Abstract
Single haze removal is a challenging ill-posed problem. Most existing methods solving this dilemma depend on atmospheric physical scattering model. In other words, they recover haze-free images by estimating the atmospheric transmission. In this paper, we proposed a new recovery model called Residual Adding model, which takes dehazing procedure as a hazy image adding a loss image. Based on this new model, we proposed a single image dehazing network built with Conditional Generative Adversarial Nets (CGAN), called Residual Learning Dehazing Network (RLD-Net). Benefiting from the new model, the RLD-Net is designed as not only an end-to-end dehazing network but also a point-to-point mapping network. That means RLD-Net can take a hazy image as input and a corresponding clear image as output without any extract calculation like inversing atmospheric physical scattering model. Experimental results on both synthesized hazy images and real-world hazy images demonstrate our outstanding performance.
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