Friday, June 29, 2007

JP2 Samples for review

In our current workflow, we convert TIFs from our scanner(s) into 100% lossless JP2 using LuraTech's SDK. We're evaluating lower quality JP2, and your comments are appreciated for the following images. This sample was taken from a volume of Curtis' Botanical Magazine. There are 211 images in the volume.

Total file size for all uncompressed TIFFs: 4.39GB
Total file size for 100% JP2: 2.28GB
Total file size for 90% JP2: 660MB
Total file size for 80% JP2: 499MB
Total file size for 50% JP2: 160MB
Total file size for 30% JP2: 58.5MB

Illustration - TIFF 21.6MB

100% quality JP2
Size: 12.6MB

90%
Size: 2.8MB

80%
Size: 2.0MB

50%
Size: 527KB

30%
Size: 184KB

Text - TIFF 21.0MB

100% quality JP2
Size: 10.7MB

90%
Size: 2.8MB

80%
Size: 2.0MB

50%
Size: 565KB

30%
Size: 208KB