Low-light image restoration using bright channel prior-based variational Retinex model

S Park, B Moon, S Ko, S Yu, J Paik - EURASIP Journal on Image and …, 2017 - Springer
This paper presents a low-light image restoration method based on the variational Retinex
model using the bright channel prior (BCP) and total-variation minimization. The proposed …

Low‐light image enhancement based on exponential Retinex variational model

X Chen, J Li, Z Hua - IET Image Processing, 2021 - Wiley Online Library
Aiming at the problems of residual noise, low contrast, and limited detail information caused
by low‐light images, this paper proposes a new Retinex variational model. According to …

Retinex based low-light image enhancement using guided filtering and variational framework

S Zhang, G Tang, X Liu, S Luo, D Wang - Optoelectronics Letters, 2018 - Springer
A new image enhancement algorithm based on Retinex theory is proposed to solve the
problem of bad visual effect of an image in low-light conditions. First, an image is converted …

Low-light image enhancement using variational optimization-based retinex model

S Park, S Yu, B Moon, S Ko… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper presents an optimization-based low-light image enhancement method using
spatially adaptive l 2-norm based Retinex model. The proposed method adaptively enforces …

Joint denoising and enhancement for low-light images via retinex model

M Li, J Liu, W Yang, Z Guo - International Forum on Digital TV and …, 2017 - Springer
Guided by the Retinex model, image decomposition based low-light image enhancement
methods attempt to manipulate the estimated illumination and project it back to the …

Low-light image enhancement based on directional total variation Retinex

J Zhang, P Zhou, M Xue - Journal of Computer-Aided Design & Computer …, 2018 - jcad.cn
In order to improve the visual quality of low-light image, a kind of low-light image
enhancement method based on directional total variation Retinex was proposed. Firstly, the …

A novel low-light enhancement via fractional-order and low-rank regularized retinex model

B Chen, Z Guo, W Yao, X Ding, D Zhang - Computational and Applied …, 2023 - Springer
Most of existing low-light image enhancement approaches either fail to consider fine parts of
the image or fail to consider intensive noise. To overcome these drawbacks, this paper …

Low-light enhancement based on an improved simplified Retinex model via fast illumination map refinement

S Hao, X Han, Y Zhang, L Xu - Pattern Analysis and Applications, 2021 - Springer
Low-light enhancement is an important post-image-processing technique, as it helps to
reveal hidden details from dark image regions. In this paper, we propose a fast low-light …

Structure-revealing low-light image enhancement via robust retinex model

M Li, J Liu, W Yang, X Sun, Z Guo - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Low-light image enhancement methods based on classic Retinex model attempt to
manipulate the estimated illumination and to project it back to the corresponding reflectance …

Low-light image enhancement via poisson noise aware retinex model

XY Kong, L Liu, YS Qian - IEEE Signal Processing Letters, 2021 - ieeexplore.ieee.org
Limited by the number of available photons collected by a pixel and the stability of the
imaging system, images captured under poor illumination conditions are often degraded by …