Narrowband acoustic identification of monospecific fish shoals

  title={Narrowband acoustic identification of monospecific fish shoals},
  author={Carla Scalabrin and N{\"o}el Diner and Alain Weill and Alain Hillion and Marie-Catherine Mouchot},
The extraction of highly discriminant features is crucial for successful species identification of fish shoals if backscattered narrowband signals do indeed contain discriminant information. Four different methods of feature extraction are described and applied to the same data, providing new descriptors expected to improve species identification. Echograms, amplitude probability density function (PDFs) and spectral features are used to describe acoustic images of single shoals. Image… CONTINUE READING
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