Abstract
Chirplet transform performance to identify low-frequency blue whale calls is tested with simulations and observations from North-West Atlantic. The three different calls are simulated using linear or quadratic frequency sweeping chirps and a hanning window. The performance of Chirplet transform to accurately estimate the chirp parameters with or without noise is first assessed. Then the performance to classify the real vocalizations from the test dataset using the three features best estimated from the simulations is then assessed. The method has a high classification rate and appears promising to efficiently identify these blue whale signature vocalizations with a reduced number of parameters, even under low signal to noise ratios.
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© 2008 Springer-Verlag Berlin Heidelberg
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Bahoura, M., Simard, Y. (2008). Chirplet Transform Applied to Simulated and Real Blue Whale (Balaenoptera musculus) Calls. In: Elmoataz, A., Lezoray, O., Nouboud, F., Mammass, D. (eds) Image and Signal Processing. ICISP 2008. Lecture Notes in Computer Science, vol 5099. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69905-7_34
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DOI: https://doi.org/10.1007/978-3-540-69905-7_34
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