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On the recordRead 5 Oct 202627 facts
Kraken
On the record
- Configuration
- Kraken supports configurable recognition through a network specification language and a plugin system.kraken.re · read 5 Oct 2026
- Extensibility
- Kraken’s plugin system lets developers add commands, model types, and tasks through Python entry points.kraken.re · read 4 Oct 2026
- Handwriting OCR
- Yeskraken.re · read 23 Sep 2026
- Supported inputs
- bothkraken.re · read 23 Sep 2026
- Installation
- The documentation says Kraken can be installed on Linux or Mac OS X, on x64 and ARM, using pip or Anaconda.kraken.re · read 5 Oct 2026
- Integrations
- The documentation lists eScriptorium, OCR4all, the OCR-D suite, and arkindex by Teklia as applications or suites integrated with Kraken.kraken.re · read 5 Oct 2026
- Intended users
- Kraken is designed for humanities digitization, including work with low-resource languages and diverse, non-conventional scripts.kraken.re · read 4 Oct 2026
- Interfaces
- Kraken provides a customizable command-line interface and an API for building custom workflows and integrating it into other projects.kraken.re · read 5 Oct 2026
- Layout and recognition
- Kraken supports trainable layout analysis, reading order, and character recognition.kraken.re · read 5 Oct 2026
- License and development
- Kraken is provided under the Apache 2.0 License and is developed at Inria and École Pratique des Hautes Études, Université PSL.kraken.re · read 4 Oct 2026
- Model repository
- Kraken provides a public repository of freely available models, accessed through its command-line tools.kraken.re · read 4 Oct 2026
- Model requirement
- Kraken requires a model for document processing, and the documentation says a model trained on similar material performs best.kraken.re · read 4 Oct 2026
- Models
- Kraken provides a public repository of model files through HTRMoPo.kraken.re · read 5 Oct 2026
- Optional input support
- Direct PDF and multi-image TIFF/JPEG2000 support requires installing the PDF extras package.kraken.re · read 4 Oct 2026
- Output formats
- Kraken can output ALTO, PageXML, AbbyyXML, and hOCR.kraken.re · read 5 Oct 2026
- Primary platform
- desktopkraken.re · read 23 Sep 2026
- Product
- Kraken is an open-source, turn-key automatic text recognition system optimized for historical and non-Latin-script writing.kraken.re · read 5 Oct 2026
- Purpose
- Kraken is an open-source automatic text recognition system optimized for historical documents and non-Latin scripts.kraken.re · read 4 Oct 2026
