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Scratch detection in metal surface by blasting using Gabor filters
Liu, Shuangchun1,2; Jing, Hongwei1
2016
Source PublicationProceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices
ISSN0277-786X
Volume9686Pages:96860W
SubtypeC
AbstractSand blasting process can produce fine random concave and convex surfaces on the surface of the workpiece, which make the collected image background of the workpiece complex and the defects difficult to detect. Especially for the detection of low-contrast scratches, scratch depth is less than the depth of sand blasting surface. Common edge detection methods and threshold segmentation methods are difficult to effectively extract the scratch defect. According to the vertical characteristics of scratches direction in the spatial domain and the spatial-frequency domain, a method based on Gabor filter is proposed for the detection of scratch defect. Firstly, 36 Gabor filters with different directions are used to extract the directional feature of the image. Then, using the gray threshold method to segment the scratch regions in 36 different directions and merge the scratch regions. Finally, the morphological processing is used to remove the noise interference and connect the scratch regions which are not continuous. The experimental results show that the method is feasible and robust. Compared with the hysteresis threshold algorithm, the algorithm extracts the edge of the scratch without burr and has high precision. © 2016 SPIE.
KeywordBandpass Filters Blasting Edge Detection Frequency Domain Analysis Image Processing Manufacture Materials Testing Morphology Optoelectronic Devices Surface Defects
DOI10.1117/12.2243220
Indexed BySCI ; Ei
Language英语
Funding OrganizationChinese Academy of Sciences, Institute of Optics and Electronics (IOE) ; The Chinese Optical Society (COS)
WOS IDWOS:000391495500030
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/8563
Collection质量处(质检中心)
Affiliation1. Institute of Optics and Electronics, Chinese Academy of Sciences, P.O .Box 350, Chengdu
2.610209, China
3. University of Chinese Academy of Sciences, Beijing
4.100049, China
Recommended Citation
GB/T 7714
Liu, Shuangchun,Jing, Hongwei. Scratch detection in metal surface by blasting using Gabor filters[J]. Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices,2016,9686:96860W.
APA Liu, Shuangchun,&Jing, Hongwei.(2016).Scratch detection in metal surface by blasting using Gabor filters.Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices,9686,96860W.
MLA Liu, Shuangchun,et al."Scratch detection in metal surface by blasting using Gabor filters".Proceedings of SPIE: 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices 9686(2016):96860W.
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