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PC
2002
118views Management» more  PC 2002»
14 years 11 months ago
Parallel algorithms for indefinite linear systems
Saddle-point problems give rise to indefinite linear systems that are challenging to solve via iterative methods. This paper surveys two recent techniques for solving such problem...
Ahmed H. Sameh, Vivek Sarin
TOG
2010
118views more  TOG 2010»
14 years 6 months ago
A hierarchical volumetric shadow algorithm for single scattering
Volumetric effects such as beams of light through participating media are an important component in the appearance of the natural world. Many such effects can be faithfully modele...
Ilya Baran, Jiawen Chen, Jonathan Ragan-Kelley, Fr...
CORR
2008
Springer
116views Education» more  CORR 2008»
14 years 11 months ago
Polynomial Filtering for Fast Convergence in Distributed Consensus
Abstract--In the past few years, the problem of distributed consensus has received a lot of attention, particularly in the framework of ad hoc sensor networks. Most methods propose...
Effrosini Kokiopoulou, Pascal Frossard
ECCV
2006
Springer
16 years 1 months ago
Balanced Exploration and Exploitation Model Search for Efficient Epipolar Geometry Estimation
Abstract. The estimation of the epipolar geometry is especially difficult where the putative correspondences include a low percentage of inlier correspondences and/or a large subse...
Liran Goshen, Ilan Shimshoni
ICIP
2001
IEEE
16 years 1 months ago
Adaptive motion search with elastic diamond for MPEG-4 video coding
Video coding is a complex process, comprising a combination of spatial, temporal and statistical data reduction techniques. Of these techniques, motion estimation taking advantage...
Weiguo Zheng, Ishfaq Ahmad, Ming Lei Liou