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ICASSP
2009
IEEE
14 years 4 months ago
Sparse decomposition of mixed audio signals by basis pursuit with autoregressive models
We develop a framework to detect when certain sounds are present in a mixed audio signal. We focus on the regime where out of a large number of possible sounds, a small but unknow...
Youngmin Cho, Lawrence K. Saul
ICASSP
2009
IEEE
14 years 4 months ago
RLS-weighted Lasso for adaptive estimation of sparse signals
The batch least-absolute shrinkage and selection operator (Lasso) has well-documented merits for estimating sparse signals of interest emerging in various applications, where obse...
Daniele Angelosante, Georgios B. Giannakis
KBSE
2009
IEEE
14 years 4 months ago
ReAssert: Suggesting Repairs for Broken Unit Tests
—Developers often change software in ways that cause tests to fail. When this occurs, developers must determine whether failures are caused by errors in the code under test or in...
Brett Daniel, Vilas Jagannath, Danny Dig, Darko Ma...
ICDM
2009
IEEE
117views Data Mining» more  ICDM 2009»
14 years 4 months ago
Discriminative Mixed-Membership Models
Although mixed-membership models have achieved great success in unsupervised learning, they have not been widely applied to classification problems. In this paper, we propose a f...
Hanhuai Shan, Arindam Banerjee, Nikunj C. Oza
WEBI
2009
Springer
14 years 4 months ago
Improving Movie Gross Prediction through News Analysis
—Traditional movie gross predictions are based on numerical and categorical movie data. But since the 1990s, text sources such as news have been proven to carry extra and meaning...
Wenbin Zhang, Steven Skiena