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» Approximation algorithms for developable surfaces
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SBCCI
2003
ACM
129views VLSI» more  SBCCI 2003»
15 years 7 months ago
Hyperspectral Images Clustering on Reconfigurable Hardware Using the K-Means Algorithm
Unsupervised clustering is a powerful technique for understanding multispectral and hyperspectral images, being k-means one of the most used iterative approaches. It is a simple th...
Abel Guilhermino S. Filho, Alejandro César ...
ESA
2007
Springer
118views Algorithms» more  ESA 2007»
15 years 5 months ago
A Quasi-PTAS for Profit-Maximizing Pricing on Line Graphs
We consider the problem of pricing items so as to maximize the profit made from selling these items. An instance is given by a set E of n items and a set of m clients, where each c...
Khaled M. Elbassioni, René Sitters, Yan Zha...
CGF
2008
121views more  CGF 2008»
15 years 1 months ago
Tensor Clustering for Rendering Many-Light Animations
Rendering animations of scenes with deformable objects, camera motion, and complex illumination, including indirect lighting and arbitrary shading, is a long-standing challenge. P...
Milos Hasan, Edgar Velázquez-Armendá...
RECSYS
2009
ACM
15 years 8 months ago
Recommendations with prerequisites
We consider the problem of recommending the best set of k items when there is an inherent ordering between items, expressed as a set of prerequisites (e.g., the course ‘Real Ana...
Aditya G. Parameswaran, Hector Garcia-Molina
ISSAC
2005
Springer
119views Mathematics» more  ISSAC 2005»
15 years 7 months ago
Computing the multiplicity structure in solving polynomial systems
This paper presents a duality analysis and an algorithm for computing the multiplicity structure of a zero to a polynomial system, while the zero can be exact or approximate with ...
Barry H. Dayton, Zhonggang Zeng