{"url":"/dataset/ucy","name":"UCY","full_name":null,"description_markdown":"The **UCY** dataset consist of real pedestrian trajectories with rich multi-human interaction scenarios captured at 2.5 Hz (Δt=0.4s). It is composed of three sequences (Zara01, Zara02, and UCY), taken in public spaces from top-view.\r\n\r\nSource: [Trajectron++: Dynamically-Feasible Trajectory Forecasting With Heterogeneous Data](https://arxiv.org/abs/2001.03093)\r\nImage Source: [http://trajnet.stanford.edu/data.php?n=1](http://trajnet.stanford.edu/data.php?n=1)","description_withheld":null,"homepage":"https://graphics.cs.ucy.ac.cy/research/downloads/crowd-data.html","introduced_date":"2007-01-01","introduced_date_note":null,"introduced_by":{"paper":null,"title":"Crowds by Example","first_author":null,"url":"https://doi.org/10.1111/j.1467-8659.2007.01089.x"},"license":{"name":"Unknown","url":null},"modalities":[{"name":"Images","url":"/datasets/modality/images"},{"name":"Videos","url":"/datasets/modality/videos"}],"tasks":[{"name":"Trajectory Prediction","url":"/task/trajectory-prediction","datasets_with_task":"/datasets/task/trajectory-prediction"},{"name":"Trajectory Forecasting","url":"/task/trajectory-forecasting","datasets_with_task":"/datasets/task/trajectory-forecasting"},{"name":"motion prediction","url":"/task/motion-prediction","datasets_with_task":"/datasets/task/motion-prediction"}],"languages":[],"variants":["UCY"],"data_loaders":[],"num_papers_in_archive":170,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/trajectory-prediction-on-ucy","task":"Trajectory Prediction","dataset_variant":"UCY","rows":1,"metrics":["Avg AMD/AMV 8/12"],"first_row_in_archive_order":{"model":"Social-Implicit","paper":"/paper/social-implicit-rethinking-trajectory","metrics":{"Avg AMD/AMV 8/12":"0.90"},"code_links":[{"title":"abduallahmohamed/social-implicit","url":"https://github.com/abduallahmohamed/social-implicit"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/social-implicit-rethinking-trajectory","title":"Social-Implicit: Rethinking Trajectory Prediction Evaluation and The Effectiveness of Implicit Maximum Likelihood Estimation","date":"2022-03-06","rows_on_this_dataset":1,"code_links":1,"syntology":{"read_at":"2026-09-24T18:15:14+00:00","samples_harvested":9,"samples_ran":0,"samples_unverified":9,"pointer_only_for_licence":0,"claim":"Per-sample execution on synthesized fixtures; not a correctness claim."}}],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":1,"samples_harvested":9,"samples_ran":0,"samples_unverified":9,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":1,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}