editor/enhancement_tools.rst:574
1375 msgid ""
1376 "For more information about correction of sharpness methods used in digital "
1377 "imagery, you can find a technical comparison at `this url <http://www.optarc."
1378 "co.uk/bialith//Research/BARclockblur.htm>`_."
1379 msgstr ""
1380 
1381 #: ../../image_editor/enhancement_tools.rst:579
1382 msgid "Healing Clone Tool"
1383 msgstr ""
1384 
1385 #: ../../image_editor/enhancement_tools.rst:581
1386 msgid ""
1387 "The healing tool aims to copy pixel colors from a specific portion of the "
1388 "image, and paste them in another portion of the image using a brush, then "
1389 "apply smoothing. This helps fix artifacts in images, like unwanted spots on "
1390 "someone’s face that can be replaced with more clear skin from a close region "
1391 "of face."
1392 msgstr ""
1393 
1394 #: ../../image_editor/enhancement_tools.rst:583
1395 msgid ""
1396 "The tool settings view on the right side provide a toolbar with 5 buttons. "
1397 "From left to right:"
1398 msgstr ""
1399 
1400 #: ../../image_editor/enhancement_tools.rst:585
1401 msgid "Select Source Point."
1402 msgstr ""
1403 
1404 #: ../../image_editor/enhancement_tools.rst:586
1405 msgid "Polygon Selection With Lasso."
1406 msgstr ""
1407 
1408 #: ../../image_editor/enhancement_tools.rst:587
1409 msgid "Move Image."
1410 msgstr ""
1411 
1412 #: ../../image_editor/enhancement_tools.rst:588
1413 msgid "Undo clone operation."
1414 msgstr ""
1415 
1416 #: ../../image_editor/enhancement_tools.rst:589
1417 msgid "Redo clone operation."
1418 msgstr ""
1419 
1420 #: ../../image_editor/enhancement_tools.rst:591
1421 msgid ""
1422 "Below the toolbar, two sliders allows to tune the clone tool properties. "
1423 "First one select the **Brush Radius** to adjust the size of cloned area from "
1424 "the canvas. A radius of 0 has no effect, 1 and above determine the brush "
1425 "radius configuring the size of parts copied in the image."
1426 msgstr ""
1427 
1428 #: ../../image_editor/enhancement_tools.rst:593
1429 msgid ""
1430 "Second one is the amount of **Radius Blur** effect in percent applied on "
1431 "data cloned over the canvas. A percent of 0 has no effect, values above 0 "
1432 "represent a factor for mixing the destination color with source color this "
1433 "is done radially i.e. the inner part of the brush radius is totally from "
1434 "source and mixing with destination is done gradually till the outer part of "
1435 "the circle."
1436 msgstr ""
1437 
1438 #: ../../image_editor/enhancement_tools.rst:599
1439 msgid "The Image Editor Healing Clone Tool to Remove Unwanted Artifacts"
1440 msgstr ""
1441 
1442 #: ../../image_editor/enhancement_tools.rst:601
1443 msgid ""
1444 "To select the source of image to clone, press **S**, or the **Source "
1445 "selection** button from the toolbar on the top of settings view. The cursor "
1446 "will change to aim-shape, to let you decide the central source button where "
1447 "you will start cloning from."
1448 msgstr ""
1449 
1450 #: ../../image_editor/enhancement_tools.rst:608
1451 msgid ""
1452 "Screencast of Image Editor Healing Clone Fixing an Artifact with Spot Tool"
1453 msgstr ""
1454 
1455 #: ../../image_editor/enhancement_tools.rst:610
1456 msgid ""
1457 "The tool provide also a **Lasso** and **Polygon** selector for the healing "
1458 "clone operations. You can either press :kbd:`L` or the **Lasso selector** "
1459 "button from the toolbar on the top of settings view. The cursor will change "
1460 "to a pen shape, and you can select discrete points as you like. The polygon "
1461 "edges will be drawn, you just need to press and move your mouse to complete "
1462 "the selection form. You don’t have to draw all the region in one time. The "
1463 "polygon will close on itself if you press :kbd:`L` again."
