Transactions on Machine Intelligence

Transactions on Machine Intelligence

Identity Recognition from Ear Images Using Local Binary Pattern and Local Phase Quantization

Document Type : Original Article

Authors
1 Assistant Professor, Department of Computer Science and Information Technology, Razi University, Kermanshah, Iran
2 M.Sc. Student in Information Technology Engineering, Department of Computer Science and Information Technology, Razi University, Kermanshah, Iran
Abstract
One of the challenges posed by technological advancements in modern society is the issue of identity verification and authentication. Among various biometric identification methods, ear biometrics is a relatively new approach. Identity recognition has garnered significant attention in the realm of biometrics, particularly with the advancement of image processing techniques. Among various biometric traits, ear recognition is emerging as a reliable method due to the unique structure of human ears. The human ear possesses unique characteristics that make it suitable for identity recognition. In this study, we employ Local Binary Pattern (LBP) and Local Phase Quantization (LPQ) operators for pattern recognition in ear images. To reduce the feature vector size and enhance classifier accuracy, we apply Principal Component Analysis (PCA) to the features extracted using LBP. Finally, we utilize the k-Nearest Neighbors (k-NN) algorithm with the Canberra similarity measure for classification. To evaluate the efficiency of our proposed method, we conducted experiments on the USTB-1 database, which contains 180 images from 60 individuals, achieving an accuracy of 98.33%.
Keywords

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Volume 4, Issue 3
Summer 2021
Pages 128-136

  • Receive Date 03 May 2021
  • Revise Date 12 July 2021
  • Accept Date 10 September 2021