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0001 #
0002 msgid ""
0003 msgstr ""
0004 "Project-Id-Version: Digikam Manual 8.0.0\n"
0005 "Report-Msgid-Bugs-To: \n"
0006 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0007 "PO-Revision-Date: 2022-12-29 18:31+0100\n"
0008 "Last-Translator: KDE Francophone <kde-francophone@kde.org>\n"
0009 "Language-Team: French <kde-francophone@kde.org>\n"
0010 "Language: fr\n"
0011 "MIME-Version: 1.0\n"
0012 "Content-Type: text/plain; charset=UTF-8\n"
0013 "Content-Transfer-Encoding: 8bit\n"
0014 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
0015 
0016 #: ../../image_editor/enhancement_tools.rst:1
0017 msgid "digiKam Image Editor Enhancement Tools"
0018 msgstr ""
0019 
0020 #: ../../image_editor/enhancement_tools.rst:1
0021 msgid ""
0022 "digiKam, documentation, user manual, photo management, open source, free, "
0023 "learn, easy, image, editor, healing, clone, lens, distortion, sharpen, blur, "
0024 "red, eyes, local, contrast, noise, reduction, hot, pixels, restoration, "
0025 "vignetting"
0026 msgstr ""
0027 
0028 #: ../../image_editor/enhancement_tools.rst:14
0029 msgid "Enhancement Tools"
0030 msgstr ""
0031 
0032 #: ../../image_editor/enhancement_tools.rst:16
0033 msgid "Contents"
0034 msgstr ""
0035 
0036 #: ../../image_editor/enhancement_tools.rst:21
0037 msgid "Lens Distortion Correction"
0038 msgstr ""
0039 
0040 #: ../../image_editor/enhancement_tools.rst:23
0041 msgid ""
0042 "The Lens Distortion is a tool to correct spherical lens aberrations on the "
0043 "photos."
0044 msgstr ""
0045 
0046 #: ../../image_editor/enhancement_tools.rst:25
0047 msgid ""
0048 "Barrel distortion is associated with wide angle (or minimal zoom) lenses. It "
0049 "causes the images to appear slightly spherical (curved outward) like a "
0050 "barrel. You can notice this when you have straight features close to the "
0051 "image's peripheral sides. Pincushion distortion is the opposite defect and "
0052 "is associated with Telephoto lenses (maximum zoom) or underwater images. The "
0053 "images appear pinched (bent inward) toward the center. The Pincushion is "
0054 "often less noticeable than barrel but are equally visible near the edges. "
0055 "These distortions can easily be eliminated without visible loss in quality "
0056 "with this tool."
0057 msgstr ""
0058 
0059 #: ../../image_editor/enhancement_tools.rst:29
0060 msgid ""
0061 "This tool treats the geometrical distortions. Chromatic aberrations will not "
0062 "be corrected by this tool. See the **Lens Auto Correction** tool instead."
0063 msgstr ""
0064 
0065 #: ../../image_editor/enhancement_tools.rst:31
0066 msgid ""
0067 "The following figures explain the main types of geometrical distortions:"
0068 msgstr ""
0069 
0070 #: ../../image_editor/enhancement_tools.rst:33
0071 msgid "(1): Pincushion distortion."
0072 msgstr ""
0073 
0074 #: ../../image_editor/enhancement_tools.rst:35
0075 msgid "(2): No distortion."
0076 msgstr ""
0077 
0078 #: ../../image_editor/enhancement_tools.rst:37
0079 msgid "(3): Barrel distortion."
0080 msgstr ""
0081 
0082 #: ../../image_editor/enhancement_tools.rst:43
0083 msgid "The Geometrical Distortion Types"
0084 msgstr ""
0085 
0086 #: ../../image_editor/enhancement_tools.rst:47
0087 msgid ""
0088 "A bit of explanation first. The geometrical corrections use 4th-order "
0089 "polynomial coefficients:"
0090 msgstr ""
0091 
0092 #: ../../image_editor/enhancement_tools.rst:49
0093 msgid ""
0094 "The 1st-order coefficient changes the size of the image. The tool calls this "
0095 "**Zoom**."
0096 msgstr ""
0097 
0098 #: ../../image_editor/enhancement_tools.rst:51
0099 msgid ""
0100 "The 2nd-order coefficient treats the main geometrical distortion of lenses "
0101 "and can correct the convex or concave shape of the image."
0102 msgstr ""
0103 
0104 #: ../../image_editor/enhancement_tools.rst:53
0105 msgid ""
0106 "The 3rd-order coefficient has a similar rounding effect but levels off "
0107 "towards the edges. This correction is not employed in the tool."
0108 msgstr ""
0109 
0110 #: ../../image_editor/enhancement_tools.rst:55
0111 msgid ""
0112 "The 4th-order coefficient corrects the far edges inversely to the 2nd-order "
0113 "rounding. Combining it with the 2nd-order correction the geometrical "
0114 "distortions can be almost completely eliminated."
0115 msgstr ""
0116 
0117 #: ../../image_editor/enhancement_tools.rst:61
0118 msgid "The Image Editor Lens Distortion Tool"
0119 msgstr ""
0120 
0121 #: ../../image_editor/enhancement_tools.rst:63
0122 msgid "Four sliders let you set the distortion correction filter:"
0123 msgstr ""
0124 
0125 #: ../../image_editor/enhancement_tools.rst:65
0126 msgid ""
0127 "**Main**: this value controls the amount of 2nd-order distortion. Negative "
0128 "values correct barrel distortions, while positive values correct pincushion "
0129 "distortion."
0130 msgstr ""
0131 
0132 #: ../../image_editor/enhancement_tools.rst:67
0133 msgid ""
0134 "**Edge**: this value controls the amount of 4th-order distortion. The Edge "
0135 "control has more effect at the edges of the image than at the center. For "
0136 "most lenses, the **Edge** parameter has the opposite sign of the **Main** "
0137 "parameter."
0138 msgstr ""
0139 
0140 #: ../../image_editor/enhancement_tools.rst:69
0141 msgid ""
0142 "**Zoom**: this value rescales the overall image size (1st-order correction). "
0143 "Negative values zoom out of the image, while positive values zoom in."
0144 msgstr ""
0145 
0146 #: ../../image_editor/enhancement_tools.rst:71
0147 msgid ""
0148 "**Brighten**: this control adjusts the brightness in image corners. Negative "
0149 "values decrease the brightness image corners, while positive values increase "
0150 "it."
0151 msgstr ""
0152 
0153 #: ../../image_editor/enhancement_tools.rst:73
0154 msgid ""
0155 "To help you to choose the best filter settings, the widget dialog "
0156 "illustrates with a thumbnail preview the distortion correction applied to a "
0157 "crossed mesh pattern. The values you apply to your image will be saved and "
0158 "come up with the same values as default the next time you call the tool."
0159 msgstr ""
0160 
0161 #: ../../image_editor/enhancement_tools.rst:77
0162 msgid ""
0163 "The barrel-pincushion correction should be done before any crop or size "
0164 "changes (including perspective correction). In fact the Barrel-Pincushion "
0165 "corrections should be the very first step on the original image. If you crop "
0166 "the image and then use barrel correction the effect would be obviously wrong."
0167 msgstr ""
0168 
0169 #: ../../image_editor/enhancement_tools.rst:79
0170 msgid ""
0171 "To help you finding the best correction the tool provides a vertical and "
0172 "horizontal guide. Move the mouse cursor in the image preview to display the "
0173 "dashed lines guide. Move the cursor to an important place in the image like "
0174 "the sea level or a building border and press the left mouse button for "
0175 "freeze the dashed lines position. Now, adjust the barrel/pincushion "
0176 "correction to align with the guide."
0177 msgstr ""
0178 
0179 #: ../../image_editor/enhancement_tools.rst:81
0180 msgid ""
0181 "When using pincushion correction the resulting image will have a black "
0182 "border in the corner. You will need to cut this out with a crop tool "
0183 "available in :menuselection:`Transform --> Crop` Image Editor menu or via "
0184 "the zoom slider of this dialog."
0185 msgstr ""
0186 
0187 #: ../../image_editor/enhancement_tools.rst:83
0188 msgid ""
0189 "On most images using the barrel correction is enough, however with some "
0190 "shots such as front images, frames, paintings, the next logical step is to "
0191 "use perspective correction to make all the angles 90 degrees. Note that when "
0192 "you hold your camera by hand you almost always introduce some kind of slight "
0193 "perspective distortion."
0194 msgstr ""
0195 
0196 #: ../../image_editor/enhancement_tools.rst:88
0197 msgid "Vignetting Correction"
0198 msgstr ""
0199 
0200 #: ../../image_editor/enhancement_tools.rst:91
0201 #: ../../image_editor/enhancement_tools.rst:198
0202 #: ../../image_editor/enhancement_tools.rst:405
0203 msgid "Overview"
0204 msgstr ""
0205 
0206 #: ../../image_editor/enhancement_tools.rst:93
0207 msgid ""
0208 "digiKam The Vignetting correction is a tool to correct image vignetting "
0209 "(under-exposure in the corners)."
0210 msgstr ""
0211 
0212 #: ../../image_editor/enhancement_tools.rst:95
0213 msgid ""
0214 "Wide angle lenses, especially those used in medium and large format "
0215 "photography, frequently do not uniformly illuminate the entire sensor plane. "
0216 "Instead, they *vignette* (shade) the edges and corners of the image, "
0217 "substantially reducing the light reaching the sensor there. But telelenses "
0218 "may show vignetting too."
0219 msgstr ""
0220 
0221 #: ../../image_editor/enhancement_tools.rst:97
0222 msgid ""
0223 "The traditional solution for this is to attach a *center filter* to the "
0224 "lens. This is a neutral density filter with maximum density at the optical "
0225 "axis of the lens, clear at the periphery, with density varying inversely to "
0226 "the vignetting of the lens. A center filter has many advantages: not only "
0227 "does it automatically correct for full-frame images but, since it's fixed to "
0228 "the front of the lens, it also compensates for the off-center vignetting "
0229 "which occurs when camera movements are employed for perspective or plane of "
0230 "focus adjustment."
0231 msgstr ""
0232 
0233 #: ../../image_editor/enhancement_tools.rst:99
0234 msgid ""
0235 "But there are disadvantages as well. Many center filters require a 1.5 or 2 "
0236 "f-stop filter factor adjustment, which may in turn necessitate a shutter "
0237 "speed so slow (since wide angle lenses, even with center filters, are best "
0238 "used at apertures of f/16 or smaller) that hand-holding the camera is "
0239 "impossible and motion blur becomes a problem when photographing moving "
0240 "objects."
0241 msgstr ""
0242 
0243 #: ../../image_editor/enhancement_tools.rst:101
0244 msgid ""
0245 "With the wide exposure range of present-day film and the color (or grey-"
0246 "scale) depth of digital camera or film scanners, it is possible to simulate "
0247 "the effect of a center filter by applying an equivalent transform to a raw "
0248 "image taken without the filter."
