Presentation 2011-06-09
Distributed Source Coding : Theorem and Its Applications
Takayuki NAKACHI,
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Abstract(in English) Distributed Source Coding (DSC) concerns encoding of correlated information sources, without letting the sources communicate with each other to exploit the inter source redundancy. The DSC theorem states that the optimal rate achieved when performing joint encoding and decoding can theoretically be reached by doing separate encoding and joint decoding. Distributed Video Coding (DVC) applies this paradigm to video coding. While the conventional video coding such as H.264/AVC reduces inter-frame redundancy at the encoder, DVC reduces inter-frame redundancy at the decoder by using channel coding. The architecture is suited for applications that require low-complexity encoders. Examples of such applications include wireless video surveillance and mobile camera phones. In this paper, after describing the DSC theorem, we offer a survey of recent trends and problems in DVC and introduce our contribution. In addition, we present applications beyond video coding.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) DSC / DVC / Slepian-Woif Theorem / Wyner -Ziv Theorem / Video Coding / Channel Coding
Paper # SIS2011-13
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Committee SIS
Conference Date 2011/6/2(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Distributed Source Coding : Theorem and Its Applications
Sub Title (in English)
Keyword(1) DSC
Keyword(2) DVC
Keyword(3) Slepian-Woif Theorem
Keyword(4) Wyner -Ziv Theorem
Keyword(5) Video Coding
Keyword(6) Channel Coding
1st Author's Name Takayuki NAKACHI
1st Author's Affiliation NTT Network Innovation Laboratories()
Date 2011-06-09
Paper # SIS2011-13
Volume (vol) vol.111
Number (no) 78
Page pp.pp.-
#Pages 6
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