ResearchBenchmarksSpectral Image Reconstruction on Simulation Dataset 3 x 10^3 photons (bin2)Spectral Image Reconstruction on Simulation Dataset 3 x 10^3 photons (bin2)Follow42.45PSNRFSP-Diff25.331629.775834.2238.6642Feb 8, 2026Evaluation resultsMethodMethodLinksPSNRSSIMFSP-Diff2026.0242.450.9788DiffIR2026.0238.960.966CoreDiff2026.0237.860.9516FBPConvNet2026.0237.180.9452Dn-Dp2026.0235.070.8942TV2026.0234.40.9214FBP2026.0225.990.3835