0249 msgstr ""
0250 
0251 #: ../../image_editor/enhancement_tools.rst:104
0252 msgid "Using the vignetting correction tool"
0253 msgstr ""
0254 
0255 #: ../../image_editor/enhancement_tools.rst:110
0256 msgid "The Vignetting Correction Types"
0257 msgstr ""
0258 
0259 #: ../../image_editor/enhancement_tools.rst:112
0260 msgid ""
0261 "Five sliders give you control over the vignetting correction filter, and "
0262 "three more over the target image exposure:"
0263 msgstr ""
0264 
0265 #: ../../image_editor/enhancement_tools.rst:114
0266 msgid ""
0267 "**Amount**: this option controls the degree of luminosity attenuation by the "
0268 "filter at its point of maximum amount. The default amount is 2.0, which "
0269 "corresponds to an optical filter with a 1 f-stop filter factor (or, by no "
0270 "coincidence, a factor of 2 in luminosity). Increase the amount to compensate "
0271 "for a greater degree of vignetting; reduce it for less."
0272 msgstr ""
0273 
0274 #: ../../image_editor/enhancement_tools.rst:116
0275 msgid ""
0276 "**Feather**: this option determines the rate at which the filter intensity "
0277 "falls off from the point of maximum amount toward the edges, expressed as a "
0278 "power factor. The default of 1 yields a linear reduction in filter amount "
0279 "with distance from the center. Power factors greater than 1.0 cause a faster "
0280 "fall-off (for example, a power of 2 causes the amount to decrease as the "
0281 "square of the distance from the center) and causes the effect of the filter "
0282 "to be concentrated near the center. Powers less than 1 spread out the amount "
0283 "of the filter toward the edges; a power of 0.5 causes the amount to fall as "
0284 "the square root of the distance from the center."
0285 msgstr ""
0286 
0287 #: ../../image_editor/enhancement_tools.rst:118
0288 msgid ""
0289 "**Radius**: this option specifies the radius, as a multiple of the half "
0290 "diagonal measure of the image, at which the amount of the filter falls off "
0291 "to zero (or, in other words, becomes transparent). The default value of 1.0 "
0292 "specifies a filter which is transparent at its corners. A radius "
0293 "specification greater than 1 extends the effect of the center filter beyond "
0294 "the edges of the image, while a radius less than one limits the filter's "
0295 "action to a region smaller than the image. When compensating for vignetting "
0296 "by lenses used with large format and some medium format cameras, the default "
0297 "radius factor of 1 is rarely correct! These lenses often \"cover\" an image "
0298 "circle substantially larger than the film to permit camera movements to "
0299 "control perspective and focus, and consequently have a vignetting pattern "
0300 "which extends well beyond the edges of the film, requiring a radius setting "
0301 "greater than 1 to simulate a center filter covering the entire image circle."
0302 msgstr ""
0303 
0304 #: ../../image_editor/enhancement_tools.rst:120
0305 msgid ""
0306 "**X offset** and **Y offset** settings: these options moves respectively the "
0307 "center of the filter horizontally or vertically up to the border of the "
0308 "image by the specified percentage. A negative value for the X offset will "
0309 "shift the filter to the left while a positive value will shift it to the "
0310 "right. A negative value for the Y offset will move the filter up, and "
0311 "finally a positive value will move it down."
0312 msgstr ""
0313 
0314 #: ../../image_editor/enhancement_tools.rst:122
0315 msgid ""
0316 "**Add Vignetting**: many photographs looks flat because of a distracting "
0317 "background or another composition matter. While most of time you will want "
0318 "to remove vignetting it is a fact that a selective vignetting could improve "
0319 "the readability of a photograph and draw the eyes to the intended subject. "
0320 "As an artist you may choose this option, ticking it will invert the filter "
0321 "thus darkening the corners of a photograph."
0322 msgstr ""
0323 
0324 #: ../../image_editor/enhancement_tools.rst:124
0325 msgid ""
0326 "The only way to be sure which settings of **Amount**, **Feather**, and "
0327 "**Radius** best compensate for the actual optical characteristics of a given "
0328 "lens is to expose a uniformly illuminated scene (for example, a grey card "
0329 "lit by diffuse light) and perform densitometry on the resulting image (for "
0330 "example with Adjust Level tool histogram position bar). Failing that, or "
0331 "specifications by the lens manufacturer giving the precise degree of "
0332 "vignetting at one or more working apertures, you may have to experiment with "
0333 "different settings to find those which work best for each of your lenses. "
0334 "For help you in this task, the widget dialog provide a thumbnail mask "
0335 "rendering applied on the image. Fortunately, the response of the human eye "
0336 "is logarithmic, not linear like most digital imaging sensors, so you needn't "
0337 "precisely compensate for the actual vignetting to create images which "
0338 "viewers will perceive as uniformly illuminated."
0339 msgstr ""
0340 
0341 #: ../../image_editor/enhancement_tools.rst:128
0342 msgid ""
0343 "If you want a finer exposure re-adjustment of the target image, use the "
0344 "Adjust Curve tool from Image Editor available under :menuselection:`Color --"
0345 "> Adjust Curve` menu entry."
0346 msgstr ""
0347 
0348 #: ../../image_editor/enhancement_tools.rst:131
0349 msgid "The vignetting correction tool in action"
0350 msgstr ""
0351 
0352 #: ../../image_editor/enhancement_tools.rst:133
0353 msgid ""
0354 "This is an example of an anti vignetting correction applied to an image. The "
0355 "original image on the top shows vignetting in the corners, the corrected "
0356 "image on the bottom much less. The values used for this example are:"
0357 msgstr ""
0358 
0359 #: ../../image_editor/enhancement_tools.rst:135
0360 msgid "Density = 2.6."
0361 msgstr ""
0362 
0363 #: ../../image_editor/enhancement_tools.rst:137
0364 msgid "Power = 0.9."
0365 msgstr ""
0366 
0367 #: ../../image_editor/enhancement_tools.rst:139
0368 msgid "Radius = 1.1."
0369 msgstr ""
0370 
0371 #: ../../image_editor/enhancement_tools.rst:145
0372 msgid "The Image Editor Anti-Vignetting Tool"
0373 msgstr ""
0374 
0375 #: ../../image_editor/enhancement_tools.rst:150
0376 msgid "Lens Auto Correction"
0377 msgstr ""
0378 
0379 #: ../../image_editor/enhancement_tools.rst:152
0380 msgid ""
0381 "No lens is optically perfect. Even the most expensive lenses have there own "
0382 "imperfections, however digiKam can correct lens imperfections such as "
0383 "**Distortion**, **Chromatic aberration**, **Vignetting**, and **Geometry**."
0384 msgstr ""
0385 
0386 #: ../../image_editor/enhancement_tools.rst:158
0387 msgid "The Lens Auto-Correction Tool from digiKam Image Editor"
0388 msgstr ""
0389 
0390 #: ../../image_editor/enhancement_tools.rst:160
0391 msgid ""
0392 "From Image Editor go to :menuselection:`Enhance --> Lens --> Auto "
0393 "Corrections` menu entry to start the automatic lens correction tool. This "
0394 "feature uses lens data from the `Lensfun library <https://lensfun.github.io/"
0395 ">`_ and it has a very much up to date database of lenses which are "
0396 "available. It has more than a hundred lenses in its current databases. It "
0397 "also uses the **Metadata** from the image to find-out which lens is used."
0398 msgstr ""
0399 
0400 #: ../../image_editor/enhancement_tools.rst:162
0401 msgid ""
0402 "If the exact used to take the picture is available it will mention that it "
0403 "matches with the metadata (annoted in **Green**), however if the exact match "
0404 "is not available it will choose the settings from the most closes match "
0405 "(annoted in **Orange**). In this case it also allows users to select the "
0406 "lens themselves. If metadata do not match at all, it will be annoted in "
0407 "**Red**."
0408 msgstr ""
0409 
0410 #: ../../image_editor/enhancement_tools.rst:168
0411 msgid "Metadata Match with LensFun Database"
0412 msgstr ""
0413 
0414 #: ../../image_editor/enhancement_tools.rst:174
0415 msgid "Metadata Match Partially with LensFun Database"
0416 msgstr ""
0417 
0418 #: ../../image_editor/enhancement_tools.rst:180
0419 msgid "Metadata do not Match with LensFun Database"
0420 msgstr ""
0421 
0422 #: ../../image_editor/enhancement_tools.rst:182
0423 msgid ""
0424 "You can either enable or disable the helper **Grid** lines to visualise how "
0425 "the geometrical distortion are corrected on image."
0426 msgstr ""
0427 
0428 #: ../../image_editor/enhancement_tools.rst:188
0429 msgid ""
0430 "The Lens Auto-Correction Tool Displaying the Helper Grid over the Canvas"
0431 msgstr ""
0432 
0433 #: ../../image_editor/enhancement_tools.rst:190
0434 msgid ""
0435 "Select the corrections you want to apply move you mouse inwards and outwards "
0436 "of the preview window which will show you before and after. When you are "
0437 "satisfied with the result press **OK**."
0438 msgstr ""
0439 
0440 #: ../../image_editor/enhancement_tools.rst:195
0441 msgid "Hot Pixels Correction"
0442 msgstr ""
0443 
0444 #: ../../image_editor/enhancement_tools.rst:200
0445 msgid ""
0446 "digiKam The Hot Pixels tool facilitates removing hot pixels from photographs "
0447 "taken with a camera electronic sensor."
0448 msgstr ""
0449 
0450 #: ../../image_editor/enhancement_tools.rst:202
0451 msgid ""
0452 "Most current digital cameras produce images with several brightly colored "
0453 "**Bad Pixels** when using slow shutter speeds. Night images can be ruined by "
0454 "these Bad Pixels. There are three different types of Bad Pixels:"
0455 msgstr ""
0456 
0457 #: ../../image_editor/enhancement_tools.rst:204
0458 msgid ""
0459 "**Stuck pixels**: it's a pixel that always reads high or is always on to "
0460 "maximum power on all exposures. This produces a bright pixel usually of red, "
0461 "blue or green color in the final image. A stuck pixel will occur regardless "
0462 "of shutter speed, aperture size or any other user settings. It will occur on "
0463 "a normal exposure and tends to be more obvious under bright condition."
0464 msgstr ""
0465 
0466 #: ../../image_editor/enhancement_tools.rst:206
0467 msgid ""
0468 "**Dead pixels**: it's a pixel that reads zero or is always off on all "
0469 "exposures. This state produces a black pixel in the final image. Similar to "
0470 "stuck pixel, a dead pixel will occur regardless of shutter speed, aperture "
0471 "size or any other user settings."
