guanshuicheng / Invoice
Licence: mit
增值税发票OCR识别，使用flask微服务架构，识别type：增值税电子普通发票，增值税普通发票，增值税专用发票；识别字段为：发票代码、发票号码、开票日期、校验码、税后金额等
Stars: ✭ 381
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增值税发票识别
识别type：增值税电子普通发票，增值税普通发票，增值税专用发票；识别字段为：发票代码、发票号码、开票日期、校验码、税后金额等
环境
- python3.5/3.6
- 依赖项安装：pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
- 有GPU环境的可修改安装requirements.txt对应版本的tensorflow-gpu，config.py文件中控制GPU的开关
模型架构
YOLOv3 + CRNN + CTC
模型
- 模型下载地址：链接：https://pan.baidu.com/s/1bjtd3ueiUj3rt16p2_YQ2w
- 将下载完毕的模型文件夹models放置于项目根目录下
服务启动
- python3 app.py
- 端口可自行修改
- 服务调用地址：http://...: [端口号]/invoice-ocr，例：http://127.0.0.1:11111/invoice-ocr
测试demo
- 测试工具：postman，可自行下载安装
- 增值税电子普票测试结果
- 增值税专用普票测试结果
- 增值税普通普票测试结果
后期开发计划
后期逐步将模型迁移至TF-serving...
参考
chineseocr https://github.com/chineseocr/chineseocr
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