高清现实不断增强分析一点一滴的原始来源，锐化边缘及音响细节，同时减少的影响，胶片颗粒。
HD Reality Enhancer continually analyzes bit by bit of the original source, sharpening edges and reproducing detail, while reducing the effects of film grain.
因此，本文主要致力于对偏微分方程的改进，在该方程基础上加上一个冲击滤波算子，冲击滤波算子的主要作用是在检测到边缘信息时产生一个冲击，使边缘细节信息得到增强。
Therefore, we emphasize on the improvement of the PDE by adding a shock filter operator. The shock filter's main function is creating a shock when detecting an edge to enhance the edge information.
中值滤波技术是一种在去除噪声的同时能较好保护图像边缘细节的非线性技术，在图像增强和恢复等领域中得到了广泛的应用。
Median filter technology is a non-linear technology that can preserve image edge while removing noise. It is used in many fields widely, e. g. image enhancing and restoration.
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