Warning, /documentation/digikam-doc/locale/sk/LC_MESSAGES/color_management/camera_profiles.po is written in an unsupported language. File is not indexed.

0001 # translation of docs_digikam_org_color_management___camera_profiles.po to Slovak
0002 # Roman PaholĂ­k <wizzardsk@gmail.com>, 2023.
0003 msgid ""
0004 msgstr ""
0005 "Project-Id-Version: docs_digikam_org_color_management___camera_profiles\n"
0006 "Report-Msgid-Bugs-To: \n"
0007 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0008 "PO-Revision-Date: 2023-03-19 10:12+0100\n"
0009 "Last-Translator: Roman Paholik <wizzardsk@gmail.com>\n"
0010 "Language-Team: Slovak <kde-sk@linux.sk>\n"
0011 "Language: sk\n"
0012 "MIME-Version: 1.0\n"
0013 "Content-Type: text/plain; charset=UTF-8\n"
0014 "Content-Transfer-Encoding: 8bit\n"
0015 "X-Generator: Lokalize 22.12.3\n"
0016 "Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
0017 
0018 #: ../../color_management/camera_profiles.rst:1
0019 msgid "Color Management and Camera Profiles"
0020 msgstr ""
0021 
0022 #: ../../color_management/camera_profiles.rst:1
0023 msgid ""
0024 "digiKam, documentation, user manual, photo management, open source, free, "
0025 "learn, easy, image editor, color management, icc, profile, camera"
0026 msgstr ""
0027 
0028 #: ../../color_management/camera_profiles.rst:14
0029 msgid "The Camera Profiles"
0030 msgstr "Profily fotoaparátu"
0031 
0032 #: ../../color_management/camera_profiles.rst:17
0033 msgid "Using Camera Profile"
0034 msgstr ""
0035 
0036 #: ../../color_management/camera_profiles.rst:19
0037 msgid ""
0038 "Many excellent professional and amateur photographers save all their images "
0039 "as in-camera JPEGs and work exclusively in the sRGB color space. But if you "
0040 "want to work in a larger color space, or if you want to work with RAW files "
0041 "(even if you output sRGB image files from your RAW files), read on."
0042 msgstr ""
0043 
0044 #: ../../color_management/camera_profiles.rst:21
0045 msgid ""
0046 "If you are reading this manual you probably are shooting RAW images with a "
0047 "digital dSLR and you are hoping that somewhere in the arcane waters of color "
0048 "management lies the answer to how to get a nice picture from your RAW image "
0049 "file. The next thing you need is the right camera profile for developing "
0050 "your RAW image. But first let's answer the question you really might have "
0051 "been asking."
0052 msgstr ""
0053 
0054 #: ../../color_management/camera_profiles.rst:27
0055 msgid "digiKam RAW Preview Using **Embedded JPEG Image**."
0056 msgstr ""
0057 
0058 #: ../../color_management/camera_profiles.rst:33
0059 msgid ""
0060 "digiKam RAW Preview Using an Half Sized Demosaiced in 8 bits and "
0061 "**Bilinear** Method."
0062 msgstr ""
0063 
0064 #: ../../color_management/camera_profiles.rst:39
0065 msgid ""
0066 "digiKam RAW Import Tool from Image Editor Loading RAW file Demosaiced in 16-"
0067 "bit and **AHD** method."
0068 msgstr ""
0069 
0070 #: ../../color_management/camera_profiles.rst:41
0071 msgid ""
0072 "Why doesn't the image produced by RAW converters like `Libraw <https://www."
0073 "libraw.org/>`_ look like the embedded preview displayed by digiKam? All "
0074 "digital camera images start out as RAW files, whether or not the camera "
0075 "allows the user the option to save the image as a RAW file. When you ask the "
0076 "camera to save JPEGs instead of RAW files, the camera uses its on-board "
0077 "processor to convert the RAW file to a JPEG. That embedded preview is what "
0078 "your final image would have looked like if you had set your camera to save "
0079 "JPEGs instead of RAW files."
