Search Results for author: Maximilian Rohleder

Found 5 papers, 2 papers with code

A Realistic Collimated X-Ray Image Simulation Pipeline

no code implementations15 Nov 2024 Benjamin El-Zein, Dominik Eckert, Thomas Weber, Maximilian Rohleder, Ludwig Ritschl, Steffen Kappler, Andreas Maier

Collimator detection remains a challenging task in X-ray systems with unreliable or non-available information about the detectors position relative to the source.

Position

Physics-Informed Learning for Time-Resolved Angiographic Contrast Agent Concentration Reconstruction

no code implementations4 Mar 2024 Noah Maul, Annette Birkhold, Fabian Wagner, Mareike Thies, Maximilian Rohleder, Philipp Berg, Markus Kowarschik, Andreas Maier

In our work, we implicitly include this information in a neural network-based model that is trained on a dataset of image-based blood flow simulations.

Anatomy

Transient Hemodynamics Prediction Using an Efficient Octree-Based Deep Learning Model

no code implementations13 Feb 2023 Noah Maul, Katharina Zinn, Fabian Wagner, Mareike Thies, Maximilian Rohleder, Laura Pfaff, Markus Kowarschik, Annette Birkhold, Andreas Maier

Nevertheless, the prediction of high-resolution transient CFD simulations for complex vascular geometries poses a challenge to conventional deep learning models.

Computational Efficiency Deep Learning +1

On the Benefit of Dual-domain Denoising in a Self-supervised Low-dose CT Setting

1 code implementation2 Nov 2022 Fabian Wagner, Mareike Thies, Laura Pfaff, Oliver Aust, Sabrina Pechmann, Daniela Weidner, Noah Maul, Maximilian Rohleder, Mingxuan Gu, Jonas Utz, Felix Denzinger, Andreas Maier

In this work, we present an end-to-end trainable CT reconstruction pipeline that contains denoising operators in both the projection and the image domain and that are optimized simultaneously without requiring ground-truth high-dose CT data.

Computed Tomography (CT) CT Reconstruction +2

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