Functional data analysis: An introduction and recent developments

J Gertheiss, D Rügamer, BXW Liew… - Biometrical …, 2024 - Wiley Online Library
Functional data analysis (FDA) is a statistical framework that allows for the analysis of
curves, images, or functions on higher dimensional domains. The goals of FDA, such as …

Bayesian framework for simultaneous registration and estimation of noisy, sparse, and fragmented functional data

J Matuk, K Bharath, O Chkrebtii… - Journal of the American …, 2022 - Taylor & Francis
In many applications, smooth processes generate data that are recorded under a variety of
observational regimes, including dense sampling and sparse or fragmented observations …

[BOOK][B] Object oriented data analysis

JS Marron, IL Dryden - 2021 - taylorfrancis.com
Object Oriented Data Analysis is a framework that facilitates inter-disciplinary research
through new terminology for discussing the often many possible approaches to the analysis …

Elastic analysis of irregularly or sparsely sampled curves

L Steyer, A Stöcker, S Greven - Biometrics, 2023 - Wiley Online Library
We provide statistical analysis methods for samples of curves in two or more dimensions,
where the image, but not the parameterization of the curves, is of interest and suitable …

A stochastic process representation for time war** functions

Y Ma, X Zhou, W Wu - Computational Statistics & Data Analysis, 2024 - Elsevier
Time war** function provides a mathematical representation to measure phase variability
in functional data. Recent studies have developed various approaches to estimate optimal …

Improved data quality and statistical power of trial-level event-related potentials with Bayesian random-shift Gaussian processes

D Pluta, B Hadj-Amar, M Li, Y Zhao, F Versace… - Scientific reports, 2024 - nature.com
Studies of cognitive processes via electroencephalogram (EEG) recordings often analyze
group-level event-related potentials (ERPs) averaged over multiple subjects and trials. This …

Multiple Closed Curve Modeling with Uncertainty Quantification for Shape Analysis

H Luo, JD Strait - SIAM/ASA Journal on Uncertainty Quantification, 2024 - SIAM
In this work, we introduce a multidimensional, multiple-output Gaussian process (GP) model
for statistical shape analysis, specifically addressing the intricate task of characterizing …

Simplifying transforms for general elastic metrics on the space of plane curves

T Needham, S Kurtek - SIAM journal on imaging sciences, 2020 - SIAM
In the shape analysis approach to computer vision problems, one treats shapes as points in
an infinite-dimensional Riemannian manifold, thereby facilitating algorithms for statistical …

Time-lag effect of thermal displacement and its compensation method for long-span bridges

HL Zhou, GD Zhou, ZQ Qiao, B Chen, JL Hu - Journal of Civil Structural …, 2024 - Springer
The time-lag effect between temperature and thermal displacement may induce the
displacement-based safety assessment results of long-span bridges to derivate from the …

Modeling relationships for field strain data under thermal effects using functional data analysis

H Jiang, C Wan, K Yang, Y Ding, S Xue - Measurement, 2021 - Elsevier
In the field of bridge health monitoring, it is ubiquitous to model the relationship for
monitoring data. However, in many cases, especially for concrete bridge structures, field …