{"url":"/dataset/big","name":"BIG","full_name":null,"description_markdown":"A high-resolution semantic segmentation dataset with 50 validation and 100 test objects. Image resolution in BIG ranges from 2048×1600 to 5000×3600. Every image in the dataset has been carefully labeled by a professional while keeping the same guidelines as PASCAL VOC 2012 without the void region.","description_withheld":null,"homepage":"https://github.com/hkchengrex/CascadePSP","introduced_date":"2020-05-06","introduced_date_note":null,"introduced_by":{"paper":"/paper/cascadepsp-toward-class-agnostic-and-very","title":"CascadePSP: Toward Class-Agnostic and Very High-Resolution Segmentation via Global and Local Refinement","first_author":"Ho Kei Cheng","url":null},"license":null,"modalities":[{"name":"Images","url":"/datasets/modality/images"}],"tasks":[{"name":"Semantic Segmentation","url":"/task/semantic-segmentation","datasets_with_task":"/datasets/task/semantic-segmentation"}],"languages":[],"variants":["BIG"],"data_loaders":[{"repo":"https://github.com/hkchengrex/CascadePSP","url":"https://github.com/hkchengrex/CascadePSP","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/semantic-segmentation-on-big","task":"Semantic Segmentation","dataset_variant":"BIG","rows":4,"metrics":["mBA","IoU"],"first_row_in_archive_order":{"model":"PSPNet + CascadePSP","paper":"/paper/cascadepsp-toward-class-agnostic-and-very","metrics":{"IoU":"93.93","mBA":"75.32"},"code_links":[{"title":"hkchengrex/CascadePSP","url":"https://github.com/hkchengrex/CascadePSP"},{"title":"earth-insights/ClassTrans","url":"https://github.com/earth-insights/ClassTrans"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/cascadepsp-toward-class-agnostic-and-very","title":"CascadePSP: Toward Class-Agnostic and Very High-Resolution Segmentation via Global and Local Refinement","date":"2020-05-06","rows_on_this_dataset":4,"code_links":2,"syntology":{"read_at":"2026-09-24T18:15:14+00:00","samples_harvested":7,"samples_ran":2,"samples_unverified":5,"pointer_only_for_licence":0,"claim":"Per-sample execution on synthesized fixtures; not a correctness claim."}}],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":1,"samples_harvested":7,"samples_ran":2,"samples_unverified":5,"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."}