0472 msgstr ""
0473 
0474 #: ../../image_editor/enhancement_tools.rst:208
0475 msgid ""
0476 "**Hot pixels**: it's a pixel that reads high (bright) on longer exposures as "
0477 "white, red, or green color. The longer the exposure time, the more visible "
0478 "hot pixels will become. These pixels will not be visible in bright "
0479 "conditions."
0480 msgstr ""
0481 
0482 #: ../../image_editor/enhancement_tools.rst:210
0483 msgid ""
0484 "Note that stuck or dead pixels will occur at the same location for all "
0485 "images. If the location of the stuck or dead pixel occurs at different "
0486 "locations, it may be a Hot Pixel."
0487 msgstr ""
0488 
0489 #: ../../image_editor/enhancement_tools.rst:212
0490 msgid ""
0491 "Stuck, dead or hot pixels are a problem in particular when shooting in high "
0492 "quality raw mode since many cameras have built-in hot pixel suppression "
0493 "applied automatically when JPEG compression is used (which is mostly the "
0494 "case)."
0495 msgstr ""
0496 
0497 #: ../../image_editor/enhancement_tools.rst:214
0498 msgid ""
0499 "This tool can be used to fix the **Hot pixels** and **Stuck Pixels** on a "
0500 "photograph using a **Black Frame** subtraction method. There is not a manual "
0501 "editor to select Bad Pixels."
0502 msgstr ""
0503 
0504 #: ../../image_editor/enhancement_tools.rst:217
0505 msgid "Create the Black Frames"
0506 msgstr ""
0507 
0508 #: ../../image_editor/enhancement_tools.rst:219
0509 msgid ""
0510 "The Black Frame subtraction method is the most accurate \"Hot Pixels\" and "
0511 "\"Stuck Pixels\" removal. First you have to create a \"Black Frame\" as a "
0512 "reference. This is easy to do. When you finish taking your long exposure "
0513 "shots, put a lens cap on the camera and take one \"dark\" image with the "
0514 "same exposure time as the images before. This image will be all dark, but "
0515 "with close examination you will see that it has the Hot and Stuck Pixels "
0516 "(colored dots). These are positioned at the same places as on your previous "
0517 "shots."
0518 msgstr ""
0519 
0520 #: ../../image_editor/enhancement_tools.rst:221
0521 msgid ""
0522 "Load this file to the widget using the **Black Frame** button. The tool will "
0523 "process an automatic detection of Hot and Stuck Pixels. They will be "
0524 "highlighted in the control panel preview areas."
0525 msgstr ""
0526 
0527 #: ../../image_editor/enhancement_tools.rst:225
0528 msgid ""
0529 "If you use an old digital camera, it is important to re-shoot the Black "
0530 "Frame next time you are taking a long exposure images to detect new Hot and "
0531 "Stuck Pixels on sensor defects."
0532 msgstr ""
0533 
0534 #: ../../image_editor/enhancement_tools.rst:228
0535 msgid "Using the Hotpixel Tool"
0536 msgstr ""
0537 
0538 #: ../../image_editor/enhancement_tools.rst:234
0539 msgid "The Image Editor Hot Pixels Tool"
0540 msgstr ""
0541 
0542 #: ../../image_editor/enhancement_tools.rst:236
0543 msgid ""
0544 "At first, as explained in the previous section, you need to load a Black "
0545 "Frame corresponding to the image to correct. An automatic parsing will be "
0546 "processed on the Black Frame to find bad pixels. Note that the widget will "
0547 "remember the previous Black Frame used on the last session and it will be re-"
0548 "opened automatically with the next session."
0549 msgstr ""
0550 
0551 #: ../../image_editor/enhancement_tools.rst:238
0552 msgid ""
0553 "The image panel and the original preview help you to pan within the image. "
0554 "The preview window shows the filter output using the current settings. Bad "
0555 "Pixels are highlighted on preview area."
0556 msgstr ""
0557 
0558 #: ../../image_editor/enhancement_tools.rst:240
0559 msgid ""
0560 "Select an area to see bad pixels on preview and the filter result using "
0561 "*Separate View* options of image panel. Choose the best **Filter** method to "
0562 "interpolate pixels or pixel blocks. These are the available filters:"
0563 msgstr ""
0564 
0565 #: ../../image_editor/enhancement_tools.rst:242
0566 msgid ""
0567 "**Average**: the pixels adjacent to the pixel block are averaged. The "
0568 "resulting color is assigned to all pixels in the block. For 1-dimensional "
0569 "interpolation, this is done separately for one pixel-wide, horizontal or "
0570 "vertical stripes."
0571 msgstr ""
0572 
0573 #: ../../image_editor/enhancement_tools.rst:244
0574 msgid ""
0575 "**Linear**: the pixels which have a distance of 1 from the pixel block are "
0576 "used to calculate a bi-linear surface (2-dim), or a group of linear curves "
0577 "(1-dim), which is then used to assign interpolated colors to the pixels in "
0578 "the block."
0579 msgstr ""
0580 
0581 #: ../../image_editor/enhancement_tools.rst:246
0582 msgid ""
0583 "**Quadratic**: this is the default filtering method. The pixels which have a "
0584 "distance of 2 or less from the pixel block are used to calculate a bi-"
0585 "quadratic surface (2-dim), or a group of quadratic curves (1-dim), which is "
0586 "then used to assign interpolated colors to the pixels in the block."
0587 msgstr ""
0588 
0589 #: ../../image_editor/enhancement_tools.rst:248
0590 msgid ""
0591 "**Cubic**: the pixels which have a distance of 3 or less from the pixel "
0592 "block are used to calculate a bi-cubic surface (2-dim), or a group of cubic "
0593 "curves (1-dim), which is then used to assign interpolated colors to the "
0594 "pixels in the block."
0595 msgstr ""
0596 
0597 #: ../../image_editor/enhancement_tools.rst:253
0598 msgid "Local Contrast Tool"
0599 msgstr ""
0600 
0601 #: ../../image_editor/enhancement_tools.rst:255
0602 msgid "The Local Contrast tool render pseudo-HDR image."
0603 msgstr ""
0604 
0605 #: ../../image_editor/enhancement_tools.rst:257
0606 msgid ""
0607 "There are multiple ways to render HDR image to improve photos containing "
0608 "under or overexposed areas. With camera devices, usual tools let you merge "
0609 "multiple shots with different exposures into one perfectly exposed photo. "
0610 "This work nicely but require some limitation, as for example the necessity "
0611 "to shot static subjects. But what if you have just in case of single image, "
0612 "or with dynamic subjects? You might want to give a try to the Local Contrast "
0613 "feature. It uses a Low Dynamic Range `Tonemapping <https://en.wikipedia.org/"
0614 "wiki/Tone_mapping>`_ which is designed to improve the dynamic range of the "
0615 "photo by reducing its global contrast and increasing the local contrast. It "
0616 "does so by generating a desaturated and blurred version of the photo. It "
0617 "then combines the RGB channels of the original photo with the desaturated "
0618 "blurred image using either the Linear or Power function. Sounds complicated? "
0619 "Don’t worry, the Local Contrast tool is rather straightforward to use, so "
0620 "you don’t have to understand all its intricacies in order to achieve "
0621 "pleasing results."
0622 msgstr ""
0623 
0624 #: ../../image_editor/enhancement_tools.rst:263
0625 msgid "The Image Editor Local Contrast Tool"
0626 msgstr ""
0627 
0628 #: ../../image_editor/enhancement_tools.rst:265
0629 msgid ""
0630 "Open the photo you want in the editor and choose :menuselection:`Enhance --> "
0631 "Local Contrast`. The tool lets you apply up to four tonemapping operations "
0632 "called stages. Each **Stage** offers two parameters for you to tweak: "
0633 "**Power** and **Blur**. The former allows you to specify the desaturation "
0634 "level, while the latter lets you adjust the affected areas on the photo. To "
0635 "preview the result, hit the **Try** button. Once you are satisfied with the "
0636 "result, press **OK** to apply the process to the photo."
0637 msgstr ""
0638 
0639 #: ../../image_editor/enhancement_tools.rst:267
0640 msgid ""
0641 "While the Local Contrast tool may sound like an easy way to fix photos, you "
0642 "should use it with care: sometimes it can do more damage than good, "
0643 "producing unnaturally looking photos."
0644 msgstr ""
0645 
0646 #: ../../image_editor/enhancement_tools.rst:272
0647 msgid "Noise Reduction"
0648 msgstr ""
0649 
0650 #: ../../image_editor/enhancement_tools.rst:274
0651 msgid ""
0652 "digiKam The Noise Reduction is a powerful tool to reduce the image noise."
0653 msgstr ""
0654 
0655 #: ../../image_editor/enhancement_tools.rst:276
0656 msgid ""
0657 "This tool provides selectable image filters to remove specks or other "
0658 "artifacts caused by junk such as dust or hair on the lens. It also can be "
0659 "used to remove Sensor Noise from the camera that maybe caused by high ISO "
0660 "settings, as well as the so-called Moiré Patterns on scanned images from "
0661 "books or magazines."
0662 msgstr ""
0663 
0664 #: ../../image_editor/enhancement_tools.rst:278
0665 msgid ""
0666 "If you want more information about what's digital camera sensor noise, "
0667 "please take a look in `this tutorial <https://www.cambridgeincolour.com/"
0668 "tutorials/image-noise.htm/>`_."
0669 msgstr ""
0670 
0671 #: ../../image_editor/enhancement_tools.rst:284
0672 msgid "The Image Editor Noise Reduction Tool"
0673 msgstr ""
0674 
0675 #: ../../image_editor/enhancement_tools.rst:286
0676 msgid ""
0677 "The above screenshot shows a typical scene taken with an digital camera "
0678 "using a high sensitivity ISO setting. It shows grainy noise which can be "
0679 "reduced successfully with this tool."
0680 msgstr ""
0681 
0682 #: ../../image_editor/enhancement_tools.rst:288
0683 msgid ""
0684 "The re-sizeable image panel with the original preview helps you to pan "
0685 "within the image. Move the red rectangle around to select the area that lets "
0686 "you judge on the optimal filter settings. The preview window shows the "
0687 "filter output using the current settings. It can be rearranged in four "
0688 "different combinations as depicted in the icons below the original preview. "
0689 "This screenshot shows the first arrangement where the same cutout is shown "
0690 "for comparison. On the bottom of preview area, you can see **Zoom Factor** "
0691 "settings to magnify an area of the image."
0692 msgstr ""
0693 
0694 #: ../../image_editor/enhancement_tools.rst:290
0695 msgid "You can see below a full description of all parameters:"
0696 msgstr ""
0697 
0698 #: ../../image_editor/enhancement_tools.rst:292
0699 msgid ""
0700 "**Estimate Noise**: compute automatically all noise reduction settings by a "
0701 "parse of noise contained in image. By default it recommended to turn on this "
0702 "option and check the result. If reduction of noise is not enough efficient "
0703 "or damage the image, turn off this option, and adjust the **Luminance**, "
0704 "**Chrominance Blue**, and **Chrominance Red** settings manually."
