Articles

Two-layer video coding and cell-loss concealment using pyramid structures

[+] Author Affiliations
Seung Hoon Hong, Rae-Hong Park

Sogang University, Department of Electronic Engineering, Seoul 100-611, Korea

Chang Bum Lee

Electronics and Telecommunications Research Institute, New Media Service Section, Yusong, Taejeon 305-600, Korea

J. Electron. Imaging. 7(3), 548-557 (Jul 01, 1998). doi:10.1117/1.482598
History: Received May 30, 1997; Revised Oct. 6, 1997; Accepted Nov. 5, 1997
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Abstract

The channel sharing efficiency in cell-loss conditions is important during the transmission of video signals over asynchronous transfer mode networks. Several possible approaches using two-layer video coding methods have been proposed, in which video information is transmitted over the network with different levels of protection with respect to cell loss. This paper proposes a two-layer coding method using a pyramid structure, in which several realizations are presented and their performance comparison is shown. To minimize the image quality degradation by cell loss, a cell-loss concealment method using a pyramid structure is proposed and its performance is compared with that of conventional methods. © 1998 SPIE and IS&T.

© 1998 SPIE and IS&T

Topics

Video coding

Citation

Seung Hoon Hong ; Rae-Hong Park and Chang Bum Lee
"Two-layer video coding and cell-loss concealment using pyramid structures", J. Electron. Imaging. 7(3), 548-557 (Jul 01, 1998). ; http://dx.doi.org/10.1117/1.482598


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