3 papers
math.ST2025
Theory and Applications of Kernel Stein's Method on Riemannian Manifolds
Xiaoda Qu, Baba C. Vemuri
Distributional comparison is a fundamental problem in statistical data analysis with numerous applications in a variety of scientific and engineering fields. Numerous methods exist…
eess.IV2025
A Steerable Deep Network for Model-Free Diffusion MRI Registration
Gianfranco Cortes, Xiaoda Qu, Baba C. Vemuri
Nonrigid registration is vital to medical image analysis but remains challenging for diffusion MRI (dMRI) due to its high-dimensional, orientation-dependent nature. While classical…
math.ST2024
Kernel Stein Discrepancy on Lie Groups: Theory and Applications
Xiaoda Qu, Xiran Fan, Baba C. Vemuri
Distributional approximation is a fundamental problem in machine learning with numerous applications across all fields of science and engineering and beyond. The key challenge in m…