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Proceedings Paper

Optical on-line product inspection system and its application
Author(s): Weimin Sun; Yang Yang; Zhilin Zhang; Haili Jiang; Xiaoli Wang
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Paper Abstract

The real-time on-line checkout systems are wildly required to assure the quality of products. A product optical on-line product inspection system is designed based on the principle of image cross-correlation technique. The principle of this optical product inspection method is comparing the image of products on-line with the image of references. To enhance the effectiveness of the cross correlation, a Gaussian filter is introduced to weaken the intensity of the autocorrelation peak. For angle and position detection, ten referential images under different rotation angles are put on a circle position while the image of the object is shown at the center of the circle. The information of the direction and position of the object can be obtained immediately.

Paper Details

Date Published: 12 October 2006
PDF: 10 pages
Proc. SPIE 6382, Two- and Three-Dimensional Methods for Inspection and Metrology IV, 63820P (12 October 2006); doi: 10.1117/12.686030
Show Author Affiliations
Weimin Sun, Harbin Engineering Univ. (China)
Yang Yang, Harbin Engineering Univ. (China)
Zhilin Zhang, Harbin Engineering Univ. (China)
Haili Jiang, Harbin Engineering Univ. (China)
Xiaoli Wang, Harbin Engineering Univ. (China)


Published in SPIE Proceedings Vol. 6382:
Two- and Three-Dimensional Methods for Inspection and Metrology IV
Peisen S. Huang, Editor(s)

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