According to Project Gutenberg Distributed Proofreaders (pgdp.net if you're
interested), they actually recommend not scanning at 600 DPI. They
recommend 300 DPI for most books and 400 DPI in rare cases. I can confirm
this to be the case in my experience. When I scan at the highest
resolution, I actually get worse text results. Not only does 300 DPI scan
faster, but seems to do a better job. Of course I don't know about
non-English text. Maybe 400 DPI works better for other languages.
On 11/5/2015 7:30 AM, John G Heim wrote:
I did a lot of experimentation while scanning in the D&D manual. I found
that I got best text recognition when I scanned in the page as line art. My
scanner has a top resolution of 600 dots per inch. I don't know if that's
good or bad. It's is a really ancient scanner. Someone just gave it to me
because they were upgrading to Windows XP and it didn't have drivers. When
would that have been, 2001? But it still works great in linux.
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