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0001 msgid "" 0002 msgstr "" 0003 "Project-Id-Version: kdeorg\n" 0004 "Report-Msgid-Bugs-To: \n" 0005 "POT-Creation-Date: 2023-12-02 00:35+0000\n" 0006 "PO-Revision-Date: 2024-02-05 11:41\n" 0007 "Last-Translator: \n" 0008 "Language-Team: Chinese Simplified\n" 0009 "Language: zh_CN\n" 0010 "MIME-Version: 1.0\n" 0011 "Content-Type: text/plain; charset=UTF-8\n" 0012 "Content-Transfer-Encoding: 8bit\n" 0013 "Plural-Forms: nplurals=1; plural=0;\n" 0014 "X-Crowdin-Project: kdeorg\n" 0015 "X-Crowdin-Project-ID: 269464\n" 0016 "X-Crowdin-Language: zh-CN\n" 0017 "X-Crowdin-File: /kf5-trunk/messages/digikam-doc/" 0018 "docs_digikam_org_image_editor___enhancement_tools.pot\n" 0019 "X-Crowdin-File-ID: 41547\n" 0020 0021 #: ../../image_editor/enhancement_tools.rst:1 0022 msgid "digiKam Image Editor Enhancement Tools" 0023 msgstr "" 0024 0025 #: ../../image_editor/enhancement_tools.rst:1 0026 msgid "" 0027 "digiKam, documentation, user manual, photo management, open source, free, " 0028 "learn, easy, image, editor, healing, clone, lens, distortion, sharpen, blur, " 0029 "red, eyes, local, contrast, noise, reduction, hot, pixels, restoration, " 0030 "vignetting" 0031 msgstr "" 0032 0033 #: ../../image_editor/enhancement_tools.rst:14 0034 msgid "Enhancement Tools" 0035 msgstr "" 0036 0037 #: ../../image_editor/enhancement_tools.rst:16 0038 msgid "Contents" 0039 msgstr "" 0040 0041 #: ../../image_editor/enhancement_tools.rst:21 0042 msgid "Lens Distortion Correction" 0043 msgstr "" 0044 0045 #: ../../image_editor/enhancement_tools.rst:23 0046 msgid "" 0047 "The Lens Distortion is a tool to correct spherical lens aberrations on the " 0048 "photos." 0049 msgstr "" 0050 0051 #: ../../image_editor/enhancement_tools.rst:25 0052 msgid "" 0053 "Barrel distortion is associated with wide angle (or minimal zoom) lenses. It " 0054 "causes the images to appear slightly spherical (curved outward) like a " 0055 "barrel. You can notice this when you have straight features close to the " 0056 "image's peripheral sides. Pincushion distortion is the opposite defect and " 0057 "is associated with Telephoto lenses (maximum zoom) or underwater images. The " 0058 "images appear pinched (bent inward) toward the center. The Pincushion is " 0059 "often less noticeable than barrel but are equally visible near the edges. " 0060 "These distortions can easily be eliminated without visible loss in quality " 0061 "with this tool." 0062 msgstr "" 0063 0064 #: ../../image_editor/enhancement_tools.rst:29 0065 msgid "" 0066 "This tool treats the geometrical distortions. Chromatic aberrations will not " 0067 "be corrected by this tool. See the **Lens Auto Correction** tool instead." 0068 msgstr "" 0069 0070 #: ../../image_editor/enhancement_tools.rst:31 0071 msgid "" 0072 "The following figures explain the main types of geometrical distortions:" 0073 msgstr "" 0074 0075 #: ../../image_editor/enhancement_tools.rst:33 0076 msgid "(1): Pincushion distortion." 0077 msgstr "" 0078 0079 #: ../../image_editor/enhancement_tools.rst:35 0080 msgid "(2): No distortion." 0081 msgstr "" 0082 0083 #: ../../image_editor/enhancement_tools.rst:37 0084 msgid "(3): Barrel distortion." 0085 msgstr "" 0086 0087 #: ../../image_editor/enhancement_tools.rst:43 0088 msgid "The Geometrical Distortion Types" 0089 msgstr "" 0090 0091 #: ../../image_editor/enhancement_tools.rst:47 0092 msgid "" 0093 "A bit of explanation first. The geometrical corrections use 4th-order " 0094 "polynomial coefficients:" 0095 msgstr "" 0096 0097 #: ../../image_editor/enhancement_tools.rst:49 0098 msgid "" 0099 "The 1st-order coefficient changes the size of the image. The tool calls this " 0100 "**Zoom**." 0101 msgstr "" 0102 0103 #: ../../image_editor/enhancement_tools.rst:51 0104 msgid "" 0105 "The 2nd-order coefficient treats the main geometrical distortion of lenses " 0106 "and can correct the convex or concave shape of the image." 0107 msgstr "" 0108 0109 #: ../../image_editor/enhancement_tools.rst:53 0110 msgid "" 0111 "The 3rd-order coefficient has a similar rounding effect but levels off " 0112 "towards the edges. This correction is not employed in the tool." 0113 msgstr "" 0114 0115 #: ../../image_editor/enhancement_tools.rst:55 0116 msgid "" 0117 "The 4th-order coefficient corrects the far edges inversely to the 2nd-order " 0118 "rounding. Combining it with the 2nd-order correction the geometrical " 0119 "distortions can be almost completely eliminated." 0120 msgstr "" 0121 0122 #: ../../image_editor/enhancement_tools.rst:61 0123 msgid "The Image Editor Lens Distortion Tool" 0124 msgstr "" 0125 0126 #: ../../image_editor/enhancement_tools.rst:63 0127 msgid "Four sliders let you set the distortion correction filter:" 0128 msgstr "" 0129 0130 #: ../../image_editor/enhancement_tools.rst:65 0131 msgid "" 0132 "**Main**: this value controls the amount of 2nd-order distortion. Negative " 0133 "values correct barrel distortions, while positive values correct pincushion " 0134 "distortion." 0135 msgstr "" 0136 0137 #: ../../image_editor/enhancement_tools.rst:67 0138 msgid "" 0139 "**Edge**: this value controls the amount of 4th-order distortion. The Edge " 0140 "control has more effect at the edges of the image than at the center. For " 0141 "most lenses, the **Edge** parameter has the opposite sign of the **Main** " 0142 "parameter." 0143 msgstr "" 0144 0145 #: ../../image_editor/enhancement_tools.rst:69 0146 msgid "" 0147 "**Zoom**: this value rescales the overall image size (1st-order correction). " 0148 "Negative values zoom out of the image, while positive values zoom in." 0149 msgstr "" 0150 0151 #: ../../image_editor/enhancement_tools.rst:71 0152 msgid "" 0153 "**Brighten**: this control adjusts the brightness in image corners. Negative " 0154 "values decrease the brightness image corners, while positive values increase " 0155 "it." 0156 msgstr "" 0157 0158 #: ../../image_editor/enhancement_tools.rst:73 0159 msgid "" 0160 "To help you to choose the best filter settings, the widget dialog " 0161 "illustrates with a thumbnail preview the distortion correction applied to a " 0162 "crossed mesh pattern. The values you apply to your image will be saved and " 0163 "come up with the same values as default the next time you call the tool." 0164 msgstr "" 0165 0166 #: ../../image_editor/enhancement_tools.rst:77 0167 msgid "" 0168 "The barrel-pincushion correction should be done before any crop or size " 0169 "changes (including perspective correction). In fact the Barrel-Pincushion " 0170 "corrections should be the very first step on the original image. If you crop " 0171 "the image and then use barrel correction the effect would be obviously wrong." 0172 msgstr "" 0173 0174 #: ../../image_editor/enhancement_tools.rst:79 0175 msgid "" 0176 "To help you finding the best correction the tool provides a vertical and " 0177 "horizontal guide. Move the mouse cursor in the image preview to display the " 0178 "dashed lines guide. Move the cursor to an important place in the image like " 0179 "the sea level or a building border and press the left mouse button for " 0180 "freeze the dashed lines position. Now, adjust the barrel/pincushion " 0181 "correction to align with the guide." 0182 msgstr "" 0183 0184 #: ../../image_editor/enhancement_tools.rst:81 0185 msgid "" 0186 "When using pincushion correction the resulting image will have a black " 0187 "border in the corner. You will need to cut this out with a crop tool " 0188 "available in :menuselection:`Transform --> Crop` Image Editor menu or via " 0189 "the zoom slider of this dialog." 0190 msgstr "" 0191 0192 #: ../../image_editor/enhancement_tools.rst:83 0193 msgid "" 0194 "On most images using the barrel correction is enough, however with some " 0195 "shots such as front images, frames, paintings, the next logical step is to " 0196 "use perspective correction to make all the angles 90 degrees. Note that when " 0197 "you hold your camera by hand you almost always introduce some kind of slight " 0198 "perspective distortion." 0199 msgstr "" 0200 0201 #: ../../image_editor/enhancement_tools.rst:88 0202 msgid "Vignetting Correction" 0203 msgstr "" 0204 0205 #: ../../image_editor/enhancement_tools.rst:91 0206 #: ../../image_editor/enhancement_tools.rst:198 0207 #: ../../image_editor/enhancement_tools.rst:405 0208 msgid "Overview" 0209 msgstr "" 0210 0211 #: ../../image_editor/enhancement_tools.rst:93 0212 msgid "" 0213 "digiKam The Vignetting correction is a tool to correct image vignetting " 0214 "(under-exposure in the corners)." 0215 msgstr "" 0216 0217 #: ../../image_editor/enhancement_tools.rst:95 0218 msgid "" 0219 "Wide angle lenses, especially those used in medium and large format " 0220 "photography, frequently do not uniformly illuminate the entire sensor plane. " 0221 "Instead, they *vignette* (shade) the edges and corners of the image, " 0222 "substantially reducing the light reaching the sensor there. But telelenses " 0223 "may show vignetting too." 0224 msgstr "" 0225 0226 #: ../../image_editor/enhancement_tools.rst:97 0227 msgid "" 0228 "The traditional solution for this is to attach a *center filter* to the " 0229 "lens. This is a neutral density filter with maximum density at the optical " 0230 "axis of the lens, clear at the periphery, with density varying inversely to " 0231 "the vignetting of the lens. A center filter has many advantages: not only " 0232 "does it automatically correct for full-frame images but, since it's fixed to " 0233 "the front of the lens, it also compensates for the off-center vignetting " 0234 "which occurs when camera movements are employed for perspective or plane of " 0235 "focus adjustment." 0236 msgstr "" 0237 0238 #: ../../image_editor/enhancement_tools.rst:99 0239 msgid "" 0240 "But there are disadvantages as well. Many center filters require a 1.5 or 2 " 0241 "f-stop filter factor adjustment, which may in turn necessitate a shutter " 0242 "speed so slow (since wide angle lenses, even with center filters, are best " 0243 "used at apertures of f/16 or smaller) that hand-holding the camera is " 0244 "impossible and motion blur becomes a problem when photographing moving " 0245 "objects." 0246 msgstr "" 0247 0248 #: ../../image_editor/enhancement_tools.rst:101 0249 msgid "" 0250 "With the wide exposure range of present-day film and the color (or grey-" 0251 "scale) depth of digital camera or film scanners, it is possible to simulate " 0252 "the effect of a center filter by applying an equivalent transform to a raw " 0253 "image taken without the filter." 0254 msgstr "" 0255 0256 #: ../../image_editor/enhancement_tools.rst:104 0257 msgid "Using the vignetting correction tool" 0258 msgstr "" 0259 0260 #: ../../image_editor/enhancement_tools.rst:110 0261 msgid "The Vignetting Correction Types" 0262 msgstr "" 0263 0264 #: ../../image_editor/enhancement_tools.rst:112 0265 msgid "" 0266 "Five sliders give you control over the vignetting correction filter, and " 0267 "three more over the target image exposure:" 0268 msgstr "" 0269 0270 #: ../../image_editor/enhancement_tools.rst:114 0271 msgid "" 0272 "**Amount**: this option controls the degree of luminosity attenuation by the " 0273 "filter at its point of maximum amount. The default amount is 2.0, which " 0274 "corresponds to an optical filter with a 1 f-stop filter factor (or, by no " 0275 "coincidence, a factor of 2 in luminosity). Increase the amount to compensate " 0276 "for a greater degree of vignetting; reduce it for less." 0277 msgstr "" 0278 0279 #: ../../image_editor/enhancement_tools.rst:116 0280 msgid "" 0281 "**Feather**: this option determines the rate at which the filter intensity " 0282 "falls off from the point of maximum amount toward the edges, expressed as a " 0283 "power factor. The default of 1 yields a linear reduction in filter amount " 0284 "with distance from the center. Power factors greater than 1.0 cause a faster " 0285 "fall-off (for example, a power of 2 causes the amount to decrease as the " 0286 "square of the distance from the center) and causes the effect of the filter " 0287 "to be concentrated near the center. Powers less than 1 spread out the amount " 0288 "of the filter toward the edges; a power of 0.5 causes the amount to fall as " 0289 "the square root of the distance from the center." 0290 msgstr "" 0291 0292 #: ../../image_editor/enhancement_tools.rst:118 0293 msgid "" 0294 "**Radius**: this option specifies the radius, as a multiple of the half " 0295 "diagonal measure of the image, at which the amount of the filter falls off " 0296 "to zero (or, in other words, becomes transparent). The default value of 1.0 " 0297 "specifies a filter which is transparent at its corners. A radius " 0298 "specification greater than 1 extends the effect of the center filter beyond " 0299 "the edges of the image, while a radius less than one limits the filter's " 0300 "action to a region smaller than the image. When compensating for vignetting " 0301 "by lenses used with large format and some medium format cameras, the default " 0302 "radius factor of 1 is rarely correct! These lenses often \"cover\" an image " 0303 "circle substantially larger than the film to permit camera movements to " 0304 "control perspective and focus, and consequently have a vignetting pattern " 0305 "which extends well beyond the edges of the film, requiring a radius setting " 0306 "greater than 1 to simulate a center filter covering the entire image circle." 0307 msgstr "" 0308 0309 #: ../../image_editor/enhancement_tools.rst:120 0310 msgid "" 0311 "**X offset** and **Y offset** settings: these options moves respectively the " 0312 "center of the filter horizontally or vertically up to the border of the " 0313 "image by the specified percentage. A negative value for the X offset will " 0314 "shift the filter to the left while a positive value will shift it to the " 0315 "right. A negative value for the Y offset will move the filter up, and " 0316 "finally a positive value will move it down." 0317 msgstr "" 0318 0319 #: ../../image_editor/enhancement_tools.rst:122 0320 msgid "" 0321 "**Add Vignetting**: many photographs looks flat because of a distracting " 0322 "background or another composition matter. While most of time you will want " 0323 "to remove vignetting it is a fact that a selective vignetting could improve " 0324 "the readability of a photograph and draw the eyes to the intended subject. " 0325 "As an artist you may choose this option, ticking it will invert the filter " 0326 "thus darkening the corners of a photograph." 0327 msgstr "" 0328 0329 #: ../../image_editor/enhancement_tools.rst:124 0330 msgid "" 0331 "The only way to be sure which settings of **Amount**, **Feather**, and " 0332 "**Radius** best compensate for the actual optical characteristics of a given " 0333 "lens is to expose a uniformly illuminated scene (for example, a grey card " 0334 "lit by diffuse light) and perform densitometry on the resulting image (for " 0335 "example with Adjust Level tool histogram position bar). Failing that, or " 0336 "specifications by the lens manufacturer giving the precise degree of " 0337 "vignetting at one or more working apertures, you may have to experiment with " 0338 "different settings to find those which work best for each of your lenses. " 0339 "For help you in this task, the widget dialog provide a thumbnail mask " 0340 "rendering applied on the image. Fortunately, the response of the human eye " 0341 "is logarithmic, not linear like most digital imaging sensors, so you needn't " 0342 "precisely compensate for the actual vignetting to create images which " 0343 "viewers will perceive as uniformly illuminated." 0344 msgstr "" 0345 0346 #: ../../image_editor/enhancement_tools.rst:128 0347 msgid "" 0348 "If you want a finer exposure re-adjustment of the target image, use the " 0349 "Adjust Curve tool from Image Editor available under :menuselection:`Color --" 0350 "> Adjust Curve` menu entry." 0351 msgstr "" 0352 0353 #: ../../image_editor/enhancement_tools.rst:131 0354 msgid "The vignetting correction tool in action" 0355 msgstr "" 0356 0357 #: ../../image_editor/enhancement_tools.rst:133 0358 msgid "" 0359 "This is an example of an anti vignetting correction applied to an image. The " 0360 "original image on the top shows vignetting in the corners, the corrected " 0361 "image on the bottom much less. The values used for this example are:" 0362 msgstr "" 0363 0364 #: ../../image_editor/enhancement_tools.rst:135 0365 msgid "Density = 2.6." 0366 msgstr "" 0367 0368 #: ../../image_editor/enhancement_tools.rst:137 0369 msgid "Power = 0.9." 0370 msgstr "" 0371 0372 #: ../../image_editor/enhancement_tools.rst:139 0373 msgid "Radius = 1.1." 0374 msgstr "" 0375 0376 #: ../../image_editor/enhancement_tools.rst:145 0377 msgid "The Image Editor Anti-Vignetting Tool" 0378 msgstr "" 0379 0380 #: ../../image_editor/enhancement_tools.rst:150 0381 msgid "Lens Auto Correction" 0382 msgstr "" 0383 0384 #: ../../image_editor/enhancement_tools.rst:152 0385 msgid "" 0386 "No lens is optically perfect. Even the most expensive lenses have there own " 0387 "imperfections, however digiKam can correct lens imperfections such as " 0388 "**Distortion**, **Chromatic aberration**, **Vignetting**, and **Geometry**." 0389 msgstr "" 0390 0391 #: ../../image_editor/enhancement_tools.rst:158 0392 msgid "The Lens Auto-Correction Tool from digiKam Image Editor" 0393 msgstr "" 0394 0395 #: ../../image_editor/enhancement_tools.rst:160 0396 msgid "" 0397 "From Image Editor go to :menuselection:`Enhance --> Lens --> Auto " 0398 "Corrections` menu entry to start the automatic lens correction tool. This " 0399 "feature uses lens data from the `Lensfun library <https://lensfun.github.io/" 0400 ">`_ and it has a very much up to date database of lenses which are " 0401 "available. It has more than a hundred lenses in its current databases. It " 0402 "also uses the **Metadata** from the image to find-out which lens is used." 0403 msgstr "" 0404 0405 #: ../../image_editor/enhancement_tools.rst:162 0406 msgid "" 0407 "If the exact used to take the picture is available it will mention that it " 0408 "matches with the metadata (annoted in **Green**), however if the exact match " 0409 "is not available it will choose the settings from the most closes match " 0410 "(annoted in **Orange**). In this case it also allows users to select the " 0411 "lens themselves. If metadata do not match at all, it will be annoted in " 0412 "**Red**." 0413 msgstr "" 0414 0415 #: ../../image_editor/enhancement_tools.rst:168 0416 msgid "Metadata Match with LensFun Database" 0417 msgstr "" 0418 0419 #: ../../image_editor/enhancement_tools.rst:174 0420 msgid "Metadata Match Partially with LensFun Database" 0421 msgstr "" 0422 0423 #: ../../image_editor/enhancement_tools.rst:180 0424 msgid "Metadata do not Match with LensFun Database" 0425 msgstr "" 0426 0427 #: ../../image_editor/enhancement_tools.rst:182 0428 msgid "" 0429 "You can either enable or disable the helper **Grid** lines to visualise how " 0430 "the geometrical distortion are corrected on image." 0431 msgstr "" 0432 0433 #: ../../image_editor/enhancement_tools.rst:188 0434 msgid "" 0435 "The Lens Auto-Correction Tool Displaying the Helper Grid over the Canvas" 0436 msgstr "" 0437 0438 #: ../../image_editor/enhancement_tools.rst:190 0439 msgid "" 0440 "Select the corrections you want to apply move you mouse inwards and outwards " 0441 "of the preview window which will show you before and after. When you are " 0442 "satisfied with the result press **OK**." 0443 msgstr "" 0444 0445 #: ../../image_editor/enhancement_tools.rst:195 0446 msgid "Hot Pixels Correction" 0447 msgstr "" 0448 0449 #: ../../image_editor/enhancement_tools.rst:200 0450 msgid "" 0451 "digiKam The Hot Pixels tool facilitates removing hot pixels from photographs " 0452 "taken with a camera electronic sensor." 0453 msgstr "" 0454 0455 #: ../../image_editor/enhancement_tools.rst:202 0456 msgid "" 0457 "Most current digital cameras produce images with several brightly colored " 0458 "**Bad Pixels** when using slow shutter speeds. Night images can be ruined by " 0459 "these Bad Pixels. There are three different types of Bad Pixels:" 0460 msgstr "" 0461 0462 #: ../../image_editor/enhancement_tools.rst:204 0463 msgid "" 0464 "**Stuck pixels**: it's a pixel that always reads high or is always on to " 0465 "maximum power on all exposures. This produces a bright pixel usually of red, " 0466 "blue or green color in the final image. A stuck pixel will occur regardless " 0467 "of shutter speed, aperture size or any other user settings. It will occur on " 0468 "a normal exposure and tends to be more obvious under bright condition." 