The basic principle of the use of the contact screens is analyzed with some experimental results illustrating applications of the technique to non-linear image processing.
文章对密着网屏的基本使用原理作了分析，并以数种实验结果解释网屏如何用在非线性光学图象处理上。
The enhancement of image has linear and non-linear enhancement, and includes global enhancement and local enhancement.
图像增强分为线性增强和非线性增强，其方法有两种：全局的和局部的。
The experiment results show that although there is severe non-linear distortion in the source image , the perfect images can be obtained through the undistorted methods applied in this paper.
实验结果表明，尽管源图像存在严重的非线形畸变，使用本文中的畸变校正的方法，仍然可以获得无畸变的理想图像。
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