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Paper Abstract and Keywords
Presentation 2008-07-28 13:00
A Fast Deformed Area Map Generation Algorithm Based on Road Network Partitioning
Kazuya Matsumoto, Nozomu Togawa, Masao Yanagisawa, Tatsuo Ohtsuki (Waseda Univ.) ITS2008-12
Abstract (in Japanese) (See Japanese page) 
(in English) As cellular phones become smaller and more powerful, a navigation system using GPS on cellular phones has expanded, and its demand increases not only in urban areas but also in suburb areas. It is necessary to generate a deformed map that is appropriate for the display on a cellular phone whose display size is small and its processing performance is low. In this paper, we propose a deformed map generation algorithm that can be applied not only to urban areas mainly composed of straight lines, but also to suburb areas including straight lines and curves. The proposed algorithm is based on dividing the road network in an entire area into some groups and substitute each group with a straight line or a curve. At the same time it removes several nodes and links which we do not need in a deformed map. As a result of having applied the proposed algorithm to ten urban areas and ten suburb areas, we confirmed that the deformed maps easy to recognize were generated and its data size was reduced not only in the urban areas but also in the suburb areas with many curves.
Keyword (in Japanese) (See Japanese page) 
(in English) pedestrian navigation / cellular phone / deformed map / road network partitioning / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 171, ITS2008-12, pp. 25-30, July 2008.
Paper # ITS2008-12 
Date of Issue 2008-07-21 (ITS) 
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 ITS2008-12

Conference Information
Committee ITS  
Conference Date 2008-07-28 - 2008-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Positioning Systems for ITS, etc. 
Paper Information
Registration To ITS 
Conference Code 2008-07-ITS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Fast Deformed Area Map Generation Algorithm Based on Road Network Partitioning 
Sub Title (in English)  
Keyword(1) pedestrian navigation  
Keyword(2) cellular phone  
Keyword(3) deformed map  
Keyword(4) road network partitioning  
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1st Author's Name Kazuya Matsumoto  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Nozomu Togawa  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Masao Yanagisawa  
3rd Author's Affiliation Waseda University (Waseda Univ.)
4th Author's Name Tatsuo Ohtsuki  
4th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2008-07-28 13:00:00 
Presentation Time 30 minutes 
Registration for ITS 
Paper # ITS2008-12 
Volume (vol) vol.108 
Number (no) no.171 
Page pp.25-30 
#Pages 6 
Date of Issue 2008-07-21 (ITS) 

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