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0001 msgid "" 0002 msgstr "" 0003 "Project-Id-Version: Digikam Manual 8.0.0\n" 0004 "Report-Msgid-Bugs-To: \n" 0005 "POT-Creation-Date: 2023-12-02 00:35+0000\n" 0006 "PO-Revision-Date: 2022-12-29 23:26-0800\n" 0007 "Last-Translator: Japanese KDE translation team <kde-jp@kde.org>\n" 0008 "Language-Team: Japanese <kde-jp@kde.org>\n" 0009 "Language: ja\n" 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-Accelerator-Marker: &\n" 0015 "X-Text-Markup: kde4\n" 0016 0017 #: ../../image_editor/enhancement_tools.rst:1 0018 msgid "digiKam Image Editor Enhancement Tools" 0019 msgstr "" 0020 0021 #: ../../image_editor/enhancement_tools.rst:1 0022 msgid "" 0023 "digiKam, documentation, user manual, photo management, open source, free, " 0024 "learn, easy, image, editor, healing, clone, lens, distortion, sharpen, blur, " 0025 "red, eyes, local, contrast, noise, reduction, hot, pixels, restoration, " 0026 "vignetting" 0027 msgstr "" 0028 0029 #: ../../image_editor/enhancement_tools.rst:14 0030 msgid "Enhancement Tools" 0031 msgstr "" 0032 0033 #: ../../image_editor/enhancement_tools.rst:16 0034 msgid "Contents" 0035 msgstr "" 0036 0037 #: ../../image_editor/enhancement_tools.rst:21 0038 msgid "Lens Distortion Correction" 0039 msgstr "" 0040 0041 #: ../../image_editor/enhancement_tools.rst:23 0042 msgid "" 0043 "The Lens Distortion is a tool to correct spherical lens aberrations on the " 0044 "photos." 0045 msgstr "" 0046 0047 #: ../../image_editor/enhancement_tools.rst:25 0048 msgid "" 0049 "Barrel distortion is associated with wide angle (or minimal zoom) lenses. It " 0050 "causes the images to appear slightly spherical (curved outward) like a " 0051 "barrel. You can notice this when you have straight features close to the " 0052 "image's peripheral sides. Pincushion distortion is the opposite defect and " 0053 "is associated with Telephoto lenses (maximum zoom) or underwater images. The " 0054 "images appear pinched (bent inward) toward the center. The Pincushion is " 0055 "often less noticeable than barrel but are equally visible near the edges. " 0056 "These distortions can easily be eliminated without visible loss in quality " 0057 "with this tool." 0058 msgstr "" 0059 0060 #: ../../image_editor/enhancement_tools.rst:29 0061 msgid "" 0062 "This tool treats the geometrical distortions. Chromatic aberrations will not " 0063 "be corrected by this tool. See the **Lens Auto Correction** tool instead." 0064 msgstr "" 0065 0066 #: ../../image_editor/enhancement_tools.rst:31 0067 msgid "" 0068 "The following figures explain the main types of geometrical distortions:" 0069 msgstr "" 0070 0071 #: ../../image_editor/enhancement_tools.rst:33 0072 msgid "(1): Pincushion distortion." 0073 msgstr "" 0074 0075 #: ../../image_editor/enhancement_tools.rst:35 0076 msgid "(2): No distortion." 0077 msgstr "" 0078 0079 #: ../../image_editor/enhancement_tools.rst:37 0080 msgid "(3): Barrel distortion." 0081 msgstr "" 0082 0083 #: ../../image_editor/enhancement_tools.rst:43 0084 msgid "The Geometrical Distortion Types" 0085 msgstr "" 0086 0087 #: ../../image_editor/enhancement_tools.rst:47 0088 msgid "" 0089 "A bit of explanation first. The geometrical corrections use 4th-order " 0090 "polynomial coefficients:" 0091 msgstr "" 0092 0093 #: ../../image_editor/enhancement_tools.rst:49 0094 msgid "" 0095 "The 1st-order coefficient changes the size of the image. The tool calls this " 0096 "**Zoom**." 0097 msgstr "" 0098 0099 #: ../../image_editor/enhancement_tools.rst:51 0100 msgid "" 0101 "The 2nd-order coefficient treats the main geometrical distortion of lenses " 0102 "and can correct the convex or concave shape of the image." 0103 msgstr "" 0104 0105 #: ../../image_editor/enhancement_tools.rst:53 0106 msgid "" 0107 "The 3rd-order coefficient has a similar rounding effect but levels off " 0108 "towards the edges. This correction is not employed in the tool." 0109 msgstr "" 0110 0111 #: ../../image_editor/enhancement_tools.rst:55 0112 msgid "" 0113 "The 4th-order coefficient corrects the far edges inversely to the 2nd-order " 0114 "rounding. Combining it with the 2nd-order correction the geometrical " 0115 "distortions can be almost completely eliminated." 0116 msgstr "" 0117 0118 #: ../../image_editor/enhancement_tools.rst:61 0119 msgid "The Image Editor Lens Distortion Tool" 0120 msgstr "" 0121 0122 #: ../../image_editor/enhancement_tools.rst:63 0123 msgid "Four sliders let you set the distortion correction filter:" 0124 msgstr "" 0125 0126 #: ../../image_editor/enhancement_tools.rst:65 0127 msgid "" 0128 "**Main**: this value controls the amount of 2nd-order distortion. Negative " 0129 "values correct barrel distortions, while positive values correct pincushion " 0130 "distortion." 0131 msgstr "" 0132 0133 #: ../../image_editor/enhancement_tools.rst:67 0134 msgid "" 0135 "**Edge**: this value controls the amount of 4th-order distortion. The Edge " 0136 "control has more effect at the edges of the image than at the center. For " 0137 "most lenses, the **Edge** parameter has the opposite sign of the **Main** " 0138 "parameter." 0139 msgstr "" 0140 0141 #: ../../image_editor/enhancement_tools.rst:69 0142 msgid "" 0143 "**Zoom**: this value rescales the overall image size (1st-order correction). " 0144 "Negative values zoom out of the image, while positive values zoom in." 0145 msgstr "" 0146 0147 #: ../../image_editor/enhancement_tools.rst:71 0148 msgid "" 0149 "**Brighten**: this control adjusts the brightness in image corners. Negative " 0150 "values decrease the brightness image corners, while positive values increase " 0151 "it." 0152 msgstr "" 0153 0154 #: ../../image_editor/enhancement_tools.rst:73 0155 msgid "" 0156 "To help you to choose the best filter settings, the widget dialog " 0157 "illustrates with a thumbnail preview the distortion correction applied to a " 0158 "crossed mesh pattern. The values you apply to your image will be saved and " 0159 "come up with the same values as default the next time you call the tool." 0160 msgstr "" 0161 0162 #: ../../image_editor/enhancement_tools.rst:77 0163 msgid "" 0164 "The barrel-pincushion correction should be done before any crop or size " 0165 "changes (including perspective correction). In fact the Barrel-Pincushion " 0166 "corrections should be the very first step on the original image. If you crop " 0167 "the image and then use barrel correction the effect would be obviously wrong." 0168 msgstr "" 0169 0170 #: ../../image_editor/enhancement_tools.rst:79 0171 msgid "" 0172 "To help you finding the best correction the tool provides a vertical and " 0173 "horizontal guide. Move the mouse cursor in the image preview to display the " 0174 "dashed lines guide. Move the cursor to an important place in the image like " 0175 "the sea level or a building border and press the left mouse button for " 0176 "freeze the dashed lines position. Now, adjust the barrel/pincushion " 0177 "correction to align with the guide." 0178 msgstr "" 0179 0180 #: ../../image_editor/enhancement_tools.rst:81 0181 msgid "" 0182 "When using pincushion correction the resulting image will have a black " 0183 "border in the corner. You will need to cut this out with a crop tool " 0184 "available in :menuselection:`Transform --> Crop` Image Editor menu or via " 0185 "the zoom slider of this dialog." 0186 msgstr "" 0187 0188 #: ../../image_editor/enhancement_tools.rst:83 0189 msgid "" 0190 "On most images using the barrel correction is enough, however with some " 0191 "shots such as front images, frames, paintings, the next logical step is to " 0192 "use perspective correction to make all the angles 90 degrees. Note that when " 0193 "you hold your camera by hand you almost always introduce some kind of slight " 0194 "perspective distortion." 0195 msgstr "" 0196 0197 #: ../../image_editor/enhancement_tools.rst:88 0198 msgid "Vignetting Correction" 0199 msgstr "" 0200 0201 #: ../../image_editor/enhancement_tools.rst:91 0202 #: ../../image_editor/enhancement_tools.rst:198 0203 #: ../../image_editor/enhancement_tools.rst:405 0204 msgid "Overview" 0205 msgstr "" 0206 0207 #: ../../image_editor/enhancement_tools.rst:93 0208 msgid "" 0209 "digiKam The Vignetting correction is a tool to correct image vignetting " 0210 "(under-exposure in the corners)." 0211 msgstr "" 0212 0213 #: ../../image_editor/enhancement_tools.rst:95 0214 msgid "" 0215 "Wide angle lenses, especially those used in medium and large format " 0216 "photography, frequently do not uniformly illuminate the entire sensor plane. " 0217 "Instead, they *vignette* (shade) the edges and corners of the image, " 0218 "substantially reducing the light reaching the sensor there. But telelenses " 0219 "may show vignetting too." 0220 msgstr "" 0221 0222 #: ../../image_editor/enhancement_tools.rst:97 0223 msgid "" 0224 "The traditional solution for this is to attach a *center filter* to the " 0225 "lens. This is a neutral density filter with maximum density at the optical " 0226 "axis of the lens, clear at the periphery, with density varying inversely to " 0227 "the vignetting of the lens. A center filter has many advantages: not only " 0228 "does it automatically correct for full-frame images but, since it's fixed to " 0229 "the front of the lens, it also compensates for the off-center vignetting " 0230 "which occurs when camera movements are employed for perspective or plane of " 0231 "focus adjustment." 0232 msgstr "" 0233 0234 #: ../../image_editor/enhancement_tools.rst:99 0235 msgid "" 0236 "But there are disadvantages as well. Many center filters require a 1.5 or 2 " 0237 "f-stop filter factor adjustment, which may in turn necessitate a shutter " 0238 "speed so slow (since wide angle lenses, even with center filters, are best " 0239 "used at apertures of f/16 or smaller) that hand-holding the camera is " 0240 "impossible and motion blur becomes a problem when photographing moving " 0241 "objects." 0242 msgstr "" 0243 0244 #: ../../image_editor/enhancement_tools.rst:101 0245 msgid "" 0246 "With the wide exposure range of present-day film and the color (or grey-" 0247 "scale) depth of digital camera or film scanners, it is possible to simulate " 0248 "the effect of a center filter by applying an equivalent transform to a raw " 0249 "image taken without the filter." 