On 2018-03-20 7:50 AM, Mattis Lind via cctalk wrote: > So I have imaged the three disks I found using ImageDisk: > http://storage.datormuseum.se/u/96935524/Datormusuem/TEXAS.zip > > Then I scanned one of the manuals. UCSD Pascal : > http://storage.datormuseum.se/u/96935524/Datormusuem/UCSD-Pascal.pdf > > The problem is that manual has text in red/brown and black. I scanned it in > colour. However the actual colour of the scan varies a bit between pages. > (Maybe because there are two sensors, one for top side and one for bottom > side.) > And the scan get very big. > > Is there a way to create filter this pdf to use three colours and possibly > compress it better? What is the best way to deal with scans of documents > with coloured text. I know many DEC manuals that has coloured text as well.
Matt Zucker's noteshrink is designed for similar tasks. I've had good results, even on whole books: https://github.com/mzucker/noteshrink Feel free to send me your original files if you'd like me to try things out. > > /Mattis >