Fig. 1. Principle diagram of SSOCT imaging system

Fig. 2. Physical photograph of SSOCT imaging system

Fig. 3. Flow chart of DSDLI algorithm

Fig. 4. (a) 3 mm×3 mm labelled zone of left-hand ring finger; blood flow cross-section images of left-hand ring finger obtained by (b) PID, (c) SV, and (d) DSDLI algorithms, respectively; blood flow en-face images of left-hand ring finger obtained by (e) PID, (f) SV and (g) DSDLI algorithms, respectively

Fig. 5. (a) 3 mm×3 mm labelled zone of left-hand palm; blood flow cross-section images of left-hand palm obtained by (b) PID, (c) SV and (d) DSDLI algorithms, respectively; blood flow en-face images of left-hand palm obtained by (e) PID, (f) SV and (g) DSDLI algorithms, respectively