Search Results for author: Francois-Xavier Vialard

Found 5 papers, 4 papers with code

uniGradICON: A Foundation Model for Medical Image Registration

1 code implementation9 Mar 2024 Lin Tian, Hastings Greer, Roland Kwitt, Francois-Xavier Vialard, Raul San Jose Estepar, Sylvain Bouix, Richard Rushmore, Marc Niethammer

We therefore propose uniGradICON, a first step toward a foundation model for registration providing 1) great performance \emph{across} multiple datasets which is not feasible for current learning-based registration methods, 2) zero-shot capabilities for new registration tasks suitable for different acquisitions, anatomical regions, and modalities compared to the training dataset, and 3) a strong initialization for finetuning on out-of-distribution registration tasks.

Image Registration Medical Image Registration

ICON: Learning Regular Maps Through Inverse Consistency

2 code implementations ICCV 2021 Hastings Greer, Roland Kwitt, Francois-Xavier Vialard, Marc Niethammer

We explore if it is possible to obtain spatial regularity using an inverse consistency loss only and elucidate what explains map regularity in such a context.

Representation Learning Translation

A Dimension-free Computational Upper-bound for Smooth Optimal Transport Estimation

no code implementations13 Jan 2021 Adrien Vacher, Boris Muzellec, Alessandro Rudi, Francis Bach, Francois-Xavier Vialard

It is well-known that plug-in statistical estimation of optimal transport suffers from the curse of dimensionality.

Statistics Theory Optimization and Control Statistics Theory 62G05

Metric Learning for Image Registration

1 code implementation CVPR 2019 Marc Niethammer, Roland Kwitt, Francois-Xavier Vialard

Our approach is a radical departure from existing deep learning approaches to image registration by embedding a deep learning model in an optimization-based registration algorithm to parameterize and data-adapt the registration model itself.

Deformable Medical Image Registration Diffeomorphic Medical Image Registration +2

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