Automated Detection of Dolphin Whistles with Convolutional Networks and Transfer Learning

• URL: http://arxiv.org/abs/2211.15406v1
• Date: Mon, 28 Nov 2022 15:06:46 GMT
• Title: Automated Detection of Dolphin Whistles with Convolutional Networks and Transfer Learning
• Authors: Burla Nur Korkmaz, Roee Diamant, Gil Danino, Alberto Testolin
• Abstract summary: We show that convolutional neural networks can significantly outperform traditional automatic methods in a challenging detection task. The proposed system can detect signals even in the presence of ambient noise, at the same time consistently reducing the likelihood of producing false positives and false negatives.
• Score: 7.52108936537426
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Effective conservation of maritime environments and wildlife management of endangered species require the implementation of efficient, accurate and scalable solutions for environmental monitoring. Ecoacoustics offers the advantages of non-invasive, long-duration sampling of environmental sounds and has the potential to become the reference tool for biodiversity surveying. However, the analysis and interpretation of acoustic data is a time-consuming process that often requires a great amount of human supervision. This issue might be tackled by exploiting modern techniques for automatic audio signal analysis, which have recently achieved impressive performance thanks to the advances in deep learning research. In this paper we show that convolutional neural networks can indeed significantly outperform traditional automatic methods in a challenging detection task: identification of dolphin whistles from underwater audio recordings. The proposed system can detect signals even in the presence of ambient noise, at the same time consistently reducing the likelihood of producing false positives and false negatives. Our results further support the adoption of artificial intelligence technology to improve the automatic monitoring of marine ecosystems.

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