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图像超分辨率是指从一序列低分辨率观测图像中重建高分辨率图像。图像超分辨率充分利用了各帧图像间相似而又不同的信息。该技术可以广泛应用于遥感、医学成像和高清晰度电视等多个领域。回顾了经典超分辨率算法,介绍了目前超分辨率算法及其扩展研究方向的一些最新进展,指出了图像超分辨率有待进一步研究的几个可能的方向。
Image super-resolution refers to the reconstruction of high-resolution images from a sequence of low-resolution observations. The image super-resolution takes full advantage of similar and different information between frames. The technology can be widely used in remote sensing, medical imaging and high definition television and other fields. The classical super-resolution algorithm is reviewed. Some recent advances in super-resolution algorithms and their research directions are introduced. Some possible directions for further research on super-resolution of images are pointed out.