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Paper Abstract and Keywords
Presentation 2012-03-08 12:45
Word lip reading from scenes of speaker's utterance profile based on mouth-shape-code approach
Shinsuke Okita, Yuki Sato, Yuki Sugata, Takuro Tasaka, Nozomu Hamada (Keio Univ.) CAS2011-112 SIP2011-132 CS2011-104
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we apply mouth-shape-approach to Japanese speaker’s utterance profile for lip reading.The novel point is to propose automatic detection of consonant-key-frames. To detect the consonant-key-frames by time series of profile feature vector which is defined the difference value of distance of lips and projection length of lower lip. This approach provides an extension of mouth-shape-code time series. The mouth-shape recognition of key-frames is conducted by five profile shape features; the height of upper lip and lower lip, the projection length of upper and lower lip points, and the angle of lips. We apply DP-matching to the recognized word code string of key-frames and a candidate word code string, then search the nearest word as the result. Recognition experiments using two sets of target 27 words commonly used in dairy conversation, and adding 10 pairs of similar words to them are conducted. The proposed method attained 90.4%, and 86.7% for these word set respectively.
Keyword (in Japanese) (See Japanese page) 
(in English) lip reading / mouth-shape-code / key-frame / profile / image processing / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 466, SIP2011-132, pp. 31-36, March 2012.
Paper # SIP2011-132 
Date of Issue 2012-03-01 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF CAS2011-112 SIP2011-132 CS2011-104

Conference Information
Committee CAS CS SIP  
Conference Date 2012-03-08 - 2012-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Niigata 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2012-03-CAS-CS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Word lip reading from scenes of speaker's utterance profile based on mouth-shape-code approach 
Sub Title (in English)  
Keyword(1) lip reading  
Keyword(2) mouth-shape-code  
Keyword(3) key-frame  
Keyword(4) profile  
Keyword(5) image processing  
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1st Author's Name Shinsuke Okita  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Yuki Sato  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Yuki Sugata  
3rd Author's Affiliation Keio University (Keio Univ.)
4th Author's Name Takuro Tasaka  
4th Author's Affiliation Keio University (Keio Univ.)
5th Author's Name Nozomu Hamada  
5th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2012-03-08 12:45:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # CAS2011-112, SIP2011-132, CS2011-104 
Volume (vol) vol.111 
Number (no) no.465(CAS), no.466(SIP), no.467(CS) 
Page pp.31-36 
#Pages
Date of Issue 2012-03-01 (CAS, SIP, CS) 


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