Compton Imaging of Ac-225 In Pre-clinical Phantoms With a 3D-positioning CZT Camera [0.03%]
一种新型三维定位的CdZnTe相机在Ac-225小动物仿体成像中的应用研究
Biswajit Das,Baharak Mehrdel,David Goodman et al.
Biswajit Das et al.
225Ac-based radiopharmaceuticals for targeted alpha therapy (TAT) have shown positive outcomes in recent clinical trials and pre-clinical studies, and it has emerged as a promising solution for future cancer treatments. Small-animal in-vivo...
The Alpha-SPECT-Mini: A Small-Animal SPECT System based on Hyperspectral Compound-Eye Gamma Cameras [0.03%]
微型Alpha-SPECT系统：一种基于高光谱复眼伽马相机的小动物SPECT系统
Elena Maria Zannoni,Can Yang,Ling Cai et al.
Elena Maria Zannoni et al.
There is a rising interest in Single Photon Emission Computed Tomography (SPECT) imaging systems with improved energy resolution to facilitate multi-functional molecular imaging applications, such as alpha-emitter radiopharmaceutical therap...
Development and Initial Evaluation of 3D-printed High Resolution Brain Phantom for PET [0.03%]
一种用于正电子发射断层扫描的高空间分辨率人脑仿体的开发及初步评价研究
Cynthia Lo,Ekaterina Shanina,Paul Gravel et al.
Cynthia Lo et al.
Phantoms are essential for assessing PET system performance, but most existing brain phantoms do not provide the anatomical fidelity required for the next-generation high-resolution PET systems. To address this limitation, we developed HYDR...
YRT-PET: An Open-Source GPU-accelerated Image Reconstruction Engine for Positron Emission Tomography [0.03%]
YRT-PET：一种开源的正电子发射断层扫描加速图像重建引擎
Yassir Najmaoui,Yanis Chemli,Maxime Toussaint et al.
Yassir Najmaoui et al.
Image reconstruction for positron emission tomography (PET) requires an accurate model of the PET scanner geometry and degrading factors to produce high-quality and clinically meaningful images. It is typically implemented by scanner manufa...
Lower Extremity Flow Quantification Using Dynamic 82Rb PET: a Preclinical Investigation [0.03%]
动态⁹⁹Rb-PET在下肢血流定量中的应用：一项临床前研究
Liang Guo,Stephanie L Thorn,Pedro Gil de Rubio Cruz et al.
Liang Guo et al.
Accurate assessment of regional flow in the lower extremities is crucial for managing peripheral arterial disease (PAD) with critical limb ischemia. This study investigates dynamic 82Rb PET imaging with kinetic modeling for evaluating skele...
Margaret E Daube-Witherspoon,Stephen C Moore,Joel S Karp
Margaret E Daube-Witherspoon
The high sensitivity of long axial field-of-view (AFOV) PET scanners has enabled studies over a wide range of count rates and count densities. However, these systems have a large axial acceptance angle that necessitates a wide coincidence w...
Personalized MR-Informed Diffusion Models for 3D PET Image Reconstruction [0.03%]
基于个人MR信息的扩散模型在三维PET图像重建中的应用研究
George Webber,Alexander Hammers,Andrew P King et al.
George Webber et al.
Recent work has shown improved lesion detectability and flexibility to reconstruction hyperparameters (e.g. scanner geometry or dose level) when PET images are reconstructed by leveraging pre-trained diffusion models. Such methods train a d...
Generative Inpainting-Based Anomaly Detection for CT Liver Tumor Detection [0.03%]
基于生成式修复的CT肝脏肿瘤异常检测方法
Yongyi Shi,Chuang Niu,Amber L Simpson et al.
Yongyi Shi et al.
CT is a main modality for imaging liver diseases, valuable in detecting and localizing liver tumors. Traditional anomaly detection methods analyze reconstructed images to identify pathological structures. However, these methods may produce ...
An Investigation on Cross-Tracer Generalizability of Deep Learning-based PET Attenuation Correction [0.03%]
基于深度学习的PET衰减校正的跨踪迹泛化性研究
Jun Hou,Tianqi Chen,Yinchi Zhou et al.
Jun Hou et al.
Attenuation correction (AC) is a critical step to ensure accurate quantitative PET imaging. To eliminate the radiation dose from CT, deep learning (DL)-based methods have been extensively investigated to generate the CT-equivalent attenuati...
M Mehdi Khalighi,Christina B Young,Matthew G Spangler-Bickell et al.
M Mehdi Khalighi et al.
The current spatial resolution of PET images is 3-4 mm for whole body PET/MR. Anatomical MR images with higher resolution and superior image quality have been used in PET reconstruction to improve the image quality and spatial resolution; h...