{"url":"/dataset/soba","name":"SOBA","full_name":"Shadow-OBject Association","description_markdown":"A new dataset called SOBA, named after Shadow-OBject Association, with 3,623 pairs of shadow and object instances in 1,000 photos, each with individual labeled masks.\r\n\r\nSource: [Instance Shadow Detection](/paper/instance-shadow-detection)","description_withheld":null,"homepage":"https://github.com/stevewongv/InstanceShadowDetection","introduced_date":null,"introduced_date_note":null,"introduced_by":{"paper":"/paper/instance-shadow-detection","title":"Instance Shadow Detection","first_author":"Tianyu Wang","url":null},"license":null,"modalities":[{"name":"Images","url":"/datasets/modality/images"}],"tasks":[{"name":"Shadow Detection","url":"/task/shadow-detection","datasets_with_task":"/datasets/task/shadow-detection"},{"name":"Instance Shadow Detection","url":"/task/instance-shadow-detection","datasets_with_task":"/datasets/task/instance-shadow-detection"}],"languages":[],"variants":["SOBA"],"data_loaders":[{"repo":"https://github.com/stevewongv/InstanceShadowDetection","url":"https://github.com/stevewongv/InstanceShadowDetection","frameworks":["pytorch"]}],"num_papers_in_archive":9,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/instance-shadow-detection-on-soba","task":"Instance Shadow Detection","dataset_variant":"SOBA","rows":3,"metrics":["mask SOAP","Bounding Box SOAP","Asso. AP_segm","Asso. AP_bbox","Instance AP_segm","Instance AP_bbox"],"first_row_in_archive_order":{"model":"SSISv2 (TPAMI 2023)","paper":"/paper/instance-shadow-detection-with-a-single-stage","metrics":{"Asso. AP_bbox":"63.0","Asso. AP_segm":"59.2","Bounding Box SOAP":"29.0","Instance AP_bbox":"44.4","Instance AP_segm":"50.2","mask SOAP":"35.3"},"code_links":[{"title":"stevewongv/InstanceShadowDetection","url":"https://github.com/stevewongv/InstanceShadowDetection"},{"title":"stevewongv/SSIS","url":"https://github.com/stevewongv/SSIS"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/instance-shadow-detection-with-a-single-stage","title":"Instance Shadow Detection with A Single-Stage Detector","date":"2022-07-11","rows_on_this_dataset":1,"code_links":2,"syntology":null},{"paper":"/paper/single-stage-instance-shadow-detection-with","title":"Single-Stage Instance Shadow Detection with Bidirectional Relation Learning","date":"2021-06-19","rows_on_this_dataset":1,"code_links":1,"syntology":null},{"paper":"/paper/instance-shadow-detection","title":"Instance Shadow Detection","date":"2019-11-16","rows_on_this_dataset":1,"code_links":3,"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."}