Spectral prior image constrained compressed sensing (spectral PICCS) for photon-counting computed tomography
Photon-counting computed tomography (PCCT) is an emerging imaging technique that
enables multi-energy imaging with only a single scan acquisition. To enable multi-energy …
enables multi-energy imaging with only a single scan acquisition. To enable multi-energy …
A general method to derive tissue parameters for Monte Carlo dose calculation with multi-energy CT
A Lalonde, H Bouchard - Physics in medicine & biology, 2016 - iopscience.iop.org
To develop a general method for human tissue characterization with dual-and multi-energy
CT and evaluate its performance in determining elemental compositions and quantities …
CT and evaluate its performance in determining elemental compositions and quantities …
Noise suppression for dual‐energy CT via penalized weighted least‐square optimization with similarity‐based regularization
Purpose: Dual‐energy CT (DECT) expands applications of CT imaging in its capability to
decompose CT images into material images. However, decomposition via direct matrix …
decompose CT images into material images. However, decomposition via direct matrix …
Using edge-preserving algorithm with non-local mean for significantly improved image-domain material decomposition in dual-energy CT
Increased noise is a general concern for dual-energy material decomposition. Here, we
develop an image-domain material decomposition algorithm for dual-energy CT (DECT) by …
develop an image-domain material decomposition algorithm for dual-energy CT (DECT) by …
Dual energy CT with one full scan and a second sparse-view scan using structure preserving iterative reconstruction (SPIR)
Conventional dual-energy CT (DECT) reconstruction requires two full-size projection
datasets with two different energy spectra. In this study, we propose an iterative algorithm to …
datasets with two different energy spectra. In this study, we propose an iterative algorithm to …
Interventional dual‐energy imaging—Feasibility of rapid kV‐switching on a C‐arm CT system
Purpose In the last years, dual‐energy CT imaging has shown clinical value, thanks to its
ability to differentiate materials based on their atomic number and to exploit different …
ability to differentiate materials based on their atomic number and to exploit different …
A feature refinement approach for statistical interior CT reconstruction
Interior tomography is clinically desired to reduce the radiation dose rendered to patients. In
this work, a new statistical interior tomography approach for computed tomography is …
this work, a new statistical interior tomography approach for computed tomography is …
[PDF][PDF] 基于等值线拟合的X 射线双能CT 快速投影分解算法
李磊, 王林元, 蔡爱龙, 韩玉, 闫镔, 包尚联 - Acta Optica Sinica, 2016 - researching.cn
摘要针对双能计算机断层成像(DECT) 图像重建算法中的非线性投影分解问题,
提出一种基于等值线拟合的快速投影分解算法. 建立高, 低能投影线性近似的等值线拟合模型; …
提出一种基于等值线拟合的快速投影分解算法. 建立高, 低能投影线性近似的等值线拟合模型; …
A statistical iterative reconstruction framework for dual energy computed tomography without knowing tube spectrum
Dual energy computed tomography (DECT) has significant impacts on material
characterization, bone mineral density inspection, nondestructive evaluation and so on. In …
characterization, bone mineral density inspection, nondestructive evaluation and so on. In …
Segmentation-free x-ray energy spectrum estimation for computed tomography
X-ray energy spectrum plays an essential role in imaging and related tasks. Due to the high
photon flux of clinical CT scanners, most of the spectrum estimation methods are indirect …
photon flux of clinical CT scanners, most of the spectrum estimation methods are indirect …