Scatter estimation and correction using time-of-flight and deconvolution in x-ray medical imaging [0.03%]
基于飞行时间及脱卷的散射估计与校正方法研究
Julien Rossignol,Gabriel Bélanger,Maëlle Fromont et al.
Julien Rossignol et al.
Objective.Time-of-flight (TOF) scatter rejection requires a total timing jitter, including the detector timing jitter and the x-ray source's pulses width, of 50 ps or less to mitigate most of the effects of scattered photons in radiography ...
Deep learning method with integrated invertible wavelet scattering for improving the quality of in vivo cardiac DTI [0.03%]
集成可逆小波散射的深度学习方法，用于改善在体心脏DTI质量的方法
Zeyu Deng,Lihui Wang,Zixiang Kuai et al.
Zeyu Deng et al.
Objective.Respiratory motion, cardiac motion and inherently low signal-to-noise ratio (SNR) are major limitations ofin vivocardiac diffusion tensor imaging (DTI). We propose a novel enhancement method that uses unsupervised learning based i...
Dosimetry for repetitive transcranial magnetic stimulation: a translational study from Alzheimer's disease patients to controlled in vitro investigations [0.03%]
重复经颅磁刺激的剂量学：从阿尔茨海默病患者的治疗到体外控制实验的转化研究
Francesca Camera,Eleonora Colantoni,Arianna Casciati et al.
Francesca Camera et al.
Objective.Recent studies have indicated that repetitive transcranial magnetic stimulation (rTMS) could enhance cognition in Alzheimer's Disease (AD) patients, but to now the molecular-level interaction mechanisms driving this effect remain ...
Corrigendum: Virtual cylindrical PET for efficient DOI image reconstruction with sub-millimetre resolution (2024 Phys. Med. Biol. 69 115043) [0.03%]
更正：具有亚毫米分辨率的高效DOI图像重建的虚拟圆柱形PET（2024Phys.Med.Biol.69115043）
Francisco E Enríquez-Mier-Y-Terán,Andre Z Kyme,Georgios Angelis et al.
Francisco E Enríquez-Mier-Y-Terán et al.
Published Erratum
Physics in medicine and biology. 2024 Aug 14;69(17). DOI:10.1088/1361-6560/ad6d27 2024
Transformer for low concentration image denoising in magnetic particle imaging [0.03%]
变换器在低浓度磁颗粒成像图像去噪中的应用
Yuanduo Liu,Liwen Zhang,Zechen Wei et al.
Yuanduo Liu et al.
Objective.Magnetic particle imaging (MPI) is an emerging tracer-basedin vivoimaging technology. The use of MPI at low superparamagnetic iron oxide nanoparticle concentrations has the potential to be a promising area of clinical application ...
Relative profile measurements in 1.5T MR-linacs: investigation of central axis deviations [0.03%]
1.5T磁共振直线加速器的相对轮廓测量：中心轴偏差研究
Anastasios Episkopakis,Vasiliki Margaroni,Pantelis Karaiskos et al.
Anastasios Episkopakis et al.
Objective. In 1.5 T MR-linacs, the absorbed dose central axis (CAX) deviates from the beam's CAX due to inherent profile asymmetry. In addition, a measured CAX deviation may be biased due to potential lateral (to the beam) effective point o...
Predicting time-of-flight with Cerenkov light in BGO: a three-stage network approach with multiple timing kernels prior [0.03%]
基于BGO的切伦科夫光预测时间飞行：具有多个定时核优先的三阶段网络方法
Xuhui Feng,Hengjia Ran,Huafeng Liu
Xuhui Feng
Objective.In the quest for enhanced image quality in positron emission tomography (PET) reconstruction, the introduction of time-of-flight (TOF) constraints in TOF-PET reconstruction offers superior signal-to-noise ratio. By employing BGO d...
Linear energy transfer dependent variation in viability and proliferation along the Bragg peak curve in sarcoma and normal tissue cells [0.03%]
沿布拉格峰值曲线的线性能量传递依赖性变化的肉瘤和正常组织细胞的存活率和增殖率
Teresa Bernardo,Lena Heuchel,Feline Heinzelmann et al.
Teresa Bernardo et al.
Objective.The energy deposition of photons and protons differs. It depends on the position in the proton Bragg peak (BP) and the linear energy transfer (LET) leading to a variable relative biological effectiveness (RBE). Here, we investigat...
Impact of contrast agents on organ dosimetry in pediatric diagnostic fluoroscopy: the voiding cystourethrogram [0.03%]
对比剂对儿科诊断荧光透视下泌尿系统造影器官剂量的影响
Wyatt W Smither,Emily L Marshall,David Borrego et al.
Wyatt W Smither et al.
Objective.International Commission on Radiological Protection (ICRP) Task Group 113 is developing reference values of organ and effective dose coefficients (DCs) for radiography, fluoroscopy, and computed tomography imaging exams. In suppor...
Timing offset calibration for TOF PET using stationary line source scans at multiple positions [0.03%]
基于多个位置的固定线源扫描的TOF-PET时间偏移校正方法研究
Ang Li,Xuan Zhang,Xiaoyun Zhou et al.
Ang Li et al.
Background. Accurate timing offset calibration is crucial for time-of-flight (TOF) positron emission tomography (PET) to mitigate image artifacts and improve quantitative accuracy. However, existing methods are often time-consuming, complex...