• 针对一维扩散方程给出种新型差分格式待定系数两种新型差分格式为例进行稳定性截断误差分析。

    Taking one-dimensional diffusing equation as the object of study, a method of undetermined coefficients was given. Then gave two examples and analyzed their stability and truncation error.

    youdao

  • 介绍了有序抖动误差扩散模板图像色调,在此基础,综述了现有半色调图像水印,并其中的四种方进行了比较。

    An overview of already proposed watermarking algorithms for halftone images is given, based on the introduction of three kinds of halftone methods, ordered dithering, error diffusion and pattern.

    youdao

  • 介绍了有序抖动误差扩散模板图像色调,在此基础,综述了现有半色调图像水印,并其中的四种方进行了比较。

    An overview of already proposed watermarking algorithms for halftone images is given, based on the introduction of three kinds of halftone methods, ordered dithering, error diffusion and pattern.

    youdao

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