IEEJ Journal of Industry Applications
Online ISSN : 2187-1108
Print ISSN : 2187-1094
Special Issue Paper
Development of an Angle Measurement System Using Monocular Camera and Moiré Patterns
Junya TsunodaSho SakainoToshiaki Tsuji
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2019 年 8 巻 2 号 p. 200-206

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This paper describes the development of an angle measurement system using a monocular camera. In recent years, the measurement of the angle of a human joint has played an important role in various fields. Particularly, in the area of rehabilitation, measurement results are applied to make a diagnosis based on the condition of the patient; therefore, high accuracy is required. However, the use of such results is limited because systems with sufficient accuracy are expensive and bulky. In the proposed method, we introduce a Moiré pattern that magnifies small angular displacements to compensate for the poor resolution of the camera. We experimentally verified the robustness of the measurement results' assuming practical use.

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© 2019 The Institute of Electrical Engineers of Japan
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