An improved empirical wavelet transform and sensitive components selecting method for bearing fault

Q Liu, J Yang, K Zhang - Measurement, 2022 - Elsevier
The empirical wavelet transform (EWT) has made outstanding contributions in the field of
fault diagnosis. However, when EWT processes complex signals, there may be modal …

Combination time-frequency and empirical wavelet transform methods for removal of composite noise in EMG signals

S Elouaham, B Nassiri, A Dliou… - TELKOMNIKA …, 2023 - telkomnika.uad.ac.id
Electromyography (EMG) measures the electrical activity in muscles during movement. An
electromyography machine records the electrical signals from the muscle's movements as …

Variable spectral segmentation empirical wavelet transform for noisy signal processing

K Zhang, L Shi, Y Hu, P Chen, Y Xu - Digital Signal Processing, 2021 - Elsevier
Empirical wavelet transform (EWT) can successfully decompose a smooth or noise-free
simulated signal into several components. This method has encountered difficulties in …

An improved dark channel defogging algorithm based on the HSI colour space

Y Cui, S Zhi, W Liu, J Deng, J Ren - IET Image Processing, 2022 - Wiley Online Library
When the traditional dark channel prior (DCP) algorithm is used for image defogging, it faces
some problems such as unsatisfactory restoration of the target edge details, distortion in …

Empirical Wavelet Transform Based ECG Signal Filtering Method

S Elouaham, A Dliou, W Jenkal… - Journal of Electrical …, 2024 - Wiley Online Library
The electrocardiogram (ECG) is a diagnostic tool that provides insights into the heart's
electrical activity and overall health. However, internal and external noises complicate …

[HTML][HTML] Research on a Recognition Algorithm for Traffic Signs in Foggy Environments Based on Image Defogging and Transformer

Z Liu, J Yan, J Zhang - Sensors, 2024 - mdpi.com
The efficient and accurate identification of traffic signs is crucial to the safety and reliability of
active driving assistance and driverless vehicles. However, the accurate detection of traffic …

Sparse coding and improved dark channel prior-based deep CNN model for enhancing visibility of foggy images

R Suganya, R Kanagavalli - International Journal of Information …, 2022 - Springer
The images captured in an outdoor environment have the possibility of being degraded in
the presence of air particles that scatters and absorbs light. This degradation of images …

Adaptive Bright and Dark Channel Combined with Defogging Algorithm Based on Depth of Field

S Wang, T Yang, W Sun, X Lu, D Fan - Journal of Sensors, 2022 - Wiley Online Library
Aiming at the problem that the dark channel prior algorithm is not ideal in removing fog at the
distant view and the sudden change of depth, this paper proposes an adaptive bright and …

End-to-end dehazing of traffic sign images using reformulated atmospheric scattering model

R Song, Z Liu, C Wang - Journal of Intelligent & Fuzzy Systems, 2021 - content.iospress.com
As an advanced machine vision task, traffic sign recognition is of great significance to the
safe driving of autonomous vehicles. Haze has seriously affected the performance of traffic …

Combination method for denoising EMG signals using EWT and EMD techniques

S Elouaham, A Dliou, B Nassiri… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Electromyography (EMG) is a diagnostic tool commonly used to assess the electrical activity
of muscles. This test can help diagnose various neuromuscular conditions, evaluate muscle …