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Paper Abstract and Keywords
Presentation 2015-06-19 13:45
Consideration for Visual Word Feature Transformation Hardware based on Bag-of-Features
Koki Sugi, Tetsushi Koide, Tatsuya Shimizu, Takumi Okamoto, Anh-Tuan Hoang, Hikaru Satoh, Toru Tamaki, Bisser Raytchev, Kazufumi Kaneda (Hiroshima Univ.), Shigeto Yoshida, Hiroshi Mieno (Hiroshima General Hospital of West Japan Railway Company), Shinji Tanaka (Hiroshima Univ.) RECONF2015-6
Abstract (in Japanese) (See Japanese page) 
(in English) Recent years, the Computer-Aided Diagnosis (CAD) system which supports doctor’s diagnosis effectively in the diagnosis of colorectal cancer is required. Our research aims to develop a diagnosis support system eCAD for Full HD (1920 x 1080 pixel) colorectal endoscopic images with Narrow Band Imaging (NBI) magnification which identify the pathology type from local features in NBI endoscopic image. This paper presents a hardware implementation for a feature transformation based on Bag-of-Features (BoF), which changes the feature quantities, which is generated in the feature extraction step, to Visual Word (VW) histograms. Using Manhattan distance instead of Euclidian distance in the feature transformation enables paralleling and pipelining with low resource usage. As a result, eCAD can be possible to process the feature transformation to complete its work in about 50 msec on the features of Full HD image and this time is enough to the real time diagnosis for clinical doctors.
Keyword (in Japanese) (See Japanese page) 
(in English) Colorectal Endoscopic Images with magnification / Computer-Aided Diagnosis (CAD) / Narrow Band Imaging (NBI) / Bag-of-Features (BoF) / Feature Transformation / Visual Word (VW) / FPGA Implementation /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 109, RECONF2015-6, pp. 29-34, June 2015.
Paper # RECONF2015-6 
Date of Issue 2015-06-12 (RECONF) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF RECONF2015-6

Conference Information
Committee RECONF  
Conference Date 2015-06-19 - 2015-06-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) the 10th anniversary celebration of RECONF: Reconfigurable Systems, etc. 
Paper Information
Registration To RECONF 
Conference Code 2015-06-RECONF 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Consideration for Visual Word Feature Transformation Hardware based on Bag-of-Features 
Sub Title (in English)  
Keyword(1) Colorectal Endoscopic Images with magnification  
Keyword(2) Computer-Aided Diagnosis (CAD)  
Keyword(3) Narrow Band Imaging (NBI)  
Keyword(4) Bag-of-Features (BoF)  
Keyword(5) Feature Transformation  
Keyword(6) Visual Word (VW)  
Keyword(7) FPGA Implementation  
Keyword(8)  
1st Author's Name Koki Sugi  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Tetsushi Koide  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Tatsuya Shimizu  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
4th Author's Name Takumi Okamoto  
4th Author's Affiliation Hiroshima University (Hiroshima Univ.)
5th Author's Name Anh-Tuan Hoang  
5th Author's Affiliation Hiroshima University (Hiroshima Univ.)
6th Author's Name Hikaru Satoh  
6th Author's Affiliation Hiroshima University (Hiroshima Univ.)
7th Author's Name Toru Tamaki  
7th Author's Affiliation Hiroshima University (Hiroshima Univ.)
8th Author's Name Bisser Raytchev  
8th Author's Affiliation Hiroshima University (Hiroshima Univ.)
9th Author's Name Kazufumi Kaneda  
9th Author's Affiliation Hiroshima University (Hiroshima Univ.)
10th Author's Name Shigeto Yoshida  
10th Author's Affiliation Hiroshima General Hospital of West Japan Railway Company (Hiroshima General Hospital of West Japan Railway Company)
11th Author's Name Hiroshi Mieno  
11th Author's Affiliation Hiroshima General Hospital of West Japan Railway Company (Hiroshima General Hospital of West Japan Railway Company)
12th Author's Name Shinji Tanaka  
12th Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2015-06-19 13:45:00 
Presentation Time 25 minutes 
Registration for RECONF 
Paper # RECONF2015-6 
Volume (vol) vol.115 
Number (no) no.109 
Page pp.29-34 
#Pages
Date of Issue 2015-06-12 (RECONF) 


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