動画像処理による速度場解析法とその応用

概要

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Some methods are proposed for velocity field analysis by dynamic image processing. The matching method and the gradient method are well-known. However, the matching method has problem of mismatching , and the gradient method is easily affected by noise in a image. We developed a original method to analyze the velocity field based on space-time correlation functions of intensities at pixels in a sequential image. Our method is rather simple and robust to noise. In this report, the theory of the method and some results of velocity field calculated from artificial image data are described. Measurements of Kalman vortex flow and chemical wave propagation are shown as examples of applications.
宇部工業高等専門学校の論文