Readings
D. E. Zongker et al. Environment matting and
compositing, SIGGRAPH'99.
Y.-Y. Chuang et al. Environment matting extensions:
Towards higher accuracy and real-time capture.
SIGGRAPH'2000, pp.121-130, 2000.
P. E. Debevec , C. J. Taylor and J.  Malik, Modeling
and rendering architecture from photographs:…,
SIGGRAPH'96.