Datasets:
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README.md
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- zh
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task_categories:
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- image-to-text
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pretty_name: CASIA
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dataset_info:
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features:
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- name: image
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- name: test
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num_examples: 10441
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dataset_size: 52160
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---
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# CASIA
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## Table of Contents
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- [CASIA
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- [Table of Contents](#table-of-contents)
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- [Dataset Description](#dataset-description)
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- [Dataset Summary](#dataset-summary)
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## Dataset Description
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- **Homepage:** [CASIA](http://www.nlpr.ia.ac.cn/databases/handwriting/Download.html)
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- **Paper:** [Online and offline handwritten Chinese character recognition: Benchmarking on new databases](https://www.sciencedirect.com/science/article/abs/pii/S0031320312002919)
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- **Point of Contact:** [TEKLIA](https://teklia.com)
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## Dataset Summary
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The offline Chinese handwriting database (CASIA-
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The handwritten samples were produced by 1,020 writers using Anoto pen on papers, such that both online and offline data were obtained.
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### Languages
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All the documents in the dataset are written in Chinese.
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### Data Fields
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- `image`:
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- `text`: the label transcription of the image.
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- zh
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task_categories:
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- image-to-text
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pretty_name: CASIA-HWDB2-line
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dataset_info:
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features:
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- name: image
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- name: test
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num_examples: 10441
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dataset_size: 52160
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tags:
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- atr
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- htr
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- ocr
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- modern
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- handwritten
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---
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# CASIA-HWDB2 - line level
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## Table of Contents
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- [CASIA-HWDB2 - line level](#casia-hwdb2-line-level)
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- [Table of Contents](#table-of-contents)
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- [Dataset Description](#dataset-description)
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- [Dataset Summary](#dataset-summary)
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## Dataset Description
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- **Homepage:** [CASIA-HWDB2](http://www.nlpr.ia.ac.cn/databases/handwriting/Download.html)
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- **Paper:** [Online and offline handwritten Chinese character recognition: Benchmarking on new databases](https://www.sciencedirect.com/science/article/abs/pii/S0031320312002919)
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- **Point of Contact:** [TEKLIA](https://teklia.com)
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## Dataset Summary
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The offline Chinese handwriting database (CASIA-HWDB2) was built by the National Laboratory of Pattern Recognition (NLPR), Institute of Automation of Chinese Academy of Sciences (CASIA).
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The handwritten samples were produced by 1,020 writers using Anoto pen on papers, such that both online and offline data were obtained.
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Note that all images are resized to a fixed height of 128 pixels.
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### Languages
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All the documents in the dataset are written in Chinese.
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### Data Fields
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- `image`: a PIL.Image.Image object containing the image. Note that when accessing the image column (using dataset[0]["image"]), the image file is automatically decoded. Decoding of a large number of image files might take a significant amount of time. Thus it is important to first query the sample index before the "image" column, i.e. dataset[0]["image"] should always be preferred over dataset["image"][0].
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- `text`: the label transcription of the image.
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