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cs.SD2022★ 10 cited
Robust Time Series Denoising with Learnable Wavelet Packet Transform
Gaetan Frusque, Olga Fink
Signal denoising is a key preprocessing step for many applications, as the performance of a learning task is closely related to the quality of the input data. In this paper, we app…
cs.SD2022★ 17 cited
Learnable Wavelet Packet Transform for Data-Adapted Spectrograms
Gaetan Frusque, Olga Fink
Capturing high-frequency data concerning the condition of complex systems, e.g. by acoustic monitoring, has become increasingly prevalent. Such high-frequency signals typically con…