Search Results for author: Shuwen Wei

Found 5 papers, 1 papers with code

From Registration Uncertainty to Segmentation Uncertainty

no code implementations8 Mar 2024 Junyu Chen, Yihao Liu, Shuwen Wei, Zhangxing Bian, Aaron Carass, Yong Du

Here, we propose a novel framework to concurrently estimate both the epistemic and aleatoric segmentation uncertainties for image registration.

Image Registration Segmentation

MomentaMorph: Unsupervised Spatial-Temporal Registration with Momenta, Shooting, and Correction

no code implementations5 Aug 2023 Zhangxing Bian, Shuwen Wei, Yihao Liu, Junyu Chen, Jiachen Zhuo, Fangxu Xing, Jonghye Woo, Aaron Carass, Jerry L. Prince

We introduce a novel "momenta, shooting, and correction" framework for Lagrangian motion estimation in the presence of repetitive patterns and large motion.

Motion Estimation

On Finite Difference Jacobian Computation in Deformable Image Registration

1 code implementation12 Dec 2022 Yihao Liu, Junyu Chen, Shuwen Wei, Aaron Carass, Jerry Prince

For digital transformations, |J| is commonly approximated using a central difference, but this strategy can yield positive |J|'s for transformations that are clearly not diffeomorphic -- even at the voxel resolution level.

Image Registration

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