0469 msgstr "" 0470 0471 #: ../../image_editor/enhancement_tools.rst:206 0472 msgid "" 0473 "**Dead pixels**: it's a pixel that reads zero or is always off on all " 0474 "exposures. This state produces a black pixel in the final image. Similar to " 0475 "stuck pixel, a dead pixel will occur regardless of shutter speed, aperture " 0476 "size or any other user settings." 0477 msgstr "" 0478 0479 #: ../../image_editor/enhancement_tools.rst:208 0480 msgid "" 0481 "**Hot pixels**: it's a pixel that reads high (bright) on longer exposures as " 0482 "white, red, or green color. The longer the exposure time, the more visible " 0483 "hot pixels will become. These pixels will not be visible in bright " 0484 "conditions." 0485 msgstr "" 0486 0487 #: ../../image_editor/enhancement_tools.rst:210 0488 msgid "" 0489 "Note that stuck or dead pixels will occur at the same location for all " 0490 "images. If the location of the stuck or dead pixel occurs at different " 0491 "locations, it may be a Hot Pixel." 0492 msgstr "" 0493 0494 #: ../../image_editor/enhancement_tools.rst:212 0495 msgid "" 0496 "Stuck, dead or hot pixels are a problem in particular when shooting in high " 0497 "quality raw mode since many cameras have built-in hot pixel suppression " 0498 "applied automatically when JPEG compression is used (which is mostly the " 0499 "case)." 0500 msgstr "" 0501 0502 #: ../../image_editor/enhancement_tools.rst:214 0503 msgid "" 0504 "This tool can be used to fix the **Hot pixels** and **Stuck Pixels** on a " 0505 "photograph using a **Black Frame** subtraction method. There is not a manual " 0506 "editor to select Bad Pixels." 0507 msgstr "" 0508 0509 #: ../../image_editor/enhancement_tools.rst:217 0510 msgid "Create the Black Frames" 0511 msgstr "" 0512 0513 #: ../../image_editor/enhancement_tools.rst:219 0514 msgid "" 0515 "The Black Frame subtraction method is the most accurate \"Hot Pixels\" and " 0516 "\"Stuck Pixels\" removal. First you have to create a \"Black Frame\" as a " 0517 "reference. This is easy to do. When you finish taking your long exposure " 0518 "shots, put a lens cap on the camera and take one \"dark\" image with the " 0519 "same exposure time as the images before. This image will be all dark, but " 0520 "with close examination you will see that it has the Hot and Stuck Pixels " 0521 "(colored dots). These are positioned at the same places as on your previous " 0522 "shots." 0523 msgstr "" 0524 0525 #: ../../image_editor/enhancement_tools.rst:221 0526 msgid "" 0527 "Load this file to the widget using the **Black Frame** button. The tool will " 0528 "process an automatic detection of Hot and Stuck Pixels. They will be " 0529 "highlighted in the control panel preview areas." 0530 msgstr "" 0531 0532 #: ../../image_editor/enhancement_tools.rst:225 0533 msgid "" 0534 "If you use an old digital camera, it is important to re-shoot the Black " 0535 "Frame next time you are taking a long exposure images to detect new Hot and " 0536 "Stuck Pixels on sensor defects." 0537 msgstr "" 0538 0539 #: ../../image_editor/enhancement_tools.rst:228 0540 msgid "Using the Hotpixel Tool" 0541 msgstr "" 0542 0543 #: ../../image_editor/enhancement_tools.rst:234 0544 msgid "The Image Editor Hot Pixels Tool" 0545 msgstr "" 0546 0547 #: ../../image_editor/enhancement_tools.rst:236 0548 msgid "" 0549 "At first, as explained in the previous section, you need to load a Black " 0550 "Frame corresponding to the image to correct. An automatic parsing will be " 0551 "processed on the Black Frame to find bad pixels. Note that the widget will " 0552 "remember the previous Black Frame used on the last session and it will be re-" 0553 "opened automatically with the next session." 0554 msgstr "" 0555 0556 #: ../../image_editor/enhancement_tools.rst:238 0557 msgid "" 0558 "The image panel and the original preview help you to pan within the image. " 0559 "The preview window shows the filter output using the current settings. Bad " 0560 "Pixels are highlighted on preview area." 0561 msgstr "" 0562 0563 #: ../../image_editor/enhancement_tools.rst:240 0564 msgid "" 0565 "Select an area to see bad pixels on preview and the filter result using " 0566 "*Separate View* options of image panel. Choose the best **Filter** method to " 0567 "interpolate pixels or pixel blocks. These are the available filters:" 0568 msgstr "" 0569 0570 #: ../../image_editor/enhancement_tools.rst:242 0571 msgid "" 0572 "**Average**: the pixels adjacent to the pixel block are averaged. The " 0573 "resulting color is assigned to all pixels in the block. For 1-dimensional " 0574 "interpolation, this is done separately for one pixel-wide, horizontal or " 0575 "vertical stripes." 0576 msgstr "" 0577 0578 #: ../../image_editor/enhancement_tools.rst:244 0579 msgid "" 0580 "**Linear**: the pixels which have a distance of 1 from the pixel block are " 0581 "used to calculate a bi-linear surface (2-dim), or a group of linear curves " 0582 "(1-dim), which is then used to assign interpolated colors to the pixels in " 0583 "the block." 0584 msgstr "" 0585 0586 #: ../../image_editor/enhancement_tools.rst:246 0587 msgid "" 0588 "**Quadratic**: this is the default filtering method. The pixels which have a " 0589 "distance of 2 or less from the pixel block are used to calculate a bi-" 0590 "quadratic surface (2-dim), or a group of quadratic curves (1-dim), which is " 0591 "then used to assign interpolated colors to the pixels in the block." 0592 msgstr "" 0593 0594 #: ../../image_editor/enhancement_tools.rst:248 0595 msgid "" 0596 "**Cubic**: the pixels which have a distance of 3 or less from the pixel " 0597 "block are used to calculate a bi-cubic surface (2-dim), or a group of cubic " 0598 "curves (1-dim), which is then used to assign interpolated colors to the " 0599 "pixels in the block." 0600 msgstr "" 0601 0602 #: ../../image_editor/enhancement_tools.rst:253 0603 msgid "Local Contrast Tool" 0604 msgstr "" 0605 0606 #: ../../image_editor/enhancement_tools.rst:255 0607 msgid "The Local Contrast tool render pseudo-HDR image." 0608 msgstr "" 0609 0610 #: ../../image_editor/enhancement_tools.rst:257 0611 msgid "" 0612 "There are multiple ways to render HDR image to improve photos containing " 0613 "under or overexposed areas. With camera devices, usual tools let you merge " 0614 "multiple shots with different exposures into one perfectly exposed photo. " 0615 "This work nicely but require some limitation, as for example the necessity " 0616 "to shot static subjects. But what if you have just in case of single image, " 0617 "or with dynamic subjects? You might want to give a try to the Local Contrast " 0618 "feature. It uses a Low Dynamic Range `Tonemapping <https://en.wikipedia.org/" 0619 "wiki/Tone_mapping>`_ which is designed to improve the dynamic range of the " 0620 "photo by reducing its global contrast and increasing the local contrast. It " 0621 "does so by generating a desaturated and blurred version of the photo. It " 0622 "then combines the RGB channels of the original photo with the desaturated " 0623 "blurred image using either the Linear or Power function. Sounds complicated? " 0624 "Don’t worry, the Local Contrast tool is rather straightforward to use, so " 0625 "you don’t have to understand all its intricacies in order to achieve " 0626 "pleasing results." 0627 msgstr "" 0628 0629 #: ../../image_editor/enhancement_tools.rst:263 0630 msgid "The Image Editor Local Contrast Tool" 0631 msgstr "" 0632 0633 #: ../../image_editor/enhancement_tools.rst:265 0634 msgid "" 0635 "Open the photo you want in the editor and choose :menuselection:`Enhance --> " 0636 "Local Contrast`. The tool lets you apply up to four tonemapping operations " 0637 "called stages. Each **Stage** offers two parameters for you to tweak: " 0638 "**Power** and **Blur**. The former allows you to specify the desaturation " 0639 "level, while the latter lets you adjust the affected areas on the photo. To " 0640 "preview the result, hit the **Try** button. Once you are satisfied with the " 0641 "result, press **OK** to apply the process to the photo." 0642 msgstr "" 0643 0644 #: ../../image_editor/enhancement_tools.rst:267 0645 msgid "" 0646 "While the Local Contrast tool may sound like an easy way to fix photos, you " 0647 "should use it with care: sometimes it can do more damage than good, " 0648 "producing unnaturally looking photos." 0649 msgstr "" 0650 0651 #: ../../image_editor/enhancement_tools.rst:272 0652 msgid "Noise Reduction" 0653 msgstr "" 0654 0655 #: ../../image_editor/enhancement_tools.rst:274 0656 msgid "" 0657 "digiKam The Noise Reduction is a powerful tool to reduce the image noise." 0658 msgstr "" 0659 0660 #: ../../image_editor/enhancement_tools.rst:276 0661 msgid "" 0662 "This tool provides selectable image filters to remove specks or other " 0663 "artifacts caused by junk such as dust or hair on the lens. It also can be " 0664 "used to remove Sensor Noise from the camera that maybe caused by high ISO " 0665 "settings, as well as the so-called Moiré Patterns on scanned images from " 0666 "books or magazines." 0667 msgstr "" 0668 0669 #: ../../image_editor/enhancement_tools.rst:278 0670 msgid "" 0671 "If you want more information about what's digital camera sensor noise, " 0672 "please take a look in `this tutorial <https://www.cambridgeincolour.com/" 0673 "tutorials/image-noise.htm/>`_." 0674 msgstr "" 0675 0676 #: ../../image_editor/enhancement_tools.rst:284 0677 msgid "The Image Editor Noise Reduction Tool" 0678 msgstr "" 0679 0680 #: ../../image_editor/enhancement_tools.rst:286 0681 msgid "" 0682 "The above screenshot shows a typical scene taken with an digital camera " 0683 "using a high sensitivity ISO setting. It shows grainy noise which can be " 0684 "reduced successfully with this tool." 0685 msgstr "" 0686 0687 #: ../../image_editor/enhancement_tools.rst:288 0688 msgid "" 0689 "The re-sizeable image panel with the original preview helps you to pan " 0690 "within the image. Move the red rectangle around to select the area that lets " 0691 "you judge on the optimal filter settings. The preview window shows the " 0692 "filter output using the current settings. It can be rearranged in four " 0693 "different combinations as depicted in the icons below the original preview. " 0694 "This screenshot shows the first arrangement where the same cutout is shown " 0695 "for comparison. On the bottom of preview area, you can see **Zoom Factor** " 0696 "settings to magnify an area of the image." 