结论：ROC评价法在临床诊断中有很大的使用价值，利用病变作为信号或噪声，可以方便、准确的制作ROC曲线。
Conclusion: ROC evaluation is very useful in clinical diagnosis. Through taken lesion as signal or noise, drawing ROC curve is convenient and accurate.
为了方便地计算三维噪声，提出了一种新的三维噪声计算方法，该方法对离散型微光成像系统三维噪声测量和质量评价具有十分重要的实用价值。
A new method was advanced for calculating 3-d noise expediently. The method has the practical merit for 3-d noise measurement and quality evaluation of discrete low-light-level imaging system.
为了方便地计算三维噪声，提出了一种新的三维噪声计算方法，该方法对离散型微光成像系统三维噪声测量和质量评价具有十分重要的实用价值。
A new method was advanced for calculating 3-d noise expediently. The method has the practical merit for 3-d noise measurement and quality evaluation of discrete low-light-level imaging system.
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