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Create Your Own Digital Library - Open Knowledge — LiveJournal

Jul. 30th, 2003

01:53 am - Create Your Own Digital Library

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From:selfishgene
Date:July 30th, 2003 05:27 am (UTC)
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Now if you make it with a page turner and sync the camera somehow you can leave it to run unattended. You would need some sort of OCR and a routine to detect when a page was skipped. If page 203 is followed by 206 then the page turned screwed up.
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From:crasch
Date:July 30th, 2003 12:20 pm (UTC)
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A page turner would be hard, I think. A 400 page book would take about 30 minutes, assuming I photographed 2 pages at once, and it took 10 seconds per page.

If I was willing to destroy the books, I could just cut the backs off the books and feed them through a document feeder into a scanner. But that would be very difficult for me to do.
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From:gustavolacerda
Date:July 30th, 2003 02:32 pm (UTC)
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idea:
use an arm with on-off suction cups to turn the pages. The book is held in place as the arm reaches into the middle of the right page. When the arm gets back, it releases pressure and lets the page fall back, finishing the turning operation. Some help from a page-pushing/page-holding arm may be necessary, but this wouldn't be anything new.

If the paper is the non-shiny kind and won't stick, find a way to coat it so that it's easier to stick. Shine is not a problem with proper lighting.
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From:joe_tofu
Date:July 30th, 2003 05:42 pm (UTC)

you're missing...

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Maybe you can photograph that much in 30 minutes, but you're forgetting what kind of post-processing you'll need. You will end up with enormous files, and every pair of pages in its own file. Ideally you would combine them into one PDF file, but because they are pictures it would probably be huge. I don't know what software tools exist to help with this.
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