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Title:
INSPECTION DEVICE AND INSPECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/014320
Kind Code:
A1
Abstract:
A background color in accordance with the type of object to be inspected is set prior to image capture. An image acquisition unit (52) acquires a color image of an object to be inspected from a CCD camera (20), and an HSV conversion unit (54) converts the color image to HSV data. A quality determination unit (56) performs quality determination based on the data after HSV conversion. Specifically, the quality determination unit (56), which treats a pixel within an inspection threshold as a background pixel in relation to saturation and brightness, determines a value outside the inspection threshold to be a pixel of the object to the inspected. In the case of the number of those determined to be pixels of the object to the inspected being equal to or greater than a predetermined number, the quality determination unit (56) determines that a fray (88) has occurred.

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Inventors:
OKADA MASAAKI (JP)
Application Number:
PCT/JP2016/071644
Publication Date:
January 26, 2017
Filing Date:
July 22, 2016
Export Citation:
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Assignee:
YAZAKI CORP (JP)
International Classes:
G01N21/95; G01N21/88; G06T1/00
Foreign References:
JP2005337926A2005-12-08
JPH0712735A1995-01-17
JP2010190786A2010-09-02
JP2010112859A2010-05-20
JP2006284536A2006-10-19
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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