1464 msgstr ""
1465 
1466 #: ../../image_editor/enhancement_tools.rst:612
1467 msgid ""
1468 "Now only cloning inside the selected region will happens, cloning outside "
1469 "will be ignored, unless you press :kbd:`L` again or :kbd:`Esc` to deactivate "
1470 "the lasso mode. Once you do that, you can clone anywhere in the screen as "
1471 "usual. Also pressing :kbd:`Esc` while in the process of drawing the lasso "
1472 "polygon will cancel the lasso operation. Here is a screenshot of a lasso "
1473 "polygon selection, and a large portion of the image cloned inside this lasso "
1474 "portion. Of course pressing :kbd:`L` or :kbd:`Esc` again will remove the "
1475 "lasso boundary, keeping the cloned pixels in place, as expected."
1476 msgstr ""
1477 
1478 #: ../../image_editor/enhancement_tools.rst:619
1479 msgid "Screencast of Image Editor Healing Clone Fixing an Area Using Lasso"
1480 msgstr ""
1481 
1482 #: ../../image_editor/enhancement_tools.rst:621
1483 msgid ""
1484 "You can undo and redo using toolbar buttons from the toolbar on the top of "
1485 "settings view. Two keyboard shortcuts are assigned to the tool: :kbd:`Ctrl"
1486 "+Z` for undo and :kbd:`Ctrl+Shift+Z` for redo. You can undo and redo without "
1487 "limitation."
1488 msgstr ""
1489 
1490 #: ../../image_editor/enhancement_tools.rst:626
1491 msgid "G'MIC-Qt Tool"
1492 msgstr ""
1493 
1494 #: ../../image_editor/enhancement_tools.rst:628
1495 msgid ""
1496 "G'MIC-Qt is 3rd-party image editing tool provided as a plug-in. It is named "
1497 "**G'MIC** for **GREYC’s Magic for Image Computing**, `an open-source image "
1498 "processing framework <https://gmic.eu/>`_. The full list of G'MIC features "
1499 "is long and cannot be detailed here as it comes with over than 500 "
1500 "interesting functions to explore. It comes with filters for changing colors, "
1501 "creating patterns, adding artistic touches, repairing inconsistencies in "
1502 "pictures, rendering shapes, and much more. The plugin is highly "
1503 "customizable, with the ability to set favorites and even add your own "
1504 "filters."
1505 msgstr ""
1506 
1507 #: ../../image_editor/enhancement_tools.rst:630
1508 msgid ""
1509 "G'MIC-Qt is not included in the digiKam source code. Rather, it is a 3rd-"
1510 "party plugin included in binary distributions of digiKam, as the Windows, "
1511 "macOS, and Linux bundles. It can be started from the :menuselection:`Enhance "
1512 "--> G'MIC-Qt` menu entry or uses the icons from Tools in Right sidebar. "
1513 "G’MIC-Qt can be used as you do with other filters, the main difference is "
1514 "that instead of opening a specific filter tab on right sidebar, it opens up "
1515 "a window where you can pick through any of the pre-defined filters."
1516 msgstr ""
1517 
1518 #: ../../image_editor/enhancement_tools.rst:636
1519 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Bokeh Filter"
1520 msgstr ""
1521 
1522 #: ../../image_editor/enhancement_tools.rst:638
1523 msgid "The categories of **Available filters** in the list are listed below:"
1524 msgstr ""
1525 
1526 #: ../../image_editor/enhancement_tools.rst:640
1527 msgid ""
1528 "**About**: these entries are not filters, but just show different "
1529 "information about G'MIC-Qt on the settings view. The **About/Download "
1530 "External Data** entry allows to load new filter definitions via internet."
