Deep denoiser prior driven relaxed iterated Tikhonov method for low-count PET image restoration [0.03%]
基于深度去噪先验的迭代Tikhonov法在低计数PET图像恢复中的应用研究
Weike Chang,Nicola D&#x;Ascenzo,Emanuele Antonecchia et al.
Weike Chang et al.
Objective. Low-count positron emission tomography (PET) imaging is an efficient way to promote more widespread use of PET because of its short scan time and low injected activity. However, this often leads to low-quality PET images with cli...
MR-OCTAVIUS 4D with 1500 MR and 1600 MR arrays is suitable for plan QA in a 1.5 T MRI-linac [0.03%]
适用于1.5T磁共振直线加速器计划QA的MR-OCTAVIUS 4D-1500和1600体模
Viktoriia Gorobets,Wilfred de Vries,Nicole Brand et al.
Viktoriia Gorobets et al.
To ensure the accuracy of radiation delivery to patients in a 1.5 T MRI-linac, the implementation of quality assurance (QA) devices compatible with MR technology is essential. The OCTAVIUS 4D MR, made by PTW (Freiburg, Germany) is designed ...
Development and validation of an MR-driven dose-of-the-day procedure for online adaptive radiotherapy in upper gastrointestinal cancer patients [0.03%]
一种基于MR的每日给药方案的研发和验证，用于上消化道癌症患者的在线自适应放射治疗
Oleksii Semeniuk,Andrea Shessel,Michael Velec et al.
Oleksii Semeniuk et al.
Objective.To develop and validate a dose-of-the-day (DOTD) treatment plan verification procedure for liver and pancreas cancer patients treated with an magnetic resonance (MR)-Linac system.Approach.DOTD was implemented as an automated proce...
Translating contrast enhanced computed tomography images to liver radioembolization dose distribution for more comprehensively indicating patients [0.03%]
基于CT影像的肝癌微球栓塞治疗剂量分布预测模型研究
Brahim Mehadji,Carlos A Ruvalcaba,Andrew M Hernandez et al.
Brahim Mehadji et al.
Objective.Contrast-enhanced computed tomography (CECT) is commonly used in the pre-treatment evaluation of liver Y-90 radioembolization feasibility. CECT provides detailed imaging of the liver and surrounding structures, allowing healthcare...
Han Cui,Ting Su,Xin Zhang et al.
Han Cui et al.
Objective.This study aims at developing a simple and rapid Compton scatter correction approach for cone-beam CT (CBCT) imaging.Approach.In this work, a new Compton scatter estimation model is established based on two distinct CBCT scans: on...
An operator-independent quality assurance system for automatically generated structure sets [0.03%]
一种与操作员无关的自动生成结构集的质量保证体系
Alexander Bookbinder,Mislav Bobić,Gregory C Sharp et al.
Alexander Bookbinder et al.
Objective. This study describes geometry-based and intensity-based tools for quality assurance (QA) of automatically generated structures for online adaptive radiotherapy, and designs an operator-independent traffic light system that identi...
Imaging light fluence in blood vessels by combining photoacoustic fluctuation imaging and ultrasound power Doppler [0.03%]
结合光声起伏成像和超声能量多普勒成像的血管光学强度成像
Ivana Falco,Emmanuel Bossy,Bastien Arnal
Ivana Falco
Objectives.Numerous optical biomedical imaging or therapeutic modalities suffer from unknown light fluence distribution at depths. Photoacoustic (PA) imaging, which enables imaging blood vessels at the acoustic resolution, probes the produc...
Monte Carlo simulation of initial and volume ion recombination correction factor in plane parallel ionization chambers exposed to ion beams [0.03%]
平面平行离子化室在离子束照射下初始体积电离粒子复合修正因子的蒙特卡洛模拟研究
Marina Orts,Severine Rossomme,Kevin Souris et al.
Marina Orts et al.
Objective.Accurate reference dosimetry with ionization chambers (ICs) relies on correcting for various influencing factors, including ion recombination. Theoretical frameworks, such as the Boag and Jaffe theories, are conventionally used to...
MSRA-Net: multi-channel semantic-aware and residual attention mechanism network for unsupervised 3D image registration [0.03%]
MSRA-net：基于多通道语义感知和残差注意机制的无监督三维图像配准方法
Xiaozhen Ren,Haoyuan Song,Zihao Zhang et al.
Xiaozhen Ren et al.
Objective. Convolutional neural network (CNN) is developing rapidly in the field of medical image registration, and the proposed U-Net further improves the precision of registration. However, this method may discard certain important inform...
FAST (fast analytical simulator of tracer)-PET: an accurate and efficient PET analytical simulation tool [0.03%]
快速示踪剂分析模拟器(PET)(FAST-PET):一种精确有效的正电子发射断层扫描(PET)分析模拟工具
Suya Li,Mahdjoub Hamdi,Kaushik Dutta et al.
Suya Li et al.
Objective.Simulation of positron emission tomography (PET) images is an essential tool in the development and validation of quantitative imaging workflows and advanced image processing pipelines. Existing Monte Carlo or analytical PET simul...