GPU-based high-performance computing for radiation therapy

X Jia, P Ziegenhein, SB Jiang - Physics in Medicine & Biology, 2014 - iopscience.iop.org
Recent developments in radiotherapy therapy demand high computation powers to solve
challenging problems in a timely fashion in a clinical environment. The graphics processing …

Applications of nonlocal means algorithm in low‐dose X‐ray CT image processing and reconstruction: a review

H Zhang, D Zeng, H Zhang, J Wang, Z Liang… - Medical …, 2017 - Wiley Online Library
Low‐dose X‐ray computed tomography (LDCT) imaging is highly recommended for use in
the clinic because of growing concerns over excessive radiation exposure. However, the CT …

CONRAD—A software framework for cone‐beam imaging in radiology

A Maier, HG Hofmann, M Berger, P Fischer… - Medical …, 2013 - Wiley Online Library
Purpose: In the community of x‐ray imaging, there is a multitude of tools and applications
that are used in scientific practice. Many of these tools are proprietary and can only be used …

Low-dose x-ray tomography through a deep convolutional neural network

X Yang, V De Andrade, W Scullin, EL Dyer… - Scientific reports, 2018 - nature.com
Synchrotron-based X-ray tomography offers the potential for rapid large-scale
reconstructions of the interiors of materials and biological tissue at fine resolution. However …

Ultralow‐parameter denoising: trainable bilateral filter layers in computed tomography

F Wagner, M Thies, M Gu, Y Huang… - Medical …, 2022 - Wiley Online Library
Background Computed tomography (CT) is widely used as an imaging tool to visualize three‐
dimensional structures with expressive bone‐soft tissue contrast. However, CT resolution …

Adaptive iterative reconstruction based on relative total variation for low-intensity computed tomography

C Gong, L Zeng - Signal Processing, 2019 - Elsevier
Low-intensity projections (high-level noise) may degrade computed tomography (CT) image
quality in some applications. CT image reconstruction from projections with low intensity has …

Trainable joint bilateral filters for enhanced prediction stability in low-dose CT

F Wagner, M Thies, F Denzinger, M Gu, M Patwari… - Scientific Reports, 2022 - nature.com
Low-dose computed tomography (CT) denoising algorithms aim to enable reduced patient
dose in routine CT acquisitions while maintaining high image quality. Recently, deep …

X-ray Imaging

M Berger, Q Yang, A Maier - Medical Imaging Systems: An Introductory …, 2018 - Springer
In this chapter, the physical principles of X-rays are introduced. We start with a general
definition of X-rays compared to other well known rays, eg, the visible light. In Sec. 7.2, we …

Comparison of CT noise reduction performances with deep learning-based, conventional, and combined denoising algorithms

ZA Balogh, BJ Kis - Medical Engineering & Physics, 2022 - Elsevier
Conventional noise reduction algorithms have been used in image processing for a very
long time, but recently, deep learning-based algorithms have been shown to significantly …

Limited parameter denoising for low‐dose X‐ray computed tomography using deep reinforcement learning

M Patwari, R Gutjahr, R Raupach, A Maier - Medical Physics, 2022 - Wiley Online Library
Background The use of deep learning has successfully solved several problems in the field
of medical imaging. Deep learning has been applied to the CT denoising problem …