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Radiometric Compensation using Stratified Inverses Tian-Tsong Ng, Ramanpreet S. Pahwa, Jiamin Bai, Tony Q.S. Quek
 

Summary: Radiometric Compensation using Stratified Inverses
Tian-Tsong Ng, Ramanpreet S. Pahwa, Jiamin Bai, Tony Q.S. Quek
Institute for Infocomm Research
Singapore
{ttng,rspahwa,jbai,qsquek}@i2r.a-star.edu.sg
Kar-Han Tan
HP Labs
Palo Alto, US
kar-han.tan@hp.com
Abstract
Through radiometric compensation, a projector-camera
system can project a desired image onto a non-flat and non-
white surface. This can be achieved by computing the in-
verse light transport of a scene. A light transport matrix is
in general large and on the order of 106
106
elements.
Therefore, computing the inverse light transport matrix is
computationally and memory intensive. Two prior meth-
ods were proposed to simplify matrix inversion by ignoring

  

Source: Ahuja, Narendra - Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign
O'Brien, James F. - Department of Electrical Engineering and Computer Sciences, University of California at Berkeley

 

Collections: Computer Technologies and Information Sciences; Engineering