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Old 09-03-2011, 06:03 PM   #40
Philosopher
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Originally Posted by joeanne12 View Post
Hi have searched for an answer but cant find one. I have a couple of pdf books that have two pages printed on the same page and cannot convert them successfully. I cant even seperated the pages, does anyone have any idea how this can be done?
Thanks

This comes YEARS after this thread. But I thought I'd add something - as I am currently looking for a solution for use on a PC.

I have been scanning my books for years. The way I had performed this reduction from the two-page scan to single pages was to create a batch process in Photoshop that divides the page 50% left and saves it - with a sequential page number and an ".l" - and then running a second batch that divides the page 50% right - and similarly saves it with an ".r"

So I get a directory of docX.001.l, docX.001.r, ... docX.n.l, docX.n.r - I then simply import the image files into Acrobat.

It takes some time - but with the batch processes (I haven't been able to create one that does both left and right with one process - but I am not that sophisticated in programming photoshop) it is fairly easy and painless. It will just take a while for a lengthy book to be split into twice as many image files and saved - and then imported into acrobat.

NOW - I am still looking to see if anyone has come up with a better way - and I am going to try ABBY FineReader. Have a copy - but never used it - will see if it can do it.

BUT I do have GOOD NEWS (Just not as complete as I wish). On the computers that I run unix (using Ubuntu) there is an application that does exactly this. Its just that I cannot remember the name. I do recall though that if you use Ubuntu's built in software installer and search for PDF - you will find it that way.

Hope this helps. I will post a new post as well so others might be able to benefit from this - or if others have new information.

Here were the other suggestions given to date - I haven't tried them yet:

Finereader Pro 9 (http://www.abbyy.com) and Snapter (http://www.snapter.atiz.com) can do this.

I managed to get some readable documents by using PaperCrop (see https://www.mobileread.com/forums/showthread.php?t=31677)

laborg
Zealot

You could try BRISS ( https://sourceforge.net/projects/briss/ )


Old 06-28-2010, 08:46 AM #4
If you have Perl installed on your machine, you can use this script of mine.
http://snipplr.com/view/18924/split-...e-pdfs-in-two/

You can use Adobe Acrobat (not the Reader):

1. Choose Adobe PDF printer
2. Set Page Scaling to "Tile Large Pages", set Tile Scale to 100% and overlap to 0
3. Print the document with Adobe PDF printer as a new .pdf file
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