Title :
An Initial Rate Estimation Algorithm for Distributed Video Coding
Author :
Fengqin, Wang ; Zuhe, Li ; Yan, Chen ; Na, Zhang
Author_Institution :
Sch. of Comput. & Commun. Eng., Zhengzhou Univ. of Light Ind., Zhengzhou, China
Abstract :
An Initial Rate Estimation(IRE) is proposed for pixel domain Wyner-Ziv video coding scheme. The approach is first based on the Lapacian correlation model to estimate the minimum rate chunks required for the Slepian-Wolf encoded data then the encoder adjust minimal rate chunks according to the characteristic of feedback channel and temporal correlation among bitplane, and the suitable initial rate chunks would be obtain to decoder the current bitplane. Experimental results shows that this algorithm greatly reduce decoding complexity without negatively impacting the rate-distortion performance and the encoding complexity.
Keywords :
channel coding; correlation methods; decoding; rate distortion theory; video coding; IRE; Lapacian correlation model; Slepian-Wolf encoded data; bit plane; decoding complexity; distributed video coding; encoding complexity; feedback channel characteristic; initial rate estimation algorithm; minimum rate chunk estimation; pixel domain Wyner-Ziv video coding scheme; rate-distortion performance; temporal correlation; Complexity theory; Correlation; Decoding; Estimation; Laplace equations; Silicon; Video coding; Distributed Video Coding; Rate Estimation; Wyner-Ziv video Coding;
Conference_Titel :
Industrial Control and Electronics Engineering (ICICEE), 2012 International Conference on
Conference_Location :
Xi´an
Print_ISBN :
978-1-4673-1450-3
DOI :
10.1109/ICICEE.2012.105
