When the brightness of CRT was 60cd/m 2,the Az of the ROC curve of 100Lx was 0.8661,which was 8%,3%,11% larger than that of 12Lx,40Lx,180Lx respectively.

• 在环境照度为 10 0Lx、显示器亮度为 60cd/m2 时视读的CR影像上获得ROC曲线面积Az =0 .；8661；分别比环境照度为 12Lx、40Lx、180Lx时的多 8%25、3 %25和 11%25 ;