Optimized Bit Allocation Scheme for Joint Source and Channel Coding
We present an optimized joint source and channel bit allocation approach for achieving better video constructed quality subject to a given bits consumption, by exploiting data partitioning and LDPC. We assign different bits of forward error correction to data partition with different priority by jointly considering the source and channel distortion with hill climbing search algorithm. Simulation results demonstrate that the proposed scheme achieves excellent tradeoff between video delivery quality and bit consumption and yields significant PSNR improvement.
Yongfang Wang Zhaoyang Zhang
School of Communication and Information Engineering, Shanghai University, Shanghai, 200072, China Key Laboratory of Advanced Display and System Application, Ministry of Education, Shanghai 200072, China
国际会议
2008 International Conference on Audio，Language and Image Processing(2008国际声音、语言、图像过程大会)
镇江
英文
1502-1506
2008-07-07（万方平台首次上网日期，不代表论文的发表时间）