317 膜の動的変形を対象とした画像計測システムの構築

概要

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A measurement system to accurately capture the 3D dynamic behaviors of membranes is constructed with the aid of the image processing techniques. At first, a hardware system for the image processing and the experimental setup are briefly described. Then, an image processing technique to trace the 3D dynamic behaviors of the membrane is developed. This method employs the 3D rotation, 2D isotropic expansion and 2D translation in the stereo matching, in which the corresponding points in the three stereo images are effectively searched by the derivative-free optimization strategy. Finally, the 3D deformation field of the membrane is recovered on the basis of the epipolar geometry. The 3D Deformation field is found to well reproduce the real behaviors of the membrane. In addition, they agree well with the measurement result of the laser displacement meter, which indicates that the developed method is also accurate quantitatively.
社団法人日本機械学会の論文
2003-10-30