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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 31 — Nov. 1, 2009
  • pp: 5917–5932

Three-dimensional structure measurement of diamond crowns based on stereo vision

Zhiguo Ren and Lilong Cai  »View Author Affiliations


Applied Optics, Vol. 48, Issue 31, pp. 5917-5932 (2009)
http://dx.doi.org/10.1364/AO.48.005917


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Abstract

We present an effective method for reconstructing and measuring the three-dimensional (3D) structures of diamond crowns based on stereo vision. To reach high measurement accuracy, the influences of 3D measurement errors are analyzed in detail. Then, a method to accurately extract the linear features of diamond edges based on virtual motion control is described. Depending on the obtained linear features, the 3D structure of a diamond crown can be reconstructed with least squares error. The validity of the proposed method is verified by experiments. The results show that the proposed method can be used to measure the 3D structures of diamond crowns with satisfactory accuracy and efficiency, and it also can be used to extract linear features and measure other similar artificial objects that can be represented by line segments.

© 2009 Optical Society of America

OCIS Codes
(000.2170) General : Equipment and techniques
(100.2000) Image processing : Digital image processing
(100.5010) Image processing : Pattern recognition
(100.6890) Image processing : Three-dimensional image processing
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.1135) Machine vision : Algorithms

ToC Category:
Image Processing

History
Original Manuscript: July 14, 2009
Revised Manuscript: September 17, 2009
Manuscript Accepted: September 19, 2009
Published: October 21, 2009

Citation
Zhiguo Ren and Lilong Cai, "Three-dimensional structure measurement of diamond crowns based on stereo vision," Appl. Opt. 48, 5917-5932 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-31-5917

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