0250 msgstr "" 0251 0252 #: ../../image_editor/enhancement_tools.rst:104 0253 msgid "Using the vignetting correction tool" 0254 msgstr "" 0255 0256 #: ../../image_editor/enhancement_tools.rst:110 0257 msgid "The Vignetting Correction Types" 0258 msgstr "" 0259 0260 #: ../../image_editor/enhancement_tools.rst:112 0261 msgid "" 0262 "Five sliders give you control over the vignetting correction filter, and " 0263 "three more over the target image exposure:" 0264 msgstr "" 0265 0266 #: ../../image_editor/enhancement_tools.rst:114 0267 msgid "" 0268 "**Amount**: this option controls the degree of luminosity attenuation by the " 0269 "filter at its point of maximum amount. The default amount is 2.0, which " 0270 "corresponds to an optical filter with a 1 f-stop filter factor (or, by no " 0271 "coincidence, a factor of 2 in luminosity). Increase the amount to compensate " 0272 "for a greater degree of vignetting; reduce it for less." 0273 msgstr "" 0274 0275 #: ../../image_editor/enhancement_tools.rst:116 0276 msgid "" 0277 "**Feather**: this option determines the rate at which the filter intensity " 0278 "falls off from the point of maximum amount toward the edges, expressed as a " 0279 "power factor. The default of 1 yields a linear reduction in filter amount " 0280 "with distance from the center. Power factors greater than 1.0 cause a faster " 0281 "fall-off (for example, a power of 2 causes the amount to decrease as the " 0282 "square of the distance from the center) and causes the effect of the filter " 0283 "to be concentrated near the center. Powers less than 1 spread out the amount " 0284 "of the filter toward the edges; a power of 0.5 causes the amount to fall as " 0285 "the square root of the distance from the center." 0286 msgstr "" 0287 0288 #: ../../image_editor/enhancement_tools.rst:118 0289 msgid "" 0290 "**Radius**: this option specifies the radius, as a multiple of the half " 0291 "diagonal measure of the image, at which the amount of the filter falls off " 0292 "to zero (or, in other words, becomes transparent). The default value of 1.0 " 0293 "specifies a filter which is transparent at its corners. A radius " 0294 "specification greater than 1 extends the effect of the center filter beyond " 0295 "the edges of the image, while a radius less than one limits the filter's " 0296 "action to a region smaller than the image. When compensating for vignetting " 0297 "by lenses used with large format and some medium format cameras, the default " 0298 "radius factor of 1 is rarely correct! These lenses often \"cover\" an image " 0299 "circle substantially larger than the film to permit camera movements to " 0300 "control perspective and focus, and consequently have a vignetting pattern " 0301 "which extends well beyond the edges of the film, requiring a radius setting " 0302 "greater than 1 to simulate a center filter covering the entire image circle." 0303 msgstr "" 0304 0305 #: ../../image_editor/enhancement_tools.rst:120 0306 msgid "" 0307 "**X offset** and **Y offset** settings: these options moves respectively the " 0308 "center of the filter horizontally or vertically up to the border of the " 0309 "image by the specified percentage. A negative value for the X offset will " 0310 "shift the filter to the left while a positive value will shift it to the " 0311 "right. A negative value for the Y offset will move the filter up, and " 0312 "finally a positive value will move it down." 0313 msgstr "" 0314 0315 #: ../../image_editor/enhancement_tools.rst:122 0316 msgid "" 0317 "**Add Vignetting**: many photographs looks flat because of a distracting " 0318 "background or another composition matter. While most of time you will want " 0319 "to remove vignetting it is a fact that a selective vignetting could improve " 0320 "the readability of a photograph and draw the eyes to the intended subject. " 0321 "As an artist you may choose this option, ticking it will invert the filter " 0322 "thus darkening the corners of a photograph." 0323 msgstr "" 0324 0325 #: ../../image_editor/enhancement_tools.rst:124 0326 msgid "" 0327 "The only way to be sure which settings of **Amount**, **Feather**, and " 0328 "**Radius** best compensate for the actual optical characteristics of a given " 0329 "lens is to expose a uniformly illuminated scene (for example, a grey card " 0330 "lit by diffuse light) and perform densitometry on the resulting image (for " 0331 "example with Adjust Level tool histogram position bar). Failing that, or " 0332 "specifications by the lens manufacturer giving the precise degree of " 0333 "vignetting at one or more working apertures, you may have to experiment with " 0334 "different settings to find those which work best for each of your lenses. " 0335 "For help you in this task, the widget dialog provide a thumbnail mask " 0336 "rendering applied on the image. Fortunately, the response of the human eye " 0337 "is logarithmic, not linear like most digital imaging sensors, so you needn't " 0338 "precisely compensate for the actual vignetting to create images which " 0339 "viewers will perceive as uniformly illuminated." 0340 msgstr "" 0341 0342 #: ../../image_editor/enhancement_tools.rst:128 0343 msgid "" 0344 "If you want a finer exposure re-adjustment of the target image, use the " 0345 "Adjust Curve tool from Image Editor available under :menuselection:`Color --" 0346 "> Adjust Curve` menu entry." 0347 msgstr "" 0348 0349 #: ../../image_editor/enhancement_tools.rst:131 0350 msgid "The vignetting correction tool in action" 0351 msgstr "" 0352 0353 #: ../../image_editor/enhancement_tools.rst:133 0354 msgid "" 0355 "This is an example of an anti vignetting correction applied to an image. The " 0356 "original image on the top shows vignetting in the corners, the corrected " 0357 "image on the bottom much less. The values used for this example are:" 0358 msgstr "" 0359 0360 #: ../../image_editor/enhancement_tools.rst:135 0361 msgid "Density = 2.6." 0362 msgstr "" 0363 0364 #: ../../image_editor/enhancement_tools.rst:137 0365 msgid "Power = 0.9." 0366 msgstr "" 0367 0368 #: ../../image_editor/enhancement_tools.rst:139 0369 msgid "Radius = 1.1." 0370 msgstr "" 0371 0372 #: ../../image_editor/enhancement_tools.rst:145 0373 msgid "The Image Editor Anti-Vignetting Tool" 0374 msgstr "" 0375 0376 #: ../../image_editor/enhancement_tools.rst:150 0377 msgid "Lens Auto Correction" 0378 msgstr "" 0379 0380 #: ../../image_editor/enhancement_tools.rst:152 0381 msgid "" 0382 "No lens is optically perfect. Even the most expensive lenses have there own " 0383 "imperfections, however digiKam can correct lens imperfections such as " 0384 "**Distortion**, **Chromatic aberration**, **Vignetting**, and **Geometry**." 0385 msgstr "" 0386 0387 #: ../../image_editor/enhancement_tools.rst:158 0388 msgid "The Lens Auto-Correction Tool from digiKam Image Editor" 0389 msgstr "" 0390 0391 #: ../../image_editor/enhancement_tools.rst:160 0392 msgid "" 0393 "From Image Editor go to :menuselection:`Enhance --> Lens --> Auto " 0394 "Corrections` menu entry to start the automatic lens correction tool. This " 0395 "feature uses lens data from the `Lensfun library <https://lensfun.github.io/" 0396 ">`_ and it has a very much up to date database of lenses which are " 0397 "available. It has more than a hundred lenses in its current databases. It " 0398 "also uses the **Metadata** from the image to find-out which lens is used." 0399 msgstr "" 0400 0401 #: ../../image_editor/enhancement_tools.rst:162 0402 msgid "" 0403 "If the exact used to take the picture is available it will mention that it " 0404 "matches with the metadata (annoted in **Green**), however if the exact match " 0405 "is not available it will choose the settings from the most closes match " 0406 "(annoted in **Orange**). In this case it also allows users to select the " 0407 "lens themselves. If metadata do not match at all, it will be annoted in " 0408 "**Red**." 0409 msgstr "" 0410 0411 #: ../../image_editor/enhancement_tools.rst:168 0412 msgid "Metadata Match with LensFun Database" 0413 msgstr "" 0414 0415 #: ../../image_editor/enhancement_tools.rst:174 0416 msgid "Metadata Match Partially with LensFun Database" 0417 msgstr "" 0418 0419 #: ../../image_editor/enhancement_tools.rst:180 0420 msgid "Metadata do not Match with LensFun Database" 0421 msgstr "" 0422 0423 #: ../../image_editor/enhancement_tools.rst:182 0424 msgid "" 0425 "You can either enable or disable the helper **Grid** lines to visualise how " 0426 "the geometrical distortion are corrected on image." 0427 msgstr "" 0428 0429 #: ../../image_editor/enhancement_tools.rst:188 0430 msgid "" 0431 "The Lens Auto-Correction Tool Displaying the Helper Grid over the Canvas" 0432 msgstr "" 0433 0434 #: ../../image_editor/enhancement_tools.rst:190 0435 msgid "" 0436 "Select the corrections you want to apply move you mouse inwards and outwards " 0437 "of the preview window which will show you before and after. When you are " 0438 "satisfied with the result press **OK**." 0439 msgstr "" 0440 0441 #: ../../image_editor/enhancement_tools.rst:195 0442 msgid "Hot Pixels Correction" 0443 msgstr "" 0444 0445 #: ../../image_editor/enhancement_tools.rst:200 0446 msgid "" 0447 "digiKam The Hot Pixels tool facilitates removing hot pixels from photographs " 0448 "taken with a camera electronic sensor." 0449 msgstr "" 0450 0451 #: ../../image_editor/enhancement_tools.rst:202 0452 msgid "" 0453 "Most current digital cameras produce images with several brightly colored " 0454 "**Bad Pixels** when using slow shutter speeds. Night images can be ruined by " 0455 "these Bad Pixels. There are three different types of Bad Pixels:" 0456 msgstr "" 0457 0458 #: ../../image_editor/enhancement_tools.rst:204 0459 msgid "" 0460 "**Stuck pixels**: it's a pixel that always reads high or is always on to " 0461 "maximum power on all exposures. This produces a bright pixel usually of red, " 0462 "blue or green color in the final image. A stuck pixel will occur regardless " 0463 "of shutter speed, aperture size or any other user settings. It will occur on " 0464 "a normal exposure and tends to be more obvious under bright condition." 