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0001 # Lithuanian translations for Digikam Manual package.
0002 # Copyright (C) licensed under the  <a href="https://spdx.org/licenses/GFDL-1.2-or-later.html">licensed under the terms of the GNU Free Documentation License 1.2+</a> unless stated otherwise
0003 # This file is distributed under the same license as the Digikam Manual package.
0004 # Automatically generated, 2023.
0005 #
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0007 msgstr ""
0008 "Project-Id-Version: Digikam Manual 8.0.0\n"
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0010 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0011 "PO-Revision-Date: 2023-01-30 00:50+0000\n"
0012 "Last-Translator: Automatically generated\n"
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0014 "Language: lt\n"
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0017 "Content-Transfer-Encoding: 8bit\n"
0018 "Plural-Forms: nplurals=4; plural=(n==1 ? 0 : n%10>=2 && (n%100<10 || n"
0019 "%100>=20) ? 1 : n%10==0 || (n%100>10 && n%100<20) ? 2 : 3);\n"
0020 
0021 #: ../../color_management/camera_profiles.rst:1
0022 msgid "Color Management and Camera Profiles"
0023 msgstr ""
0024 
0025 #: ../../color_management/camera_profiles.rst:1
0026 msgid ""
0027 "digiKam, documentation, user manual, photo management, open source, free, "
0028 "learn, easy, image editor, color management, icc, profile, camera"
0029 msgstr ""
0030 
0031 #: ../../color_management/camera_profiles.rst:14
0032 msgid "The Camera Profiles"
0033 msgstr ""
0034 
0035 #: ../../color_management/camera_profiles.rst:17
0036 msgid "Using Camera Profile"
0037 msgstr ""
0038 
0039 #: ../../color_management/camera_profiles.rst:19
0040 msgid ""
0041 "Many excellent professional and amateur photographers save all their images "
0042 "as in-camera JPEGs and work exclusively in the sRGB color space. But if you "
0043 "want to work in a larger color space, or if you want to work with RAW files "
0044 "(even if you output sRGB image files from your RAW files), read on."
0045 msgstr ""
0046 
0047 #: ../../color_management/camera_profiles.rst:21
0048 msgid ""
0049 "If you are reading this manual you probably are shooting RAW images with a "
0050 "digital dSLR and you are hoping that somewhere in the arcane waters of color "
0051 "management lies the answer to how to get a nice picture from your RAW image "
0052 "file. The next thing you need is the right camera profile for developing "
0053 "your RAW image. But first let's answer the question you really might have "
0054 "been asking."
0055 msgstr ""
0056 
0057 #: ../../color_management/camera_profiles.rst:27
0058 msgid "digiKam RAW Preview Using **Embedded JPEG Image**."
0059 msgstr ""
0060 
0061 #: ../../color_management/camera_profiles.rst:33
0062 msgid ""
0063 "digiKam RAW Preview Using an Half Sized Demosaiced in 8 bits and "
0064 "**Bilinear** Method."
0065 msgstr ""
0066 
0067 #: ../../color_management/camera_profiles.rst:39
0068 msgid ""
0069 "digiKam RAW Import Tool from Image Editor Loading RAW file Demosaiced in 16-"
0070 "bit and **AHD** method."
0071 msgstr ""
0072 
0073 #: ../../color_management/camera_profiles.rst:41
0074 msgid ""
0075 "Why doesn't the image produced by RAW converters like `Libraw <https://www."
0076 "libraw.org/>`_ look like the embedded preview displayed by digiKam? All "
0077 "digital camera images start out as RAW files, whether or not the camera "
0078 "allows the user the option to save the image as a RAW file. When you ask the "
0079 "camera to save JPEGs instead of RAW files, the camera uses its on-board "
0080 "processor to convert the RAW file to a JPEG. That embedded preview is what "
0081 "your final image would have looked like if you had set your camera to save "
0082 "JPEGs instead of RAW files."
