Local trend analysis method of hydrological time series based on piecewise linear representation and hypothesis test

Y **e, S Liu, S Huang, H Fang, M Ding, C Huang… - Journal of Cleaner …, 2022 - Elsevier
It is important to analyze the nonstationarity of hydrological time series under the influence of
climate change and human activities. Compared with previous studies, this study focuses …

Introduction to Healthcare-Oriented Monitoring of Persons

J Wagner, P Mazurek, RZ Morawski - Non-invasive Monitoring of Elderly …, 2022 - Springer
Abstract Systems for healthcare-oriented monitoring may contribute to the improvement of
the quality of life of elderly persons and to the reduction of the public expenditures on …

On characterizing scale effect of Chinese mutual funds via text mining

H Wang, J Wu, S Yuan, J Chen - Signal Processing, 2016 - Elsevier
This paper investigates the correlation between mutual funds׳ scale and return in China by
text mining on the sheer volume of online financial reports. We crawl the webpages of all …

A minimal cardinality solution to fitting sawtooth piecewise-linear functions

C Allen, M de Oliveira - Journal of Optimization Theory and Applications, 2022 - Springer
In this paper, we explore a method to parameterize a linear function with jump
discontinuities, which we refer to as a “sawtooth” function, and then develop theory and …

Regularised differentiation of measurement data in systems for monitoring of human movements

J Wagner, P Mazurek, A Miękina… - … Signal Processing and …, 2018 - Elsevier
The research reported in this paper is related to assistive technologies that may be used by
healthcare institutions for monitoring movements of elderly persons. The corresponding …

Highly efficient hierarchical online nonlinear regression using second order methods

BC Civek, I Delibalta, SS Kozat - Signal Processing, 2017 - Elsevier
We introduce highly efficient online nonlinear regression algorithms that are suitable for real
life applications. We process the data in a truly online manner such that no storage is …

[BUCH][B] Remote Health Monitoring of Gas Turbines: Mathematical Modeling and Numerical Optimization Techniques

CW Allen - 2020 - search.proquest.com
This dissertation is a repository of techniques employed in the health management of
industrial gas turbines. The first chapters cover methods of diagnostics using statistics and …

Piecewise linear slope estimation

AN Ingle, WA Sethares, T Varghese… - 2014 48th Asilomar …, 2014 - ieeexplore.ieee.org
This paper presents a method for directly estimating slope values in a noisy piecewise linear
function. By imposing a Markov structure on the sequence of slopes, piecewise linear fitting …

A kernel smoothing algorithm for ablation visualization in ultrasound elastography

AN Ingle, T Varghese - Ultrasonics, 2019 - Elsevier
Three-dimensional visualization of tumor ablation procedures have significant clinical value
because the ability to accurately visualize ablated volumes can help clinicians gauge the …

Sequential Regression Techniques with Second Order Methods

BC Civek - 2017 - search.proquest.com
Sequential regression problem is one of the widely investigated topics in the machine
learning and the signal processing literatures. In order to adequately model the underlying …