1531 msgstr ""
1532 
1533 #: ../../image_editor/enhancement_tools.rst:642
1534 msgid ""
1535 "**Array and tiles**: this filter collection allows transforming photos as "
1536 "toys, puzzles, maps, and decorative shapes."
1537 msgstr ""
1538 
1539 #: ../../image_editor/enhancement_tools.rst:648
1540 msgid ""
1541 "The Image Editor G'MIC-Qt Tool Running the Array-and-Tiles/Puzzle Filter"
1542 msgstr ""
1543 
1544 #: ../../image_editor/enhancement_tools.rst:650
1545 msgid ""
1546 "**Artistic**: this filter collection applies great traditional effects that "
1547 "seek to transform a photograph into a drawing or painting."
1548 msgstr ""
1549 
1550 #: ../../image_editor/enhancement_tools.rst:656
1551 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Rodilius Filter"
1552 msgstr ""
1553 
1554 #: ../../image_editor/enhancement_tools.rst:658
1555 msgid ""
1556 "**Black and White**: this filter collection is dedicated to processing "
1557 "images in gray-scale style, as usual to convert, process the invert to "
1558 "colorize, reduce the map, or simulate fusain drawing."
1559 msgstr ""
1560 
1561 #: ../../image_editor/enhancement_tools.rst:664
1562 msgid ""
1563 "The Image Editor G'MIC-Qt Tool Running the Black-and-White/Colorize Filter"
1564 msgstr ""
1565 
1566 #: ../../image_editor/enhancement_tools.rst:666
1567 msgid ""
1568 "**Colors**: this filter collection allows the user to define transformation "
1569 "functions operating in different color-spaces, apply LUTs, mix/adjust "
1570 "channels or correct tones by content analysis."
1571 msgstr ""
1572 
1573 #: ../../image_editor/enhancement_tools.rst:672
1574 msgid "The Image Editor G'MIC-Qt Tool Running the Colors/Mixer-Lab Filter"
1575 msgstr ""
1576 
1577 #: ../../image_editor/enhancement_tools.rst:674
1578 msgid ""
1579 "**Contours**: this filter collection applies the pixel's neighborhood local "
1580 "transformations over the whole photo."
1581 msgstr ""
1582 
1583 #: ../../image_editor/enhancement_tools.rst:680
1584 msgid "The Image Editor G'MIC-Qt Tool Running the Contours/Super-Pixels Filter"
1585 msgstr ""
1586 
1587 #: ../../image_editor/enhancement_tools.rst:682
1588 msgid ""
1589 "**Deformations**: this filter collection applies physical distortions to the "
1590 "photo."
1591 msgstr ""
1592 
1593 #: ../../image_editor/enhancement_tools.rst:688
1594 msgid ""
1595 "The Image Editor G'MIC-Qt Tool Running the Deformations/Drop Water Filter"
1596 msgstr ""
1597 
1598 #: ../../image_editor/enhancement_tools.rst:690
1599 msgid ""
1600 "**Degradations**: this filter collection reproduces photographic alterations "
1601 "such as blur, noise, grain, and lens aberrations."
1602 msgstr ""
1603 
1604 #: ../../image_editor/enhancement_tools.rst:696
1605 msgid ""
1606 "The Image Editor G'MIC-Qt Tool Running the Degradations/Chromatic-"
1607 "Aberrations Filter"
1608 msgstr ""
1609 
1610 #: ../../image_editor/enhancement_tools.rst:698
1611 msgid ""
1612 "**Details**: this filter collection enhances the details in your photos with "
1613 "an armada of multi-scale enhancement algorithms to bring out details and "
1614 "colors of different sizes in photos."
1615 msgstr ""
1616 
1617 #: ../../image_editor/enhancement_tools.rst:704
1618 msgid "The Image Editor G'MIC-Qt Tool Running the Details/Mighty Filter"
1619 msgstr ""
1620 
1621 #: ../../image_editor/enhancement_tools.rst:706
1622 msgid ""
1623 "**Frames**: one other artistic filter collection dedicated to decorating "
1624 "your photo with ornaments."
