Fig. 1. OCTA nearly 16 years published literature trend (source:https://www.ncbi.nlm.nih.gov/pubmed, in order to "optical coherence tomography angiography" as a keyword search)

Fig. 2. Split-spectrum diagram^[32].(a) Schematic of band-pass filtering spectral analysis; (b) spectral analysis process of original 2D interferogram

Fig. 3. Inverse SNR-decorrelation asymptotic relation and its variance^[40].(a) OCT data; (b)‒(d) ID asymptotic relation; (e) plot of standard variance to mean value of decorrelation for static voxels; (f) plot of squared coefficient of variance to spatio-temporal average kernel size for all static voxels

Fig. 4. Network architecture of vascular imaging based on CNN^[45]

Fig. 5. Method for determining CNV area and bone^[62]

Fig. 6. Retinal OCTA images of albino rats processed by three OCTA methods^[67].(a) OCT fundus image; (b)‒(d) superficial retinas; (e) OCT cross-sectional image; (f)‒(h) deep in the retina; (i)‒(k) RPE layer of the retina; (l)‒(m) color-coded map of all layers of the retina

Fig. 7. Comparison of two OCTA algorithms in the evaluation of four quantitative indicators^[67]