1. What is facial recognition?—Definition from Techopedia. Techopedia.com. https://www.techopedia.com/definition/32071/facial-recognition. Accessed 03 Mar 2020
2. I. Marqués, M. Granã, Face recognition algorithms, 16 June 2010
3. X. Zhang, X. Ren, Two dimensional principal component analysis based independent component analysis for face recognition, in 2011 International Conference on Multimedia Technology (Hangzhou, 2011), pp. 934–936
4. J. Shermina, Illumination invariant face recognition using discrete cosine transform and principal component analysis, in 2011 International Conference on Emerging Trends in Electrical and Computer Technology (Nagercoil, 2011), pp. 826–830
5. X. Nie, Z. Tan, Face recognition using bidirectional principal component analysis and wavelet transform, in 2011 International Conference on Electric Information and Control Engineering (Wuhan, 2011), pp. 4203–4206