1625 msgstr ""
1626 
1627 #: ../../image_editor/enhancement_tools.rst:712
1628 msgid "The Image Editor G'MIC-Qt Tool Running the Frames/Droste Filter"
1629 msgstr ""
1630 
1631 #: ../../image_editor/enhancement_tools.rst:714
1632 msgid ""
1633 "**Frequencies**: this filter collection is based on Fourier Transforms "
1634 "analysis."
1635 msgstr ""
1636 
1637 #: ../../image_editor/enhancement_tools.rst:720
1638 msgid "The Image Editor G'MIC-Qt Tool Running the Frequencies/Bandpass Filter"
1639 msgstr ""
1640 
1641 #: ../../image_editor/enhancement_tools.rst:722
1642 msgid ""
1643 "**Layers**: this filter collection works on layers or export contents to "
1644 "separate layers. As layers are not supported by Image Editor, usage of these "
1645 "filters is limited."
1646 msgstr ""
1647 
1648 #: ../../image_editor/enhancement_tools.rst:728
1649 msgid ""
1650 "The Image Editor G'MIC-Qt Tool Running the Layers/Tiles-to-Layers Filter"
1651 msgstr ""
1652 
1653 #: ../../image_editor/enhancement_tools.rst:730
1654 msgid ""
1655 "**Lights and Shadows**: this filter collection allows adjustment of under-"
1656 "exposed and over-exposed contents from a photo. It's also possible to patch "
1657 "the image with a supplemental source of light."
1658 msgstr ""
1659 
1660 #: ../../image_editor/enhancement_tools.rst:736
1661 msgid ""
1662 "The Image Editor G'MIC-Qt Tool Running the Lights-and-Shadows/Pop-Shadows "
1663 "Filter"
1664 msgstr ""
1665 
1666 #: ../../image_editor/enhancement_tools.rst:738
1667 msgid ""
1668 "**Patterns**: this filter collection is a set of recursive image generation "
1669 "methods which can produce original and interesting geometric forms."
1670 msgstr ""
1671 
1672 #: ../../image_editor/enhancement_tools.rst:744
1673 msgid "The Image Editor G'MIC-Qt Tool Running the Patterns/Halftone Filter"
1674 msgstr ""
1675 
1676 #: ../../image_editor/enhancement_tools.rst:746
1677 msgid ""
1678 "**Renderings**: this filter collection superimposes generated artificial "
1679 "forms based on mathematical solutions."
1680 msgstr ""
1681 
1682 #: ../../image_editor/enhancement_tools.rst:752
1683 msgid "The Image Editor G'MIC-Qt Tool Running the Rendering/Lightning Filter"
1684 msgstr ""
1685 
1686 #: ../../image_editor/enhancement_tools.rst:754
1687 msgid ""
1688 "**Repair**: this filter collection includes advanced algorithms to help with "
1689 "image noise/glitch/objects/artifacts/compression removal. This kind of "
1690 "filter tries to fix very challenging problems that have occupied image-"
1691 "processing researchers for several generations."
1692 msgstr ""
1693 
1694 #: ../../image_editor/enhancement_tools.rst:760
1695 msgid ""
1696 "The Image Editor G'MIC-Qt Tool Running the Repair/Denoise Filter based on "
1697 "convolutional neural networks"
1698 msgstr ""
1699 
1700 #: ../../image_editor/enhancement_tools.rst:762
1701 msgid "**Sequences**: this filters collection generates animation from photos."
1702 msgstr ""
1703 
1704 #: ../../image_editor/enhancement_tools.rst:768
1705 msgid ""
1706 "The Image Editor G'MIC-Qt Tool Running the Sequences/3D_Image-Object Filter"
1707 msgstr ""
1708 
1709 #: ../../image_editor/enhancement_tools.rst:770
1710 msgid ""
1711 "**Silhouettes**: this filter collection superimposes forms such as animal "
1712 "finger-print, icons, nature shapes, etc."
