shyam&madhusudhana& chrisneerbe...
TRANSCRIPT
![Page 1: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/1.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
Shyam Madhusudhana Chris/ne Erbe Alexander Gavrilov
THE 7TH INTERNATIONAL WORKSHOP ON DETECTION, CLASSIFICATION, LOCALIZATION, & DENSITY ESTIMATION
13 – 17 JULY, 2015. LA JOLLA, CA
![Page 2: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/2.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
¡ Current PAM trends & how this work differs ¡ Significance ¡ Challenges ¡ Expectations ¡ Solution Plan ¡ Current state of affairs
![Page 3: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/3.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
![Page 4: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/4.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
Marine Mammals
Snapping shrimp
Fish (type 1) chorus
Vessel noise
Fish (type 2) chorus
Mooring
Rain
Wind
![Page 5: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/5.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
Marine Mammals
Snapping shrimp
Fish (type 1) chorus
Vessel noise
Fish (type 2) chorus
Mooring
Rain
Wind
AUTOMATIC
CHARACTERISATION TOOL
Contributions separated by source type
![Page 6: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/6.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
¡ Unified approach to acoustic monitoring ¡ Environmental impact assessments
§ Before and after conditions § Risk of masking
¡ Observe ecosystem dynamics ¡ Archival data – historical perspective ¡ Cues to effects of climate change
![Page 7: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/7.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
¡ Huge Repertoire § sounds of interest (how would you define noise?) § detection/classification/recognition methods
¡ Variations § source behaviour § channel effects
¡ Unknown sounds & sounds previously not encountered
![Page 8: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/8.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
¡ Robustness § varying interference levels § vocalization variations
¡ Flexibility § varying data collection methods
¡ Adaptability § recording sites
¡ Throughput § near real-‐time speeds
![Page 9: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/9.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
Hidden Markov Models
Spectrogram Correlation
Dynamic Time Warping
Neural Networks
Discriminant Function Analysis
Teager-Kaiser Energy Operator
Matched Filters
Cepstral Features
Gaussian Mixture Models
Spectral Analysis
Hilbert-Huang Transform
Spectrogram Edge Detection Classification & Regression Trees
Wavelet Transforms
Entropy Analysis
Rule-based Classifiers
Group Delay Function
![Page 10: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/10.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
Context - big & small
Detect, then classify …
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►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
¡ Tonal Narrowband signals ¡ Continuous Broadband signals ¡ Very-‐short duration signals
Antarctic Blue Whale Earthquake (Boxing Day) Sperm Whale Clicks
![Page 12: Shyam&Madhusudhana& ChrisneErbe Alexander&Gavrilov&cetus.ucsd.edu/dclde/docs/pdfs/Tuesday/9-Madhusudhana.pdf · 2015-11-05 · CENTRE FOR MARINE SCIENCE AND TECHNOLOGY Shyam&Madhusudhana&](https://reader033.vdocuments.site/reader033/viewer/2022060319/5f0cade07e708231d4369958/html5/thumbnails/12.jpg)
►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
* Madhusudhana et al., J. Acoust. Soc. Am. 137 (2015)
*
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►► CENTRE FOR MARINE SCIENCE AND TECHNOLOGY
¡ Questions?