Search Results for author: Marcel Beister

Found 2 papers, 0 papers with code

Metal-conscious Embedding for CBCT Projection Inpainting

no code implementations29 Nov 2022 Fuxin Fan, Yangkong Wang, Ludwig Ritschl, Ramyar Biniazan, Marcel Beister, Björn Kreher, Yixing Huang, Steffen Kappler, Andreas Maier

The existence of metallic implants in projection images for cone-beam computed tomography (CBCT) introduces undesired artifacts which degrade the quality of reconstructed images.

Metal Artifact Reduction

Simulation-Driven Training of Vision Transformers Enabling Metal Segmentation in X-Ray Images

no code implementations17 Mar 2022 Fuxin Fan, Ludwig Ritschl, Marcel Beister, Ramyar Biniazan, Björn Kreher, Tristan M. Gottschalk, Steffen Kappler, Andreas Maier

Since the generation of high quality clinical training is a constant challenge, this study proposes to generate simulated X-ray images based on CT data sets combined with self-designed computer aided design (CAD) implants and make use of convolutional neural network (CNN) and vision transformer (ViT) for metal segmentation.

Segmentation

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