Motion Capture System Using an Optical Resolver

Authors:
Takuji Tokiwa;Masashi Yoshidzumi;Hideaki Nii;Maki Sugimoto;Masahiko Inami
Affiliations:
Department of Mechanical Engineering and Intelligent Systems, School of Engineering,Tokyo University, Tokyo, Japan 113-8656 and Media Design Institute, Graduate School of Media Design, Keio Univer ...;University of Electro-Communications, Tokyo, Japan 182-8585;Graduate School of Information Science and Technology, Tokyo University, Tokyo, Japan 113-8656;Media Design Institute, Graduate School of Media Design, Keio University, Yokohama, Japan 223-8526;Graduate School of Media Design, Keio University, Yokohama, Japan 223-8526
Venue:
Proceedings of the 13th International Conference on Human-Computer Interaction. Part III: Ubiquitous and Intelligent Interaction
Year:
2009

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Abstract

In this paper, we present a novel position measurement method that makes use of a couple of plane light sources created from an IR-LED matrix array and a photo-detector. The light sources emit light with the same frequency, but different phases, while the optical axes of the sources are set up orthogonally. Then, the signal place is diffused by the space with phase differences in each position. Finally, the signal received by the photo-detector is analyzed to determine the position.