0697 msgstr "" 0698 0699 #: ../../image_editor/enhancement_tools.rst:290 0700 msgid "You can see below a full description of all parameters:" 0701 msgstr "" 0702 0703 #: ../../image_editor/enhancement_tools.rst:292 0704 msgid "" 0705 "**Estimate Noise**: compute automatically all noise reduction settings by a " 0706 "parse of noise contained in image. By default it recommended to turn on this " 0707 "option and check the result. If reduction of noise is not enough efficient " 0708 "or damage the image, turn off this option, and adjust the **Luminance**, " 0709 "**Chrominance Blue**, and **Chrominance Red** settings manually." 0710 msgstr "" 0711 0712 #: ../../image_editor/enhancement_tools.rst:294 0713 msgid "" 0714 "**Threshold**: use the slider for coarse adjustment, and the spin control " 0715 "for fine adjustment. The threshold is the value below which everything is " 0716 "considered noise. This value should be set so that edges and details are " 0717 "clearly visible and noise is smoothed out. These settings exists for the " 0718 "**Luminance**, **Chrominance Blue**, and **Chrominance Red** channels. " 0719 "Simply adjust it and watch the preview. Adjustment must be made carefully, " 0720 "because the gap between noisy, smooth, and blur is very small. Adjust it as " 0721 "carefully as you would adjust the focus of a camera." 0722 msgstr "" 0723 0724 #: ../../image_editor/enhancement_tools.rst:296 0725 msgid "" 0726 "**Softness**: use the slider for coarse adjustment, and the spin control for " 0727 "fine adjustment. The softness adjusts the level of the thresholding (soft as " 0728 "opposed to hard thresholding). The higher the softness the more noise " 0729 "remains in the image. These settings exists for the **Luminance**, " 0730 "**Chrominance Blue**, and **Chrominance Red** channels. Simply adjust it and " 0731 "watch the preview. As for the Threshold settings, adjustment must be made " 0732 "carefully, because the gap between noisy, smooth, and blur is very small. " 0733 "Adjust it as carefully as you would adjust the focus of a camera." 0734 msgstr "" 0735 0736 #: ../../image_editor/enhancement_tools.rst:298 0737 msgid "" 0738 "**Save As** and **Load**: these buttons are used to do just that. Any Noise " 0739 "Reduction parameters that you have set can be saved to the filesystem and " 0740 "loaded later." 0741 msgstr "" 0742 0743 #: ../../image_editor/enhancement_tools.rst:300 0744 #: ../../image_editor/enhancement_tools.rst:510 0745 msgid "**Defaults**: this button resets all settings to default values." 0746 msgstr "" 0747 0748 #: ../../image_editor/enhancement_tools.rst:305 0749 msgid "Blur Tool" 0750 msgstr "" 0751 0752 #: ../../image_editor/enhancement_tools.rst:307 0753 msgid "The Blur Tool is dedicated to soft an image." 0754 msgstr "" 0755 0756 #: ../../image_editor/enhancement_tools.rst:309 0757 msgid "" 0758 "Sometimes an image is too crisp for your purposes. The solution is to blur " 0759 "it a bit: fortunately blurring an image is much easier than sharpening it. " 0760 "Select the **Blur Tool** with the :menuselection:`Enhance --> Blur` menu " 0761 "entry and experiment with the level. The preview window on the right of the " 0762 "dialog shows the effect of the operation on your photograph." 0763 msgstr "" 0764 0765 #: ../../image_editor/enhancement_tools.rst:315 0766 msgid "The Image Editor Blur Tool" 0767 msgstr "" 0768 0769 #: ../../image_editor/enhancement_tools.rst:320 0770 msgid "Photograph Restoration" 0771 msgstr "" 0772 0773 #: ../../image_editor/enhancement_tools.rst:322 0774 msgid "" 0775 "digiKam The Photograph Restoration is definitely one of the most advanced " 0776 "tools to reduce photograph artifacts." 0777 msgstr "" 0778 0779 #: ../../image_editor/enhancement_tools.rst:324 0780 msgid "" 0781 "This fantastic restoration filter is a development providing unprecedented " 0782 "possibilities in the public domain to remove lots of unwanted stuff from " 0783 "your images. It is well adapted to deal with degraded images suffering from " 0784 "Gaussian noise, film grain, scratches or compression artifacts and local " 0785 "degradations usually encountered in digital (original or digitized) images. " 0786 "The smoothing happens along the image curvatures, thus preserving the " 0787 "meaningful content much alike our human eye would want it." 0788 msgstr "" 0789 0790 #: ../../image_editor/enhancement_tools.rst:330 0791 msgid "The Image Editor Restoration Tool" 0792 msgstr "" 0793 0794 #: ../../image_editor/enhancement_tools.rst:332 0795 msgid "" 0796 "The tool comes with several presets as starting points and to simplify the " 0797 "restoration. The preset settings available are listed below:" 0798 msgstr "" 0799 0800 #: ../../image_editor/enhancement_tools.rst:334 0801 msgid "" 0802 "**None**: Using most common default filter settings not optimized for any " 0803 "particular purpose." 0804 msgstr "" 0805 0806 #: ../../image_editor/enhancement_tools.rst:336 0807 msgid "" 0808 "**Reduce Uniform Noise**: Optimum settings for image noise due to sensors." 0809 msgstr "" 0810 0811 #: ../../image_editor/enhancement_tools.rst:338 0812 msgid "" 0813 "**Reduce JPEG Artifacts**: JPEG's compression is not perfect, in fact for " 0814 "some types of images it is far from it. As a lossy compression algorithm, " 0815 "there are some compression \"artifacts\" - slight defaults showing in the " 0816 "decompressed image. This setting aims at correcting this problem." 0817 msgstr "" 0818 0819 #: ../../image_editor/enhancement_tools.rst:340 0820 msgid "" 0821 "**Reduce Texturing**: Optimized to remove artifacts from scanning, " 0822 "digitizing or Moire patterns." 0823 msgstr "" 0824 0825 #: ../../image_editor/enhancement_tools.rst:342 0826 msgid "" 0827 "If you want to set filter parameters for finer adjustments, use **General** " 0828 "and **Advanced Settings** tabs:" 0829 msgstr "" 0830 0831 #: ../../image_editor/enhancement_tools.rst:348 0832 msgid "The Image Editor Restoration Tool Preset Settings" 0833 msgstr "" 0834 0835 #: ../../image_editor/enhancement_tools.rst:350 0836 msgid "" 0837 "**Detail Preservation** p [0, 100]: this controls the preservation of the " 0838 "curvatures (features). A low value forces an equal smoothing across the " 0839 "image, whereas bigger values preferably smooth the homogeneous regions and " 0840 "leaves the details sharper. A value of 0.9 should well preserve details so " 0841 "that no sharpening is required afterwards. Note that **Detail Preservation** " 0842 "must be always inferior to **Anisotropy**." 0843 msgstr "" 0844 0845 #: ../../image_editor/enhancement_tools.rst:352 0846 msgid "" 0847 "**Anisotropy alpha** [0, 100]: a low value smooths equally in all " 0848 "directions, whereas a value close to 1 smooths in one direction only. If you " 0849 "have film grain or CCD kind of noise a high value will result in wave-like " 0850 "pattern, whereas JPEG artifacts are suited for values close to 1." 0851 msgstr "" 0852 0853 #: ../../image_editor/enhancement_tools.rst:354 0854 msgid "" 0855 "**Smoothing** [0, 500]: this sets the maximum overall smoothing factor (when " 0856 "p defines the relative smoothing). Set it according to the noise level." 0857 msgstr "" 0858 0859 #: ../../image_editor/enhancement_tools.rst:356 0860 msgid "" 0861 "**Regularity** [0, 100]: this parameter is concerned with the uniformity of " 0862 "the smoothing. Imagine the smoothing process as a combing of the image. Then " 0863 "the Regularity would correspond to the size of the comb. The bigger this " 0864 "value, the more even the overall smoothing will be. This is necessary when " 0865 "much noise is present since it is then difficult to estimate the local " 0866 "geometry. Also if you want to achieve a 'van Gogh' turbulence effect, " 0867 "setting it higher than 3 is recommended." 0868 msgstr "" 0869 0870 #: ../../image_editor/enhancement_tools.rst:358 0871 msgid "" 0872 "**Filter Iterations**: number of times the blurring algorithm is applied. " 0873 "Usually 1 or 2 is sufficient." 0874 msgstr "" 0875 0876 #: ../../image_editor/enhancement_tools.rst:364 0877 msgid "The Image Editor Restoration Tool Advanced Settings" 0878 msgstr "" 0879 0880 #: ../../image_editor/enhancement_tools.rst:366 0881 msgid "" 0882 "**Angular Step** da [5, 90]: angular integration of the anisotropy alpha. If " 0883 "alpha is chosen small, da should also be chosen small. But beware, small " 0884 "angles result in long runs! Choose it as large as you can accept." 0885 msgstr "" 0886 0887 #: ../../image_editor/enhancement_tools.rst:368 0888 msgid "" 0889 "**Integral Step** [0.1, 10]: spatial integration step width in terms of " 0890 "pixels. Should remain less than 1 (sub-pixel smoothing) and never be higher " 0891 "than 2." 0892 msgstr "" 0893 0894 #: ../../image_editor/enhancement_tools.rst:370 0895 msgid "" 0896 "**Use Linear Interpolation**: The gain in quality if you select this option " 0897 "is only marginal and you lose a factor of 2 in speed. Our recommendation is " 0898 "to leave it off." 0899 msgstr "" 0900 0901 #: ../../image_editor/enhancement_tools.rst:372 0902 msgid "" 0903 "**Save As** and **Load** buttons are used to do just that. Any Photograph " 0904 "Restoration filter settings that you have set can be saved to the filesystem " 0905 "in a text file and loaded later." 0906 msgstr "" 0907 0908 #: ../../image_editor/enhancement_tools.rst:376 0909 msgid "" 0910 "Photograph restoration is (comparatively) very fast in what it is doing, but " 0911 "it can take a long time to run and cause high CPU load. You may always abort " 0912 "computation by pressing **Abort** button during preview rendering." 