Domain progressive 3D residual convolution network to improve low-dose CT imaging

X Yin, Q Zhao, J Liu, W Yang, J Yang… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
The wide applications of X-ray computed tomography (CT) bring low-dose CT (LDCT) into a
clinical prerequisite, but reducing the radiation exposure in CT often leads to significantly …

Low-dose CT denoising via sinogram inner-structure transformer

L Yang, Z Li, R Ge, J Zhao, H Si… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Low-Dose Computed Tomography (LDCT) technique, which reduces the radiation harm to
human bodies, is now attracting increasing interest in the medical imaging field. As the …

Directional-TV algorithm for image reconstruction from limited-angular-range data

Z Zhang, B Chen, D Xia, EY Sidky, X Pan - Medical Image Analysis, 2021 - Elsevier
Investigation of image reconstruction from data collected over a limited-angular range in X-
ray CT remains a topic of active research because it may yield insight into the development …

Non-convex primal-dual algorithm for image reconstruction in spectral CT

B Chen, Z Zhang, D Xia, EY Sidky, X Pan - Computerized Medical Imaging …, 2021 - Elsevier
The work seeks to develop an algorithm for image reconstruction by directly inverting the
non-linear data model in spectral CT. Using the non-linear data model, we formulate the …

Image reconstruction and scan configurations enabled by optimization-based algorithms in multispectral CT

B Chen, Z Zhang, EY Sidky, D Xia… - Physics in Medicine & …, 2017 - iopscience.iop.org
Optimization-based algorithms for image reconstruction in multispectral (or photon-counting)
computed tomography (MCT) remains a topic of active research. The challenge of …

[HTML][HTML] A cone-beam X-ray computed tomography data collection designed for machine learning

H Der Sarkissian, F Lucka, M van Eijnatten… - Scientific data, 2019 - nature.com
Unlike previous works, this open data collection consists of X-ray cone-beam (CB) computed
tomography (CT) datasets specifically designed for machine learning applications and high …

4D-image reconstruction directly from limited-angular-range data in continuous-wave electron paramagnetic resonance imaging

Z Zhang, B Epel, B Chen, D Xia, EY Sidky… - Journal of Magnetic …, 2023 - Elsevier
Objective: We investigate and develop optimization-based algorithms for accurate
reconstruction of four-dimensional (4D)-spectral-spatial (SS) images directly from data …

Adversarial sparse-view CBCT artifact reduction

H Liao, Z Huo, WJ Sehnert, SK Zhou, J Luo - Medical Image Computing …, 2018 - Springer
We present an effective post-processing method to reduce the artifacts from sparsely
reconstructed cone-beam CT (CBCT) images. The proposed method is based on the state-of …

[HTML][HTML] Tomographic reconstruction: General approach to fast back-projection algorithms

D Polevoy, M Gilmanov, D Kazimirov, M Chukalina… - Mathematics, 2023 - mdpi.com
Addressing contemporary challenges in computed tomography (CT) demands precise and
efficient reconstruction. This necessitates the optimization of CT methods, particularly by …

Are metal artefact reduction algorithms effective to correct cone beam CT artefacts arising from the exomass?

AP Candemil, B Salmon, DQ Freitas… - Dentomaxillofacial …, 2019 - academic.oup.com
The aim of this study was to evaluate the effectiveness of metal artefact reduction (MAR) in
cone beam CT (CBCT) artefacts arising from metallic objects in the exomass. A radiographic …