Discrete gradient based optimization method for problems on Riemannian manifolds, in particular DTI image denoising
Code repository implementing methods used in the following paper:
Celledoni, E., Eidnes, S., Owren, B., & Ringholm, T. (2018). Dissipative numerical schemes on Riemannian manifolds with applications to gradient flows. SIAM Journal on Scientific Computing, 40(6), A3789-A3806.