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ALGORITHMICA
2005
108views more  ALGORITHMICA 2005»
14 years 9 months ago
How Fast Is the k-Means Method?
We present polynomial upper and lower bounds on the number of iterations performed by the k-means method (a.k.a. Lloyd's method) for k-means clustering. Our upper bounds are ...
Sariel Har-Peled, Bardia Sadri
GECCO
2004
Springer
117views Optimization» more  GECCO 2004»
15 years 3 months ago
Bistability of the Needle Function in the Presence of Truncation Selection
It is possible for a GA to have two stable fixed points on a single-peak fitness landscape. These can correspond to meta-stable finite populations. This phenomenon is called bis...
Alden H. Wright, Greg Cripe
HVEI
2009
14 years 7 months ago
Perceptually significant spatial pooling techniques for image quality assessment
Spatial pooling strategies used in recent Image Quality Assessment (IQA) algorithms have generally been that of simply averaging the values of the obtained scores across the image...
Anush K. Moorthy, Alan C. Bovik
ICIP
2008
IEEE
15 years 4 months ago
Correlation Embedding Analysis
—Beyond conventional linear and kernel-based feature extraction, we present a more generalized formulation for feature extraction in this paper. Two representative algorithms usi...
Yun Fu, Thomas S. Huang
AAAI
2010
14 years 11 months ago
Using Bisimulation for Policy Transfer in MDPs
Knowledge transfer has been suggested as a useful approach for solving large Markov Decision Processes. The main idea is to compute a decision-making policy in one environment and...
Pablo Samuel Castro, Doina Precup