“…Human identification through hand vein patterns is a technique that appeared in 1990 and has been studied since then by several researchers. Typically, the vein pattern images used for people recognition include zones of interest like fingers, 2, 3 palm region, [4][5][6] dorsum of hand, [7][8][9][10] forearm, and wrist. 11,12 In recent years, hand vein pattern recognition, as an emerging biometrics technology, has received much attention.…”