ECoSim adds multi-modal controllability to pretrained diffusion and autoregressive traffic models via identity-initialized FiLM layers while using less than 1% paired control data on Waymo Open Sim Agents Challenge.
Make vehicle 1, vehicle 2... and the ego vehicle remain parked for the entire simulation
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ECoSim: Data Efficient Fine-Tuning for Controllable Traffic Simulation
ECoSim adds multi-modal controllability to pretrained diffusion and autoregressive traffic models via identity-initialized FiLM layers while using less than 1% paired control data on Waymo Open Sim Agents Challenge.