Development and characterization of a round hand-held silicon photomultiplier based gamma camera for intraoperative imaging [0.03%]
一种用于术中影像的圆手持式硅光电倍增管伽马相机的研发与表征
Kosta Popovic,Jack E McKisson,Brian Kross et al.
Kosta Popovic et al.
This paper describes the development of a hand-held gamma camera for intraoperative surgical guidance that is based on silicon photomultiplier (SiPM) technology. The camera incorporates a cerium doped lanthanum bromide (LaBr3:Ce) plate scin...
Ling-Jian Meng,Nan Li
Ling-Jian Meng
In this paper, we present the use of modified uniform Cramer-Rao type bounds (MUCRB) for the design of single photon emission tomography (SPECT) systems. The MUCRB is the lowest attainable total variance using any estimator of an unknown ve...
Exploring the limiting timing resolution for large volume CZT detectors with waveform analysis [0.03%]
基于波形分析的大容积闪烁型碲锌镉探测器时间分辨率研究
L J Meng,Z He
L J Meng
This paper presents a study for exploring the limiting timing resolution that can be achieved with a large volume 3-D position sensitive CZT detector. The interaction timing information was obtained by fitting the measured cathode waveforms...
L J Meng,D K Wehe
L J Meng
This paper presents a feasibility of a gamma ray imager using combined electronic and mechanical collimation methods. This detector is based on the use of a multiple pinhole collimator, a position sensitive scintillation detector with Anger...
Design and Feasibility Study of a Single Photon Emission Microscope System for Small Animal I-125 Imaging [0.03%]
用于小动物碘-125成像的单光子发射显微镜系统设计与可行性研究
L J Meng,N H Clinthorne,S Skinner et al.
L J Meng et al.
This paper presents a design study of a single photon emission microscope (SPEM) system for small animal imaging using I-125 labelled radiotracers. This system is based on the use of a very-high resolution gamma camera coupled to a convergi...
Non-Uniform Object-Space Pixelation (NUOP) for Penalized Maximum-Likelihood Image Reconstruction for a Single Photon Emission Microscope System [0.03%]
用于单光子发射显微系统惩罚最大似然图像重建的非均匀对象空间像素化(NUOP)技术
L J Meng,Nan Li
L J Meng
This paper presents a non-uniform object-space pixelation (NUOP) approach for image reconstruction using the penalized maximum likelihood methods. This method was developed for use with a single photon emission microscope (SPEM) system that...
3-D Spatial Resolution of 350 μ m Pitch Pixelated CdZnTe Detectors for Imaging Applications [0.03%]
350μm像素化的CdZnTe检测器的三维空间分辨率用于成像应用
Yongzhi Yin,Ximeng Chen,Heyu Wu et al.
Yongzhi Yin et al.
We are currently investigating the feasibility of using highly pixelated Cadmium Zinc Telluride (CdZnTe) detectors for sub-500 μm resolution PET imaging applications. A 20 mm × 20 mm × 5 mm CdZnTe substrate was fabricated with 350 μm pi...
An Intensified EMCCD Camera for Low Energy Gamma Ray Imaging Applications [0.03%]
一种低能γ射线成像应用的增强型EMCCD相机
L J Meng
L J Meng
This paper presents the design and feasibility study of a very-high resolution gamma camera for detecting 27-35 keV X and gamma rays emitted by I-125 labelled radiotracers. This detector consists of a newly developed Electron-multiplying CC...
L J Meng,Z He,B Alexander et al.
L J Meng et al.
This paper presents the spectroscopic performance of two newly developed pixelated HgI2 detectors. These detectors are 1 × 1 × 0.814 cm3 and 1 × 1 × 1.016 cm3 in size. Each detector has four closely packed 1 × mm2 anode pixels at the c...
Feasibility Study of Compton Scattering Enhanced Multiple Pinhole Imager for Nuclear Medicine [0.03%]
康普顿散射增强型多针孔核医学成像仪的可行性研究
L J Meng,W L Rogers,N H Clinthorne
L J Meng
This paper presents a feasibility study of a Compton scattering enhanced (CSE) multiple pinhole imaging system for gamma rays with energy of 140keV or higher. This system consists of a multiple-pinhole collimator, a position sensitive scint...