@INPROCEEDINGS{Herzog:PG06,
AUTHOR = {Herzog, Robert and Seidel, Hans-Peter},
EDITOR = {Alexa, Marc and Ju, Tao and Gortler, Steven},
TITLE = {Lighting Details Preserving Photon Density Estimation},
BOOKTITLE = {The 15th Pacific Conference on Computer Graphics and Application},
PUBLISHER = {IEEE Computer Society},
YEAR = {2007},
PAGES = {407--410},
ADDRESS = {Maui, Hawaii, USA},
}