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chineseocr_lite's Introduction

本项目基于chineseocrpsenet 实现中文自然场景文字检测及识别

环境

  • pytorch 1.2.0

  • python3

  • linux/macos/windows

  • windows环境配置参考热心网友的文章Python构建快速高效的中文文字识别OCR 👍

  • Docker 环境

    1. 可以直接在项目根目录下面运行docker build -t my/chineseocr . 构建运行环境的镜像,也可以

      使用已经构建好的镜像docker run -dit -p 8080:8080 -v /mnt/d/data/:/data --name chineseocr vitzy/chineseocr_lite

    2. 可通过docker attach <container id>进入容器,然后git clone https://github.com/ouyanghuiyu/chineseocr_lite拉取本项目代码到/data

    3. cd 到chineseocr_lite下进行安装:pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt

    4. 启动 web python3 app.py 8080, 在浏览器中打开 http://127.0.0.1:8080/ocr

PSENET 编译

cd psenet/pse
rm -rf pse.so 
make 

实现功能

  • 提供轻量的backone检测模型psenet(8.5M),crnn_lstm_lite(9.5M) 和行文本方向分类网络(1.5M)
  • 任意方向文字检测,识别时判断行文本方向
  • crnn\crnn_lite lstm\dense识别(ocr-dense和ocr-lstm是搬运chineseocr的)
  • 支持竖排文本识别
  • ncnn 实现 (支持lstm) nihui大佬实现的crnn_lstm推理 具体操作详解: 详细记录超轻量中文OCR LSTM模型ncnn实现
  • 提供竖排文字样例以及字体库(旋转90度的字体)
  • mnn 实现

2020.03.16更新

2020.03.12更新

  • 升级crnn_lite_lstm_dw.pth模型crnn_lite_lstm_dw_v2.pth , 精度更高

竖排字体样式:

竖排生成的竖排文本样例:

web服务启动

cd chineseocr_lite## 进入chineseocr目录
python app.py 8080 ##8080端口号,可以设置任意端口

访问服务

http://127.0.0.1:8080/ocr

识别结果展示

ncnn检测识别展示(x86 cpu 单进程)

参考

  1. ncnn https://github.com/Tencent/ncnn
  2. crnn https://github.com/meijieru/crnn.pytorch.git
  3. chineseocr https://github.com/chineseocr/chineseocr
  4. Psenet https://github.com/WenmuZhou/PSENet.pytorch
  5. 语言模型实现 https://github.com/lukhy/masr

chineseocr_lite's People

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