![](http://yuqichen.net/wp-content/uploads/2023/02/e1.png)
A cute toolkit for OCR, including pre-processing and API use.
![](http://yuqichen.net/wp-content/uploads/2024/05/icon_char.png)
A library for converting Chinese character variants to standard simplified or traditional characters.
![](http://yuqichen.net/wp-content/uploads/2024/05/workflow_his_geo-1024x620.png)
A library to extract historical toponyms from texts, geocode and visualize the results on maps.