Image Processing for Optical Methods to Analyze Shape, Deformation, Stress and Strain

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The authors have been developing some novel methods to measure shape, deformation, stress and strain of structures using optical methods and image processing as follows: (1) Phase analysis methods using Fourier, wavelet or Gabor transforms, etc., (2) Real-time 2-D strain measurement using moiré interferometry, (3) Scanning moiré method using thinning-out of scanning lines and a DMD camera (4) Strain rate distribution measurement by a high-speed video camera, (5) Real-time integrated phase-shifting method, (6) Shape measurement methods using multi-reference planes, a linear image sensor, or a frequency modulated grating, and (7) Windowed phase-shifting digital holographic interferometry (WPSDHI). Theories of these methods and some applications are introduced. The most accurate result is 88 picometer standard deviation of errors using the WPSDHI.

Info:

Periodical:

Key Engineering Materials (Volumes 326-328)

Edited by:

Soon-Bok Lee and Yun-Jae Kim

Pages:

13-18

DOI:

10.4028/www.scientific.net/KEM.326-328.13

Citation:

Y. Morimoto "Image Processing for Optical Methods to Analyze Shape, Deformation, Stress and Strain", Key Engineering Materials, Vols. 326-328, pp. 13-18, 2006

Online since:

December 2006

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Price:

$35.00

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