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Hastings Greer

3 accepted papers

2025

CARL: A Framework for Equivariant Image Registration

CVPR 2025poster

Image registration estimates spatial correspondences between image pairs. These estimates are typically obtained via numerical optimization or regression by a deep network. A desirable property is that a correspondence estimate (e.g., the true oracle correspondence) for an image pair is maintained u…

2023

GradICON: Approximate Diffeomorphisms via Gradient Inverse Consistency

CVPR 2023poster

We present an approach to learning regular spatial transformations between image pairs in the context of medical image registration. Contrary to optimization-based registration techniques and many modern learning-based methods, we do not directly penalize transformation irregularities but instead pr…

2021

ICON: Learning Regular Maps Through Inverse Consistency

ICCV 2021poster

Learning maps between data samples is fundamental. Applications range from representation learning, image translation and generative modeling, to the estimation of spatial deformations. Such maps relate feature vectors, or map between feature spaces. Well-behaved maps should be regular, which can be…

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