Table 3: Comparison of different denoising methods on PSNR and SSIM for Cassiopeia A.

Denoising method
PSNRSSIMPSNRSSIMPSNRSSIM

Noisy image28.13280.629722.11220.359418.59040.2291
Article [23]31.93120.828628.12010.803527.98110.6882
Article [24]31.18770.841528.18380.776226.88250.6673
Article [25]30.02560.786627.76730.754425.73360.6694
Article [26]32.36560.881030.16140.820128.89120.7325
Article [27]30.52670.809228.41420.778526.36350.6738
Article [28]32.52670.881930.24840.823428.62220.7363
The new method33.92130.898931.07650.826629.07330.7458