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http://dx.doi.org/10.5302/J.ICROS.2011.17.11.1168

Development of Multi-functional Laser Pointer Mouse Through Image Processing  

Kim, Yeong-Woo (Seoul National University of Science and Technology)
Kim, Sung-Min (University of California, San Diego, Dept. of Bioengineering)
Shin, Jin (Seoul National University of Science and Technology)
Yi, Soo-Yeong (Seoul National University of Science and Technology)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.17, no.11, 2011 , pp. 1168-1172 More about this Journal
Abstract
Beam projector is popularly used for presentation. In order to pay attention to local area of the beam projector display, a laser pointer is used together with a pointing device(Mouse). Simple wireless presenter has limited functions of a pointing device such as "go to next slide" or "back to previous slide" in a specific application(Microsoft PowerPoint) through wireless channel; thus, there is inconvenience to do other tasks e.g., program execution, maximize/minimize window etc. provided by clicking mouse buttons. The main objective of this paper is to implement a multi-functional laser-pointer mouse that has the same functions of a computer mouse. In order to get position of laser spot in the projector display, an image processing to extract the laser spot in the camera image is required. In addition, we propose a transformation of the spot position into computer display coordinates to execute mouse functions on computer display.
Keywords
vision sensor; laser pointer; beam projector; wireless mouse;
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