Papers › Self-Refining Deep Symmetry Enhanced Network for Rain Removal
Self-Refining Deep Symmetry Enhanced Network for Rain Removal
Hanrong Ye, Xia Li, Hong Liu, Wei Shi, Mengyuan Liu, Qianru Sun
Rain removal aims to extract and remove rain streaks from images. Although convolutional neural network (CNN) based methods have achieved impressive results in this field, they are not equivariant to object rotation, which decreases their generalization capacity for tilted rain streaks. In order to solve this problem, we propose Deep Symmetry Enhanced Network (DSEN). DSEN extracts rotationally equivariant features of rain streaks, and then generates rain layer for image restoration. Furthermore, an efficient self-refining mechanism is designed to remove tilted rain streaks more thoroughly. Experimental study verifies the validity of our method, with self-refining DSEN yielding the state-of-the-art performance on both synthetic and real-world rain image datasets.
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