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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 19, Iss. 11 — Jun. 1, 1980
  • pp: 1879–1883

Electronic speckle pattern interferometry using digital image processing techniques

Suezou Nakadate, Toyohiko Yatagai, and Hiroyoshi Saito  »View Author Affiliations


Applied Optics, Vol. 19, Issue 11, pp. 1879-1883 (1980)
http://dx.doi.org/10.1364/AO.19.001879


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Abstract

The use of digital image processing techniques for electronic speckle pattern interferometry is discussed. A digital TV-image processing system with a large frame memory allows us to perform precise and flexible operations such as subtraction, summation, and level slicing. Digital image processing techniques make it easy compared with analog techniques to generate high contrast fringes. Some experimental verifications are presented in the cases of surface displacement and vibration amplitude measurements.

© 1980 Optical Society of America

History
Original Manuscript: August 15, 1979
Published: June 1, 1980

Citation
Suezou Nakadate, Toyohiko Yatagai, and Hiroyoshi Saito, "Electronic speckle pattern interferometry using digital image processing techniques," Appl. Opt. 19, 1879-1883 (1980)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-19-11-1879

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