A comparison of five popular lossless image compressors

被引:0
作者
Goodman, T [1 ]
Drukarev, A [1 ]
Langdon, GG [1 ]
机构
[1] Univ Calif Santa Cruz, Dept Comp Engn, Santa Cruz, CA 95064 USA
来源
VISUAL COMMUNICATIONS AND IMAGE PROCESSING '98, PTS 1 AND 2 | 1997年 / 3309卷
关键词
lossless image compression; LZW; GIF; PNG; JPEG-LS; palette; color map;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Many choices are available for lossless image compression. Each technique offers different tradeoffs between compression ratios, execution speeds, and flexibility. Performance tradeoffs typically depend on user-specified scaling parameters, and on the type of image. This investigation focuses an five well-established methods for performing lossless image compression: "deflate" compression (used in many compression utilities), Lempel-Ziv-Welch (LZW, also used in many utilities), Graphic Interchange Format (GIF), Portable Network Graphic format (PNG), and baseline JPEG-LS. Several classes of imagery are covered, and the merits of three color-mapping techniques are examined.
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页码:722 / 730
页数:9
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