0913 msgstr "" 0914 0915 #: ../../image_editor/enhancement_tools.rst:381 0916 msgid "Remove Red Eyes" 0917 msgstr "" 0918 0919 #: ../../image_editor/enhancement_tools.rst:383 0920 msgid "" 0921 "Red eyes are caused when the camera flashlight is used to take photographs " 0922 "of people. The red is the reflection from the back of the eye which can be " 0923 "seen because the pupil cannot react quickly enough to the flash. By the way, " 0924 "with a separate flash light the red eye effect is less likely because of the " 0925 "different viewing angle of flash and lens. You can correct some of the worst " 0926 "effect of Red Eye by selecting the area of the eye on the photograph, in the " 0927 "same way as described for cropping above. Then select :menuselection:" 0928 "`Enhance --> Red Eye Reduction`." 0929 msgstr "" 0930 0931 #: ../../image_editor/enhancement_tools.rst:385 0932 msgid "How it works" 0933 msgstr "" 0934 0935 #: ../../image_editor/enhancement_tools.rst:387 0936 msgid "" 0937 "Set the preview mode to your liking. Adjust region of image to the eyes of " 0938 "face to fix." 0939 msgstr "" 0940 0941 #: ../../image_editor/enhancement_tools.rst:389 0942 msgid "" 0943 "A neural network engine parse the image contents to localize automatically " 0944 "eyes and the red pupils." 0945 msgstr "" 0946 0947 #: ../../image_editor/enhancement_tools.rst:391 0948 msgid "" 0949 "The **Red Level** setting adjusts the amount of red eyes removal, in " 0950 "aggressive mode or not." 0951 msgstr "" 0952 0953 #: ../../image_editor/enhancement_tools.rst:397 0954 msgid "The Image Editor Red Eyes Removal" 0955 msgstr "" 0956 0957 #: ../../image_editor/enhancement_tools.rst:402 0958 msgid "Image Sharpening" 0959 msgstr "" 0960 0961 #: ../../image_editor/enhancement_tools.rst:407 0962 msgid "" 0963 "digiKam provides three different tools for sharpening, with each having " 0964 "merits in a different area." 0965 msgstr "" 0966 0967 #: ../../image_editor/enhancement_tools.rst:409 0968 msgid "" 0969 "**Simple Sharp** is a traditional sharpening tool, which is very fast and " 0970 "easy, but may quickly produce grainy images, in particular in dark areas." 0971 msgstr "" 0972 0973 #: ../../image_editor/enhancement_tools.rst:411 0974 msgid "" 0975 "**Unsharp Mask** works on the edge contrast to make an image appear sharper, " 0976 "but it actually does not sharpen at all, it works rather psychovisually. It " 0977 "can be used to remove atmospheric haze, and here it does a real good job. " 0978 "The algorithm was taken from the Gimp, and it is copyrighted by Winston " 0979 "Chang." 0980 msgstr "" 0981 0982 #: ../../image_editor/enhancement_tools.rst:413 0983 msgid "" 0984 "**Refocus** is probably the best of the three because it actually improves " 0985 "sharpness. It is a bit more involved in its application as is has several " 0986 "parameters to play with." 0987 msgstr "" 0988 0989 #: ../../image_editor/enhancement_tools.rst:415 0990 msgid "" 0991 "Out-of-focus photographs, as well as most digitized images, need correction " 0992 "of sharpness. This is due to the digitizing process that must chop up a " 0993 "color continuum in points with slightly different colors: elements thinner " 0994 "than sampling frequency will be averaged into an uniform color. Thus, sharp " 0995 "borders are rendered a little blurred. The same phenomenon appears when " 0996 "printing color dots on paper. SLR cameras need even more sharpening on a " 0997 "regular basis than consumer cameras." 0998 msgstr "" 0999 1000 #: ../../image_editor/enhancement_tools.rst:417 1001 msgid "" 1002 "Whereas JPEG images have some camera-internal sharpening applied, RAW format " 1003 "images always need sharpening in their workflow." 1004 msgstr "" 1005 1006 #: ../../image_editor/enhancement_tools.rst:419 1007 msgid "" 1008 "Some scanners apply a sharpen filter while scanning. It's worth to disable " 1009 "it so that you keep control over your image." 1010 msgstr "" 1011 1012 #: ../../image_editor/enhancement_tools.rst:422 1013 msgid "Adjusting Sharpness" 1014 msgstr "" 1015 1016 #: ../../image_editor/enhancement_tools.rst:424 1017 msgid "" 1018 "If the camera focus is not set perfectly or if the camera is moving when the " 1019 "image is taken the result is a blurred photograph. If there is a lot of " 1020 "blurring, you probably will not be able to do much about it with any " 1021 "technique. If there is only a moderate amount, you should be able to improve " 1022 "the image. Many good SLR cameras apply less image processing to the images " 1023 "than simpler cameras (which tend to artificially increase the contrast to " 1024 "make the images look crisp). This kind of slight blur can be easily improved " 1025 "with tools." 1026 msgstr "" 1027 1028 #: ../../image_editor/enhancement_tools.rst:426 1029 msgid "" 1030 "In some situations, you may be able to get useful results by sharpening an " 1031 "photograph using the Sharpen tool by the :menuselection:`Enhance --> " 1032 "Sharpen` menu entry and the **Sharpen** option from **Method** setting." 1033 msgstr "" 1034 1035 #: ../../image_editor/enhancement_tools.rst:432 1036 msgid "The Image Editor Sharpen Tool" 1037 msgstr "" 1038 1039 #: ../../image_editor/enhancement_tools.rst:434 1040 msgid "" 1041 "You should be careful with this though, or the results will not look very " 1042 "natural: sharpening increases the apparent sharpness of edges in the " 1043 "photograph, but also amplifies noise. Generally, the most useful technique " 1044 "for sharpening a fuzzy photograph is the Refocus tool. You can access it " 1045 "with the **Refocus** option from **Method** setting. Look at Refocus for " 1046 "more information and a comparison of all the sharpening techniques." 1047 msgstr "" 1048 1049 #: ../../image_editor/enhancement_tools.rst:437 1050 msgid "Reducing Graininess In a Photograph" 1051 msgstr "" 1052 1053 #: ../../image_editor/enhancement_tools.rst:439 1054 msgid "" 1055 "When you take a photograph in low-light conditions or with a very fast " 1056 "exposure time, the camera does not get enough data to make good estimates of " 1057 "the true color at each pixel, and consequently the resulting photograph " 1058 "looks grainy. You can \"smooth out\" the graininess by blurring the image, " 1059 "but then you will also lose sharpness. Probably the best approach - if the " 1060 "graininess is not too bad - is to use the filter **Noise Reduction** tool, " 1061 "and you can access it by the :menuselection:`Enhance --> Noise Reduction` " 1062 "menu entry." 1063 msgstr "" 1064 1065 #: ../../image_editor/enhancement_tools.rst:442 1066 msgid "Softening a Photograph" 1067 msgstr "" 1068 1069 #: ../../image_editor/enhancement_tools.rst:444 1070 msgid "" 1071 "Sometimes you have the opposite problem: an image is too crisp. The solution " 1072 "is to blur it a bit: fortunately blurring an image is much easier than " 1073 "sharpening it. Select the **Blur Tool** with the :menuselection:`Enhance --> " 1074 "Blur` menu entry and experiment with the level. The preview window on the " 1075 "right of the dialog shows the effect of the operation on your photograph." 1076 msgstr "" 1077 1078 #: ../../image_editor/enhancement_tools.rst:447 1079 msgid "The Unsharp Mask Filter" 1080 msgstr "" 1081 1082 #: ../../image_editor/enhancement_tools.rst:451 1083 msgid "" 1084 "The **Unsharp Mask** filter is an excellent tool to remove haze from your " 1085 "photographs." 1086 msgstr "" 1087 1088 #: ../../image_editor/enhancement_tools.rst:457 1089 msgid "The Image Editor Unsharpen Mask Tool" 1090 msgstr "" 1091 1092 #: ../../image_editor/enhancement_tools.rst:459 1093 #: ../../image_editor/enhancement_tools.rst:484 1094 msgid "" 1095 "The image panel and the original preview help you to pan within the image. " 1096 "The preview window shows the filter output using the current settings." 1097 msgstr "" 1098 1099 #: ../../image_editor/enhancement_tools.rst:461 1100 msgid "" 1101 "There are two important parameters, **Radius** and **Amount**. The default " 1102 "values often work pretty well, so you should try them first. Increasing " 1103 "either the **Radius** or the **Amount** increases the strength of the " 1104 "effect. Don't get carried away, though: if you make the unsharp mask too " 1105 "strong, it will amplify noise in the image and create the impressions of " 1106 "ridges next to sharp edges." 1107 msgstr "" 1108 1109 #: ../../image_editor/enhancement_tools.rst:463 1110 msgid "" 1111 "The **Radius** allows you to set how many pixels on either side of an edge " 1112 "that will be affected by sharpening. High resolution images allow higher " 1113 "radius. You'd better always sharpen an image at its final resolution." 1114 msgstr "" 1115 1116 #: ../../image_editor/enhancement_tools.rst:465 1117 msgid "" 1118 "The **Amount** control is the percentage of the difference between the " 1119 "original and the blur image that is added back into the original. It allows " 1120 "you to set strength of sharpening." 1121 msgstr "" 1122 1123 #: ../../image_editor/enhancement_tools.rst:467 1124 msgid "" 1125 "The **Threshold** control is a fraction of the maximum RGB value, needed to " 1126 "apply the difference amount. It allows you to set the minimum difference in " 1127 "pixel values that indicates an edge where sharpening should be applied. That " 1128 "way, you can protect areas of smooth tonal transition from sharpening, and " 1129 "avoid creation of blemishes in face, sky or water surface." 1130 msgstr "" 1131 1132 #: ../../image_editor/enhancement_tools.rst:470 1133 msgid "Refocus a Photograph" 1134 msgstr "" 1135 1136 #: ../../image_editor/enhancement_tools.rst:472 1137 msgid "" 1138 "The Refocus is a tool to refocus an image by enhancing the sharpness. It " 1139 "uses the deconvolution Filter algorithm." 1140 msgstr "" 1141 1142 #: ../../image_editor/enhancement_tools.rst:474 1143 msgid "" 1144 "This tool attempts to \"refocus\" an image by undoing the defocussing. This " 1145 "is better than just trying to sharpen a photograph. It is employing a " 1146 "technique called FIR Wiener Filtering. The traditional technique for " 1147 "sharpening images is to use unsharp masking. Refocus generally produces " 1148 "better results than Unsharp masking. Start it from the :menuselection:" 1149 "`Enhance --> Sharpen` menu entry and **Refocus** option." 