Study of Principal Component Analysis (PCA) as a Face Recognition Method

  • Amina Shtewi Computer Sciences Department, Sciences Faculty, Gharyan University, Charyan, Libya
  • Entisar Abolkasim Computer Sciences Department, Sciences Faculty, Gharyan University, Charyan, Libya
  • Mouna Jamom Computer Sciences Department, Sciences Faculty, Gharyan University, Charyan, Libya
  • Sana Shrif Computer Sciences Department, Sciences Faculty, Gharyan University, Charyan, Libya
Keywords: Face Recognition, Holistic Approach, Feature-Based Approach, Hybrid Approach, Principal Component Analysis.


Face recognition is a biometric technique that can be used for a variety of purposes; such as national security, access control, identity fraud, banking, and finding missing children. Faces are highly dynamic and facial features are not always easily extracted, which can lead to discarding textural information like the smoothness of faces, a hairstyle that, might contain strong identity information. In addition, brightness, scale, and facial expressions play a significant role in the face-recognizing process. Therefore, face recognition is considered as a difficult problem. To figure out this problem effective methods using databases techniques are needed. This paper describes face recognition methods and their structure. Based on Wen Yi Zhao and Rama Chellappa work the face recognition methods are divided into three groups: a holistic approach, feature-based approach, and hybrid approach, where, Principal Component Analysis PCA, a holistic approach method, is presented as a mathematical technique that can assist the process of face recognition. Also, the paper shows how the PCA is used to extract facial features by removing the principal components of the available multidimensional data.


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How to Cite
Shtewi, A., Abolkasim, E., Jamom, M. and Shrif, S. 2022. Study of Principal Component Analysis (PCA) as a Face Recognition Method. Scientific Journal for the Faculty of Science-Sirte University. 2, 1 (Apr. 2022), 28-32. DOI: