Intrinsic Images by Entropy Minimization

ECCV, Prague, May 2004

Graham D. Finlayson 1, Mark S. Drew 2, Cheng Lu 2

1School of Information Systems, The University of East AngliaNorwich, England NR4 7TJ

graham@cmp.uea.ac.uk

2School of Computing Science, Simon Fraser UniversityVancouver, British Columbia, Canada V5A 1S6

{mark,clu }@cs.sfu.ca

(A.) Camera with Unknown Calibration: HP618-nonlinearFigures are as follows:

Original image Image chromaticity Entropy plotRecovered chromaticity Shadow-edge mask Re-integrated image

(B.) Camera with Known Calibration: HP912-linear