Am 06.02.07, 12:12 +0100 schrieb Peter Nermander: > Of course we would not have these problem if all images were using a wide > colorspace like CIE Lab or something, but if I understand right that would > mean > each pixels color would have to be described using float numbers, thus files > would grow by something like a factor of 10. So your 4 megapixel uncompressed > images would become 120 MB instead of 12 MB.
Float increases file size by factor 4 not 10. Beside other issues with CIE*Lab in ICC workflows, a 16-bit integer would be fine and is used for device independent storage. 16-bit is just doubling the file size of a uncompressed 8-bit RGB counterpart. Lab is normally compressing a bit better than RGB. kind regards Kai-Uwe Behrmann -- development for color management www.behrmann.name + www.oyranos.org + www.cinepaint.org
