Context-Based Distributed Wavelet Video Coding

Author

Grangetto, Marco ; Magli, Enrico ; Olmo, Gabriella

Author_Institution

Dipt. di Elettronica, Politecnico di Torino

fYear

2005

fDate

Oct. 30 2005-Nov. 2 2005

Firstpage

1

Lastpage

4

Abstract

In this paper a novel scalable video coder, based on the principle of distributed source coding with side information is proposed. Coding scalability is achieved by means of bitplane coding in the wavelet domain. The distributed coding paradigm is applied to encode the wavelet coefficients of a given frame, by considering those of the previous frame as side information. LDPC syndrome encoding with proper context modeling of the frame correlation allowed us to significantly outperform intra coding obtained with JPEG 2000. Moreover, the proposed approach permits to perform motion compensation at the decoder side, thus opening a new perspective in the field of scalable video coding

Keywords

parity check codes; video coding; wavelet transforms; LDPC syndrome encoding; context-based distributed video coding; frame correlation; wavelet coefficient; Context modeling; Decoding; Encoding; Motion compensation; Parity check codes; Scalability; Source coding; Video coding; Wavelet coefficients; Wavelet domain;

fLanguage

English

Publisher

ieee

Conference_Titel

Multimedia Signal Processing, 2005 IEEE 7th Workshop on

Conference_Location

Shanghai

Print_ISBN

0-7803-9288-4

Electronic_ISBN

0-7803-9289-2

Type

conf

DOI

10.1109/MMSP.2005.248682

Filename

4013954