0080 msgstr ""
0081 
0082 #: ../../color_management/camera_profiles.rst:43
0083 msgid ""
0084 "Canon for example offers the user several picture styles - neutral, "
0085 "standard, portrait, landscape, and so forth - that determine what kind of "
0086 "processing will be done to the RAW image file to produce the final image, "
0087 "whether or not the processing is done *in-camera* or later, using the "
0088 "proprietary Canon software. This processing software does give the user "
0089 "additional control, but still manipulates the RAW image file in accordance "
0090 "with the chosen picture style. Most of the Canon picture styles add a heavy "
0091 "S-curve and extra color saturation to give the picture more *pop*. Even if "
0092 "you choose the *neutral* picture style (the Canon picture style that gives "
0093 "you the least modified tonality); and select *less contrast*, *less "
0094 "saturation*, *no noise reduction*, and *no sharpening* in the Cannon RAW "
0095 "development software, you will find, if you know what to look for, that an S-"
0096 "curve and also shadow de-noising has been applied to your image."
0097 msgstr ""
0098 
0099 #: ../../color_management/camera_profiles.rst:45
0100 msgid ""
0101 "Libraw which digiKam uses to convert RAW files to image files doesn't add an "
0102 "S-curve to your image tonality. Libraw gives you the lights and darks that "
0103 "are actually recorded by the camera sensor. Libraw is one of only a handful "
0104 "of RAW developers that actually gives you the *scene-referred* tonality. And "
0105 "the Libraw scene-referred image is flat-looking, because the camera sensor "
0106 "records light linearly, whereas our eyes are constantly interacting with our "
0107 "brain to accommodate dim and bright areas in a scene, meaning our brain to "
0108 "some extent *applies an S-curve* to the scene to enable us to better focus "
0109 "in on the areas of particular interest as we look around."
0110 msgstr ""
0111 
0112 #: ../../color_management/camera_profiles.rst:47
0113 msgid ""
0114 "The embedded JPEG preview looks so much nicer than Libraw's output. What is "
0115 "the value in scene-referred tonality? When you take a picture, presumably "
0116 "you have an idea of what you want the final image to look like. It is much "
0117 "easier to achieve that final image if you don't have to *undo* stuff that "
0118 "has already been done to your image. Once Canon (or Nikon, or Sony, etc.) "
0119 "has applied their proprietary S-curves and shadow de-noising, sharpening, "
0120 "etc. to your image, then your shadows, highlights, edge detail, etc. are "
0121 "already squashed, clipped, chopped, and otherwise altered and mangled. "
0122 "You've thrown information away and you cannot get it back. Especially in the "
0123 "shadows, even with 16-bit images (actually, 12- or 14-bits, depending on the "
0124 "camera, but it's encoded as 16-bits for the computer's convenience), there "
0125 "just isn't that much information to begin with."
0126 msgstr ""
0127 
0128 #: ../../color_management/camera_profiles.rst:53
0129 msgid ""
0130 "digiKam Raw Import Tool from Image Editor Allows to Post Process Exposures "
0131 "and Curves just After the Demosaicing."
0132 msgstr ""
0133 
0134 #: ../../color_management/camera_profiles.rst:55
0135 msgid ""
0136 "It seems to me that the heart and soul of image processing is the deliberate "
0137 "manipulation of image tonality, color, selective sharpening, and so forth, "
0138 "such that the viewer focuses in on what you, the photographer, found of "
0139 "particular interest when you took the picture. Why give the art of image "
0140 "processing over to some proprietary RAW processing software? In other words, "
0141 "*flat is good* if you'd rather give your images your own artistic "
0142 "interpretation. The alternative is to let the canned, proprietary algorithms "
0143 "produced by Canon, Nikon, Sony, etc. interpret your images for you. On the "
0144 "other hand, there is no denying that for many images, those canned "
0145 "algorithms are really pretty good."