0465 msgstr "" 0466 0467 #: ../../image_editor/enhancement_tools.rst:206 0468 msgid "" 0469 "**Dead pixels**: it's a pixel that reads zero or is always off on all " 0470 "exposures. This state produces a black pixel in the final image. Similar to " 0471 "stuck pixel, a dead pixel will occur regardless of shutter speed, aperture " 0472 "size or any other user settings." 0473 msgstr "" 0474 0475 #: ../../image_editor/enhancement_tools.rst:208 0476 msgid "" 0477 "**Hot pixels**: it's a pixel that reads high (bright) on longer exposures as " 0478 "white, red, or green color. The longer the exposure time, the more visible " 0479 "hot pixels will become. These pixels will not be visible in bright " 0480 "conditions." 0481 msgstr "" 0482 0483 #: ../../image_editor/enhancement_tools.rst:210 0484 msgid "" 0485 "Note that stuck or dead pixels will occur at the same location for all " 0486 "images. If the location of the stuck or dead pixel occurs at different " 0487 "locations, it may be a Hot Pixel." 0488 msgstr "" 0489 0490 #: ../../image_editor/enhancement_tools.rst:212 0491 msgid "" 0492 "Stuck, dead or hot pixels are a problem in particular when shooting in high " 0493 "quality raw mode since many cameras have built-in hot pixel suppression " 0494 "applied automatically when JPEG compression is used (which is mostly the " 0495 "case)." 0496 msgstr "" 0497 0498 #: ../../image_editor/enhancement_tools.rst:214 0499 msgid "" 0500 "This tool can be used to fix the **Hot pixels** and **Stuck Pixels** on a " 0501 "photograph using a **Black Frame** subtraction method. There is not a manual " 0502 "editor to select Bad Pixels." 0503 msgstr "" 0504 0505 #: ../../image_editor/enhancement_tools.rst:217 0506 msgid "Create the Black Frames" 0507 msgstr "" 0508 0509 #: ../../image_editor/enhancement_tools.rst:219 0510 msgid "" 0511 "The Black Frame subtraction method is the most accurate \"Hot Pixels\" and " 0512 "\"Stuck Pixels\" removal. First you have to create a \"Black Frame\" as a " 0513 "reference. This is easy to do. When you finish taking your long exposure " 0514 "shots, put a lens cap on the camera and take one \"dark\" image with the " 0515 "same exposure time as the images before. This image will be all dark, but " 0516 "with close examination you will see that it has the Hot and Stuck Pixels " 0517 "(colored dots). These are positioned at the same places as on your previous " 0518 "shots." 0519 msgstr "" 0520 0521 #: ../../image_editor/enhancement_tools.rst:221 0522 msgid "" 0523 "Load this file to the widget using the **Black Frame** button. The tool will " 0524 "process an automatic detection of Hot and Stuck Pixels. They will be " 0525 "highlighted in the control panel preview areas." 0526 msgstr "" 0527 0528 #: ../../image_editor/enhancement_tools.rst:225 0529 msgid "" 0530 "If you use an old digital camera, it is important to re-shoot the Black " 0531 "Frame next time you are taking a long exposure images to detect new Hot and " 0532 "Stuck Pixels on sensor defects." 0533 msgstr "" 0534 0535 #: ../../image_editor/enhancement_tools.rst:228 0536 msgid "Using the Hotpixel Tool" 0537 msgstr "" 0538 0539 #: ../../image_editor/enhancement_tools.rst:234 0540 msgid "The Image Editor Hot Pixels Tool" 0541 msgstr "" 0542 0543 #: ../../image_editor/enhancement_tools.rst:236 0544 msgid "" 0545 "At first, as explained in the previous section, you need to load a Black " 0546 "Frame corresponding to the image to correct. An automatic parsing will be " 0547 "processed on the Black Frame to find bad pixels. Note that the widget will " 0548 "remember the previous Black Frame used on the last session and it will be re-" 0549 "opened automatically with the next session." 0550 msgstr "" 0551 0552 #: ../../image_editor/enhancement_tools.rst:238 0553 msgid "" 0554 "The image panel and the original preview help you to pan within the image. " 0555 "The preview window shows the filter output using the current settings. Bad " 0556 "Pixels are highlighted on preview area." 0557 msgstr "" 0558 0559 #: ../../image_editor/enhancement_tools.rst:240 0560 msgid "" 0561 "Select an area to see bad pixels on preview and the filter result using " 0562 "*Separate View* options of image panel. Choose the best **Filter** method to " 0563 "interpolate pixels or pixel blocks. These are the available filters:" 0564 msgstr "" 0565 0566 #: ../../image_editor/enhancement_tools.rst:242 0567 msgid "" 0568 "**Average**: the pixels adjacent to the pixel block are averaged. The " 0569 "resulting color is assigned to all pixels in the block. For 1-dimensional " 0570 "interpolation, this is done separately for one pixel-wide, horizontal or " 0571 "vertical stripes." 0572 msgstr "" 0573 0574 #: ../../image_editor/enhancement_tools.rst:244 0575 msgid "" 0576 "**Linear**: the pixels which have a distance of 1 from the pixel block are " 0577 "used to calculate a bi-linear surface (2-dim), or a group of linear curves " 0578 "(1-dim), which is then used to assign interpolated colors to the pixels in " 0579 "the block." 0580 msgstr "" 0581 0582 #: ../../image_editor/enhancement_tools.rst:246 0583 msgid "" 0584 "**Quadratic**: this is the default filtering method. The pixels which have a " 0585 "distance of 2 or less from the pixel block are used to calculate a bi-" 0586 "quadratic surface (2-dim), or a group of quadratic curves (1-dim), which is " 0587 "then used to assign interpolated colors to the pixels in the block." 0588 msgstr "" 0589 0590 #: ../../image_editor/enhancement_tools.rst:248 0591 msgid "" 0592 "**Cubic**: the pixels which have a distance of 3 or less from the pixel " 0593 "block are used to calculate a bi-cubic surface (2-dim), or a group of cubic " 0594 "curves (1-dim), which is then used to assign interpolated colors to the " 0595 "pixels in the block." 0596 msgstr "" 0597 0598 #: ../../image_editor/enhancement_tools.rst:253 0599 msgid "Local Contrast Tool" 0600 msgstr "" 0601 0602 #: ../../image_editor/enhancement_tools.rst:255 0603 msgid "The Local Contrast tool render pseudo-HDR image." 0604 msgstr "" 0605 0606 #: ../../image_editor/enhancement_tools.rst:257 0607 msgid "" 0608 "There are multiple ways to render HDR image to improve photos containing " 0609 "under or overexposed areas. With camera devices, usual tools let you merge " 0610 "multiple shots with different exposures into one perfectly exposed photo. " 0611 "This work nicely but require some limitation, as for example the necessity " 0612 "to shot static subjects. But what if you have just in case of single image, " 0613 "or with dynamic subjects? You might want to give a try to the Local Contrast " 0614 "feature. It uses a Low Dynamic Range `Tonemapping <https://en.wikipedia.org/" 0615 "wiki/Tone_mapping>`_ which is designed to improve the dynamic range of the " 0616 "photo by reducing its global contrast and increasing the local contrast. It " 0617 "does so by generating a desaturated and blurred version of the photo. It " 0618 "then combines the RGB channels of the original photo with the desaturated " 0619 "blurred image using either the Linear or Power function. Sounds complicated? " 0620 "Don’t worry, the Local Contrast tool is rather straightforward to use, so " 0621 "you don’t have to understand all its intricacies in order to achieve " 0622 "pleasing results." 0623 msgstr "" 0624 0625 #: ../../image_editor/enhancement_tools.rst:263 0626 msgid "The Image Editor Local Contrast Tool" 0627 msgstr "" 0628 0629 #: ../../image_editor/enhancement_tools.rst:265 0630 msgid "" 0631 "Open the photo you want in the editor and choose :menuselection:`Enhance --> " 0632 "Local Contrast`. The tool lets you apply up to four tonemapping operations " 0633 "called stages. Each **Stage** offers two parameters for you to tweak: " 0634 "**Power** and **Blur**. The former allows you to specify the desaturation " 0635 "level, while the latter lets you adjust the affected areas on the photo. To " 0636 "preview the result, hit the **Try** button. Once you are satisfied with the " 0637 "result, press **OK** to apply the process to the photo." 0638 msgstr "" 0639 0640 #: ../../image_editor/enhancement_tools.rst:267 0641 msgid "" 0642 "While the Local Contrast tool may sound like an easy way to fix photos, you " 0643 "should use it with care: sometimes it can do more damage than good, " 0644 "producing unnaturally looking photos." 0645 msgstr "" 0646 0647 #: ../../image_editor/enhancement_tools.rst:272 0648 msgid "Noise Reduction" 0649 msgstr "" 0650 0651 #: ../../image_editor/enhancement_tools.rst:274 0652 msgid "" 0653 "digiKam The Noise Reduction is a powerful tool to reduce the image noise." 0654 msgstr "" 0655 0656 #: ../../image_editor/enhancement_tools.rst:276 0657 msgid "" 0658 "This tool provides selectable image filters to remove specks or other " 0659 "artifacts caused by junk such as dust or hair on the lens. It also can be " 0660 "used to remove Sensor Noise from the camera that maybe caused by high ISO " 0661 "settings, as well as the so-called Moiré Patterns on scanned images from " 0662 "books or magazines." 0663 msgstr "" 0664 0665 #: ../../image_editor/enhancement_tools.rst:278 0666 msgid "" 0667 "If you want more information about what's digital camera sensor noise, " 0668 "please take a look in `this tutorial <https://www.cambridgeincolour.com/" 0669 "tutorials/image-noise.htm/>`_." 0670 msgstr "" 0671 0672 #: ../../image_editor/enhancement_tools.rst:284 0673 msgid "The Image Editor Noise Reduction Tool" 0674 msgstr "" 0675 0676 #: ../../image_editor/enhancement_tools.rst:286 0677 msgid "" 0678 "The above screenshot shows a typical scene taken with an digital camera " 0679 "using a high sensitivity ISO setting. It shows grainy noise which can be " 0680 "reduced successfully with this tool." 0681 msgstr "" 0682 0683 #: ../../image_editor/enhancement_tools.rst:288 0684 msgid "" 0685 "The re-sizeable image panel with the original preview helps you to pan " 0686 "within the image. Move the red rectangle around to select the area that lets " 0687 "you judge on the optimal filter settings. The preview window shows the " 0688 "filter output using the current settings. It can be rearranged in four " 0689 "different combinations as depicted in the icons below the original preview. " 0690 "This screenshot shows the first arrangement where the same cutout is shown " 0691 "for comparison. On the bottom of preview area, you can see **Zoom Factor** " 0692 "settings to magnify an area of the image." 