An Adaptive Systematic Lossy Error Protection Scheme for Broadcast Applications Based on Frequency Filtering and Unequal Picture Protection
Joint Authors
Coudoux, François-Xavier
Ramon, Marie
Gazalet, Marc
Source
International Journal of Digital Multimedia Broadcasting
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2008-12-02
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Engineering Sciences and Information Technology
Telecommunications Engineering
Electronic engineering
Information Technology and Computer Science
Abstract EN
Systematic lossy error protection (SLEP) is a robust error resilient mechanism based on principles of Wyner-Ziv (WZ) coding for video transmission over error-prone networks.
In an SLEP scheme, the video bitstream is separated into two parts: a systematic part consisting of a video sequence transmitted without channel coding, and additional information consisting of a WZ supplementary stream.
This paper presents an adaptive SLEP scheme in which the WZ stream is obtained by frequency filtering in the transform domain.
Additionally, error resilience varies adaptively depending on the characteristics of compressed video.
We show that the proposed SLEP architecture achieves graceful degradation of reconstructed video quality in the presence of increasing transmission errors.
Moreover, it provides good performances in terms of error protection as well as reconstructed video quality if compared to solutions based on coarser quantization, while offering an interesting embedded scheme to apply digital video format conversion.
American Psychological Association (APA)
Ramon, Marie& Coudoux, François-Xavier& Gazalet, Marc. 2008. An Adaptive Systematic Lossy Error Protection Scheme for Broadcast Applications Based on Frequency Filtering and Unequal Picture Protection. International Journal of Digital Multimedia Broadcasting،Vol. 2009, no. 2009, pp.1-7.
https://search.emarefa.net/detail/BIM-492391
Modern Language Association (MLA)
Ramon, Marie…[et al.]. An Adaptive Systematic Lossy Error Protection Scheme for Broadcast Applications Based on Frequency Filtering and Unequal Picture Protection. International Journal of Digital Multimedia Broadcasting No. 2009 (2009), pp.1-7.
https://search.emarefa.net/detail/BIM-492391
American Medical Association (AMA)
Ramon, Marie& Coudoux, François-Xavier& Gazalet, Marc. An Adaptive Systematic Lossy Error Protection Scheme for Broadcast Applications Based on Frequency Filtering and Unequal Picture Protection. International Journal of Digital Multimedia Broadcasting. 2008. Vol. 2009, no. 2009, pp.1-7.
https://search.emarefa.net/detail/BIM-492391
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-492391