0705 msgstr ""
0706 
0707 #: ../../image_editor/enhancement_tools.rst:294
0708 msgid ""
0709 "**Threshold**: use the slider for coarse adjustment, and the spin control "
0710 "for fine adjustment. The threshold is the value below which everything is "
0711 "considered noise. This value should be set so that edges and details are "
0712 "clearly visible and noise is smoothed out. These settings exists for the "
0713 "**Luminance**, **Chrominance Blue**, and **Chrominance Red** channels. "
0714 "Simply adjust it and watch the preview. Adjustment must be made carefully, "
0715 "because the gap between noisy, smooth, and blur is very small. Adjust it as "
0716 "carefully as you would adjust the focus of a camera."
0717 msgstr ""
0718 
0719 #: ../../image_editor/enhancement_tools.rst:296
0720 msgid ""
0721 "**Softness**: use the slider for coarse adjustment, and the spin control for "
0722 "fine adjustment. The softness adjusts the level of the thresholding (soft as "
0723 "opposed to hard thresholding). The higher the softness the more noise "
0724 "remains in the image. These settings exists for the **Luminance**, "
0725 "**Chrominance Blue**, and **Chrominance Red** channels. Simply adjust it and "
0726 "watch the preview. As for the Threshold settings, adjustment must be made "
0727 "carefully, because the gap between noisy, smooth, and blur is very small. "
0728 "Adjust it as carefully as you would adjust the focus of a camera."
0729 msgstr ""
0730 
0731 #: ../../image_editor/enhancement_tools.rst:298
0732 msgid ""
0733 "**Save As** and **Load**: these buttons are used to do just that. Any Noise "
0734 "Reduction parameters that you have set can be saved to the filesystem and "
0735 "loaded later."
0736 msgstr ""
0737 
0738 #: ../../image_editor/enhancement_tools.rst:300
0739 #: ../../image_editor/enhancement_tools.rst:510
0740 msgid "**Defaults**: this button resets all settings to default values."
0741 msgstr ""
0742 
0743 #: ../../image_editor/enhancement_tools.rst:305
0744 msgid "Blur Tool"
0745 msgstr ""
0746 
0747 #: ../../image_editor/enhancement_tools.rst:307
0748 msgid "The Blur Tool is dedicated to soft an image."
0749 msgstr ""
0750 
0751 #: ../../image_editor/enhancement_tools.rst:309
0752 msgid ""
0753 "Sometimes an image is too crisp for your purposes. The solution is to blur "
0754 "it a bit: fortunately blurring an image is much easier than sharpening it. "
0755 "Select the **Blur Tool** with the :menuselection:`Enhance --> Blur` menu "
0756 "entry and experiment with the level. The preview window on the right of the "
0757 "dialog shows the effect of the operation on your photograph."
0758 msgstr ""
0759 
0760 #: ../../image_editor/enhancement_tools.rst:315
0761 msgid "The Image Editor Blur Tool"
0762 msgstr ""
0763 
0764 #: ../../image_editor/enhancement_tools.rst:320
0765 msgid "Photograph Restoration"
0766 msgstr ""
0767 
0768 #: ../../image_editor/enhancement_tools.rst:322
0769 msgid ""
0770 "digiKam The Photograph Restoration is definitely one of the most advanced "
0771 "tools to reduce photograph artifacts."
0772 msgstr ""
0773 
0774 #: ../../image_editor/enhancement_tools.rst:324
0775 msgid ""
0776 "This fantastic restoration filter is a development providing unprecedented "
0777 "possibilities in the public domain to remove lots of unwanted stuff from "
0778 "your images. It is well adapted to deal with degraded images suffering from "
0779 "Gaussian noise, film grain, scratches or compression artifacts and local "
0780 "degradations usually encountered in digital (original or digitized) images. "
0781 "The smoothing happens along the image curvatures, thus preserving the "
0782 "meaningful content much alike our human eye would want it."
0783 msgstr ""
0784 
0785 #: ../../image_editor/enhancement_tools.rst:330
0786 msgid "The Image Editor Restoration Tool"
0787 msgstr ""
0788 
0789 #: ../../image_editor/enhancement_tools.rst:332
0790 msgid ""
0791 "The tool comes with several presets as starting points and to simplify the "
0792 "restoration. The preset settings available are listed below:"
0793 msgstr ""
0794 
0795 #: ../../image_editor/enhancement_tools.rst:334
0796 msgid ""
0797 "**None**: Using most common default filter settings not optimized for any "
0798 "particular purpose."
0799 msgstr ""
0800 
0801 #: ../../image_editor/enhancement_tools.rst:336
0802 msgid ""
0803 "**Reduce Uniform Noise**: Optimum settings for image noise due to sensors."
0804 msgstr ""
0805 
0806 #: ../../image_editor/enhancement_tools.rst:338
0807 msgid ""
0808 "**Reduce JPEG Artifacts**: JPEG's compression is not perfect, in fact for "
0809 "some types of images it is far from it. As a lossy compression algorithm, "
0810 "there are some compression \"artifacts\" - slight defaults showing in the "
0811 "decompressed image. This setting aims at correcting this problem."
0812 msgstr ""
0813 
0814 #: ../../image_editor/enhancement_tools.rst:340
0815 msgid ""
0816 "**Reduce Texturing**: Optimized to remove artifacts from scanning, "
0817 "digitizing or Moire patterns."
0818 msgstr ""
0819 
0820 #: ../../image_editor/enhancement_tools.rst:342
0821 msgid ""
0822 "If you want to set filter parameters for finer adjustments, use **General** "
0823 "and **Advanced Settings** tabs:"
0824 msgstr ""
0825 
0826 #: ../../image_editor/enhancement_tools.rst:348
0827 msgid "The Image Editor Restoration Tool Preset Settings"
0828 msgstr ""
0829 
0830 #: ../../image_editor/enhancement_tools.rst:350
0831 msgid ""
0832 "**Detail Preservation** p [0, 100]: this controls the preservation of the "
0833 "curvatures (features). A low value forces an equal smoothing across the "
0834 "image, whereas bigger values preferably smooth the homogeneous regions and "
0835 "leaves the details sharper. A value of 0.9 should well preserve details so "
0836 "that no sharpening is required afterwards. Note that **Detail Preservation** "
0837 "must be always inferior to **Anisotropy**."
0838 msgstr ""
0839 
0840 #: ../../image_editor/enhancement_tools.rst:352
0841 msgid ""
0842 "**Anisotropy alpha** [0, 100]: a low value smooths equally in all "
0843 "directions, whereas a value close to 1 smooths in one direction only. If you "
0844 "have film grain or CCD kind of noise a high value will result in wave-like "
0845 "pattern, whereas JPEG artifacts are suited for values close to 1."
0846 msgstr ""
0847 
0848 #: ../../image_editor/enhancement_tools.rst:354
0849 msgid ""
0850 "**Smoothing** [0, 500]: this sets the maximum overall smoothing factor (when "
0851 "p defines the relative smoothing). Set it according to the noise level."
0852 msgstr ""
0853 
0854 #: ../../image_editor/enhancement_tools.rst:356
0855 msgid ""
0856 "**Regularity** [0, 100]: this parameter is concerned with the uniformity of "
0857 "the smoothing. Imagine the smoothing process as a combing of the image. Then "
0858 "the Regularity would correspond to the size of the comb. The bigger this "
0859 "value, the more even the overall smoothing will be. This is necessary when "
0860 "much noise is present since it is then difficult to estimate the local "
0861 "geometry. Also if you want to achieve a 'van Gogh' turbulence effect, "
0862 "setting it higher than 3 is recommended."
0863 msgstr ""
0864 
0865 #: ../../image_editor/enhancement_tools.rst:358
0866 msgid ""
0867 "**Filter Iterations**: number of times the blurring algorithm is applied. "
0868 "Usually 1 or 2 is sufficient."
0869 msgstr ""
0870 
0871 #: ../../image_editor/enhancement_tools.rst:364
0872 msgid "The Image Editor Restoration Tool Advanced Settings"
0873 msgstr ""
0874 
0875 #: ../../image_editor/enhancement_tools.rst:366
0876 msgid ""
0877 "**Angular Step** da [5, 90]: angular integration of the anisotropy alpha. If "
0878 "alpha is chosen small, da should also be chosen small. But beware, small "
0879 "angles result in long runs! Choose it as large as you can accept."
0880 msgstr ""
0881 
0882 #: ../../image_editor/enhancement_tools.rst:368
0883 msgid ""
0884 "**Integral Step** [0.1, 10]: spatial integration step width in terms of "
0885 "pixels. Should remain less than 1 (sub-pixel smoothing) and never be higher "
0886 "than 2."
0887 msgstr ""
0888 
0889 #: ../../image_editor/enhancement_tools.rst:370
0890 msgid ""
0891 "**Use Linear Interpolation**: The gain in quality if you select this option "
0892 "is only marginal and you lose a factor of 2 in speed. Our recommendation is "
0893 "to leave it off."
0894 msgstr ""
0895 
0896 #: ../../image_editor/enhancement_tools.rst:372
0897 msgid ""
0898 "**Save As** and **Load** buttons are used to do just that. Any Photograph "
0899 "Restoration filter settings that you have set can be saved to the filesystem "
0900 "in a text file and loaded later."
0901 msgstr ""
0902 
0903 #: ../../image_editor/enhancement_tools.rst:376
0904 msgid ""
0905 "Photograph restoration is (comparatively) very fast in what it is doing, but "
0906 "it can take a long time to run and cause high CPU load. You may always abort "
0907 "computation by pressing **Abort** button during preview rendering."
0908 msgstr ""
0909 
0910 #: ../../image_editor/enhancement_tools.rst:381
0911 msgid "Remove Red Eyes"
0912 msgstr ""
0913 
0914 #: ../../image_editor/enhancement_tools.rst:383
0915 msgid ""
0916 "Red eyes are caused when the camera flashlight is used to take photographs "
0917 "of people. The red is the reflection from the back of the eye which can be "
0918 "seen because the pupil cannot react quickly enough to the flash. By the way, "
0919 "with a separate flash light the red eye effect is less likely because of the "
0920 "different viewing angle of flash and lens. You can correct some of the worst "
0921 "effect of Red Eye by selecting the area of the eye on the photograph, in the "
0922 "same way as described for cropping above. Then select :menuselection:"
0923 "`Enhance --> Red Eye Reduction`."
0924 msgstr ""
0925 
0926 #: ../../image_editor/enhancement_tools.rst:385
0927 msgid "How it works"
0928 msgstr ""
0929 
0930 #: ../../image_editor/enhancement_tools.rst:387
0931 msgid ""
0932 "Set the preview mode to your liking. Adjust region of image to the eyes of "
0933 "face to fix."
