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CIARP
2006
Springer
15 years 11 months ago
Oscillating Feature Subset Search Algorithm for Text Categorization
Abstract. A major characteristic of text document categorization problems is the extremely high dimensionality of text data. In this paper we explore the usability of the Oscillati...
Jana Novovicová, Petr Somol, Pavel Pudil
IPL
2007
99views more  IPL 2007»
15 years 7 months ago
Approximation algorithms for minimizing segments in radiation therapy
Intensity modulated radiation therapy (IMRT) is one of the most effective modalities for modern cancer treatment. The key to successful IMRT treatment hinges on the delivery of a...
Shuang Luan, Jared Saia, Maxwell Young
JETAI
1998
110views more  JETAI 1998»
15 years 6 months ago
Independency relationships and learning algorithms for singly connected networks
Graphical structures such as Bayesian networks or Markov networks are very useful tools for representing irrelevance or independency relationships, and they may be used to e cientl...
Luis M. de Campos
SIAMIS
2010
123views more  SIAMIS 2010»
15 years 5 months ago
Numerical Algorithms for Polyenergetic Digital Breast Tomosynthesis Reconstruction
Digital tomosynthesis imaging is becoming increasingly significant in a variety of medical imaging applications. Tomosynthesis imaging involves the acquisition of a series of proj...
Julianne Chung, James G. Nagy, Ioannis Sechopoulos
JACM
2011
98views more  JACM 2011»
15 years 2 months ago
Randomized algorithms for estimating the trace of an implicit symmetric positive semi-definite matrix
We analyze the convergence of randomized trace estimators. Starting at 1989, several algorithms have been proposed for estimating the trace of a matrix by 1 M M i=1 zT i Azi, where...
Haim Avron, Sivan Toledo