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ISCAS
2003
IEEE
124views Hardware» more  ISCAS 2003»
10 years 4 months ago
Improving the filter bank of a classic speech feature extraction algorithm
The most popular speech feature extractor used in automatic speech recognition (ASR) systems today is the mel frequency cepstral coef´Čücient (mfcc) algorithm. Introduced in 1980,...
Mark D. Skowronski, John G. Harris
EVOW
2006
Springer
10 years 3 months ago
Evolutionary Singularity Filter Bank Optimization for Fingerprint Image Enhancement
Singularity is the special feature of fingerprints for identification and classification. Since the performance of singularity extraction depends on the quality of fingerprint imag...
Ung-Keun Cho, Jin-Hyuk Hong, Sung-Bae Cho
ICASSP
2010
IEEE
9 years 11 months ago
Acoustic front-end optimization for bird species recognition
The goal of this work was to explore the optimization of the feature extraction module (front-end) parameters to improve bird species recognition. We explored optimizing the spect...
Martin Graciarena, Michelle Delplanche, Elizabeth ...
MICAI
2007
Springer
10 years 5 months ago
An EM Algorithm to Learn Sequences in the Wavelet Domain
The wavelet transform has been used for feature extraction in many applications of pattern recognition. However, in general the learning algorithms are not designed taking into acc...
Diego H. Milone, Leandro E. Di Persia
SIGIR
2003
ACM
10 years 4 months ago
Text categorization by boosting automatically extracted concepts
Term-based representations of documents have found widespread use in information retrieval. However, one of the main shortcomings of such methods is that they largely disregard le...
Lijuan Cai, Thomas Hofmann
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