0934 msgstr ""
0935 
0936 #: ../../image_editor/enhancement_tools.rst:389
0937 msgid ""
0938 "A neural network engine parse the image contents to localize automatically "
0939 "eyes and the red pupils."
0940 msgstr ""
0941 
0942 #: ../../image_editor/enhancement_tools.rst:391
0943 msgid ""
0944 "The **Red Level** setting adjusts the amount of red eyes removal, in "
0945 "aggressive mode or not."
0946 msgstr ""
0947 
0948 #: ../../image_editor/enhancement_tools.rst:397
0949 msgid "The Image Editor Red Eyes Removal"
0950 msgstr ""
0951 
0952 #: ../../image_editor/enhancement_tools.rst:402
0953 msgid "Image Sharpening"
0954 msgstr ""
0955 
0956 #: ../../image_editor/enhancement_tools.rst:407
0957 msgid ""
0958 "digiKam provides three different tools for sharpening, with each having "
0959 "merits in a different area."
0960 msgstr ""
0961 
0962 #: ../../image_editor/enhancement_tools.rst:409
0963 msgid ""
0964 "**Simple Sharp** is a traditional sharpening tool, which is very fast and "
0965 "easy, but may quickly produce grainy images, in particular in dark areas."
0966 msgstr ""
0967 
0968 #: ../../image_editor/enhancement_tools.rst:411
0969 msgid ""
0970 "**Unsharp Mask** works on the edge contrast to make an image appear sharper, "
0971 "but it actually does not sharpen at all, it works rather psychovisually. It "
0972 "can be used to remove atmospheric haze, and here it does a real good job. "
0973 "The algorithm was taken from the Gimp, and it is copyrighted by Winston "
0974 "Chang."
0975 msgstr ""
0976 
0977 #: ../../image_editor/enhancement_tools.rst:413
0978 msgid ""
0979 "**Refocus** is probably the best of the three because it actually improves "
0980 "sharpness. It is a bit more involved in its application as is has several "
0981 "parameters to play with."
0982 msgstr ""
0983 
0984 #: ../../image_editor/enhancement_tools.rst:415
0985 msgid ""
0986 "Out-of-focus photographs, as well as most digitized images, need correction "
0987 "of sharpness. This is due to the digitizing process that must chop up a "
0988 "color continuum in points with slightly different colors: elements thinner "
0989 "than sampling frequency will be averaged into an uniform color. Thus, sharp "
0990 "borders are rendered a little blurred. The same phenomenon appears when "
0991 "printing color dots on paper. SLR cameras need even more sharpening on a "
0992 "regular basis than consumer cameras."
0993 msgstr ""
0994 
0995 #: ../../image_editor/enhancement_tools.rst:417
0996 msgid ""
0997 "Whereas JPEG images have some camera-internal sharpening applied, RAW format "
0998 "images always need sharpening in their workflow."
0999 msgstr ""
1000 
1001 #: ../../image_editor/enhancement_tools.rst:419
1002 msgid ""
1003 "Some scanners apply a sharpen filter while scanning. It's worth to disable "
1004 "it so that you keep control over your image."
1005 msgstr ""
1006 
1007 #: ../../image_editor/enhancement_tools.rst:422
1008 msgid "Adjusting Sharpness"
1009 msgstr ""
1010 
1011 #: ../../image_editor/enhancement_tools.rst:424
1012 msgid ""
1013 "If the camera focus is not set perfectly or if the camera is moving when the "
1014 "image is taken the result is a blurred photograph. If there is a lot of "
1015 "blurring, you probably will not be able to do much about it with any "
1016 "technique. If there is only a moderate amount, you should be able to improve "
1017 "the image. Many good SLR cameras apply less image processing to the images "
1018 "than simpler cameras (which tend to artificially increase the contrast to "
1019 "make the images look crisp). This kind of slight blur can be easily improved "
1020 "with tools."
1021 msgstr ""
1022 
1023 #: ../../image_editor/enhancement_tools.rst:426
1024 msgid ""
1025 "In some situations, you may be able to get useful results by sharpening an "
1026 "photograph using the Sharpen tool by the :menuselection:`Enhance --> "
1027 "Sharpen` menu entry and the **Sharpen** option from **Method** setting."
1028 msgstr ""
1029 
1030 #: ../../image_editor/enhancement_tools.rst:432
1031 msgid "The Image Editor Sharpen Tool"
1032 msgstr ""
1033 
1034 #: ../../image_editor/enhancement_tools.rst:434
1035 msgid ""
1036 "You should be careful with this though, or the results will not look very "
1037 "natural: sharpening increases the apparent sharpness of edges in the "
1038 "photograph, but also amplifies noise. Generally, the most useful technique "
1039 "for sharpening a fuzzy photograph is the Refocus tool. You can access it "
1040 "with the **Refocus** option from **Method** setting. Look at Refocus for "
1041 "more information and a comparison of all the sharpening techniques."
1042 msgstr ""
1043 
1044 #: ../../image_editor/enhancement_tools.rst:437
1045 msgid "Reducing Graininess In a Photograph"
1046 msgstr ""
1047 
1048 #: ../../image_editor/enhancement_tools.rst:439
1049 msgid ""
1050 "When you take a photograph in low-light conditions or with a very fast "
1051 "exposure time, the camera does not get enough data to make good estimates of "
1052 "the true color at each pixel, and consequently the resulting photograph "
1053 "looks grainy. You can \"smooth out\" the graininess by blurring the image, "
1054 "but then you will also lose sharpness. Probably the best approach - if the "
1055 "graininess is not too bad - is to use the filter **Noise Reduction** tool, "
1056 "and you can access it by the :menuselection:`Enhance --> Noise Reduction` "
1057 "menu entry."
1058 msgstr ""
1059 
1060 #: ../../image_editor/enhancement_tools.rst:442
1061 msgid "Softening a Photograph"
1062 msgstr ""
1063 
1064 #: ../../image_editor/enhancement_tools.rst:444
1065 msgid ""
1066 "Sometimes you have the opposite problem: an image is too crisp. The solution "
1067 "is to blur it a bit: fortunately blurring an image is much easier than "
1068 "sharpening it. Select the **Blur Tool** with the :menuselection:`Enhance --> "
1069 "Blur` menu entry and experiment with the level. The preview window on the "
1070 "right of the dialog shows the effect of the operation on your photograph."
1071 msgstr ""
1072 
1073 #: ../../image_editor/enhancement_tools.rst:447
1074 msgid "The Unsharp Mask Filter"
1075 msgstr ""
1076 
1077 #: ../../image_editor/enhancement_tools.rst:451
1078 msgid ""
1079 "The **Unsharp Mask** filter is an excellent tool to remove haze from your "
1080 "photographs."
1081 msgstr ""
1082 
1083 #: ../../image_editor/enhancement_tools.rst:457
1084 msgid "The Image Editor Unsharpen Mask Tool"
1085 msgstr ""
1086 
1087 #: ../../image_editor/enhancement_tools.rst:459
1088 #: ../../image_editor/enhancement_tools.rst:484
1089 msgid ""
1090 "The image panel and the original preview help you to pan within the image. "
1091 "The preview window shows the filter output using the current settings."
1092 msgstr ""
1093 
1094 #: ../../image_editor/enhancement_tools.rst:461
1095 msgid ""
1096 "There are two important parameters, **Radius** and **Amount**. The default "
1097 "values often work pretty well, so you should try them first. Increasing "
1098 "either the **Radius** or the **Amount** increases the strength of the "
1099 "effect. Don't get carried away, though: if you make the unsharp mask too "
1100 "strong, it will amplify noise in the image and create the impressions of "
1101 "ridges next to sharp edges."
1102 msgstr ""
1103 
1104 #: ../../image_editor/enhancement_tools.rst:463
1105 msgid ""
1106 "The **Radius** allows you to set how many pixels on either side of an edge "
1107 "that will be affected by sharpening. High resolution images allow higher "
1108 "radius. You'd better always sharpen an image at its final resolution."
1109 msgstr ""
1110 
1111 #: ../../image_editor/enhancement_tools.rst:465
1112 msgid ""
1113 "The **Amount** control is the percentage of the difference between the "
1114 "original and the blur image that is added back into the original. It allows "
1115 "you to set strength of sharpening."
1116 msgstr ""
1117 
1118 #: ../../image_editor/enhancement_tools.rst:467
1119 msgid ""
1120 "The **Threshold** control is a fraction of the maximum RGB value, needed to "
1121 "apply the difference amount. It allows you to set the minimum difference in "
1122 "pixel values that indicates an edge where sharpening should be applied. That "
1123 "way, you can protect areas of smooth tonal transition from sharpening, and "
1124 "avoid creation of blemishes in face, sky or water surface."
1125 msgstr ""
1126 
1127 #: ../../image_editor/enhancement_tools.rst:470
1128 msgid "Refocus a Photograph"
1129 msgstr ""
1130 
1131 #: ../../image_editor/enhancement_tools.rst:472
1132 msgid ""
1133 "The Refocus is a tool to refocus an image by enhancing the sharpness. It "
1134 "uses the deconvolution Filter algorithm."
1135 msgstr ""
1136 
1137 #: ../../image_editor/enhancement_tools.rst:474
1138 msgid ""
1139 "This tool attempts to \"refocus\" an image by undoing the defocussing. This "
1140 "is better than just trying to sharpen a photograph. It is employing a "
1141 "technique called FIR Wiener Filtering. The traditional technique for "
1142 "sharpening images is to use unsharp masking. Refocus generally produces "
1143 "better results than Unsharp masking. Start it from the :menuselection:"
1144 "`Enhance --> Sharpen` menu entry and **Refocus** option."
1145 msgstr ""
1146 
1147 #: ../../image_editor/enhancement_tools.rst:476
1148 msgid ""
1149 "The Refocus technique works differently from **Unsharp Mask** and is also "
1150 "unlike the **Sharpen** Filter which both increase the contrast of the edges "
1151 "of an image. Refocus rather reverses the process by which the image got "
1152 "blurred by the circular aperture of the camera. This method gives you as "
1153 "much of the original \"in focus\" image as possible. Refocus uses a very "
1154 "powerful deconvolution algorithm that will reclaim the data that has been "
1155 "mixed up. In mathematical terms, blurring is usually the result of a "
1156 "convolution, a deconvolution will reverse the process, this is exactly what "
1157 "Refocus is doing. Furthermore, the FIR filter technique allows to remove "
1158 "much of the noise and granularity that often gets accentuated in the "
1159 "sharpening process of all sharpening filters."
