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Paper Abstract and Keywords
Presentation 2010-11-12 11:10
2-pass Video Coding Algorithm based on Macroblock Rate-Distortion and Macroblock Type
Kazuya Yokohari, Yasuyuki Nakajima, Atsushi Sagata, Kazuto Kamikura (NTT)
Abstract (in Japanese) (See Japanese page) 
(in English) In order to achieve high-efficient video coding, 2-pass video coding algorithms are proposed.
In the existing 2-pass video coding algorithms, to focus on the feature quantitiy of the coding result in the frame, the video coding efficiency is grown in the frame.
In this paper, we focus on the macroblock coding efficiency (rate-distortion).
In the proposed algorithm to acheve high-efficient video coding, the quantization parameters which optimize video coding efficiency of each macroblocks are decided based on the 1-pass encoding information which are slice type, macro block type, and the amount of macro block generated bits.
Using these quantization parameters at the 2-pass encoding, the video coding efficiency is grown in the macroblock.
The proposwd algorithm is able to improve the video coding efficiency by about 20 percents.
Keyword (in Japanese) (See Japanese page) 
(in English) H.264/AVC / 2-pass video coding algorithm / / / / / /  
Reference Info. ITE Tech. Rep., vol. 34, no. 45, ME2010-162, pp. 35-39, Nov. 2010.
Paper # ME2010-162 
Date of Issue 2010-11-04 (BCT, ME, AIT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-IE AIT BCT ME  
Conference Date 2010-11-11 - 2010-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ME 
Conference Code 2010-11-IE-AIT-BCT-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 2-pass Video Coding Algorithm based on Macroblock Rate-Distortion and Macroblock Type 
Sub Title (in English)  
Keyword(1) H.264/AVC  
Keyword(2) 2-pass video coding algorithm  
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1st Author's Name Kazuya Yokohari  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Yasuyuki Nakajima  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Atsushi Sagata  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Kazuto Kamikura  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker
Date Time 2010-11-12 11:10:00 
Presentation Time 25 
Registration for ME 
Paper # BCT2010-79, ME2010-162, AIT2010-120 
Volume (vol) 34 
Number (no) no.45 
Page pp.35-39 
#Pages
Date of Issue 2010-11-04 (BCT, ME, AIT) 


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