Search Results for author: Moritz Zaiss

Found 5 papers, 1 papers with code

BMapOpt: Optimization of Brain Tissue Probability Maps using a Differentiable MRI Simulator

no code implementations23 Apr 2024 Utkarsh Gupta, Emmanouil Nikolakakis, Moritz Zaiss, Razvan Marinescu

Reconstructing digital brain phantoms in the form of multi-channeled brain tissue probability maps for individual subjects is essential for capturing brain anatomical variability, understanding neurological diseases, as well as for testing image processing methods.

Inductive Bias

A novel image space formalism of Fourier domain interpolation neural networks for noise propagation analysis

no code implementations27 Feb 2024 Peter Dawood, Felix Breuer, Istvan Homolya, Jannik Stebani, Maximilian Gram, Peter M. Jakob, Moritz Zaiss, Martin Blaimer

Noise variance maps obtained from the analytical expression correspond with those obtained via Monte-Carlo simulations, as well as via an auto-differentiation approach.

Scale-Equivariant Deep Learning for 3D Data

1 code implementation12 Apr 2023 Thomas Wimmer, Vladimir Golkov, Hoai Nam Dang, Moritz Zaiss, Andreas Maier, Daniel Cremers

The ability of convolutional neural networks (CNNs) to recognize objects regardless of their position in the image is due to the translation-equivariance of the convolutional operation.

Image Segmentation Medical Image Segmentation +1

Accelerated and Quantitative 3D Semisolid MT/CEST Imaging using a Generative Adversarial Network (GAN-CEST)

no code implementations22 Jul 2022 Jonah Weigand-Whittier, Maria Sedykh, Kai Herz, Jaume Coll-Font, Anna N. Foster, Elizabeth R. Gerstner, Christopher Nguyen, Moritz Zaiss, Christian T. Farrar, Or Perlman

GAN-CEST images from a brain-tumor subject yielded a semi-solid volume fraction and exchange rate NRMSE of 3. 8$\pm$1. 3% and 4. 6$\pm$1. 3%, respectively, and SSIM of 96. 3$\pm$1. 6% and 95. 0$\pm$2. 4%, respectively.

Generative Adversarial Network Magnetic Resonance Fingerprinting +1

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