1160 msgstr ""
1161 
1162 #: ../../image_editor/enhancement_tools.rst:482
1163 msgid "The Image Editor Refocus Tool"
1164 msgstr ""
1165 
1166 #: ../../image_editor/enhancement_tools.rst:486
1167 msgid ""
1168 "In most cases (blurring by camera) a circular convolution caused the image "
1169 "degradation, but there are two convolutions available:"
1170 msgstr ""
1171 
1172 #: ../../image_editor/enhancement_tools.rst:488
1173 msgid ""
1174 "The **Circular convolution**: this one spreads each source point uniformly "
1175 "across a small disk with a fixed radius. Technically this describes the "
1176 "effects of using a (ideal) lens that is not correctly focused."
1177 msgstr ""
1178 
1179 #: ../../image_editor/enhancement_tools.rst:490
1180 msgid ""
1181 "The **Gaussian convolution**: this one is mathematically similar to the "
1182 "normal distribution, with its bell-shaped curve. Originates rather from "
1183 "unnatural blurring (software blurring). From a theoretical point of view the "
1184 "mathematical justification for using the Gaussian convolution is that when "
1185 "you a apply a large number of independent random convolutions the results "
1186 "will always approach a Gaussian convolution."
1187 msgstr ""
1188 
1189 #: ../../image_editor/enhancement_tools.rst:492
1190 msgid ""
1191 "The refocus tool supports both the Circular and the Gaussian convolution "
1192 "plus mixtures of both."
1193 msgstr ""
1194 
1195 #: ../../image_editor/enhancement_tools.rst:494
1196 msgid ""
1197 "In practice, in most cases the Circular convolution works much better than "
1198 "the Gaussian convolution. The Gaussian convolution has a very long tail, so "
1199 "mathematically the result of the convolution also depends on source pixels "
1200 "at a large distance from the original source pixel. The FIR Wiener inverse "
1201 "of a Gaussian convolution in most cases is heavily influenced by source "
1202 "pixels at a large distances, and in most cases this produces undesirable "
1203 "results."
1204 msgstr ""
1205 
1206 #: ../../image_editor/enhancement_tools.rst:496
1207 msgid ""
1208 "To set correctly the deconvolution filter, the plug-in has the following "
1209 "parameters:"
1210 msgstr ""
1211 
1212 #: ../../image_editor/enhancement_tools.rst:498
1213 msgid ""
1214 "**Circular Sharpness**: This is the radius of the Circular convolution "
1215 "filter. It is the most important parameter for using the plug-in. With most "
1216 "images the default value of 1 should give good results. Select a higher "
1217 "value when your image is very blurred, but beware of producing halos."
1218 msgstr ""
1219 
1220 #: ../../image_editor/enhancement_tools.rst:500
1221 msgid ""
1222 "**Correlation**: Increasing the Correlation may help reducing artifacts. The "
1223 "correlation can range from 0-1. Useful values are 0.5 and values close to 1, "
1224 "e.g. 0.95 and 0.99. Using a high value for the correlation will reduce the "
1225 "sharpening effect of the plug-in."
1226 msgstr ""
1227 
1228 #: ../../image_editor/enhancement_tools.rst:502
1229 msgid ""
1230 "**Noise filter**: Increasing the Noise filter parameter helps reducing "
1231 "artifacts. The Noise can range from 0-1 but values higher than 0.1 are "
1232 "rarely helpful. When the Noise value is too low, e.g. 0 the image quality "
1233 "will be horrible. A useful value is 0.03. Using a high value for the Noise "
1234 "will even blur the image further."
1235 msgstr ""
1236 
1237 #: ../../image_editor/enhancement_tools.rst:504
1238 msgid ""
1239 "**Gaussian Sharpness**: This is the radius for the Gaussian convolution "
1240 "filter. Use this parameter when your blurring is Gaussian (mostly due to "
1241 "previous blur filtering). In most cases you should leave this parameter to "
1242 "0, because it causes nasty artifacts. When you use non-zero values you will "
1243 "probably have to increase the Correlation and/or Noise filter parameters, "
1244 "too."
1245 msgstr ""
1246 
1247 #: ../../image_editor/enhancement_tools.rst:506
1248 msgid ""
1249 "**Matrix size**: This parameter determines the size of the transformation "
1250 "matrix. Increasing the Matrix Size may give better results, especially when "
1251 "you have chosen large values for Circular Sharpness or Gaussian Sharpness. "
1252 "Note that the plug-in will become very slow when you select large values for "
1253 "this parameter. In most cases you should select a value in the range 3-10."
1254 msgstr ""
1255 
1256 #: ../../image_editor/enhancement_tools.rst:508
1257 msgid ""
1258 "**Save As** and **Load**: these buttons are used to do just that. Any "
1259 "Refocus parameters that you have set can be saved to the filesystem and "
1260 "loaded later."
1261 msgstr ""
1262 
1263 #: ../../image_editor/enhancement_tools.rst:512
1264 msgid "Below, you can see few hints to help you work with the refocus tool:"
1265 msgstr ""
1266 
1267 #: ../../image_editor/enhancement_tools.rst:514
1268 msgid ""
1269 "Preferably perform all cropping, color and intensity curve corrections on "
1270 "the image before using this plug-in."
1271 msgstr ""
1272 
1273 #: ../../image_editor/enhancement_tools.rst:516
1274 msgid ""
1275 "Otherwise use this plug-in before performing any other operations on the "
1276 "image. The reason is that many operations on the image will leave boundaries "
1277 "that are not immediately visible but that will leave nasty artifacts."
1278 msgstr ""
1279 
1280 #: ../../image_editor/enhancement_tools.rst:518
1281 msgid ""
1282 "When you are scanning images and compress them, e.g. to JPEG, you should use "
1283 "the plug-in on the uncompressed image."
1284 msgstr ""
1285 
1286 #: ../../image_editor/enhancement_tools.rst:521
1287 msgid "Refocus Comparison with Other Techniques"
1288 msgstr ""
1289 
1290 #: ../../image_editor/enhancement_tools.rst:523
1291 msgid ""
1292 "Comparison to two other techniques frequently used to enhance images are:"
1293 msgstr ""
1294 
1295 #: ../../image_editor/enhancement_tools.rst:525
1296 msgid "**Simple Sharp** Filter."
1297 msgstr ""
1298 
1299 #: ../../image_editor/enhancement_tools.rst:526
1300 msgid "**Unsharp Mask**."
1301 msgstr ""
1302 
1303 #: ../../image_editor/enhancement_tools.rst:528
1304 msgid ""
1305 "Sharpening applies a small convolution matrix that increases the difference "
1306 "between a source pixel and its immediate neighbors. FIR Wiener filtering is "
1307 "a more general technique because it allows a much larger neighborhood and "
1308 "better parameterizations. Sharpening only works when your images are very "
1309 "slightly blurred. Furthermore, for high values of the sharpening parameter "
1310 "the results frequently looks \"noisy\". With FIR Wiener filtering this noise "
1311 "can be greatly reduced by selecting higher values for the **Correlation** "
1312 "and **Noise filter** parameters."
1313 msgstr ""
1314 
1315 #: ../../image_editor/enhancement_tools.rst:530
1316 msgid ""
1317 "Unsharp masking is another very popular image enhancement technique. From a "
1318 "mathematical point of view its justification is a bit obscure but many "
1319 "people are very fond of it. The first step is to create a blurred copy of "
1320 "the source image. Then the difference between the source image and the "
1321 "blurred image is subtracted from the source image, hence the name unsharp "
1322 "masking. If fact, unsharp masking is more of a contrast enhancement on the "
1323 "important image feature than a sharpening. It does not undo the aperture "
1324 "pattern interference of the camera diaphragm as refocus does."
1325 msgstr ""
1326 
1327 #: ../../image_editor/enhancement_tools.rst:532
1328 msgid ""
1329 "In general, unsharp masking produces better results than sharpening. This is "
1330 "probably caused by the fact that unsharp masking uses a larger neighborhood "
1331 "than sharpening."
1332 msgstr ""
1333 
1334 #: ../../image_editor/enhancement_tools.rst:534
1335 msgid ""
1336 "From a theoretical point of view unsharp masking must always introduce "
1337 "artifacts. Even under optimal circumstances it can never completely undo the "
1338 "effect of blurring. For Wiener filtering it is possible to prove that it is "
1339 "the optimal linear filter. In practice, in all cases the results of the FIR "
1340 "Wiener filter were at least as good as those of unsharp masking. The FIR "
1341 "Wiener filter is frequently better in restoring small details."
1342 msgstr ""
1343 
1344 #: ../../image_editor/enhancement_tools.rst:536
1345 msgid ""
1346 "Below, you can see a comparison of different filter apply on a small "
1347 "unfocused image:"
1348 msgstr ""
1349 
1350 #: ../../image_editor/enhancement_tools.rst:543
1351 msgid ""
1352 "Original blurred color image to fix. This image have been taken with an "
1353 "analog still camera. The unfocusing result of an insufficient light for the "
1354 "auto-focus lens."
1355 msgstr ""
1356 
1357 #: ../../image_editor/enhancement_tools.rst:552
1358 msgid "Fixed image using simple sharpening filter. Sharpness setting is 80."
1359 msgstr ""
1360 
1361 #: ../../image_editor/enhancement_tools.rst:560
1362 msgid ""
1363 "Fixed image using unsharp mask filter. Settings are: Radius=50, Amount = 5, "
1364 "and Threshold=0."
1365 msgstr ""
1366 
1367 #: ../../image_editor/enhancement_tools.rst:568
1368 msgid ""
1369 "Fixed image using Refocus filter. Settings are: Circular Sharpness=1.3, "
1370 "Correlation=0.5, Noise Filter=0.020, Gaussian Sharpness=0 and Matrix Size=5."
1371 msgstr ""
1372 
1373 #: ../../image_editor/enhancement_tools.rst:574
1374 msgid ""
1375 "For more information about correction of sharpness methods used in digital "
1376 "imagery, you can find a technical comparison at `this url <http://www.optarc."
1377 "co.uk/bialith//Research/BARclockblur.htm>`_."
1378 msgstr ""
1379 
1380 #: ../../image_editor/enhancement_tools.rst:579
1381 msgid "Healing Clone Tool"
1382 msgstr ""
1383 
1384 #: ../../image_editor/enhancement_tools.rst:581
1385 msgid ""
1386 "The healing tool aims to copy pixel colors from a specific portion of the "
1387 "image, and paste them in another portion of the image using a brush, then "
1388 "apply smoothing. This helps fix artifacts in images, like unwanted spots on "
1389 "someone’s face that can be replaced with more clear skin from a close region "
1390 "of face."
1391 msgstr ""
1392 
1393 #: ../../image_editor/enhancement_tools.rst:583
1394 msgid ""
1395 "The tool settings view on the right side provide a toolbar with 5 buttons. "
1396 "From left to right:"
1397 msgstr ""
1398 
1399 #: ../../image_editor/enhancement_tools.rst:585
1400 msgid "Select Source Point."
1401 msgstr ""
1402 
1403 #: ../../image_editor/enhancement_tools.rst:586
1404 msgid "Polygon Selection With Lasso."