0693 msgstr "" 0694 0695 #: ../../image_editor/enhancement_tools.rst:290 0696 msgid "You can see below a full description of all parameters:" 0697 msgstr "" 0698 0699 #: ../../image_editor/enhancement_tools.rst:292 0700 msgid "" 0701 "**Estimate Noise**: compute automatically all noise reduction settings by a " 0702 "parse of noise contained in image. By default it recommended to turn on this " 0703 "option and check the result. If reduction of noise is not enough efficient " 0704 "or damage the image, turn off this option, and adjust the **Luminance**, " 0705 "**Chrominance Blue**, and **Chrominance Red** settings manually." 0706 msgstr "" 0707 0708 #: ../../image_editor/enhancement_tools.rst:294 0709 msgid "" 0710 "**Threshold**: use the slider for coarse adjustment, and the spin control " 0711 "for fine adjustment. The threshold is the value below which everything is " 0712 "considered noise. This value should be set so that edges and details are " 0713 "clearly visible and noise is smoothed out. These settings exists for the " 0714 "**Luminance**, **Chrominance Blue**, and **Chrominance Red** channels. " 0715 "Simply adjust it and watch the preview. Adjustment must be made carefully, " 0716 "because the gap between noisy, smooth, and blur is very small. Adjust it as " 0717 "carefully as you would adjust the focus of a camera." 0718 msgstr "" 0719 0720 #: ../../image_editor/enhancement_tools.rst:296 0721 msgid "" 0722 "**Softness**: use the slider for coarse adjustment, and the spin control for " 0723 "fine adjustment. The softness adjusts the level of the thresholding (soft as " 0724 "opposed to hard thresholding). The higher the softness the more noise " 0725 "remains in the image. These settings exists for the **Luminance**, " 0726 "**Chrominance Blue**, and **Chrominance Red** channels. Simply adjust it and " 0727 "watch the preview. As for the Threshold settings, adjustment must be made " 0728 "carefully, because the gap between noisy, smooth, and blur is very small. " 0729 "Adjust it as carefully as you would adjust the focus of a camera." 0730 msgstr "" 0731 0732 #: ../../image_editor/enhancement_tools.rst:298 0733 msgid "" 0734 "**Save As** and **Load**: these buttons are used to do just that. Any Noise " 0735 "Reduction parameters that you have set can be saved to the filesystem and " 0736 "loaded later." 0737 msgstr "" 0738 0739 #: ../../image_editor/enhancement_tools.rst:300 0740 #: ../../image_editor/enhancement_tools.rst:510 0741 msgid "**Defaults**: this button resets all settings to default values." 0742 msgstr "" 0743 0744 #: ../../image_editor/enhancement_tools.rst:305 0745 msgid "Blur Tool" 0746 msgstr "" 0747 0748 #: ../../image_editor/enhancement_tools.rst:307 0749 msgid "The Blur Tool is dedicated to soft an image." 0750 msgstr "" 0751 0752 #: ../../image_editor/enhancement_tools.rst:309 0753 msgid "" 0754 "Sometimes an image is too crisp for your purposes. The solution is to blur " 0755 "it a bit: fortunately blurring an image is much easier than sharpening it. " 0756 "Select the **Blur Tool** with the :menuselection:`Enhance --> Blur` menu " 0757 "entry and experiment with the level. The preview window on the right of the " 0758 "dialog shows the effect of the operation on your photograph." 0759 msgstr "" 0760 0761 #: ../../image_editor/enhancement_tools.rst:315 0762 msgid "The Image Editor Blur Tool" 0763 msgstr "" 0764 0765 #: ../../image_editor/enhancement_tools.rst:320 0766 msgid "Photograph Restoration" 0767 msgstr "" 0768 0769 #: ../../image_editor/enhancement_tools.rst:322 0770 msgid "" 0771 "digiKam The Photograph Restoration is definitely one of the most advanced " 0772 "tools to reduce photograph artifacts." 0773 msgstr "" 0774 0775 #: ../../image_editor/enhancement_tools.rst:324 0776 msgid "" 0777 "This fantastic restoration filter is a development providing unprecedented " 0778 "possibilities in the public domain to remove lots of unwanted stuff from " 0779 "your images. It is well adapted to deal with degraded images suffering from " 0780 "Gaussian noise, film grain, scratches or compression artifacts and local " 0781 "degradations usually encountered in digital (original or digitized) images. " 0782 "The smoothing happens along the image curvatures, thus preserving the " 0783 "meaningful content much alike our human eye would want it." 0784 msgstr "" 0785 0786 #: ../../image_editor/enhancement_tools.rst:330 0787 msgid "The Image Editor Restoration Tool" 0788 msgstr "" 0789 0790 #: ../../image_editor/enhancement_tools.rst:332 0791 msgid "" 0792 "The tool comes with several presets as starting points and to simplify the " 0793 "restoration. The preset settings available are listed below:" 0794 msgstr "" 0795 0796 #: ../../image_editor/enhancement_tools.rst:334 0797 msgid "" 0798 "**None**: Using most common default filter settings not optimized for any " 0799 "particular purpose." 0800 msgstr "" 0801 0802 #: ../../image_editor/enhancement_tools.rst:336 0803 msgid "" 0804 "**Reduce Uniform Noise**: Optimum settings for image noise due to sensors." 0805 msgstr "" 0806 0807 #: ../../image_editor/enhancement_tools.rst:338 0808 msgid "" 0809 "**Reduce JPEG Artifacts**: JPEG's compression is not perfect, in fact for " 0810 "some types of images it is far from it. As a lossy compression algorithm, " 0811 "there are some compression \"artifacts\" - slight defaults showing in the " 0812 "decompressed image. This setting aims at correcting this problem." 0813 msgstr "" 0814 0815 #: ../../image_editor/enhancement_tools.rst:340 0816 msgid "" 0817 "**Reduce Texturing**: Optimized to remove artifacts from scanning, " 0818 "digitizing or Moire patterns." 0819 msgstr "" 0820 0821 #: ../../image_editor/enhancement_tools.rst:342 0822 msgid "" 0823 "If you want to set filter parameters for finer adjustments, use **General** " 0824 "and **Advanced Settings** tabs:" 0825 msgstr "" 0826 0827 #: ../../image_editor/enhancement_tools.rst:348 0828 msgid "The Image Editor Restoration Tool Preset Settings" 0829 msgstr "" 0830 0831 #: ../../image_editor/enhancement_tools.rst:350 0832 msgid "" 0833 "**Detail Preservation** p [0, 100]: this controls the preservation of the " 0834 "curvatures (features). A low value forces an equal smoothing across the " 0835 "image, whereas bigger values preferably smooth the homogeneous regions and " 0836 "leaves the details sharper. A value of 0.9 should well preserve details so " 0837 "that no sharpening is required afterwards. Note that **Detail Preservation** " 0838 "must be always inferior to **Anisotropy**." 0839 msgstr "" 0840 0841 #: ../../image_editor/enhancement_tools.rst:352 0842 msgid "" 0843 "**Anisotropy alpha** [0, 100]: a low value smooths equally in all " 0844 "directions, whereas a value close to 1 smooths in one direction only. If you " 0845 "have film grain or CCD kind of noise a high value will result in wave-like " 0846 "pattern, whereas JPEG artifacts are suited for values close to 1." 0847 msgstr "" 0848 0849 #: ../../image_editor/enhancement_tools.rst:354 0850 msgid "" 0851 "**Smoothing** [0, 500]: this sets the maximum overall smoothing factor (when " 0852 "p defines the relative smoothing). Set it according to the noise level." 0853 msgstr "" 0854 0855 #: ../../image_editor/enhancement_tools.rst:356 0856 msgid "" 0857 "**Regularity** [0, 100]: this parameter is concerned with the uniformity of " 0858 "the smoothing. Imagine the smoothing process as a combing of the image. Then " 0859 "the Regularity would correspond to the size of the comb. The bigger this " 0860 "value, the more even the overall smoothing will be. This is necessary when " 0861 "much noise is present since it is then difficult to estimate the local " 0862 "geometry. Also if you want to achieve a 'van Gogh' turbulence effect, " 0863 "setting it higher than 3 is recommended." 0864 msgstr "" 0865 0866 #: ../../image_editor/enhancement_tools.rst:358 0867 msgid "" 0868 "**Filter Iterations**: number of times the blurring algorithm is applied. " 0869 "Usually 1 or 2 is sufficient." 0870 msgstr "" 0871 0872 #: ../../image_editor/enhancement_tools.rst:364 0873 msgid "The Image Editor Restoration Tool Advanced Settings" 0874 msgstr "" 0875 0876 #: ../../image_editor/enhancement_tools.rst:366 0877 msgid "" 0878 "**Angular Step** da [5, 90]: angular integration of the anisotropy alpha. If " 0879 "alpha is chosen small, da should also be chosen small. But beware, small " 0880 "angles result in long runs! Choose it as large as you can accept." 0881 msgstr "" 0882 0883 #: ../../image_editor/enhancement_tools.rst:368 0884 msgid "" 0885 "**Integral Step** [0.1, 10]: spatial integration step width in terms of " 0886 "pixels. Should remain less than 1 (sub-pixel smoothing) and never be higher " 0887 "than 2." 0888 msgstr "" 0889 0890 #: ../../image_editor/enhancement_tools.rst:370 0891 msgid "" 0892 "**Use Linear Interpolation**: The gain in quality if you select this option " 0893 "is only marginal and you lose a factor of 2 in speed. Our recommendation is " 0894 "to leave it off." 0895 msgstr "" 0896 0897 #: ../../image_editor/enhancement_tools.rst:372 0898 msgid "" 0899 "**Save As** and **Load** buttons are used to do just that. Any Photograph " 0900 "Restoration filter settings that you have set can be saved to the filesystem " 0901 "in a text file and loaded later." 0902 msgstr "" 0903 0904 #: ../../image_editor/enhancement_tools.rst:376 0905 msgid "" 0906 "Photograph restoration is (comparatively) very fast in what it is doing, but " 0907 "it can take a long time to run and cause high CPU load. You may always abort " 0908 "computation by pressing **Abort** button during preview rendering." 0909 msgstr "" 0910 0911 #: ../../image_editor/enhancement_tools.rst:381 0912 msgid "Remove Red Eyes" 0913 msgstr "" 0914 0915 #: ../../image_editor/enhancement_tools.rst:383 0916 msgid "" 0917 "Red eyes are caused when the camera flashlight is used to take photographs " 0918 "of people. The red is the reflection from the back of the eye which can be " 0919 "seen because the pupil cannot react quickly enough to the flash. By the way, " 0920 "with a separate flash light the red eye effect is less likely because of the " 0921 "different viewing angle of flash and lens. You can correct some of the worst " 0922 "effect of Red Eye by selecting the area of the eye on the photograph, in the " 0923 "same way as described for cropping above. Then select :menuselection:" 0924 "`Enhance --> Red Eye Reduction`." 