ICIP 2006, Atlanta, GA
 

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Paper Detail

Paper:MA-P2.6
Session:Distributed Image and Video Coding - I
Time:Monday, October 9, 09:40 - 12:20
Presentation: Poster
Topic: Image & Video Coding: Distributed Source Coding
Title: DISTRIBUTED VIDEO CODING OF WYNER-ZIV FRAMES USING TURBO TRELLIS CODED MODULATION
Authors: W. A. R. J. Weerakkody; Brunel University 
 W. A. C. Fernando; Brunel University 
 A. B. B. Adikari; Brunel University 
 R. M. A. P. Rajatheva; Asian Institute of Technology 
Abstract: In this paper, we present a novel distributed video coding algorithm based on turbo trellis coded modulation (TTCM). As in the conventional turbo based Slepian-Wolf encoder, quantised information is applied to the TTCM encoder and parity bits are generated from both constituent encoders. However, TTCM symbols are not generated at the encoder since they are not sent to the decoder. Parity bits produced by the TTCM encoder are stored in a buffer and transmitted to the decoder upon request. TTCM symbols are generated at the decoder and these symbols are passed to the TTCM decoder for demodulation. Experimental results show that the proposed TTCM based codec can improve the PSNR up to 6dB at the same bit rate with less memory compared to the turbo coded distributed video codecs.