著者
森本 吉春 瀬口 靖幸 東 利彦
出版者
一般社団法人日本機械学会
雑誌
日本機械学会論文集 A編 (ISSN:03875008)
巻号頁・発行日
vol.54, no.504, pp.1546-1552, 1988
被引用文献数
5 10

By shifting the discrete Fourier spectrum of the image of a deformed grating, we can obtain "the complex moire pattern". Strain distribution is given as the derivative of the argument of the complex moire pattern. The analysis is completely automatized by introducing the digital image processing. All of the laborious and subjective procedures reguired in conventional analysis such as fringe sign determination, fringe ordering, and fringe interpolation are completely eliminated and objective, fast and accurate analysis can be made.

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