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SIAMSC
2008
237views more  SIAMSC 2008»
15 years 1 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
CLASSIFICATION
2008
68views more  CLASSIFICATION 2008»
15 years 2 months ago
The Metric Cutpoint Partition Problem
Let G = (V, E, w) be a graph with vertex and edge sets V and E, respectively, and w : E IR+ a function which assigns a positive weight or length to each edge of G. G is called a r...
Alain Hertz, Sacha Varone
CISS
2008
IEEE
15 years 8 months ago
Distributed interference pricing for OFDM wireless networks with non-separable utilities
—We present a distributed algorithm for allocating power among multiple interfering transmitters in a wireless network using Orthogonal Frequency Division Multiplexing (OFDM). Th...
Changxin Shi, Randall A. Berry, Michael L. Honig
EMNLP
2008
15 years 3 months ago
Specialized Models and Ranking for Coreference Resolution
This paper investigates two strategies for improving coreference resolution: (1) training separate models that specialize in particular types of mentions (e.g., pronouns versus pr...
Pascal Denis, Jason Baldridge
SIAMIS
2010
156views more  SIAMIS 2010»
14 years 8 months ago
Learning the Morphological Diversity
This article proposes a new method for image separation into a linear combination of morphological components. Sparsity in fixed dictionaries is used to extract the cartoon and osc...
Gabriel Peyré, Jalal Fadili, Jean-Luc Starc...