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520.
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sRGB, AdobeRGB and ProPhotoRGB represented by white triangles
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(itstool) path: figure/desc
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(no translation yet)
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Located in
C/color-whatisspace.page:49
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521.
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external ref='figures/color-space.png' md5='0417f11824ea39b7ab1e31193c19e207'
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_
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(itstool) path: figure/media
This is a reference to an external file such as an image or video. When
the file changes, the md5 hash will change to let you know you need to
update your localized copy. The msgstr is not used at all. Set it to
whatever you like once you have updated your copy of the file.
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external ref='figures/color-space.png' md5='0417f11824ea39b7ab1e31193c19e207'
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Translated by
leifdk
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Reviewed by
Aputsiak Niels Janussen
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Located in
C/color-whatisspace.page:51
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522.
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First, looking at sRGB, which is the smallest space and can encode the least number of colors. It is an approximation of a 10 year old CRT display, and so most modern monitors can display more colors than this. sRGB is a <em>least-common-denominator</em> standard and is used in a large number of applications (including the Internet).
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(itstool) path: page/p
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(no translation yet)
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Located in
C/color-whatisspace.page:54
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523.
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AdobeRGB is frequently used as an <em>editing space</em>. It can encode more colors than sRGB, which means you can change colors in a photograph without worrying too much that the most vivid colors are being clipped or the blacks crushed.
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(itstool) path: page/p
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(no translation yet)
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Located in
C/color-whatisspace.page:62
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524.
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ProPhoto is the largest space available and is frequently used for document archival. It can encode nearly the whole range of colors detected by the human eye, and even encode colors that the eye cannot detect!
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(itstool) path: page/p
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ProPhoto er den største plads og bruges ofte til dokument arkivering. Det kan kode næsten hele spektret af farver detekteres af det menneskelige øje, og selv indkode farver, øjet ikke kan registrere!
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Translated by
leifdk
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Reviewed by
Aputsiak Niels Janussen
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Located in
C/color-whatisspace.page:68
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525.
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Now, if ProPhoto is clearly better, why don't we use it for everything? The answer is to do with <em>quantization</em>. If you only have 8 bits (256 levels) to encode each channel, then a larger range is going to have bigger steps between each value.
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(itstool) path: page/p
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(no translation yet)
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Located in
C/color-whatisspace.page:75
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526.
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Bigger steps mean a larger error between the captured color and the stored color, and for some colors this is a big problem. It turns out that key colors, like skin colors are very important, and even small errors will make untrained viewers notice that something in a photograph looks wrong.
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(itstool) path: page/p
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(no translation yet)
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Located in
C/color-whatisspace.page:81
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527.
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Of course, using a 16 bit image is going to leave many more steps and a much smaller quantization error, but this doubles the size of each image file. Most content in existence today is 8bpp, i.e. 8 bits-per-pixel.
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(itstool) path: page/p
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(no translation yet)
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Located in
C/color-whatisspace.page:88
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528.
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Color management is a process for converting from one color space to another, where a color space can be a well known defined space like sRGB, or a custom space such as your monitor or printer profile.
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(itstool) path: page/p
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(no translation yet)
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Located in
C/color-whatisspace.page:94
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529.
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Calibrating is important if you care about the colors you display or print.
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(itstool) path: info/desc
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(no translation yet)
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Located in
C/color-why-calibrate.page:7
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