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Items tagged with "ocr" (3)

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Workflows (2)

Taverna 2

Original Uploader

Donal Fellows

Sample IMPACT hackathon workflow (v1)

Created: 14/11/11 @ 16:12:10 | Last updated: 14/11/11 @ 16:12:11

Credits: Donal Fellows

License: Creative Commons Attribution 3.0 Unported License

Workflow that implements the Use Case for Group 2 at the IMPACT/Taverna hackathon. What it does is to take the URL of a TIFF image and compute the Levenshtein difference between the OCR output of the uncompressed version with various ones compressed at various bit rates.

Rating: 0.0 / 5 (0 ratings) | Versions: 1 | Reviews: 0 | Comments: 1 | Citations: 0

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Taverna 2

Original Uploader

Sven

A heuristic measure for detecting undesired influence of lossy JP2 compression on OCR in the absence of ground truth (v2)

Created: 06/02/12 @ 12:27:23 | Last updated: 09/03/12 @ 14:33:19

Credits: Sven

License: Apache License v2.0

The workflow takes TIFF image instances as input, applies a list of JP2 compression parameter values, executes OCR using an open source OCR engine, evaluates the results, and creates a diagram visualising the results. Dependencies on external tools for the tool service components: Tesseract ImageMagick Kakadu Gnuplot Dependencies on external Java libraries of beanshells: Apache commons lang

Rating: 0.0 / 5 (0 ratings) | Versions: 2 | Reviews: 0 | Comments: 0 | Citations: 0

Viewed: 15 times | Downloaded: 5 times

Tags (6):

compression
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jp2
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jpeg2000
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lsdrt
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ocr
|
scape

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Groups (1)

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IMPACT

IMPACT - Improving Access to Text

Unique name: IMPACT Created: Tuesday 19 January 2010 @ 13:14:21 (GMT)

IMPACT (IMProving ACcess to Text) is a project funded under the Seventh Framework Programme of the European Commission (FP7). It aims to significantly improve access to historical text and to take away the barriers that stand in the way of the mass digitisation of the European cultural heritage. This is currently a restricted group. In case of questions, please contact the Project Office at im...

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