experiment1

代码说明：

  1了解离散余弦正变换和逆变换的原理； 2理解离散余弦变换系数的特点； 3了解离散余弦变换在图像数据压缩中的应用； 4通过本实验掌握利用MATLAB编程实现数字图像的余弦变换； (1 for the discrete cosine transform and inverse transform principle understand the characteristics of the discrete cosine transform coefficients 3 for discrete cosine transform image data compression 4 master using MATLAB programming for digital image cosine transform through this experiment )