0146 msgstr ""
0147 
0148 #: ../../color_management/camera_profiles.rst:57
0149 msgid ""
0150 "You can see the value in starting my image-editing with a scene-referred "
0151 "rendition instead of the eye-popping rendition that you see in the embedded "
0152 "JPEG. But the images produced by digiKam and Libraw look a little bit "
0153 "different. If the image looks very dark, then you asked Libraw to output a "
0154 "16-bit file and you have run into a problem with Libraw not applying a gamma "
0155 "transform before outputting the image file. You can use the Image Editor to "
0156 "apply the appropriate gamma transform to the image file produced by Libraw. "
0157 "Or you can find or make a camera profile with a gamma of 1."
0158 msgstr ""
0159 
0160 #: ../../color_management/camera_profiles.rst:59
0161 msgid ""
0162 "If your image has pink highlights, check your **White Balance** settings in "
0163 "the RAW Import tool, especially the **highlights** options."
0164 msgstr ""
0165 
0166 #: ../../color_management/camera_profiles.rst:65
0167 msgid ""
0168 "digiKam Raw Import Tool from Image Editor Allows to Tune Many Options about "
0169 "the Camera Colorimetric Values."
0170 msgstr ""
0171 
0172 #: ../../color_management/camera_profiles.rst:67
0173 msgid ""
0174 "If the image isn't dark but it looks really weird, probably you made some "
0175 "injudicious choices in the Raw Import user-interface from Image Editor. The "
0176 "Libraw interface conveniently allows you to *dial in* options. However, "
0177 "convenience always comes at a price. First, the interface might not provide "
0178 "access to all the options. And second, to get the most from the Libraw "
0179 "interface, you have to know what the buttons, sliders, etc. in the interface "
0180 "actually do."
0181 msgstr ""
0182 
0183 #: ../../color_management/camera_profiles.rst:70
0184 msgid "Camera Profile Specificity"
0185 msgstr ""
0186 
0187 #: ../../color_management/camera_profiles.rst:72
0188 msgid ""
0189 "Why are the Canon and Nikon colors better than the colors produced by "
0190 "Libraw? Color rendition is one place where the Canon (and presumably Nikon) "
0191 "proprietary RAW developing software does a really good job."
0192 msgstr ""
0193 
0194 #: ../../color_management/camera_profiles.rst:74
0195 msgid ""
0196 "The proprietary RAW processing software is coupled with camera profiles that "
0197 "are specific to RAW images coming from your make and model of camera, when "
0198 "processed using your make and model camera's proprietary RAW processing "
0199 "software. With digikam's Libraw user interface, you can apply Canon's camera "
0200 "model picture style specific color profile to the Libraw output during the "
0201 "RAW development process, and the colors will still not be exactly the same "
0202 "as what Canon produces."
0203 msgstr ""
0204 
0205 #: ../../color_management/camera_profiles.rst:76
0206 msgid ""
0207 "Digital cameras have an array of millions of little light sensors inside, "
0208 "making up either a CCD or a CMOS chip. These light-sensing pixels are color-"
0209 "blind - they only record the amount, not the color, of light falling on "
0210 "them. So to allow pixels to record color information, each pixel is capped "
0211 "by a transparent red, green, or blue lens, usually alternating in what is "
0212 "called a Bayer array (except for Sigma Faveon sensors, which work "
0213 "differently). A RAW image is nothing more than an array of values indicating "
0214 "*how much light* passed through the red, blue, or green lens cap to reach "
0215 "the sensor."
0216 msgstr ""
0217 
0218 #: ../../color_management/camera_profiles.rst:78
0219 msgid ""
0220 "Clearly, pixel response to light is the result of lots of camera specific "
0221 "factors including: the nature of the sensor array itself, the precise "
0222 "coloring/transmissive qualities of the lens caps, and the particular analog "
0223 "to digital conversion and post-conversion processing that happens inside the "
0224 "camera to produce the RAW image that gets stored on the card."
