ResearchBenchmarksSpectral Image Reconstruction on Simulation Dataset 3 x 10^3 photons (bin3)Follow42.28PSNRFSP-Diff24.766429.313233.8638.4068Feb 8, 2026Evaluation ResultsMethodMethodLinksPSNRSSIMFSP-Diff2026.0242.2897.65DiffIR2026.0238.8696.39CoreDiff2026.0238.1195.1FBPConvNet2026.0237.6395.02Dn-Dp2026.0234.5587.6TV2026.0233.8692.35FBP2026.0225.4435.91