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Optical Engineering

Method of scanning-path determination for color three-dimensional laser measurement
Author(s): Changku Sun; Peng Wang; Li Tao; Shan Chen
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Paper Abstract

This paper presents a novel scanning-path determination method to choose a next best view, using a combination of the shape-from-silhouette and convex-hull methods to ensure the accuracy and integrity of measured object surface data. A backlight system is used to illuminate the scene to acquire silhouettes from different viewpoints, from which an approximate 3-D surface model can be deduced. The scanning path is determined according to the convex hull of the approximate model so as to specify the movement of a three-axis motion table to achieve automatic measurement. With a mathematical model of a sensor equipped with a color CCD and a line-structured laser, 3-D color data of the object can be obtained integrally and accurately.

Paper Details

Date Published: 1 January 2008
PDF: 6 pages
Opt. Eng. 47(1) 013601 doi: 10.1117/1.2833443
Published in: Optical Engineering Volume 47, Issue 1
Show Author Affiliations
Changku Sun, Tianjin Univ. (China)
Peng Wang, Tianjin Univ. (China)
Li Tao, Tianjin Univ. (China)
Shan Chen, Tianjin Univ. (China)

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