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. 2021 Nov 16;8(6):065501. doi: 10.1117/1.JMI.8.6.065501

Fig. 9.

Fig. 9

AUC values of the (a) RHO, (b) CHO, and (c) ResNet-IO for HR, LR, and SR images. It can be seen that the DL-SR resulted in a small improvement in the CHO performance, but no improvement in the RHO and ResNet-IO performance on the LR images. As such, the observer performance on the HR images is much higher than the performance on the LR and SR images.