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특허 상세정보

Video web inspection system employing filtering and thresholding to determine surface anomalies

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06F-011/00   
미국특허분류(USC) 364/552 ; 364/469 ; 364/507 ; 364/572
출원번호 US-0875672 (1992-04-29)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 32  인용 특허 : 0
초록

Method and apparatus for inspecting the surface of a moving web of homogeneous material for anomalies, the apparatus including a light source for illuminating the web surface and a light sensitive detector for receiving data from the web surface. The data is representative of the light reflected from the surface, as the light is affected by surface anomalies and background information. Computational means are provided for receiving output data from the detector in response to the data the detector receives from the web surface, and for processing the out...

대표
청구항

In an inspection system for repeatedly and automatically determining the existence of anomalies on a surface of a moving web of non-discrete, homogeneous material, said anomalies existing in the presence of a web surface background that is not anomalous, the system comprising: a light source for illuminating the web surface; a light sensitive device for acquiring data from the web surface, and for producing an image of said surface data in the form of pixel elements, and for providing output data that is representative of the web surface data acquired by...

이 특허를 인용한 특허 피인용횟수: 32

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  3. Floeder, Steven P.; Masterman, James A.; Skeps, Carl J.. Apparatus and method for the automated marking of defects on webs of material. USP2011077974459.
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  15. Pang, Kwok-Hung Grantham; Kumar, Ajay. Method of and device for inspecting images to detect defects. USP2004106804381.
  16. Wehnes, Jeffrey C.; Monaco, James P.; Harding, David S.; Pike, James H.; Ho, Anbinh T.; Hanafy, Lawrence M.. Microcalcification detection and classification in radiographic images. USP2016029256941.
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  18. Floeder, Steven P.; Masterman, James A.; Skeps, Carl J.; Okonek, Terry A.. Multi-roller registered repeat defect detection of a web process line. USP2010097797133.
  19. Floeder, Steven P.; Masterman, James A.; Skeps, Carl J.; Berg, Brandon T.. Multi-unit process spatial synchronization. USP2012058175739.
  20. Floeder, Steven P.; Brittain, Kenneth G.; Masterman, James A.; Skeps, Carl J.. Multi-unit process spatial synchronization of image inspection systems. USP2009067542821.
  21. Wehnes, Jeffrey C.. Probability density function estimation. USP2015079076197.
  22. Wehnes, Jeffrey C.; Harding, David S.. Spiculated malignant mass detection and classification in a radiographic image. USP2015028958625.
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