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ICASSP
2008
IEEE
16 years 16 days ago
Unsupervised learning of auditory filter banks using non-negative matrix factorisation
Non-negative matrix factorisation (NMF) is an unsupervised learning technique that decomposes a non-negative data matrix into a product of two lower rank non-negative matrices. Th...
Alexander Bertrand, Kris Demuynck, Veronique Stout...
CLEAR
2007
Springer
140views Biometrics» more  CLEAR 2007»
16 years 8 days ago
The Rich Transcription 2007 Meeting Recognition Evaluation
We present the design and results of the Spring 2007 (RT-07) Rich Transcription Meeting Recognition Evaluation; the fifth in a series of community-wide evaluations of language tech...
Jonathan G. Fiscus, Jerome Ajot, John S. Garofolo
ICDAR
2009
IEEE
15 years 3 months ago
Evaluation of Different Strategies to Optimize an HMM-Based Character Recognition System
Different strategies for combination of complementary features in an HMM-based method for handwritten character recognition are evaluated. In addition, a noise reduction method is...
Murilo Santos, Albert Hung-Ren Ko, Luiz S. Oliveir...
NOLISP
2007
Springer
16 years 7 days ago
A Hybrid Genetic-Neural Front-End Extension for Robust Speech Recognition over Telephone Lines
This paper presents a hybrid technique combining the Karhonen-Loeve Transform (KLT), the Multilayer Perceptron (MLP) and Genetic Algorithms (GAs) to obtain less-variant Mel-freque...
Sid-Ahmed Selouani, Habib Hamam, Douglas D. O'Shau...
TIP
2011
137views more  TIP 2011»
15 years 17 days ago
Boosting Color Feature Selection for Color Face Recognition
—This paper introduces the new color face recognition (FR) method that makes effective use of boosting learning as color-component feature selection framework. The proposed boost...
Jae Young Choi, Yong Man Ro, Konstantinos N. Plata...