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Luminous Landscape Forum > Raw & Post Processing, Printing > Colour Management > Profile File Sizes - Why so Different?
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Author Topic: Profile File Sizes - Why so Different?  (Read 312 times)
dmerger
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« on: January 26, 2013, 02:17:44 PM »
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I have about 50 profiles installed on my PC.  Some are .icc, some .icm, and a few other types. The file sizes range from 1KB to 1,637KB.  Why such a big difference?
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Dean Erger
Schewe
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« Reply #1 on: January 26, 2013, 03:06:04 PM »
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Color space profiles like Adobe RGB are quite small. Output profiles–depending on how there are made can be larger because they must contain multiple rendering intents and by-directional tables. Input profiles (scanners, cameras) are smaller although not as small as color space profiles. This is normal and to be expected...
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dmerger
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« Reply #2 on: January 26, 2013, 04:05:07 PM »
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That’s exacting what I’m seeing.  Thanks. 
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Dean Erger
Scott Martin
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« Reply #3 on: January 26, 2013, 06:32:19 PM »
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There are simple matrix based profiles that contain just a few data points and then there are table based profiles that contain a bunch of tables full of data that more precisely define the irregular characteristics of a device and how conversions are to be handled for each intent. Table based profiles can be made in various resolutions (larger or smaller tables) which also effects file size...
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Scott Martin
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