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http://dx.doi.org/10.9716/KITS.2011.10.1.065

Position Detection Algorithms Using 3-Axial Accelerometer Sensor  

Kim, Nam-Jin (모젼스랩 기술개발 연구소)
Choi, Young-Hee (모젼스랩 기술개발 연구소 소프트웨어 개발 팀)
Choi, Lee-Kwon (모젼스랩)
Publication Information
Journal of Information Technology Services / v.10, no.1, 2011 , pp. 65-72 More about this Journal
Abstract
In this paper, we consist of three dimensional acceleration sensor as a small-sized sensor module to acquire base technologies that need to estimate exhibition audience' moving distance. and that we developed algorism and device that can calculate acceleration in gravity direction with attaching it to people's body part without regard to three dimensional direction. By making use of the sensor module, we have to process the data that let it quantitatively process possible to measure people's walk and movement by computer system. We normalized sensor output data in the process of change from sensor module to acquisition of data, rectangular coordinates and single scalar acceleration value in gravity direction. Printed out sensor data attaching sensor module to people's body part is used for motion pattern detection after normalization, Motion sensor devised mode change algorism because it print data of other pattern according to attached position of body. For algorism design, we collected data occurring during walking about subject and we also defined occurring problem domain after analyzing the data. We settle defined problem domain and that we simulated the walking number measuring instrument with highly efficient in restricted environment.
Keywords
Sensor; 3-Axial Accelerometer; Detect Algorithm;
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