Scientists from the Electronics and Computer Science department at the University of Southampton in the UK have presented a paper at the IEEE Fourth International Conference on Biometrics that outlays a technique that can highlight tubular structures such as human ears to make them a viable biometric mode, according to a University of Southampton News article.
The technique utilizes a piece of equipment called an image ray transform that enables the structure of the ear to be highlighted properly for enrollment and identification verification.
The scientists expect similar techniques using the image ray transform may also be possible in creating new ways to use gait biometrics, identifying someone by their physical stance and walking cycle, and in various 3D biometrics scenarios.
Additionally, the technique that they laid out in their paper takes into account potential issues such as ears being concealed by hair by having the technique isolate the ear from the head when identifying.
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