0925 msgstr "" 0926 0927 #: ../../image_editor/enhancement_tools.rst:385 0928 msgid "How it works" 0929 msgstr "" 0930 0931 #: ../../image_editor/enhancement_tools.rst:387 0932 msgid "" 0933 "Set the preview mode to your liking. Adjust region of image to the eyes of " 0934 "face to fix." 0935 msgstr "" 0936 0937 #: ../../image_editor/enhancement_tools.rst:389 0938 msgid "" 0939 "A neural network engine parse the image contents to localize automatically " 0940 "eyes and the red pupils." 0941 msgstr "" 0942 0943 #: ../../image_editor/enhancement_tools.rst:391 0944 msgid "" 0945 "The **Red Level** setting adjusts the amount of red eyes removal, in " 0946 "aggressive mode or not." 0947 msgstr "" 0948 0949 #: ../../image_editor/enhancement_tools.rst:397 0950 msgid "The Image Editor Red Eyes Removal" 0951 msgstr "" 0952 0953 #: ../../image_editor/enhancement_tools.rst:402 0954 msgid "Image Sharpening" 0955 msgstr "" 0956 0957 #: ../../image_editor/enhancement_tools.rst:407 0958 msgid "" 0959 "digiKam provides three different tools for sharpening, with each having " 0960 "merits in a different area." 0961 msgstr "" 0962 0963 #: ../../image_editor/enhancement_tools.rst:409 0964 msgid "" 0965 "**Simple Sharp** is a traditional sharpening tool, which is very fast and " 0966 "easy, but may quickly produce grainy images, in particular in dark areas." 0967 msgstr "" 0968 0969 #: ../../image_editor/enhancement_tools.rst:411 0970 msgid "" 0971 "**Unsharp Mask** works on the edge contrast to make an image appear sharper, " 0972 "but it actually does not sharpen at all, it works rather psychovisually. It " 0973 "can be used to remove atmospheric haze, and here it does a real good job. " 0974 "The algorithm was taken from the Gimp, and it is copyrighted by Winston " 0975 "Chang." 0976 msgstr "" 0977 0978 #: ../../image_editor/enhancement_tools.rst:413 0979 msgid "" 0980 "**Refocus** is probably the best of the three because it actually improves " 0981 "sharpness. It is a bit more involved in its application as is has several " 0982 "parameters to play with." 0983 msgstr "" 0984 0985 #: ../../image_editor/enhancement_tools.rst:415 0986 msgid "" 0987 "Out-of-focus photographs, as well as most digitized images, need correction " 0988 "of sharpness. This is due to the digitizing process that must chop up a " 0989 "color continuum in points with slightly different colors: elements thinner " 0990 "than sampling frequency will be averaged into an uniform color. Thus, sharp " 0991 "borders are rendered a little blurred. The same phenomenon appears when " 0992 "printing color dots on paper. SLR cameras need even more sharpening on a " 0993 "regular basis than consumer cameras." 0994 msgstr "" 0995 0996 #: ../../image_editor/enhancement_tools.rst:417 0997 msgid "" 0998 "Whereas JPEG images have some camera-internal sharpening applied, RAW format " 0999 "images always need sharpening in their workflow." 1000 msgstr "" 1001 1002 #: ../../image_editor/enhancement_tools.rst:419 1003 msgid "" 1004 "Some scanners apply a sharpen filter while scanning. It's worth to disable " 1005 "it so that you keep control over your image." 1006 msgstr "" 1007 1008 #: ../../image_editor/enhancement_tools.rst:422 1009 msgid "Adjusting Sharpness" 1010 msgstr "" 1011 1012 #: ../../image_editor/enhancement_tools.rst:424 1013 msgid "" 1014 "If the camera focus is not set perfectly or if the camera is moving when the " 1015 "image is taken the result is a blurred photograph. If there is a lot of " 1016 "blurring, you probably will not be able to do much about it with any " 1017 "technique. If there is only a moderate amount, you should be able to improve " 1018 "the image. Many good SLR cameras apply less image processing to the images " 1019 "than simpler cameras (which tend to artificially increase the contrast to " 1020 "make the images look crisp). This kind of slight blur can be easily improved " 1021 "with tools." 1022 msgstr "" 1023 1024 #: ../../image_editor/enhancement_tools.rst:426 1025 msgid "" 1026 "In some situations, you may be able to get useful results by sharpening an " 1027 "photograph using the Sharpen tool by the :menuselection:`Enhance --> " 1028 "Sharpen` menu entry and the **Sharpen** option from **Method** setting." 1029 msgstr "" 1030 1031 #: ../../image_editor/enhancement_tools.rst:432 1032 msgid "The Image Editor Sharpen Tool" 1033 msgstr "" 1034 1035 #: ../../image_editor/enhancement_tools.rst:434 1036 msgid "" 1037 "You should be careful with this though, or the results will not look very " 1038 "natural: sharpening increases the apparent sharpness of edges in the " 1039 "photograph, but also amplifies noise. Generally, the most useful technique " 1040 "for sharpening a fuzzy photograph is the Refocus tool. You can access it " 1041 "with the **Refocus** option from **Method** setting. Look at Refocus for " 1042 "more information and a comparison of all the sharpening techniques." 1043 msgstr "" 1044 1045 #: ../../image_editor/enhancement_tools.rst:437 1046 msgid "Reducing Graininess In a Photograph" 1047 msgstr "" 1048 1049 #: ../../image_editor/enhancement_tools.rst:439 1050 msgid "" 1051 "When you take a photograph in low-light conditions or with a very fast " 1052 "exposure time, the camera does not get enough data to make good estimates of " 1053 "the true color at each pixel, and consequently the resulting photograph " 1054 "looks grainy. You can \"smooth out\" the graininess by blurring the image, " 1055 "but then you will also lose sharpness. Probably the best approach - if the " 1056 "graininess is not too bad - is to use the filter **Noise Reduction** tool, " 1057 "and you can access it by the :menuselection:`Enhance --> Noise Reduction` " 1058 "menu entry." 1059 msgstr "" 1060 1061 #: ../../image_editor/enhancement_tools.rst:442 1062 msgid "Softening a Photograph" 1063 msgstr "" 1064 1065 #: ../../image_editor/enhancement_tools.rst:444 1066 msgid "" 1067 "Sometimes you have the opposite problem: an image is too crisp. The solution " 1068 "is to blur it a bit: fortunately blurring an image is much easier than " 1069 "sharpening it. Select the **Blur Tool** with the :menuselection:`Enhance --> " 1070 "Blur` menu entry and experiment with the level. The preview window on the " 1071 "right of the dialog shows the effect of the operation on your photograph." 1072 msgstr "" 1073 1074 #: ../../image_editor/enhancement_tools.rst:447 1075 msgid "The Unsharp Mask Filter" 1076 msgstr "" 1077 1078 #: ../../image_editor/enhancement_tools.rst:451 1079 msgid "" 1080 "The **Unsharp Mask** filter is an excellent tool to remove haze from your " 1081 "photographs." 1082 msgstr "" 1083 1084 #: ../../image_editor/enhancement_tools.rst:457 1085 msgid "The Image Editor Unsharpen Mask Tool" 1086 msgstr "" 1087 1088 #: ../../image_editor/enhancement_tools.rst:459 1089 #: ../../image_editor/enhancement_tools.rst:484 1090 msgid "" 1091 "The image panel and the original preview help you to pan within the image. " 1092 "The preview window shows the filter output using the current settings." 1093 msgstr "" 1094 1095 #: ../../image_editor/enhancement_tools.rst:461 1096 msgid "" 1097 "There are two important parameters, **Radius** and **Amount**. The default " 1098 "values often work pretty well, so you should try them first. Increasing " 1099 "either the **Radius** or the **Amount** increases the strength of the " 1100 "effect. Don't get carried away, though: if you make the unsharp mask too " 1101 "strong, it will amplify noise in the image and create the impressions of " 1102 "ridges next to sharp edges." 1103 msgstr "" 1104 1105 #: ../../image_editor/enhancement_tools.rst:463 1106 msgid "" 1107 "The **Radius** allows you to set how many pixels on either side of an edge " 1108 "that will be affected by sharpening. High resolution images allow higher " 1109 "radius. You'd better always sharpen an image at its final resolution." 1110 msgstr "" 1111 1112 #: ../../image_editor/enhancement_tools.rst:465 1113 msgid "" 1114 "The **Amount** control is the percentage of the difference between the " 1115 "original and the blur image that is added back into the original. It allows " 1116 "you to set strength of sharpening." 1117 msgstr "" 1118 1119 #: ../../image_editor/enhancement_tools.rst:467 1120 msgid "" 1121 "The **Threshold** control is a fraction of the maximum RGB value, needed to " 1122 "apply the difference amount. It allows you to set the minimum difference in " 1123 "pixel values that indicates an edge where sharpening should be applied. That " 1124 "way, you can protect areas of smooth tonal transition from sharpening, and " 1125 "avoid creation of blemishes in face, sky or water surface." 1126 msgstr "" 1127 1128 #: ../../image_editor/enhancement_tools.rst:470 1129 msgid "Refocus a Photograph" 1130 msgstr "" 1131 1132 #: ../../image_editor/enhancement_tools.rst:472 1133 msgid "" 1134 "The Refocus is a tool to refocus an image by enhancing the sharpness. It " 1135 "uses the deconvolution Filter algorithm." 1136 msgstr "" 1137 1138 #: ../../image_editor/enhancement_tools.rst:474 1139 msgid "" 1140 "This tool attempts to \"refocus\" an image by undoing the defocussing. This " 1141 "is better than just trying to sharpen a photograph. It is employing a " 1142 "technique called FIR Wiener Filtering. The traditional technique for " 1143 "sharpening images is to use unsharp masking. Refocus generally produces " 1144 "better results than Unsharp masking. Start it from the :menuselection:" 1145 "`Enhance --> Sharpen` menu entry and **Refocus** option." 