Neural Networks: A Comprehensive Foundation
Neural Networks: A Comprehensive Foundation
Spectrum estimation by wavelet thresholding of multitaperestimators
IEEE Transactions on Signal Processing
Wavelet transform domain adaptive FIR filtering
IEEE Transactions on Signal Processing
Wavelet transform based adaptive filters: analysis and new results
IEEE Transactions on Signal Processing
De-noising by soft-thresholding
IEEE Transactions on Information Theory
Magnified gradient function with deterministic weight modification in adaptive learning
IEEE Transactions on Neural Networks
Expert Systems with Applications: An International Journal
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In this paper, a type of thresholding method is developed for adaptive noise reduction. Here, we propose a new type thresholding method. Unlike the standard thresholding functions, the new thresholding functions are infinitely differentiable. Gradient-based adaptive learning algorithms are presented to seek the optimal solution for noise reduction. Furthermore, the learning algorithm can be used for any speaker data derived from discrete wavelet transform. It is demonstrated that 94% correct classification rates can be achieved by the use of the first 32 variation features in TALUNG database.