December 2002
Intermediate to advanced
454 pages
25h 39m
English
Content preview from Lossless Compression Handbook
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374 PART IV / STANDARDS
pixel depth. 1 This has clear advantages in terms of creating a clean architecture and simpler, less
error-prone implementations, but it does come at a cost. For example, one could imagine that
a particular compression scheme might be particularly well suited to palette images but not to
grayscale or RGB. For black-and-white images (i.e., 1-bit grayscale), there is no question that
both Group 4 facsimile compression and the JBIG algorithm are much better than PNG, but they
can be used on deeper images only through the awkward expedient of applying them to individual
bit-planesmi.e., 24 times per image in
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