This paper considers the problem of detection of contact calls produced by the critically endangered North Atlantic right whale, Eubalaena glacialis. To reduce computational time, the class of acceptable detectors is constrained by the detectors implemented as a bank of two-dimensional linear FIR filters and using the data spectrogram as the input. The closed form representations for the detectors are derived and the detection performance is compared with that of the generalized likelihood ratio test (GLRT) detector. The test results demonstrate that in the presence of impulsive noise, the spectrogram-based detector using the French hat wavelet as the filter kernel outperforms the GLRT detector and decreases computational time by a factor of 6.
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August 2007
August 01 2007
Acoustic detection of North Atlantic right whale contact calls using spectrogram-based statistics Available to Purchase
Ildar R. Urazghildiiev;
Ildar R. Urazghildiiev
a)
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999
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Christopher W. Clark
Christopher W. Clark
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999
Search for other works by this author on:
Ildar R. Urazghildiiev
a)
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999
Christopher W. Clark
Bioacoustics Research Program,
Cornell Laboratory of Ornithology
, Ithaca, New York 14850-1999a)
Electronic mail: [email protected]
J. Acoust. Soc. Am. 122, 769–776 (2007)
Article history
Received:
November 20 2006
Accepted:
May 14 2007
Citation
Ildar R. Urazghildiiev, Christopher W. Clark; Acoustic detection of North Atlantic right whale contact calls using spectrogram-based statistics. J. Acoust. Soc. Am. 1 August 2007; 122 (2): 769–776. https://doi.org/10.1121/1.2747201
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