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Applied Sciences
Article . 2017 . Peer-reviewed
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Applied Sciences
Article
License: CC BY
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Applied Sciences
Article . 2017
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Fusion of Linear and Mel Frequency Cepstral Coefficients for Automatic Classification of Reptiles

Authors: Juan Noda; Carlos Travieso; David Sánchez-Rodríguez;

Fusion of Linear and Mel Frequency Cepstral Coefficients for Automatic Classification of Reptiles

Abstract

Bioacoustic research of reptile calls and vocalizations has been limited due to the general consideration that they are voiceless. However, several species of geckos, turtles, and crocodiles are abletoproducesimpleandevencomplexvocalizationswhicharespecies-specific.Thisworkpresents a novel approach for the automatic taxonomic identification of reptiles through their bioacoustics by applying pattern recognition techniques. The sound signals are automatically segmented, extracting each call from the background noise. Then, their calls are parametrized using Linear and Mel Frequency Cepstral Coefficients (LFCC and MFCC) to serve as features in the classification stage. In this study, 27 reptile species have been successfully identified using two machine learning algorithms: K-Nearest Neighbors (kNN) and Support Vector Machine (SVM). Experimental results show an average classification accuracy of 97.78% and 98.51%, respectively.

Keywords

Technology, QH301-705.5, QC1-999, SVM, KNN, reptile vocalization, Bioacoustic taxonomy identification, Biology (General), QD1-999, T, Physics, frequency cepstral coefficients, kNN, 330702 Electroacústica, Reptile vocalization, Engineering (General). Civil engineering (General), biological acoustic analysis, Chemistry, Biological acoustic analysis, Frequency cepstral coefficients, 240114 Taxonomía animal, bioacoustic taxonomy identification, 240601 Bioacústica, TA1-2040

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Average
Top 10%
gold