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Proceedings Paper

High-speed image acquisition technology in quality detection of workpiece surface
Author(s): Kaihua Wu; Zexuan Jin; Wenjie Wang; Nian Chen
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Paper Abstract

High-speed image acquisition technology has a great significance to improve the effciency of the workpiece surface quality detection, image quality directly affects the final test results. Aiming at the high-speed image acquisition of workpiece surface quality online detection, a workpiece image high-speed online acquisition method was produced. A high-speed online image acquisition sequence was designed. The quantitative relationship between the positioning accuracy in the high speed online image acquisition, motion blur, exposure time and the speed of workpiece was analyzed. The effect between the vibration between transfer mechanism and workpiece was analyzed. Fast trigger was implemented by photoelectric sensor. The accurate positioning was implemented by using the high accuracy time delay module. The motion blur was controlled by reducing the exposure time. A high-speed image acquisition system was designed based on the high-speed image acquisition method. The positioning accuracy was less than 0.1 mm, and the motion blur was less than one pixel.

Paper Details

Date Published: 24 November 2016
PDF: 6 pages
Proc. SPIE 10023, Optical Metrology and Inspection for Industrial Applications IV, 1002323 (24 November 2016); doi: 10.1117/12.2247840
Show Author Affiliations
Kaihua Wu, Hangzhou Dianzi Univ. (China)
Zexuan Jin, Hangzhou Dianzi Univ. (China)
Wenjie Wang, Hangzhou Dianzi Univ. (China)
Nian Chen, Hangzhou Dianzi Univ. (China)

Published in SPIE Proceedings Vol. 10023:
Optical Metrology and Inspection for Industrial Applications IV
Sen Han; Toru Yoshizawa; Song Zhang, Editor(s)

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