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TCAD
2008
68views more  TCAD 2008»
14 years 10 months ago
Highly Efficient Gradient Computation for Density-Constrained Analytical Placement
Abstract--Recent analytical global placers use density constraints to approximate nonoverlap constraints, and these show very successful results. This paper unifies a wide range of...
Jason Cong, Guojie Luo, Eric Radke
COMBINATORICS
2002
62views more  COMBINATORICS 2002»
14 years 10 months ago
New Lower Bounds for Heilbronn Numbers
The n-th Heilbronn number, Hn, is the largest value such that n points can be placed in the unit square in such a way that all possible triangles defined by any three of the point...
Francesc Comellas, J. Luis A. Yebra
ALGORITHMICA
1999
123views more  ALGORITHMICA 1999»
14 years 9 months ago
Distributed Matrix-Free Solution of Large Sparse Linear Systems over Finite Fields
We describe a coarse-grain parallel software system for the homogeneous solution of linear systems. Our solutions are symbolic, i.e., exact rather than numerical approximations. O...
Erich Kaltofen, A. Lobo
101
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CORR
2010
Springer
171views Education» more  CORR 2010»
14 years 8 months ago
Graphical Models Concepts in Compressed Sensing
This paper surveys recent work in applying ideas from graphical models and message passing algorithms to solve large scale regularized regression problems. In particular, the focu...
Andrea Montanari
SAICSIT
2010
ACM
14 years 8 months ago
Numberplate detection using double segmentation
Numberplate detection plays an important role in public transportation systems. Before numberplate detection can be performed, the region of interest that contains the numberplate ...
Pei Li, James Connan