Archived copy. This page was recovered from the Internet Archive snapshot of /display/AQuA/Quality assurance of a migration from TIFF to JPEG2000 taken on 2013-07-27. The original wiki at wiki.opf-labs.org is being decommissioned.

Quality assurance of a migration from TIFF to JPEG2000

comparison
prototyped

Created by Paul Wheatley on Apr 12, 2011 · last edited by Julie Allinson · on Jul 27, 2011 (view history) · 6 versions

One line summary	Quality assurance of a migration from TIFF to JPEG2000 to ensure that significant properties of the TIFF master originals are captured in the JPEG2000 derivatives
Detailed description
Issue champion	Paul Wheatley
Possible approaches	Image comparison between the source and destination (requires more complex solution if lossy compression is used in the JPEG2000) OCR comparison between the source and destination
Context
AQuA Solutions	Perceptual Image Diff comparison OCR Comparison
Collections	Wellcome Library digitisation