0083 msgstr ""
0084 
0085 #: ../../color_management/camera_profiles.rst:43
0086 msgid ""
0087 "Canon for example offers the user several picture styles - neutral, "
0088 "standard, portrait, landscape, and so forth - that determine what kind of "
0089 "processing will be done to the RAW image file to produce the final image, "
0090 "whether or not the processing is done *in-camera* or later, using the "
0091 "proprietary Canon software. This processing software does give the user "
0092 "additional control, but still manipulates the RAW image file in accordance "
0093 "with the chosen picture style. Most of the Canon picture styles add a heavy "
0094 "S-curve and extra color saturation to give the picture more *pop*. Even if "
0095 "you choose the *neutral* picture style (the Canon picture style that gives "
0096 "you the least modified tonality); and select *less contrast*, *less "
0097 "saturation*, *no noise reduction*, and *no sharpening* in the Cannon RAW "
0098 "development software, you will find, if you know what to look for, that an S-"
0099 "curve and also shadow de-noising has been applied to your image."
0100 msgstr ""
0101 
0102 #: ../../color_management/camera_profiles.rst:45
0103 msgid ""
0104 "Libraw which digiKam uses to convert RAW files to image files doesn't add an "
0105 "S-curve to your image tonality. Libraw gives you the lights and darks that "
0106 "are actually recorded by the camera sensor. Libraw is one of only a handful "
0107 "of RAW developers that actually gives you the *scene-referred* tonality. And "
0108 "the Libraw scene-referred image is flat-looking, because the camera sensor "
0109 "records light linearly, whereas our eyes are constantly interacting with our "
0110 "brain to accommodate dim and bright areas in a scene, meaning our brain to "
0111 "some extent *applies an S-curve* to the scene to enable us to better focus "
0112 "in on the areas of particular interest as we look around."
0113 msgstr ""
0114 
0115 #: ../../color_management/camera_profiles.rst:47
0116 msgid ""
0117 "The embedded JPEG preview looks so much nicer than Libraw's output. What is "
0118 "the value in scene-referred tonality? When you take a picture, presumably "
0119 "you have an idea of what you want the final image to look like. It is much "
0120 "easier to achieve that final image if you don't have to *undo* stuff that "
0121 "has already been done to your image. Once Canon (or Nikon, or Sony, etc.) "
0122 "has applied their proprietary S-curves and shadow de-noising, sharpening, "
0123 "etc. to your image, then your shadows, highlights, edge detail, etc. are "
0124 "already squashed, clipped, chopped, and otherwise altered and mangled. "
0125 "You've thrown information away and you cannot get it back. Especially in the "
0126 "shadows, even with 16-bit images (actually, 12- or 14-bits, depending on the "
0127 "camera, but it's encoded as 16-bits for the computer's convenience), there "
0128 "just isn't that much information to begin with."
0129 msgstr ""
0130 
0131 #: ../../color_management/camera_profiles.rst:53
0132 msgid ""
0133 "digiKam Raw Import Tool from Image Editor Allows to Post Process Exposures "
0134 "and Curves just After the Demosaicing."
0135 msgstr ""
0136 
0137 #: ../../color_management/camera_profiles.rst:55
0138 msgid ""
0139 "It seems to me that the heart and soul of image processing is the deliberate "
0140 "manipulation of image tonality, color, selective sharpening, and so forth, "
0141 "such that the viewer focuses in on what you, the photographer, found of "
0142 "particular interest when you took the picture. Why give the art of image "
0143 "processing over to some proprietary RAW processing software? In other words, "
0144 "*flat is good* if you'd rather give your images your own artistic "
0145 "interpretation. The alternative is to let the canned, proprietary algorithms "
0146 "produced by Canon, Nikon, Sony, etc. interpret your images for you. On the "
0147 "other hand, there is no denying that for many images, those canned "
0148 "algorithms are really pretty good."
