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.
CITATION STYLE
Tsunoda, J., Sakaino, S., & Tsuji, T. (2019). Development of an angle measurement system using monocular camera and moiré patterns. IEEJ Journal of Industry Applications, 8(2), 200–206. https://doi.org/10.1541/ieejjia.8.200
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