0225 msgstr ""
0226 
0227 #: ../../color_management/camera_profiles.rst:81
0228 msgid "Analog to Digital Conversion"
0229 msgstr ""
0230 
0231 #: ../../color_management/camera_profiles.rst:83
0232 msgid ""
0233 "*Analog* means continuously varying, like how much water you can put in a "
0234 "glass. *Digitizing* an analog signal means that the continuously changing "
0235 "levels from the analog signal source are *rounded* to discrete quantities "
0236 "convenient to the binary numbers used by computers. The analog to digital "
0237 "conversion that takes place inside the camera is necessary because the light-"
0238 "sensing pixels are analog in nature - they collect a charge proportionate to "
0239 "the amount of light that reaches them."
0240 msgstr ""
0241 
0242 #: ../../color_management/camera_profiles.rst:85
0243 msgid ""
0244 "The accumulated charge on each pixel is then turned into a discrete, digital "
0245 "quantity by the camera's analog to digital converter. Which by the way "
0246 "explains why a 14-bit converter is better than a 12-bit converter - more "
0247 "precision in the conversion output means less information is thrown away in "
0248 "the conversion process."
0249 msgstr ""
0250 
0251 #: ../../color_management/camera_profiles.rst:87
0252 msgid ""
0253 "Especially in pictures taken with low light conditions, a noise is "
0254 "integrated while the analog to digital conversion. digiKam and Libraw "
0255 "interface provides a **Noise Reduction** correction based on wavelets which "
0256 "can be applied while demosaicing."
0257 msgstr ""
0258 
0259 #: ../../color_management/camera_profiles.rst:93
0260 msgid ""
0261 "digiKam Raw Import Tool from Image Editor Allows Wavelets Noise Reduction "
0262 "While Demosaicing."
0263 msgstr ""
0264 
0265 #: ../../color_management/camera_profiles.rst:96
0266 msgid "Camera Profile and RAW Treatment"
0267 msgstr ""
0268 
0269 #: ../../color_management/camera_profiles.rst:98
0270 msgid ""
0271 "The whole point of interpolation using demosaicing algorithms such as "
0272 "`Libraw <https://www.libraw.org/>`_'s default AHD is to guess what color and "
0273 "intensity of light actually fell on any given pixel by interpolating "
0274 "information gathered from that single pixel plus its neighboring pixels. "
0275 "Every RAW processing program makes additional assumptions such as when is it "
0276 "signal and when is it background noise, or at what point has the sensor well "
0277 "reached full saturation. The resulting output of all these algorithms and "
0278 "assumptions that RAW processing software makes is a trio of RGB values for "
0279 "each pixel in the image. Given the same RAW file, different RAW processors "
0280 "will output different RGB values."
0281 msgstr ""
0282 
0283 #: ../../color_management/camera_profiles.rst:104
0284 msgid ""
0285 "digiKam Raw Import Tool from Image Editor Allow to Tune the Color Profile to "
0286 "Apply While Demosaicing."
0287 msgstr ""
0288 
0289 #: ../../color_management/camera_profiles.rst:107
0290 msgid "Generic Camera Profile"
0291 msgstr ""
0292 
0293 #: ../../color_management/camera_profiles.rst:109
0294 msgid ""
0295 "This website section has information on where to find ready-made camera "
0296 "profiles. If you poke around the digiKam users forum archives, you'll find "
0297 "additional advice. If you keep hunting and experimenting, likely you will "
0298 "find a generic profile that works *well enough*. However, as stated above, "
0299 "it's an unfortunate fact of digital imaging that the camera profiles "
0300 "supplied by Canon, Nikon, and the like don't work as well with RAW "
0301 "converters other than each camera manufacturer's own proprietary RAW "
0302 "converter. Which is why proprietary programs, have to make their own "
0303 "profiles for all the cameras that they support. So eventually you may decide "
0304 "that you want a camera profile that is specific to your camera, your "
0305 "lighting conditions, and your RAW processing workflow."
0306 msgstr ""
0307 
0308 #: ../../color_management/camera_profiles.rst:115
0309 msgid "The Draft of Color Management Logic While a RAW Workflow Processing."
