{"url":"/task/unusual-activity-localization","name":"Unusual Activity Localization","slug":"unusual-activity-localization","description_markdown":"In the realm of real-world events and human behavior analysis, unusual activities  are defined as behaviors, patterns, or events that deviate from expected norms or regular occurrences. This concept encompassestwo primary aspects: first, outcomes that contradict conventional expectations, exemplified by unintentional and humorous activities second, rare or infrequent occurrences, such as behaviors related to autism spectrum disorder (ASD), sudden road accidents, natural disasters, extreme weather , unusual public demonstrations like riot, observation of rare endangered species in urban environments, space events like unexpected meteor dropping etc. \r\n\r\nAn unusual activity localization model takes a video-query pair as input, where the video is a sequence of\r\nframes and the query consists of a sequence of words that describes the unusual activity.","categories":[{"name":"Computer Vision","url":"/area/computer-vision"}],"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28","slug_source":"derived"},"counts":{"papers_tagged":1,"papers_with_code":1,"benchmarks":0,"benchmark_tables_in_archive":0,"benchmark_tables_shown":0,"benchmark_tables_withheld_as_spam":0,"benchmark_definition":"a leaderboard table with at least one row; benchmark_tables_shown also counts the zero-row tables; benchmark_tables_in_archive adds the tables withheld as spam","datasets":0,"subtasks":0,"parent_tasks":1},"benchmarks":[],"datasets":[],"subtasks":[],"parent_tasks":[{"url":"/task/action-localization","name":"Action Localization"}],"papers":{"order":"repositories listed in the archive (desc), then date (desc); the archive holds no stars","population":"papers tagged with this task that list at least one repository in the archive","shown":1,"of":1,"tagged_in_all":1,"items":[{"url":"/paper/ual-bench-the-first-comprehensive-unusual","title":"UAL-Bench: The First Comprehensive Unusual Activity Localization Benchmark","date":"2024-10-02","arxiv_id":"2410.01180","repositories_listed":1,"syntology":null}],"syntology_records":0,"syntology_note":"a paper without a record is not a recorded non-run: it may lack an arXiv id or simply be absent from the graph layer"},"description_links":{"kept":0,"unwrapped_to_text":0,"bare_urls_linked":0,"relative_images_dropped":0,"rule":"internal links are kept only when the target slug exists in the catalog"},"syntology":{"read_at":"2026-09-24T18:15:14+00:00","claim":"Per-sample execution status on synthesized fixtures ('ran N of M samples'); not a correctness claim and not a ranking signal.","status_vocabulary":{"ran_honours":"ran, honoured the contract we drafted","ran_violates":"ran, violated the contract we drafted","ran_draft_wrong":"ran; our contract draft was wrong, not the code","ran_fixture":"ran; our fixture could not drive it","ran":"ran on a synthesized input","unverified":"unverified (harvested, no recorded run)"}},"not_shown":{"libraries":"the archive has no per-task library table","trend_sparklines":"the Trend column of the benchmarks table was a rendered image; it is not in the archive","social_and_latest_sorts":"stars and social signals are not in the archive"}}