Questions tagged [image-manipulation]
Use this tag for questions related to the changing/combining of files containing pictures or other images. (Dumps of filesystems are often called images, but handling those is not called image-manipulation)
150 questions
0 votes
0 answers
86 views
How to automatically vertically unshear a scanned page in Debian?
Continuing How to automatically straighten a scanned document in Debian Linux, undoing a possible rotation of the text?, how to automatically vertically un-shear a scanned page? Sometimes a ...
- 1
0 votes
0 answers
30 views
Image or Photo Mgmt App - 2 visible open images in same frame
Cross posted from linux mint forum, where no response was received. My workflow involves having multiple images open and simultaneously visible and editable, in a single frame, in a single instance of ...
- 333
2 votes
4 answers
217 views
How to auto-rotate a rectangular image area by a few degrees so that its left border gets vertical (using command line tools like imagemagick)
I have several thousand images whose main characteristics are as in the attached picture: All images are in a (nearly) black frame, while the actual image content nearly always is on a white ...
- 3,941
3 votes
1 answer
129 views
Reshape an image with ImageMagick
I know I can resize a image with ImageMagick using -resize or -scale, but how can I reshape a image with ImageMagick? If I use -resize or -scale: magick image.png -resize 160x a.png magick image.png -...
1 vote
1 answer
830 views
difference between convert -quality and convert -resize and convert -density
I'm trying to reduce file size of a .png in the terminal with Imagemagick convert Does anyone know the difference between convert -quality , convert -resize and convert -density ? convert -quality ...
- 704
0 votes
1 answer
199 views
Print two half-sized copies of a two-sided document at once
I have a two-sided, us-letter format document that I'd like to print two copies at once, by resizing it to half letter (a.k.a. statement, or organizer L). My current workflow is very inconvenient: ...
- 410
2 votes
0 answers
78 views
Flip an xcursor in the console
I'm left-handed and I want to be able to correctly flip any arbitrary xcursor theme so that I can use it as a left-handed version. I’m surprised this isn’t build in. So a way to flip an xcursor file, ...
anon
1 vote
1 answer
631 views
Best command-line OCR software for recognizing typed text over colorful background
I need to extract text from images like the one below: As you can see, the text is typed not handwritten. Moreover, the background is colorful. I've tried Tesseract OCR, and while it works some of ...
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