作者根据约束性代价函数原理提出了能够使得截断误差最小化的中心差分优化算子。

This paper presents an optimization of centered finite-difference operator based on the principle of constrained cost function, which can reduce the truncation error to minimum.

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根据印刷图像处理技术的基本原理，针对印前的电子出版图像处理中存在的原稿图像运动模糊现象，介绍了约束最小二乘方滤波复原技术消除图像模糊方法。

The method of constrained least squares filter image restoration was introduced, which was applied to process image motion blur in original manuscript before the printing of electronic publishing.

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