Sparse-view CT reconstruction based on gradient directional total variation
Z Qu, X Zhao, J Pan, P Chen - Measurement Science and …, 2019 - iopscience.iop.org
The sparse-view problem of image reconstruction encountered in computed tomography
(CT) is an important research issue due to its considerable potential in decreasing radiation …
(CT) is an important research issue due to its considerable potential in decreasing radiation …
A new adaptive-weighted total variation sparse-view computed tomography image reconstruction with local improved gradient information
Y Wang, Z Qi - Journal of X-ray Science and Technology, 2018 - content.iospress.com
Inspired by the compressed sensing (CS) theory, introducing priori information of sparse
image into sparse-view reconstruction algorithm of computed tomography (CT) can improve …
image into sparse-view reconstruction algorithm of computed tomography (CT) can improve …
[HTML][HTML] Performance of sparse-view CT reconstruction with multi-directional gradient operators
CJ Hsieh, SC Jin, JC Chen, CW Kuo, RT Wang… - Plos one, 2019 - journals.plos.org
To further reduce the noise and artifacts in the reconstructed image of sparse-view CT, we
have modified the traditional total variation (TV) methods, which only calculate the gradient …
have modified the traditional total variation (TV) methods, which only calculate the gradient …
Sparse view CT image reconstruction based on total variation and wavelet frame regularization
Z Qu, X Yan, J Pan, P Chen - IEEE Access, 2020 - ieeexplore.ieee.org
The sparse view problem of image reconstruction encountered in computed tomography
(CT) is an important research issue due to its considerable potential in lowering radiation …
(CT) is an important research issue due to its considerable potential in lowering radiation …
[HTML][HTML] Reconstruction of sparse-view x-ray computed tomography based on adaptive total variation minimization
Z Yu, X Wen, Y Yang - Micromachines, 2023 - mdpi.com
Sparse-view reconstruction has garnered significant interest in X-ray computed tomography
(CT) imaging owing to its ability to lower radiation doses and enhance detection efficiency …
(CT) imaging owing to its ability to lower radiation doses and enhance detection efficiency …
Sparse-view x-ray CT reconstruction via total generalized variation regularization
Sparse-view CT reconstruction algorithms via total variation (TV) optimize the data iteratively
on the basis of a noise-and artifact-reducing model, resulting in significant radiation dose …
on the basis of a noise-and artifact-reducing model, resulting in significant radiation dose …
[HTML][HTML] Sparse CT reconstruction based on multi-direction anisotropic total variation (MDATV)
Abstract Background The sparse CT (Computed Tomography), inspired by compressed
sensing, means to introduce a prior information of image sparsity into CT reconstruction to …
sensing, means to introduce a prior information of image sparsity into CT reconstruction to …
Adaptive‐weighted high order TV algorithm for sparse‐view CT reconstruction
Y Xi, P Zhou, H Yu, T Zhang, L Zhang, Z Qiao… - Medical …, 2023 - Wiley Online Library
Background With the development of low‐dose computed tomography (CT), incomplete data
reconstruction has been widely concerned. The total variation (TV) minimization algorithm …
reconstruction has been widely concerned. The total variation (TV) minimization algorithm …
Iterative reconstruction for sparse-view x-ray CT using alpha-divergence constrained total generalized variation minimization
OBJECTIVE: Although the sinogram data is easily manipulated, it lacks a statistical
description for image reconstruction. To address this problem, we present an alpha …
description for image reconstruction. To address this problem, we present an alpha …
[HTML][HTML] An improved statistical iterative algorithm for sparse-view and limited-angle CT image reconstruction
Because radiation is harmful to patients, it is important to reduce X-ray exposure in the clinic.
For CT, reconstructions from sparse views or limited angle tomography are being used more …
For CT, reconstructions from sparse views or limited angle tomography are being used more …