Title :
Robust video transmission over error-prone channels via error correcting arithmetic codes
Author :
Grangetto, Marco ; Magli, Enrico ; Olmo, Gabriella
Author_Institution :
Dipt. di Elettronica, Center for Multimedia Radio Commun., Turin, Italy
Abstract :
We propose arithmetic codes (ACs) with a forbidden symbol as a joint entropy coding and error protection tool for robust video transmission over error-prone channels. In particular, we introduce a MAP decoder of ACs, and apply it to the transmission of 3-D SPIHT coded video and RTP/UDP/IP H.264 video with data partitioning. Experimental results show that the proposed system exhibits several advantages with respect to other schemes, and outperforms rate-compatible punctured convolutional (RCPC) codes in the applications considered.
Keywords :
arithmetic codes; convolutional codes; entropy codes; error correction codes; maximum likelihood decoding; video coding; visual communication; 3-D SPIHT coded video; MAP decoder; data partitioning video; error correcting arithmetic code; error protection tool; error-prone channel; forbidden symbol; joint entropy coding; rate-compatible punctured convolutional code; robust video transmission; Arithmetic; Convolutional codes; Decoding; Entropy coding; Error correction codes; Protection; Redundancy; Robustness; Scalability; Time-varying channels;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2003.821331
