In-plane polarimetric light scattering imaging of wooden surfaces

機構典藏 > College of Engineering > Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering > Journal Article > Item 987654321/110273

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Title:	In-plane polarimetric light scattering imaging of wooden surfaces
Other Titles:	木材表面特徵的平面內偏振散射光成像研究
Authors:	Cheng-Yang Liu;Shih-Hsuan Lin;Chien-Jong Shih
Keywords:	Laser beam;polarized;light scattering;wood;surface;image
Date:	2017-05-04
Issue Date:	2017-05-09 02:10:13 (UTC+8)
Publisher:	OLD CITY PUBLISHING INC
Abstract:	The in-plane polarimetric light-scattering imaging for the wood surfaces is presented. We assembled a polarized light-scattering imaging system that is capable of capturing polarimetric images. The backscattering from the wood surfaces is measured by using the in-plane polarized illumination at wavelengths 405 nm, 532 nm and 671 nm. The polarimetric images are generated for each detecting angle and found to be capable of inspecting grain orientation of the wood surfaces. The strong angular dependence of the polarimetric imaging has a potential utilization for distinguishing wood textures. The wood materials have been chose as an example with excellent imaging results. The capability of the polarimetric imaging can be used to rapidly observe varied materials for real-time automated optical inspection.
Relation:	Lasers in Engineering 37(1-3), p.1-15
Appears in Collections:	[Graduate Institute & Department of Mechanical and Electro-Mechanical Engineering] Journal Article

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