基于深度学习的图像超分辨率复原研究进展

Review on Deep Learning Based Image Super-resolution Restoration Algorithms

图像超分辨率复原(Super resolution restoration,SR)技术是图像处理领域的研究热点,在视频监控、图像处理、刑侦分析等领域具有广泛的应用需求.近年来,深度学习在多媒体处理领域迅猛发展,基于深度学习的图像超分辨率复原技术已逐渐成为主流技术.本文主要对现有基于深度学习的图像超分辨率复原工作进行综述.从网络类型、网络结构、训练方法等方面分析现有技术的优势与不足,对其发展脉络进行梳理.在此基础上,本文进一步指出了基于深度学习的图像超分辨率复原技术的未来发展方向.

Super resolution image restoration technology is a hot field of image processing in the field of video surveillance, image processing, forensic analysis, with a wide range of application requirements. In recent years, the rapid development of deep learning in the field of multimedia processing, deep learning based super-resolution images restoration has gradually become a mainstream technology. This paper reviews the existing deep learning based image super-resolution restoration work. In terms of network type, network structure, and training methods, the advantages and disadvantages of the prior art are analyzed and the development contexts are sorted out. On this basis, the paper further points out the future direction of the restoration technique based on deep learning of the super-resolution image.