Sciweavers

7129 search results - page 519 / 1426
» Approximation Algorithms for Treewidth
Sort
View
STOC
2006
ACM
112views Algorithms» more  STOC 2006»
16 years 7 months ago
A quasi-PTAS for unsplittable flow on line graphs
We study the Unsplittable Flow Problem (UFP) on a line graph, focusing on the long-standing open question of whether the problem is APX-hard. We describe a deterministic quasi-pol...
Nikhil Bansal, Amit Chakrabarti, Amir Epstein, Bar...
SI3D
2009
ACM
16 years 1 months ago
Real-time view-dependent rendering of parametric surfaces
We propose a view-dependent adaptive subdivision algorithm for rendering parametric surfaces on parallel hardware. Our framework allows us to bound the screen space error of a pie...
Christian Eisenacher, Quirin Meyer, Charles T. Loo...
PSIVT
2009
Springer
162views Multimedia» more  PSIVT 2009»
16 years 1 months ago
Localization of Lesions in Dermoscopy Images Using Ensembles of Thresholding Methods
Dermoscopy is one of the major imaging modalities used in the diagnosis of melanoma and other pigmented skin lesions. Due to the difficulty and subjectivity of human interpretation...
M. Emre Celebi, Hitoshi Iyatomi, Gerald Schaefer, ...
FOCS
2006
IEEE
16 years 1 months ago
On the Optimality of the Dimensionality Reduction Method
We investigate the optimality of (1+ )-approximation algorithms obtained via the dimensionality reduction method. We show that: • Any data structure for the (1 + )-approximate n...
Alexandr Andoni, Piotr Indyk, Mihai Patrascu
IJCNN
2006
IEEE
16 years 1 months ago
Cellular SRN Trained by Extended Kalman Filter Shows Promise for ADP
— Cellular simultaneous recurrent neural network has been suggested to be a function approximator more powerful than the MLP’s, in particular for solving approximate dynamic pr...
Roman Ilin, Robert Kozma, Paul J. Werbos