Abstract
The rain removal task is to restore a clean image from the contaminated image by separating the background. Since the rise of deep learning in 2016, the task of image deraining has also stepped into the era of deep learning. Numerous researchers have devoted themselves to the field of computer vision and pattern recognition. However, there is still a lack of comprehensive review papers focused on using deep learning to perform rain removal tasks. In this paper, we present a comprehensive review of single image deraining based on deep learning over the past ten years. Two categories of deraining methods are discussed: the data-driven approach and the data-model-based approach. For the first type, we compare the existing network structures and loss functions. For the second type, we analyze the combination of different deraining models with deep learning, and each branch method is introduced in detail. Additionally, we quantitatively investigate the performances of the existing state-of-the-art methods on both publicly synthetic and real datasets. The trend of image deraining is also discussed.
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