Wavelet zerotree image compression with packetization

被引：68
|
作者：
Rogers, JK [1 ]
Cosman, PC [1 ]
机构：
[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
来源：
IEEE SIGNAL PROCESSING LETTERS | 1998年 / 5卷 / 05期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/97.668942
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We describe a combined wavelet zerotree coding and packetization method that provides excellent image compression and graceful degradation against packet erasure. For example, using 53-byte packets (48-byte payload), the algorithm compresses the 512 x 512 gray-scale Lena image to 0.2 b/pixel with a peak signal-to-noise ratio (PSNR) of 32.2 dB with no packet erasure, and 26.3 dB on average for 10% packets erased.
引用
收藏
页码：105 / 107
页数：3
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