0310 msgstr ""
0311 
0312 #: ../../color_management/camera_profiles.rst:118
0313 msgid "Lighting Conditions and RAW Workflow"
0314 msgstr ""
0315 
0316 #: ../../color_management/camera_profiles.rst:120
0317 msgid ""
0318 "Many commercial services provide profiling services, for a fee, of course. "
0319 "Or you can use `Argyll <http://www.argyllcms.com/>`_ to profile your camera "
0320 "yourself. If you want to profile your own camera, you will need an `IT8 "
0321 "target <https://en.wikipedia.org/wiki/IT8#Targets>`_, that is, an image "
0322 "containing squares of known colors. Along with the IT8 target, you will "
0323 "receive the appropriate set of known values for each square of color on the "
0324 "target."
0325 msgstr ""
0326 
0327 #: ../../color_management/camera_profiles.rst:122
0328 msgid ""
0329 "If you plan to use Argyll to profile your camera, check the documentation "
0330 "for a list of recommended targets. To profile your camera, you photograph "
0331 "the IT8 target under specified lighting conditions (for example, in "
0332 "daylight, usually taken to mean noon on a sunny day in the summer, with "
0333 "nothing nearby that might cast shadows or reflect color casts) and save the "
0334 "image as a RAW file. Then you process the RAW file using your particular RAW "
0335 "processing software+settings and run the resulting image file through the "
0336 "profiling software. The profiling software compares the RGB values in the "
0337 "image produced by your camera+lighting conditions+RAW processing routine "
0338 "with the RGB values in the original target and then produces your camera "
0339 "(icc) profile."
0340 msgstr ""
0341 
0342 #: ../../color_management/camera_profiles.rst:124
0343 msgid ""
0344 "Profiling a camera is exactly analogous to profiling a monitor. When "
0345 "profiling a monitor, the profiling software tells the graphics card to send "
0346 "squares of color with particular RGB values to the screen. The "
0347 "spectrophotometer measures the actual color that is produced on the screen. "
0348 "When profiling a camera, the known colors are the RGB colors in the original "
0349 "patches on the IT8 target, which the profiling software compares to the "
0350 "colors produced by the digital image of the target, which was photographed "
0351 "in selected lighting conditions, saved as RAW, then processed with specific "
0352 "RAW processing software plus settings."
0353 msgstr ""
0354 
0355 #: ../../color_management/camera_profiles.rst:126
0356 msgid ""
0357 "How to apply a camera profile to the 16-bit image file produced by my open "
0358 "source RAW processing software? If you are using the `Libraw <https://www."
0359 "libraw.org/>`_ interface from digiKam, here is how to tell digiKam which "
0360 "camera profile to use."
0361 msgstr ""
0362 
0363 #: ../../color_management/camera_profiles.rst:132
0364 msgid ""
0365 "The digiKam Batch Queue Manager Raw Converter has also the Same Noise "
0366 "Reduction and Color Profiles Options than Image Editor"
0367 msgstr ""
0368 
0369 #: ../../color_management/camera_profiles.rst:135
0370 msgid "Profiles Point to Real Colors"
0371 msgstr ""
0372 
0373 #: ../../color_management/camera_profiles.rst:137
0374 msgid ""
0375 "A color profile describes the color gamut of the device or space to which it "
0376 "belongs by specifying what real color in the real world corresponds to each "
0377 "trio of RGB values in the color space of the device (camera, monitor, "
0378 "printer) or working space."
0379 msgstr ""
0380 
0381 #: ../../color_management/camera_profiles.rst:139
0382 msgid ""
0383 "With a camera profile, for every RGB trio of values associated with every "
0384 "pixel in the image file produced from the RAW file by the RAW processing "
0385 "software, this RGB image file trio corresponds to real color as seen by a "
0386 "real observer in the real world (or rather, as displayed on the IT8 target "
0387 "if you produced your own camera profile, but it amounts to the same thing - "
0388 "the goal of profiling your camera is to make the picture of the target look "
0389 "like the target)."
