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WSCG
2001
92views more  WSCG 2001»
15 years 6 months ago
Enhancements to Directional Coherence Maps
Directional Coherence Maps as proposed by Guo in '98 are a very efficient acceleration technique for ray tracing based global illumination renderers. It vastly reduces the nu...
Annette Scheel, Marc Stamminger, Jörg Pü...
ICCV
2009
IEEE
15 years 2 months ago
Kernel map compression using generalized radial basis functions
The use of Mercer kernel methods in statistical learning theory provides for strong learning capabilities, as seen in kernel principal component analysis and support vector machin...
Omar Arif, Patricio A. Vela
TMM
2010
169views Management» more  TMM 2010»
14 years 11 months ago
An Image-Based Approach to Video Copy Detection With Spatio-Temporal Post-Filtering
This paper introduces a video copy detection system which efficiently matches individual frames and then verifies their spatio-temporal consistency. The approach for matching frame...
Matthijs Douze, Herve Jegou, Cordelia Schmid
CVPR
2009
IEEE
16 years 12 months ago
Regularized Multi-Class Semi-Supervised Boosting
Many semi-supervised learning algorithms only deal with binary classification. Their extension to the multi-class problem is usually obtained by repeatedly solving a set of bina...
Amir Saffari, Christian Leistner, Horst Bischof
CGF
2008
160views more  CGF 2008»
15 years 4 months ago
iCheat: A Representation for Artistic Control of Indirect Cinematic Lighting
Thanks to an increase in rendering efficiency, indirect illumination has recently begun to be integrated in cinematic lighting design, an application where physical accuracy is le...
Juraj Obert, Jaroslav Krivánek, Fabio Pella...