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4 papers
Understanding the Curse of Unrolling
Sheheryar Mehmood, Florian Knoll, Peter Ochs
Algorithm unrolling is ubiquitous in machine learning, particularly in hyperparameter optimization and meta-learning, where Jacobians of solution mappings are computed by different…
Zero-shot self-supervised learning of single breath-hold magnetic resonance cholangiopancreatography (MRCP) reconstruction
Jinho Kim, Marcel Dominik Nickel, Florian Knoll
To investigate the feasibility of zero-shot self-supervised learning reconstruction for reducing breath-hold times in magnetic resonance cholangiopancreatography (MRCP). Breath-hol…
Domain Influence in MRI Medical Image Segmentation: spatial versus k-space inputs
Erik Gösche, Reza Eghbali, Florian Knoll +1
Transformer-based networks applied to image patches have achieved cutting-edge performance in many vision tasks. However, lacking the built-in bias of convolutional neural networks…
Deep Learning-based Accelerated MR Cholangiopancreatography without Fully-sampled Data
Jinho Kim, Marcel Dominik Nickel, Florian Knoll
The purpose of this study was to accelerate MR cholangiopancreatography (MRCP) acquisitions using deep learning-based (DL) reconstruction at 3T and 0.55T. A total of 35 healthy vol…