HYBRID BLOCK TRUNCATION CODING FOR COLOR IMAGE COMPRESSION

被引：0
|
作者：
Wang, Jun [1 ]
Jeung, Yeun-Cheul [1 ]
Chong, Jong-Wha [1 ]
机构：
[1] Hanyang Univ, Dept Elect & Comp Engn, Seoul 133791, South Korea
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON NETWORK INFRASTRUCTURE AND DIGITAL CONTENT, PROCEEDINGS | 2009年
关键词：
block truncation coding; color image compression; adaptive quantization coding;
D O I：
10.1109/ICNIDC.2009.5360921
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a hybrid block truncation coding (HBTC) is presented for color image compression. In the HBTC algorithm to improve the compression ratio of the basic BTC, only luminance bit-map is employed to represent the edge information of the coding block. Moreover, ail efficient previous proposed algorithm, adaptive quantization coding, (AQC), is used to compress the two representative levels further. Simulation results show that the proposed HBTC performs as well as the BTC in terms Of Subject Visual quality, and significantly improves the compression ratio of BTC from 2.88:1 to 6.00:1 with the limited performance losing about 0.66dB in PSNR.
引用
收藏
页码：779 / 782
页数：4
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