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CVPR
2011
IEEE
14 years 10 months ago
Connecting Non-Quadratic Variational Models and MRFs
Spatially-discrete Markov random fields (MRFs) and spatially-continuous variational approaches are ubiquitous in low-level vision, including image restoration, segmentation, opti...
Kevin Schelten, Stefan Roth
ICASSP
2011
IEEE
14 years 10 months ago
Interference alignment in single-beam MIMO networks via homotopy continuation
In this paper we consider the application of a homotopy-continuation based method for finding interference alignment (IA) solutions for the deterministic K-user multiple-input mu...
Oscar Gonzalez, Ignacio Santamaría
EDBT
2011
ACM
225views Database» more  EDBT 2011»
14 years 10 months ago
On (not) indexing quadratic form distance by metric access methods
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
Tomás Skopal, Tomás Bartos, Jakub Lo...
ICALP
2011
Springer
14 years 9 months ago
Content Search through Comparisons
We study the problem of navigating through a database of similar objects using comparisons. This problem is known to be strongly related to the small-world network design problem....
Amin Karbasi, Stratis Ioannidis, Laurent Massouli&...
MMAS
2011
Springer
14 years 9 months ago
Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers
This paper introduces a new sweeping preconditioner for the iterative solution of the variable coefficient Helmholtz equation in two and three dimensions. The algorithms follow th...
Björn Engquist, Lexing Ying