Sciweavers

1968 search results - page 264 / 394
» The Complexity of Valued Constraint Models
Sort
View
RSA
2010
89views more  RSA 2010»
14 years 8 months ago
Some remarks on Betti numbers of random polygon spaces
Polygon spaces like Mℓ = {(u1, · · · , un) ∈ S1 × · · · S1 ; n i=1 liui = 0}/SO(2) or they three dimensional analogues Nℓ play an important rle in geometry and topolo...
Clément Dombry, Christian Mazza
JCDL
2003
ACM
231views Education» more  JCDL 2003»
15 years 3 months ago
Acquisition, Representation, Query and Analysis of Spatial Data: A Demonstration 3D Digital Library
The increasing power of techniques to model complex geometry and extract meaning from 3D information create complex data that must be described, stored, and displayed to be useful...
Jeremy Rowe, Anshuman Razdan, Arleyn Simon
ICC
2008
IEEE
136views Communications» more  ICC 2008»
15 years 4 months ago
New Beamforming Schemes with Optimum Receive Combining for Multiuser MIMO systems
— In this paper, we present a new beamforming scheme for a downlink of multiuser multiple-input multipleoutput (MIMO) communication systems. Recently, a blockdiagonalization (BD)...
Sang-Rim Lee, Seokhwan Park, Sung Hyun Moon, Inkyu...
PAMI
2008
221views more  PAMI 2008»
14 years 10 months ago
Plane-Based Optimization for 3D Object Reconstruction from Single Line Drawings
In previous optimization-based methods of 3D planar-faced object reconstruction from single 2D line drawings, the missing depths of the vertices of a line drawing (and other parame...
Jianzhuang Liu, Liangliang Cao, Zhenguo Li, Xiaoou...
CORR
2011
Springer
167views Education» more  CORR 2011»
14 years 5 months ago
On Quadratic Programming with a Ratio Objective
Quadratic Programming (QP) is the well-studied problem of maximizing over {−1, 1} values the quadratic form i=j aijxixj. QP captures many known combinatorial optimization proble...
Aditya Bhaskara, Moses Charikar, Rajsekar Manokara...