@inproceedings{1609971, author = {Yu, Insu and Cox, Andrew and Kim, Min H. and Ritschel, Tobias and Grosch, Thorsten and Dachsbacher, Carsten and Kautz, Jan}, title = {Perceptual influence of approximate visibility in indirect illumination}, booktitle = {APGV '09: Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization}, year = {2009}, isbn = {978-1-60558-743-1}, location = {Chania, Crete, Greece}, doi = {http://doi.acm.org/10.1145/1620993.1609971}, publisher = {ACM}, address = {New York, NY, USA}, }