ResearchBenchmarksTrajectory Synthesis on Procedural synthetic (test)Trajectory Synthesis on Procedural synthetic (test)Follow23Density ErrorGaussian21.829.93846.1May 11, 2026Evaluation resultsMethodMethodLinksDensity ErrorPattern ScoreAverage SpeedMap Reconstruction ScoreG-RankTransition ProbabilityLocal ImplausibilityTraffic FlowGaussian2026.052382602.586.53.318diffGHOSTGS (Guidance Scale)=1.0GS (Guidance Scale)=1.02026.05258.532.17.91.11.69diffGHOSTGS (Guidance Scale)=2.5GS (Guidance Scale)=2.52026.05278.642.57.70.83.19VAE2026.05475.9382.96.81.85.312DiffTrajGS (Guidance Scale)=3.0GS (Guidance Scale)=3.02026.05534.352.96.71.159