1. Yu, S., Lu, Y., Zhou, J.: A survey of face detection, extraction and recognition. J. Comput. Inf. 22, 163–195 (2003)
2. Sharif, M., Naz, F., Yasmin, M., Shahid, M.A., Rehman, A.: Face recognition: a survey. J. Eng. Sci. Technol. Rev. 10(2), 166–177 (2017)
3. Patel, R., Rathod, N., Shah, A.: Comparative analysis of face recognition approaches: a survey. Int. J. Comput. Appl. 57(17), 50–61 (2012)
4. Khade, B.S., Gaikwad, H.M., Aher, A.S., Patil, K.K.: Face recognition techniques: a survey. Int. J. Comput. Sci. Mob. Comput. 5(11), 65–72 (2016)
5. Fu, T., Chiu, W., Wang, Y.F.: Learning guided convolutional neural networks for cross-resolution face recognition. In: 2017 IEEE 27th International Workshop on Machine Learning for Signal Processing (MLSP) (2017)