Photoelastic Analysis from a Single Image Using Elliptically Polarized Tricolored Light
Photoelastic Analysis from a Single Image Using Elliptically Polarized Tricolored Light
复制标题
使用椭圆偏振三色光对单个图像进行光弹性分析
DOI：
10.1299/jsmea.42.396
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发表时间：
1999
期刊：
影响因子：
--
通讯作者：
M. Takashi
中科院分区：
文献类型：
--
作者：
S. Yoneyama;M. Takashi
本文介绍了一种从单张图像中确定条纹阶数和双折射主方向的新方法。利用椭圆偏振三色光和彩色图像处理，从单次拍摄获得的彩色图像数据中获得条纹阶数和双折射主方向。所提出的方法和整个实验和分析系统的理论进行了说明。然后，成功地应用该方法的二维光弹性分析。强调的是，这种方法可以应用于时间依赖的现象，因为在完成应力分析的足够的数据采集的多次曝光是不必要的。
In this paper, the authors describe a new method for determining the fringe order and the principal direction of birefringence from a single image. Using an elliptically polarized tricolored light and color image processing, the fringe order and the principal direction of birefringence are obtained from data of a color image obtained by a single shot. The theory of the proposed method and the entire experimental and analytical system are described. Then, a successful application of the method to 2-D photoelastic analysis is demonstrated. It is emphasized that this method can be applied to time-dependent phenomena, since multiple exposures are not necessary for sufficient data acquisition in the completion of stress analysis.