Title :
Improved reconstruction for distributed video coding
Author :
Hänsel, Ralph ; Müller, Erika
Author_Institution :
Inst. of Commun. Eng., Univ. of Rostock, Rostock, Germany
Abstract :
Distributed video coding (DVC) gains more and more interest in the recent decade. State-of-the-art Wyner-Ziv decoding is performed by a mandatory feedback channel. It´s mandatory for rate allocation and high reconstruction quality. The feedback channel is a handicap for real application. If no feedback channel is available the RD-performance of the system is decreased. We propose a soft reconstruction algorithm, which significantly increases the reconstruction quality if no feedback channel is available. If a feedback channel is available, the proposed soft reconstruction shows the similar performance as the best state-of-the-art reconstruction algorithm (MMSE).
Keywords :
channel allocation; least mean squares methods; video coding; MMSE; Wyner-Ziv decoding; distributed video coding; feedback channel; high reconstruction quality; minimum mean square error; rate allocation; soft reconstruction algorithm; Automatic voltage control; Codecs; Decoding; MPEG 4 Standard; Parity check codes; Reconstruction algorithms; Source coding; State feedback; Video coding; Video compression; Distributed Source Coding (DSC); Distributed Video Coding (DVC); Reconstruction;
Conference_Titel :
Ultra Modern Telecommunications & Workshops, 2009. ICUMT '09. International Conference on
Conference_Location :
St. Petersburg
Print_ISBN :
978-1-4244-3942-3
Electronic_ISBN :
978-1-4244-3941-6
DOI :
10.1109/ICUMT.2009.5345464