对JPEG2000压缩编码后的码流文件用matlab进行RS信道编码，再BSC信道仿真，RS解码，计算PSNR- with JPEG2000 code stream file， using matlab to simulated the RS channel coding, and then BSC channel simulation, RS decoding, calculation of PSNR

基于contourlet的图像压缩编码，其中包括计算PSNR值，压缩比和运行时间-Contourlet-based image compression coding, including the calculation of PSNR values, compression ratio and run-time

彩色图像psnr值计算，图像压缩编码后的峰值信噪比-Color image psnr values, image compression encoded PSNR

基于小波的图像压缩方法——游程编码，其中包括计算PSNR值，压缩比和运行时间。-Wavelet-based image compression method- RLE, including the calculation of PSNR value, the compression ratio and running time.