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Restoration of haze-free images using Generative Adversarial Network

机译:使用生成的对抗网络恢复无阴霾图像

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Haze is the result of the interaction between specific climate and human activities. When observing objects in hazyconditions, optical system will produce degradation problems such as color attenuation, image detail loss and contrastreduction. Image haze removal is a challenging and ill-conditioned problem because of the ambiguities of unknownradiance and medium transmission. In order to get clean images, traditional machine vision methods usually use variousconstraints/prior conditions to obtain a reasonable haze removal solutions, the key to achieve haze removal is to estimatethe medium transmission of the input hazy image in earlier studies. In this paper, however, we concentrated on recoveringa clear image from a hazy input directly by using Generative Adversarial Network (GAN) without estimating thetransmission matrix and atmospheric scattering model parameters, we present an end-to-end model that consists of anencoder and a decoder, the encoder is extracting the features of the hazy images, and represents these features in highdimensional space, while the decoder is employed to recover the corresponding images from high-level coding features.And based perceptual losses optimization could get high quality of textural information of haze recovery and reproducemore natural haze-removal images. Experimental results on hazy image datasets input shows better subjective visualquality than traditional methods. Furthermore, we test the haze removal images on a specialized object detection network-YOLO, the detection result shows that our method can improve the object detection performance on haze removal images,indicated that we can get clean haze-free images from hazy input through our GAN model.
机译:阴霾是特定气候与人类活动之间相互作用的结果。在朦胧中观察物体时条件,光学系统将产生劣化问题,如色彩衰减,图像细节丢失和对比度减少。由于未知的含义,图像雾霾删除是一个挑战性和有害的问题辐射和中等传输。为了获得清洁图像,传统的机器视觉方法通常使用各种各样获得合理的雾度去除解决方案的约束/现有条件,实现雾度去除的关键是估计在早期研究中输入朦胧图像的中等传输。然而,在本文中,我们专注于恢复通过使用生成的对冲网络(GaN)直接来自朦胧输入的清晰图像,而无需估计传输矩阵和大气散射模型参数,我们提出了一个由一个端到端的模型组成编码器和解码器,编码器正在提取朦胧映像的功能,并表示高处的这些功能尺寸空间,而解码器被用于从高级编码特征恢复相应的图像。基于感性的损失优化可以获得高质量的雾度恢复和繁殖更自然的阴霾清除图像。朦胧图像数据集输入上的实验结果显示了更好的主观视觉质量比传统方法。此外,我们在专用物体检测网络上测试雾霾清除图像 - YOLO,检测结果表明,我们的方法可以改善雾霾去除图像上的物体检测性能,指出,我们可以通过我们的GaN模型从朦胧输入获得清洁的阴霾图像。

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