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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 6 — Feb. 20, 2004
  • pp: 1349–1354

Illumination compensation methods for automatic fiber connector inspection

Yaguang Yang  »View Author Affiliations


Applied Optics, Vol. 43, Issue 6, pp. 1349-1354 (2004)
http://dx.doi.org/10.1364/AO.43.001349


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Abstract

Unevenly distributed image illumination is a problem in an automatic machine visual inspection system used for fiber connector defect detection. This unevenly distributed illumination makes it difficult to find an appropriate horizontal threshold to convert a gray-scale image to a binary image to separate surface defects, such as blobs and scratches, from the background of the connector. This paper proposes some effective methods to compensate the unevenly distributed illumination problem so that standard image processing methods can be used effectively to detect the defects of the fiber connectors.

© 2004 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(150.3040) Machine vision : Industrial inspection

History
Original Manuscript: August 8, 2003
Revised Manuscript: October 28, 2003
Published: February 20, 2004

Citation
Yaguang Yang, "Illumination compensation methods for automatic fiber connector inspection," Appl. Opt. 43, 1349-1354 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-6-1349

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