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» Comparative analysis of biclustering algorithms
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CSDA
2010
105views more  CSDA 2010»
15 years 5 months ago
James-Stein shrinkage to improve k-means cluster analysis
We study a general algorithm to improve accuracy in cluster analysis that employs the James-Stein shrinkage effect in k-means clustering. We shrink the centroids of clusters towar...
Jinxin Gao, David B. Hitchcock
IJON
2006
180views more  IJON 2006»
15 years 4 months ago
Nonnegative independent component analysis based on minimizing mutual information technique
A novel neural network technique for nonnegative independent component analysis is proposed in this letter. Compared with other algorithms, this method can work efficiently even w...
Chun-Hou Zheng, De-Shuang Huang, Zhan-Li Sun, Mich...
PAMI
2010
119views more  PAMI 2010»
15 years 3 months ago
Efficient Multilevel Eigensolvers with Applications to Data Analysis Tasks
—Multigrid solvers proved very efficient for solving massive systems of equations in various fields. These solvers are based on iterative relaxation schemes together with the app...
Dan Kushnir, Meirav Galun, Achi Brandt
MICCAI
2008
Springer
16 years 6 months ago
Findings in Schizophrenia by Tract-Oriented DT-MRI Analysis
Abstract. This paper presents a tract-oriented analysis of diffusion tensor (DT) images of the human brain. We demonstrate that unlike the commonly used ROI-based methods for popul...
Mahnaz Maddah, Marek Kubicki, William M. Wells I...
FCCM
2007
IEEE
117views VLSI» more  FCCM 2007»
15 years 11 months ago
FPGA Acceleration of Gene Rearrangement Analysis
In this paper we present our work toward FPGA acceleration of phylogenetic reconstruction, a type of analysis that is commonly performed in the fields of systematic biology and co...
Jason D. Bakos