{"url":"/dataset/casia-hwdb","name":"CASIA-HWDB","full_name":"CASIA-HWDB","description_markdown":"**CASIA-HWDB** is a dataset for handwritten Chinese character recognition. It contains 300 files (240 in HWDB1.1 training set and 60 in HWDB1.1 test set). Each file contains about 3000 isolated gray-scale Chinese character images written by one writer, as well as their corresponding labels.\r\n\r\nSource: [Generating Handwritten Chinese Characters using CycleGAN](https://arxiv.org/abs/1801.08624)\r\nImage Source: [http://www.nlpr.ia.ac.cn/databases/handwriting/Touching_Characters_Databases.html](http://www.nlpr.ia.ac.cn/databases/handwriting/Touching_Characters_Databases.html)","description_withheld":null,"homepage":"http://www.nlpr.ia.ac.cn/databases/handwriting/Touching_Characters_Databases.html","introduced_date":"2011-01-01","introduced_date_note":null,"introduced_by":{"paper":null,"title":"CASIA Online and Offline Chinese Handwriting Databases","first_author":null,"url":"https://doi.org/10.1109/ICDAR.2011.17"},"license":{"name":"Custom (research-only, non-commercial)","url":"http://www.nlpr.ia.ac.cn/databases/handwriting/Application_form.html"},"modalities":[{"name":"Images","url":"/datasets/modality/images"}],"tasks":[{"name":"Language Modelling","url":"/task/language-modelling","datasets_with_task":"/datasets/task/language-modelling"},{"name":"Handwritten Chinese Text Recognition","url":"/task/handwritten-chinese-text-recognition","datasets_with_task":"/datasets/task/handwritten-chinese-text-recognition"},{"name":"Offline Handwritten Chinese Character Recognition","url":"/task/offline-handwritten-chinese-character","datasets_with_task":"/datasets/task/offline-handwritten-chinese-character"}],"languages":[{"name":"Chinese","url":"/datasets/language/chinese"}],"variants":["CASIA-HWDB"],"data_loaders":[],"num_papers_in_archive":17,"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."}