Distributed video coding with progressive significance map

被引：0

作者：

Hu, Yang ^{[1
]}

Pearlman, William A. ^{[1
]}

机构：

[1] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA

来源：

JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION | 2013年 / 24卷 / 04期

关键词：

Distributed video coding; Set partition coding; SPIHT coding; Significance map; Wavelet transform; Slepian-Wolf coding; LDPCA codes; Error resilience; COMPRESSION; EFFICIENT; INFORMATION; CODES;

D O I：

10.1016/j.jvcir.2013.02.003

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A distributed video coding (DVC) system based on wavelet transform and set partition coding (SPC) is presented in this paper. Conventionally the significance map (sig-map) of SPC is not conducive to Slepian-Wolf (SW) coding, because of the difficulty of generating a side information sig-map and the sensitivity to decoding errors. The proposed DVC system utilizes a higher structured significance map, named progressive significance map (prog-sig-map), which structures the significance information into two parts: a high-level summation significance map (sum-sig-map) and a low-level complementary significance map (comp-sig-map). This prog-sig-map alleviates the above difficulties and thus makes part of the prog-sig-map (specifically, the fixed-length-coded comp-sig-map) suitable for SW coding. Simulation results are provided showing the improved rate-distortion performance of the DVC system even with a simple system configuration. (c) 2013 Elsevier Inc. All rights reserved.

引用

页码：458 / 464

页数：7

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