Images prgressing technology of optics damage online inspection

Feng Bo; Liu Bingguo; Chen Fengdong; Liu Guodong; Peng Zhitao; Yuan Haoyu; Sun Heyi

doi:10.3788/HPLPB20132507.1697

Volume 25 Issue 07

May 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(07): 1697-1700

Wang Qichao, Shi Jiaming, Zhao Dapeng, et al. Polarimetric contrast characteristics of camouflage target and background[J]. High Power Laser and Particle Beams, 2013, 25: 1354-1358. doi: 10.3788/HPLPB20132506.1354

Citation:

Feng Bo, Liu Bingguo, Chen Fengdong, et al. Images prgressing technology of optics damage online inspection[J]. High Power Laser and Particle Beams, 2013, 25: 1697-1700. doi: 10.3788/HPLPB20132507.1697

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Images prgressing technology of optics damage online inspection

doi: 10.3788/HPLPB20132507.1697

1.
School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China;
2.
Research Center of Laser Fusion,CAEP,Mianyang 621900,China

Received Date: 2012-09-02
Rev Recd Date: 2013-01-21
Publish Date: 2013-05-02

Abstract

Abstract

Images progressing technology of optics damage pictures which were taken in total internal reflection edge illumination was studied in this paper. Signal intensity of defects is stronger than backgrounds intensity in the edge lit images. Based on this property, local signal intensity ratio image was produced by Gaussian filter to locate the defects with high accuracy. A calibration equation between the size of the defects and the gray value was built. The size of the defects could be precisely calculated using the calibration equation. A comparison test was carried out, the results indicate that the proposed algorithm is superior to the traditional ones on the precision.
- images progressing,
- local signal intensity ratio,
- exposure calibration,
- total internal reflection edge illumination

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