On the Advancement of BTF Measurement on Site

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dc.contributor.authorHavran, Vlastimilen_US
dc.contributor.authorHosek, Janen_US
dc.contributor.authorNemcova, Sarkaen_US
dc.contributor.authorCap, Jirien_US
dc.contributor.editorReinhard Klein and Holly Rushmeieren_US
dc.date.accessioned2018-08-29T06:56:33Z
dc.date.available2018-08-29T06:56:33Z
dc.date.issued2018
dc.description.abstractWe present our progress to the on-site measurement of the spatially varying surface reflectance represented by bidirectional texture function (BTF). This requires a physical realization of a portable instrument that can be brought to the sample, outside the laboratory. We discuss our motivation, the main issues, and challenges for making such an instrument possible. We focus on the design of the mechanical parts that are required for an easy manipulation of the device on site and describe our experiences with the instrument in practice. The design uses a miniaturized rotary light stage. It allows for measurement of HDR images with the acquisition rate of 1000 HDR images per minute, where one HDR image consists of 4 individual exposures.en_US
dc.description.sectionheadersMeasurement and Fluorescence
dc.description.seriesinformationWorkshop on Material Appearance Modeling
dc.identifier.doi10.2312/mam.20181191
dc.identifier.isbn978-3-03868-055-0
dc.identifier.issn2309-5059
dc.identifier.pages5-9
dc.identifier.urihttps://doi.org/10.2312/mam.20181191
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/mam20181191
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.titleOn the Advancement of BTF Measurement on Siteen_US
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MAM2018: Eurographics Workshop on Material Appearance Modeling