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README.md

dinglehopper

dinglehopper is an OCR evaluation tool and reads ALTO, PAGE and text files.

Build Status

Goals

  • Useful
    • As a UI tool
    • For an automated evaluation
    • As a library
  • Unicode support

Installation

It's best to use pip, e.g.:

sudo pip install .

Usage

dinglehopper some-document.gt.page.xml some-document.ocr.alto.xml

This generates report.html and report.json.

As a OCR-D processor:

ocrd-dinglehopper -m mets.xml -I OCR-D-GT-PAGE,OCR-D-OCR-TESS -O OCR-D-OCR-TESS-EVAL

This generates HTML and JSON reports in the OCR-D-OCR-TESS-EVAL filegroup.

dinglehopper displaying metrics and character differences

Testing

Use pytest to run the tests in the tests directory:

virtualenv -p /usr/bin/python3 venv
. venv/bin/activate
pip install -r requirements.txt
pip install pytest
pytest