The Impact of Illumination on Finger Vascular Pattern Recognition

Figure 11

The vascular pattern of the same finger captured using top illumination and wide beams in three sessions: (a) first session, (b) second session, (c) the third session, and (d) overlaid three sessions of finger vein patterns: session 1 (red), session 2 (green), and session 3 (blue).

(a)

(b)

(c)

(d)