Deepdoctection
Deepdoctection is an open-source Python library that orchestrates document layout analysis, OCR, and document classification using deep learning models. Created by Dr. Janis Meyer, the platform enables developers to build custom document extraction pipelines with full traceability, mapping extracted text segments back to original visual locations.

Overview
Deepdoctection positions itself as a framework-oriented solution that orchestrates existing acknowledged libraries rather than developing proprietary models. The platform has gained recognition in enterprise RAG implementations, with third-party systems selecting Deepdoctection alongside Meta's Nougat model for document ingestion workflows.
The modular architecture bridges academic research and practical document processing, emphasizing transparency and extensibility over commercial black-box solutions. Version 1.0 introduced PyTorch-only support, moving away from mixed framework approaches for streamlined deployment.
Key Features and Benefits
- Full Traceability: Maps extracted text segments back to original visual locations in documents
- Modular Pipeline Architecture: Configurable workflows combining layout detection, OCR, and NLP components
- Multi-Engine OCR Support: Tesseract, DocTr, and AWS Textract integration options
- Built-in Evaluation Framework: Integrated tools for fine-tuning, evaluating, and running models
- Pre-trained Model Hub: Ready-to-use models available through Hugging Face Model Hub
- Component Swappability: Framework approach allowing substitution of detection, OCR, and classification models
Use Cases
Enterprise RAG Workflows
Document ingestion for LLM-based processing pipelines, with enterprise adoption in retrieval-augmented generation systems requiring transparent OCR capabilities.
Academic Research Applications
Scientific article processing, historical document archives, and reproducible research workflows requiring explainable results and model customization.
Complex Document Processing
Multi-page documents with table extraction, reading order detection, and semantic layout understanding across invoices, forms, and structured documents.
Technical Specifications
| Component | Technology |
|---|---|
| Deep Learning Framework | PyTorch (v1.0+) |
| Object Detection | Facebook's Detectron2 |
| NLP Models | Hugging Face Transformers, LayoutLM family, LiLT, BERT |
| OCR Engines | Tesseract, DocTr, AWS Textract |
| PDF Processing | pdfplumber for native PDFs |
| Architecture | Three sub-packages: dd-core, dd-datasets, deepdoctection |
| Language Support | Multi-language with transformer-based detection |
| Licensing | Apache License 2.0 |
Resources
- Deepdoctection Documentation
- GitHub Repository
- PyPI Package
- Hugging Face Space Demo
- PDFix Integration Example