Try Audiveris. https://github.com/Audiveris/audiveris
The output MusicXML will require cleanup and proofreading. I import it into MuseScore for an initial editing pass, then export again to MusicXML. This new file goes into Frescobaldi. On Sat, 15 Jan 2022, 17:23 James B. Wilkinson, <the....@twc.com> wrote: > I'm looking at getting an OCR program to recognize scans in pdf files and > create MusicXML files representing the contents. I would then use the > musicxml2ly or perhaps some other script to translate the MusicXML to > Lilypond files, I imagine that some of you are already doing this, and I > wonder whether you could give me or point me to some tips as to what > software to use and how to go about it. > > Using MIDI files as the intermediate representation may also be a > possibility. I'd appreciate hearing about that, too. > > > thanks >