Questions tagged [images]
Something related to visual data files
378 questions
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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 ...
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visualize "diff" of images using imagemagick without postprocessing effect
I'm comparing 2 images using imagemagic (compare a.png b.png -compose src diff.png):
They don't look much different at all. Yet the diff image from imagemagick-compare is so hard to read:
How can I ...
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Writing to the framebuffer while X or Wayland is running?
This is a pretty straightforward question.
I am writing a Qt program that looks to render graphics in the terminal. To do that, I utilize Sixel Graphics which has a large overhead. I would rather ...
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How to connect to primary process of a running docker container
I've a docker container running on my Linux host.
root@eve-ng-6:~# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
ea25d3afa65d ...
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How to automatically straighten a scanned document in Debian Linux, undoing a possible rotation of the text?
Consider the image
(the sensitive header and footer have been blanked for the purpose of this question, which would be valid also with them). As you see, it's a bit tilted clockwise. We tried to ...
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linux mint is rendering image colours incorrectly
EDIT!
so i guess it's not a matter of colour profiles or operating systems, but of whatever program linux uses to render images by default..? maybe??? because when i open up the same image in both ...
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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 ...
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What Icons do you use in libreoffice draw for network diagrams? and how do you add them?
I wanted to use libreoffice draw to draw network diagrams.
I searched a little and found out that there is an extension called VRT ( https://extensions.libreoffice.org/en/extensions/show/vrt-network-...
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Viewing bitmap without interpolation (with Feh or otherwise)
My preferred image viewer is Feh. When I open a small image with Feh, there is very intrusive interpolation between pixels. I would like to turn this off and just view the raw pixels. How can I do ...
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Best Practices: Creating a Bootable Image of a Customized Debian 12 Bookworm microSD-Card for Raspberry Pi 4B
I have a Raspberry Pi 4B (short: RPi4B) running Raspberry OS Debian GNU/Linux 12 bookworm, which I've configured to meet my specific needs (Installing several software packages and making various ...
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Split a group of images vertically with output in different directories
I have a directory with 170 png photos on a Linux Mint machine, which I want to split in half. I came up with a solution, but it didn't work properly, because it overloaded the cache. The command I ...
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For what tasks Netpbm images are used? Why 'pdfimages' use it as a default 'format' for extracted images?
Normally, all images are written as PBM (for monochrome images), PGM (for grayscale images), or PPM (for color images) files. With this option, images in DCT format are saved as JPEG files. All non-...
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Bulk Resize Images of Different Aspect Ratio so that all have Same Width
I am trying to resize multiple images inside of a folder so that all images have the same width, keeping aspect ratio. The images are all different sizes and aspect ratios. I don't care about the ...
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Failing to extract image from MP3
I have MP3 files with ID3 images of type "Other". I have tried a variety of methods to extract the images, including the suggestions at How to Extract Album Cover Image from MP3 file? To ...
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How can I view an image in ranger without closing ranger?
I installed ranger console file manager on Ubuntu. I'd like to view images with it in the console (which I access via JupyterLab), so I also installed caca-utils, which contains img2txt:
sudo apt-get ...
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