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Paper Abstract and Keywords
Presentation 2008-06-24 10:30
Video Quality Control based on MOS and a Bit Rate Reduction by Buffering
Daigoro Miyakawa, Shin'ichi Tanaka, Toshiyuki Yoshida (University of Fukui), Takeshi Tsukuba, Toshio Nomura (Sharp)
Abstract (in Japanese) (See Japanese page) 
(in English) To realize the optimal video quality in a restricted transmission bandwidth, the authors have proposed a video coding technique based on MOS, in which the estimated MOS of the target video is maximized by controlling the number of frames per second and the average number of bits per frame within a constant bit rate. An application of the technique under a constant bit rate, however, results in fluctuations of video quality over scenes. This paper thus tries to improve lower-quality parts in a target video to stabilize the overall video quality by introducing a frame prescanning and buffering. A subjective quality assessment test has confirmed that the proposed technique actually improves the video quality.
Keyword (in Japanese) (See Japanese page) 
(in English) video coding / subjective video quality / MOS / frame prescanning / video quality stabilization / / /  
Reference Info. ITE Tech. Rep., vol. 32, no. 26, ME2008-83, pp. 29-32, June 2008.
Paper # ME2008-83 
Date of Issue 2008-06-16 (IST, ME) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee ME IST  
Conference Date 2008-06-23 - 2008-06-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ME 
Conference Code 2008-06-ME-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Video Quality Control based on MOS and a Bit Rate Reduction by Buffering 
Sub Title (in English)  
Keyword(1) video coding  
Keyword(2) subjective video quality  
Keyword(3) MOS  
Keyword(4) frame prescanning  
Keyword(5) video quality stabilization  
1st Author's Name Daigoro Miyakawa  
1st Author's Affiliation University of Fukui (University of Fukui)
2nd Author's Name Shin'ichi Tanaka  
2nd Author's Affiliation University of Fukui (University of Fukui)
3rd Author's Name Toshiyuki Yoshida  
3rd Author's Affiliation University of Fukui (University of Fukui)
4th Author's Name Takeshi Tsukuba  
4th Author's Affiliation Sharp (Sharp)
5th Author's Name Toshio Nomura  
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Speaker Author-1 
Date Time 2008-06-24 10:30:00 
Presentation Time 30 minutes 
Registration for ME 
Paper # IST2008-25, ME2008-83 
Volume (vol) vol.32 
Number (no) no.26 
Page pp.29-32 
Date of Issue 2008-06-16 (IST, ME) 

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