0149 msgstr ""
0150 
0151 #: ../../color_management/camera_profiles.rst:57
0152 msgid ""
0153 "You can see the value in starting my image-editing with a scene-referred "
0154 "rendition instead of the eye-popping rendition that you see in the embedded "
0155 "JPEG. But the images produced by digiKam and Libraw look a little bit "
0156 "different. If the image looks very dark, then you asked Libraw to output a "
0157 "16-bit file and you have run into a problem with Libraw not applying a gamma "
0158 "transform before outputting the image file. You can use the Image Editor to "
0159 "apply the appropriate gamma transform to the image file produced by Libraw. "
0160 "Or you can find or make a camera profile with a gamma of 1."
0161 msgstr ""
0162 
0163 #: ../../color_management/camera_profiles.rst:59
0164 msgid ""
0165 "If your image has pink highlights, check your **White Balance** settings in "
0166 "the RAW Import tool, especially the **highlights** options."
0167 msgstr ""
0168 
0169 #: ../../color_management/camera_profiles.rst:65
0170 msgid ""
0171 "digiKam Raw Import Tool from Image Editor Allows to Tune Many Options about "
0172 "the Camera Colorimetric Values."
0173 msgstr ""
0174 
0175 #: ../../color_management/camera_profiles.rst:67
0176 msgid ""
0177 "If the image isn't dark but it looks really weird, probably you made some "
0178 "injudicious choices in the Raw Import user-interface from Image Editor. The "
0179 "Libraw interface conveniently allows you to *dial in* options. However, "
0180 "convenience always comes at a price. First, the interface might not provide "
0181 "access to all the options. And second, to get the most from the Libraw "
0182 "interface, you have to know what the buttons, sliders, etc. in the interface "
0183 "actually do."
0184 msgstr ""
0185 
0186 #: ../../color_management/camera_profiles.rst:70
0187 msgid "Camera Profile Specificity"
0188 msgstr ""
0189 
0190 #: ../../color_management/camera_profiles.rst:72
0191 msgid ""
0192 "Why are the Canon and Nikon colors better than the colors produced by "
0193 "Libraw? Color rendition is one place where the Canon (and presumably Nikon) "
0194 "proprietary RAW developing software does a really good job."
0195 msgstr ""
0196 
0197 #: ../../color_management/camera_profiles.rst:74
0198 msgid ""
0199 "The proprietary RAW processing software is coupled with camera profiles that "
0200 "are specific to RAW images coming from your make and model of camera, when "
0201 "processed using your make and model camera's proprietary RAW processing "
0202 "software. With digikam's Libraw user interface, you can apply Canon's camera "
0203 "model picture style specific color profile to the Libraw output during the "
0204 "RAW development process, and the colors will still not be exactly the same "
0205 "as what Canon produces."
0206 msgstr ""
0207 
0208 #: ../../color_management/camera_profiles.rst:76
0209 msgid ""
0210 "Digital cameras have an array of millions of little light sensors inside, "
0211 "making up either a CCD or a CMOS chip. These light-sensing pixels are color-"
0212 "blind - they only record the amount, not the color, of light falling on "
0213 "them. So to allow pixels to record color information, each pixel is capped "
0214 "by a transparent red, green, or blue lens, usually alternating in what is "
0215 "called a Bayer array (except for Sigma Faveon sensors, which work "
0216 "differently). A RAW image is nothing more than an array of values indicating "
0217 "*how much light* passed through the red, blue, or green lens cap to reach "
0218 "the sensor."
0219 msgstr ""
0220 
0221 #: ../../color_management/camera_profiles.rst:78
0222 msgid ""
0223 "Clearly, pixel response to light is the result of lots of camera specific "
0224 "factors including: the nature of the sensor array itself, the precise "
0225 "coloring/transmissive qualities of the lens caps, and the particular analog "
0226 "to digital conversion and post-conversion processing that happens inside the "
0227 "camera to produce the RAW image that gets stored on the card."
