Lithium inelastic cross-sections and their impact on micro and nano dosimetry of boron neutron capture [0.03%]
锂非弹性散射截面及其对硼中子俘获微剂量学和纳米剂量学的影响
Naoki D-Kondo,Ramon Ortiz,Bruce Faddegon et al.
Naoki D-Kondo et al.
Objective.To present a new set of lithium-ion cross-sections for (i) ionization and excitation processes down to 700 eV, and (ii) charge-exchange processes down to 1 keV u-1. To evaluate the impact of the use of these cross-sections on micr...
ReMAR: a preoperative CT angiography guided metal artifact reduction framework designed for follow-up CTA of endovascular coiling [0.03%]
基于预操作CT血管造影的金属伪影减少框架（用于血管内线圈栓塞术后cta随访）
Yaoyu Zhang,Lunxin Liu,Hui Yu et al.
Yaoyu Zhang et al.
Objective. Follow-up computed tomography angiography (CTA) is necessary for ensuring occlusion effect of endovascular coiling. However, the implanted metal coil will introduce artifacts that have a negative spillover into radiologic assessm...
FreqSNet: a multiaxial integration of frequency and spatial domains for medical image segmentation [0.03%]
频域与空间域多轴集成的医学图像分割方法
Shangwang Liu,Yinghai Lin,Danyang Liu
Shangwang Liu
Objective.In recent years, convolutional neural networks, which typically focus on extracting spatial domain features, have shown limitations in learning global contextual information. However, frequency domain can offer a global perspectiv...
Clinical applicability of Linac-integrated CBCT based NIPAM 3D dosimetry: a dual-institutional investigation [0.03%]
基于Linac集成CBCT的NIPAM三维剂量学的临床适用性：一项双机构调查研究
Tenzin Kunkyab,Kawtar Lakrad,Andrew Jirasek et al.
Tenzin Kunkyab et al.
Objective.To develop and benchmark a novel 3D dose verification technique consisting of polymer gel dosimetry (PGD) with cone-beam-CT (CBCT) readout through a two-institution study. The technique has potential for wide and robust applicabil...
Multicenter Study
Physics in medicine and biology. 2024 Jul 16;69(15). DOI:10.1088/1361-6560/ad5eef 2024
Head and neck tumor segmentation from [18F]F-FDG PET/CT images based on 3D diffusion model [0.03%]
基于三维扩散模型的头颈部肿瘤[18F]F-FDG PET/CT图像分割技术
Yafei Dong,Kuang Gong
Yafei Dong
Objective.Head and neck (H&N) cancers are among the most prevalent types of cancer worldwide, and [18F]F-FDG PET/CT is widely used for H&N cancer management. Recently, the diffusion model has demonstrated remarkable performance in various i...
Automatic planning for functional lung avoidance radiotherapy based on function-guided beam angle selection and plan optimization [0.03%]
基于功能引导的射野选择和计划优化的自动避开肺部功能区域的放射治疗规划方法研究
Tianyu Xiong,Guangping Zeng,Zhi Chen et al.
Tianyu Xiong et al.
Objective.This study aims to develop a fully automatic planning framework for functional lung avoidance radiotherapy (AP-FLART).Approach.The AP-FLART integrates a dosimetric score-based beam angle selection method and a meta-optimization-ba...
Two-dimensional oxygen-diffusion modelling for FLASH proton therapy with pencil beam scanning-Impact of diffusive tissue properties, dose, dose rate and scan patterns [0.03%]
FLASH质子治疗笔形束扫描的二维氧扩散模型研究-扩散性组织属性、剂量、剂量率和扫描模式的影响
Maarten H Diepeveen,Danny Lathouwers,Rodrigo José Santo et al.
Maarten H Diepeveen et al.
Objective.Oxygen depletion is generally believed to play an important role in the FLASH effect-a differential reduction of the radiosensitivity of healthy tissues, relative to that of the tumour under ultra-high dose-rate (UHDR) irradiation...
Galong Li,Dongyan Li,Bin Lan et al.
Galong Li et al.
Functional nanomaterials have emerged as versatile nanotransducers for wireless neural modulation because of their minimal invasion and high spatiotemporal resolution. The nanotransducers can convert external excitation sources (e.g. NIR li...
Data driven surrogate signal extraction for dynamic PET using selective PCA: time windows versus the combination of components [0.03%]
基于数据驱动的动态PET代理信号提取的选择性PCA方法：时间窗与成分组合之间的比较研究
Alexander Charles Whitehead,Kuan-Hao Dylan Su,Elise Emond et al.
Alexander Charles Whitehead et al.
Respiratory motion correction is beneficial in PET, as it can reduce artefacts caused by motion and improve quantitative accuracy. Methods of motion correction are commonly based on a respiratory trace obtained through an external device (l...
One-step inverse generation network for sparse-view dual-energy CT reconstruction and material imaging [0.03%]
用于低剂量双能量CT重建与材料分解的一体化网络方法研究
Xinrui Zhang,Lei Li,Shaoyu Wang et al.
Xinrui Zhang et al.
Objective.Sparse-view dual-energy spectral computed tomography (DECT) imaging is a challenging inverse problem. Due to the incompleteness of the collected data, the presence of streak artifacts can result in the degradation of reconstructed...