Downloaded from Music Finland, "for promotional use only", with watermarks removed. The images were not reprocessed, so no generation loss was introduced.
As in many other cases, the watermarks are seperate images in the PDF, and the unwatermarked scans can be extracted using the "pdfimages" command from the poppler-utils library.
However, the scans are in JBIG-2 format, which none of my other tools knew how to work with. The solution was to output as png instead.
The command is: pdfimages -png input.pdf fantasia
The relevant png files were then combined back into a pdf file using img2pdf version 0.2.4: img2pdf.py -o suolahti_fantasia_musicfinland.pdf *.png
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:44, 12 May 2018 | | 10,000 × 10,000 (1.7 MB) | Thingy Person (Talk | contribs) |
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