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SIGGRAPH
1992
ACM
13 years 11 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
SIGGRAPH
1992
ACM
13 years 11 months ago
Variational surface modeling
We present a new approachto interactive modeling of freeform surfaces. Instead of a fixed mesh of control points, the model presented to the user is that of an infinitely malleabl...
William Welch, Andrew P. Witkin
SIGGRAPH
1992
ACM
13 years 11 months ago
Measuring and modeling anisotropic reflection
A new device for measuringthe spatial reflectancedistributionsof surfaces is introduced, along with a new mathematical model of sniaorropic reflectance. The reflectance model pres...
Gregory J. Ward
SIGGRAPH
1992
ACM
13 years 11 months ago
Re-tiling polygonal surfaces
This paper presents an automatic method of creating surface models at several levels of detail from an original polygonal description of a given object. Representing models at var...
Greg Turk
SIGGRAPH
1992
ACM
13 years 11 months ago
Generative modeling: a symbolic system for geometric modeling
This paper discusses a new, symbolic approach to geometric modeling called generative modeling. The approach allows specification, rendering, and analysis of a wide variety of sha...
John M. Snyder, James T. Kajiya
SIGGRAPH
1992
ACM
13 years 11 months ago
Interval analysis for computer graphics
This paper discusses how interval analysis can be used to solve a wide variety of problems in computer graphics. These problems include ray tracing, interference detection, polygo...
John M. Snyder
SIGGRAPH
1992
ACM
13 years 11 months ago
Using deformations to explore 3D widget design
Scott S. Snibbe, Kenneth P. Herndon, Daniel C. Rob...
SIGGRAPH
1992
ACM
13 years 11 months ago
An importance-driven radiosity algorithm
We present a new radiosi[y algorithm for efficiently computing global solutions with respect to a constrained set of views. Radiosi ties of directly visible surfaces are computed ...
Brian E. Smits, James Arvo, David Salesin
SIGGRAPH
1992
ACM
13 years 11 months ago
Computing the antipenumbra of an area light source
We define the antiumbra and the antipenumbra of a convex area light source shining through a sequence of convex areal holes in three dimensions. The antiumbra is the volume from w...
Seth J. Teller