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REAL IMPLEMENTATIONS / RESEARCH

Transcribing handwritten letters with Transkribus

Laura Fahnenbruck and the Trug und Schein volunteers combined handwriting recognition with collaborative proofreading to publish historical letters.

THE ACTUAL IMPLEMENTATION

What they built.

The Trug und Schein project worked with letters written by two people whose handwriting volunteers had already learned to read. In a Transkribus interview, Laura Fahnenbruck explains that earlier manual transcriptions became training material for personalized recognition models. That model-building history is the vendor's account.

The successor archive provides stronger evidence for the result: readers can search and read actual transcriptions. Its own method explains that some letters receive machine-generated drafts followed by collaborative correction. It also documents editorial choices, identifiers and uncertainty markers, making human interpretation visible in the published material.

Published archive plus vendor interview

The original archive and editorial-method page verify real public output. Transkribus's interview supplies model-building details and must remain identified as vendor-reported.

Read the archive's working method

How the tools work together

Handwriting recognition supplies preliminary text from a scan. Readers check it against the source and preserve relevant spelling and layout features. The archive then associates the reviewed transcription with metadata so people can retrieve a letter by date, writer or topic and understand editorial interventions.

Workflow at a glance

  1. Prepare examples of the handwriting

    Previously transcribed letters supplied training material for models suited to the two writers.

  2. Generate and proofread a draft

    Recognition produces preliminary text; volunteers compare it with the handwriting and correct it together.

  3. Publish a traceable transcription

    Reviewed letters receive identifiers and editorial annotations before publication in the searchable archive.

How you could adapt the idea

Try the pattern on a few letters you are entitled to process and can check with a knowledgeable reader. Keep the original image beside the draft and record uncertain words. Expand only after understanding the error patterns; training a custom model requires reviewed examples, not just a large folder of scans.

Effort, cost and limitations

Effort
The project relied on skilled readers, volunteer training and repeated proofreading. Training models was additional work beyond uploading scans.
Cost
The project does not disclose a reproducible per-letter or total cost. Account, processing allowances and volunteer effort need separate consideration.

The archive says only part of the collection uses Transkribus; do not describe every published letter as AI-transcribed.

Writer-specific recognition does not establish accuracy on another person's handwriting. The original project has ended in its earlier form; the successor archive preserves the work.

Go to the original work.

Original archive, contributors and transcription methodSearchable published lettersVendor interview with Laura Fahnenbruck, 16 July 2024Shared combined-handwriting model linked by the interview

Source-backed editorial account; PrisAIm did not run or independently benchmark this implementation.

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