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Paper Abstract and Keywords
Presentation 2014-10-10 10:55
UI improvements by a cursor prediction drawing in AirTarget System
Takafumi Nakajima, Kohei Chikama, Hiroshi Iwasaki, Masato Yoshimi, Hidetsugu Irie, Tsutomu Yoshinaga (UEC) CPSY2014-48
Abstract (in Japanese) (See Japanese page) 
(in English) The system called ``AirTarget'' that we are developing is an user interface that enables gesture input by image analysis to detect the location of the fingertips which are seen through over optical see-through Head Mounted Display.
Manupilating the objects on the screen of the HMD intuitively can achieve wearable computing environment familiar with daily life.
In this paper, drawing scheme of Air Target that overlays a cursor onto the user's fingertip is enhanced to improve operabity of the system.The scheme conceals low frrame rates and delay of image recognition by predicting the movement of the cursor.
In this paper， we adopted simple first-order prediction besed on the history and introduced a latest filtering algorithm to prevent jumpy movement arised from prediction.
The proposed method is implemented on BT-200 and the drawing frame rate and operability are evaluated.the evaluation shwoed that the system achieves is 20 FPS even by the embedded processor on HMD. The result of questionnaire also indicated that the improvement of usability even though the latency is increased by the filter.
Keyword (in Japanese) (See Japanese page) 
(in English) HMD / Fingertip Recognition / prediction / UI / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 242, CPSY2014-48, pp. 7-12, Oct. 2014.
Paper # CPSY2014-48 
Date of Issue 2014-10-03 (CPSY) 
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)
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Conference Information
Committee CPSY  
Conference Date 2014-10-10 - 2014-10-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Meeting Room 303, International Conference Hall, Makuhari-Messe 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Computer Systems for User-centric Application 
Paper Information
Registration To CPSY 
Conference Code 2014-10-CPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) UI improvements by a cursor prediction drawing in AirTarget System 
Sub Title (in English)  
Keyword(1) HMD  
Keyword(2) Fingertip Recognition  
Keyword(3) prediction  
Keyword(4) UI  
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1st Author's Name Takafumi Nakajima  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Kohei Chikama  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Hiroshi Iwasaki  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Masato Yoshimi  
4th Author's Affiliation The University of Electro-Communications (UEC)
5th Author's Name Hidetsugu Irie  
5th Author's Affiliation The University of Electro-Communications (UEC)
6th Author's Name Tsutomu Yoshinaga  
6th Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2014-10-10 10:55:00 
Presentation Time 25 minutes 
Registration for CPSY 
Paper # CPSY2014-48 
Volume (vol) vol.114 
Number (no) no.242 
Page pp.7-12 
#Pages 6 
Date of Issue 2014-10-03 (CPSY) 

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