Table 7. Data set 1 (normal OCT images) position error (in pixels) of each layer boundary for each of the tested methods. The results are reported in mean values and (per A-scan standard deviation). The best results (smallest error) for each boundary are highlighted in bold text.

	RNN-GS		CNN-GS		FCN-GS
Layer Boundary	Mean error	Mean abs. error	Mean error	Mean abs. error	Mean error	Mean abs. error
ILM	0.01 (0.97)	0.46 (0.85)	−0.02 (1.01)	0.48 (0.89)	−0.16 (0.87)	0.53 (0.71)
GCL/NFL	0.11 (2.22)	0.84 (2.06)	-0.06 (2.90)	0.96 (2.74)	−0.10 (1.54)	0.79 (1.33)
INL/IPL	-0.13 (1.10)	0.56 (0.95)	−0.16 (1.17)	0.60 (1.02)	−0.26 (1.07)	0.61 (0.92)
OPL/INL	-0.10 (1.31)	0.69 (1.12)	−0.11 (1.41)	0.73 (1.21)	−0.16 (0.96)	0.63 (0.75)
ELM	0.02 (0.75)	0.35 (0.67)	0.09 (0.91)	0.38 (0.83)	−0.20 (0.88)	0.42 (0.80)
ISe	0.02 (1.02)	0.33 (0.96)	0.06 (1.03)	0.35 (0.98)	−0.05 (0.78)	0.38 (0.68)
RPE	−0.13 (1.10)	0.48 (1.00)	−0.16 (1.15)	0.53 (1.03)	-0.12 (0.90)	0.47 (0.78)