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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 2 — Jan. 15, 2008
  • pp: 183–185

Nearly preprocessing-free method for skeletonization of gray-scale electronic speckle pattern interferometry fringe patterns via partial differential equations

Chen Tang, Wenjing Lu, Yuanxue Cai, Lin Han, and Gao Wang  »View Author Affiliations


Optics Letters, Vol. 33, Issue 2, pp. 183-185 (2008)
http://dx.doi.org/10.1364/OL.33.000183


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Abstract

We describe a novel method for skeletonization of gray-scale electronic speckle pattern interferometry (ESPI) fringe patterns. Our method is based on the gradient vector field (GVF). We propose a new partial differential equation model for calculating the GVF of ESPI fringe patterns. Further, we propose rules used to measure the possibility of each pixel on the skeleton based on the topological analysis of the GVF. The final skeletons are traced, which mimics the behavior of edge detection based on these rules. The proposed method works directly on the gray-scale images.

© 2008 Optical Society of America

OCIS Codes
(100.2650) Image processing : Fringe analysis
(110.6150) Imaging systems : Speckle imaging
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry

ToC Category:
Imaging Systems

History
Original Manuscript: October 17, 2007
Revised Manuscript: November 21, 2007
Manuscript Accepted: November 21, 2007
Published: January 14, 2008

Citation
Chen Tang, Wenjing Lu, Yuanxue Cai, Lin Han, and Gao Wang, "Nearly preprocessing-free method for skeletonization of gray-scale electronic speckle pattern interferometry fringe patterns via partial differential equations," Opt. Lett. 33, 183-185 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-2-183

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