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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 ""