{"url":"/dataset/psi-ava","name":"PSI-AVA","full_name":null,"description_markdown":"**PSI-AVA** is a dataset designed for holistic surgical scene understanding. It contains approximately 20.45 hours of the surgical procedure performed by three expert surgeons and annotations for both long-term (Phase and Step recognition) and short-term reasoning (Instrument detection and novel Atomic Action recognition) in robot-assisted radical prostatectomy videos.\r\n\r\nSource: [Towards Holistic Surgical Scene Understanding](https://arxiv.org/pdf/2212.04582v2.pdf)\r\n\r\nImage Source: [https://arxiv.org/pdf/2212.04582v2.pdf](https://arxiv.org/pdf/2212.04582v2.pdf)","description_withheld":null,"homepage":"https://github.com/BCV-Uniandes/TAPIR","introduced_date":"2022-12-08","introduced_date_note":null,"introduced_by":{"paper":"/paper/towards-holistic-surgical-scene-understanding","title":"Towards Holistic Surgical Scene Understanding","first_author":"Natalia Valderrama","url":null},"license":{"name":"MIT License","url":"https://github.com/BCV-Uniandes/TAPIR/blob/main/LICENSE"},"modalities":[{"name":"Videos","url":"/datasets/modality/videos"},{"name":"Medical","url":"/datasets/modality/medical"}],"tasks":[{"name":"Action Recognition","url":"/task/action-recognition-in-videos","datasets_with_task":"/datasets/task/action-recognition-in-videos"},{"name":"Scene Understanding","url":"/task/scene-understanding","datasets_with_task":"/datasets/task/scene-understanding"},{"name":"Atomic action recognition","url":"/task/atomic-action-recognition","datasets_with_task":"/datasets/task/atomic-action-recognition"}],"languages":[],"variants":["PSI-AVA"],"data_loaders":[],"num_papers_in_archive":9,"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."}