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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 26, Iss. 9 — May. 1, 1987
  • pp: 1688–1692

Automated fringe measurement in speckle photography

Farhad Ansari and Gregory Ciurpita  »View Author Affiliations


Applied Optics, Vol. 26, Issue 9, pp. 1688-1692 (1987)
http://dx.doi.org/10.1364/AO.26.001688


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Abstract

An automated Young’s fringe processor for point filtering of speckle photographs is described. It automatically measures the magnitude and direction of displacements from fringe densities of less than twenty with good accuracies. Microcomputer-based, requiring <64K of memory, the system provides full automation by employing computer-controlled scanning.

© 1987 Optical Society of America

History
Original Manuscript: October 29, 1986
Published: May 1, 1987

Citation
Farhad Ansari and Gregory Ciurpita, "Automated fringe measurement in speckle photography," Appl. Opt. 26, 1688-1692 (1987)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-26-9-1688


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References

  1. V. J. Parks, “The Range of Speckle Metrology,” Exp. Mech. 20, 181 (1980). [CrossRef]
  2. G. Cloud, “Practical Speckle Interferometry for Measuring In-Plane Deformation,” Appl. Opt. 14, 878 (1975). [CrossRef] [PubMed]
  3. J. Burdiko, M. D. Olson, C. R. Hazell, “New Aspects of Surface Displacement and Strain Analysis by Speckle Interferometry,” Exp. Mech. 19, 160 (1979). [CrossRef]
  4. F. P. Chiang, J. Adachi, R. Anastasi, J. Beatty, “Subjective Laser Speckle Method and Its Application to Solid Mechanics Problems,” Opt. Eng. 21, 379 (1982). [CrossRef]
  5. B. Ineichen, P. Eglin, R. Dandliker, “Hybrid Optical and Electronic Image Processing for Strain Measurements by Speckle Photography,” Appl. Opt. 19, 2191 (1980). [CrossRef] [PubMed]
  6. G. E. Maddux, R. R. Corwin, S. L. Moormann, “An Automated Data Reduction Device for Speckle Metrology,” in SESA Proceedings, 1981 Spring Meeting.
  7. G. H. Kaufmann, “Numerical Processing of Speckle Photography Data by Fourier Transform,” Appl. Opt. 20, 4277 (1981). [CrossRef] [PubMed]
  8. G. H. Kaufmann, A. E. Ennos, B. Gale, D. J. Pugh, “An Electrooptical Read Out System for Analysis of Speckle Photographs,” J. Phys. E 13, 579 (1980). [CrossRef]
  9. L. R. Rabiner, M. R. Samber, C. E. Schmidt, “Application of a Nonlinear Smoothing Algorithm to Speech Processing,” IEEE Trans. Acoust. Speech Signal Process. ASSP-23, 552 (1975). [CrossRef]
  10. G. Ciurpita, “Automated Arrhythmia Detection in the Exercise Electrocardiogram,” Master’s Thesis, New Jersey Institute of Technology (May1985).

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