I'm using gimp to increase the contrast of scanned documents. The
scanned images were combined into a multi-page pdf. The images are
music scores; the originals are RGB, but only grayscale information is
important.
I opened the input pdf as layers with a resolution of 300 dpi, changed
the bri
I loaded the "output" pdf files back into GIMP, and I noticed a
difference in the page size.
When I read in the "input" pdfs, GIMP lists the page size as ~ 8.5" x
11" for both sets of files. When I read the output pdf files back into
GIMP, GIMP lists the same page size for the first set, but
On 27/02/15 14:03, Alan Barnett wrote:
I'm using gimp to increase the contrast of scanned documents. The
scanned images were combined into a multi-page pdf. The images are
music scores; the originals are RGB, but only grayscale information is
important.
I opened the input pdf as layers with a
I think you are doing it all wrong.
To answer your last question first, you will probably find the dpi has gone
from 300 to 72 dpi (or of that order)
Secondly, I don't quite understand what was done. Was the whole score saved as
a multipage pdf, if so, can you break it up with pdftk or pdfsepar
