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Optical Engineering

Error-resilient zerotree wavelet video coding
Author(s): Kwanghoon Sohn; Chulhee Lee; Jungryul Ryou; Woo-Young Jang
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Paper Abstract

We extend our previous paper, where the focus was on error- resilient zerotree wavelet image coding on noisy channels. This concept is extended to video coding using a 3-D wavelet transform. The proposed video coding system consists primarily of a 3-D wavelet transform, coding via the 3-D set-partitioning in hierarchical trees (SPIHT) algorithm, and bit partitioning followed by bit reorganization procedure. Simulation results show that the proposed coders outperform the existing error-resilient coders from the standpoint of both noise-free channels and noisy channels. In addition, we confirm that the proposed algorithm is more error-resilient than the conventional 3-D zerotree wavelet video coding techniques for various channel-error conditions as evidenced by both objective and subjective evaluations.

Paper Details

Date Published: 1 November 2001
PDF: 9 pages
Opt. Eng. 40(11) doi: 10.1117/1.1409940
Published in: Optical Engineering Volume 40, Issue 11
Show Author Affiliations
Kwanghoon Sohn, Yonsei Univ. (South Korea)
Chulhee Lee, Yonsei Univ. (South Korea)
Jungryul Ryou, Yonsei University (South Korea)
Woo-Young Jang, Yonsei Univ. (South Korea)

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