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29 行
1.6 KiB
Markdown
29 行
1.6 KiB
Markdown
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comments: true
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---
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# 手写OCR数据集
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这里整理了常用手写数据集，持续更新中，欢迎各位小伙伴贡献数据集～
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## 中科院自动化研究所-手写中文数据集
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- **数据来源**：<http://www.nlpr.ia.ac.cn/databases/handwriting/Download.html>
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- **数据简介**：
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- 包含在线和离线两类手写数据，`HWDB1.0~1.2`总共有3895135个手写单字样本，分属7356类（7185个汉字和171个英文字母、数字、符号）；`HWDB2.0~2.2`总共有5091页图像，分割为52230个文本行和1349414个文字。所有文字和文本样本均存为灰度图像。部分单字样本图片如下所示。
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- **下载地址**：<http://www.nlpr.ia.ac.cn/databases/handwriting/Download.html>
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- **使用建议**：数据为单字，白色背景，可以大量合成文字行进行训练。白色背景可以处理成透明状态，方便添加各种背景。对于需要语义的情况，建议从真实语料出发，抽取单字组成文字行
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## NIST手写单字数据集-英文(NIST Handprinted Forms and Characters Database)
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- **数据来源**: [https://www.nist.gov/srd/nist-special-database-19](https://www.nist.gov/srd/nist-special-database-19)
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- **数据简介**: NIST19数据集适用于手写文档和字符识别的模型训练，从3600位作者的手写样本表格中提取得到，总共包含81万张字符图片。其中9张图片示例如下：
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- **下载地址**: [https://www.nist.gov/srd/nist-special-database-19](https://www.nist.gov/srd/nist-special-database-19)
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