Labels:book | bulletin board | crt screen | monitor | poster | reckoner | sky | windowpane OCR: TIFF 5.0 Appendices Appendix Data Compression- Scheme LZW Compression Abstract describer an adaptive compression scheme for raster irmages Reference Terry A Welch, "A Tcchniquc q8!H rO] Ferformance Data Comtression IEEE Computer, vOl.17 nv. 6(Juie 1984} Deseribes the basic Lempel. l-Ziy Welch {LZW} algorithm. The author's goal l in the aruicle to describe a hardwart -based compressor that could be buil inlo disk cor troller or datebase engine, and used lon allt lypxs of data There specific of raster images Ve intend give sulficient infomation in this Appxendix so that the articic reading. Reguirements corapression scheme with the following characteristics should work well in a a deskop pubiishing Must well for images of any bit depth, including images deeper than 8bits pCI sampie. Mus de e ...
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