Presentation 1997/4/25
A Study on the Technique to Improve Synchronization Property for Video Coding
Satoru ADACHI, Tomoyuki OHYA,
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Abstract(in English) Video transmission over error-prone mobile communication channels requires high error resilience. Coded video stream easily lose its code word synchronization with a small amount of bit error, and this causes serious degradation on its decoded video quality. We have proposed a technique to improve synchronization property based on EREC (Error Resilient Entropy Code). The EREC, however, needs to transmit its important parameters which increase redundancy of the stream and is very error sensitive. In this paper, we adopt EREC to the adaptive slice syntax of the video coding and propose a scheme to utilize EREC without the problem mentioned above. The improvement of error resilience with very small redundancy is shown by the computer simulations.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Mobile Multimedia / Video Coding / Error Resilience / Synchronization / Adaptive Slice
Paper # RCS97-1
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Committee RCS
Conference Date 1997/4/25(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on the Technique to Improve Synchronization Property for Video Coding
Sub Title (in English)
Keyword(1) Mobile Multimedia
Keyword(2) Video Coding
Keyword(3) Error Resilience
Keyword(4) Synchronization
Keyword(5) Adaptive Slice
1st Author's Name Satoru ADACHI
1st Author's Affiliation NTT Mobile Communications Network Inc. R&D Department()
2nd Author's Name Tomoyuki OHYA
2nd Author's Affiliation NTT Mobile Communications Network Inc. R&D Department
Date 1997/4/25
Paper # RCS97-1
Volume (vol) vol.97
Number (no) 31
Page pp.pp.-
#Pages 8
Date of Issue