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ICPR
2008
IEEE
16 years 5 months ago
Unsupervised image embedding using nonparametric statistics
Embedding images into a low dimensional space has a wide range of applications: visualization, clustering, and pre-processing for supervised learning. Traditional dimension reduct...
Guobiao Mei, Christian R. Shelton
PDCAT
2007
Springer
15 years 10 months ago
An Algorithm for Constructing Hamiltonian Cycle in Metacube Networks
The high-performance supercomputers will consist of several millions of CPUs in the next decade. The interconnection networks (INs) in such supercomputers play an important role. ...
Yamin Li, Shietung Peng, Wanming Chu
WADS
2005
Springer
132views Algorithms» more  WADS 2005»
15 years 9 months ago
Communication-Aware Processor Allocation for Supercomputers
Abstract. We give processor-allocation algorithms for grid architectures, where the objective is to select processors from a set of available processors to minimize the average num...
Michael A. Bender, David P. Bunde, Erik D. Demaine...
CCGRID
2003
IEEE
15 years 9 months ago
Parallel Multi-Dimensional ROLAP Indexing
This paper addresses the query performance issue for Relational OLAP (ROLAP) datacubes. We present a distributed multi-dimensional ROLAP indexing scheme which is practical to imple...
Frank K. H. A. Dehne, Todd Eavis, Andrew Rau-Chapl...
IDEAL
2010
Springer
15 years 1 months ago
Approximating the Covariance Matrix of GMMs with Low-Rank Perturbations
: Covariance matrices capture correlations that are invaluable in modeling real-life datasets. Using all d2 elements of the covariance (in d dimensions) is costly and could result ...
Malik Magdon-Ismail, Jonathan T. Purnell