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ICASSP
2011
IEEE
12 years 8 months ago
Labeling skin tissues in ultrasound images using a generalized Rayleigh mixture model
This paper addresses the problem of estimating the statistical distribution of multiple-tissue non-stationary ultrasound images of skin. The distribution of multiple-tissue images...
Marcelo Pereyra, Nicolas Dobigeon, Hadj Batatia, J...
PICS
1998
13 years 6 months ago
Computer Graphic Simulation of Light Reflection from Paper
Computer graphic reflection modeling techniques were used to study the surface reflection of paper. Models of the subsurface microstructure of paper were constructed and the refle...
Morgan T. Schramm, Gary W. Meyer
SIGGRAPH
1992
ACM
13 years 9 months ago
Predicting reflectance functions from complex surfaces
We describe a physically-based Monte Carlo technique for approximating bidirectional reflectance distribution functions (BRDFs) for a large class of geometries by directly simulat...
Stephen H. Westin, James Arvo, Kenneth E. Torrance
RT
2004
Springer
13 years 10 months ago
Practical Rendering of Multiple Scattering Effects in Participating Media
Volumetric light transport effects are significant for many materials like skin, smoke, clouds, snow or water. In particular, one must consider the multiple scattering of light w...
Simon Premoze, Michael Ashikhmin, Ravi Ramamoorthi...
SIGGRAPH
1999
ACM
13 years 9 months ago
Modeling and Rendering of Weathered Stone
Stone is widespread in its use as a building material and artistic medium. One of its most remarkable qualities is that it changes appearance as it interacts with the environment....
Julie Dorsey, Alan Edelman, Henrik Wann Jensen, Ju...