Table 1. Descriptions of symbols.

Symbols	Descriptions
l	Index of axial line (A-line) in a repeated cycle (0, 1, ⋯, Lx − 1).
Lx	Number of A-lines in a repeated cycle.
m	Count of repeated cycles in a repeat-cycle-set (0, 1, ⋯, M − 1).
M	Number of repeated cycles in a repeat-cycle-set.
n	Index of repeat-cycle-set.
k	Total count of repeat-cycle-set (= m + M · n), which is counted from the beginning of the whole scan trajectory.
i	Index of A-line in ascending order of acquisition time (= l + Lx · k).
z	Index of pixel in an A-line.
p	Index of polarization channel.
δ	Number of A-lines during the margin between repeated cycles.
x(t), y(t)	Standard Lissajous trajectory parameterized usin t.
t	Time.
Ax, Ay	Amplitudes of x- and y-scanning patterns, respectively.
Tx, Ty	Periods of x- and y-scanning patterns, respectively.
x′(t), y′ (t)	Modified Lissajous trajectory for OCT-A.
χx(t), χy(t)	Temporal functions used to modify the Lissajous pattern.
χx,i, χy,i	Discrete values of χ when the i-th A-line is acquired.
ΔT	Duration of the margin between repeated cycles.
Tc	Time lag between repeated scans at the same location.
TA	Period of A-lines.
g	Complex OCT signal.
g n	Pair of OCT signals used to compute OCT-A at the n-th repeat-cycle-set.
rn	Temporal correlation coefficient of OCT data for OCT-A at the n-th repeat-cycle-set.
El,n	En face OCT-A data at the l-th A-line of the n-th repeat-cycle-set.
ρn	Cross-correlation coefficient between en face OCT-A of adjacent repeat-cycle-sets.