Y. Chuang, A. Agarwala, B. Curless, D. Salesin, and R. Szeliski. SIGGRAPH '02: Proceedings of the 29th annual conference on Computer graphics and interactive techniques, page 243--248. New York, NY, USA, ACM, (2002)
P. Debevec, T. Hawkins, C. Tchou, H. Duiker, W. Sarokin, and M. Sagar. SIGGRAPH '00: Proceedings of the 27th annual conference on Computer graphics and interactive techniques, page 145--156. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (2000)
T. Malzbender, D. Gelb, and H. Wolters. SIGGRAPH '01: Proceedings of the 28th annual conference on Computer graphics and interactive techniques, page 519--528. New York, NY, USA, ACM, (2001)