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CGF
2006
107views more  CGF 2006»
15 years 4 months ago
Volume-Surface Trees
Many algorithms in computer graphics improve their efficiency by using Hierarchical Space Subdivision Schemes (HS3), such as octrees, kD-trees or BSP trees. Such HS3 usually provi...
Tamy Boubekeur, Wolfgang Heidrich, Xavier Granier,...
COGSCI
2006
63views more  COGSCI 2006»
15 years 4 months ago
Memory and Mystery: The Cultural Selection of Minimally Counterintuitive Narratives
We hypothesize that cultural narratives such as myths and folktales are more likely to achieve cultural stability if they correspond to a minimally counterintuitive (MCI) cognitiv...
Ara Norenzayan, Scott Atran, Jason Faulkner, Mark ...
CORR
2006
Springer
96views Education» more  CORR 2006»
15 years 4 months ago
How accurate are the time delay estimates in gravitational lensing?
We present a novel approach to estimate the time delay between light curves of multiple images in a gravitationally lensed system, based on Kernel methods in the context of machine...
Juan C. Cuevas-Tello, Peter Tino, Somak Raychaudhu...
CSDA
2006
91views more  CSDA 2006»
15 years 4 months ago
Maximum a posteriori pruning on decision trees and its application to bootstrap BUMPing
The cost-complexity pruning generates nested subtrees and selects the best one. However, its computational cost is large since it uses holdout sample or cross-validation. On the o...
Jinseog Kim, Yongdai Kim
CSDA
2006
108views more  CSDA 2006»
15 years 4 months ago
Repeated median and hybrid filters
Standard median filters preserve abrupt shifts (edges) and remove impulsive noise (outliers) from a constant signal but they deteriorate in trend periods. Finite impulse response ...
Roland Fried, Thorsten Bernholt, Ursula Gather