research MetaUrban A Simulation Platform for Embodied AI in Urban Spaces MetaVQA A Benchmark for Embodied Scene Understanding of Vision-Language Models Proxy Value Propagation A safe and super-efficient human-in-the-loop reinforcement learning method! ScenarioNet Open-source platform for large-scale traffic scenario modeling and simulation UCLA Center for Neurobehavioral Genetics Undergraduate Researcher UCLA Structure-Computer Interaction Lab Undergraduate Researcher Realistic RL training Environment Student Researcher