Few-shot bioacoustic event detection at the DCASE 2023 challenge

Ines Nolasco, Burooj Ghani, Shubhr Singh, Ester Vidaña-Vila, Helen Whitehead, Emily Grout, Michael Emmerson, Frants Jensen, Ivan Kiskin, Joe Morford, Ariana Strandburg-Peshkin, Lisa Gill, Hanna Pamuła, Vincent Lostanlen, Dan Stowell

Research output: Contribution to conferencePaperScientificpeer-review

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Abstract

Few-shot bioacoustic event detection consists in detecting sound events of specified types, in varying soundscapes, while having access to only a few examples of the class of interest. This task ran as part of the DCASE challenge for the third time this year with an evaluation set expanded to include new animal species, and a new rule: ensemble models were no longer allowed. The 2023 few shot task received submissions from 6 different teams with F-scores reaching as high as 63% on the evaluation set. Here we describe the task, focusing on describing the elements that differed from previous years. We also take a look back at past editions to describe how the task has evolved. Not only have the F-score results steadily improved (40% to 60% to 63%), but the type of systems proposed have also become more complex. Sound event detection systems are no longer simple variations of the baselines provided: multiple few-shot learning methodologies are still strong contenders for the task.
Original languageEnglish
Number of pages5
Publication statusPublished - 15 Jun 2023
EventDetection and Classification of Acoustic Scenes and Events 2023 - Tampere, Finland
Duration: 21 Sept 202322 Sept 2023

Conference

ConferenceDetection and Classification of Acoustic Scenes and Events 2023
Abbreviated titleDCASE 2023 workshop
Country/TerritoryFinland
CityTampere
Period21/09/2322/09/23

Keywords

  • cs.SD
  • cs.LG
  • eess.AS

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