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Paper Abstract and Keywords
Presentation 2009-12-03 13:35
A Study on Frame Interpolation Using Sub-pixel Motion Estimation and MAP Estimation
Koji Hara (Shinshu Univ.), Yasuo Takehisa (NPGIYC), Kiyoshi Tanaka (Shinshu Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this work, we investigate on frame interpolation using motion vectors for moving pictures. Motion vectors obtained by block matching between two existing frames are used to interpolate non-existent frames in the original video sequence. In our approach, we adopt (i) sub-pixel motion estimation, (ii) MAP estimation, and (iii) overlapped block matching (OBM) to reconstruct frames with high precision (quality). Simulation results show that sub-pixel motion estimation improves the performance of frame interpolation, but the effectiveness of sub-pixel motion estimation is remarkably promoted by MAP estimation. In addition, more precise sub-pixel motion estimation helps to reconstruct higher quality frames by MAP estimation. Furthermore, OBM contributes to constantly improve the performance of frame interpolation.
Keyword (in Japanese) (See Japanese page) 
(in English) frame interpolation / motion vector / sub-pixel motion estimation / MAP estimation / overlapped block matching / moving pictures / /  
Reference Info. ITE Tech. Rep., vol. 33, no. 54, ME2009-214, pp. 1-4, Dec. 2009.
Paper # ME2009-214 
Date of Issue 2009-11-26 (ME) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee ME IEICE-BS  
Conference Date 2009-12-03 - 2009-12-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagano Prefecture General Industrial Technology Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ME 
Conference Code 2009-12-ME-BS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Frame Interpolation Using Sub-pixel Motion Estimation and MAP Estimation 
Sub Title (in English)  
Keyword(1) frame interpolation  
Keyword(2) motion vector  
Keyword(3) sub-pixel motion estimation  
Keyword(4) MAP estimation  
Keyword(5) overlapped block matching  
Keyword(6) moving pictures  
1st Author's Name Koji Hara  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Yasuo Takehisa  
2nd Author's Affiliation Nagano Prefecture General Industrial Technology Center (NPGIYC)
3rd Author's Name Kiyoshi Tanaka  
3rd Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2009-12-03 13:35:00 
Presentation Time 25 minutes 
Registration for ME 
Paper # ME2009-214 
Volume (vol) vol.33 
Number (no) no.54 
Page pp.1-4 
Date of Issue 2009-11-26 (ME) 

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