The Impact of Illumination on Finger Vascular Pattern Recognition

Figure 7

Finger vascular pattern extraction using wide beams for (a) top, (b) right-side, (c) left-side illumination, and (d) overlay of finger vein patterns using top illumination (red), right-side illumination (green), and left-side illumination (blue).

(a)

(b)

(c)

(d)