I scanned in a booklet, and now I have a tif file with "pages" composed of two real pages each, in the order 6/7,5/8,4/9,3/10,2/11,1/12. Is there a way (tool, imagemagick command, etc.) to slice each "page" in half without having to crop each manually twice?
If the pages have to be split in the middle, you can use ImageMagick as follows:
The general syntax is
You can also use