1150 msgstr "" 1151 1152 #: ../../image_editor/enhancement_tools.rst:476 1153 msgid "" 1154 "The Refocus technique works differently from **Unsharp Mask** and is also " 1155 "unlike the **Sharpen** Filter which both increase the contrast of the edges " 1156 "of an image. Refocus rather reverses the process by which the image got " 1157 "blurred by the circular aperture of the camera. This method gives you as " 1158 "much of the original \"in focus\" image as possible. Refocus uses a very " 1159 "powerful deconvolution algorithm that will reclaim the data that has been " 1160 "mixed up. In mathematical terms, blurring is usually the result of a " 1161 "convolution, a deconvolution will reverse the process, this is exactly what " 1162 "Refocus is doing. Furthermore, the FIR filter technique allows to remove " 1163 "much of the noise and granularity that often gets accentuated in the " 1164 "sharpening process of all sharpening filters." 1165 msgstr "" 1166 1167 #: ../../image_editor/enhancement_tools.rst:482 1168 msgid "The Image Editor Refocus Tool" 1169 msgstr "" 1170 1171 #: ../../image_editor/enhancement_tools.rst:486 1172 msgid "" 1173 "In most cases (blurring by camera) a circular convolution caused the image " 1174 "degradation, but there are two convolutions available:" 1175 msgstr "" 1176 1177 #: ../../image_editor/enhancement_tools.rst:488 1178 msgid "" 1179 "The **Circular convolution**: this one spreads each source point uniformly " 1180 "across a small disk with a fixed radius. Technically this describes the " 1181 "effects of using a (ideal) lens that is not correctly focused." 1182 msgstr "" 1183 1184 #: ../../image_editor/enhancement_tools.rst:490 1185 msgid "" 1186 "The **Gaussian convolution**: this one is mathematically similar to the " 1187 "normal distribution, with its bell-shaped curve. Originates rather from " 1188 "unnatural blurring (software blurring). From a theoretical point of view the " 1189 "mathematical justification for using the Gaussian convolution is that when " 1190 "you a apply a large number of independent random convolutions the results " 1191 "will always approach a Gaussian convolution." 1192 msgstr "" 1193 1194 #: ../../image_editor/enhancement_tools.rst:492 1195 msgid "" 1196 "The refocus tool supports both the Circular and the Gaussian convolution " 1197 "plus mixtures of both." 1198 msgstr "" 1199 1200 #: ../../image_editor/enhancement_tools.rst:494 1201 msgid "" 1202 "In practice, in most cases the Circular convolution works much better than " 1203 "the Gaussian convolution. The Gaussian convolution has a very long tail, so " 1204 "mathematically the result of the convolution also depends on source pixels " 1205 "at a large distance from the original source pixel. The FIR Wiener inverse " 1206 "of a Gaussian convolution in most cases is heavily influenced by source " 1207 "pixels at a large distances, and in most cases this produces undesirable " 1208 "results." 1209 msgstr "" 1210 1211 #: ../../image_editor/enhancement_tools.rst:496 1212 msgid "" 1213 "To set correctly the deconvolution filter, the plug-in has the following " 1214 "parameters:" 1215 msgstr "" 1216 1217 #: ../../image_editor/enhancement_tools.rst:498 1218 msgid "" 1219 "**Circular Sharpness**: This is the radius of the Circular convolution " 1220 "filter. It is the most important parameter for using the plug-in. With most " 1221 "images the default value of 1 should give good results. Select a higher " 1222 "value when your image is very blurred, but beware of producing halos." 1223 msgstr "" 1224 1225 #: ../../image_editor/enhancement_tools.rst:500 1226 msgid "" 1227 "**Correlation**: Increasing the Correlation may help reducing artifacts. The " 1228 "correlation can range from 0-1. Useful values are 0.5 and values close to 1, " 1229 "e.g. 0.95 and 0.99. Using a high value for the correlation will reduce the " 1230 "sharpening effect of the plug-in." 1231 msgstr "" 1232 1233 #: ../../image_editor/enhancement_tools.rst:502 1234 msgid "" 1235 "**Noise filter**: Increasing the Noise filter parameter helps reducing " 1236 "artifacts. The Noise can range from 0-1 but values higher than 0.1 are " 1237 "rarely helpful. When the Noise value is too low, e.g. 0 the image quality " 1238 "will be horrible. A useful value is 0.03. Using a high value for the Noise " 1239 "will even blur the image further." 1240 msgstr "" 1241 1242 #: ../../image_editor/enhancement_tools.rst:504 1243 msgid "" 1244 "**Gaussian Sharpness**: This is the radius for the Gaussian convolution " 1245 "filter. Use this parameter when your blurring is Gaussian (mostly due to " 1246 "previous blur filtering). In most cases you should leave this parameter to " 1247 "0, because it causes nasty artifacts. When you use non-zero values you will " 1248 "probably have to increase the Correlation and/or Noise filter parameters, " 1249 "too." 1250 msgstr "" 1251 1252 #: ../../image_editor/enhancement_tools.rst:506 1253 msgid "" 1254 "**Matrix size**: This parameter determines the size of the transformation " 1255 "matrix. Increasing the Matrix Size may give better results, especially when " 1256 "you have chosen large values for Circular Sharpness or Gaussian Sharpness. " 1257 "Note that the plug-in will become very slow when you select large values for " 1258 "this parameter. In most cases you should select a value in the range 3-10." 1259 msgstr "" 1260 1261 #: ../../image_editor/enhancement_tools.rst:508 1262 msgid "" 1263 "**Save As** and **Load**: these buttons are used to do just that. Any " 1264 "Refocus parameters that you have set can be saved to the filesystem and " 1265 "loaded later." 1266 msgstr "" 1267 1268 #: ../../image_editor/enhancement_tools.rst:512 1269 msgid "Below, you can see few hints to help you work with the refocus tool:" 1270 msgstr "" 1271 1272 #: ../../image_editor/enhancement_tools.rst:514 1273 msgid "" 1274 "Preferably perform all cropping, color and intensity curve corrections on " 1275 "the image before using this plug-in." 1276 msgstr "" 1277 1278 #: ../../image_editor/enhancement_tools.rst:516 1279 msgid "" 1280 "Otherwise use this plug-in before performing any other operations on the " 1281 "image. The reason is that many operations on the image will leave boundaries " 1282 "that are not immediately visible but that will leave nasty artifacts." 1283 msgstr "" 1284 1285 #: ../../image_editor/enhancement_tools.rst:518 1286 msgid "" 1287 "When you are scanning images and compress them, e.g. to JPEG, you should use " 1288 "the plug-in on the uncompressed image." 1289 msgstr "" 1290 1291 #: ../../image_editor/enhancement_tools.rst:521 1292 msgid "Refocus Comparison with Other Techniques" 1293 msgstr "" 1294 1295 #: ../../image_editor/enhancement_tools.rst:523 1296 msgid "" 1297 "Comparison to two other techniques frequently used to enhance images are:" 1298 msgstr "" 1299 1300 #: ../../image_editor/enhancement_tools.rst:525 1301 msgid "**Simple Sharp** Filter." 1302 msgstr "" 1303 1304 #: ../../image_editor/enhancement_tools.rst:526 1305 msgid "**Unsharp Mask**." 1306 msgstr "" 1307 1308 #: ../../image_editor/enhancement_tools.rst:528 1309 msgid "" 1310 "Sharpening applies a small convolution matrix that increases the difference " 1311 "between a source pixel and its immediate neighbors. FIR Wiener filtering is " 1312 "a more general technique because it allows a much larger neighborhood and " 1313 "better parameterizations. Sharpening only works when your images are very " 1314 "slightly blurred. Furthermore, for high values of the sharpening parameter " 1315 "the results frequently looks \"noisy\". With FIR Wiener filtering this noise " 1316 "can be greatly reduced by selecting higher values for the **Correlation** " 1317 "and **Noise filter** parameters." 1318 msgstr "" 1319 1320 #: ../../image_editor/enhancement_tools.rst:530 1321 msgid "" 1322 "Unsharp masking is another very popular image enhancement technique. From a " 1323 "mathematical point of view its justification is a bit obscure but many " 1324 "people are very fond of it. The first step is to create a blurred copy of " 1325 "the source image. Then the difference between the source image and the " 1326 "blurred image is subtracted from the source image, hence the name unsharp " 1327 "masking. If fact, unsharp masking is more of a contrast enhancement on the " 1328 "important image feature than a sharpening. It does not undo the aperture " 1329 "pattern interference of the camera diaphragm as refocus does." 1330 msgstr "" 1331 1332 #: ../../image_editor/enhancement_tools.rst:532 1333 msgid "" 1334 "In general, unsharp masking produces better results than sharpening. This is " 1335 "probably caused by the fact that unsharp masking uses a larger neighborhood " 1336 "than sharpening." 1337 msgstr "" 1338 1339 #: ../../image_editor/enhancement_tools.rst:534 1340 msgid "" 1341 "From a theoretical point of view unsharp masking must always introduce " 1342 "artifacts. Even under optimal circumstances it can never completely undo the " 1343 "effect of blurring. For Wiener filtering it is possible to prove that it is " 1344 "the optimal linear filter. In practice, in all cases the results of the FIR " 1345 "Wiener filter were at least as good as those of unsharp masking. The FIR " 1346 "Wiener filter is frequently better in restoring small details." 1347 msgstr "" 1348 1349 #: ../../image_editor/enhancement_tools.rst:536 1350 msgid "" 1351 "Below, you can see a comparison of different filter apply on a small " 1352 "unfocused image:" 1353 msgstr "" 1354 1355 #: ../../image_editor/enhancement_tools.rst:543 1356 msgid "" 1357 "Original blurred color image to fix. This image have been taken with an " 1358 "analog still camera. The unfocusing result of an insufficient light for the " 1359 "auto-focus lens." 1360 msgstr "" 1361 1362 #: ../../image_editor/enhancement_tools.rst:552 1363 msgid "Fixed image using simple sharpening filter. Sharpness setting is 80." 1364 msgstr "" 1365 1366 #: ../../image_editor/enhancement_tools.rst:560 1367 msgid "" 1368 "Fixed image using unsharp mask filter. Settings are: Radius=50, Amount = 5, " 1369 "and Threshold=0." 1370 msgstr "" 1371 1372 #: ../../image_editor/enhancement_tools.rst:568 1373 msgid "" 1374 "Fixed image using Refocus filter. Settings are: Circular Sharpness=1.3, " 1375 "Correlation=0.5, Noise Filter=0.020, Gaussian Sharpness=0 and Matrix Size=5." 1376 msgstr "" 1377 1378 #: ../../image_editor/enhancement_tools.rst:574 1379 msgid "" 1380 "For more information about correction of sharpness methods used in digital " 1381 "imagery, you can find a technical comparison at `this url <http://www.optarc." 