The Reference Collection of Annual Meeting
Online ISSN : 2433-1333
VII.01.1
Session ID : W12-(7)
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W12-(7) Dynamics Extraction by Wavelet Multi-resolution Analysis
Hisashi ENDOYoshifiru SAITO
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Abstract
Dynamics in a visualized animation, which visualizes a physical dynamic system, is extracted by the discrete wavelets. Three-dimensional wavelet transform is applied to x-, y- and time- axes of the animation. The multi-resolution analysis to the time axis makes it possible to classify animation into static and dynamic images. In this paper a visualized eddy flow animation is divided into the static and dynamic images by employing Daubechies' orthogonal wavelet basis. As a result, the core of eddy flow and the fluctuation surrounding it can be extracted in the separated static and dynamic images, respectively.
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© 2001 The Japan Society of Mechanical Engineers
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