SEGMENTATION-BASED IMAGE COMPRESSION

被引：15
|
作者：
KWON, OJ [1 ]
CHELLAPPA, R [1 ]
机构：
[1] UNIV MARYLAND, CTR AUTOMAT RES, INST ADV COMP STUDIES, COLL PK, MD 20742 USA
来源：
OPTICAL ENGINEERING | 1993年 / 32卷 / 07期
关键词：
VISUAL COMMUNICATION; IMAGE CODING; IMAGE COMPRESSION; SEGMENTATION;
D O I：
10.1117/12.142477
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A segmentation-based image coding technique is described. Both uniform and textured region extraction algorithms are used for segmentation. Textured regions are reconstructed using 2-D noncausal Gaussian-Markov random field models. Uniform regions are reconstructed using polynomial expansions. An arithmetic coder is used for coding the boundaries of regions. Reasonable quality images are obtained at compression factors of 85:1.
引用
收藏
页码：1581 / 1581
页数：1
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