Noise characterization analysis of dynamic dual-energy CT and its advantage in suppressing statistical noise [0.03%]
动态双能量CT噪声特征分析及其抑制统计噪声的优势研究
Liang Li,Huahai Sun,Yidi Yao et al.
Liang Li et al.
Objective.Multi-energy CT conducted by photon-counting detector has a wide range of applications, especially in multiple contrast agents imaging. However, static multi-energy (SME) CT imaging suffers from higher statistical noise because of...
Turn-table micro-CT scanner for dynamic perfusion imaging in mice: design, implementation, and evaluation [0.03%]
用于小鼠动态灌注成像的转盘微CT扫描仪：设计、实现与评估
A J Allphin,R Nadkarni,D P Clark et al.
A J Allphin et al.
Objective.This study introduces a novel desktop micro-CT scanner designed for dynamic perfusion imaging in mice, aimed at enhancing preclinical imaging capabilities with high resolution and low radiation doses.Approach.The micro-CT system f...
Remote sensing of high energy charged particle current (HEC) for megavoltage therapeutic electron beams [0.03%]
用于治疗电子束的兆伏高能带电粒子流(HEP)的遥感技术研究
Piotr Zygmanski,Arith Rajapakse,Davide Brivio
Piotr Zygmanski
Objective.We demonstrate detection of high energy particle current (HEC) for MeV therapeutic electron beams. Detection of HEC comprises of remote sensing or acquiring information about HEC inside radiation transport medium from a distance o...
Radial dependence of ionization clustering around a gold nanoparticle irradiated by X-rays under charged particle equilibrium [0.03%]
带电粒子平衡下X射线照射金纳米粒子周围的电离聚类的径向依赖性
Leo Thomas,Miriam Schwarze,Hans Rabus
Leo Thomas
Objective.This work explores the enhancement of ionization clustering and its radial dependence around a gold nanoparticle (NP), indicative of the induction of DNA lesions, a potential trigger for cell-death.Approach.Monte Carlo track struc...
Linear diffusion noise boosted deep image prior for unsupervised sparse-view CT reconstruction [0.03%]
基于线性扩散噪声的深图像先验单视角CT重建方法
Jia Wu,Xiaoming Jiang,Lisha Zhong et al.
Jia Wu et al.
Objective.Deep learning has markedly enhanced the performance of sparse-view computed tomography reconstruction. However, the dependence of these methods on supervised training using high-quality paired datasets, and the necessity for retra...
FCSSL: fusion enhanced contrastive self-supervised learning method for parallel MRI reconstruction [0.03%]
用于并行MRI重建的融合增强对比自监督学习方法
Peng Ding,Jizhong Duan,Lei Xue et al.
Peng Ding et al.
Objective. The implementation of deep learning in magnetic resonance imaging (MRI) has significantly advanced the reduction of data acquisition times. However, these techniques face substantial limitations in scenarios where acquiring fully...
A finite volume approach to dosimetric calculations in diffusing alpha-emitters radiation therapy [0.03%]
弥散性α发射放射治疗剂量计算的有限体积法研究
P Chevé,P Charbonneau,J-F Carrier et al.
P Chevé et al.
Objective.In diffusing alpha-emitters radiation therapy ('Alpha DaRT'), the diffusion-leakage (DL) model is used to determine the spatial distributions of the emitters and the corresponding alpha dose, critical for a successful treatment. T...
Modeling the stress and forces on multi-channel TMS coil arrays in high-field MRI scanners [0.03%]
高场磁共振扫描仪中多通道经颅磁刺激线圈阵列应力和力的建模
Maria A Koponen,Juuso T Korhonen,José A Vilchez Membrilla et al.
Maria A Koponen et al.
Transcranial magnetic stimulation (TMS) is a non-invasive method for stimulating the cortex. Concurrent functional magnetic resonance imaging can show changes in TMS-induced activity in the whole brain, with the potential to inform brain fu...
Boundary-aware semantic clustering network for segmentation of prostate zones from T2-weighted MRI [0.03%]
基于边界感知语义聚类的前列腺T2加权磁共振图像分割网络
Weixuan Kou,Harry Marshall,Bernard Chiu
Weixuan Kou
Objective.Automatic segmentation of prostatic zones from MRI can improve clinical diagnosis of prostate cancer as lesions in the peripheral zone (PZ) and central gland (CG) exhibit different characteristics. Existing approaches are limited ...
Commissioning an ultra-high-dose-rate electron linac with end-to-end tests [0.03%]
基于端到端测试的高剂量率电子直线加速器的验收调试工作
Tianyuan Dai,Austin M Sloop,Muhammad R Ashraf et al.
Tianyuan Dai et al.
Objective. The FLASH effect can potentially be used to improve the therapeutic ratio of radiotherapy (RT) through delivery of Ultra-high-dose-rate (UHDR) irradiation. Research is actively being conducted to translate UHDR-RT and for this pu...