{"url":"/dataset/msr-actionpairs","name":"MSR ActionPairs","full_name":null,"description_markdown":"This is a 3D action recognition dataset, also known as 3D Action Pairs dataset. The actions in this dataset are selected in pairs such that the two actions of each pair are similar in motion (have similar trajectories) and shape (have similar objects); however, the motion-shape relation is different. \r\n\r\nSource: [HON4D: Histogram of Oriented 4D Normals for Activity Recognition from Depth Sequences](/paper/hon4d-histogram-of-oriented-4d-normals-for)","description_withheld":null,"homepage":"http://www.cs.ucf.edu/~oreifej/HON4D.html","introduced_date":null,"introduced_date_note":null,"introduced_by":{"paper":"/paper/hon4d-histogram-of-oriented-4d-normals-for","title":"HON4D: Histogram of Oriented 4D Normals for Activity Recognition from Depth Sequences","first_author":"Omar Oreifej","url":null},"license":null,"modalities":[{"name":"3D","url":"/datasets/modality/3d"},{"name":"RGB-D","url":"/datasets/modality/rgb-d"}],"tasks":[{"name":"Activity Recognition","url":"/task/activity-recognition","datasets_with_task":"/datasets/task/activity-recognition"},{"name":"Action Recognition","url":"/task/action-recognition-in-videos","datasets_with_task":"/datasets/task/action-recognition-in-videos"},{"name":"Temporal Action Localization","url":"/task/action-recognition","datasets_with_task":"/datasets/task/action-recognition"},{"name":"Skeleton Based Action Recognition","url":"/task/skeleton-based-action-recognition","datasets_with_task":"/datasets/task/skeleton-based-action-recognition"}],"languages":[],"variants":["MSR ActionPairs"],"data_loaders":[],"num_papers_in_archive":7,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/skeleton-based-action-recognition-on-msr-1","task":"Skeleton Based Action Recognition","dataset_variant":"MSR ActionPairs","rows":1,"metrics":["Accuracy"],"first_row_in_archive_order":{"model":"Temporal Subspace Clustering","paper":"/paper/subspace-clustering-for-action-recognition","metrics":{"Accuracy":"98.02%"},"code_links":[{"title":"IIT-PAVIS/subspace-clustering-action-recognition","url":"https://github.com/IIT-PAVIS/subspace-clustering-action-recognition"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/subspace-clustering-for-action-recognition","title":"Subspace Clustering for Action Recognition with Covariance Representations and Temporal Pruning","date":"2020-06-21","rows_on_this_dataset":1,"code_links":1,"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."}