CIOMP OpenIR
Illumination compensation using Retinex model based on bright channel prior;Retinex
Li, Geng-Fei; Li, Gui-Ju; Han, Guang-Liang; Liu, Pei-Xun; Jiang, Shan
2018
发表期刊Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN1004924X
卷号26期号:5页码:1191-1200
摘要Aiming at the problem of image quality degradation caused by insufficient illumination, a retractive algorithm of bright channel was proposed to compensate the illumination intensity of the image. The algorithm assumed that the local constant light could initially satisfy the uniformity of illumination and was similar to the scene, and the bright channel operation was used to estimate the weight of the light component. The problem of blocking was usually solved by the local processing, but this would make the compensation image texture blurred or even lost, and the fusion strategy based on image structure similarity was designed. Finally, the Retinex theoretical model was used to compensate for the light. The experimental results show that the proposed algorithm is simple and efficient, and can compensate for the low illumination area of image shadows or nighttime images. Compared with the traditional algorithm, the peak signal to noise ratio (PNSR) is improved by about 5 dB and the structure similarity (SSIM) increased by more than 7%. The algorithm in the pure software system PC (CPU frequency 2.4 G) processing 640360 color video can reach 6-12 ms/frame, processing 320256 infrared video to reach 4-10 ms/frame, to meet the needs of the project. 2018, Science Press. All right reserved.
关键词Image texture Image quality Signal to noise ratio
DOI10.3788/OPE.20182605.1191
收录类别EI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60693
专题中国科学院长春光学精密机械与物理研究所
推荐引用方式
GB/T 7714
Li, Geng-Fei,Li, Gui-Ju,Han, Guang-Liang,et al. Illumination compensation using Retinex model based on bright channel prior;Retinex[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2018,26(5):1191-1200.
APA Li, Geng-Fei,Li, Gui-Ju,Han, Guang-Liang,Liu, Pei-Xun,&Jiang, Shan.(2018).Illumination compensation using Retinex model based on bright channel prior;Retinex.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,26(5),1191-1200.
MLA Li, Geng-Fei,et al."Illumination compensation using Retinex model based on bright channel prior;Retinex".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 26.5(2018):1191-1200.
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