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Paper Abstract and Keywords
Presentation 2019-03-08 15:00
Development of Projector-based Learning System with Single Sheet Recognition
Mami Umezono, Masato Nakajima, Shoji Yamamoto (May be TMCIT.)
Abstract (in Japanese) (See Japanese page) 
(in English) We have developed a learning support system by using projector and depth camera. This system has a possibility of recording the contents of transcript, sharing the idea sketch and attaching digitalized information as an electronic note. Moreover, by adding the touch recognition, flexible interaction is achieved with computer even upon the common desk. However, it is difficult to detect a sheet of paper when the color of desk is same between each other. Therefore, we propose an interactive method by using touch operation and image processing for handwriting. Assuming that the paper size is known, the position and orientation of paper are specified by the location of two corners which are obtained with touch operation. In addition, it is possible to track the movement of paper by referring the transition of handwriting on the paper. This paper presents the calibration method in our system, and the result shows accuracy validation about two methods of paper detection.
Keyword (in Japanese) (See Japanese page) 
(in English) Learning Support / Projector / Depth Camera / Interaction / / / /  
Reference Info. ITE Tech. Rep., vol. 43, no. 8, HI2019-59, pp. 41-44, March 2019.
Paper # HI2019-59 
Date of Issue 2019-03-01 (HI, 3DIT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee 3DMT HI  
Conference Date 2019-03-08 - 2019-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kogakuin Univ. Tokyo Urban Tech Tower Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HI 
Conference Code 2019-03-3DIT-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of Projector-based Learning System with Single Sheet Recognition 
Sub Title (in English)  
Keyword(1) Learning Support  
Keyword(2) Projector  
Keyword(3) Depth Camera  
Keyword(4) Interaction  
1st Author's Name Mami Umezono  
1st Author's Affiliation Tokyo Metropolitan College of Industrial Technology (May be TMCIT.)
2nd Author's Name Masato Nakajima  
2nd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (May be TMCIT.)
3rd Author's Name Shoji Yamamoto  
3rd Author's Affiliation Tokyo Metropolitan College of Industrial Technology (May be TMCIT.)
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Speaker Author-1 
Date Time 2019-03-08 15:00:00 
Presentation Time 20 minutes 
Registration for HI 
Paper # HI2019-59, 3DIT2019-11 
Volume (vol) vol.43 
Number (no) no.8 
Page pp.41-44 
Date of Issue 2019-03-01 (HI, 3DIT) 

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