Title :
A parity-based error control method for distributed compressive video sensing
Author :
Shou-ning Chen ; Bao-yu Zheng ; Liang Zhou
Author_Institution :
Inst. of Signal Process. & Transm., Nanjing Univ. of Posts & Telecommun., Nanjing, China
Abstract :
A novel framework called distributed compressive video sensing (DCVS), combining distributed video coding (DVC) and compressive sensing (CS), directly capture the raw video data as measurements with low-complexity and low-cost process. It meets the requirements of distributed system very well, because of its resource consumption shifting from encoder to decoder. Nevertheless, the issue of measurements transmission in bit error channel has not been considered yet in the previous work of DCVS. This paper improved the existing DCVS codec scheme by adding the quantization and inverse quantization process, and proposed a parity-based error control (PEC) method. This method is simple enough, and has high coding efficiency. The proposed method is shown to increase video recovery quality greatly under binary symmetric channel.
Keywords :
compressed sensing; error correction codes; parity check codes; quantisation (signal); video coding; DCVS; binary symmetric channel; bit error channel transmission; combining distributed video coding; compressive sensing; distributed compressive video sensing; inverse quantization process; parity based error control method; video recovery quality; Bit error rate; Compressed sensing; Decoding; Encoding; Error correction; Quantization (signal); Sparse matrices; Compressive Sensing (CS); Distributed Compressive Video Sensing (DCVS); Distributed Video Coding (DVC); Parity-based Error Control (PEC);
Conference_Titel :
Signal Processing and Multimedia Applications (SIGMAP), 2013 International Conference on
Conference_Location :
Reykjavik