Symbols	Descriptions
G	complex random variable represents OCT data
S	complex random variable represents OCT signal
N	complex random variable represents additive noise
g	realization of OCT measurement
ΣG	population covariance matrix of OCT data
SG	sample covariance matrix of OCT data
sGpq	entries of SG
${\hat{q}}_N$	estimate of variance of noise N
ρG	population correlation coefficient of OCT data
ρS	population correlation coefficient of OCT signals
ρSNR	population de-correlation factor of OCT signals due to additive noise ρG/ρS
rG	sample correlation coefficient of OCT data
rS	sample correlation coefficient of OCT signal
${\overline{r}}_G$	estimate of data correlation coefficient
${\overline{r}}_S$	estimate of signal correlation coefficient
SNR	signal-to-noise ratio of OCT system E $\left[{\left|S\right|}^2\right]/\mathrm{E}\left[{\left|N\right|}^2\right]$
Δϕm	estimate of bulk-phase-offset
rm	decorrelation factor due to bulk motion
${\hat{r}}_m$	estimate of decorrelation factor rm
${\tilde{r}}_f$	net decorrelation due to flow
${\overline{r}}_{Sf}$	estimate of signal correlation coefficient after bulk-motion artifact removal
p	index of polarization channel (1,2,⋯,P)
f	index of frame (1,2,⋯,F)
D	averaging window size along axial direction
L	averaging window size along lateral direction