Search Results for author: Dieuwertje Alblas

Found 6 papers, 1 papers with code

Global Control for Local SO(3)-Equivariant Scale-Invariant Vessel Segmentation

no code implementations22 Mar 2024 Patryk Rygiel, Dieuwertje Alblas, Christoph Brune, Kak Khee Yeung, Jelmer M. Wolterink

To this end, we propose a combination of a global controller leveraging voxel mask segmentations to provide boundary conditions for vessels of interest to a local, iterative vessel segmentation model.

Segmentation

SIRE: scale-invariant, rotation-equivariant estimation of artery orientations using graph neural networks

no code implementations9 Nov 2023 Dieuwertje Alblas, Julian Suk, Christoph Brune, Kak Khee Yeung, Jelmer M. Wolterink

Hence, SIRE can be trained with arbitrarily oriented vessels with varying radii to generalise to vessels with a wide range of calibres and tortuosity.

Implicit Neural Representations for Modeling of Abdominal Aortic Aneurysm Progression

no code implementations2 Mar 2023 Dieuwertje Alblas, Marieke Hofman, Christoph Brune, Kak Khee Yeung, Jelmer M. Wolterink

We represent the AAA wall over time as the zero-level set of a signed distance function (SDF), estimated by a multilayer perception that operates on space and time.

Going Off-Grid: Continuous Implicit Neural Representations for 3D Vascular Modeling

no code implementations29 Jul 2022 Dieuwertje Alblas, Christoph Brune, Kak Khee Yeung, Jelmer M. Wolterink

This allows us to model complex vascular structures with a representation that is implicit, continuous, light-weight, and easy to integrate with deep learning algorithms.

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