Search Results for author: Marko Rak

Found 5 papers, 1 papers with code

Predicting 4D Liver MRI for MR-guided Interventions

no code implementations25 Feb 2022 Gino Gulamhussene, Anneke Meyer, Marko Rak, Oleksii Bashkanov, Jazan Omari, Maciej Pech, Christian Hansen

Our method can be used in two ways: First, it can reconstruct near real-time 4D MRI with high quality and high resolution (209x128x128 matrix size with isotropic 1. 8mm voxel size and 0. 6s/volume) given a dynamic interventional 2D navigator slice for guidance during an intervention.

4D reconstruction MRI Reconstruction

Uncertainty-Aware Temporal Self-Learning (UATS): Semi-Supervised Learning for Segmentation of Prostate Zones and Beyond

no code implementations8 Apr 2021 Anneke Meyer, Suhita Ghosh, Daniel Schindele, Martin Schostak, Sebastian Stober, Christian Hansen, Marko Rak

Various convolutional neural network (CNN) based concepts have been introduced for the prostate's automatic segmentation and its coarse subdivision into transition zone (TZ) and peripheral zone (PZ).

Hippocampus Lesion Segmentation +4

Learning Multi-Modal Volumetric Prostate Registration with Weak Inter-Subject Spatial Correspondence

no code implementations9 Feb 2021 Oleksii Bashkanov, Anneke Meyer, Daniel Schindele, Martin Schostak, Klaus Tönnies, Christian Hansen, Marko Rak

We show that the combination of mDSC and SDM similarity measures results in a more accurate and natural transformation pattern together with a stronger gradient coverage.

Image Registration Segmentation +1

Anisotropic 3D Multi-Stream CNN for Accurate Prostate Segmentation from Multi-Planar MRI

1 code implementation23 Sep 2020 Anneke Meyer, Grzegorz Chlebus, Marko Rak, Daniel Schindele, Martin Schostak, Bram van Ginneken, Andrea Schenk, Hans Meine, Horst K. Hahn, Andreas Schreiber, Christian Hansen

Background and Objective: Accurate and reliable segmentation of the prostate gland in MR images can support the clinical assessment of prostate cancer, as well as the planning and monitoring of focal and loco-regional therapeutic interventions.

Hyperparameter Optimization Segmentation

4D MRI: Robust sorting of free breathing MRI slices for use in interventional settings

no code implementations4 Oct 2019 Gino Gulamhussene, Fabian Joeres, Marko Rak, Maciej Pech, Christian Hansen

Interventional radiologists perceive the reconstruction quality of our method as higher compared to the baseline (262. 5 points vs. 217. 5 points, p=0. 02).

MRI Reconstruction

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