Biometric is physical or behavioral characteristics that can be used for human Unique Identification. Biometric verification has become common and refers to an automatic verification of a person predicated on some concrete biometric features derived from his/her physiological and/or behavioral characteristics and is more reliable than the traditional username and password system Applications for biometric ranges from ATM, computers, security installations, mobile phones, credit cards, health and gregarious accommodations. In this paper, we contribute to these surveys by discussing recent ear recognition techniques proposed until the first quarter of 2018 and the applications developed for the same. We pay special attention to the recently developed acoustic and smartphone-based ear recognition techniques.

Ear, biometric, ear-acoustics

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