The first investigation of the dosimetric perturbations from the spot position errors in spot-scanning arc therapy (SPArc) [0.03%]
首个关于点扫描弧形治疗（SPArc）中点位置误差剂量学干扰的研究
Peilin Liu,Lewei Zhao,Gang Liu et al.
Peilin Liu et al.
Objective. To quantitatively investigate the impact of spot position error (PE) on the dose distribution in (Spot-scanning arc therapy) SPArc plans compared to Intensity-Modulated Proton Therapy (IMPT).Approach.Twelve representative cases, ...
Time-resolved clinical dose volume metrics, calculations and predictions based on source tracking measurements and uncertainties to aid treatment verification and error detection for HDR brachytherapy-a proof-of-principle study [0.03%]
基于源跟踪测量和不确定性的时间分辨临床剂量体积指标、计算和预测，以促进HDR后装治疗的治疗验证和误差检测-一项原理证明研究
Teun van Wagenberg,Robert Voncken,Celine van Beveren et al.
Teun van Wagenberg et al.
Objective.High-dose-rate (HDR) brachytherapy lacks routinely available treatment verification methods. Real-time tracking of the radiation source during HDR brachytherapy can enhance treatment verification capabilities. Recent developments ...
Prior frequency guided diffusion model for limited angle (LA)-CBCT reconstruction [0.03%]
先验频率引导的限制角度(CBCT)重建扩散模型
Jiacheng Xie,Hua-Chieh Shao,Yunxiang Li et al.
Jiacheng Xie et al.
Objective.Cone-beam computed tomography (CBCT) is widely used in image-guided radiotherapy. Reconstructing CBCTs from limited-angle acquisitions (LA-CBCT) is highly desired for improved imaging efficiency, dose reduction, and better mechani...
A greedy regularized block Kaczmarz method for accelerating reconstruction in magnetic particle imaging [0.03%]
一种贪婪正则化分块Kaczmarz方法在磁粒子成像重构中的加速应用研究
Yusong Shen,Liwen Zhang,Hui Zhang et al.
Yusong Shen et al.
Objective.Magnetic particle imaging (MPI) is an emerging medical tomographic imaging modality that enables real-time imaging with high sensitivity and high spatial and temporal resolution. For the system matrix reconstruction method, the MP...
A comprehensive assessment of a prototype high ratio antiscatter grid in interventional cardiology using experimental measurements and Monte Carlo simulations [0.03%]
基于实验测量和蒙特卡罗模拟的介入心脏病学高比率防散射网格原型综合评估
Rodrigo T Massera,Michiel Dehairs,Hannelore Verhoeven et al.
Rodrigo T Massera et al.
Objective. To assess the performance of a new antiscatter grid design in interventional cardiology for image quality improvement and dose reduction using experimental measurements and Monte Carlo (MC) simulation.Approach.Experimental measur...
Proton CT on biological phantoms for x-ray CT calibration in proton treatment planning [0.03%]
基于生物体模的质子CT与光子CT标定研究综述及展望
Elena Fogazzi,Mara Bruzzi,Elvira D&#x;Amato et al.
Elena Fogazzi et al.
Objective.To present and characterize a novel method for x-ray computed tomography (xCT) calibration in proton treatment planning, based on proton CT (pCT) measurements on biological phantoms.Approach.A pCT apparatus was used to perform dir...
Investigation of dosimetric effect of beam current fluctuations in synchrotron-based proton PBS continuous scanning [0.03%]
基于同步加速器的质子PBS连续扫描中束流强度波动的剂量学效应研究
Chunbo Liu,Keith M Furutani,Jiajian Shen et al.
Chunbo Liu et al.
Objective.In proton pencil beam scanning (PBS) continuous delivery, the beam is continuously delivered without interruptions between spots. For synchrotron-based systems, the extracted beam current exhibits a spill structure, and recent pub...
Investigation of intra-fractionated range guided adaptive proton therapy: I. On-line PET imaging and range measurement [0.03%]
基于在线PET成像和射程测量的实时自适应质子治疗研究（上篇）
Dongxu Yang,Xiaorong R Zhu,Mingli Chen et al.
Dongxu Yang et al.
Objective.Develop a prototype on-line positron emission tomography (PET) scanner and evaluate its capability of on-line imaging and intra-fractionated proton-induced radioactivity range measurement.Approach.Each detector consists of 32 × 3...
Investigation of intra-fractionated range guided adaptive proton therapy (RGAPT): II. Range-shift compensated on-line treatment adaptation and verification [0.03%]
基于范围引导的自适应质子治疗（RGAPT）的实验研究：II. 范围偏移补偿的在线调强及验证
Mingli Chen,Dongxu Yang,Xiaorong R Zhu et al.
Mingli Chen et al.
We previously proposed range-guided adaptive proton therapy (RGAPT) that uses mid-range treatment beams as probing beams and intra-fractionated range measurements for online adaptation. In this work, we demonstrated experimental verificatio...
Neural network aided extended Kalman filtering for inverse imaging of cardiac transmembrane potential [0.03%]
基于神经网络的扩展卡尔曼滤波在心室膜电位重建中的应用研究
Ao Ran,Shujin Hu,Xufeng Huang et al.
Ao Ran et al.
Objective.The aim of this study is to address the limitations in reconstructing the electrical activity of the heart from the body surface electrocardiogram, which is an ill-posed inverse problem. Current methods often assume values commonl...