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Mon Jun 20 10:25:43 EDT 2016

image to pdf

Scanning 12 pages from rgb png produces 65Mbyte using mogrify + pdfunite
How to make an acceptable pdf from png files?

This:

http://unix.stackexchange.com/questions/42856/how-can-i-convert-a-png-to-a-pdf-in-high-quality-so-its-not-blurry-or-fuzzy

Says to use img2pdf

https://gitlab.mister-muffin.de/josch/img2pdf

If one wants to losslessly convert from any format to PDF with
imagemagick, one has to use zip compression:

$ convert input.jpg -compress Zip output.pdf
$ pdfimages img.pdf img.extr # not using -j to be extra sure there is no recompression
$ compare -metric AE img.jpg img.extr-000.ppm null:
0



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