{"url":"/dataset/hasy","name":"HASY","full_name":null,"description_markdown":"HASY is a dataset of single symbols similar to MNIST. It contains 168,233 instances of 369 classes. HASY contains two challenges: A classification challenge with 10 pre-defined folds for 10-fold cross-validation and a verification challenge.\r\n\r\nSource: [The HASYv2 dataset](/paper/the-hasyv2-dataset)","description_withheld":null,"homepage":"https://zenodo.org/record/259444","introduced_date":null,"introduced_date_note":null,"introduced_by":{"paper":"/paper/the-hasyv2-dataset","title":"The HASYv2 dataset","first_author":"Martin Thoma","url":null},"license":{"name":"ODC Open Database License v1.0","url":"http://www.opendatacommons.org/licenses/odbl/1.0/"},"modalities":[{"name":"Images","url":"/datasets/modality/images"}],"tasks":[{"name":"Continual Learning","url":"/task/continual-learning","datasets_with_task":"/datasets/task/continual-learning"},{"name":"Object Recognition","url":"/task/object-recognition","datasets_with_task":"/datasets/task/object-recognition"},{"name":"Variational Inference","url":"/task/variational-inference","datasets_with_task":"/datasets/task/variational-inference"}],"languages":[],"variants":["HASY"],"data_loaders":[{"repo":"https://github.com/activeloopai/Hub","url":"https://docs.activeloop.ai/datasets/hasyv2-dataset","frameworks":["tf","pytorch"]}],"num_papers_in_archive":3,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"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."}