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A lens collar auto-inspection system | IEEE Conference Publication | IEEE Xplore

A lens collar auto-inspection system


Abstract:

Surface quality of lens collar arouses customers' highly concern. Manual inspection has been a way for quality assurance, but it might cause employees injuries and strenu...Show More

Abstract:

Surface quality of lens collar arouses customers' highly concern. Manual inspection has been a way for quality assurance, but it might cause employees injuries and strenuosity. So it is worthy to introduce a nondestructive inspection system. The proposed system is composed of a CCD, a white LED coaxial light and a motor. The region of interesting (ROI) of lens collar is extracted firstly where is filled with statistical texture. The discrete cosine transformation (DCT) image restoration sub-function reflects textures into high energy components which are then be oppressed by filters. We finally attempt to highlight the defects by defect detection sub-function because of gray levels of textures within a range of limit while defects not.
Date of Conference: 18-22 May 2015
Date Added to IEEE Xplore: 13 July 2015
Electronic ISBN:978-4-9011-2214-6
Conference Location: Tokyo, Japan

References

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