0228 msgstr ""
0229 
0230 #: ../../color_management/camera_profiles.rst:81
0231 msgid "Analog to Digital Conversion"
0232 msgstr ""
0233 
0234 #: ../../color_management/camera_profiles.rst:83
0235 msgid ""
0236 "*Analog* means continuously varying, like how much water you can put in a "
0237 "glass. *Digitizing* an analog signal means that the continuously changing "
0238 "levels from the analog signal source are *rounded* to discrete quantities "
0239 "convenient to the binary numbers used by computers. The analog to digital "
0240 "conversion that takes place inside the camera is necessary because the light-"
0241 "sensing pixels are analog in nature - they collect a charge proportionate to "
0242 "the amount of light that reaches them."
0243 msgstr ""
0244 
0245 #: ../../color_management/camera_profiles.rst:85
0246 msgid ""
0247 "The accumulated charge on each pixel is then turned into a discrete, digital "
0248 "quantity by the camera's analog to digital converter. Which by the way "
0249 "explains why a 14-bit converter is better than a 12-bit converter - more "
0250 "precision in the conversion output means less information is thrown away in "
0251 "the conversion process."
0252 msgstr ""
0253 
0254 #: ../../color_management/camera_profiles.rst:87
0255 msgid ""
0256 "Especially in pictures taken with low light conditions, a noise is "
0257 "integrated while the analog to digital conversion. digiKam and Libraw "
0258 "interface provides a **Noise Reduction** correction based on wavelets which "
0259 "can be applied while demosaicing."
0260 msgstr ""
0261 
0262 #: ../../color_management/camera_profiles.rst:93
0263 msgid ""
0264 "digiKam Raw Import Tool from Image Editor Allows Wavelets Noise Reduction "
0265 "While Demosaicing."
0266 msgstr ""
0267 
0268 #: ../../color_management/camera_profiles.rst:96
0269 msgid "Camera Profile and RAW Treatment"
0270 msgstr ""
0271 
0272 #: ../../color_management/camera_profiles.rst:98
0273 msgid ""
0274 "The whole point of interpolation using demosaicing algorithms such as "
0275 "`Libraw <https://www.libraw.org/>`_'s default AHD is to guess what color and "
0276 "intensity of light actually fell on any given pixel by interpolating "
0277 "information gathered from that single pixel plus its neighboring pixels. "
0278 "Every RAW processing program makes additional assumptions such as when is it "
0279 "signal and when is it background noise, or at what point has the sensor well "
0280 "reached full saturation. The resulting output of all these algorithms and "
0281 "assumptions that RAW processing software makes is a trio of RGB values for "
0282 "each pixel in the image. Given the same RAW file, different RAW processors "
0283 "will output different RGB values."
0284 msgstr ""
0285 
0286 #: ../../color_management/camera_profiles.rst:104
0287 msgid ""
0288 "digiKam Raw Import Tool from Image Editor Allow to Tune the Color Profile to "
0289 "Apply While Demosaicing."
0290 msgstr ""
0291 
0292 #: ../../color_management/camera_profiles.rst:107
0293 msgid "Generic Camera Profile"
0294 msgstr ""
0295 
0296 #: ../../color_management/camera_profiles.rst:109
0297 msgid ""
0298 "This website section has information on where to find ready-made camera "
0299 "profiles. If you poke around the digiKam users forum archives, you'll find "
0300 "additional advice. If you keep hunting and experimenting, likely you will "
0301 "find a generic profile that works *well enough*. However, as stated above, "
0302 "it's an unfortunate fact of digital imaging that the camera profiles "
0303 "supplied by Canon, Nikon, and the like don't work as well with RAW "
0304 "converters other than each camera manufacturer's own proprietary RAW "
0305 "converter. Which is why proprietary programs, have to make their own "
0306 "profiles for all the cameras that they support. So eventually you may decide "
0307 "that you want a camera profile that is specific to your camera, your "
0308 "lighting conditions, and your RAW processing workflow."
0309 msgstr ""
0310 
0311 #: ../../color_management/camera_profiles.rst:115
0312 msgid "The Draft of Color Management Logic While a RAW Workflow Processing."
