This paper proposed a new algorithm for image restoration based on spatial continuity and differential approximation.

文中提出了一种基于微分近似、利用图像的空间连续性进行图像修复的算法。

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This paper gives a brief description and analysis of two general methods of selectingcorrection factors, those are, by cut and trial and by differential approximation.

本文简要地介绍与分析了变位系数的一般选取方法即试算法与微分逼近法。

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Under homogeneous conditions, the application of this equation may give a differential approximation of high order accuracy for Lapace equation, Poisson equation and heat conduction equation.

在矩形网格上的九点差分近似的正确公式。使用它，在均质情况下，对拉普拉斯方程、布阿松方程和热传导方程可以构造出高阶精度的差分近似。

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