1405 msgstr ""
1406 
1407 #: ../../image_editor/enhancement_tools.rst:587
1408 msgid "Move Image."
1409 msgstr ""
1410 
1411 #: ../../image_editor/enhancement_tools.rst:588
1412 msgid "Undo clone operation."
1413 msgstr ""
1414 
1415 #: ../../image_editor/enhancement_tools.rst:589
1416 msgid "Redo clone operation."
1417 msgstr ""
1418 
1419 #: ../../image_editor/enhancement_tools.rst:591
1420 msgid ""
1421 "Below the toolbar, two sliders allows to tune the clone tool properties. "
1422 "First one select the **Brush Radius** to adjust the size of cloned area from "
1423 "the canvas. A radius of 0 has no effect, 1 and above determine the brush "
1424 "radius configuring the size of parts copied in the image."
1425 msgstr ""
1426 
1427 #: ../../image_editor/enhancement_tools.rst:593
1428 msgid ""
1429 "Second one is the amount of **Radius Blur** effect in percent applied on "
1430 "data cloned over the canvas. A percent of 0 has no effect, values above 0 "
1431 "represent a factor for mixing the destination color with source color this "
1432 "is done radially i.e. the inner part of the brush radius is totally from "
1433 "source and mixing with destination is done gradually till the outer part of "
1434 "the circle."
1435 msgstr ""
1436 
1437 #: ../../image_editor/enhancement_tools.rst:599
1438 msgid "The Image Editor Healing Clone Tool to Remove Unwanted Artifacts"
1439 msgstr ""
1440 
1441 #: ../../image_editor/enhancement_tools.rst:601
1442 msgid ""
1443 "To select the source of image to clone, press **S**, or the **Source "
1444 "selection** button from the toolbar on the top of settings view. The cursor "
1445 "will change to aim-shape, to let you decide the central source button where "
1446 "you will start cloning from."
1447 msgstr ""
1448 
1449 #: ../../image_editor/enhancement_tools.rst:608
1450 msgid ""
1451 "Screencast of Image Editor Healing Clone Fixing an Artifact with Spot Tool"
1452 msgstr ""
1453 
1454 #: ../../image_editor/enhancement_tools.rst:610
1455 msgid ""
1456 "The tool provide also a **Lasso** and **Polygon** selector for the healing "
1457 "clone operations. You can either press :kbd:`L` or the **Lasso selector** "
1458 "button from the toolbar on the top of settings view. The cursor will change "
1459 "to a pen shape, and you can select discrete points as you like. The polygon "
1460 "edges will be drawn, you just need to press and move your mouse to complete "
1461 "the selection form. You don’t have to draw all the region in one time. The "
1462 "polygon will close on itself if you press :kbd:`L` again."
1463 msgstr ""
1464 
1465 #: ../../image_editor/enhancement_tools.rst:612
1466 msgid ""
1467 "Now only cloning inside the selected region will happens, cloning outside "
1468 "will be ignored, unless you press :kbd:`L` again or :kbd:`Esc` to deactivate "
1469 "the lasso mode. Once you do that, you can clone anywhere in the screen as "
1470 "usual. Also pressing :kbd:`Esc` while in the process of drawing the lasso "
1471 "polygon will cancel the lasso operation. Here is a screenshot of a lasso "
1472 "polygon selection, and a large portion of the image cloned inside this lasso "
1473 "portion. Of course pressing :kbd:`L` or :kbd:`Esc` again will remove the "
1474 "lasso boundary, keeping the cloned pixels in place, as expected."
1475 msgstr ""
1476 
1477 #: ../../image_editor/enhancement_tools.rst:619
1478 msgid "Screencast of Image Editor Healing Clone Fixing an Area Using Lasso"
1479 msgstr ""
1480 
1481 #: ../../image_editor/enhancement_tools.rst:621
1482 msgid ""
1483 "You can undo and redo using toolbar buttons from the toolbar on the top of "
1484 "settings view. Two keyboard shortcuts are assigned to the tool: :kbd:`Ctrl"
1485 "+Z` for undo and :kbd:`Ctrl+Shift+Z` for redo. You can undo and redo without "
1486 "limitation."
1487 msgstr ""
1488 
1489 #: ../../image_editor/enhancement_tools.rst:626
1490 msgid "G'MIC-Qt Tool"
1491 msgstr ""
1492 
1493 #: ../../image_editor/enhancement_tools.rst:628
1494 msgid ""
1495 "G'MIC-Qt is 3rd-party image editing tool provided as a plug-in. It is named "
1496 "**G'MIC** for **GREYC’s Magic for Image Computing**, `an open-source image "
1497 "processing framework <https://gmic.eu/>`_. The full list of G'MIC features "
1498 "is long and cannot be detailed here as it comes with over than 500 "
1499 "interesting functions to explore. It comes with filters for changing colors, "
1500 "creating patterns, adding artistic touches, repairing inconsistencies in "
1501 "pictures, rendering shapes, and much more. The plugin is highly "
1502 "customizable, with the ability to set favorites and even add your own "
1503 "filters."
1504 msgstr ""
1505 
1506 #: ../../image_editor/enhancement_tools.rst:630
1507 msgid ""
1508 "G'MIC-Qt is not included in the digiKam source code. Rather, it is a 3rd-"
1509 "party plugin included in binary distributions of digiKam, as the Windows, "
1510 "macOS, and Linux bundles. It can be started from the :menuselection:`Enhance "
1511 "--> G'MIC-Qt` menu entry or uses the icons from Tools in Right sidebar. "
1512 "G’MIC-Qt can be used as you do with other filters, the main difference is "
1513 "that instead of opening a specific filter tab on right sidebar, it opens up "
1514 "a window where you can pick through any of the pre-defined filters."
1515 msgstr ""
1516 
1517 #: ../../image_editor/enhancement_tools.rst:636
1518 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Bokeh Filter"
1519 msgstr ""
1520 
1521 #: ../../image_editor/enhancement_tools.rst:638
1522 msgid "The categories of **Available filters** in the list are listed below:"
1523 msgstr ""
1524 
1525 #: ../../image_editor/enhancement_tools.rst:640
1526 msgid ""
1527 "**About**: these entries are not filters, but just show different "
1528 "information about G'MIC-Qt on the settings view. The **About/Download "
1529 "External Data** entry allows to load new filter definitions via internet."
1530 msgstr ""
1531 
1532 #: ../../image_editor/enhancement_tools.rst:642
1533 msgid ""
1534 "**Array and tiles**: this filter collection allows transforming photos as "
1535 "toys, puzzles, maps, and decorative shapes."
1536 msgstr ""
1537 
1538 #: ../../image_editor/enhancement_tools.rst:648
1539 msgid ""
1540 "The Image Editor G'MIC-Qt Tool Running the Array-and-Tiles/Puzzle Filter"
1541 msgstr ""
1542 
1543 #: ../../image_editor/enhancement_tools.rst:650
1544 msgid ""
1545 "**Artistic**: this filter collection applies great traditional effects that "
1546 "seek to transform a photograph into a drawing or painting."
1547 msgstr ""
1548 
1549 #: ../../image_editor/enhancement_tools.rst:656
1550 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Rodilius Filter"
1551 msgstr ""
1552 
1553 #: ../../image_editor/enhancement_tools.rst:658
1554 msgid ""
1555 "**Black and White**: this filter collection is dedicated to processing "
1556 "images in gray-scale style, as usual to convert, process the invert to "
1557 "colorize, reduce the map, or simulate fusain drawing."
1558 msgstr ""
1559 
1560 #: ../../image_editor/enhancement_tools.rst:664
1561 msgid ""
1562 "The Image Editor G'MIC-Qt Tool Running the Black-and-White/Colorize Filter"
1563 msgstr ""
1564 
1565 #: ../../image_editor/enhancement_tools.rst:666
1566 msgid ""
1567 "**Colors**: this filter collection allows the user to define transformation "
1568 "functions operating in different color-spaces, apply LUTs, mix/adjust "
1569 "channels or correct tones by content analysis."
1570 msgstr ""
1571 
1572 #: ../../image_editor/enhancement_tools.rst:672
1573 msgid "The Image Editor G'MIC-Qt Tool Running the Colors/Mixer-Lab Filter"
1574 msgstr ""
1575 
1576 #: ../../image_editor/enhancement_tools.rst:674
1577 msgid ""
1578 "**Contours**: this filter collection applies the pixel's neighborhood local "
1579 "transformations over the whole photo."
1580 msgstr ""
1581 
1582 #: ../../image_editor/enhancement_tools.rst:680
1583 msgid "The Image Editor G'MIC-Qt Tool Running the Contours/Super-Pixels Filter"
1584 msgstr ""
1585 
1586 #: ../../image_editor/enhancement_tools.rst:682
1587 msgid ""
1588 "**Deformations**: this filter collection applies physical distortions to the "
1589 "photo."
1590 msgstr ""
1591 
1592 #: ../../image_editor/enhancement_tools.rst:688
1593 msgid ""
1594 "The Image Editor G'MIC-Qt Tool Running the Deformations/Drop Water Filter"
1595 msgstr ""
1596 
1597 #: ../../image_editor/enhancement_tools.rst:690
1598 msgid ""
1599 "**Degradations**: this filter collection reproduces photographic alterations "
1600 "such as blur, noise, grain, and lens aberrations."
1601 msgstr ""
1602 
1603 #: ../../image_editor/enhancement_tools.rst:696
1604 msgid ""
1605 "The Image Editor G'MIC-Qt Tool Running the Degradations/Chromatic-"
1606 "Aberrations Filter"
1607 msgstr ""
1608 
1609 #: ../../image_editor/enhancement_tools.rst:698
1610 msgid ""
1611 "**Details**: this filter collection enhances the details in your photos with "
1612 "an armada of multi-scale enhancement algorithms to bring out details and "
1613 "colors of different sizes in photos."
1614 msgstr ""
1615 
1616 #: ../../image_editor/enhancement_tools.rst:704
1617 msgid "The Image Editor G'MIC-Qt Tool Running the Details/Mighty Filter"
1618 msgstr ""
1619 
1620 #: ../../image_editor/enhancement_tools.rst:706
1621 msgid ""
1622 "**Frames**: one other artistic filter collection dedicated to decorating "
1623 "your photo with ornaments."
1624 msgstr ""
1625 
1626 #: ../../image_editor/enhancement_tools.rst:712
1627 msgid "The Image Editor G'MIC-Qt Tool Running the Frames/Droste Filter"
1628 msgstr ""
1629 
1630 #: ../../image_editor/enhancement_tools.rst:714
1631 msgid ""
1632 "**Frequencies**: this filter collection is based on Fourier Transforms "
1633 "analysis."
