1. K. Jain, A. Ross, S. Prabhakar.: An introduction to biometric recognition. In: IEEE, (2004)
2. Chellappa, R., Sinha, P., Phillips, P.: Face recognition by computers and humans. Computer 43(2), 46–55 (2010)
3. L. Hsiu-Hsia, C. Wen-Chung, Y. Chao- Tung, C. Chun-Tse, Z. Tianyi, L. Lun- Jou.: On construction of transfer learning for facial symmetry assessment before and after orthognathic surgery. In: Computer Methods and Programs in Biomedicine, Elsevier, (2021)
4. NIST, “FERET Database,” 2001. [Online]. Available: http://face.nist.gov/colorferet/. [Accessed 07 Oct 2021].
5. “LFW Database,” [Online]. Available: http://vis-www.cs.umass.edu/lfw/. [Accessed 7 Oct 2021].