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Volume: 5 | Article ID: art00052
Groundtruth Data for Multispectral Bidirectional Texture Functions
  DOI :  10.2352/CGIV.2010.5.1.art00052  Published OnlineJanuary 2010

In this paper we present a method for the acquisition of multispectral Bidirectional Texture Functions (BTFs) for the colorcorrect reproduction of complex materials in virtual scenes with arbitrary illumination. We explain our acquisition setup in detail as well as its careful calibration. The main purpose of the described setup is to provide accurate groundtruth data to verify future methods for simplified multispectral BTF measurements as well as techniques for efficient compression and rendering of multispectral BTF data. We show the accuracy of data obtained with our setup by comparing rendered images to photographs of real scenes. We also verify our datasets using reference measurements obtained with a spectrometer.

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Martin Rump, Ralf Sarlette, Reinhard Klein, "Groundtruth Data for Multispectral Bidirectional Texture Functionsin Proc. IS&T CGIV 2010/MCS'10 5th European Conf. on Colour in Graphics, Imaging, and Vision 12th Int'l Symp. on Multispectral Colour Science,  2010,  pp 326 - 331,

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