[ABE-L] Seminarios em High Dimensional Data Analysis

[Ronaldo Dias]

Ainda cabe mais um este ano, que bom!!! Aos que puderem comparecer, sejam
bem vindos!


Local: sala 221. IMECC
Data: 13/11/19 às 13hs

Title: Wavelet denoising of broadband pulsed signals via empirical Bayes
thresholding

Author: Michel H. Montoril
Affiliation: Department of Statistics, Federal University of São Carlos,
Brazil

Author: Artur Andriolo
Affiliation: Zoology Department, Federal University of Juiz de Fora, Brazil

Abstract:
Cetacean bioacoustic research is rapidly increasing in importance to answer
questions related to the human contribution on acoustic environmental
changes. Acoustic towed array is a technique using sometimes opportunistic
research vessel platforms in collaboration with other oceanographic
investigations. This situation generates additional noise sources that
affect or partially mask the signal of interest. This compromises the
correct detection and possible classification of the species. In this work,
combined wavelets and empirical Bayes thresholding are used to denoise the
audio recording of odontocetes echolocation clicks. This method was able to
denoise clicks without affecting their features.


-- 
Ronaldo Dias, Ph.D.
Professor
Dept. of Statistics-IMECC, UNICAMP
www.ime.unicamp.br/~dias
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