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• W3167268663 abstract "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 theory, it is necessary to estimate the illumination and reflectance components decomposed from the original image. In order to better maintain the edge information, texture richness, and prevent artefacts, the exponential forms of local variation deviation and total variation are used as illumination prior and reflectance prior, respectively, and mixed norms are used to constrain them, so as to deal with the illumination information and texture details of the image more effectively, and then use the bright channel prior to improve the colour reproduction sense of the original image, thereby constructing the objective function, and finally using the alternating iterative optimization method to find the optimal solution to the proposed model. Experiments show that compared with other existing image enhancement methods, the method proposed here improves the contrast of the image, overcomes the phenomenon of halo artefacts and colour distortion, is more consistent with human vision, and produces better results in terms of quantitative performance." @default.
• W3167268663 created "2021-06-22" @default.
• W3167268663 creator A5028836596 @default.
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• W3167268663 date "2021-06-15" @default.
• W3167268663 modified "2023-10-15" @default.
• W3167268663 title "Low‐light image enhancement based on exponential Retinex variational model" @default.
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• W3167268663 doi "https://doi.org/10.1049/ipr2.12287" @default.
• W3167268663 hasPublicationYear "2021" @default.
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