TY - GEN
T1 - Robust VLC sequence decoding exploiting additional video stream properties with reduced complexity
AU - Nguyen, Hang
AU - Duhamel, Pierre
AU - Brouet, Jérôme
AU - Rouffet, Denis
PY - 2004/12/1
Y1 - 2004/12/1
N2 - Joint source-channel decoding of Variable Length Codes (VLC) for image and video streaming transmission over unreliable links, such as wireless networks, is a subject of increasing interest. Paper [14] shows that much more residual source redundancy can be exploited when both types of correlation: (i) the correlation between bits inside a VLC codeword as well as (ii) the correlation between VLC codewords of a VLC sequence unit (e.g. corresponding to one image block), are taken into account. Paper [15] proposes an optimum Maximum Likelihood (ML) decoder of VLC sequences which can exploit these two kinds of correlation and outperforms the existing VLC decoders. This paper proposes a reduced complexity version of this optimal VLC decoder. Simulation results show that the complexity is reduced by 5 in terms of number of possible candidates, while the performance is only slightly sub-optimal compared with the optimal version of paper [15].
AB - Joint source-channel decoding of Variable Length Codes (VLC) for image and video streaming transmission over unreliable links, such as wireless networks, is a subject of increasing interest. Paper [14] shows that much more residual source redundancy can be exploited when both types of correlation: (i) the correlation between bits inside a VLC codeword as well as (ii) the correlation between VLC codewords of a VLC sequence unit (e.g. corresponding to one image block), are taken into account. Paper [15] proposes an optimum Maximum Likelihood (ML) decoder of VLC sequences which can exploit these two kinds of correlation and outperforms the existing VLC decoders. This paper proposes a reduced complexity version of this optimal VLC decoder. Simulation results show that the complexity is reduced by 5 in terms of number of possible candidates, while the performance is only slightly sub-optimal compared with the optimal version of paper [15].
KW - Compressed image and video decoding
KW - Joint source-channel decoding
KW - Source redundancy
KW - VLC decoding
UR - https://www.scopus.com/pages/publications/11244328188
M3 - Conference contribution
AN - SCOPUS:11244328188
SN - 0780386035
SN - 9780780386037
T3 - 2004 IEEE International Conference on Multimedia and Expo (ICME)
SP - 375
EP - 378
BT - 2004 IEEE International Conference on Multimedia and Expo (ICME)
T2 - 2004 IEEE International Conference on Multimedia and Expo (ICME)
Y2 - 27 June 2004 through 30 June 2004
ER -