method to evaluate image quality 图像质量评价方法
Furthermore, there are no references for many aerial images and it is feasible to evaluate image quality only by knowing the cause of degrading image quality.
有资料表明，在当前的技术状态下，只有预先了解引起图像降质的原因，对无参考图像进行质量判别才是可行的。
OBJECTIVE: To evaluate image quality of Multi-slice Spiral CT (MSCT) in the coronary artery imaging and the diagnostic accuracy in determining coronary lesions.
目的：评价多层螺旋ct冠状动脉成像效果以及在冠状动脉狭窄诊断中的应用价值。
Quantitative analysis of scan conditions was carried out by using ct scan optimization factor as a comprehensive index to evaluate image quality and patient dose.
本文用CT扫描“优化因子”作为图像质量、病人所受剂量的综合评价指标，实现了CT扫描条件优化的定量分析。
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