Title :
Spatial prediction in distributed video coding using Wyner-Ziv DPCM
Author :
Nayak, Jayanth ; Rath, Gagan ; Kubasov, Denis ; Guillemot, Christine
Author_Institution :
Mayachitra, Inc., Santa Barbara, CA
Abstract :
This paper deals with spatial prediction in Wyner-Ziv video coding. Coding structures that extend DPCM to the distributed coding scenario are presented. Using a high resolution approximation, the optimal prediction filters for these structures are derived. The resulting predictive coder is employed to compress the DC component of a transform based distributed video coding system. Preliminary results show rate-distortion gains compared to the case without spatial prediction.
Keywords :
approximation theory; data compression; filtering theory; image resolution; rate distortion theory; video coding; DC component compression; Wyner-Ziv DPCM; distributed video coding; high resolution approximation; optimal prediction filters; rate-distortion gains; spatial prediction; Automatic voltage control; Decoding; Discrete cosine transforms; Image reconstruction; Propagation losses; Pulse modulation; Quantization; Rate-distortion; Source coding; Video coding;
Conference_Titel :
Multimedia Signal Processing, 2008 IEEE 10th Workshop on
Conference_Location :
Cairns, Qld
Print_ISBN :
978-1-4244-2294-4
Electronic_ISBN :
978-1-4244-2295-1
DOI :
10.1109/MMSP.2008.4665095
