A DDoS attack detection and countermeasure scheme based on DWT and auto-encoder neural network for SDN

RF Fouladi, O Ermiş, E Anarim - Computer Networks, 2022 - Elsevier
Abstract Software Defined Networking provides new functionalities to easily manage,
configure, and optimize network resources by introducing a clear separation between the …

Short-time Fourier transform with the window size fixed in the frequency domain

C Mateo, JA Talavera - Digital Signal Processing, 2018 - Elsevier
Abstract The Short-Time Fourier Transform (STFT) is widely used to convert signals from the
time domain into a time–frequency representation. This representation has well-known …

Feature extraction from EEG spectrograms for epileptic seizure detection

R Ramos-Aguilar, JA Olvera-López… - Pattern Recognition …, 2020 - Elsevier
Identification of EEG signals is currently an open problem where performance analysis in
terms of accuracy is relevant in several fields, such as biomedicine and brain computer …

Classifying marine mammals signal using cubic splines interpolation combining with triple loss variational auto-encoder

NH Bach, LH Vu, VD Nguyen, DP Pham - Scientific Reports, 2023 - nature.com
In practical applications of passive sonar principles for extracting characteristic frequencies
of acoustic signals, scientists typically employ traditional time-frequency domain …

Bridging the gap between the short-time Fourier transform (STFT), wavelets, the constant-Q transform and multi-resolution STFT

C Mateo, JA Talavera - Signal, Image and Video Processing, 2020 - Springer
The short-time Fourier transform (STFT) is extensively used to convert signals from the time-
domain into the time–frequency domain. However, the standard STFT has the drawback of …

Experimental study on dynamic characteristics of axial-torsional coupled percussive drilling

Z Mu, Z Huang, Z Sun, X Wu, G Li, X Song - Journal of Petroleum Science …, 2022 - Elsevier
Axial-torsional coupled percussive drilling is a novel technology to enhance the rate of
penetration (ROP), which takes advantage of both axial and torsional percussive drilling …

Spectrum representation based on STFT

X Wang, T Ying, W Tian - 2020 13th International Congress on …, 2020 - ieeexplore.ieee.org
A new spectrum representation method based on short time Fourier transform (STFT) is
proposed. The formula of new spectrum representation is derived base on energy cumulant …

2D spectrogram analysis using vision transformer to detect mispronounced Arabic utterances for children

MA Sadik, AS ElSayed, SM Moussa, ZT Fayed - Applied Soft Computing, 2024 - Elsevier
Pronunciation feedback is essential for teaching languages to children, urging the need to
create computer-assisted pronunciation training (CAPT) systems to automate this process …

Radar emitter recognition based on the energy cumulant of short time Fourier transform and reinforced deep belief network

X Wang, G Huang, Z Zhou, W Tian, J Yao, J Gao - Sensors, 2018 - mdpi.com
To cope with the complex electromagnetic environment and varied signal styles, a novel
method based on the energy cumulant of short time Fourier transform and reinforced deep …

A denoising and fourier transformation-based spectrograms in ECG classification using convolutional neural network

MF Safdar, RM Nowak, P Pałka - Sensors, 2022 - mdpi.com
The non-invasive electrocardiogram (ECG) signals are useful in heart condition assessment
and are found helpful in diagnosing cardiac diseases. However, traditional ways, ie, a …