{"url":"/dataset/covidx-cxr-3","name":"COVIDx CXR-3","full_name":null,"description_markdown":"COVIDx CXR-3 is an open access benchmark dataset that we generated, comprising 30,882 CXR images across 17,026 patient cases. Images may be added over time to improve the dataset.\r\n\r\nThis dataset is being used to train and validate our models for COVID-19 detection from CXR images. Useful dataset code and manipulation tools are available in the COVID-Net repository. This dataset may also be constructed from the individual sources by following the instructions here.","description_withheld":null,"homepage":"https://www.kaggle.com/datasets/andyczhao/covidx-cxr2","introduced_date":null,"introduced_date_note":null,"introduced_by":null,"license":null,"modalities":[{"name":"Images","url":"/datasets/modality/images"},{"name":"Medical","url":"/datasets/modality/medical"}],"tasks":[{"name":"COVID-19 Diagnosis","url":"/task/covid-19-detection","datasets_with_task":"/datasets/task/covid-19-detection"}],"languages":[],"variants":["COVIDx CXR-3"],"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/covid-19-diagnosis-on-covidx-cxr-3","task":"COVID-19 Diagnosis","dataset_variant":"COVIDx CXR-3","rows":7,"metrics":["Per-Class Accuracy"],"first_row_in_archive_order":{"model":"SS-CXR","paper":"/paper/ss-cxr-multitask-representation-learning","metrics":{"Per-Class Accuracy":"98.25"},"code_links":[]},"note":"rows are the archive's own order at snapshot; nothing here re-ranks them"}],"papers_with_a_benchmark_row":[{"paper":"/paper/ss-cxr-multitask-representation-learning","title":"SPCXR: Self-supervised Pretraining using Chest X-rays Towards a Domain Specific Foundation Model","date":"2022-11-23","rows_on_this_dataset":7,"code_links":0,"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."}