ResearchBenchmarksSpectral Image Reconstruction on Simulation Dataset 3 x 10^3 photons (bin4)Spectral Image Reconstruction on Simulation Dataset 3 x 10^3 photons (bin4)Follow43.14PSNRFSP-Diff25.366429.980734.59539.2093Feb 8, 2026Evaluation resultsMethodMethodLinksPSNRSSIMFSP-Diff2026.0243.140.9811DiffIR2026.0239.50.9702CoreDiff2026.0237.920.9422FBPConvNet2026.0237.830.9525Dn-Dp2026.0235.260.8945TV2026.0234.790.9326FBP2026.0226.050.388