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MICROPHONE ARRAY SPEECH ENHANCEMENT BY BAYESIAN ESTIMATION OF SPECTRAL AMPLITUDE AND PHASE
MICROPHONE ARRAY SPEECH ENHANCEMENT BAYESIAN ESTIMATION SPECTRAL AMPLITUDE AND PHASE
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2015/9/29
Microphone arrays provide new opportunities for noise reduction and speech enhancement. This paper presents anovel decomposition of the estimation problems for short-time spectral amplitude (STSA), lo...
MULTI-CHANNEL PSYCHOACOUSTICALLY MOTIVATED SPEECH ENHANCEMENT
MULTI-CHANNEL PSYCHOACOUSTICALLY SPEECH ENHANCEMENT
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2015/9/29
Multichannel techniques offer advantages in noise reduction and overall output signal quality when compared to the well studied mono approaches. In this paper we present an original multichannel psych...
BAYESIAN SINGLE CHANNEL SPEECH ENHANCEMENT EXPLOITING SPARSENESS IN THE ICA DOMAIN
BAYESIAN SINGLE CHANNEL SPEECH ENHANCEMENT EXPLOITING SPARSENESS ICA DOMAIN
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2015/9/29
We propose a Bayesian single channel speech enhancement algorithm to exploit speech sparseness in the independent component analysis (ICA) domain. While recent literature considers the idea of denoisi...
PERFORMANCE ASSESSMENT METHOD FOR SPEECH ENHANCEMENT SYSTEMS
PERFORMANCE ASSESSMENT METHOD SPEECH ENHANCEMENT SYSTEMS
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2015/9/29
A new method to assess noise reduction algorithms with respect to their ability to enhance the perceived quality of speech is presented. Such algorithms consist of both single-microphone systems and m...
BIOMIXING BY CHEMOTAXIS AND ENHANCEMENT OF BIOLOGICAL REACTIONS
CHEMOTAXIS ENHANCEMENT BIOLOGICAL REACTIONS
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2015/7/14
Many processes in biology involve both reactions and chemotaxis. However, to the best of our knowledge, the question of interaction between chemotaxis and reactions has not yet been addressed either a...
PDEs-based method for image enhancement
Complex diffusion Denoising Partial differential equation
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2010/9/10
Removing noise from data is often the first step in data analysis. De-noising technique should not be only reduce the noise, but do so without blurring or changing the location of the edges. Many appr...