Robust image compression with packetization: The JPEG-2000 case

被引：0
|
作者：
Moccagatta, I [1 ]
Al-Shaykh, O [1 ]
Chen, H [1 ]
机构：
[1] Rockwell Int Corp, Ctr Sci, Informat Technol Funct, Signal Proc & Multimedia Syst Lab, Thousand Oaks, CA 91360 USA
来源：
VISUAL COMMUNICATIONS AND IMAGE PROCESSING '99, PARTS 1-2 | 1998年 / 3653卷
关键词：
image compression; error robust coding; JPEG-2000; wavelet; data packetization;
D O I：
10.1117/12.334715
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：
Multimedia applications running over wireless or other error prone transmission media require compression algorithms that are resilient to channel degradation. This paper presented a data packetization approach to make the emerging ISO JPEG-2000 image compression standard resilient to transmission errors. The proposed technique can be easily extended to other wavelet-based image codec schemes. Extensive simulation results shown that, with the proposed approach, a decoder is able to recover up to 8.5 dB in PSNR with a minimum overhead, and without affecting coding efficiency and spatial/quality scalability. Finally, the proposed approach supports unequal error protection of the wavelet subbands.
引用
收藏
页码：645 / 656
页数：6
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