PET image reconstruction using kernel method
Image reconstruction from low-count positron emission tomography (PET) projection data is
challenging because the inverse problem is ill-posed. Prior information can be used to …
challenging because the inverse problem is ill-posed. Prior information can be used to …
Constrained Minimization for Enhanced Exploitation of Gradient Sparsity: Application to CT Image Reconstruction
Exploiting sparsity in the image gradient magnitude has proved to be an effective means for
reducing the sampling rate in the projection view angle in computed tomography (CT). Most …
reducing the sampling rate in the projection view angle in computed tomography (CT). Most …
Compressive sampling in computed tomography: Method and application
Abstract Since Donoho and Candes et al. published their groundbreaking work on
compressive sampling or compressive sensing (CS), CS theory has attracted a lot of …
compressive sampling or compressive sensing (CS), CS theory has attracted a lot of …
[PDF][PDF] 基于稀疏优化的计算机断层成像图像不完全角度重建综述
王林元, 刘宏奎, 李磊, 闫镔, 张瀚铭, 蔡爱龙, 陈建林… - 物理学报, 2014 - researchgate.net
计算机断层成像(computed tomography, CT) 技术在医学和工业无损检测中都具有非常广泛的
应用, CT 重建算法是其中的核心, 而不完全角度重建问题则是实际应用中重建算法研究领域的 …
应用, CT 重建算法是其中的核心, 而不完全角度重建问题则是实际应用中重建算法研究领域的 …
14 C-arm CT in the interventional suite: Current status and future directions
R Fahrig, J Starman, E Girard, A Al-Ahmad, H Gao… - 2014 - api.taylorfrancis.com
Three-dimensional (3D) computed tomography (CT)–like reconstructions of patients based
on image data acquired in the interventional suite during an intervention first became …
on image data acquired in the interventional suite during an intervention first became …
Prior image based anisotropic edge guided TV minimization for few-view CT reconstruction
J Rong, P Gao, W Liu, Q Liao, C Jiao… - 2014 IEEE Nuclear …, 2014 - ieeexplore.ieee.org
To improve the spatial resolution of the image reconstructed by the conventional total
variation (TV) algorithm, we propose a prior image based anisotropic edge guided TV …
variation (TV) algorithm, we propose a prior image based anisotropic edge guided TV …
Motion artifacts on coronary CT angiography images in patients with a pericardial effusion
T Kondo, K Takamura, S Fujimoto, S Takase… - Journal of …, 2014 - Elsevier
Background Patients with a pericardial effusion can have a pendulum-like movement of the
heart. No reports associate the presence of pericardial fluid with coronary CT angiography …
heart. No reports associate the presence of pericardial fluid with coronary CT angiography …
Advances in image reconstruction methods for real-time magnetic resonance thermometry
Abstract Magnetic Resonance Imaging (MRI) has been widely used in cancer treatment
planning, which takes the advantage of high-resolution and high-contrast provided by it. The …
planning, which takes the advantage of high-resolution and high-contrast provided by it. The …
[PDF][PDF] Constrained TpV Minimization for Enhanced Exploitation of Gradient Sparsity: Application to CT Image Reconstruction
JM BOONE, X PAN - academia.edu
Exploiting sparsity in the image gradient magnitude has proved to be an effective means for
reducing the sampling rate in the projection view angle in computed tomography (CT). Most …
reducing the sampling rate in the projection view angle in computed tomography (CT). Most …
Impact of norm selections on the performance of four-dimensional cone-beam computed tomography (4DCBCT) using PICCS
Iterative image reconstruction methods have been proposed in computed tomography to
address two major challenges: one is to reduce radiation dose while maintaining image …
address two major challenges: one is to reduce radiation dose while maintaining image …