PET性能测量——2001版NEMA标准(续)
Performance measurements of positron emission tomographs (NEMA NU2-2001) (continuation)
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摘要: 2001版"PET性能测量"的NEMA(美国电器制造商协会)标准是对1994年版本NEMA标准的修订,使之适合于各类PET(正电子发射体层显像)仪的质量保证和验收测量。内容主要包括以下几个部分:(1)定义、符号和参考出版物;(2)总论;(3)空间分辨率;(4)散射因子、计数丢失和随机符合测量;(5)灵敏度;(6)精确性:计数丢失和随机符合校正;(7)图像质量、衰减和散射校正精确性。Abstract: This paper is concerning on the NEMA Standard Publication NU 2-2001 of Performance Measurements of Positron Emission Tomographs, which is the revised edition of the NEMA Standard Publication NU 2-1994. Seven primary sections are included, such as: definitions, symbols and referenced publications; general; spatial resolution; scatter fraction, count losses and randoms measurement; sensitivity; accuracy: corrections for count losses and randoms; image quality, accuracy of attenuation and scatter corrections.
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Key words:
- NEMA standard /
- positron emission tomographs /
- performance measurement
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