ResearchBenchmarksPET image restoration on OOD Data uLD-PET 2PET image restoration on OOD Data uLD-PET 2Follow30.37PSNR (dB)MFdiff23.474825.264927.05528.8451Feb 12, 2026Evaluation resultsMethodMethodLinksPSNR (dB)SSIMNMSEMFdiff2026.0230.3797.21CSRD2026.0229.6996.50.9EA-GAN2026.0227.8893.31.6Hi-Net2026.0227.896.42CNCL2026.0227.3495.61.8M-UNet2026.0226.2293.61.3LPET2026.0223.7490.54.6