0390 msgstr ""
0391 
0392 #: ../../color_management/camera_profiles.rst:141
0393 msgid ""
0394 "You cannot see an image by looking at its RGB values. Rather you see an "
0395 "image by displaying it on a monitor or by printing it. When you profile your "
0396 "monitor, you produce a monitor profile which RGB trio of values that the "
0397 "graphics card sends to the screen will produce on the screen with real color "
0398 "as seen by a real observer in the real world."
0399 msgstr ""
0400 
0401 #: ../../color_management/camera_profiles.rst:143
0402 msgid ""
0403 "What the monitor profile and the camera profile have in common is the part "
0404 "about that real color as seen by a real observer in the real world. "
0405 "Different trios of RGB numbers in, respectively, the monitor and camera "
0406 "color spaces point to the same real, visible color in the real world. Real "
0407 "colors in the real world provide the reference point for translating between "
0408 "all the color profiles your image will ever encounter on its way from camera "
0409 "to screen to editing program to print or the web."
0410 msgstr ""
0411 
0412 #: ../../color_management/camera_profiles.rst:145
0413 msgid ""
0414 "Real people don't even see the same colors when they look at the world, do "
0415 "they? A long time ago (1931, although refinements continue to be made), the "
0416 "International Color Consortium decided to map out and mathematically "
0417 "describe all the colors visible to real people in the real world. So they "
0418 "showed a whole bunch of people a whole bunch of colors and asked them to say "
0419 "when this color matched that color, where the two visually matching colors "
0420 "were in fact produced by differing combinations of wavelengths. What was the "
0421 "value of such a strange procedure? Human color perception depends on the "
0422 "fact that we have three types of cone receptors with peak sensitivity to "
0423 "light at wavelengths of approximately 430, 540, and 570 nm, but with "
0424 "considerable overlap in sensitivity between the different cone types. One "
0425 "consequence of how we see color is that many different combinations of "
0426 "differing wavelengths of light will look like the same color."
0427 msgstr ""
0428 
0429 #: ../../color_management/camera_profiles.rst:147
0430 msgid ""
0431 "The ICC produced the `CIE-XYZ color space <https://en.wikipedia.org/wiki/"
0432 "CIE_1931_color_space>`_ s which mathematically describes and models all the "
0433 "`colors visible to an ideal human <https://en.wikipedia.org/wiki/"
0434 "Color_vision>`_ observer (*ideal* in the sense of modeling the tested "
0435 "responses of lots of individual humans). This color space is not a color "
0436 "profile in the normal sense of the word. Rather it provides an absolute "
0437 "**Profile Connecting Space** (PCS) for translating color RGB values from one "
0438 "color space to another."
0439 msgstr ""
0440 
0441 #: ../../color_management/camera_profiles.rst:149
0442 msgid ""
0443 "CIE-XYZ is not the only Profile Connection Space. Another commonly used "
0444 "Profile Connection Space is `CIE-Lab <https://en.wikipedia.org/wiki/"
0445 "Lab_color_space>`_, which is mathematically derived from the CIE-XYZ space. "
0446 "CIE-Lab is intended to be **perceptually uniform**, meaning a change of the "
0447 "same amount in a color value should produce a change of about the same "
0448 "visual importance."
0449 msgstr ""
0450 
0451 #: ../../color_management/camera_profiles.rst:151
0452 msgid ""
0453 "The three coordinates of CIE-Lab represent the lightness of the color (**L = "
0454 "0** yields black and **L = 100** indicates diffuse white; specular white may "
0455 "be higher), its position between red/magenta and green (**a**, negative "
0456 "values indicate green while positive values indicate magenta) and its "
0457 "position between yellow and blue (**b**, negative values indicate blue and "
0458 "positive values indicate yellow)."
0459 msgstr ""
0460 
0461 #: ../../color_management/camera_profiles.rst:153
0462 msgid ""
0463 "To be useful, color profiles need to be coupled with software that performs "
0464 "the translation from one color space to another via the Profile Connection "
0465 "Space. In digiKam, translation from one color space to another usually is "
0466 "done by `Lcms <https://www.littlecms.com/>`_, the **Little Color Management "
0467 "Software**."
0468 msgstr ""