Table 1.

AME values and percentage evaluation of proposed method and combination of SIFT + LK tracking

	Proposed method Median ± st.dev. [px]	Phase-correlation part only Median ± st.dev. [px]	SIFT + LK tracking Median ± st.dev. [px]
Inside the ONH	0.78 ± 0.67	0.92 ± 0.78	0.82 ± 0.87
Outside the ONH	1.39 ± 0.63	1.62 ± 0.72	1.52 ± 0.73
# values <1 px (%)	33	28	30
# values between 1 and 2 px (%)	50	49	47
# values >2 px (%)	17	23	23