1713 msgstr ""
1714 
1715 #: ../../image_editor/enhancement_tools.rst:776
1716 msgid ""
1717 "The Image Editor G'MIC-Qt Tool Running the Silhouettes/Nature/Barnsley-Fern "
1718 "Filter"
1719 msgstr ""
1720 
1721 #: ../../image_editor/enhancement_tools.rst:778
1722 msgid "**Stereoscopic 3D**: this filter collection renders photos in relief."
1723 msgstr ""
1724 
1725 #: ../../image_editor/enhancement_tools.rst:784
1726 msgid ""
1727 "The Image Editor G'MIC-Qt Tool Running the Stereoscopic-3D/Stereo-Image "
1728 "Filter"
1729 msgstr ""
1730 
1731 #: ../../image_editor/enhancement_tools.rst:786
1732 msgid ""
1733 "**Testing**: this filter collection groups all tools under development. Take "
1734 "care: these filters can be unstable and give weird effects."
1735 msgstr ""
1736 
1737 #: ../../image_editor/enhancement_tools.rst:788
1738 msgid ""
1739 "**Various**: this filters collection groups tools which cannot be "
1740 "categorized in others collections. A G'MIC code editor can be found to "
1741 "create and test new filters."
1742 msgstr ""
1743 
1744 #: ../../image_editor/enhancement_tools.rst:794
1745 msgid "The Image Editor G'MIC-Qt Tool Running the Various/Custom-Code Filter"
1746 msgstr ""
1747 
1748 #: ../../image_editor/enhancement_tools.rst:796
1749 msgid ""
1750 "The default layout of G'MIC-Qt is quite simple (this can be changed in the "
1751 "G'MIC-Qt **Settings** dialog). See below the description of each pane:"
1752 msgstr ""
1753 
1754 #: ../../image_editor/enhancement_tools.rst:798
1755 msgid ""
1756 "On the left, there is the preview. With some filters, the whole image is "
1757 "displayed, and with other filters it will be shown a 100% crop detail, "
1758 "depending on the kind of effect that we are going to activate."
1759 msgstr ""
1760 
1761 #: ../../image_editor/enhancement_tools.rst:800
1762 msgid ""
1763 "In the middle, there is the useful search bar at the top, with a list of "
1764 "groups of effects below. Each group can be opened with a double click or by "
1765 "clicking the small arrow on the left of the name."
1766 msgstr ""
1767 
1768 #: ../../image_editor/enhancement_tools.rst:802
1769 msgid ""
1770 "On the right would appear the settings of the selected filter, if we had "
1771 "selected one below, to confirm the changes, there are the **Apply** and the "
1772 "**Ok** buttons. The **Cancel** button stops all current processing and "
1773 "returns to the Image Editor."
1774 msgstr ""
1775 
1776 #: ../../image_editor/enhancement_tools.rst:804
1777 msgid ""
1778 "You can search a filter using their groups, but the fastest way to find them "
1779 "is to use the **Search** bar at the top of the list. If the filter "
1780 "categories look a bit daunting, it's possible to add the most used filters "
1781 "in a favorites list and to apply a color tag using the filters tree-view "
1782 "context menu. On the bottom, the **Add Fave** button allows appending an "
1783 "entry in the first section named **Faves** on the list."
1784 msgstr ""
1785 
1786 #: ../../image_editor/enhancement_tools.rst:810
1787 msgid ""
1788 "The Image Editor G'MIC-Qt Tool Filters Tree-View and the Favorites Context "
1789 "Menu"
1790 msgstr ""
1791 
1792 #: ../../image_editor/enhancement_tools.rst:812
1793 msgid "For mostly all the G'MIC-Qt filters you can see these behaviors:"
1794 msgstr ""
1795 
1796 #: ../../image_editor/enhancement_tools.rst:814
1797 msgid ""
1798 "When you render the filter on whole data from Image Editor by pressing "
1799 "**Apply** or **Ok** buttons, the processing time can be quite long, with "
1800 "many megapixels images. If the computer is not powerful enough, time to "
1801 "process an image can take a while. A **Progress Bar** on the bottom of the "
1802 "G'MIC-Qt dialog will indicate the computation progress."
