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Occupancy-aware Trajectory Planning for Autonomous Valet Parking in Uncertain Dynamic Environments

Nawaz, Farhad, Tariq, Faizan M., Bae, Sangjae, Isele, David, Singh, Avinash, Figueroa, Nadia, Matni, Nikolai, D'sa, Jovin

arXiv.org Artificial Intelligence

Autonomous Valet Parking (AVP) requires planning under partial observability, where parking spot availability evolves as dynamic agents enter and exit spots. Existing approaches either rely only on instantaneous spot availability or make static assumptions, thereby limiting foresight and adaptability. We propose an approach that estimates probability of future spot occupancy by distinguishing initially vacant and occupied spots while leveraging nearby dynamic agent motion. We propose a probabilistic estimator that integrates partial, noisy observations from a limited Field-of-View, with the evolving uncertainty of unobserved spots. Coupled with the estimator, we design a strategy planner that balances goal-directed parking maneuvers with exploratory navigation based on information gain, and incorporates wait-and-go behaviors at promising spots. Through randomized simulations emulating large parking lots, we demonstrate that our framework significantly improves parking efficiency and trajectory smoothness over existing approaches, while maintaining safety margins.


THE BIG STUPID Stirewalt: The scariest statistic you'll see all day

FOX News

On the roster: The scariest stat you'll see all day -Trump tries outreach to Dems on DREAMers - Dems set demands on taxes - Flynn pushed plan that profited his client - 'You're my boy, Blue' THE SCARIEST STAT YOU'LL SEE ALL DAY When you consider the fact that a third of American adults cannot name a single branch of their federal government, you cease to wonder why things are so bad and begin to wonder why they are not already worse. In a poll conducted for the Annenberg Public Policy Center ahead of this weekend's celebration of the 229th anniversary of the ratification of the Constitution, only 26 percent of respondents could identify the executive, legislative and judicial branches, while 40 percent could name only one or two. Americans talk openly and often about the dumbing down of our culture, what we refer to as "The Big Stupid." It is a lament, but also something of a brag for people not clutched by ignorance of this magnitude. But it's easy to be an intellectual elite in a nation where not even half of the people know what kind of government they have.