Table 3. Statistical evaluation metrics for test images.

	r	r2	95% confidence interval of average error
RGCs-N1	0.994	0.988	[-35, 11]
RGCs-N2	0.999	0.998	[-11, 11]
RGCs-D1	0.985	0.969	[-3.9, 7.4]
Mean	0.993	0.985	None