A Comparative Study of Cross-Device Finger Vein Recognition Using Classical and Deep Learning Approaches

Figure 5

Acquisition devices: (a) UTFV device; (b) ZkTeco device; (c) IDIAP device; (d) NTNU device; (e) PFV_L device; (f) PFV_C device.

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(b)

(c)

(d)

(e)

(f)