Title :
Error resilient transmission of H.263 coded video over mobile networks
Author :
Lu, Jianhua ; Liou, Ming L. ; Letaief, K.B. ; Chuang, Justin C I
Author_Institution :
Dept. of Electr. & Electron. Eng., Hong Kong Univ. of Sci. & Technol., Kowloon, Hong Kong
fDate :
31 May-3 Jun 1998
Abstract :
In this paper, we propose an error resilient transmission system for reliable transmission of H.263 coded video sequence over mobile networks. Both the coded video characteristics and mobile channel statistics are investigated. The error protection schemes are designed based on the best matched block codes coupled with diversity reception. A low complexity error concealment based on prediction of inter-block correlation is also introduced to effectively reconstruct the damaged image blocks caused by the residual errors. Simulations with different test video sequences under various mobile channel conditions confirm that good visual quality can be achieved by the proposed system
Keywords :
block codes; coding errors; digital radio; diversity reception; errors; fading; image reconstruction; image sequences; land mobile radio; prediction theory; radio networks; telecommunication channels; video coding; visual communication; H.263 coded video; coded video characteristics; damaged image block reconstruction; diversity reception; error protection schemes; error resilient transmission; error sensitivity; fading countermeasures; inter-block correlation prediction; low complexity error concealment; matched block codes; mobile channel conditions; mobile channel statistics; mobile networks; transmission system; video sequence; Bandwidth; Channel coding; Couplings; Decoding; Image reconstruction; Interleaved codes; Propagation losses; Source coding; System testing; Video sequences;
Conference_Titel :
Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on
Conference_Location :
Monterey, CA
Print_ISBN :
0-7803-4455-3
DOI :
10.1109/ISCAS.1998.698951
