View source for File:Deb2000-relighting-low-res-cropped.png

== Summary ==
Each image images a face in synthesized lighting. The lower images represent the captured illumination map. The images are generated taking a [[w:dot product]] of each pixel’s [[w:Bidirectional reflectance distribution function|w:reflectance function]] with the illumination map.

Original image Copyright ACM 2000 – http://dl.acm.org/citation.cfm?doid=311779.344855 – Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page.