{"url":"/dataset/coco-ood","name":"COCO-OOD","full_name":null,"description_markdown":"COCO-OOD dataset contains only unknown categories, consisting of 504 images with fine-grained annotations of 1655 unknown objects. All annotations consist of original annotations in COCO and the augmented annotations on the basis of the COCO definition.","description_withheld":null,"homepage":"https://xuefengbupt.github.io/project_page/unsniffer_cvpr23.html","introduced_date":"2023-03-24","introduced_date_note":null,"introduced_by":{"paper":"/paper/unknown-sniffer-for-object-detection-don-t","title":"Unknown Sniffer for Object Detection: Don't Turn a Blind Eye to Unknown Objects","first_author":"Wenteng Liang","url":null},"license":null,"modalities":[],"tasks":[{"name":"Open World Object Detection","url":"/task/open-world-object-detection","datasets_with_task":"/datasets/task/open-world-object-detection"}],"languages":[],"variants":["COCO-OOD"],"data_loaders":[],"num_papers_in_archive":1,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/open-world-object-detection-on-coco-ood","task":"Open World Object Detection","dataset_variant":"COCO-OOD","rows":1,"metrics":["unknown F1 score","unknown-AP"],"first_row_in_archive_order":{"model":"unsniffer","paper":"/paper/unknown-sniffer-for-object-detection-don-t","metrics":{"unknown F1 score":"0.479","unknown-AP":"0.454"},"code_links":[{"title":"went-liang/unsniffer","url":"https://github.com/went-liang/unsniffer"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/unknown-sniffer-for-object-detection-don-t","title":"Unknown Sniffer for Object Detection: Don't Turn a Blind Eye to Unknown Objects","date":"2023-03-24","rows_on_this_dataset":1,"code_links":1,"syntology":{"read_at":"2026-09-25T09:33:49+00:00","samples_harvested":4,"samples_ran":4,"samples_unverified":0,"pointer_only_for_licence":0,"claim":"Per-sample execution on synthesized fixtures; not a correctness claim."}}],"syntology_totals":{"read_at":"2026-09-25T09:33:49+00:00","papers_with_samples":1,"samples_harvested":4,"samples_ran":4,"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."}