摘要
在临床上研究不同的MRI扫描技术时，必须要用信噪比这个参数来对图像的成像质量进行评价。最大限度地提高信噪比能有效地改善图像质量。本文描述了信噪比的常用计量方法及在临床磁共振成像扫描中选择不同的参数对信噪比的影响。
During the clinical study of different scanning MRI techniques, it is necessary to evaluate the image quality by measuring the signal noise ratio. The utmost high value of signal noise ratio can significantly improve the image quality. This paper presents an outline of general methods for measuring the signal noise ratio and a discussion on the influence of the choise of different parameters in clinical MRI scanning on the signal noise ratio.
出处
《影像技术》
CAS
1997年第4期22-24,共3页
Image Technology
关键词
磁共振成像
MRI
信噪比
质量保证
Magnetic Resonance Imaging (MRI), Signal Noise Ratio(S/N), Quality Assurance (QA)
