Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ

Scantailor preprocess script

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pablitoclavito
Posts: 39
Joined: 12 Sep 2012, 16:54
E-book readers owned: Iliad
Number of books owned: 200
Country: Spain

Re: Scantailor preprocess script

Post by pablitoclavito » 27 Feb 2014, 19:09

The first failure is that it's not calibrating properly. From what I can see, it's trying to convert JPG (case sensitive) to ppm files. At the end of the script, it deletes the PPM files, so the first thing I'd check is that it is actually making those conversions in the first place etiher by commenting out the cleanup section or just watching the file manager when you run the script. Also check the name of the calibration image. It's looking for calibration.JPG. If you are doing it differently, change the configuration as appropriate.
Sorry, back again here.
I checked filenames and they were OK.
In file manager I get all the JPG files converted to ppm (big file size); but the ...corrected.ppm files are 0 bytes. The remaining files are calibration.bin (0 bytes too) and preprocess.log
Imagemagick is installed.

I used your Debian Post-Install Script (in case my installation of ppmunwarp went wrong), but it happens the same.

Thank you.

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