Introduction to riemannian geometry and geometric statistics: from basic theory to implementation with geomstats

N Guigui, N Miolane, X Pennec - Foundations and Trends® in …, 2023 - nowpublishers.com
As data is a predominant resource in applications, Riemannian geometry is a natural
framework to model and unify complex nonlinear sources of data. However, the …

Riemannian and stratified geometries on covariance and correlation matrices

Y Thanwerdas - 2022 - hal.science
In many applications, the data can be represented by covariance matrices or correlation
matrices between several signals (EEG, MEG, fMRI), physical quantities (cells, genes), or …

A survey of manifold learning and its applications for multimedia

H Fassold - arXiv preprint arXiv:2310.12986, 2023 - arxiv.org
arXiv:2310.12986v1 [cs.MM] 8 Sep 2023 Page 1 A survey of manifold learning and its
applications for multimedia Hannes Fassold JOANNEUM RESEARCH - DIGITAL hannes.fassold@joanneum.at …

Riemannian data-dependent randomized smoothing for neural networks certification

P Labarbarie, H Hajri, M Arnaudon - arXiv preprint arXiv:2206.10235, 2022 - arxiv.org
Certification of neural networks is an important and challenging problem that has been
attracting the attention of the machine learning community since few years. In this paper, we …

A Metric-based Principal Curve Approach for Learning One-dimensional Manifold

EH Cui, S Shao - arXiv preprint arXiv:2405.12390, 2024 - arxiv.org
Principal curve is a well-known statistical method oriented in manifold learning using
concepts from differential geometry. In this paper, we propose a novel metric-based principal …

Unveiling cellular morphology: statistical analysis using a Riemannian elastic metric in cancer cell image datasets

W Li, A Prasad, N Miolane, K Dao Duc - Information Geometry, 2024 - Springer
Elastic metrics can provide a powerful tool to study the heterogeneity arising from cellular
morphology. To assess their potential application (eg classifying cancer treated cells), we …

Adaptive filter with Riemannian manifold constraint

J Mejia, B Mederos, N Gordillo, L Ortega - Scientific Reports, 2023 - nature.com
The adaptive filtering theory has been extensively developed, and most of the proposed
algorithms work under the assumption of Euclidean space. However, in many applications …

Kinematics Estimation and Evaluation of Carpus From 4D MRI Sequences

N Dang - 2023 - search.proquest.com
This thesis aims to develop a pipeline for studying motion patterns of wrist and identifying
carpal instability. Early detection of carpal instability is important as it can lead to wearing of …

Estimation statistique dans les variétés Riemanniennes: implémentation et application à l'étude des déformations cardiaques

N Guigui - 2021 - theses.fr
Résumé L'étude des formes anatomiques et de leur mouvement est au cœur des
préoccupations dans de nombreuses spécialités de la médecine. En cardiologie, des …

Using a Riemannian elastic metric for statistical analysis of tumor cell shape heterogeneity

W Li, A Prasad, N Miolane, K Dao Duc - International Conference on …, 2023 - Springer
We examine how a specific instance of the elastic metric, the Square Root Velocity (SRV)
metric, can be used to study and compare cellular morphologies from the contours they form …