1803 msgstr ""
1804 
1805 #: ../../image_editor/enhancement_tools.rst:820
1806 msgid "The Image Editor G'MIC-Qt Tool Progress Bar"
1807 msgstr ""
1808 
1809 #: ../../image_editor/enhancement_tools.rst:822
1810 msgid ""
1811 "If a filter has many parameter settings, some may not be visible; use the "
1812 "scroll bar to access more settings. Also, it's possible to enlarge the G'MIC-"
1813 "Qt dialog if necessary, or switch to **Fullscreen** with the button on the "
1814 "bottom."
1815 msgstr ""
1816 
1817 #: ../../image_editor/enhancement_tools.rst:824
1818 msgid ""
1819 "Depending on the filter, some parameters can require many iterations on the "
1820 "image and increase processing time. Adjust the settings carefully, as the "
1821 "times can increase exponentially before seeing the result."
1822 msgstr ""
1823 
1824 #: ../../image_editor/enhancement_tools.rst:826
1825 msgid ""
1826 "The filter preview can be adjusted to compare the results before and after "
1827 "the effect. **Preview Type** settings are available in the parameters pane."
1828 msgstr ""
1829 
1830 #: ../../image_editor/enhancement_tools.rst:832
1831 msgid ""
1832 "The Image Editor G'MIC-Qt Tool Preview Type Settings From the Colors/Color-"
1833 "Blindness Filter"
1834 msgstr ""
1835 
1836 #: ../../image_editor/enhancement_tools.rst:834
1837 msgid ""
1838 "The **Settings** button on the bottom left will show the G'MIC-Qt "
1839 "configuration dialog with tree tabs:"
1840 msgstr ""
1841 
1842 #: ../../image_editor/enhancement_tools.rst:836
1843 msgid ""
1844 "First one is used to customize the G'MIC-Qt **Interface**, as the layout of "
1845 "the tool panes, the language to enable, the preview behavior, and the native "
1846 "dialog to use."
1847 msgstr ""
1848 
1849 #: ../../image_editor/enhancement_tools.rst:842
1850 msgid "The Image Editor G'MIC-Qt Tool Settings/Interface Dialog Tab"
1851 msgstr ""
1852 
1853 #: ../../image_editor/enhancement_tools.rst:844
1854 msgid ""
1855 "Second one to set up the **Filter sources**, such as where to take filter "
1856 "updates and where to store them on your computer."
1857 msgstr ""
1858 
1859 #: ../../image_editor/enhancement_tools.rst:850
1860 msgid "The Image Editor G'MIC-Qt Tool Settings/Filter-Sources Dialog Tab"
1861 msgstr ""
1862 
1863 #: ../../image_editor/enhancement_tools.rst:852
1864 msgid ""
1865 "The last one is to tune **Other** parameters, such as when to check for "
1866 "online updates, and the debug verbosity on the console (useful for filter "
1867 "developers)."
1868 msgstr ""
1869 
1870 #: ../../image_editor/enhancement_tools.rst:858
1871 msgid "The Image Editor G'MIC-Qt Tool Settings/Other Dialog Tab"
1872 msgstr ""
1873 
1874 #: ../../image_editor/enhancement_tools.rst:860
1875 msgid ""
1876 "It's suggested to explore all the available effects in G'MIC-Qt, as you can "
1877 "find interesting artistic solutions for your photo. See `this online review "
1878 "<https://jpfleury.github.io/gfo-demos/demos/fruits-400/index.html>`_ of all "
1879 "G'MIC-Qt filters for details."
1880 msgstr ""