0313 msgstr ""
0314 
0315 #: ../../color_management/camera_profiles.rst:118
0316 msgid "Lighting Conditions and RAW Workflow"
0317 msgstr ""
0318 
0319 #: ../../color_management/camera_profiles.rst:120
0320 msgid ""
0321 "Many commercial services provide profiling services, for a fee, of course. "
0322 "Or you can use `Argyll <http://www.argyllcms.com/>`_ to profile your camera "
0323 "yourself. If you want to profile your own camera, you will need an `IT8 "
0324 "target <https://en.wikipedia.org/wiki/IT8#Targets>`_, that is, an image "
0325 "containing squares of known colors. Along with the IT8 target, you will "
0326 "receive the appropriate set of known values for each square of color on the "
0327 "target."
0328 msgstr ""
0329 
0330 #: ../../color_management/camera_profiles.rst:122
0331 msgid ""
0332 "If you plan to use Argyll to profile your camera, check the documentation "
0333 "for a list of recommended targets. To profile your camera, you photograph "
0334 "the IT8 target under specified lighting conditions (for example, in "
0335 "daylight, usually taken to mean noon on a sunny day in the summer, with "
0336 "nothing nearby that might cast shadows or reflect color casts) and save the "
0337 "image as a RAW file. Then you process the RAW file using your particular RAW "
0338 "processing software+settings and run the resulting image file through the "
0339 "profiling software. The profiling software compares the RGB values in the "
0340 "image produced by your camera+lighting conditions+RAW processing routine "
0341 "with the RGB values in the original target and then produces your camera "
0342 "(icc) profile."
0343 msgstr ""
0344 
0345 #: ../../color_management/camera_profiles.rst:124
0346 msgid ""
0347 "Profiling a camera is exactly analogous to profiling a monitor. When "
0348 "profiling a monitor, the profiling software tells the graphics card to send "
0349 "squares of color with particular RGB values to the screen. The "
0350 "spectrophotometer measures the actual color that is produced on the screen. "
0351 "When profiling a camera, the known colors are the RGB colors in the original "
0352 "patches on the IT8 target, which the profiling software compares to the "
0353 "colors produced by the digital image of the target, which was photographed "
0354 "in selected lighting conditions, saved as RAW, then processed with specific "
0355 "RAW processing software plus settings."
0356 msgstr ""
0357 
0358 #: ../../color_management/camera_profiles.rst:126
0359 msgid ""
0360 "How to apply a camera profile to the 16-bit image file produced by my open "
0361 "source RAW processing software? If you are using the `Libraw <https://www."
0362 "libraw.org/>`_ interface from digiKam, here is how to tell digiKam which "
0363 "camera profile to use."
0364 msgstr ""
0365 
0366 #: ../../color_management/camera_profiles.rst:132
0367 msgid ""
0368 "The digiKam Batch Queue Manager Raw Converter has also the Same Noise "
0369 "Reduction and Color Profiles Options than Image Editor"
0370 msgstr ""
0371 
0372 #: ../../color_management/camera_profiles.rst:135
0373 msgid "Profiles Point to Real Colors"
0374 msgstr ""
0375 
0376 #: ../../color_management/camera_profiles.rst:137
0377 msgid ""
0378 "A color profile describes the color gamut of the device or space to which it "
0379 "belongs by specifying what real color in the real world corresponds to each "
0380 "trio of RGB values in the color space of the device (camera, monitor, "
0381 "printer) or working space."
0382 msgstr ""
0383 
0384 #: ../../color_management/camera_profiles.rst:139
0385 msgid ""
0386 "With a camera profile, for every RGB trio of values associated with every "
0387 "pixel in the image file produced from the RAW file by the RAW processing "
0388 "software, this RGB image file trio corresponds to real color as seen by a "
0389 "real observer in the real world (or rather, as displayed on the IT8 target "
0390 "if you produced your own camera profile, but it amounts to the same thing - "
0391 "the goal of profiling your camera is to make the picture of the target look "
0392 "like the target)."
