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Paper Abstract and Keywords
Presentation 2016-06-21 11:10
Input Motion Discrimination Using Time-series Optical Flows for AR Typing Interface for Mobile Devices
Masae Okada (JWU), Masakazu Higuchi, Takashi Komuro (Saitama Univ.), Kayo Ogawa (JWU)
Abstract (in Japanese) (See Japanese page) 
(in English) Mobile devices with a small touch screen have a difficulty on entering characters. As the solution, AR Typing Interface has been proposed, in which a user can input texts with a virtual keyboard overlaid with the image of a real user's hand behind the device using Augmented Reality technology. However, their recognition algorithm was only able to discriminate large typing actions. In this paper, we propose a new algorithm that uses time-series optical flows to discriminate typing actions more precisely. This method generates feature vectors from the time-series optical flow data and performs discrimination using the nearest neighbor algorithm. The result of evaluation showed that the proposed method achieved about 80% recognition rate.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Flow / Nearest Neighbor Algorithm / Time-series Data / Input Interface / Augmented Reality / / /  
Reference Info. ITE Tech. Rep., vol. 40, no. 18, ME2016-80, pp. 51-55, June 2016.
Paper # ME2016-80 
Date of Issue 2016-06-13 (IST, ME) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970

Conference Information
Committee IST ME IEICE-BioX  
Conference Date 2016-06-20 - 2016-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Ishikawa-Shiko-Kinen-Bunka-Kouryukan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Biometrics, etc. 
Paper Information
Registration To ME 
Conference Code 2016-06-IST-ME-BioX 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Input Motion Discrimination Using Time-series Optical Flows for AR Typing Interface for Mobile Devices 
Sub Title (in English)  
Keyword(1) Optical Flow  
Keyword(2) Nearest Neighbor Algorithm  
Keyword(3) Time-series Data  
Keyword(4) Input Interface  
Keyword(5) Augmented Reality  
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1st Author's Name Masae Okada  
1st Author's Affiliation Japan Women's University (JWU)
2nd Author's Name Masakazu Higuchi  
2nd Author's Affiliation Saitama University (Saitama Univ.)
3rd Author's Name Takashi Komuro  
3rd Author's Affiliation Saitama University (Saitama Univ.)
4th Author's Name Kayo Ogawa  
4th Author's Affiliation Japan Women's University (JWU)
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Speaker
Date Time 2016-06-21 11:10:00 
Presentation Time 30 
Registration for ME 
Paper # ITE-IST2016-35,ITE-ME2016-80 
Volume (vol) ITE-40 
Number (no) no.18 
Page pp.51-55 
#Pages ITE-5 
Date of Issue ITE-IST-2016-06-13,ITE-ME-2016-06-13 


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