guanshuicheng/invoice

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1982 stars · 450 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A Flask-based OCR microservice that recognizes Chinese VAT invoices (electronic, regular, and special) using a YOLOv3 + CRNN + CTC deep learning pipeline. It extracts fields such as invoice code, invoice number, date, check code, and pre-tax amount from invoice images.

Use cases

• extract fields from Chinese VAT invoice images
• ocr service for electronic invoice recognition
• automate invoice data entry from scanned receipts
• self-hosted invoice ocr api
• recognize invoice code number date and amount from photos

When to choose

• you need to digitize Chinese VAT invoices automatically
• you want a self-hosted OCR microservice with a simple HTTP API
• you have GPU resources and want a proven YOLOv3+CRNN pipeline

When to avoid

• you need OCR for non-Chinese or non-invoice documents
• you want a maintained solution with modern model architectures
• you cannot obtain the pretrained models from the external download link

Facets

service · maturity maintenance

ocr computer-vision http-server machine-learning computer-vision fintech deep-learning python invoice-ocr yolov3 crnn ctc keras flask chinese-ocr vat-invoice docker linux gpu

Member repositories

For agents

markdown · JSON · MCP: product_card(name="guanshuicheng/invoice")