Comparative assessment of scintillation camera performance.
Comparative assessment of scintillation camera performance.
复制标题
闪烁相机性能的比较评估。
作者：
J. Moretti;B. Mensch;A. Guey;A. Desgrez
比较了Searle 19、Searle 37、俄亥俄州核能、Picker 2C和东芝GCA 202 5种闪烁相机的性能特点。测量了其固有特性，包括空间分辨率、场均匀性和畸变、能量分辨率、计数能力和麻痹时间。还测量了发射测试的空间分辨率和高分辨率、低能量准直器的灵敏度等外部特性。俄亥俄州核相机给出了最好的结果，为大多数参数的研究，其次是塞尔37 PMT，塞尔19 PMT，皮克，和东芝。晶体的大小也必须是选择相机的标准。
The performance characteristics of 5 scintillation cameras were compared: Searle 19, Searle 37, Ohio Nuclear, Picker 2C and Toshiba GCA 202. Inherent characteristics including spatial resolution, field uniformity and distortion, energy resolution, count-rate capability and paralyzing time were measured. Extrinsic characteristics such as spatial resolution with emission tests and sensitivity with high resolution, low energy collimators also were measured. The Ohio Nuclear camera gave the best results for most of the parameters studied, followed by Searle 37 PMT, Searle 19 PMT, Picker, and Toshiba. The size of the crystal must also be a criterion for choosing a camera.