Previous works have shown that the ear is a promising candidate for biometric identification. However, in prior work, the preprocessing of ear images has had manual steps and algorithms have not necessarily handled problems caused by hair and ear

本文介绍了，生物概念以及生物识别几大类：指纹识别、手掌几何识别、视网膜识别、声音识别、静脉识别、步态识别。-This article describes the biological concept and biometric categories: fingerprint recognition, hand geometry recognition, retina recognition, voice recognition, vein recognition, gait recognitio