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Volume: 29 | Article ID: art00003
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A Normal Vector and BTF Profile Measurement System Using a Correlation Camera and Scanning Dome Illumination
Akira Kimachi
Motonori Doi
Shogo Nishi
  DOI :  10.2352/ISSN.2470-1173.2017.8.MAAP-274  Published Online :  January 2017
Abstract

A system for simultaneously measuring surface normal vectors and BTF (bidirectional texture function) profiles of an object is proposed. This system consists of a correlation camera and a spherical scanning light source. The system can compress BTF measurement in one dimension of incidence direction to a single image frame, as well as measure a profile of the BTF under the scanning light source just from a single image frame. Experimental results on an implemented system demonstrate the feasibility of the proposed system.

Journal Title : Electronic Imaging
Publisher Name : Society for Imaging Science and Technology
Subject Areas :
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 DOI 10.2352/ISSN.2470-1173.2017.8.MAAP-274
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Akira Kimachi, Motonori Doi, Shogo Nishi, "A Normal Vector and BTF Profile Measurement System Using a Correlation Camera and Scanning Dome Illumination"  in Proc. IS&T Int’l. Symp. on Electronic Imaging: Material Appearance,  2017,  pp 13 - 18,  https://doi.org/10.2352/ISSN.2470-1173.2017.8.MAAP-274

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Copyright © Society for Imaging Science and Technology 2017
72010604
Electronic Imaging
2470-1173
Society for Imaging Science and Technology
10.2352/ISSN.2470-1173.2017.8.MAAP-274
2470-1173(20170129)2017:8L.13;1-
s3.phd
/ist/ei/2017/00002017/00000008/art00003
Articles
A Normal Vector and BTF Profile Measurement System Using a Correlation Camera and Scanning Dome Illumination
KimachiAkira
DoiMotonori
NishiShogo
29012017
2017
8
13
18
2017
A system for simultaneously measuring surface normal vectors and BTF (bidirectional texture function) profiles of an object is proposed. This system consists of a correlation camera and a spherical scanning light source. The system can compress BTF measurement in one dimension of incidence direction to a single image frame, as well as measure a profile of the BTF under the scanning light source just from a single image frame. Experimental results on an implemented system demonstrate the feasibility of the proposed system.
CORRELATION IMAGE SENSORBRDFBTFNORMAL VECTOR IMAGINGSCANNING DOME ILLUMINATION