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ICIP
1997
IEEE
14 years 10 months ago
An Optimization Approach to Unsupervised Hierarchical Texture Segmentation
In this paper we introduce a novel optimization framework for hierarchical data clustering and apply it to the problem of unsupervised texture segmentation. The proposed objective...
Thomas Hofmann, Jan Puzicha, Joachim M. Buhmann
IWCMC
2006
ACM
14 years 3 months ago
SINR analysis for V-BLAST with ordered MMSE-SIC detection
A new way to determine the exact layer-wise SINR distribution for V-BLAST with successive interference cancellation at the receiver is presented. In contrast to previous publicati...
Ronald Böhnke, Karl-Dirk Kammeyer
DAWAK
2005
Springer
14 years 2 months ago
Gene Expression Biclustering Using Random Walk Strategies
A biclustering algorithm, based on a greedy technique and enriched with a local search strategy to escape poor local minima, is proposed. The algorithm starts with an initial rando...
Fabrizio Angiulli, Clara Pizzuti
NIPS
2008
13 years 10 months ago
ICA based on a Smooth Estimation of the Differential Entropy
In this paper we introduce the MeanNN approach for estimation of main information theoretic measures such as differential entropy, mutual information and divergence. As opposed to...
Lev Faivishevsky, Jacob Goldberger
ENGL
2007
123views more  ENGL 2007»
13 years 9 months ago
Characterization by Regulated Grammars of Calculations in the Gentzen System G
— The aim of the present work is to present a characterization of the Gentzen System G by means of a regulated grammar, according to the Formal Languages Theory. Given a proposit...
Ruben Monjaraz Hernandez-Imbert, Jose de Jesus Lav...