Practical Experiences with Using Autocollimator for Surface Reflectance Measurement

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dc.contributor.authorHavran, Vlastimilen_US
dc.contributor.editorReinhard Klein and Holly Rushmeieren_US
dc.date.accessioned2016-07-18T16:44:21Z
dc.date.available2016-07-18T16:44:21Z
dc.date.issued2016
dc.description.abstractWe present our experiences with using an autocollimator to set up the surface reflectance measurement for both BRDF and BTF. Assuming the measured material appearance is put on a locally flat surface, the autocollimator allows us to set the perpendicularity of the measured sample in stationary measurement setups. The principle works also vice versa, we can align the measurement setup against a stationary sample for on-site measurements. The autocollimator requires to use a collimated beam of light, a mirror, a beam splitter, and a detector. We describe the autocollimator principle, problems, and the issues involved when using an autocollimator for surface reflectance measurement setups.en_US
dc.description.sectionheadersMeasurement
dc.description.seriesinformationWorkshop on Material Appearance Modeling
dc.identifier.doi10.2312/mam.20161250
dc.identifier.isbn978-3-03868-007-9
dc.identifier.issn2309-5059
dc.identifier.pages15-18
dc.identifier.urihttps://doi.org/10.2312/mam.20161250
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/mam20161250
dc.publisherThe Eurographics Associationen_US
dc.subjectI.3.7 [Computer Graphics]
dc.subjectThree Dimensional Graphics and Realism
dc.subjectColor
dc.subjectshading
dc.subjectshadowing
dc.subjectand texture
dc.subjectI.4.1 [Image Processing and Computer Vision]
dc.subjectDigitization and Image Capture
dc.subjectReflectance
dc.titlePractical Experiences with Using Autocollimator for Surface Reflectance Measurementen_US
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MAM2016: Eurographics Workshop on Material Appearance Modeling