Three-dimensional vision from a multisensing mechanism
Applied Optics, Vol. 45, Issue 13, pp. 3003-3008 (2006)
http://dx.doi.org/10.1364/AO.45.003003
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Abstract
An approach for sensing a three-dimensional (3D) object surface with an arbitrary geometric shape is presented. Combining two different 3D sensing mechanisms, point-array encoding based on affine transformation and fringe encoding based on phase mapping, we construct a mathematic model for 3D vision in which the point-array encoding is initially applied to determine the fringe orders to create a control-vertex mesh with absolute coordinate values in 3D space. Then phase evaluation and phase unwrapping for fringe decoding is performed under the guidance of control-vertex mesh, leading to an absolute phase map and the corresponding range image of the test object. The computer simulations and experimental results are presented to demonstrate the theoretical prediction.
© 2006 Optical Society of America
OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(150.6910) Machine vision : Three-dimensional sensing
ToC Category:
Three-Dimensional Sensing
History
Original Manuscript: August 10, 2005
Revised Manuscript: November 9, 2005
Manuscript Accepted: November 19, 2005
Citation
Jindong Tian and Xiang Peng, "Three-dimensional vision from a multisensing mechanism," Appl. Opt. 45, 3003-3008 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-13-3003
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