LROC Investigation of Three Strategies for Reducing the Impact of Respiratory Motion on the Detection of Solitary Pulmonary Nodules in SPECT [0.03%]
基于SPECT图像三种降低呼吸运动对肺部孤立结节检测影响的方法研究:LROC分析
Mark S Smyczynski,Howard C Gifford,Joyoni Dey et al.
Mark S Smyczynski et al.
The objective of this investigation was to determine the effectiveness of three motion reducing strategies in diminishing the degrading impact of respiratory motion on the detection of small solitary pulmonary nodules (SPN) in single photon...
Modeling the respiratory motion of solitary pulmonary nodules and determining the impact of respiratory motion on their detection in SPECT imaging [0.03%]
肺孤立结节呼吸运动的建模及其对SPECT图像检测的影响研究
Mark S Smyczynski,Howard C Gifford,Andre Lehovich et al.
Mark S Smyczynski et al.
The objectives of this investigation were to model the respiratory motion of solitary pulmonary nodules (SPN) and then use this model to determine the impact of respiratory motion on the localization and detection of small SPN in SPECT imag...
Design of a Multi-Pinhole Collimator for I-123 DaTscan Imaging on Dual-Headed SPECT Systems in Combination with a Fan-Beam Collimator [0.03%]
一种用于双探头SPECT系统上的I-123多孔准直器的新型扇形束准直器组合设计方法
Michael A King,Joyeeta M Mukherjee,Arda Könik et al.
Michael A King et al.
For the 2011 FDA approved Parkinson's Disease (PD) SPECT imaging agent I-123 labeled DaTscan, the volume of interest (VOI) is the interior portion of the brain. However imaging of the occipital lobe is also required with PD for calculation ...
Junwei Du,Yongfeng Yang,Xiaowei Bai et al.
Junwei Du et al.
The performance of an 8 × 8 array of 6.0 × 6.0 mm2 (active area) SiPMs was evaluated for PET applications using crystal arrays with different pitch sizes (3.4 mm, 1.5 mm, 1.35 mm and 1.2 mm) and custom designed five-channel front-end read...
A Fast Experimental Scanner for Proton CT: Technical Performance and First Experience with Phantom Scans [0.03%]
一种快速的质子CT实验扫描仪：技术性能与实体扫描初步结果分析
Robert P Johnson,Vladimir Bashkirov,Langley DeWitt et al.
Robert P Johnson et al.
We report on the design, fabrication, and first tests of a tomographic scanner developed for proton computed tomography (pCT) of head-sized objects. After extensive preclinical testing, pCT is intended to be employed in support of proton th...
Architecture and Implementation of OpenPET Firmware and Embedded Software [0.03%]
开放PET固件和嵌入式软件的架构与实现
Faisal T Abu-Nimeh,Jennifer Ito,William W Moses et al.
Faisal T Abu-Nimeh et al.
OpenPET is an open source, modular, extendible, and high-performance platform suitable for multi-channel data acquisition and analysis. Due to the flexibility of the hardware, firmware, and software architectures, the platform is capable of...
Philip J Pietraski,Lars R Furenlid
Philip J Pietraski
Synchrotron light sources are low-duty-cycle pulsed X-ray sources, a fact that is often neglected in estimating the count-rate capabilities of photon-counting detectors in synchrotron-based experiments. In this paper, we demonstrate the eff...
Gengsheng L Zeng,Zeljko Divkovic
Gengsheng L Zeng
Recently we developed a Bayesian-FBP (Filtered Backprojection) algorithm for CT image reconstruction. This algorithm is also referred to as the FBP-MAP (FBP Maximum a Posteriori) algorithm. This non-iterative Bayesian algorithm has been app...
TandemPET- A High Resolution, Small Animal, Virtual Pinhole-Based PET Scanner: Initial Design Study [0.03%]
双元PET-一种高分辨率、小型动物、基于虚拟针孔的正电子发射断层扫描仪：初步设计研究
Raymond R Raylman,Alexander V Stolin,Peter F Martone et al.
Raymond R Raylman et al.
Mice are the perhaps the most common species of rodents used in biomedical research, but many of the current generation of small animal PET scanners are non-optimal for imaging these small rodents due to their relatively low resolution. Con...
Lindsay C Johnson,Oleg Ovchinnikov,Sepideh Shokouhi et al.
Lindsay C Johnson et al.
Advances in fabrication techniques, electronics, and mechanical cooling systems have given rise to germanium detectors suitable for biomedical imaging. We are developing a small-animal SPECT system that uses a double-sided Ge strip detector...