{"url":"/dataset/mimic-cxr-lt","name":"MIMIC-CXR-LT","full_name":"long-tailed version of MIMIC-CXR","description_markdown":"MIMIC-CXR-LT. We construct a single-label, long-tailed version of MIMIC-CXR in a similar manner. MIMIC-CXR is a multi-label classification dataset with over 200,000 chest X-rays labeled with 13 pathologies and a “No Findings” class. The resulting MIMIC-CXR-LT dataset contains 19 classes, of which 10 are head classes, 6 are medium classes, and 3 are tail classes. MIMIC-CXR-LT contains 111,792 images labeled with one of 18 diseases, with 87,493 training images and 23,550 test set images. The validation and balanced test sets contain 15 and 30 images per class, respectively.","description_withheld":null,"homepage":"https://github.com/VITA-Group/LongTailCXR","introduced_date":"2022-08-29","introduced_date_note":null,"introduced_by":{"paper":"/paper/long-tailed-classification-of-thorax-diseases","title":"Long-Tailed Classification of Thorax Diseases on Chest X-Ray: A New Benchmark Study","first_author":"Gregory Holste","url":null},"license":null,"modalities":[{"name":"Images","url":"/datasets/modality/images"},{"name":"Medical","url":"/datasets/modality/medical"}],"tasks":[{"name":"Image Classification","url":"/task/image-classification","datasets_with_task":"/datasets/task/image-classification"},{"name":"Long-tail Learning","url":"/task/long-tail-learning","datasets_with_task":"/datasets/task/long-tail-learning"},{"name":"Medical Image Classification","url":"/task/medical-image-classification","datasets_with_task":"/datasets/task/medical-image-classification"}],"languages":[],"variants":["MIMIC-CXR-LT"],"data_loaders":[],"num_papers_in_archive":4,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[{"leaderboard":"/sota/long-tail-learning-on-mimic-cxr-lt","task":"Long-tail Learning","dataset_variant":"MIMIC-CXR-LT","rows":15,"metrics":["Balanced Accuracy"],"first_row_in_archive_order":{"model":"Decoupling (cRT)","paper":"/paper/long-tailed-classification-of-thorax-diseases","metrics":{"Balanced Accuracy":"0.296"},"code_links":[{"title":"vita-group/longtailcxr","url":"https://github.com/vita-group/longtailcxr"}]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/long-tailed-classification-of-thorax-diseases","title":"Long-Tailed Classification of Thorax Diseases on Chest X-Ray: A New Benchmark Study","date":"2022-08-29","rows_on_this_dataset":15,"code_links":1,"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."}