1146 msgstr "" 1147 1148 #: ../../image_editor/enhancement_tools.rst:476 1149 msgid "" 1150 "The Refocus technique works differently from **Unsharp Mask** and is also " 1151 "unlike the **Sharpen** Filter which both increase the contrast of the edges " 1152 "of an image. Refocus rather reverses the process by which the image got " 1153 "blurred by the circular aperture of the camera. This method gives you as " 1154 "much of the original \"in focus\" image as possible. Refocus uses a very " 1155 "powerful deconvolution algorithm that will reclaim the data that has been " 1156 "mixed up. In mathematical terms, blurring is usually the result of a " 1157 "convolution, a deconvolution will reverse the process, this is exactly what " 1158 "Refocus is doing. Furthermore, the FIR filter technique allows to remove " 1159 "much of the noise and granularity that often gets accentuated in the " 1160 "sharpening process of all sharpening filters." 1161 msgstr "" 1162 1163 #: ../../image_editor/enhancement_tools.rst:482 1164 msgid "The Image Editor Refocus Tool" 1165 msgstr "" 1166 1167 #: ../../image_editor/enhancement_tools.rst:486 1168 msgid "" 1169 "In most cases (blurring by camera) a circular convolution caused the image " 1170 "degradation, but there are two convolutions available:" 1171 msgstr "" 1172 1173 #: ../../image_editor/enhancement_tools.rst:488 1174 msgid "" 1175 "The **Circular convolution**: this one spreads each source point uniformly " 1176 "across a small disk with a fixed radius. Technically this describes the " 1177 "effects of using a (ideal) lens that is not correctly focused." 1178 msgstr "" 1179 1180 #: ../../image_editor/enhancement_tools.rst:490 1181 msgid "" 1182 "The **Gaussian convolution**: this one is mathematically similar to the " 1183 "normal distribution, with its bell-shaped curve. Originates rather from " 1184 "unnatural blurring (software blurring). From a theoretical point of view the " 1185 "mathematical justification for using the Gaussian convolution is that when " 1186 "you a apply a large number of independent random convolutions the results " 1187 "will always approach a Gaussian convolution." 1188 msgstr "" 1189 1190 #: ../../image_editor/enhancement_tools.rst:492 1191 msgid "" 1192 "The refocus tool supports both the Circular and the Gaussian convolution " 1193 "plus mixtures of both." 1194 msgstr "" 1195 1196 #: ../../image_editor/enhancement_tools.rst:494 1197 msgid "" 1198 "In practice, in most cases the Circular convolution works much better than " 1199 "the Gaussian convolution. The Gaussian convolution has a very long tail, so " 1200 "mathematically the result of the convolution also depends on source pixels " 1201 "at a large distance from the original source pixel. The FIR Wiener inverse " 1202 "of a Gaussian convolution in most cases is heavily influenced by source " 1203 "pixels at a large distances, and in most cases this produces undesirable " 1204 "results." 1205 msgstr "" 1206 1207 #: ../../image_editor/enhancement_tools.rst:496 1208 msgid "" 1209 "To set correctly the deconvolution filter, the plug-in has the following " 1210 "parameters:" 1211 msgstr "" 1212 1213 #: ../../image_editor/enhancement_tools.rst:498 1214 msgid "" 1215 "**Circular Sharpness**: This is the radius of the Circular convolution " 1216 "filter. It is the most important parameter for using the plug-in. With most " 1217 "images the default value of 1 should give good results. Select a higher " 1218 "value when your image is very blurred, but beware of producing halos." 1219 msgstr "" 1220 1221 #: ../../image_editor/enhancement_tools.rst:500 1222 msgid "" 1223 "**Correlation**: Increasing the Correlation may help reducing artifacts. The " 1224 "correlation can range from 0-1. Useful values are 0.5 and values close to 1, " 1225 "e.g. 0.95 and 0.99. Using a high value for the correlation will reduce the " 1226 "sharpening effect of the plug-in." 1227 msgstr "" 1228 1229 #: ../../image_editor/enhancement_tools.rst:502 1230 msgid "" 1231 "**Noise filter**: Increasing the Noise filter parameter helps reducing " 1232 "artifacts. The Noise can range from 0-1 but values higher than 0.1 are " 1233 "rarely helpful. When the Noise value is too low, e.g. 0 the image quality " 1234 "will be horrible. A useful value is 0.03. Using a high value for the Noise " 1235 "will even blur the image further." 1236 msgstr "" 1237 1238 #: ../../image_editor/enhancement_tools.rst:504 1239 msgid "" 1240 "**Gaussian Sharpness**: This is the radius for the Gaussian convolution " 1241 "filter. Use this parameter when your blurring is Gaussian (mostly due to " 1242 "previous blur filtering). In most cases you should leave this parameter to " 1243 "0, because it causes nasty artifacts. When you use non-zero values you will " 1244 "probably have to increase the Correlation and/or Noise filter parameters, " 1245 "too." 1246 msgstr "" 1247 1248 #: ../../image_editor/enhancement_tools.rst:506 1249 msgid "" 1250 "**Matrix size**: This parameter determines the size of the transformation " 1251 "matrix. Increasing the Matrix Size may give better results, especially when " 1252 "you have chosen large values for Circular Sharpness or Gaussian Sharpness. " 1253 "Note that the plug-in will become very slow when you select large values for " 1254 "this parameter. In most cases you should select a value in the range 3-10." 1255 msgstr "" 1256 1257 #: ../../image_editor/enhancement_tools.rst:508 1258 msgid "" 1259 "**Save As** and **Load**: these buttons are used to do just that. Any " 1260 "Refocus parameters that you have set can be saved to the filesystem and " 1261 "loaded later." 1262 msgstr "" 1263 1264 #: ../../image_editor/enhancement_tools.rst:512 1265 msgid "Below, you can see few hints to help you work with the refocus tool:" 1266 msgstr "" 1267 1268 #: ../../image_editor/enhancement_tools.rst:514 1269 msgid "" 1270 "Preferably perform all cropping, color and intensity curve corrections on " 1271 "the image before using this plug-in." 1272 msgstr "" 1273 1274 #: ../../image_editor/enhancement_tools.rst:516 1275 msgid "" 1276 "Otherwise use this plug-in before performing any other operations on the " 1277 "image. The reason is that many operations on the image will leave boundaries " 1278 "that are not immediately visible but that will leave nasty artifacts." 1279 msgstr "" 1280 1281 #: ../../image_editor/enhancement_tools.rst:518 1282 msgid "" 1283 "When you are scanning images and compress them, e.g. to JPEG, you should use " 1284 "the plug-in on the uncompressed image." 1285 msgstr "" 1286 1287 #: ../../image_editor/enhancement_tools.rst:521 1288 msgid "Refocus Comparison with Other Techniques" 1289 msgstr "" 1290 1291 #: ../../image_editor/enhancement_tools.rst:523 1292 msgid "" 1293 "Comparison to two other techniques frequently used to enhance images are:" 1294 msgstr "" 1295 1296 #: ../../image_editor/enhancement_tools.rst:525 1297 msgid "**Simple Sharp** Filter." 1298 msgstr "" 1299 1300 #: ../../image_editor/enhancement_tools.rst:526 1301 msgid "**Unsharp Mask**." 1302 msgstr "" 1303 1304 #: ../../image_editor/enhancement_tools.rst:528 1305 msgid "" 1306 "Sharpening applies a small convolution matrix that increases the difference " 1307 "between a source pixel and its immediate neighbors. FIR Wiener filtering is " 1308 "a more general technique because it allows a much larger neighborhood and " 1309 "better parameterizations. Sharpening only works when your images are very " 1310 "slightly blurred. Furthermore, for high values of the sharpening parameter " 1311 "the results frequently looks \"noisy\". With FIR Wiener filtering this noise " 1312 "can be greatly reduced by selecting higher values for the **Correlation** " 1313 "and **Noise filter** parameters." 1314 msgstr "" 1315 1316 #: ../../image_editor/enhancement_tools.rst:530 1317 msgid "" 1318 "Unsharp masking is another very popular image enhancement technique. From a " 1319 "mathematical point of view its justification is a bit obscure but many " 1320 "people are very fond of it. The first step is to create a blurred copy of " 1321 "the source image. Then the difference between the source image and the " 1322 "blurred image is subtracted from the source image, hence the name unsharp " 1323 "masking. If fact, unsharp masking is more of a contrast enhancement on the " 1324 "important image feature than a sharpening. It does not undo the aperture " 1325 "pattern interference of the camera diaphragm as refocus does." 1326 msgstr "" 1327 1328 #: ../../image_editor/enhancement_tools.rst:532 1329 msgid "" 1330 "In general, unsharp masking produces better results than sharpening. This is " 1331 "probably caused by the fact that unsharp masking uses a larger neighborhood " 1332 "than sharpening." 1333 msgstr "" 1334 1335 #: ../../image_editor/enhancement_tools.rst:534 1336 msgid "" 1337 "From a theoretical point of view unsharp masking must always introduce " 1338 "artifacts. Even under optimal circumstances it can never completely undo the " 1339 "effect of blurring. For Wiener filtering it is possible to prove that it is " 1340 "the optimal linear filter. In practice, in all cases the results of the FIR " 1341 "Wiener filter were at least as good as those of unsharp masking. The FIR " 1342 "Wiener filter is frequently better in restoring small details." 1343 msgstr "" 1344 1345 #: ../../image_editor/enhancement_tools.rst:536 1346 msgid "" 1347 "Below, you can see a comparison of different filter apply on a small " 1348 "unfocused image:" 1349 msgstr "" 1350 1351 #: ../../image_editor/enhancement_tools.rst:543 1352 msgid "" 1353 "Original blurred color image to fix. This image have been taken with an " 1354 "analog still camera. The unfocusing result of an insufficient light for the " 1355 "auto-focus lens." 1356 msgstr "" 1357 1358 #: ../../image_editor/enhancement_tools.rst:552 1359 msgid "Fixed image using simple sharpening filter. Sharpness setting is 80." 1360 msgstr "" 1361 1362 #: ../../image_editor/enhancement_tools.rst:560 1363 msgid "" 1364 "Fixed image using unsharp mask filter. Settings are: Radius=50, Amount = 5, " 1365 "and Threshold=0." 1366 msgstr "" 1367 1368 #: ../../image_editor/enhancement_tools.rst:568 1369 msgid "" 1370 "Fixed image using Refocus filter. Settings are: Circular Sharpness=1.3, " 1371 "Correlation=0.5, Noise Filter=0.020, Gaussian Sharpness=0 and Matrix Size=5." 1372 msgstr "" 1373 1374 #: ../../image_editor/enhancement_tools.rst:574 1375 msgid "" 1376 "For more information about correction of sharpness methods used in digital " 1377 "imagery, you can find a technical comparison at `this url <http://www.optarc." 