FASER: Fault-affected signal energy ratio for fault diagnosis of gearboxes under repetitive operating conditions
Vibration signal analysis is crucial for gearbox fault diagnosis, yet its inherent stochastic
nature can challenge the identification of fault-induced changes amidst signal variability …
nature can challenge the identification of fault-induced changes amidst signal variability …
Unsupervised classification of the spectrogram zeros with an application to signal detection and denoising
Spectrogram zeros, originated by the destructive interference between the components of a
signal in the time–frequency plane, have proven to be a relevant feature to describe the time …
signal in the time–frequency plane, have proven to be a relevant feature to describe the time …
Time-frequency transforms of white noises and Gaussian analytic functions
R Bardenet, A Hardy - Applied and computational harmonic analysis, 2021 - Elsevier
A family of Gaussian analytic functions (GAFs) has recently been linked to the Gabor
transform of Gaussian white noises [4]. This answered pioneering work by Flandrin [10], who …
transform of Gaussian white noises [4]. This answered pioneering work by Flandrin [10], who …
On local chirp rate estimation in noisy multicomponent signals: With an application to mode reconstruction
N Laurent, MA Colominas… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, our goal is to investigate local chirp rate (CR) estimation in noisy
multicomponent signals. The focus is put on improving a specific type of local CR estimator …
multicomponent signals. The focus is put on improving a specific type of local CR estimator …
From point processes to quantum optics and back
Some fifty years ago, in her seminal PhD thesis, Odile Macchi introduced permanental and
determinantal point processes. Her initial motivation was to provide models for the set of …
determinantal point processes. Her initial motivation was to provide models for the set of …
DLNR-SIQA: deep learning-based No-reference stitched image quality assessment
Due to recent advancements in virtual reality (VR) and augmented reality (AR), the demand
for high quality immersive contents is a primary concern for production companies and …
for high quality immersive contents is a primary concern for production companies and …
A covariant, discrete time-frequency representation tailored for zero-based signal detection
B Pascal, R Bardenet - IEEE Transactions on Signal Processing, 2022 - ieeexplore.ieee.org
Recent work in time-frequency analysis proposed to switch the focus from the maxima of the
spectrogram toward its zeros, which, for signals corrupted by Gaussian noise, form a random …
spectrogram toward its zeros, which, for signals corrupted by Gaussian noise, form a random …
Efficient computation of the zeros of the Bargmann transform under additive white noise
We study the computation of the zero set of the Bargmann transform of a signal
contaminated with complex white noise, or, equivalently, the computation of the zeros of its …
contaminated with complex white noise, or, equivalently, the computation of the zeros of its …
Pseudo-Bayesian approach for robust mode detection and extraction based on the STFT
This paper addresses the problem of disentangling nonoverlapping multicomponent signals
from their observation being possibly contaminated by external additive noise. We aim to …
from their observation being possibly contaminated by external additive noise. We aim to …
Sparse off-the-grid computation of the zeros of STFT
The Short Time Fourier Transform (STFT) of white noise present well-known properties
regarding the distribution of its zeroes. In this letter, we propose a method to locate them …
regarding the distribution of its zeroes. In this letter, we propose a method to locate them …