离散余弦变换图像压缩-分块,变换,编码,传送,解码-Discrete cosine transform image compression- block, transform, coding, transmission, decoding

使用matlan对lena图像进行PCA主成分分析压缩。包含变换，还原等。-Use matlan for lena image compression PCA principal component analysis. It contains transformation, reduction and the like.