An introduction with medical applications to functional data analysis

H Sørensen, J Goldsmith, LM Sangalli - Statistics in medicine, 2013 - Wiley Online Library
Functional data are data that can be represented by suitable functions, such as curves
(potentially multi‐dimensional) or surfaces. This paper gives an introduction to some basic …

K-mean alignment for curve clustering

LM Sangalli, P Secchi, S Vantini, V Vitelli - Computational Statistics & Data …, 2010 - Elsevier
The problem of curve clustering when curves are misaligned is considered. A novel
algorithm is described, which jointly clusters and aligns curves. The proposed procedure …

A rational approach to defining principal axes of multidirectional wall shear stress in realistic vascular geometries, with application to the study of the influence of …

U Morbiducci, D Gallo, S Cristofanelli, R Ponzini… - Journal of …, 2015 - Elsevier
The distribution of arterial lesions is attributed by the prevalent mechanistic theory to the
proatherogenic role played by low and oscillatory wall shear stress (WSS). However …

A case study in exploratory functional data analysis: geometrical features of the internal carotid artery

LM Sangalli, P Secchi, S Vantini… - Journal of the American …, 2009 - Taylor & Francis
This pilot study is a product of the AneuRisk Project, a scientific program that aims at
evaluating the role of vascular geometry and hemodynamics in the pathogenesis of cerebral …

Complex geometries in additive manufacturing: A new solution for lattice structure modeling and monitoring

BM Colosimo, M Grasso, F Garghetti… - Journal of Quality …, 2022 - Taylor & Francis
The production of novel types of complex shapes is nowadays enabled by new
manufacturing paradigms such as additive manufacturing, also known as 3D printing. The …

Local polynomial regression for symmetric positive definite matrices

Y Yuan, H Zhu, W Lin, JS Marron - Journal of the Royal …, 2012 - academic.oup.com
Local polynomial regression has received extensive attention for the non-parametric
estimation of regression functions when both the response and the covariate are in …

Classification of EEG signals: An interpretable approach using functional data analysis

Y Yi, N Billor, M Liang, X Cao, A Ekstrom… - Journal of Neuroscience …, 2022 - Elsevier
Electroencephalography (EEG) is a noninvasive method to record electrical activity of the
brain. The EEG data is continuous flow of voltages, in this paper, we consider them as …

An insight into the mechanistic role of the common carotid artery on the hemodynamics at the carotid bifurcation

D Gallo, DA Steinman, U Morbiducci - Annals of biomedical engineering, 2015 - Springer
The rationale for this study lies in the well-known predilection for vascular disease of the
carotid bifurcation, attributed to an altered shear stress distribution at the luminal surface and …

Shape analysis of Euclidean curves under frenet-serret framework

P Chassat, J Park, N Brunel - Proceedings of the IEEE/CVF …, 2023 - openaccess.thecvf.com
Geometric frameworks for analyzing curves are common in applications as they focus on
invariant features and provide visually satisfying solutions to standard problems such as …

Spatial regression models over two-dimensional manifolds

B Ettinger, S Perotto, LM Sangalli - Biometrika, 2016 - academic.oup.com
We propose a regression model for data spatially distributed over general two-dimensional
Riemannian manifolds. This is a generalized additive model with a roughness penalty term …