Theory, method, and test tools for determination of 3D MTF characteristics in cone‐beam CT

P Wu, JM Boone, AM Hernandez, M Mahesh… - Medical …, 2021 - Wiley Online Library
Purpose The modulation transfer function (MTF) is widely used as an objective metric of
spatial resolution of medical imaging systems. Despite advances in capability for three …

Scatter correction of cone-beam CT using a deep residual convolution neural network (DRCNN)

Y Jiang, C Yang, P Yang, X Hu, C Luo… - Physics in Medicine …, 2019 - iopscience.iop.org
Scatter correction is an essential technique to improve the image quality of cone-beam CT
(CBCT). Although different scatter correction methods have been proposed in the literature …

A generalized image quality improvement strategy of cone-beam CT using multiple spectral CT labels in Pix2pix GAN

Y Jiang, Y Zhang, C Luo, P Yang, J Wang… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. The quantitative and routine imaging capabilities of cone-beam CT (CBCT) are
hindered from clinical applications due to the severe shading artifacts of scatter …

Multi-material decomposition for single energy CT using material sparsity constraint

Y Xue, W Qin, C Luo, P Yang, Y Jiang… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
Multi-material decomposition (MMD) decomposes CT images into basis material images,
and is a promising technique in clinical diagnostic CT to identify material compositions …

[HTML][HTML] Leveraging GAN-based CBCT-to-CT translation models for enhanced image quality and accurate photon and proton dose calculation in adaptive …

Z Liang, H Wei, G Liu, M Cheng, J Gao, S Li… - Journal of Radiation …, 2024 - Elsevier
Purpose To develop a deep learning-based network for CBCT-to-CT translation. This
approach aims to enhance CBCT image quality and enable more accurate photon and …

Cupping artifacts correction for polychromatic X-ray cone-beam computed tomography based on projection compensation and hardening behavior

F Yang, D Zhang, H Zhang, K Huang - Biomedical Signal Processing and …, 2020 - Elsevier
Based on the beam hardening behavior of polychromatic X-ray, the aim of this paper is to
address and test an improved experimental and theoretical investigations of the distorted …

Scatter correction for a clinical cone‐beam CT system using an optimized stationary beam blocker in a single scan

X Liang, Y Jiang, W Zhao, Z Zhang, C Luo… - Medical …, 2019 - Wiley Online Library
Purpose Scatter contamination in the cone‐beam CT (CBCT) leads to CT number
inaccuracy, spatial nonuniformity, and loss of image contrast. In our previous work, we …

Accurate multi-material decomposition in dual-energy CT: A phantom study

Y Xue, Y Jiang, C Yang, Q Lyu, J Wang… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
DUAL-energy computed tomography (DECT) differentiates materials by exploiting the
varying material linear attenuation coefficients (LACs) for different x-ray energy spectra. Multi …

Single Scan Dual-energy Cone-beam CT Using Static Detector Modulation: A Phantom Study

J Peng - arXiv preprint arXiv:2205.11188, 2022 - arxiv.org
Cone-beam CT (CBCT) is installed in the treatment room to facilitate online clinical
applications, including image guidance in radiation and surgery. Half-fan and short-can are …

Planning CT‐guided robust and fast cone‐beam CT scatter correction using a local filtration technique

H Cui, X Jiang, C Fang, L Zhu, Y Yang - Medical physics, 2021 - Wiley Online Library
Abstract Purpose Cone‐beam CT (CBCT) has been widely utilized in image‐guided
radiotherapy. Planning CT (pCT)‐aided CBCT scatter correction could further enhance …