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Development of auto defect inspection system for cell phone silicone rubber gasket
Author(s): Chao-Ching Ho; Jhih-Jia Lu
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Paper Abstract

This paper proposes a machine-vision-based system for the inspection of the geometrical features of cell phone rubber gaskets. The system consists of two industrial cameras and an industrial computer. To begin the inspection process, the cell phone gaskets inside the camera field were identified and a novel transparent fixture were employed to guide the lighting to highlight the defects. To characterize the metrological features of cell phone gaskets, image preprocessing procedure was then implemented and defect classification algorithmic strategies was described in detail. Finally, experimental results on images of different type of the cell phone gaskets are reported together with the metrological classification of the proposed measurement system. The geometrical quality of every individual silicone rubber gasket, which could be evaluated and guaranteed to the full grade of assessment which the proposed system can achieve.

Paper Details

Date Published: 7 March 2019
PDF: 7 pages
Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 1105303 (7 March 2019); doi: 10.1117/12.2508132
Show Author Affiliations
Chao-Ching Ho, National Taipei Univ. of Technology (Taiwan)
Jhih-Jia Lu, National Taipei Univ. of Technology (Taiwan)

Published in SPIE Proceedings Vol. 11053:
Tenth International Symposium on Precision Engineering Measurements and Instrumentation
Jiubin Tan; Jie Lin, Editor(s)

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