• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Single Low-Light Ghost-Free Image Enhancement via Deep Retinex Model


Abstract

Low-light image enhancement is a key technique to overcome the quality degradation of photos taken under scotopic vision illumination conditions. The degradation includes low brightness, low contrast, and outstanding noise, which would seriously affect the vision of the human eye recognition ability and subsequent image processing. In this paper, we propose an approach based on deep learning and Retinex theory to enhance the low-light image, which includes image decomposition, illumination prediction, image reconstruction, and image optimization. The first three parts can reconstruct the enhanced image that suffers from low-resolution. To reduce the noise of the enhanced image and improve the image quality, a super-resolution algorithm based on the Laplacian pyramid network is introduced to optimize the image. The Laplacian pyramid network can improve the resolution of the enhanced image through multiple feature extraction and deconvolution operations. Furthermore, a combination loss function is explored in the network training stage to improve the efficiency of the algorithm. Extensive experiments and comprehensive evaluations demonstrate the strength of the proposed method, the result is closer to the real-world scene in lightness, color, and details. Besides, experiments also demonstrate that the proposed method with the single low-light image can achieve the same effect as multi-exposure image fusion algorithm and no ghost is introduced.


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Cite this article

[IEEE Style]
Y. Liu, B. Lv, J. Wang, W. Huang, T. Qiu, Y. Chen, "Single Low-Light Ghost-Free Image Enhancement via Deep Retinex Model," KSII Transactions on Internet and Information Systems, vol. 15, no. 5, pp. 1814-1828, 2021. DOI: 10.3837/tiis.2021.05.013.

[ACM Style]
Yan Liu, Bingxue Lv, Jingwen Wang, Wei Huang, Tiantian Qiu, and Yunzhong Chen. 2021. Single Low-Light Ghost-Free Image Enhancement via Deep Retinex Model. KSII Transactions on Internet and Information Systems, 15, 5, (2021), 1814-1828. DOI: 10.3837/tiis.2021.05.013.

[BibTeX Style]
@article{tiis:24645, title="Single Low-Light Ghost-Free Image Enhancement via Deep Retinex Model", author="Yan Liu and Bingxue Lv and Jingwen Wang and Wei Huang and Tiantian Qiu and Yunzhong Chen and ", journal="KSII Transactions on Internet and Information Systems", DOI={10.3837/tiis.2021.05.013}, volume={15}, number={5}, year="2021", month={May}, pages={1814-1828}}