Layer based multiple description packetized coding

Authors:
Canhui Cai;Jing Chen
Affiliations:
Institute of Information Science and Technology, Huaqiao University, Quanzhou, Fujian, China;Institute of Information Science and Technology, Huaqiao University, Quanzhou, Fujian, China
Venue:
ICIAR'05 Proceedings of the Second international conference on Image Analysis and Recognition
Year:
2005

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Abstract

A novel multiple description coding framework, called Layered Multiple Description Packetized Coding (LMDPC) is proposed in this paper. We first develop a two description coding scheme from SNR scalable layer coding, where the base layer is duplicated into both descriptions and enhancement layer was split into two parts and sent to separate descriptions, respectively. Two descriptions are then partitioned horizontally and vertically, forming row packets and column packets for transportation. Because each row packet and column packet has only limited intersection, even packets lost happen on both descriptions, the proposed algorithm still has very good error resilient ability. Experimental results have verified the performance of the proposed MDC framework.