Deformable anthropomorphic pelvis phantom for dose accumulation verification [0.03%]
可变形的人体骨盆模型用于剂量累积验证
Yun Ming Wong,Calvin Wei Yang Koh,Kah Seng Lew et al.
Yun Ming Wong et al.
Objective.The validation of deformable image registration (DIR) for contour propagation is often done using contour-based metrics. Meanwhile, dose accumulation requires evaluation of voxel mapping accuracy, which might not be accurately rep...
Design and development of the DE-SPECT system: a clinical SPECT system for broadband multi-isotope imaging of peripheral vascular disease [0.03%]
DE-SPECT系统的设计与开发：一种用于外周血管病宽带多同位素成像的临床SPECT系统
E M Zannoni,P Sankar,Y Jin et al.
E M Zannoni et al.
Objective. Peripheral Vascular Disease (PVD) affects more than 230 million people worldwide and is one of the leading causes of disability among people over age 60. Nowadays, PVD remains largely underdiagnosed and undertreated, and requires...
Optical crosstalk of protective cover on MPPC array for TOF PET detector [0.03%]
TOF-PET探测器MPPC阵列保护罩的光学串扰研究
Eiji Yoshida,Fujino Obata,Taiga Yamaya
Eiji Yoshida
Objective. Time-of-flight (TOF) is an important factor that directly affects the image quality of PET systems, and various attempts have been made to improve the coincidence resolving time (CRT) of PET detectors. For independent readout det...
Towards precise LET measurements based on energy deposition of therapeutic ions in Timepix3 detectors [0.03%]
基于Timepix3探测器中治疗离子能量沉积的精确LET测量研究
Renato Félix-Bautista,Yasmin Hamad,Tomás Yáñez-González et al.
Renato Félix-Bautista et al.
Objective.There is an increasing interest in calculating and measuring linear energy transfer (LET) spectra in particle therapy in order to assess their impact in biological terms. As such, the accuracy of the particle fluence energy spectr...
Deciphering oxygen distribution and hypoxia profiles in the tumor microenvironment: a data-driven mechanistic modeling approach [0.03%]
基于数据驱动的机制建模方法解读肿瘤微环境中的氧分布及低氧模式
P Kumar,M Lacroix,P Dupré et al.
P Kumar et al.
Objective. The distribution of hypoxia within tissues plays a critical role in tumor diagnosis and prognosis. Recognizing the significance of tumor oxygenation and hypoxia gradients, we introduce mathematical frameworks grounded in mechanis...
Jacob Spainhour,Korben Smart,Stephen Becker et al.
Jacob Spainhour et al.
Objective. The transmit encoding model for synthetic aperture imaging is a robust and flexible framework for understanding the effects of acoustic transmission on ultrasound image reconstruction. Our objective is to use machine learning (ML...
A fused LASSO operator for fast 3D magnetic particle imaging reconstruction [0.03%]
一种快速三维磁性粒子成像重建的融合LASSO算子
Jie He,Yimeng Li,Peng Zhang et al.
Jie He et al.
Objective.Magnetic particle imaging (MPI) is a promising imaging modality that leverages the nonlinear magnetization behavior of superparamagnetic iron oxide nanoparticles to determine their concentration distribution. Previous optimization...
Fitting Monte Carlo simulation results with an empirical model of megavoltage x-ray beams for rapid depth dose calculations in water [0.03%]
用经验模型拟合蒙特卡罗模拟结果以实现水中的兆伏级X射线束深度剂量的快速计算
Allison O&#x;Brien,Rebecca J Abergel
Allison O&#x;Brien
Objective. The purpose of this study was to assess a method of accelerating Monte Carlo simulations for modeling depth dose distributions from megavoltage x-ray beams by fitting them to an empirically-derived function.Approach. Using Geant4...
Exploring the biological basis of CT imaging features in pancreatic neuroendocrine tumors: a two-center study [0.03%]
基于胰腺神经内分泌肿瘤影像学特征的生物标志物筛查两中心研究
Lei Xu,Yan Wu,Xiaoyong Shen et al.
Lei Xu et al.
Objective.Medical imaging offered a non-invasive window to visualize tumors, with radiomics transforming these images into quantitative data for tumor phenotyping. However, the intricate web linking imaging features, clinical endpoints, and...
Multicenter Study
Physics in medicine and biology. 2024 Jun 11;69(12). DOI:10.1088/1361-6560/ad51c7 2024
Cerenkov free micro-dosimetry in small-field radiation therapy technique [0.03%]
小野放射治疗技术中的cernock辐射微剂量学研究
Sree Bash Chandra Debnath,Didier Tonneau,Carole Fauquet et al.
Sree Bash Chandra Debnath et al.
Objective. Optical fiber-based scintillating dosimetry is a recent promising technique owing to the miniature size dosimeter and quality measurement in modern radiation therapy treatment. Despite several advantages, the major issue of using...