理解和掌握图像的线性变换和直方图均衡化的原理及应用。

了解平滑处理的算法和用途，学习使用均值滤波、中值滤波和拉普拉斯锐化进行图像增强处理的程序设计方法。

了解噪声模型及对图像添加噪声的基本方法。

-Understand and master image of linear transformation and histogram equalization principle and application. Smoothing algorithms to understand and use, learning to use mean filtering, median filtering and Laplacian sharpening for image enhancement processing program design methods. Understanding of image noise model and the basic method of adding noise.