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TIT
2008
129views more  TIT 2008»
14 years 11 months ago
Serial Schedules for Belief-Propagation: Analysis of Convergence Time
Abstract--Low-Density Parity-Check (LDPC) codes are usually decoded by running an iterative belief-propagation algorithm over the factor graph of the code. In the traditional messa...
Jacob Goldberger, Haggai Kfir
NETWORKS
1998
14 years 11 months ago
Project scheduling with multiple modes: A comparison of exact algorithms
This paper is devoted to a comparison of all available branch-and-bound algorithms that can be applied to solve resource-constrained project scheduling problems with multiple exec...
Sönke Hartmann, Andreas Drexl
CVPR
2008
IEEE
16 years 1 months ago
Superpixel lattices
Unsupervised over-segmentation of an image into superpixels is a common preprocessing step for image parsing algorithms. Ideally, every pixel within each superpixel region will be...
Alastair P. Moore, Simon Prince, Jonathan Warrell,...
ICSE
2009
IEEE-ACM
16 years 20 days ago
Accurate Interprocedural Null-Dereference Analysis for Java
Null dereference is a commonly occurring defect in Java programs, and many static-analysis tools identify such defects. However, most of the existing tools perform a limited inter...
Mangala Gowri Nanda, Saurabh Sinha
CHI
2009
ACM
16 years 13 days ago
Evaluating existing audio CAPTCHAs and an interface optimized for non-visual use
Audio CAPTCHAs were introduced as an accessible alternative for those unable to use the more common visual CAPTCHAs, but anecdotal accounts have suggested that they may be more di...
Jeffrey P. Bigham, Anna Cavender