1378 "co.uk/bialith//Research/BARclockblur.htm>`_." 1379 msgstr "" 1380 1381 #: ../../image_editor/enhancement_tools.rst:579 1382 msgid "Healing Clone Tool" 1383 msgstr "" 1384 1385 #: ../../image_editor/enhancement_tools.rst:581 1386 msgid "" 1387 "The healing tool aims to copy pixel colors from a specific portion of the " 1388 "image, and paste them in another portion of the image using a brush, then " 1389 "apply smoothing. This helps fix artifacts in images, like unwanted spots on " 1390 "someone’s face that can be replaced with more clear skin from a close region " 1391 "of face." 1392 msgstr "" 1393 1394 #: ../../image_editor/enhancement_tools.rst:583 1395 msgid "" 1396 "The tool settings view on the right side provide a toolbar with 5 buttons. " 1397 "From left to right:" 1398 msgstr "" 1399 1400 #: ../../image_editor/enhancement_tools.rst:585 1401 msgid "Select Source Point." 1402 msgstr "" 1403 1404 #: ../../image_editor/enhancement_tools.rst:586 1405 msgid "Polygon Selection With Lasso." 1406 msgstr "" 1407 1408 #: ../../image_editor/enhancement_tools.rst:587 1409 msgid "Move Image." 1410 msgstr "" 1411 1412 #: ../../image_editor/enhancement_tools.rst:588 1413 msgid "Undo clone operation." 1414 msgstr "" 1415 1416 #: ../../image_editor/enhancement_tools.rst:589 1417 msgid "Redo clone operation." 1418 msgstr "" 1419 1420 #: ../../image_editor/enhancement_tools.rst:591 1421 msgid "" 1422 "Below the toolbar, two sliders allows to tune the clone tool properties. " 1423 "First one select the **Brush Radius** to adjust the size of cloned area from " 1424 "the canvas. A radius of 0 has no effect, 1 and above determine the brush " 1425 "radius configuring the size of parts copied in the image." 1426 msgstr "" 1427 1428 #: ../../image_editor/enhancement_tools.rst:593 1429 msgid "" 1430 "Second one is the amount of **Radius Blur** effect in percent applied on " 1431 "data cloned over the canvas. A percent of 0 has no effect, values above 0 " 1432 "represent a factor for mixing the destination color with source color this " 1433 "is done radially i.e. the inner part of the brush radius is totally from " 1434 "source and mixing with destination is done gradually till the outer part of " 1435 "the circle." 1436 msgstr "" 1437 1438 #: ../../image_editor/enhancement_tools.rst:599 1439 msgid "The Image Editor Healing Clone Tool to Remove Unwanted Artifacts" 1440 msgstr "" 1441 1442 #: ../../image_editor/enhancement_tools.rst:601 1443 msgid "" 1444 "To select the source of image to clone, press **S**, or the **Source " 1445 "selection** button from the toolbar on the top of settings view. The cursor " 1446 "will change to aim-shape, to let you decide the central source button where " 1447 "you will start cloning from." 1448 msgstr "" 1449 1450 #: ../../image_editor/enhancement_tools.rst:608 1451 msgid "" 1452 "Screencast of Image Editor Healing Clone Fixing an Artifact with Spot Tool" 1453 msgstr "" 1454 1455 #: ../../image_editor/enhancement_tools.rst:610 1456 msgid "" 1457 "The tool provide also a **Lasso** and **Polygon** selector for the healing " 1458 "clone operations. You can either press :kbd:`L` or the **Lasso selector** " 1459 "button from the toolbar on the top of settings view. The cursor will change " 1460 "to a pen shape, and you can select discrete points as you like. The polygon " 1461 "edges will be drawn, you just need to press and move your mouse to complete " 1462 "the selection form. You don’t have to draw all the region in one time. The " 1463 "polygon will close on itself if you press :kbd:`L` again." 1464 msgstr "" 1465 1466 #: ../../image_editor/enhancement_tools.rst:612 1467 msgid "" 1468 "Now only cloning inside the selected region will happens, cloning outside " 1469 "will be ignored, unless you press :kbd:`L` again or :kbd:`Esc` to deactivate " 1470 "the lasso mode. Once you do that, you can clone anywhere in the screen as " 1471 "usual. Also pressing :kbd:`Esc` while in the process of drawing the lasso " 1472 "polygon will cancel the lasso operation. Here is a screenshot of a lasso " 1473 "polygon selection, and a large portion of the image cloned inside this lasso " 1474 "portion. Of course pressing :kbd:`L` or :kbd:`Esc` again will remove the " 1475 "lasso boundary, keeping the cloned pixels in place, as expected." 1476 msgstr "" 1477 1478 #: ../../image_editor/enhancement_tools.rst:619 1479 msgid "Screencast of Image Editor Healing Clone Fixing an Area Using Lasso" 1480 msgstr "" 1481 1482 #: ../../image_editor/enhancement_tools.rst:621 1483 msgid "" 1484 "You can undo and redo using toolbar buttons from the toolbar on the top of " 1485 "settings view. Two keyboard shortcuts are assigned to the tool: :kbd:`Ctrl" 1486 "+Z` for undo and :kbd:`Ctrl+Shift+Z` for redo. You can undo and redo without " 1487 "limitation." 1488 msgstr "" 1489 1490 #: ../../image_editor/enhancement_tools.rst:626 1491 msgid "G'MIC-Qt Tool" 1492 msgstr "" 1493 1494 #: ../../image_editor/enhancement_tools.rst:628 1495 msgid "" 1496 "G'MIC-Qt is 3rd-party image editing tool provided as a plug-in. It is named " 1497 "**G'MIC** for **GREYC’s Magic for Image Computing**, `an open-source image " 1498 "processing framework <https://gmic.eu/>`_. The full list of G'MIC features " 1499 "is long and cannot be detailed here as it comes with over than 500 " 1500 "interesting functions to explore. It comes with filters for changing colors, " 1501 "creating patterns, adding artistic touches, repairing inconsistencies in " 1502 "pictures, rendering shapes, and much more. The plugin is highly " 1503 "customizable, with the ability to set favorites and even add your own " 1504 "filters." 1505 msgstr "" 1506 1507 #: ../../image_editor/enhancement_tools.rst:630 1508 msgid "" 1509 "G'MIC-Qt is not included in the digiKam source code. Rather, it is a 3rd-" 1510 "party plugin included in binary distributions of digiKam, as the Windows, " 1511 "macOS, and Linux bundles. It can be started from the :menuselection:`Enhance " 1512 "--> G'MIC-Qt` menu entry or uses the icons from Tools in Right sidebar. " 1513 "G’MIC-Qt can be used as you do with other filters, the main difference is " 1514 "that instead of opening a specific filter tab on right sidebar, it opens up " 1515 "a window where you can pick through any of the pre-defined filters." 1516 msgstr "" 1517 1518 #: ../../image_editor/enhancement_tools.rst:636 1519 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Bokeh Filter" 1520 msgstr "" 1521 1522 #: ../../image_editor/enhancement_tools.rst:638 1523 msgid "The categories of **Available filters** in the list are listed below:" 1524 msgstr "" 1525 1526 #: ../../image_editor/enhancement_tools.rst:640 1527 msgid "" 1528 "**About**: these entries are not filters, but just show different " 1529 "information about G'MIC-Qt on the settings view. The **About/Download " 1530 "External Data** entry allows to load new filter definitions via internet." 1531 msgstr "" 1532 1533 #: ../../image_editor/enhancement_tools.rst:642 1534 msgid "" 1535 "**Array and tiles**: this filter collection allows transforming photos as " 1536 "toys, puzzles, maps, and decorative shapes." 1537 msgstr "" 1538 1539 #: ../../image_editor/enhancement_tools.rst:648 1540 msgid "" 1541 "The Image Editor G'MIC-Qt Tool Running the Array-and-Tiles/Puzzle Filter" 1542 msgstr "" 1543 1544 #: ../../image_editor/enhancement_tools.rst:650 1545 msgid "" 1546 "**Artistic**: this filter collection applies great traditional effects that " 1547 "seek to transform a photograph into a drawing or painting." 1548 msgstr "" 1549 1550 #: ../../image_editor/enhancement_tools.rst:656 1551 msgid "The Image Editor G'MIC-Qt Tool Running the Artistic/Rodilius Filter" 1552 msgstr "" 1553 1554 #: ../../image_editor/enhancement_tools.rst:658 1555 msgid "" 1556 "**Black and White**: this filter collection is dedicated to processing " 1557 "images in gray-scale style, as usual to convert, process the invert to " 1558 "colorize, reduce the map, or simulate fusain drawing." 1559 msgstr "" 1560 1561 #: ../../image_editor/enhancement_tools.rst:664 1562 msgid "" 1563 "The Image Editor G'MIC-Qt Tool Running the Black-and-White/Colorize Filter" 1564 msgstr "" 1565 1566 #: ../../image_editor/enhancement_tools.rst:666 1567 msgid "" 1568 "**Colors**: this filter collection allows the user to define transformation " 1569 "functions operating in different color-spaces, apply LUTs, mix/adjust " 1570 "channels or correct tones by content analysis." 1571 msgstr "" 1572 1573 #: ../../image_editor/enhancement_tools.rst:672 1574 msgid "The Image Editor G'MIC-Qt Tool Running the Colors/Mixer-Lab Filter" 1575 msgstr "" 1576 1577 #: ../../image_editor/enhancement_tools.rst:674 1578 msgid "" 1579 "**Contours**: this filter collection applies the pixel's neighborhood local " 1580 "transformations over the whole photo." 1581 msgstr "" 1582 1583 #: ../../image_editor/enhancement_tools.rst:680 1584 msgid "The Image Editor G'MIC-Qt Tool Running the Contours/Super-Pixels Filter" 1585 msgstr "" 1586 1587 #: ../../image_editor/enhancement_tools.rst:682 1588 msgid "" 1589 "**Deformations**: this filter collection applies physical distortions to the " 1590 "photo." 1591 msgstr "" 1592 1593 #: ../../image_editor/enhancement_tools.rst:688 1594 msgid "" 1595 "The Image Editor G'MIC-Qt Tool Running the Deformations/Drop Water Filter" 1596 msgstr "" 1597 1598 #: ../../image_editor/enhancement_tools.rst:690 1599 msgid "" 1600 "**Degradations**: this filter collection reproduces photographic alterations " 1601 "such as blur, noise, grain, and lens aberrations." 1602 msgstr "" 1603 1604 #: ../../image_editor/enhancement_tools.rst:696 1605 msgid "" 1606 "The Image Editor G'MIC-Qt Tool Running the Degradations/Chromatic-" 1607 "Aberrations Filter" 1608 msgstr "" 1609 1610 #: ../../image_editor/enhancement_tools.rst:698 1611 msgid "" 1612 "**Details**: this filter collection enhances the details in your photos with " 1613 "an armada of multi-scale enhancement algorithms to bring out details and " 1614 "colors of different sizes in photos." 1615 msgstr "" 1616 1617 #: ../../image_editor/enhancement_tools.rst:704 1618 msgid "The Image Editor G'MIC-Qt Tool Running the Details/Mighty Filter" 1619 msgstr "" 1620 1621 #: ../../image_editor/enhancement_tools.rst:706 1622 msgid "" 1623 "**Frames**: one other artistic filter collection dedicated to decorating " 1624 "your photo with ornaments." 