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Paper Abstract and Keywords
Presentation 2015-10-26 16:15
A Design of the 178-MHz WXGA 30-fps Optical Flow Processor Based on HOE Algorithm
Tetsuya Matsumura (Nihon Univ.), Aoi Kurokawa, Kosuke Imamura, Yoshio Matsuda (Kanazawa Univ.) VLD2015-32 ICD2015-45 IE2015-67 Link to ES Tech. Rep. Archives: ICD2015-45
Abstract (in Japanese) (See Japanese page) 
(in English) We propose an optical flow processor, which allows real-time processing of WXGA 30-fps at 178.3 MHz. By introducing the SOR method and a pipeline operation for the Gauss-Seidel method to the iterative flow calculation, computational complexity can be reduced to 14.5% when compared to the previous HOE processor. We decreased the area of the embedded memory by using the image division method, applying line memory, and optimizing the computation word length. The core size of the designed processor is 16.82 mm2 in 90 nm process technology, which is approximately 5% of the previous HOE processor. The processor can operate completely in parallel, which ensures high-resolution scalability.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical flow / HOE / Gauss-Seidel / SOR method / Processor / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 270, VLD2015-32, pp. 31-36, Oct. 2015.
Paper # VLD2015-32 
Date of Issue 2015-10-19 (VLD, ICD, IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF VLD2015-32 ICD2015-45 IE2015-67 Link to ES Tech. Rep. Archives: ICD2015-45

Conference Information
Conference Date 2015-10-26 - 2015-10-27 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To VLD 
Conference Code 2015-10-ICD-IE-VLD-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Design of the 178-MHz WXGA 30-fps Optical Flow Processor Based on HOE Algorithm 
Sub Title (in English)  
Keyword(1) Optical flow  
Keyword(2) HOE  
Keyword(3) Gauss-Seidel  
Keyword(4) SOR method  
Keyword(5) Processor  
1st Author's Name Tetsuya Matsumura  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Aoi Kurokawa  
2nd Author's Affiliation Kanazawa University (Kanazawa Univ.)
3rd Author's Name Kosuke Imamura  
3rd Author's Affiliation Kanazawa University (Kanazawa Univ.)
4th Author's Name Yoshio Matsuda  
4th Author's Affiliation Kanazawa University (Kanazawa Univ.)
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Speaker Author-1 
Date Time 2015-10-26 16:15:00 
Presentation Time 25 minutes 
Registration for VLD 
Paper # VLD2015-32, ICD2015-45, IE2015-67 
Volume (vol) vol.115 
Number (no) no.270(VLD), no.271(ICD), no.272(IE) 
Page pp.31-36 
Date of Issue 2015-10-19 (VLD, ICD, IE) 

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