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2010
89views more  TIP 2010»
13 years 4 months ago
Fast Nonconvex Nonsmooth Minimization Methods for Image Restoration and Reconstruction
Nonconvex nonsmooth regularization has advantages over convex regularization for restoring images with neat edges. However, its practical interest used to be limited by the difficu...
Mila Nikolova, Michael K. Ng, Chi-Pan Tam
CCCG
2010
13 years 11 months ago
Fast local searches and updates in bounded universes
Given a bounded universe {0, 1, . . . , U-1}, we show how to perform (successor) searches in O(log log ) expected time and updates in O(log log ) expected amortized time, where i...
Prosenjit Bose, Karim Douïeb, Vida Dujmovic, ...
CGF
2010
98views more  CGF 2010»
13 years 10 months ago
Fast Generation of Pointerless Octree Duals
Geometry processing applications frequently rely on octree structures, since they provide simple and efficient hierarchies for discrete data. However, octrees do not guarantee dire...
Thomas Lewiner, Vinícius Mello, Adelailson ...
INTERSPEECH
2010
13 years 4 months ago
Enhancements of viterbi search for fast unit selection synthesis
The paper describes the optimisation of Viterbi search used in unit selection TTS, since with a large speech corpus necessary to achieve a high level of naturalness, the performan...
Daniel Tihelka, Jirí Kala, Jindrich Matouse...
JMLR
2010
149views more  JMLR 2010»
13 years 4 months ago
Fast Committee-Based Structure Learning
Current methods for causal structure learning tend to be computationally intensive or intractable for large datasets. Some recent approaches have speeded up the process by first m...
Ernest Mwebaze, John A. Quinn