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An optical biometric authentication tool using photoacoustic tomography to map a subject’s finger veins in 3D could provide a nearly uncrackable security method. Researchers at SUNY Buffalo developed the biometric authentication technique. Tests showed that the method performed with 99% accuracy in accepting and/or rejecting identities.
Photoacoustic finger vessel images from eight different subjects. Different colors represent different depths. Courtesy of Jun Xia, SUNY Buffalo.
“The 3D finger vein biometric authentication method we developed enables levels of specificity and anti-spoofing that were not possible before,” said Jun Xia, research team leader in the optical and ultrasonic imaging laboratory….