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August 2005
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2005.08.04 15:33 "Re: tiff unknown field of tag", by Steven Woody
> ICC is the International Color Consortium (http://www.color.org/) and > an ICC profile is a type of reference "lookup table" which ensures > accurate color as long as the using software also properly support ICC > profiles. It allows you to do things like print your photo to a > printer (which also has an ICC profile) and obtain accurate color. what will happen if the ICC embeded in my pic differ with the ICC in the printer? and, i also heard photographers talk about color spaces such as sRGB, which are also some kind of lookup tables. is there any relation between ICC and color space? > > 2. i noticed this file is uncompressed. so what's the benefit the lab save > > result in tiff rather than a bmp? > > While the latest BMP version supports attaching ICC profiles, many > software packages will simply fail to load the BMP entirely. TIFF is > seen as a format used by "professionals" and is well supported by > desktop publishing software. As far as the actual image goes, a > 24-bit BMP is just as good as a 24-bit TIFF. i noticed that tiff support loseless compression, in this case, i beleive that tiff will be as good as bmp up to the image quality. but if or not tiff supports loss compression? in this case, i think image quality will going down. right? -- steven woody (id: narke)