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Paper Abstract and Keywords
Presentation 2007-12-14 10:30
Component Labeling for k-Concave Binary Images Using an FPGA
Yasuaki Ito, Koji Nakano (Hiroshima Univ.) COMP2007-48
Abstract (in Japanese) (See Japanese page) 
(in English) Connected component labeling is a task that assigns unique IDs to the connected components
of a binary (black and white) image.
The main contribution of this paper is to present a hardware connected component labeling
algorithm for $k$-concave binary images designed to implement an FPGA.
Pixels of a binary image are given to the FPGA in raster order,
and the resulting labels are also output in the same order.
The advantage of our labeling algorithm is small latency and to use a small internal storage.
We have implemented our hardware labeling algorithm in an Altera Stratix Family FPGA,
and evaluated the performance.
The implementation result shows that for a $10$-concave binary image of $2048 \times 2048$,
our connected component labeling algorithm runs in approximately 750ms and its latency is approximately 70ns.
Keyword (in Japanese) (See Japanese page) 
(in English) Connected component / Labeling / Image processing / Hardware algorithm / FPGA / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 390, COMP2007-48, pp. 1-8, Dec. 2007.
Paper # COMP2007-48 
Date of Issue 2007-12-07 (COMP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF COMP2007-48

Conference Information
Committee COMP  
Conference Date 2007-12-14 - 2007-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To COMP 
Conference Code 2007-12-COMP 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Component Labeling for k-Concave Binary Images Using an FPGA 
Sub Title (in English)  
Keyword(1) Connected component  
Keyword(2) Labeling  
Keyword(3) Image processing  
Keyword(4) Hardware algorithm  
Keyword(5) FPGA  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yasuaki Ito  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Koji Nakano  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2007-12-14 10:30:00 
Presentation Time 35 minutes 
Registration for COMP 
Paper # COMP2007-48 
Volume (vol) vol.107 
Number (no) no.390 
Page pp.1-8 
#Pages 8 
Date of Issue 2007-12-07 (COMP) 

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