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JMLR
2012
13 years 7 months ago
A General Framework for Structured Sparsity via Proximal Optimization
We study a generalized framework for structured sparsity. It extends the well known methods of Lasso and Group Lasso by incorporating additional constraints on the variables as pa...
Luca Baldassarre, Jean Morales, Andreas Argyriou, ...
PAMI
2012
13 years 7 months ago
Image Restoration by Matching Gradient Distributions
—The restoration of a blurry or noisy image is commonly performed with a MAP estimator, which maximizes a posterior probability to reconstruct a clean image from a degraded image...
Taeg Sang Cho, Charles Lawrence Zitnick, Neel Josh...
STOC
2012
ACM
193views Algorithms» more  STOC 2012»
13 years 7 months ago
A new point of NP-hardness for unique games
d abstract; full version begins on page 13) Ryan O’Donnell∗ John Wright† November 2, 2011 We show that distinguishing 1 2 -satisfiable Unique-Games instances from (3 8 + )-...
Ryan O'Donnell, John Wright
TVCG
2012
181views Hardware» more  TVCG 2012»
13 years 7 months ago
Interactive Image Segmentation Based on Level Sets of Probabilities
—In this paper, we present a robust and accurate algorithm for interactive image segmentation. The level set method is clearly advantageous for image objects with a complex topol...
Yugang Liu, Yizhou Yu
ACL
2012
13 years 7 months ago
Named Entity Disambiguation in Streaming Data
The named entity disambiguation task is to resolve the many-to-many correspondence between ambiguous names and the unique realworld entity. This task can be modeled as a classifi...
Alexandre Davis, Adriano Veloso, Altigran Soares d...
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