According to the experiment,its decorrelation is better than the JPEG line transformation,and at the same compression ratio,its PSNR is higher than JPEG,which means that its image quantity is better than JPEG.

• 实验表明,其去相关性能优于JPEG的线性变换,并且在同压缩比下,其PSNR高于JPEG,图像质量优于JPEG。