Author(s)

Yao Chen¹, Ao Chen^2*, Zhiwei Jiang¹, Jianfu Zhong¹

¹School of Information and Electronic Engineering, Zhejiang Gongshang University, Hangzhou, China.
²Jinhua Public Security Bureau, Jinhua, China.

With the continuous development of technology, face recognition technology has played an important role in police work. In order to get a clear face image, image preprocessing technology is needed. This paper mainly proposes illumination compensation technology and reconstruction technology based on symmetry.

Wiener Filter, Logarithmic Transformation, Wavelet Transform, Symmetry, Gradient Descent

Chen, Y. , Chen, A. , Jiang, Z. and Zhong, J. (2019) Surveillance Video Portrait Recognition Preprocessing Technology for Police Actual Combat. Open Journal of Applied Sciences, 9, 394-402. doi: 10.4236/ojapps.2019.95033.