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SIAMJO
2010
127views more  SIAMJO 2010»
13 years 2 months ago
Trace Norm Regularization: Reformulations, Algorithms, and Multi-Task Learning
We consider a recently proposed optimization formulation of multi-task learning based on trace norm regularized least squares. While this problem may be formulated as a semidefini...
Ting Kei Pong, Paul Tseng, Shuiwang Ji, Jieping Ye
SIGPRO
2010
58views more  SIGPRO 2010»
13 years 6 months ago
Signal-dependent constraints for perceptually motivated suppression of late reverberation
—The suppression of late reverberation by spectral subtraction tends to degrade disproportionally low-level signal regions and signal transients. This work proposes two novel rel...
Alexandros Tsilfidis, John Mourjopoulos
GECCO
2009
Springer
113views Optimization» more  GECCO 2009»
14 years 2 months ago
Environmental robustness in multi-agent teams
Evolution has proven to be an effective method of training heterogeneous multi-agent teams of autonomous agents to explore unknown environments. Autonomous, heterogeneous agents ...
Terence Soule, Robert B. Heckendorn
ICCV
2009
IEEE
15 years 3 days ago
Recovering Planar Homographies between 2D Shapes
Images taken from different views of a planar object are related by planar homography. Recovering the parameters of such transformations is a fundamental problem in computer vis...
Jozsef Nemeth, Csaba Domokos, Zoltan Kato
ESA
2010
Springer
163views Algorithms» more  ESA 2010»
13 years 9 months ago
On the Huffman and Alphabetic Tree Problem with General Cost Functions
We study a wide generalization of two classical problems, the Huffman Tree and Alphabetic Tree Problem. We assume that the cost caused by the ith leaf is fi(di), where di is its d...
Hiroshi Fujiwara, Tobias Jacobs