A Prototype System for Versatile Visualization and Analysis of Mandibular Movement Data

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  • ISHIZUKA Takahiro
    Graduate School of Science and Technology, Niigata University
  • HAYASHI Toyohiko
    Department of Biocybernetics, Faculty of Engineering, Niigata University
  • ITOH Ken-ichi
    Department of Information and Electronics Eng., Faculty of Engineering, Niigata Institute of Technology

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  • 顎運動データの汎用表示・分析システムの試作

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Numerous systems for measuring jaw movement have been developed up to now, in order to quantitatively assess stomatognathic functions. Previous systems, however, have a structural deficit that different functions of the system, i.e., measurement, visualization, and analysis, are mutually dependent, resulting in dependence of motion-data format on sensors and/or measurement method used. This dependency was considered one of the major obstacles for constructing a public data-base for jaw movements. To eliminate such restriction, we previously proposed a general format of jaw-movement data, into which all previous data can be transformed. This paper then proposed a versatile system for visualization and analysis of motion data described in the general format. The entire system consists of three independent subsystems with functions of visualization, file management and analysis. In an attempt to achieve both high operationality and structural clarity, we employed a multi-window technique capable of activating different subsystems simultaneously, and developed an interfacing subsystem between dominant subsystems. Through experiments using a prototype system implemented in a personal computer, our structured system-design was verified to be effective for achieving independency of subsystems, without loss of operationality.

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