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A Handheld 3-Dimensional Motion Tracking Device for Ubiquitous Computing Environment

유비쿼터스 환경에서 사용 가능한 핸드 헬드형 3차원 움직임 추적장치

  • 박명관 (동양대학교 IT전자공학부) ;
  • 이상훈 (한양대학교 전기전자컴퓨터공학부) ;
  • 서일홍 (한양대학교 정보통신대학)
  • Published : 2005.12.01

Abstract

This paper describes a design experience of a low-cost 6 DOF spatial tracker system where relative low accuracy and relatively long ranges, wireless communication will be achieved by means of low cost accelerometers and gyros with contemporary microprocessor. However, there are two key problems; one is the bias drift problem and the other is that single or double integration of acceleration signal suffers not only from noise but also from nonlinear effects caused by gravity. To be specific, beginning and stopping of hand motions needs to be accurately detected to initiate and terminate integration process to get position and pose of the hand from accelerometer and gyro signals, since errors due to noise and/or hand-shaking motions accumulated by integration processes. Several experimental results are shown to validate our proposed algorithms.

Keywords

References

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