{"url":"/dataset/hi4d","name":"Hi4D","full_name":null,"description_markdown":"**Hi4D** contains 4D textured scans of 20 subject pairs, 100 sequences, and a total of more than 11K frames. Hi4D contains rich interaction centric annotations in 2D and 3D alongside accurately registered parametric body models.\r\n\r\nSource: [Hi4D: 4D Instance Segmentation of Close Human Interaction](https://arxiv.org/pdf/2303.15380v1.pdf)\r\n\r\nImage Source: [Hi4D: 4D Instance Segmentation of Close Human Interaction](https://arxiv.org/pdf/2303.15380v1.pdf)","description_withheld":null,"homepage":"https://yifeiyin04.github.io/Hi4D/","introduced_date":"2023-03-27","introduced_date_note":null,"introduced_by":{"paper":"/paper/hi4d-4d-instance-segmentation-of-close-human","title":"Hi4D: 4D Instance Segmentation of Close Human Interaction","first_author":"Yifei Yin","url":null},"license":null,"modalities":[{"name":"3D","url":"/datasets/modality/3d"},{"name":"3d meshes","url":"/datasets/modality/3d-meshes"}],"tasks":[{"name":"Semantic Segmentation","url":"/task/semantic-segmentation","datasets_with_task":"/datasets/task/semantic-segmentation"},{"name":"Instance Segmentation","url":"/task/instance-segmentation","datasets_with_task":"/datasets/task/instance-segmentation"}],"languages":[],"variants":["Hi4D"],"data_loaders":[],"num_papers_in_archive":19,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"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."}