no code implementations • 13 Sep 2024 • Yixing Huang, Fuxin Fan, Ahmed Gomaa, Andreas Maier, Rainer Fietkau, Christoph Bert, Florian Putz
Due to the limited size of flat-panel detectors, anatomical structures might be missing outside the limited field-of-view (FOV), which restricts the clinical applications of CBCT systems.
no code implementations • 9 Sep 2024 • Fuxin Fan, Jingna Qiu, Yixing Huang, Andreas Maier
Providing more precise tissue attenuation information, synthetic computed tomography (sCT) generated from magnetic resonance imaging (MRI) contributes to improved radiation therapy treatment planning.
no code implementations • 23 Apr 2024 • Siyuan Mei, Fuxin Fan, Mareike Thies, Mingxuan Gu, Fabian Wagner, Oliver Aust, Ina Erceg, Zeynab Mirzaei, Georgiana Neag, Yipeng Sun, Yixing Huang, Andreas Maier
Recently, X-ray microscopy (XRM) and light-sheet fluorescence microscopy (LSFM) have emerged as two pivotal imaging tools in preclinical research on bone remodeling diseases, offering micrometer-level resolution.
no code implementations • 4 Apr 2024 • Siyuan Mei, Fuxin Fan, Fabian Wagner, Mareike Thies, Mingxuan Gu, Yipeng Sun, Andreas Maier
Deep learning-based medical image processing algorithms require representative data during development.
no code implementations • 5 Mar 2024 • Chang Liu, Fuxin Fan, Annette Schwarz, Andreas Maier
Multi-organ segmentation in medical images is a widely researched task and can save much manual efforts of clinicians in daily routines.
1 code implementation • 29 Jan 2024 • Yipeng Sun, Linda-Sophie Schneider, Fuxin Fan, Mareike Thies, Mingxuan Gu, Siyuan Mei, Yuzhong Zhou, Siming Bayer, Andreas Maier
In this study, we introduce a Fourier series-based trainable filter for computed tomography (CT) reconstruction within the filtered backprojection (FBP) framework.
no code implementations • 29 Jan 2024 • Yuzhong Zhou, Linda-Sophie Schneider, Fuxin Fan, Andreas Maier
We use a U-Net-based architecture for defect segmentation.
no code implementations • 29 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.
no code implementations • 20 Sep 2022 • Siyuan Mei, Fuxin Fan, Andreas Maier
During orthopaedic surgery, the inserting of metallic implants or screws are often performed under mobile C-arm systems.
no code implementations • 17 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.
no code implementations • 13 Feb 2022 • Yixing Huang, Andreas Maier, Fuxin Fan, Björn Kreher, Xiaolin Huang, Rainer Fietkau, Christoph Bert, Florian Putz
The complementary view setting provides a practical way to identify perspectively deformed structures by assessing the deviation between the two views.
no code implementations • 25 Aug 2021 • Fuxin Fan, Björn Kreher, Holger Keil, Andreas Maier, Yixing Huang
For direct detection from distorted markers in reconstructed volumes, an efficient automatic marker detection method using two neural networks and a conventional circle detection algorithm is proposed.
no code implementations • 9 Sep 2020 • Yixing Huang, Fuxin Fan, Christopher Syben, Philipp Roser, Leonid Mill, Andreas Maier
The method trained on conventional cephalograms can be directly applied to landmark detection in the synthetic cephalograms, achieving 93. 0% and 80. 7% successful detection rate in 4 mm precision range for synthetic cephalograms from 3D volumes and 2D projections respectively.