Shading correction for on‐board cone‐beam CT in radiation therapy using planning MDCT images
Purpose: Applications of cone‐beam CT (CBCT) to image‐guided radiation therapy (IGRT)
are hampered by shading artifacts in the reconstructed images. These artifacts are mainly …
are hampered by shading artifacts in the reconstructed images. These artifacts are mainly …
Shading correction algorithm for improvement of cone-beam CT images in radiotherapy
TE Marchant, CJ Moore, CG Rowbottom… - Physics in Medicine …, 2008 - iopscience.iop.org
Cone-beam CT (CBCT) images have recently become an established modality for treatment
verification in radiotherapy. However, identification of soft-tissue structures and the …
verification in radiotherapy. However, identification of soft-tissue structures and the …
Quantitative cone‐beam CT imaging in radiation therapy using planning CT as a prior: first patient studies
Purpose: Quantitative cone‐beam CT (CBCT) imaging is on increasing demand for high‐
performance image guided radiation therapy (IGRT). However, the current CBCT has poor …
performance image guided radiation therapy (IGRT). However, the current CBCT has poor …
A practical cone-beam CT scatter correction method with optimized Monte Carlo simulations for image-guided radiation therapy
Cone-beam CT (CBCT) has become the standard image guidance tool for patient setup in
image-guided radiation therapy. However, due to its large illumination field, scattered …
image-guided radiation therapy. However, due to its large illumination field, scattered …
Streaking artifacts reduction in four‐dimensional cone‐beam computed tomography
Cone‐beam computed tomography (CBCT) using an “on‐board” x‐ray imaging device
integrated into a radiation therapy system has recently been made available for patient …
integrated into a radiation therapy system has recently been made available for patient …
ScatterNet: a convolutional neural network for cone‐beam CT intensity correction
Purpose To demonstrate a proof‐of‐concept for fast cone‐beam CT (CBCT) intensity
correction in projection space by the use of deep learning. Methods The CBCT scans and …
correction in projection space by the use of deep learning. Methods The CBCT scans and …
A model‐based scatter artifacts correction for cone beam CT
W Zhao, D Vernekohl, J Zhu, L Wang, L Xing - Medical physics, 2016 - Wiley Online Library
Purpose: Due to the increased axial coverage of multislice computed tomography (CT) and
the introduction of flat detectors, the size of x‐ray illumination fields has grown dramatically …
the introduction of flat detectors, the size of x‐ray illumination fields has grown dramatically …
Scatter correction for cone‐beam CT in radiation therapy
Cone‐beam CT (CBCT) is being increasingly used in modern radiation therapy for patient
setup and adaptive replanning. However, due to the large volume of x‐ray illumination …
setup and adaptive replanning. However, due to the large volume of x‐ray illumination …
Iterative CT shading correction with no prior information
Shading artifacts in CT images are caused by scatter contamination, beam-hardening effect
and other non-ideal imaging conditions. The purpose of this study is to propose a novel and …
and other non-ideal imaging conditions. The purpose of this study is to propose a novel and …
Image‐based shading correction for narrow‐FOV truncated pelvic CBCT with deep convolutional neural networks and transfer learning
Purpose: Cone beam computed tomography (CBCT) is a standard solution for in‐room
image guidance for radiation therapy. It is used to evaluate and compensate for …
image guidance for radiation therapy. It is used to evaluate and compensate for …
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