Distributed video coding with progressive significance map

Yang Hu; William A. Pearlman

doi:10.1117/12.906739

15 February 2012 Distributed video coding with progressive significance map

Yang Hu, William A. Pearlman

Proceedings Volume 8305, Visual Information Processing and Communication III; 830507 (2012) https://doi.org/10.1117/12.906739
Event: IS&T/SPIE Electronic Imaging, 2012, Burlingame, California, United States

Abstract

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.

Citation Download Citation

Yang Hu and William A. Pearlman "Distributed video coding with progressive significance map", Proc. SPIE 8305, Visual Information Processing and Communication III, 830507 (15 February 2012); https://doi.org/10.1117/12.906739

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