Vision-based continuous Graffiti™-like text entry system
Date
2004
Editor(s)
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Instructor
Source Title
Optical Engineering
Print ISSN
0091-3286
Electronic ISSN
Publisher
SPIE
Volume
43
Issue
3
Pages
553 - 558
Language
English
Type
Journal Title
Journal ISSN
Volume Title
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3
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views
6
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downloads
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Abstract
It is now possible to design real-time, low-cost computer version systems even in personal computers due to the recent advances in electronics and the computer industry. Due to this reason, it is feasible to develop computer-vision-based human-computer interaction systems. A vision-based continuous Graffiti™-like text entry system is presented. The user sketches characters in a Griffiti™-like alphabet in a continuous manner on a flat surface using a laser pointer. The beam of the laser pointer is tracked on the image sequences captured by a camera, and the corresponding written word is recognized from the extracted trace of the laser beam. © 2004 Society of Photo-Optical Instrumentation Engineers.
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Keywords
Computer vision, Graffiti recognition, Human-computer interaction, Tracking, Wearable computing, Electronics industry, Human computer interaction, Image processing, Laser beams, Pattern recognition, Systems analysis, Tracking (position), Wearable computers, Computer industry, Extracted trace, Graffiti recognition, Image sequences, Laser pointer, Computer vision