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Automated species recognition in environmental recordings

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Queensland University of Technology ePrints Archive
Keywords
  • Automated Species Recognition
  • Animal Call Structure
  • Acoustic Component
  • Acoustic Component Definition
  • Acoustic Component Detection
  • Timed And Probabilistic Automata
  • Syntactic Pattern Recognition
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Abstract

Faunal vocalisations are vital indicators for environmental change and faunal vocalisation analysis can provide information for answering ecological questions. Therefore, automated species recognition in environmental recordings has become a critical research area. This thesis presents an automated species recognition approach named Timed and Probabilistic Automata. A small lexicon for describing animal calls is defined, six algorithms for acoustic component detection are developed, and a series of species recognisers are built and evaluated.The presented automated species recognition approach yields significant improvement on the analysis performance over a real world dataset, and may be transferred to commercial software in the future.

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