ResearchBenchmarksCT Reconstruction on 512^2-projection dataset 25-view (test)CT Reconstruction on 512^2-projection dataset 25-view (test)Follow35.33PSNRFaCT-GS20.104424.057228.0131.9628Apr 2, 2026Evaluation resultsMethodMethodLinksPSNRSSIMReconstruction TimeFaCT-GSIterations=400Iterations=4002026.0435.339238R2-GaussianIterations=400Iterations=4002026.0435.2391.22FaCT-GSIterations=150Iterations=1502026.0434.8691.415FISTAIterations=100Iterations=1002026.0433.5189.839NAF2026.0431.6184.911SIRTIterations=600Iterations=6002026.0430.1176.41IntraTomo2026.0428.7180.89FDK2026.0420.6918.1—