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Image Preprocessing
Elisabeth Engl edited this page Jun 2, 2020
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(Explain shortly what can be done/achieved in these workflow steps, how the individual steps are dependent on each other and which problems can be solved/reduced by them)
(Provide an overview over the available processors and parameters with a focus on their differences and advices which configurations to use for which originals. Also describe common values for the parameters and describe how they could be adjusted for particular originals)
(Show some difficult examples along with adequate solutions for good (parts of) workflows)
Welcome to the OCR-D wiki, a companion to the OCR-D website.
Articles and tutorials
- Running OCR-D on macOS
- Running OCR-D in Windows 10 with Windows Subsystem for Linux
- Running OCR-D on POWER8 (IBM pSeries)
- Running browse-ocrd in a Docker container
- OCR-D Installation on NVIDIA Jetson Nano and Xavier
- Mapping PAGE to ALTO
- Comparison of OCR formats (outdated)
- A Practicioner's View on Binarization
- How to use the bulk-add command to generate workspaces from existing files
- Evaluation of (intermediary) steps of an OCR workflow
- A quickstart guide to ocrd workspace
- Introduction to parameters in OCR-D
- Introduction to OCR-D processors
- Introduction to OCR-D workflows
- Visualizing (intermediate) OCR-D-results
- Guide to updating ocrd workspace calls for 2.15.0+
- Introduction to Docker in OCR-D
- How to import Abbyy-generated ALTO
- How to create ALTO for DFG Viewer
- How to create searchable fulltext data for DFG Viewer
- Setup native CUDA Toolkit for Qurator tools on Ubuntu 18.04
- OCR-D Code Review Guidelines
- OCR-D Recommendations for Using CI in Your Repository
Expert section on OCR-D- workflows
Particular workflow steps
Workflow Guide
- Workflow Guide: preprocessing
- Workflow Guide: binarization
- Workflow Guide: cropping
- Workflow Guide: denoising
- Workflow Guide: deskewing
- Workflow Guide: dewarping
- Workflow Guide: region-segmentation
- Workflow Guide: clipping
- Workflow Guide: line-segmentation
- Workflow Guide: resegmentation
- Workflow Guide: olr-evaluation
- Workflow Guide: text-recognition
- Workflow Guide: text-alignment
- Workflow Guide: post-correction
- Workflow Guide: ocr-evaluation
- Workflow Guide: adaptation-of-coordinates
- Workflow Guide: format-conversion
- Workflow Guide: generic transformations
- Workflow Guide: dummy processing
- Workflow Guide: archiving
- Workflow Guide: recommended workflows