0393 msgstr ""
0394 
0395 #: ../../color_management/camera_profiles.rst:141
0396 msgid ""
0397 "You cannot see an image by looking at its RGB values. Rather you see an "
0398 "image by displaying it on a monitor or by printing it. When you profile your "
0399 "monitor, you produce a monitor profile which RGB trio of values that the "
0400 "graphics card sends to the screen will produce on the screen with real color "
0401 "as seen by a real observer in the real world."
0402 msgstr ""
0403 
0404 #: ../../color_management/camera_profiles.rst:143
0405 msgid ""
0406 "What the monitor profile and the camera profile have in common is the part "
0407 "about that real color as seen by a real observer in the real world. "
0408 "Different trios of RGB numbers in, respectively, the monitor and camera "
0409 "color spaces point to the same real, visible color in the real world. Real "
0410 "colors in the real world provide the reference point for translating between "
0411 "all the color profiles your image will ever encounter on its way from camera "
0412 "to screen to editing program to print or the web."
0413 msgstr ""
0414 
0415 #: ../../color_management/camera_profiles.rst:145
0416 msgid ""
0417 "Real people don't even see the same colors when they look at the world, do "
0418 "they? A long time ago (1931, although refinements continue to be made), the "
0419 "International Color Consortium decided to map out and mathematically "
0420 "describe all the colors visible to real people in the real world. So they "
0421 "showed a whole bunch of people a whole bunch of colors and asked them to say "
0422 "when this color matched that color, where the two visually matching colors "
0423 "were in fact produced by differing combinations of wavelengths. What was the "
0424 "value of such a strange procedure? Human color perception depends on the "
0425 "fact that we have three types of cone receptors with peak sensitivity to "
0426 "light at wavelengths of approximately 430, 540, and 570 nm, but with "
0427 "considerable overlap in sensitivity between the different cone types. One "
0428 "consequence of how we see color is that many different combinations of "
0429 "differing wavelengths of light will look like the same color."
0430 msgstr ""
0431 
0432 #: ../../color_management/camera_profiles.rst:147
0433 msgid ""
0434 "The ICC produced the `CIE-XYZ color space <https://en.wikipedia.org/wiki/"
0435 "CIE_1931_color_space>`_ s which mathematically describes and models all the "
0436 "`colors visible to an ideal human <https://en.wikipedia.org/wiki/"
0437 "Color_vision>`_ observer (*ideal* in the sense of modeling the tested "
0438 "responses of lots of individual humans). This color space is not a color "
0439 "profile in the normal sense of the word. Rather it provides an absolute "
0440 "**Profile Connecting Space** (PCS) for translating color RGB values from one "
0441 "color space to another."
0442 msgstr ""
0443 
0444 #: ../../color_management/camera_profiles.rst:149
0445 msgid ""
0446 "CIE-XYZ is not the only Profile Connection Space. Another commonly used "
0447 "Profile Connection Space is `CIE-Lab <https://en.wikipedia.org/wiki/"
0448 "Lab_color_space>`_, which is mathematically derived from the CIE-XYZ space. "
0449 "CIE-Lab is intended to be **perceptually uniform**, meaning a change of the "
0450 "same amount in a color value should produce a change of about the same "
0451 "visual importance."
0452 msgstr ""
0453 
0454 #: ../../color_management/camera_profiles.rst:151
0455 msgid ""
0456 "The three coordinates of CIE-Lab represent the lightness of the color (**L = "
0457 "0** yields black and **L = 100** indicates diffuse white; specular white may "
0458 "be higher), its position between red/magenta and green (**a**, negative "
0459 "values indicate green while positive values indicate magenta) and its "
0460 "position between yellow and blue (**b**, negative values indicate blue and "
0461 "positive values indicate yellow)."
0462 msgstr ""
0463 
0464 #: ../../color_management/camera_profiles.rst:153
0465 msgid ""
0466 "To be useful, color profiles need to be coupled with software that performs "
0467 "the translation from one color space to another via the Profile Connection "
0468 "Space. In digiKam, translation from one color space to another usually is "
0469 "done by `Lcms <https://www.littlecms.com/>`_, the **Little Color Management "
0470 "Software**."
0471 msgstr ""