Riemannian batch normalization for SPD neural networks

D Brooks, O Schwander… - Advances in …, 2019 - proceedings.neurips.cc
Covariance matrices have attracted attention for machine learning applications due to their
capacity to capture interesting structure in the data. The main challenge is that one needs to …

Manifoldnet: A deep neural network for manifold-valued data with applications

R Chakraborty, J Bouza, JH Manton… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Geometric deep learning is a relatively nascent field that has attracted significant attention in
the past few years. This is partly due to the availability of data acquired from non-euclidean …

[HTML][HTML] 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 …

Cpr-gcn: Conditional partial-residual graph convolutional network in automated anatomical labeling of coronary arteries

H Yang, X Zhen, Y Chi, L Zhang… - Proceedings of the …, 2020 - openaccess.thecvf.com
Automated anatomical labeling plays a vital role in coronary artery disease diagnosing
procedure. The main challenge in this problem is the large individual variability inherited in …

Fully-connected network on noncompact symmetric space and ridgelet transform based on helgason-fourier analysis

S Sonoda, I Ishikawa, M Ikeda - International Conference on …, 2022 - proceedings.mlr.press
Neural network on Riemannian symmetric space such as hyperbolic space and the manifold
of symmetric positive definite (SPD) matrices is an emerging subject of research in …

SBI-DHGR: Skeleton-based intelligent dynamic hand gestures recognition

S Narayan, AP Mazumdar, SK Vipparthi - Expert Systems with Applications, 2023 - Elsevier
Hand gesture recognition (HGR) plays a significant role in interpreting the meaning of sign
language, human–computer interaction, and robot control. This paper proposes a real-time …

Building neural networks on matrix manifolds: A Gyrovector space approach

XS Nguyen, S Yang - International Conference on Machine …, 2023 - proceedings.mlr.press
Matrix manifolds, such as manifolds of Symmetric Positive Definite (SPD) matrices and
Grassmann manifolds, appear in many applications. Recently, by applying the theory of …

Vector-valued distance and gyrocalculus on the space of symmetric positive definite matrices

F López, B Pozzetti, S Trettel… - Advances in Neural …, 2021 - proceedings.neurips.cc
We propose the use of the vector-valued distance to compute distances and extract
geometric information from the manifold of symmetric positive definite matrices (SPD), and …

Modeling graphs beyond hyperbolic: Graph neural networks in symmetric positive definite matrices

W Zhao, F Lopez, JM Riestenberg, M Strube… - … Conference on Machine …, 2023 - Springer
Recent research has shown that alignment between the structure of graph data and the
geometry of an embedding space is crucial for learning high-quality representations of the …

A Gyrovector space approach for symmetric positive semi-definite matrix learning

XS Nguyen - European Conference on Computer Vision, 2022 - Springer
Abstract Representation learning with Symmetric Positive Semi-definite (SPSD) matrices
has proven effective in many machine learning problems. Recently, some SPSD neural …