D. , F. Holzschuch, N. Soler, C. Chan, E. And-sillion et al., A frequency analysis of light transport, ACM SIGGRAPH 2005 Papers, pp.1115-1126, 2005.
URL : https://hal.archives-ouvertes.fr/inria-00379363

H. , T. Ogaki, S. And-jensen, and H. W. , Progressive photon mapping, In ACM SIGGRAPH Asia, vol.130, pp.1-1308, 2008.