All Questions
Tagged with image-processing scanning
4
questions
3
votes
1
answer
946
views
When a PDF file only contains a scanned image, is it just a JPG image inside a PDF container?
Many scanners can scan a page into a PDF file.
When this is done, is the PDF file really just a container that contains a single image? Is that image typically a JPG image, a PDF image, or a ...
0
votes
1
answer
5k
views
Document scanning: How to speed up the software part of the scanning process? [closed]
I am looking for a solution to speed up my document scanning process, especially for those documents that are not suitable for a typical document scanner with an automatic document feeder (ADF). For ...
10
votes
7
answers
10k
views
Detecting blank image files
I am using scanimage with a document scanner (Canon DR-2510C) that supports duplex scanning. Unfortunately, its SANE driver does not support blank page detection, so that with mixed pages (single/...
11
votes
4
answers
37k
views
How to get a good clean newspaper scan?
I tried a few times to scan newspaper articles, but the images I got were always blotchy and with bad colors, sort of like this:
Sometimes I see some really good scans, like this:
What is the trick ...