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Single-Image Dehazing Using Color Attenuation Prior Based on Haze-Lines

机译:基于雾度线的基于颜色衰减先验的单图像去雾

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In this paper, we propose a new single-image dehazing method for synthetic and real-world hazy images. Based on the color attenuation prior, this proposed dehazing method improves it in two aspects. First, we estimate the atmospheric light with the haze-lines prior, which is based on the observation that pixel values of a hazy image can be modeled as lines in the RGB color space that intersects at the air-light. Second, the dynamic scattering coefficient, which is an exponential function of image depth, is proposed to replace the constant scattering coefficient. Experimental results demonstrate that the dehazed image of proposed algorithm is clearer and more natural than that of the color attenuation prior. The proposed algorithm can effectively improve the effect of dehazing.
机译:在本文中,我们为合成和现实世界朦胧图像提出了一种新的单图像脱水方法。基于先前的颜色衰减,该提出的去吸附方法在两个方面提高了它。首先,我们以先前的雾线估计大气光,其基于观察到朦胧图像的像素值可以被建模为在空气光相交的RGB颜色空间中的线。其次,提出了一种是图像深度的指数函数的动态散射系数,以取代恒定的散射系数。实验结果表明,所提出的算法的去除像图像更清晰,更自然,而不是先前的颜色衰减。该算法可以有效地提高脱落的效果。

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