Michael Ashikhmin, Peter Shirley. Steerable illumination textures. ACM Trans. Graph., 21(1):1-19, 2002. [doi]
@article{AshikhminS02,
title = {Steerable illumination textures},
author = {Michael Ashikhmin and Peter Shirley},
year = {2002},
doi = {10.1145/504789.504790},
url = {http://doi.acm.org/10.1145/504789.504790},
researchr = {https://researchr.org/publication/AshikhminS02},
cites = {0},
citedby = {0},
journal = {ACM Trans. Graph.},
volume = {21},
number = {1},
pages = {1-19},
}