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» A Topological Approach to Recognition
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INTERSPEECH
2010
15 years 1 months ago
Phone mismatch penalty matrices for two-stage keyword spotting via multi-pass phone recognizer
In this paper, we propose a novel approach to estimate three types of phone mismatch penalty matrices for two-state keyword spotting. When the output of a phone recognizer is give...
Chang Woo Han, Shin Jae Kang, Chul Min Lee, Nam So...
JMLR
2010
155views more  JMLR 2010»
15 years 1 months ago
Structured Sparse Principal Component Analysis
We present an extension of sparse PCA, or sparse dictionary learning, where the sparsity patterns of all dictionary elements are structured and constrained to belong to a prespeci...
Rodolphe Jenatton, Guillaume Obozinski, Francis Ba...
JMLR
2010
120views more  JMLR 2010»
15 years 1 months ago
Effective Wrapper-Filter hybridization through GRASP Schemata
Of all of the challenges which face the selection of relevant features for predictive data mining or pattern recognition modeling, the adaptation of computational intelligence tec...
Mohamed Amir Esseghir
CORR
2011
Springer
167views Education» more  CORR 2011»
14 years 10 months ago
The weak password problem: chaos, criticality, and encrypted p-CAPTCHAs
- Vulnerabilities related to weak passwords are a pressing global economic and security issue. We report a novel, simple, and effective approach to address the weak password probl...
T. V. Laptyeva, S. Flach, K. Kladko
ICASSP
2011
IEEE
14 years 10 months ago
Time-constrained sequential pattern discovery for music genre classification
Music consists of both local and long-term temporal information. However, for a genre classification task, most of the text categorization based approaches only capture local temp...
Jia-Min Ren, Jyh-Shing Roger Jang