matlab 压缩率计算函数 用于计算压缩前后图像大小比值-matlab function of compression rate used to calculate the compression ratio before and after the image size

在数字图像处理中，运用MATLAB中的函数imratio可以计算图像压缩后的压缩比-In digital image processing, the use of the MATLAB functions imratio can calculate the compression ratio of the image compression