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Optics Letters

Optics Letters


  • Vol. 36, Iss. 2 — Jan. 15, 2011
  • pp: 157–159

Optical measurement network for large-scale and shell-like objects

Xiang Peng, Xiaoli Liu, Yongkai Yin, and Ameng Li  »View Author Affiliations

Optics Letters, Vol. 36, Issue 2, pp. 157-159 (2011)

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An optical measurement method for large-scale and shell-like objects is proposed and is verified by experiments. The underlying concept is a model-based optical measurement network consisting of multinode three-dimensional (3D) sensors. To achieve this, a synthetic calibration method is presented to enable the measurement. A phase-aided active stereoscopy is thus applied to each node sensor for acquiring partial range images from different viewpoints. The multiple range images are then registered to obtain a 3D reconstructed model, which is compared with the computer-aided design (CAD) model to quantitatively reveal the differences between the two models. Experiment results are also presented to validate the proposed approach.

© 2011 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.5670) Machine vision : Range finding
(150.6910) Machine vision : Three-dimensional sensing

ToC Category:
Image Processing

Original Manuscript: September 16, 2010
Revised Manuscript: November 21, 2010
Manuscript Accepted: December 6, 2010
Published: January 7, 2011

Xiang Peng, Xiaoli Liu, Yongkai Yin, and Ameng Li, "Optical measurement network for large-scale and shell-like objects," Opt. Lett. 36, 157-159 (2011)

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