Workflows

JP2 to TIFF file format migration with qua... (1)

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This workflow reads a textfile containing absolute paths to JP2 image files and converts them to TIFF image files using Kakadu's j2k_to_image command line application (http://www.kakadusoftware.com). Based on the input text file, the workflow creates a Taverna list to be processed file by file. A temporary directory is created (createtmpdir) where the migrated image files and some temporary tool outputs are stored. Before converting the files, the JP2 input files are validated using the SC...

Created: 2013-02-07

Credits: Sven

A heuristic measure for detecting undesire... (2)

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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

Created: 2012-02-06 | Last updated: 2012-03-09

Credits: Sven

Detect compressed TIFF files and remove th... (3)

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The workflow takes a list of TIFF images as input, identifies the "Group 4 Fax" comressed TIFF images and converts them to uncompressed TIFF images using convert. Finally it characterises the converted image. This version of the workflow replaces the web services of the original workflow with tool services.

Created: 2011-06-15 | Last updated: 2012-03-08

Credits: Sven

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