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Deep Dense and Convolutional Autoencoders for Machine Acoustic Anomaly Detection

Abstract : Recently, there have been advances in using unsupervised learning methods for Acoustic Anomaly Detection (AAD). In this paper, we propose an improved version of two deep AutoEncoders (AE) for unsupervised AAD for six types of working machines, namely Dense and Convolutional AEs. A large set of computational experiments was held, showing that the two proposed deep autoencoders, when combined with a mel-spectrogram sound preprocessing, are quite competitive and outperform a recently proposed AE baseline. Overall, a high-quality class discrimination level was achieved, ranging from 72% to 92%.
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Submitted on : Thursday, July 15, 2021 - 6:09:57 PM
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Gabriel Coelho, Pedro Pereira, Luis Matos, Alexandrine Ribeiro, Eduardo C. Nunes, et al.. Deep Dense and Convolutional Autoencoders for Machine Acoustic Anomaly Detection. 17th IFIP International Conference on Artificial Intelligence Applications and Innovations (AIAI), Jun 2021, Hersonissos, Crete, Greece. pp.337-348, ⟨10.1007/978-3-030-79150-6_27⟩. ⟨hal-03287664⟩



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