程序代码说明 P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波

该程序（jpeg_quality_score）是基于matlab平台，NR中精典算法，对JPEG压缩格式的图像进行客观评价-The program (jpeg_quality_score) is based on matlab platform, NR in the classical algorithm for JPEG image compression format to conduct an objective evaluation

可以完成灰度图像的算术编码和解码,来完成二维图像在matlab中的压缩处理-You can complete the grayscale image arithmetic encoding and decoding, to complete the two-dimensional image compression processing in matlab

Image Compression A collection of simple routines for image compression using different techniques. BTCODE: Image compression Using Block Truncation Coding. PYRAMID: Image compression based on Gaussian Pyramids. DCTCOMPR: