Combining spectral and wavelet texture features for unmanned aerial vehicles remote estimation of rice leaf area index

C Zhou, Y Gong, S Fang, K Yang, Y Peng… - Frontiers in Plant …, 2022 - frontiersin.org
Estimating the crop leaf area index (LAI) accurately is very critical in agricultural remote
sensing, especially in monitoring crop growth and yield prediction. The development of …

Evaluation of leaf N concentration in winter wheat based on discrete wavelet transform analysis

F Li, L Wang, J Liu, Y Wang, Q Chang - Remote Sensing, 2019 - mdpi.com
Leaf nitrogen concentration (LNC) is an important indicator for accurate diagnosis and
quantitative evaluation of plant growth status. The objective was to apply a discrete wavelet …

Automatic classification of normal and sick patients with crackles using wavelet packet decomposition and support vector machine

P Stasiakiewicz, AP Dobrowolski, T Targowski… - … Signal Processing and …, 2021 - Elsevier
Auscultation of the respiratory system–a key system in a human body–is a complicated
procedure and it requires a doctor to have good perception skills and profound experience …

A multi-center clinical trial for wireless stethoscope-based diagnosis and prognosis of children community-acquired pneumonia

D Huang, L Wang, W Wang - IEEE Transactions on Biomedical …, 2023 - ieeexplore.ieee.org
Community-Acquired Pneumonia (CAP) is a significant cause of child mortality globally, due
to the lack of ubiquitous monitoring methods. Clinically, the wireless stethoscope can be a …

A comprehensive guide to selecting suitable wavelet decomposition level and functions in discrete wavelet transform for fault detection in distribution networks

EM Shalby, AY Abdelaziz, ES Ahmed… - Scientific Reports, 2025 - nature.com
The paper presents a comprehensive analysis of the IEEE-16 bus system under different
operating conditions. It discusses the selection of suitable decomposition level and wavelet …

Computational lung sound classification: a review

T Nguyen, F Pernkopf - State of the Art in Neural Networks and Their …, 2023 - Elsevier
Computational lung sound classification (LSC) has attracted attention over many years. The
number of studies on adventious lung sound detection as well as respiratory disease …

Unwrapping the phase portrait features of adventitious crackle for auscultation and classification: a machine learning approach

S Sreejyothi, A Renjini, V Raj, MNS Swapna… - Journal of Biological …, 2021 - Springer
The paper delves into the plausibility of applying fractal, spectral, and nonlinear time series
analyses for lung auscultation. The thirty-five sound signals of bronchial (BB) and pulmonary …

Filter group delays equalization for 2D discrete wavelet transform applications

M Bahoura, H Ezzaidi, JF Méthot - Expert Systems with Applications, 2022 - Elsevier
This paper presents a new approach to perform near-perfect image reconstruction for an
online/real-time two-dimensional discrete wavelet transform (2D-DWT) analysis/synthesis …

Embedded system design for classification of COPD and pneumonia patients by lung sound analysis

SZ Hassan Naqvi, MA Choudhry - Biomedical Engineering …, 2022 - degruyter.com
Chronic obstructive pulmonary disease (COPD) and pneumonia are lethal pulmonary
illnesses with equivocal nature of abnormal pulmonic acoustics. Using lung sound signals …

Comprehensive analysis system for automated respiratory cycle segmentation and crackle peak detection

I McLane, E Lauwers, T Stas… - IEEE journal of …, 2021 - ieeexplore.ieee.org
Digital auscultation is a well-known method for assessing lung sounds, but remains a
subjective process in typical practice, relying on the human interpretation. Several methods …