Oops, I meant to send this to the list.
On 6/23/2014 10:30 AM, Ana G wrote:
> Well, I think I solved my problem with Open Book not seeing the space 
> between two facing pages. The solution is to increase the scanning 
> resolution in Open book.
>
> When I was poking around the web in search of ideas, I read a couple 
> of blog posts on scanning tips by people who submit material to 
> Project Gutenberg. One mentioned buying a scanner with higher 
> resolution if the plan was to scan older books, detailed images, and 
> so on. That prompted me to check the resolution for my scanners. One 
> can do 4800, and the other can do 600. I went into Open Book's 
> settings>Workflow to change resolution from the default 300 to 400, 
> and when I rescanned my book, results were much, much better.
>
> I've exchanged a couple of emails with HoverCam tech support. The 
> person I've been communicating with cited a high resolution for the 
> camera, so I'm going to try using it to scan a few pages from the same 
> book to compare. He also suggested I try the HoverCam's software for 
> the initial scan, which was pretty much what David suggested (thanks).
>
> Anyway, this has been a little surprising. The books I've been working 
> with are standard textbooks. They're the size of a small paperback and 
> have minimal eye-candy. What's puzzling to me is that at a resolution 
> of 300, one page scans well while the other one is a mess, so I don't 
> really understand why changing the resolution solves the problem: 
> presumably if the print is clear enough for one page to be recognized, 
> it should be clear enough for the other as well.
>
> Anyway, I'm posting this here in case others have the same issue with 
> some books.


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