The Irradiance Volume
Gene Greger, Peter Shirley, Philip M. Hubbard, and Donald P. Greenberg
Cornell Program of Computer Graphics
IEEE Computer Graphics and Applications, 18(2):32--43, March 1998
The irradiance volume supports the reconstruction of believable approximations to illumination in situations that overwhelm traditional
global illumination algorithms.
[Paper in PDF format (2.2 MB)]