1625 msgstr "" 1626 1627 #: ../../image_editor/enhancement_tools.rst:712 1628 msgid "The Image Editor G'MIC-Qt Tool Running the Frames/Droste Filter" 1629 msgstr "" 1630 1631 #: ../../image_editor/enhancement_tools.rst:714 1632 msgid "" 1633 "**Frequencies**: this filter collection is based on Fourier Transforms " 1634 "analysis." 1635 msgstr "" 1636 1637 #: ../../image_editor/enhancement_tools.rst:720 1638 msgid "The Image Editor G'MIC-Qt Tool Running the Frequencies/Bandpass Filter" 1639 msgstr "" 1640 1641 #: ../../image_editor/enhancement_tools.rst:722 1642 msgid "" 1643 "**Layers**: this filter collection works on layers or export contents to " 1644 "separate layers. As layers are not supported by Image Editor, usage of these " 1645 "filters is limited." 1646 msgstr "" 1647 1648 #: ../../image_editor/enhancement_tools.rst:728 1649 msgid "" 1650 "The Image Editor G'MIC-Qt Tool Running the Layers/Tiles-to-Layers Filter" 1651 msgstr "" 1652 1653 #: ../../image_editor/enhancement_tools.rst:730 1654 msgid "" 1655 "**Lights and Shadows**: this filter collection allows adjustment of under-" 1656 "exposed and over-exposed contents from a photo. It's also possible to patch " 1657 "the image with a supplemental source of light." 1658 msgstr "" 1659 1660 #: ../../image_editor/enhancement_tools.rst:736 1661 msgid "" 1662 "The Image Editor G'MIC-Qt Tool Running the Lights-and-Shadows/Pop-Shadows " 1663 "Filter" 1664 msgstr "" 1665 1666 #: ../../image_editor/enhancement_tools.rst:738 1667 msgid "" 1668 "**Patterns**: this filter collection is a set of recursive image generation " 1669 "methods which can produce original and interesting geometric forms." 1670 msgstr "" 1671 1672 #: ../../image_editor/enhancement_tools.rst:744 1673 msgid "The Image Editor G'MIC-Qt Tool Running the Patterns/Halftone Filter" 1674 msgstr "" 1675 1676 #: ../../image_editor/enhancement_tools.rst:746 1677 msgid "" 1678 "**Renderings**: this filter collection superimposes generated artificial " 1679 "forms based on mathematical solutions." 1680 msgstr "" 1681 1682 #: ../../image_editor/enhancement_tools.rst:752 1683 msgid "The Image Editor G'MIC-Qt Tool Running the Rendering/Lightning Filter" 1684 msgstr "" 1685 1686 #: ../../image_editor/enhancement_tools.rst:754 1687 msgid "" 1688 "**Repair**: this filter collection includes advanced algorithms to help with " 1689 "image noise/glitch/objects/artifacts/compression removal. This kind of " 1690 "filter tries to fix very challenging problems that have occupied image-" 1691 "processing researchers for several generations." 1692 msgstr "" 1693 1694 #: ../../image_editor/enhancement_tools.rst:760 1695 msgid "" 1696 "The Image Editor G'MIC-Qt Tool Running the Repair/Denoise Filter based on " 1697 "convolutional neural networks" 1698 msgstr "" 1699 1700 #: ../../image_editor/enhancement_tools.rst:762 1701 msgid "**Sequences**: this filters collection generates animation from photos." 1702 msgstr "" 1703 1704 #: ../../image_editor/enhancement_tools.rst:768 1705 msgid "" 1706 "The Image Editor G'MIC-Qt Tool Running the Sequences/3D_Image-Object Filter" 1707 msgstr "" 1708 1709 #: ../../image_editor/enhancement_tools.rst:770 1710 msgid "" 1711 "**Silhouettes**: this filter collection superimposes forms such as animal " 1712 "finger-print, icons, nature shapes, etc." 1713 msgstr "" 1714 1715 #: ../../image_editor/enhancement_tools.rst:776 1716 msgid "" 1717 "The Image Editor G'MIC-Qt Tool Running the Silhouettes/Nature/Barnsley-Fern " 1718 "Filter" 1719 msgstr "" 1720 1721 #: ../../image_editor/enhancement_tools.rst:778 1722 msgid "**Stereoscopic 3D**: this filter collection renders photos in relief." 1723 msgstr "" 1724 1725 #: ../../image_editor/enhancement_tools.rst:784 1726 msgid "" 1727 "The Image Editor G'MIC-Qt Tool Running the Stereoscopic-3D/Stereo-Image " 1728 "Filter" 1729 msgstr "" 1730 1731 #: ../../image_editor/enhancement_tools.rst:786 1732 msgid "" 1733 "**Testing**: this filter collection groups all tools under development. Take " 1734 "care: these filters can be unstable and give weird effects." 1735 msgstr "" 1736 1737 #: ../../image_editor/enhancement_tools.rst:788 1738 msgid "" 1739 "**Various**: this filters collection groups tools which cannot be " 1740 "categorized in others collections. A G'MIC code editor can be found to " 1741 "create and test new filters." 1742 msgstr "" 1743 1744 #: ../../image_editor/enhancement_tools.rst:794 1745 msgid "The Image Editor G'MIC-Qt Tool Running the Various/Custom-Code Filter" 1746 msgstr "" 1747 1748 #: ../../image_editor/enhancement_tools.rst:796 1749 msgid "" 1750 "The default layout of G'MIC-Qt is quite simple (this can be changed in the " 1751 "G'MIC-Qt **Settings** dialog). See below the description of each pane:" 1752 msgstr "" 1753 1754 #: ../../image_editor/enhancement_tools.rst:798 1755 msgid "" 1756 "On the left, there is the preview. With some filters, the whole image is " 1757 "displayed, and with other filters it will be shown a 100% crop detail, " 1758 "depending on the kind of effect that we are going to activate." 1759 msgstr "" 1760 1761 #: ../../image_editor/enhancement_tools.rst:800 1762 msgid "" 1763 "In the middle, there is the useful search bar at the top, with a list of " 1764 "groups of effects below. Each group can be opened with a double click or by " 1765 "clicking the small arrow on the left of the name." 1766 msgstr "" 1767 1768 #: ../../image_editor/enhancement_tools.rst:802 1769 msgid "" 1770 "On the right would appear the settings of the selected filter, if we had " 1771 "selected one below, to confirm the changes, there are the **Apply** and the " 1772 "**Ok** buttons. The **Cancel** button stops all current processing and " 1773 "returns to the Image Editor." 1774 msgstr "" 1775 1776 #: ../../image_editor/enhancement_tools.rst:804 1777 msgid "" 1778 "You can search a filter using their groups, but the fastest way to find them " 1779 "is to use the **Search** bar at the top of the list. If the filter " 1780 "categories look a bit daunting, it's possible to add the most used filters " 1781 "in a favorites list and to apply a color tag using the filters tree-view " 1782 "context menu. On the bottom, the **Add Fave** button allows appending an " 1783 "entry in the first section named **Faves** on the list." 1784 msgstr "" 1785 1786 #: ../../image_editor/enhancement_tools.rst:810 1787 msgid "" 1788 "The Image Editor G'MIC-Qt Tool Filters Tree-View and the Favorites Context " 1789 "Menu" 1790 msgstr "" 1791 1792 #: ../../image_editor/enhancement_tools.rst:812 1793 msgid "For mostly all the G'MIC-Qt filters you can see these behaviors:" 1794 msgstr "" 1795 1796 #: ../../image_editor/enhancement_tools.rst:814 1797 msgid "" 1798 "When you render the filter on whole data from Image Editor by pressing " 1799 "**Apply** or **Ok** buttons, the processing time can be quite long, with " 1800 "many megapixels images. If the computer is not powerful enough, time to " 1801 "process an image can take a while. A **Progress Bar** on the bottom of the " 1802 "G'MIC-Qt dialog will indicate the computation progress." 1803 msgstr "" 1804 1805 #: ../../image_editor/enhancement_tools.rst:820 1806 msgid "The Image Editor G'MIC-Qt Tool Progress Bar" 1807 msgstr "" 1808 1809 #: ../../image_editor/enhancement_tools.rst:822 1810 msgid "" 1811 "If a filter has many parameter settings, some may not be visible; use the " 1812 "scroll bar to access more settings. Also, it's possible to enlarge the G'MIC-" 1813 "Qt dialog if necessary, or switch to **Fullscreen** with the button on the " 1814 "bottom." 1815 msgstr "" 1816 1817 #: ../../image_editor/enhancement_tools.rst:824 1818 msgid "" 1819 "Depending on the filter, some parameters can require many iterations on the " 1820 "image and increase processing time. Adjust the settings carefully, as the " 1821 "times can increase exponentially before seeing the result." 1822 msgstr "" 1823 1824 #: ../../image_editor/enhancement_tools.rst:826 1825 msgid "" 1826 "The filter preview can be adjusted to compare the results before and after " 1827 "the effect. **Preview Type** settings are available in the parameters pane." 1828 msgstr "" 1829 1830 #: ../../image_editor/enhancement_tools.rst:832 1831 msgid "" 1832 "The Image Editor G'MIC-Qt Tool Preview Type Settings From the Colors/Color-" 1833 "Blindness Filter" 1834 msgstr "" 1835 1836 #: ../../image_editor/enhancement_tools.rst:834 1837 msgid "" 1838 "The **Settings** button on the bottom left will show the G'MIC-Qt " 1839 "configuration dialog with tree tabs:" 1840 msgstr "" 1841 1842 #: ../../image_editor/enhancement_tools.rst:836 1843 msgid "" 1844 "First one is used to customize the G'MIC-Qt **Interface**, as the layout of " 1845 "the tool panes, the language to enable, the preview behavior, and the native " 1846 "dialog to use." 1847 msgstr "" 1848 1849 #: ../../image_editor/enhancement_tools.rst:842 1850 msgid "The Image Editor G'MIC-Qt Tool Settings/Interface Dialog Tab" 1851 msgstr "" 1852 1853 #: ../../image_editor/enhancement_tools.rst:844 1854 msgid "" 1855 "Second one to set up the **Filter sources**, such as where to take filter " 1856 "updates and where to store them on your computer." 1857 msgstr "" 1858 1859 #: ../../image_editor/enhancement_tools.rst:850 1860 msgid "The Image Editor G'MIC-Qt Tool Settings/Filter-Sources Dialog Tab" 1861 msgstr "" 1862 1863 #: ../../image_editor/enhancement_tools.rst:852 1864 msgid "" 1865 "The last one is to tune **Other** parameters, such as when to check for " 1866 "online updates, and the debug verbosity on the console (useful for filter " 1867 "developers)." 1868 msgstr "" 1869 1870 #: ../../image_editor/enhancement_tools.rst:858 1871 msgid "The Image Editor G'MIC-Qt Tool Settings/Other Dialog Tab" 1872 msgstr "" 1873 1874 #: ../../image_editor/enhancement_tools.rst:860 1875 msgid "" 1876 "It's suggested to explore all the available effects in G'MIC-Qt, as you can " 1877 "find interesting artistic solutions for your photo. See `this online review " 1878 "<https://jpfleury.github.io/gfo-demos/demos/fruits-400/index.html>`_ of all " 1879 "G'MIC-Qt filters for details." 1880 msgstr ""