Abstract
For forensic human identification, one of the most important methods is by opting for protocols of biometrics. The outer human ear, also known as auricle or pinna, has unique characteristics, which are not even the same in identical twins. Thus, considering the uniqueness, reliability, and easy collectability of this trait, herein, a novel method is proposed for human identification namely Automated Ear Pinna Identification (AEPI). The proposed method opts for potentials of deep learning, by creating a unique blend of deep representation from a residual network and a spatial encoding block to identify human ear pinna imagery. The evaluation of the proposed method is also performed by comparing both, same and different ear pinna image pairs. Based on the evaluation, it is observed that the proposed method is 87.207% accurate for classification among classes of the dataset, 97.2% for gender-based classification and 99.0% accurate for identifying humans based on ear pinna images. These scores depict the strong potential and contribution of the proposed method in the field of ear biometrics and it is concluded that AEPI can aid the identification of humans based on ear pinna images in an accurate, effective and efficient manner. AEPI is freely available at (http://zeetu.org/AEPI.html).
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Data availability
Dataset used was a recently reported publicly available dataset, which can be downloaded at https://data.mendeley.com/datasets/yws3v3mwx3/4.
Code availability
Source code is available at: https://github.com/UsamaHasan/AEPI-Automated-Ear-Pinna-Identification. The standalone application is available at: http://zeetu.org/AEPI.html.
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Hasan, U., Hussain, W. & Rasool, N. AEPI: insights into the potential of deep representations for human identification through outer ear images. Multimed Tools Appl 81, 10427–10443 (2022). https://doi.org/10.1007/s11042-022-12025-9
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DOI: https://doi.org/10.1007/s11042-022-12025-9