2019
DOI: 10.1364/ao.59.000234
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Comprehensive defect-detection method for a small-sized curved optical lens

Abstract: During quality-assurance procedures in the mass production of small-sized curved optical lenses, fine defects are usually detected via manual observation, which is not recommended owing to the associated drawbacks of high error rate, low efficiency, and nonamenability to quantitative analysis. To address this concern, this paper presents a comprehensive defect-detection system based on transmitted fringe deflectometry, dark-field illumination, and light transmission. Experime… Show more

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Cited by 6 publications
(1 citation statement)
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“…In order to improve the defect detection accuracy of small size curved optical lenses, Pan, J.D. et al [9] proposed a comprehensive defect detection system based on transmission streak deflection method, dark field illumination and light transmission, and the experimental results show that the proposed system can be applied to the actual mass production of small size curved optical lenses. For defect detection in electronic screens, Gao Yan et al [10] designed an image processing-based screen defect detection algorithm.…”
Section: Related Workmentioning
confidence: 99%
“…In order to improve the defect detection accuracy of small size curved optical lenses, Pan, J.D. et al [9] proposed a comprehensive defect detection system based on transmission streak deflection method, dark field illumination and light transmission, and the experimental results show that the proposed system can be applied to the actual mass production of small size curved optical lenses. For defect detection in electronic screens, Gao Yan et al [10] designed an image processing-based screen defect detection algorithm.…”
Section: Related Workmentioning
confidence: 99%