Image File Data Organization and Transfer Guide
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 sRGBICC 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.
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