1382 "co.uk/bialith//Research/BARclockblur.htm>`_." 1383 msgstr "" 1384 1385 #: ../../image_editor/enhancement_tools.rst:579 1386 msgid "Healing Clone Tool" 1387 msgstr "" 1388 1389 #: ../../image_editor/enhancement_tools.rst:581 1390 msgid "" 1391 "The healing tool aims to copy pixel colors from a specific portion of the " 1392 "image, and paste them in another portion of the image using a brush, then " 1393 "apply smoothing. This helps fix artifacts in images, like unwanted spots on " 1394 "someone’s face that can be replaced with more clear skin from a close region " 1395 "of face." 1396 msgstr "" 1397 1398 #: ../../image_editor/enhancement_tools.rst:583 1399 msgid "" 1400 "The tool settings view on the right side provide a toolbar with 5 buttons. " 1401 "From left to right:" 1402 msgstr "" 1403 1404 #: ../../image_editor/enhancement_tools.rst:585 1405 msgid "Select Source Point." 1406 msgstr "" 1407 1408 #: ../../image_editor/enhancement_tools.rst:586 1409 msgid "Polygon Selection With Lasso." 1410 msgstr "" 1411 1412 #: ../../image_editor/enhancement_tools.rst:587 1413 msgid "Move Image." 1414 msgstr "" 1415 1416 #: ../../image_editor/enhancement_tools.rst:588 1417 msgid "Undo clone operation." 1418 msgstr "" 1419 1420 #: ../../image_editor/enhancement_tools.rst:589 1421 msgid "Redo clone operation." 1422 msgstr "" 1423 1424 #: ../../image_editor/enhancement_tools.rst:591 1425 msgid "" 1426 "Below the toolbar, two sliders allows to tune the clone tool properties. " 1427 "First one select the **Brush Radius** to adjust the size of cloned area from " 1428 "the canvas. A radius of 0 has no effect, 1 and above determine the brush " 1429 "radius configuring the size of parts copied in the image." 1430 msgstr "" 1431 1432 #: ../../image_editor/enhancement_tools.rst:593 1433 msgid "" 1434 "Second one is the amount of **Radius Blur** effect in percent applied on " 1435 "data cloned over the canvas. A percent of 0 has no effect, values above 0 " 1436 "represent a factor for mixing the destination color with source color this " 1437 "is done radially i.e. the inner part of the brush radius is totally from " 1438 "source and mixing with destination is done gradually till the outer part of " 1439 "the circle." 1440 msgstr "" 1441 1442 #: ../../image_editor/enhancement_tools.rst:599 1443 msgid "The Image Editor Healing Clone Tool to Remove Unwanted Artifacts" 1444 msgstr "" 1445 1446 #: ../../image_editor/enhancement_tools.rst:601 1447 msgid "" 1448 "To select the source of image to clone, press **S**, or the **Source " 1449 "selection** button from the toolbar on the top of settings view. The cursor " 1450 "will change to aim-shape, to let you decide the central source button where " 1451 "you will start cloning from." 1452 msgstr "" 1453 1454 #: ../../image_editor/enhancement_tools.rst:608 1455 msgid "" 1456 "Screencast of Image Editor Healing Clone Fixing an Artifact with Spot Tool" 1457 msgstr "" 1458 1459 #: ../../image_editor/enhancement_tools.rst:610 1460 msgid "" 1461 "The tool provide also a **Lasso** and **Polygon** selector for the healing " 1462 "clone operations. You can either press :kbd:`L` or the **Lasso selector** " 1463 "button from the toolbar on the top of settings view. The cursor will change " 1464 "to a pen shape, and you can select discrete points as you like. The polygon " 1465 "edges will be drawn, you just need to press and move your mouse to complete " 1466 "the selection form. You don’t have to draw all the region in one time. The " 1467 "polygon will close on itself if you press :kbd:`L` again." 1468 msgstr "" 1469 1470 #: ../../image_editor/enhancement_tools.rst:612 1471 msgid "" 1472 "Now only cloning inside the selected region will happens, cloning outside " 1473 "will be ignored, unless you press :kbd:`L` again or :kbd:`Esc` to deactivate " 1474 "the lasso mode. Once you do that, you can clone anywhere in the screen as " 1475 "usual. Also pressing :kbd:`Esc` while in the process of drawing the lasso " 1476 "polygon will cancel the lasso operation. Here is a screenshot of a lasso " 1477 "polygon selection, and a large portion of the image cloned inside this lasso " 1478 "portion. Of course pressing :kbd:`L` or :kbd:`Esc` again will remove the " 1479 "lasso boundary, keeping the cloned pixels in place, as expected." 1480 msgstr "" 1481 1482 #: ../../image_editor/enhancement_tools.rst:619 1483 msgid "Screencast of Image Editor Healing Clone Fixing an Area Using Lasso" 1484 msgstr "" 1485 1486 #: ../../image_editor/enhancement_tools.rst:621 1487 msgid "" 1488 "You can undo and redo using toolbar buttons from the toolbar on the top of " 1489 "settings view. Two keyboard shortcuts are assigned to the tool: :kbd:`Ctrl" 1490 "+Z` for undo and :kbd:`Ctrl+Shift+Z` for redo. You can undo and redo without " 1491 "limitation." 1492 msgstr "" 1493 1494 #: ../../image_editor/enhancement_tools.rst:626 1495 msgid "G'MIC-Qt Tool" 1496 msgstr "" 1497 1498 #: ../../image_editor/enhancement_tools.rst:628 1499 msgid "" 1500 "G'MIC-Qt is 3rd-party image editing tool provided as a plug-in. It is named " 1501 "**G'MIC** for **GREYC’s Magic for Image Computing**, `an open-source image " 1502 "processing framework <https://gmic.eu/>`_. The full list of G'MIC features " 1503 "is long and cannot be detailed here as it comes with over than 500 " 1504 "interesting functions to explore. It comes with filters for changing colors, " 1505 "creating patterns, adding artistic touches, repairing inconsistencies in " 1506 "pictures, rendering shapes, and much more. The plugin is highly " 1507 "customizable, with the ability to set favorites and even add your own " 1508 "filters." 1509 msgstr "" 1510 1511 #: ../../image_editor/enhancement_tools.rst:630 1512 msgid "" 1513 "G'MIC-Qt is not included in the digiKam source code. Rather, it is a 3rd-" 1514 "party plugin included in binary distributions of digiKam, as the Windows, " 1515 "macOS, and Linux bundles. It can be started from the :menuselection:`Enhance " 1516 "--> G'MIC-Qt` menu entry or uses the icons from Tools in Right sidebar. " 1517 "G’MIC-Qt can be used as you do with other filters, the main difference is " 1518 "that instead of opening a specific filter tab on right sidebar, it opens up " 1519 "a window where you can pick through any of the pre-defined filters." 1520 msgstr "" 1521 1522 #: ../../image_editor/enhancement_tools.rst:636 1523 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Bokeh Filter" 1524 msgstr "" 1525 1526 #: ../../image_editor/enhancement_tools.rst:638 1527 msgid "The categories of **Available filters** in the list are listed below:" 1528 msgstr "" 1529 1530 #: ../../image_editor/enhancement_tools.rst:640 1531 msgid "" 1532 "**About**: these entries are not filters, but just show different " 1533 "information about G'MIC-Qt on the settings view. The **About/Download " 1534 "External Data** entry allows to load new filter definitions via internet." 1535 msgstr "" 1536 1537 #: ../../image_editor/enhancement_tools.rst:642 1538 msgid "" 1539 "**Array and tiles**: this filter collection allows transforming photos as " 1540 "toys, puzzles, maps, and decorative shapes." 1541 msgstr "" 1542 1543 #: ../../image_editor/enhancement_tools.rst:648 1544 msgid "" 1545 "The Image Editor G'MIC-Qt Tool Running the Array-and-Tiles/Puzzle Filter" 1546 msgstr "" 1547 1548 #: ../../image_editor/enhancement_tools.rst:650 1549 msgid "" 1550 "**Artistic**: this filter collection applies great traditional effects that " 1551 "seek to transform a photograph into a drawing or painting." 1552 msgstr "" 1553 1554 #: ../../image_editor/enhancement_tools.rst:656 1555 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Rodilius Filter" 1556 msgstr "" 1557 1558 #: ../../image_editor/enhancement_tools.rst:658 1559 msgid "" 1560 "**Black and White**: this filter collection is dedicated to processing " 1561 "images in gray-scale style, as usual to convert, process the invert to " 1562 "colorize, reduce the map, or simulate fusain drawing." 1563 msgstr "" 1564 1565 #: ../../image_editor/enhancement_tools.rst:664 1566 msgid "" 1567 "The Image Editor G'MIC-Qt Tool Running the Black-and-White/Colorize Filter" 1568 msgstr "" 1569 1570 #: ../../image_editor/enhancement_tools.rst:666 1571 msgid "" 1572 "**Colors**: this filter collection allows the user to define transformation " 1573 "functions operating in different color-spaces, apply LUTs, mix/adjust " 1574 "channels or correct tones by content analysis." 1575 msgstr "" 1576 1577 #: ../../image_editor/enhancement_tools.rst:672 1578 msgid "The Image Editor G'MIC-Qt Tool Running the Colors/Mixer-Lab Filter" 1579 msgstr "" 1580 1581 #: ../../image_editor/enhancement_tools.rst:674 1582 msgid "" 1583 "**Contours**: this filter collection applies the pixel's neighborhood local " 1584 "transformations over the whole photo." 1585 msgstr "" 1586 1587 #: ../../image_editor/enhancement_tools.rst:680 1588 msgid "The Image Editor G'MIC-Qt Tool Running the Contours/Super-Pixels Filter" 1589 msgstr "" 1590 1591 #: ../../image_editor/enhancement_tools.rst:682 1592 msgid "" 1593 "**Deformations**: this filter collection applies physical distortions to the " 1594 "photo." 1595 msgstr "" 1596 1597 #: ../../image_editor/enhancement_tools.rst:688 1598 msgid "" 1599 "The Image Editor G'MIC-Qt Tool Running the Deformations/Drop Water Filter" 1600 msgstr "" 1601 1602 #: ../../image_editor/enhancement_tools.rst:690 1603 msgid "" 1604 "**Degradations**: this filter collection reproduces photographic alterations " 1605 "such as blur, noise, grain, and lens aberrations." 1606 msgstr "" 1607 1608 #: ../../image_editor/enhancement_tools.rst:696 1609 msgid "" 1610 "The Image Editor G'MIC-Qt Tool Running the Degradations/Chromatic-" 1611 "Aberrations Filter" 1612 msgstr "" 1613 1614 #: ../../image_editor/enhancement_tools.rst:698 1615 msgid "" 1616 "**Details**: this filter collection enhances the details in your photos with " 1617 "an armada of multi-scale enhancement algorithms to bring out details and " 1618 "colors of different sizes in photos." 1619 msgstr "" 1620 1621 #: ../../image_editor/enhancement_tools.rst:704 1622 msgid "The Image Editor G'MIC-Qt Tool Running the Details/Mighty Filter" 1623 msgstr "" 1624 1625 #: ../../image_editor/enhancement_tools.rst:706 1626 msgid "" 1627 "**Frames**: one other artistic filter collection dedicated to decorating " 1628 "your photo with ornaments." 