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SIAMSC
2008
237views more  SIAMSC 2008»
13 years 9 months ago
A Variational Shape Optimization Approach for Image Segmentation with a Mumford--Shah Functional
We introduce a novel computational method for a Mumford-Shah functional, which decomposes a given image into smooth regions separated by closed curves. Casting this as a shape opti...
Günay Dogan, Pedro Morin, Ricardo H. Nochetto
SIGSOFT
2009
ACM
14 years 9 months ago
Refactoring for reentrancy
A program is reentrant if distinct executions of that program on distinct inputs cannot affect each other. Reentrant programs have the desirable property that they can be deployed...
Jan Wloka, Manu Sridharan, Frank Tip
IPPS
2009
IEEE
14 years 3 months ago
Work-first and help-first scheduling policies for async-finish task parallelism
Multiple programming models are emerging to address an increased need for dynamic task parallelism in applications for multicore processors and shared-address-space parallel compu...
Yi Guo, Rajkishore Barik, Raghavan Raman, Vivek Sa...
APPROX
2009
Springer
142views Algorithms» more  APPROX 2009»
14 years 3 months ago
Truthful Mechanisms via Greedy Iterative Packing
An important research thread in algorithmic game theory studies the design of efficient truthful mechanisms that approximate the optimal social welfare. A fundamental question is ...
Chandra Chekuri, Iftah Gamzu
VLDB
2007
ACM
204views Database» more  VLDB 2007»
14 years 3 months ago
Optimization of Frequent Itemset Mining on Multiple-Core Processor
Multi-core processors are proliferated across different domains in recent years. In this paper, we study the performance of frequent pattern mining on a modern multi-core machine....
Eric Li, Li Liu