DPI is suspicious. Guessing both exports treated the input as 150dpi on the
way in regardless of real DPI. Check the resolutions on the >1500dpi images
- to convert for example 1500dpi to 150dpi without losing data you need to
go up 10x in pixels, so for example 200 pixels to 2000. If it didn't
sage-
From: Code for Libraries [mailto:CODE4LIB@LISTSERV.ND.EDU] On Behalf Of Kyle
Banerjee
Sent: Thursday, 26 May 2016 9:20 AM
To: CODE4LIB@LISTSERV.ND.EDU
Subject: Re: [CODE4LIB] JPEG question
Is that 1524 dpi for Batch A a misprint? If not, that's very likely to be your
problem -- I doubt th
Is that 1524 dpi for Batch A a misprint? If not, that's very likely to be
your problem -- I doubt that's what the vendor really scanned at.
If you change the dpi values and try to reload, my guess is you'll get very
different results.
kyle
On Wed, May 25, 2016 at 2:40 PM, Bernadette Houghton <
We have had some test scans made of a pressed flower album, and are mightily
puzzled by the difference in quality when we process the resulting JPGs through
BookReader. There are 2 batches, each taken by different 3rd parties.
For Batch A, the original JPGs are ~3-4MB each, 1524 dpi, 24 bit
