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SIBGRAPI
2008
IEEE
13 years 11 months ago
Matching Photometric Observation Vectors with Shadows and Variable Albedo
We describe a procedure to solve the basic problem of Variable Lighting Photometric Stereo – namely, recovering the normal directions and intrinsic albedos at all visible points...
Helena Cristina da Gama Leitão, Rafael Feli...
CGF
2008
122views more  CGF 2008»
13 years 5 months ago
Accurate Shadows by Depth Complexity Sampling
The accurate generation of soft shadows is a particularly computationally intensive task. In order to reduce rendering time, most real-time and offline applications decorrelate th...
Vincent Forest, Loïc Barthe, Mathias Paulin
EGH
2010
Springer
13 years 3 months ago
Restart trail for stackless BVH traversal
A ray cast algorithm utilizing a hierarchical acceleration structure needs to perform a tree traversal in the hierarchy. In its basic form, executing the traversal requires a stac...
Samuli Laine
CGF
1999
79views more  CGF 1999»
13 years 5 months ago
A Practical Analysis of Clustering Strategies for Hierarchical Radiosity
The calculation of radiant energy balance in complex scenes has been made possible by hierarchical radiosity methods based on clustering mechanisms. Although clustering offers an ...
Jean-Marc Hasenfratz, Cyrille Damez, Franço...
WEBI
2010
Springer
13 years 3 months ago
Hierarchical Cost-Sensitive Web Resource Acquisition for Record Matching
Web information is increasingly used as evidence in solving various problems, including record matching. However, acquiring web-based resources is slow and can incur other access c...
Yee Fan Tan, Min-Yen Kan