Towards automated eye diagnosis: an improved retinal vessel segmentation framework using ensemble block matching 3D filter

K Naveed, F Abdullah, HA Madni, MAU Khan, TM Khan… - Diagnostics, 2021 - mdpi.com
Automated detection of vision threatening eye disease based on high resolution retinal
fundus images requires accurate segmentation of the blood vessels. In this regard, detection …

Data-driven nonstationary signal decomposition approaches: a comparative analysis

T Eriksen, N Rehman - Scientific Reports, 2023 - nature.com
Signal decomposition (SD) approaches aim to decompose non-stationary signals into their
constituent amplitude-and frequency-modulated components. This represents an important …

Multivariate intrinsic chirp mode decomposition

Q Chen, X Lang, L **e, H Su - Signal Processing, 2021 - Elsevier
A multivariate intrinsic chirp mode decomposition (MICMD) algorithm is proposed to process
multivariate/multichannel signals. In contrast to most existing multivariate time-frequency …

Enhanced symplectic geometry mode decomposition and its application to rotating machinery fault diagnosis under variable speed conditions

G Zhang, Y Wang, X Li, B Tang, Y Qin - Mechanical Systems and Signal …, 2022 - Elsevier
Tacholess order tracking (TLOT) has been one of the most powerful and applicable rotating
machinery fault diagnosis methods. However, it is still a challenge to accurately estimate the …

An adaptive CEEMDAN thresholding denoising method optimized by nonlocal means algorithm

S Zhang, H Liu, M Hu, A Jiang, L Zhang… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
A complete ensemble empirical mode decomposition with adaptive noise (CEEMDAN)
thresholding denoising method optimized by nonlocal means (NLM) algorithm is proposed …

Fault detection, identification and reconstruction of sensors in nuclear power plant with optimized PCA method

W Li, M Peng, Y Liu, N Jiang, H Wang, Z Duan - Annals of Nuclear Energy, 2018 - Elsevier
Principal component analysis (PCA) is applied for fault detection, identification and
reconstruction of sensors in a nuclear power plant (NPP) in this paper. Various methods are …

A statistical approach to signal denoising based on data-driven multiscale representation

K Naveed, MT Akhtar, MF Siddiqui… - Digital Signal Processing, 2021 - Elsevier
We develop a data-driven approach for signal denoising that utilizes variational mode
decomposition (VMD) algorithm and Cramer Von Misses (CVM) statistic. In comparison with …

Data-driven multivariate signal denoising using mahalanobis distance

N ur Rehman, B Khan, K Naveed - IEEE Signal Processing …, 2019 - ieeexplore.ieee.org
A novel multivariate signal denoising method is presented that computes Mahalanobis
distance measure at multiple data scales obtained from multivariate empirical mode …

Wavelet based multivariate signal denoising using mahalanobis distance and edf statistics

K Naveed, N ur Rehman - IEEE Transactions on Signal …, 2020 - ieeexplore.ieee.org
A multivariate signal denoising method is proposed which employs a novel multivariate
goodness of fit (GoF) test that is applied at multiple data scales obtained from discrete …

Multiscale image denoising using goodness-of-fit test based on EDF statistics

K Naveed, B Shaukat, S Ehsan, KD Mcdonald-Maier… - PLoS …, 2019 - journals.plos.org
Two novel image denoising algorithms are proposed which employ goodness of fit (GoF)
test at multiple image scales. Proposed methods operate by employing the GoF tests locally …