Shape-based functional data analysis

Y Wu, C Huang, A Srivastava - Test, 2024 - Springer
Functional data analysis (FDA) is a fast-growing area of research and development in
statistics. While most FDA literature imposes the classical L 2 Hilbert structure on function …

Analysis of multi-condition single-cell data with latent embedding multivariate regression

C Ahlmann-Eltze, W Huber - Nature Genetics, 2025 - nature.com
Identifying gene expression differences in heterogeneous tissues across conditions is a
fundamental biological task, enabled by multi-condition single-cell RNA sequencing (RNA …

Regression models on Riemannian symmetric spaces

E Cornea, H Zhu, P Kim, JG Ibrahim… - Journal of the Royal …, 2017 - Wiley Online Library
The paper develops a general regression framework for the analysis of manifold‐valued
response in a Riemannian symmetric space (RSS) and its association with multiple …

Orientation probabilistic movement primitives on riemannian manifolds

L Rozo, V Dave - Conference on Robot Learning, 2022 - proceedings.mlr.press
Learning complex robot motions necessarily demands to have models that are able to
encode and retrieve full-pose trajectories when tasks are defined in operational spaces …

R-mixup: Riemannian mixup for biological networks

X Kan, Z Li, H Cui, Y Yu, R Xu, S Yu, Z Zhang… - Proceedings of the 29th …, 2023 - dl.acm.org
Biological networks are commonly used in biomedical and healthcare domains to effectively
model the structure of complex biological systems with interactions linking biological entities …

Learning distributions of shape trajectories from longitudinal datasets: a hierarchical model on a manifold of diffeomorphisms

A Bône, O Colliot, S Durrleman - Proceedings of the IEEE …, 2018 - openaccess.thecvf.com
We propose a method to learn a distribution of shape trajectories from longitudinal data, ie
the collection of individual objects repeatedly observed at multiple time-points. The method …

A statistical recurrent model on the manifold of symmetric positive definite matrices

R Chakraborty, CH Yang, X Zhen… - Advances in neural …, 2018 - proceedings.neurips.cc
In a number of disciplines, the data (eg, graphs, manifolds) to be analyzed are non-
Euclidean in nature. Geometric deep learning corresponds to techniques that generalize …

Wrapped Gaussian process regression on Riemannian manifolds

A Mallasto, A Feragen - Proceedings of the IEEE …, 2018 - openaccess.thecvf.com
Gaussian process (GP) regression is a powerful tool in non-parametric regression providing
uncertainty estimates. However, it is limited to data in vector spaces. In fields such as shape …

Unraveling the single tangent space fallacy: An analysis and clarification for applying Riemannian geometry in robot learning

N Jaquier, L Rozo, T Asfour - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
In the realm of robotics, numerous downstream robotics tasks leverage machine learning
methods for processing, modeling, or synthesizing data. Often, this data comprises variables …

A Riemannian take on human motion analysis and retargeting

H Klein, N Jaquier, A Meixner… - 2022 IEEE/RSJ …, 2022 - ieeexplore.ieee.org
Dynamic motions of humans and robots are widely driven by posture-dependent nonlinear
interactions between their degrees of freedom. However, these dynamical effects remain …