Using a Robotic Arm for Measuring BRDFs

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The measurement of a bidirectional reflectance distribution function (BRDF) requires a purpose-built instrument. We ease this requirement by presenting a relative method for measuring a BRDF using a multipurpose robotic arm. Our focus is on the alignment of the system to perform accurate camera positioning and orientation. We use a six degrees of freedom robotic arm to move a camera on a hemisphere surrounding a flat material sample. Point-like light sources, fixed on a quarter circle arc, sequentially illuminate the sample from different directions. The resulting images are used to reconstruct the material BRDF. We limit ourselves to tristimulus (RGB) isotropic BRDF acquisition.
Original languageEnglish
Title of host publicationScandinavian Conference on Image Analysis
Volume11482
PublisherSpringer
Publication date2019
Pages184-196
ISBN (Print)978-3-030-20204-0
DOIs
Publication statusPublished - 2019
EventScandinavian Conference on Image Analysis - Norrköpings Visualisering Center, Norrköping, Sweden
Duration: 11 Jun 201913 Jun 2019
http://ssba.org.se/scia2019/

Conference

ConferenceScandinavian Conference on Image Analysis
LocationNorrköpings Visualisering Center
CountrySweden
CityNorrköping
Period11/06/201913/06/2019
Internet address
SeriesLecture Notes in Computer Science
Volume11482
ISSN0302-9743
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Robot arm, BRDF, Camera pose estimation

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