Deep Learning for Image Super-resolution: A Survey

Zhihao Wang,Jian Chen,Steven C H Hoi

IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)（2021）CCF ASCI 1区

South China Univ Technol

被引用2323|浏览289

摘要

Image Super-Resolution (SR) is an important class of image processing techniqueso enhance the resolution of images and videos in computer vision. Recent years have witnessed remarkable progress of image super-resolution using deep learning techniques. This article aims to provide a comprehensive survey on recent advances of image super-resolution using deep learning approaches. In general, we can roughly group the existing studies of SR techniques into three major categories: supervised SR, unsupervised SR, and domain-specific SR. In addition, we also cover some other important issues, such as publicly available benchmark datasets and performance evaluation metrics. Finally, we conclude this survey by highlighting several future directions and open issues which should be further addressed by the community in the future.

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关键词

Deep learning,Degradation,Animals,Benchmark testing,Measurement,Image super-resolution,deep learning,convolutional neural networks (CNN),Generative adversarial nets (GAN)