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对单光子发射型计算机断层（ＳＰＥＣＴ）方面的研制和开展ＳＰＥＣＴ影像研究进行了描述．介绍了ＳＰＥＣＴ的基本组成、性能指标和临床软件．为提高ＳＰＥＣＴ影像的质量，提出了ＳＰＥＣＴ分辨率和灵敏度方面所作改进的建议和计算机仿真在ＳＰＥＣＴ中的应用
The development of single photon emission computed tomography (SPECT) and the research of SPECT imaging are described. Introduced SPECT basic composition, performance index and clinical software. In order to improve the quality of SPECT images, some suggestions on the improvement of SPECT resolution and sensitivity and the application of computer simulation in SPECT