ResearchBenchmarksCT Reconstruction on 512^2-projection dataset 50-view (test)CT Reconstruction on 512^2-projection dataset 50-view (test)Follow38.09PSNRR2-Gaussian23.873227.564131.25534.9459Apr 2, 2026Evaluation resultsMethodMethodLinksPSNRSSIMTime (s)R2-GaussianIterations=400Iterations=4002026.0438.0993.95FaCT-GSIterations=400Iterations=4002026.0437.9794.31FaCT-GSIterations=150Iterations=1502026.0437.3493.929FISTAIterations=100Iterations=1002026.0435.8592.346NAF2026.0434.4189.122SIRTIterations=600Iterations=6002026.0432.5481.51IntraTomo2026.0429.2482.119FDK2026.0424.4229.6—