With the rapid growth of the LED's screen resolution, the problem that low-resolution images will be blurred when displayed could not be ignored. This paper extended the low-resolution images with information obtained through the image super-resolution technique. The simulation shows that images after super-resolution would gain better visual effect when displayed in high-resolution LED displays with various scale.%随着LED显示屏分辨率的日益增长，低分辨率图像的显示模糊问题已不容忽视。本文采用图像超分辨率技术对低分辨率图像进行信息填充，仿真结果表明，处理后的图像在不同规格的高分辨率LED显示屏播放时均具有更好的视觉效果。
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