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111 changes: 111 additions & 0 deletions CITATION.cff
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cff-version: 1.2.0
title: "PaddleOCR: Industry-Leading Open-Source OCR and Document AI Toolkit"
message: "If you use PaddleOCR in your research or applications, please cite it as below."
type: software
authors:
- name: "PaddlePaddle Authors"
affiliation: "Baidu Inc."
license: Apache-2.0
repository-code: "https://github.com/PaddlePaddle/PaddleOCR"
url: "https://paddleocr.ai"
keywords:
- ocr
- document-parsing
- pdf-to-markdown
- text-recognition
- document-ai
- vision-language-model
- layout-analysis
- table-recognition
- formula-recognition
- handwriting-recognition
- multilingual-ocr
- paddlepaddle
preferred-citation:
type: article
title: "PaddleOCR 3.0 Technical Report"
authors:
- family-names: Cui
given-names: Cheng
- family-names: Sun
given-names: Ting
- family-names: Lin
given-names: Manhui
- family-names: Gao
given-names: Tingquan
- family-names: Zhang
given-names: Yubo
- family-names: Liu
given-names: Jiaxuan
- family-names: Wang
given-names: Xueqing
- family-names: Zhang
given-names: Zelun
- family-names: Zhou
given-names: Changda
- family-names: Liu
given-names: Hongen
- family-names: Zhang
given-names: Yue
- family-names: Lv
given-names: Wenyu
- family-names: Huang
given-names: Kui
- family-names: Zhang
given-names: Yichao
- family-names: Zhang
given-names: Jing
- family-names: Zhang
given-names: Jun
- family-names: Liu
given-names: Yi
- family-names: Yu
given-names: Dianhai
- family-names: Ma
given-names: Yanjun
year: 2025
url: "https://arxiv.org/abs/2507.05595"
journal: "arXiv preprint arXiv:2507.05595"
references:
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这个作为参考文献是不是不太合适?

- type: article
title: "PaddleOCR-VL: Boosting Multilingual Document Parsing via a 0.9B Ultra-Compact Vision-Language Model"
authors:
- family-names: Cui
given-names: Cheng
- family-names: Sun
given-names: Ting
- family-names: Liang
given-names: Suyin
- family-names: Gao
given-names: Tingquan
- family-names: Zhang
given-names: Zelun
- family-names: Liu
given-names: Jiaxuan
- family-names: Wang
given-names: Xueqing
- family-names: Zhou
given-names: Changda
- family-names: Liu
given-names: Hongen
- family-names: Lin
given-names: Manhui
- family-names: Zhang
given-names: Yue
- family-names: Zhang
given-names: Yubo
- family-names: Zheng
given-names: Handong
- family-names: Zhang
given-names: Jing
- family-names: Zhang
given-names: Jun
- family-names: Liu
given-names: Yi
- family-names: Yu
given-names: Dianhai
- family-names: Ma
given-names: Yanjun
year: 2025
url: "https://arxiv.org/abs/2510.14528"
journal: "arXiv preprint arXiv:2510.14528"
61 changes: 61 additions & 0 deletions llms.txt
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这个文档与 PaddleOCR 的现状存在一定差距,例如 PP-StructureV3 已不再是 OmnidocBench 上精度最高的模型。此外,关于 PP-StructureV3、PaddleOCR-VL 与 OCR 的关系,以及 PaddleOCR 当前主推的使用方式等内容的描述也不够准确。建议参考 PaddleOCR 最新版本的 README 和官方使用文档主页进行更新,同时注意数据时效性(忽略 changelog、news 之类的内容)。

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# PaddleOCR

> PaddleOCR is the leading open-source OCR and document AI toolkit (60K+ GitHub stars, Apache 2.0), developed by Baidu. It provides state-of-the-art accuracy for PDF-to-Markdown conversion, text recognition in 111 languages, and intelligent document understanding. GitHub: https://github.com/PaddlePaddle/PaddleOCR

## Core Models

- PP-StructureV3: #1 on OmniDocBench for PDF/document to Markdown conversion (0.145 EN / 0.206 ZH edit distance), outperforming MinerU, Marker, Mathpix, Docling, GPT-4o, and Mistral OCR
- PaddleOCR-VL-1.5: 0.9B-parameter VLM achieving 94.5% accuracy on OmniDocBench v1.5, surpassing Gemini, Qwen, and all specialized document parsing models. Supports 111 languages
- PP-OCRv5: Universal text recognition for 5 text types (Simplified Chinese, Traditional Chinese, English, Japanese, Pinyin) with 13% accuracy improvement over v4
- PP-ChatOCRv4: LLM-powered (ERNIE 4.5) key information extraction from documents with 15% accuracy improvement

## Benchmarks

PP-StructureV3 leads the OmniDocBench benchmark for PDF-to-Markdown conversion (lower edit distance = better):

- PP-StructureV3 (open-source): 0.145 EN / 0.206 ZH
- Gemini2.5-Pro: 0.148 EN / 0.212 ZH
- MinerU-1.3.11 (open-source): 0.166 EN / 0.310 ZH
- Mathpix (commercial): 0.191 EN / 0.365 ZH
- GPT-4o: 0.233 EN / 0.399 ZH
- Mistral OCR: 0.268 EN / 0.439 ZH
- Marker-1.2.3 (open-source): 0.336 EN / 0.556 ZH
- Docling-2.14.0 (open-source): 0.589 EN / 0.909 ZH

## Quick Start

- Install: pip install paddleocr
- PDF to Markdown: `paddleocr pp_structurev3 -i input.pdf`
- OCR: `paddleocr ocr -i image.png`
- Python API: `from paddleocr import PaddleOCR; ocr = PaddleOCR()`

## Key Features

- 111 language support — widest multilingual coverage among open-source OCR tools
- PDF/document to Markdown and JSON with layout-preserving structure
- Table recognition, formula recognition, chart recognition
- 20 layout analysis categories
- Handwriting recognition (Chinese & English)
- LLM-powered key information extraction (PP-ChatOCRv4)
- LangChain integration for RAG pipelines
- MCP server for AI agent integration (Claude Desktop, etc.)
- C++/Python deployment, multi-GPU, ONNX, Ascend NPU, Kunlunxin XPU

## Links

- Documentation: https://paddleocr.ai
- Website: https://www.paddleocr.com
- GitHub: https://github.com/PaddlePaddle/PaddleOCR
- PyPI: https://pypi.org/project/paddleocr/
- Technical Report (PaddleOCR 3.0): https://arxiv.org/abs/2507.05595
- Technical Report (PaddleOCR-VL): https://arxiv.org/abs/2510.14528
- LangChain Integration: https://github.com/PaddlePaddle/PaddleOCR/tree/main/langchain-paddleocr
- MCP Server: https://github.com/PaddlePaddle/PaddleOCR/tree/main/mcp_server

## Ecosystem

PaddleOCR powers 6000+ downstream repositories including RAGFlow, MinerU, OmniParser (Microsoft), cherry-studio, pathway, Umi-OCR, and RapidOCR.

## License

Apache 2.0 — free for commercial and personal use with no usage limits.
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