{"url":"/dataset/haa500","name":"HAA500","full_name":"Human-Centric Atomic Action Dataset","description_markdown":"HAA500 is a manually annotated human-centric atomic action dataset for action recognition on 500 classes with over 591k labeled frames. Unlike existing atomic action datasets, where coarse-grained atomic actions were labeled with action-verbs, e.g., \"Throw\", HAA500 contains fine-grained atomic actions where only consistent actions fall under the same label, e.g., \"Baseball Pitching\" vs \"Free Throw in Basketball\", to minimize ambiguities in action classification. HAA500 has been carefully curated to capture the movement of human figures with less spatio-temporal label noises to greatly enhance the training of deep neural networks. \r\n\r\nSource: [HAA500: Human-Centric Atomic Action Dataset with Curated Videos](/paper/haa500-human-centric-atomic-action-dataset)","description_withheld":null,"homepage":"https://www.cse.ust.hk/haa/","introduced_date":null,"introduced_date_note":null,"introduced_by":{"paper":"/paper/haa500-human-centric-atomic-action-dataset","title":"HAA500: Human-Centric Atomic Action Dataset with Curated Videos","first_author":"Jihoon Chung","url":null},"license":null,"modalities":[{"name":"Videos","url":"/datasets/modality/videos"}],"tasks":[{"name":"Action Recognition","url":"/task/action-recognition-in-videos","datasets_with_task":"/datasets/task/action-recognition-in-videos"},{"name":"Action Classification","url":"/task/action-classification","datasets_with_task":"/datasets/task/action-classification"}],"languages":[],"variants":["HAA500"],"data_loaders":[],"num_papers_in_archive":14,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/action-recognition-on-haa500","task":"Action Recognition","dataset_variant":"HAA500","rows":4,"metrics":["Top-1 (%)"],"first_row_in_archive_order":{"model":"TSN","paper":"/paper/haa500-human-centric-atomic-action-dataset","metrics":{"Top-1 (%)":"64.4"},"code_links":[]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/haa500-human-centric-atomic-action-dataset","title":"HAA500: Human-Centric Atomic Action Dataset with Curated Videos","date":"2020-09-11","rows_on_this_dataset":4,"code_links":0,"syntology":null}],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"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."}