Search Results for author: Christoph Friedli

Found 2 papers, 1 papers with code

Reliable brain morphometry from contrast‐enhanced T1w‐MRI in patients with multiple sclerosis

1 code implementation • Human Brain Mapping 2022 • Michael Rebsamen, Richard McKinley, Piotr Radojewski, Maximilian Pistor, Christoph Friedli, Robert Hoepner, Anke Salmen, Andrew Chan, Mauricio Reyes, Franca Wagner, Roland Wiest, Christian Rummel

The segmentations were derived with FreeSurfer from the non-enhanced image and used as ground truth for the coregistered CE image.

3D Medical Imaging Segmentation Anatomy +4

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Automatic detection of lesion load change in Multiple Sclerosis using convolutional neural networks with segmentation confidence

no code implementations • 5 Apr 2019 • Richard McKinley, Lorenz Grunder, Rik Wepfer, Fabian Aschwanden, Tim Fischer, Christoph Friedli, Raphaela Muri, Christian Rummel, Rajeev Verma, Christian Weisstanner, Mauricio Reyes, Anke Salmen, Andrew Chan, Roland Wiest, Franca Wagner

Instead, we propose a method for identifying lesion changes of high certainty, and establish on a dataset of longitudinal multiple sclerosis cases that this method is able to separate progressive from stable timepoints with a very high level of discrimination (AUC = 0. 99), while changes in lesion volume are much less able to perform this separation (AUC = 0. 71).

Lesion Segmentation

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