1629 msgstr "" 1630 1631 #: ../../image_editor/enhancement_tools.rst:712 1632 msgid "The Image Editor G'MIC-Qt Tool Running the Frames/Droste Filter" 1633 msgstr "" 1634 1635 #: ../../image_editor/enhancement_tools.rst:714 1636 msgid "" 1637 "**Frequencies**: this filter collection is based on Fourier Transforms " 1638 "analysis." 1639 msgstr "" 1640 1641 #: ../../image_editor/enhancement_tools.rst:720 1642 msgid "The Image Editor G'MIC-Qt Tool Running the Frequencies/Bandpass Filter" 1643 msgstr "" 1644 1645 #: ../../image_editor/enhancement_tools.rst:722 1646 msgid "" 1647 "**Layers**: this filter collection works on layers or export contents to " 1648 "separate layers. As layers are not supported by Image Editor, usage of these " 1649 "filters is limited." 1650 msgstr "" 1651 1652 #: ../../image_editor/enhancement_tools.rst:728 1653 msgid "" 1654 "The Image Editor G'MIC-Qt Tool Running the Layers/Tiles-to-Layers Filter" 1655 msgstr "" 1656 1657 #: ../../image_editor/enhancement_tools.rst:730 1658 msgid "" 1659 "**Lights and Shadows**: this filter collection allows adjustment of under-" 1660 "exposed and over-exposed contents from a photo. It's also possible to patch " 1661 "the image with a supplemental source of light." 1662 msgstr "" 1663 1664 #: ../../image_editor/enhancement_tools.rst:736 1665 msgid "" 1666 "The Image Editor G'MIC-Qt Tool Running the Lights-and-Shadows/Pop-Shadows " 1667 "Filter" 1668 msgstr "" 1669 1670 #: ../../image_editor/enhancement_tools.rst:738 1671 msgid "" 1672 "**Patterns**: this filter collection is a set of recursive image generation " 1673 "methods which can produce original and interesting geometric forms." 1674 msgstr "" 1675 1676 #: ../../image_editor/enhancement_tools.rst:744 1677 msgid "The Image Editor G'MIC-Qt Tool Running the Patterns/Halftone Filter" 1678 msgstr "" 1679 1680 #: ../../image_editor/enhancement_tools.rst:746 1681 msgid "" 1682 "**Renderings**: this filter collection superimposes generated artificial " 1683 "forms based on mathematical solutions." 1684 msgstr "" 1685 1686 #: ../../image_editor/enhancement_tools.rst:752 1687 msgid "The Image Editor G'MIC-Qt Tool Running the Rendering/Lightning Filter" 1688 msgstr "" 1689 1690 #: ../../image_editor/enhancement_tools.rst:754 1691 msgid "" 1692 "**Repair**: this filter collection includes advanced algorithms to help with " 1693 "image noise/glitch/objects/artifacts/compression removal. This kind of " 1694 "filter tries to fix very challenging problems that have occupied image-" 1695 "processing researchers for several generations." 1696 msgstr "" 1697 1698 #: ../../image_editor/enhancement_tools.rst:760 1699 msgid "" 1700 "The Image Editor G'MIC-Qt Tool Running the Repair/Denoise Filter based on " 1701 "convolutional neural networks" 1702 msgstr "" 1703 1704 #: ../../image_editor/enhancement_tools.rst:762 1705 msgid "**Sequences**: this filters collection generates animation from photos." 1706 msgstr "" 1707 1708 #: ../../image_editor/enhancement_tools.rst:768 1709 msgid "" 1710 "The Image Editor G'MIC-Qt Tool Running the Sequences/3D_Image-Object Filter" 1711 msgstr "" 1712 1713 #: ../../image_editor/enhancement_tools.rst:770 1714 msgid "" 1715 "**Silhouettes**: this filter collection superimposes forms such as animal " 1716 "finger-print, icons, nature shapes, etc." 1717 msgstr "" 1718 1719 #: ../../image_editor/enhancement_tools.rst:776 1720 msgid "" 1721 "The Image Editor G'MIC-Qt Tool Running the Silhouettes/Nature/Barnsley-Fern " 1722 "Filter" 1723 msgstr "" 1724 1725 #: ../../image_editor/enhancement_tools.rst:778 1726 msgid "**Stereoscopic 3D**: this filter collection renders photos in relief." 1727 msgstr "" 1728 1729 #: ../../image_editor/enhancement_tools.rst:784 1730 msgid "" 1731 "The Image Editor G'MIC-Qt Tool Running the Stereoscopic-3D/Stereo-Image " 1732 "Filter" 1733 msgstr "" 1734 1735 #: ../../image_editor/enhancement_tools.rst:786 1736 msgid "" 1737 "**Testing**: this filter collection groups all tools under development. Take " 1738 "care: these filters can be unstable and give weird effects." 1739 msgstr "" 1740 1741 #: ../../image_editor/enhancement_tools.rst:788 1742 msgid "" 1743 "**Various**: this filters collection groups tools which cannot be " 1744 "categorized in others collections. A G'MIC code editor can be found to " 1745 "create and test new filters." 1746 msgstr "" 1747 1748 #: ../../image_editor/enhancement_tools.rst:794 1749 msgid "The Image Editor G'MIC-Qt Tool Running the Various/Custom-Code Filter" 1750 msgstr "" 1751 1752 #: ../../image_editor/enhancement_tools.rst:796 1753 msgid "" 1754 "The default layout of G'MIC-Qt is quite simple (this can be changed in the " 1755 "G'MIC-Qt **Settings** dialog). See below the description of each pane:" 1756 msgstr "" 1757 1758 #: ../../image_editor/enhancement_tools.rst:798 1759 msgid "" 1760 "On the left, there is the preview. With some filters, the whole image is " 1761 "displayed, and with other filters it will be shown a 100% crop detail, " 1762 "depending on the kind of effect that we are going to activate." 1763 msgstr "" 1764 1765 #: ../../image_editor/enhancement_tools.rst:800 1766 msgid "" 1767 "In the middle, there is the useful search bar at the top, with a list of " 1768 "groups of effects below. Each group can be opened with a double click or by " 1769 "clicking the small arrow on the left of the name." 1770 msgstr "" 1771 1772 #: ../../image_editor/enhancement_tools.rst:802 1773 msgid "" 1774 "On the right would appear the settings of the selected filter, if we had " 1775 "selected one below, to confirm the changes, there are the **Apply** and the " 1776 "**Ok** buttons. The **Cancel** button stops all current processing and " 1777 "returns to the Image Editor." 1778 msgstr "" 1779 1780 #: ../../image_editor/enhancement_tools.rst:804 1781 msgid "" 1782 "You can search a filter using their groups, but the fastest way to find them " 1783 "is to use the **Search** bar at the top of the list. If the filter " 1784 "categories look a bit daunting, it's possible to add the most used filters " 1785 "in a favorites list and to apply a color tag using the filters tree-view " 1786 "context menu. On the bottom, the **Add Fave** button allows appending an " 1787 "entry in the first section named **Faves** on the list." 1788 msgstr "" 1789 1790 #: ../../image_editor/enhancement_tools.rst:810 1791 msgid "" 1792 "The Image Editor G'MIC-Qt Tool Filters Tree-View and the Favorites Context " 1793 "Menu" 1794 msgstr "" 1795 1796 #: ../../image_editor/enhancement_tools.rst:812 1797 msgid "For mostly all the G'MIC-Qt filters you can see these behaviors:" 1798 msgstr "" 1799 1800 #: ../../image_editor/enhancement_tools.rst:814 1801 msgid "" 1802 "When you render the filter on whole data from Image Editor by pressing " 1803 "**Apply** or **Ok** buttons, the processing time can be quite long, with " 1804 "many megapixels images. If the computer is not powerful enough, time to " 1805 "process an image can take a while. A **Progress Bar** on the bottom of the " 1806 "G'MIC-Qt dialog will indicate the computation progress." 1807 msgstr "" 1808 1809 #: ../../image_editor/enhancement_tools.rst:820 1810 msgid "The Image Editor G'MIC-Qt Tool Progress Bar" 1811 msgstr "" 1812 1813 #: ../../image_editor/enhancement_tools.rst:822 1814 msgid "" 1815 "If a filter has many parameter settings, some may not be visible; use the " 1816 "scroll bar to access more settings. Also, it's possible to enlarge the G'MIC-" 1817 "Qt dialog if necessary, or switch to **Fullscreen** with the button on the " 1818 "bottom." 1819 msgstr "" 1820 1821 #: ../../image_editor/enhancement_tools.rst:824 1822 msgid "" 1823 "Depending on the filter, some parameters can require many iterations on the " 1824 "image and increase processing time. Adjust the settings carefully, as the " 1825 "times can increase exponentially before seeing the result." 1826 msgstr "" 1827 1828 #: ../../image_editor/enhancement_tools.rst:826 1829 msgid "" 1830 "The filter preview can be adjusted to compare the results before and after " 1831 "the effect. **Preview Type** settings are available in the parameters pane." 1832 msgstr "" 1833 1834 #: ../../image_editor/enhancement_tools.rst:832 1835 msgid "" 1836 "The Image Editor G'MIC-Qt Tool Preview Type Settings From the Colors/Color-" 1837 "Blindness Filter" 1838 msgstr "" 1839 1840 #: ../../image_editor/enhancement_tools.rst:834 1841 msgid "" 1842 "The **Settings** button on the bottom left will show the G'MIC-Qt " 1843 "configuration dialog with tree tabs:" 1844 msgstr "" 1845 1846 #: ../../image_editor/enhancement_tools.rst:836 1847 msgid "" 1848 "First one is used to customize the G'MIC-Qt **Interface**, as the layout of " 1849 "the tool panes, the language to enable, the preview behavior, and the native " 1850 "dialog to use." 1851 msgstr "" 1852 1853 #: ../../image_editor/enhancement_tools.rst:842 1854 msgid "The Image Editor G'MIC-Qt Tool Settings/Interface Dialog Tab" 1855 msgstr "" 1856 1857 #: ../../image_editor/enhancement_tools.rst:844 1858 msgid "" 1859 "Second one to set up the **Filter sources**, such as where to take filter " 1860 "updates and where to store them on your computer." 1861 msgstr "" 1862 1863 #: ../../image_editor/enhancement_tools.rst:850 1864 msgid "The Image Editor G'MIC-Qt Tool Settings/Filter-Sources Dialog Tab" 1865 msgstr "" 1866 1867 #: ../../image_editor/enhancement_tools.rst:852 1868 msgid "" 1869 "The last one is to tune **Other** parameters, such as when to check for " 1870 "online updates, and the debug verbosity on the console (useful for filter " 1871 "developers)." 1872 msgstr "" 1873 1874 #: ../../image_editor/enhancement_tools.rst:858 1875 msgid "The Image Editor G'MIC-Qt Tool Settings/Other Dialog Tab" 1876 msgstr "" 1877 1878 #: ../../image_editor/enhancement_tools.rst:860 1879 msgid "" 1880 "It's suggested to explore all the available effects in G'MIC-Qt, as you can " 1881 "find interesting artistic solutions for your photo. See `this online review " 1882 "<https://jpfleury.github.io/gfo-demos/demos/fruits-400/index.html>`_ of all " 1883 "G'MIC-Qt filters for details." 1884 msgstr ""