パーソナルコンピュータによるしま画像解析

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タイトル別名
  • Fringe Pattern Analysis by Image Processing Using Personal Computer
  • パーソナル コンピュータ ニ ヨル シマ ガゾウ カイセキ

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抄録

In order to analyze two- or three-dimensional stress, displacement or strain distribution from fringe patterns obtained by using photoelasticity, holographic interferometry or moire, an image processing system has been developed. This system employs an IC image memory, a personal computer and its peripheral devices, and so it is of low price. A program to analyze fringe patterns was written in consideration for interactive and wide use with reasonably high speed. As an example, a moire fringe pattern of powders during compaction in a T-shaped vessel was analyzed.<br>Furthermore, a scanning moire technique was developed, in which the master grating lines are replaced by the scanning lines of a TV-camera. Use of the image processing and this scanning moire in conjunction with a mismatch technique allows measurement of both small and large strains from one image picture.

収録刊行物

  • 材料

    材料 33 (367), 495-500, 1984

    公益社団法人 日本材料学会

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