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GMP
2010
IEEE
214views Solid Modeling» more  GMP 2010»
15 years 2 months ago
Efficient Computation of 3D Clipped Voronoi Diagram
The Voronoi diagram is a fundamental geometry structure widely used in various fields, especially in computer graphics and geometry computing. For a set of points in a compact 3D d...
Dong-Ming Yan, Wenping Wang, Bruno Lévy, Ya...
SIAMSC
2008
167views more  SIAMSC 2008»
14 years 9 months ago
Low-Dimensional Polytope Approximation and Its Applications to Nonnegative Matrix Factorization
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
Moody T. Chu, Matthew M. Lin
SDM
2009
SIAM
152views Data Mining» more  SDM 2009»
15 years 6 months ago
Non-negative Matrix Factorization, Convexity and Isometry.
In this paper we explore avenues for improving the reliability of dimensionality reduction methods such as Non-Negative Matrix Factorization (NMF) as interpretive exploratory data...
Nikolaos Vasiloglou, Alexander G. Gray, David V. A...
ISPD
2010
ACM
160views Hardware» more  ISPD 2010»
15 years 4 months ago
Physical synthesis of bus matrix for high bandwidth low power on-chip communications
As the thermal wall becomes the dominant factor limiting VLSI circuit performance, and the interconnect wires become the primary power consumer, power efficiency of onchip data th...
Renshen Wang, Evangeline F. Y. Young, Ronald L. Gr...
SIAMSC
2011
177views more  SIAMSC 2011»
14 years 4 months ago
Computing f(A)b via Least Squares Polynomial Approximations
Given a certain function f, various methods have been proposed in the past for addressing the important problem of computing the matrix-vector product f(A)b without explicitly comp...
Jie Chen, Mihai Anitescu, Yousef Saad