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

White Margins

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feliks
Posts: 24
Joined: 06 Jan 2012, 15:10
Number of books owned: 150

Re: White Margins

Post by feliks » 07 Jan 2012, 18:39

Ah,

What a shame that you're right! I did a test scan to see if it was how the programme interpreted the empty space in the image, and lo, it worked properly--so I have to find the offending images.

Can the "fix dpi" option when I start a new project fix it, or do I need to find the images by hand?

Thanks again,

-Feliks

Tulon
Posts: 687
Joined: 03 Oct 2009, 06:13
Number of books owned: 0
Location: London, UK
Contact:

Re: White Margins

Post by Tulon » 08 Jan 2012, 06:53

feliks wrote:Can the "fix dpi" option when I start a new project fix it, or do I need to find the images by hand?
It may or may not flag those pages as needing to be fixed. It's usually easy to spot unusual pixel sizes though. Still, I believe the method I suggested previously would be easier.
Scan Tailor experimental doesn't output 96 DPI images. It's just what your software shows when DPI information is missing. Usually what you get is input DPI times the resolution enhancement factor.

feliks
Posts: 24
Joined: 06 Jan 2012, 15:10
Number of books owned: 150

Re: White Margins

Post by feliks » 08 Jan 2012, 09:09

'morning,

Too late, re-started, forced ST to "fix" all dpi, and lo, we were in business. Curious, though, because although it was a "scan by hand" using a Brother scanner, I didn't change any of the settings--everything was set to 600 dpi grayscale scanning. Strange that the DPI should get mucked up.

Anyway, thanks again!

-F

Tulon
Posts: 687
Joined: 03 Oct 2009, 06:13
Number of books owned: 0
Location: London, UK
Contact:

Re: White Margins

Post by Tulon » 08 Jan 2012, 09:23

feliks wrote:Curious, though, because although it was a "scan by hand" using a Brother scanner, I didn't change any of the settings--everything was set to 600 dpi grayscale scanning. Strange that the DPI should get mucked up.
This often happens when you post-process scans in 3rd party image editing software.
Scan Tailor experimental doesn't output 96 DPI images. It's just what your software shows when DPI information is missing. Usually what you get is input DPI times the resolution enhancement factor.

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