Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Comment: to better identify the audience for this document, I added: (This is how Imaging Services formats and organizes data to share with project partners.)

Image File Data Organization and Data Transfer Guide

(This is how Imaging Services formats and organizes data to share with project partners.)

Description of files

  • Image files are encoded in compliance with the JPEG2000 standard
    • Data compression: irreversible 9-7 wavelet transform for lossy compression, or reversible 5-3 wavelet transform for lossless compression.
    • Photometric interpretation:
      • RGB (color), 8-bits per channel, embedded sRGB ICC profile.
      • Grayscale, 8 or 16-bits per channel.
  • Structural metadata files (optional) conform to the METS standard and Harvard's METS profile for page-turned objects.
  • MARC record files (optional) are in MarcXML or MODS format.
  • Packaging tag files generated by the packaging application (Bagit) describe the package.

...