1634 msgstr ""
1635 
1636 #: ../../image_editor/enhancement_tools.rst:720
1637 msgid "The Image Editor G'MIC-Qt Tool Running the Frequencies/Bandpass Filter"
1638 msgstr ""
1639 
1640 #: ../../image_editor/enhancement_tools.rst:722
1641 msgid ""
1642 "**Layers**: this filter collection works on layers or export contents to "
1643 "separate layers. As layers are not supported by Image Editor, usage of these "
1644 "filters is limited."
1645 msgstr ""
1646 
1647 #: ../../image_editor/enhancement_tools.rst:728
1648 msgid ""
1649 "The Image Editor G'MIC-Qt Tool Running the Layers/Tiles-to-Layers Filter"
1650 msgstr ""
1651 
1652 #: ../../image_editor/enhancement_tools.rst:730
1653 msgid ""
1654 "**Lights and Shadows**: this filter collection allows adjustment of under-"
1655 "exposed and over-exposed contents from a photo. It's also possible to patch "
1656 "the image with a supplemental source of light."
1657 msgstr ""
1658 
1659 #: ../../image_editor/enhancement_tools.rst:736
1660 msgid ""
1661 "The Image Editor G'MIC-Qt Tool Running the Lights-and-Shadows/Pop-Shadows "
1662 "Filter"
1663 msgstr ""
1664 
1665 #: ../../image_editor/enhancement_tools.rst:738
1666 msgid ""
1667 "**Patterns**: this filter collection is a set of recursive image generation "
1668 "methods which can produce original and interesting geometric forms."
1669 msgstr ""
1670 
1671 #: ../../image_editor/enhancement_tools.rst:744
1672 msgid "The Image Editor G'MIC-Qt Tool Running the Patterns/Halftone Filter"
1673 msgstr ""
1674 
1675 #: ../../image_editor/enhancement_tools.rst:746
1676 msgid ""
1677 "**Renderings**: this filter collection superimposes generated artificial "
1678 "forms based on mathematical solutions."
1679 msgstr ""
1680 
1681 #: ../../image_editor/enhancement_tools.rst:752
1682 msgid "The Image Editor G'MIC-Qt Tool Running the Rendering/Lightning Filter"
1683 msgstr ""
1684 
1685 #: ../../image_editor/enhancement_tools.rst:754
1686 msgid ""
1687 "**Repair**: this filter collection includes advanced algorithms to help with "
1688 "image noise/glitch/objects/artifacts/compression removal. This kind of "
1689 "filter tries to fix very challenging problems that have occupied image-"
1690 "processing researchers for several generations."
1691 msgstr ""
1692 
1693 #: ../../image_editor/enhancement_tools.rst:760
1694 msgid ""
1695 "The Image Editor G'MIC-Qt Tool Running the Repair/Denoise Filter based on "
1696 "convolutional neural networks"
1697 msgstr ""
1698 
1699 #: ../../image_editor/enhancement_tools.rst:762
1700 msgid "**Sequences**: this filters collection generates animation from photos."
1701 msgstr ""
1702 
1703 #: ../../image_editor/enhancement_tools.rst:768
1704 msgid ""
1705 "The Image Editor G'MIC-Qt Tool Running the Sequences/3D_Image-Object Filter"
1706 msgstr ""
1707 
1708 #: ../../image_editor/enhancement_tools.rst:770
1709 msgid ""
1710 "**Silhouettes**: this filter collection superimposes forms such as animal "
1711 "finger-print, icons, nature shapes, etc."
1712 msgstr ""
1713 
1714 #: ../../image_editor/enhancement_tools.rst:776
1715 msgid ""
1716 "The Image Editor G'MIC-Qt Tool Running the Silhouettes/Nature/Barnsley-Fern "
1717 "Filter"
1718 msgstr ""
1719 
1720 #: ../../image_editor/enhancement_tools.rst:778
1721 msgid "**Stereoscopic 3D**: this filter collection renders photos in relief."
1722 msgstr ""
1723 
1724 #: ../../image_editor/enhancement_tools.rst:784
1725 msgid ""
1726 "The Image Editor G'MIC-Qt Tool Running the Stereoscopic-3D/Stereo-Image "
1727 "Filter"
1728 msgstr ""
1729 
1730 #: ../../image_editor/enhancement_tools.rst:786
1731 msgid ""
1732 "**Testing**: this filter collection groups all tools under development. Take "
1733 "care: these filters can be unstable and give weird effects."
1734 msgstr ""
1735 
1736 #: ../../image_editor/enhancement_tools.rst:788
1737 msgid ""
1738 "**Various**: this filters collection groups tools which cannot be "
1739 "categorized in others collections. A G'MIC code editor can be found to "
1740 "create and test new filters."
1741 msgstr ""
1742 
1743 #: ../../image_editor/enhancement_tools.rst:794
1744 msgid "The Image Editor G'MIC-Qt Tool Running the Various/Custom-Code Filter"
1745 msgstr ""
1746 
1747 #: ../../image_editor/enhancement_tools.rst:796
1748 msgid ""
1749 "The default layout of G'MIC-Qt is quite simple (this can be changed in the "
1750 "G'MIC-Qt **Settings** dialog). See below the description of each pane:"
1751 msgstr ""
1752 
1753 #: ../../image_editor/enhancement_tools.rst:798
1754 msgid ""
1755 "On the left, there is the preview. With some filters, the whole image is "
1756 "displayed, and with other filters it will be shown a 100% crop detail, "
1757 "depending on the kind of effect that we are going to activate."
1758 msgstr ""
1759 
1760 #: ../../image_editor/enhancement_tools.rst:800
1761 msgid ""
1762 "In the middle, there is the useful search bar at the top, with a list of "
1763 "groups of effects below. Each group can be opened with a double click or by "
1764 "clicking the small arrow on the left of the name."
1765 msgstr ""
1766 
1767 #: ../../image_editor/enhancement_tools.rst:802
1768 msgid ""
1769 "On the right would appear the settings of the selected filter, if we had "
1770 "selected one below, to confirm the changes, there are the **Apply** and the "
1771 "**Ok** buttons. The **Cancel** button stops all current processing and "
1772 "returns to the Image Editor."
1773 msgstr ""
1774 
1775 #: ../../image_editor/enhancement_tools.rst:804
1776 msgid ""
1777 "You can search a filter using their groups, but the fastest way to find them "
1778 "is to use the **Search** bar at the top of the list. If the filter "
1779 "categories look a bit daunting, it's possible to add the most used filters "
1780 "in a favorites list and to apply a color tag using the filters tree-view "
1781 "context menu. On the bottom, the **Add Fave** button allows appending an "
1782 "entry in the first section named **Faves** on the list."
1783 msgstr ""
1784 
1785 #: ../../image_editor/enhancement_tools.rst:810
1786 msgid ""
1787 "The Image Editor G'MIC-Qt Tool Filters Tree-View and the Favorites Context "
1788 "Menu"
1789 msgstr ""
1790 
1791 #: ../../image_editor/enhancement_tools.rst:812
1792 msgid "For mostly all the G'MIC-Qt filters you can see these behaviors:"
1793 msgstr ""
1794 
1795 #: ../../image_editor/enhancement_tools.rst:814
1796 msgid ""
1797 "When you render the filter on whole data from Image Editor by pressing "
1798 "**Apply** or **Ok** buttons, the processing time can be quite long, with "
1799 "many megapixels images. If the computer is not powerful enough, time to "
1800 "process an image can take a while. A **Progress Bar** on the bottom of the "
1801 "G'MIC-Qt dialog will indicate the computation progress."
1802 msgstr ""
1803 
1804 #: ../../image_editor/enhancement_tools.rst:820
1805 msgid "The Image Editor G'MIC-Qt Tool Progress Bar"
1806 msgstr ""
1807 
1808 #: ../../image_editor/enhancement_tools.rst:822
1809 msgid ""
1810 "If a filter has many parameter settings, some may not be visible; use the "
1811 "scroll bar to access more settings. Also, it's possible to enlarge the G'MIC-"
1812 "Qt dialog if necessary, or switch to **Fullscreen** with the button on the "
1813 "bottom."
1814 msgstr ""
1815 
1816 #: ../../image_editor/enhancement_tools.rst:824
1817 msgid ""
1818 "Depending on the filter, some parameters can require many iterations on the "
1819 "image and increase processing time. Adjust the settings carefully, as the "
1820 "times can increase exponentially before seeing the result."
1821 msgstr ""
1822 
1823 #: ../../image_editor/enhancement_tools.rst:826
1824 msgid ""
1825 "The filter preview can be adjusted to compare the results before and after "
1826 "the effect. **Preview Type** settings are available in the parameters pane."
1827 msgstr ""
1828 
1829 #: ../../image_editor/enhancement_tools.rst:832
1830 msgid ""
1831 "The Image Editor G'MIC-Qt Tool Preview Type Settings From the Colors/Color-"
1832 "Blindness Filter"
1833 msgstr ""
1834 
1835 #: ../../image_editor/enhancement_tools.rst:834
1836 msgid ""
1837 "The **Settings** button on the bottom left will show the G'MIC-Qt "
1838 "configuration dialog with tree tabs:"
1839 msgstr ""
1840 
1841 #: ../../image_editor/enhancement_tools.rst:836
1842 msgid ""
1843 "First one is used to customize the G'MIC-Qt **Interface**, as the layout of "
1844 "the tool panes, the language to enable, the preview behavior, and the native "
1845 "dialog to use."
1846 msgstr ""
1847 
1848 #: ../../image_editor/enhancement_tools.rst:842
1849 msgid "The Image Editor G'MIC-Qt Tool Settings/Interface Dialog Tab"
1850 msgstr ""
1851 
1852 #: ../../image_editor/enhancement_tools.rst:844
1853 msgid ""
1854 "Second one to set up the **Filter sources**, such as where to take filter "
1855 "updates and where to store them on your computer."
1856 msgstr ""
1857 
1858 #: ../../image_editor/enhancement_tools.rst:850
1859 msgid "The Image Editor G'MIC-Qt Tool Settings/Filter-Sources Dialog Tab"
1860 msgstr ""
1861 
1862 #: ../../image_editor/enhancement_tools.rst:852
1863 msgid ""
1864 "The last one is to tune **Other** parameters, such as when to check for "
1865 "online updates, and the debug verbosity on the console (useful for filter "
1866 "developers)."
1867 msgstr ""
1868 
1869 #: ../../image_editor/enhancement_tools.rst:858
1870 msgid "The Image Editor G'MIC-Qt Tool Settings/Other Dialog Tab"
1871 msgstr ""
1872 
1873 #: ../../image_editor/enhancement_tools.rst:860
1874 msgid ""
1875 "It's suggested to explore all the available effects in G'MIC-Qt, as you can "
1876 "find interesting artistic solutions for your photo. See `this online review "
1877 "<https://jpfleury.github.io/gfo-demos/demos/fruits-400/index.html>`_ of all "
1878 "G'MIC-Qt filters for details."
1879 msgstr ""