title: Realistic Image Rendition Using a Variable Exponent Functional Model for Retinex.
abstract: The goal of realistic image rendition is to recover the acquired image under imperfect illuminant conditions, where non-uniform illumination may degrade image quality with high contrast and low SNR. In this paper, the assumption regarding illumination is modified and a variable exponent functional model for Retinex is proposed to remove non-uniform illumination and reduce halo artifacts. The theoretical derivation is provided and experimental results are presented to illustrate the effectiveness of the proposed model.
authors.affiliation: Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing Institute of Technology, Beijing 100081, China. douzeyang123@163.com.
authors.forename: Zeyang
authors.initials: Z
authors.lastname: Dou
authors.affiliation: Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing Institute of Technology, Beijing 100081, China. gaokun@bit.edu.cn.
authors.forename: Kun
authors.initials: K
authors.lastname: Gao
authors.affiliation: School of Science, Communication University of China, Beijing 100024, China. zhangbin628@cuc.edu.com.
authors.forename: Bin
authors.initials: B
authors.lastname: Zhang
authors.affiliation: School of Science, Communication University of China, Beijing 100024, China. yuxinyan@cuc.edu.com.
authors.forename: Xinyan
authors.initials: X
authors.lastname: Yu
authors.affiliation: Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing Institute of Technology, Beijing 100081, China. hanlubest1@163.com.
authors.forename: Lu
authors.initials: L
authors.lastname: Han
authors.affiliation: Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing Institute of Technology, Beijing 100081, China. zhenyu0212@sina.cn.
authors.forename: Zhenyu
authors.initials: Z
authors.lastname: Zhu
keywords: Retinex; halo artifact; illumination removal; image rendition; variable exponent functional