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Title :Image detection of inner wall surface of holes in metal sheets through polarization using a 3D TV monitor
Authors :Suzuki, Takamasa
Nakano, Katsunori
Muramatsu, Shogo
Oitate, Toshiro
Publisher :International Society for Optical Engineering, SPIE
Issue Date :Nov-2012
Journal Title :Proceedings of SPIE - the International Society for Optical Engineering
Volume :8563
Start Page :85630Q-1
End Page :85630Q-6
ISSN :0277-786X
Description :Optical metrology and inspection for industrial applications 2 : 5-7 November 2012 : Beijing, China
Abstract :We propose an effective technique for optically detecting images of the inner hole-surface of a hole (hereafter, referred to as the hole-surface) using the polarization property of a 3D television (TV) monitor. The polarized light emitted by the TV monitor illuminates the hole-surfaces present in the test target placed on the screen of the monitor. When the polarizer placed in front of a camera lens is adjusted such that the camera captures a dark image for the transmitted light, only the highlighted hole-surfaces are visible in the captured image.
Keywords :polarization
3D television
sheet metal
inner wall surface of a hole
Type Local :会議発表論文
Language :eng
Format :application/pdf
URI :http://hdl.handle.net/10191/31148
fullTextURL :http://dspace.lib.niigata-u.ac.jp/dspace/bitstream/10191/31148/1/8563_85630Q.pdf
DOI :info:doi/10.1117/12.999726
Rights :Copyright(C)2012 Society of Photo-Optical Instrumentation Engineers
Appears in Collections:06 SPIE

Please use this identifier to cite or link to this item: http://hdl.handle.net/10191/31148