Questions tagged [images]
Something related to visual data files
321
questions
0
votes
0answers
28 views
How can I use one input file into several separate operations
I would like to read one file, do an operation with several different parameters on it and finally save each output as a separate file.
Currently I do it as shown in the code snipped below.
This reads ...
0
votes
0answers
13 views
Command-line tool to overlay XML image labels with original JPG image
I label images for a machine learning algorithm using an open-source tool called labelImg. By default it stores the label annotations (green boxes around objects) in an XML format in a separate file (*...
0
votes
0answers
16 views
Create png image using data in terminal
I use the below code to create a random PNG
mx=500;my=500;head -c "$((3*mx*my))" /dev/urandom | convert -depth 8 -size "${mx}x${my}" RGB:- randoms.png
How would I populate the ...
0
votes
0answers
32 views
Markdown & Pandoc : How to include a specific PDF page as image?
It is currently possible to insert a PDF as an image in markdown files through pandoc by doing this:
# Hello World
Then you convert that markdown file with pandoc:
...
0
votes
4answers
35 views
Is there a way to view web images from the terminal?
I want to be able to view the images inside a repository about wallpapers. Going through every image takes to long with the browser. I wonder if exists a program which I can accomplish this, view ...
0
votes
0answers
13 views
Accidently imaged only part of LUKS drive while unencrypted
I accidentally imaged the drive while it was unlocked and I only imaged the luks partition (Ie. only the luks part of the drive and not the unlocked part of the drive), now when restored I cannot ...
0
votes
1answer
44 views
Invalid MIT-MAGIC-COOKIE-1 key% WIDGET_CONTROL: Unable to connect to X Windows display: localhost:11.0
I am trying to run IDL from remote in terminal window. I would like to produce an image in a png file from remote without the pop-up window in my terminal (for some reasons that I do not know pop-up ...
0
votes
2answers
56 views
Extract jpg property 'keyword' from terminal
Using Ubuntu 20.04, I can right-click on a jpg and select 'properties'. A window will open containing the tab 'image'. In this tab, there is a section called 'Keywords', the content of which I would ...
1
vote
0answers
31 views
Convert jpg to bmp in an ARM Cortex M4 MCU
I'm currently working in a project that involves the use of an ARM cortex M4 MCU, specifically STM32F429, which has an embedded LCD controller which uses the bmp image format to show the images in the ...
1
vote
1answer
338 views
Alacritty Ranger w3m: Images are not showing or disappear after few seconds
I am using Alacritty and ranger. I have also installed w3m.
This is part of my ~/.config/ranger/rc.conf:
set preview_images true
set preview_images_method w3m
set w3m_offset 0
Most of the time images ...
1
vote
4answers
89 views
Download image in high resolution
I wanted to download this map: https://www.wdl.org/en/item/17278/
With the webpage download option I get the image in low resolution, however with the zoom option I can see the map with a fairly good ...
4
votes
2answers
2k views
How to blur webcam background in Microsoft Teams
I am currently using Teams for a master and I would like to blur my backgrounds, do you know any way to do it?
1
vote
2answers
71 views
How can I paste an image from clipboard directly to a file? [duplicate]
I need exactly this one but on Linux:
Anyone know of a way to simply paste a screenshot (taken with PrtScn or Alt+PrtScn) into a Windows Explorer folder and have it be saved as an image (possibly ...
0
votes
0answers
19 views
How to prohibit thumbnails from digiKam to automatically get removed in git-annex-repositories?
git-annex is a great way to keep big stuff under (distributed) version control. I'd also like to do that with my images. Currently I'm using digiKam as my photo management tool.
By itself this works ...
0
votes
0answers
38 views
Arch Linux Gnome Font Rendering Problems
Hello Everyone and thanks for looking.
As I was customizing arch linux with Gnome DE installed, I noticed that the text are not very sharp. And so I went ahead and turned on anti aliasing through ...
0
votes
0answers
123 views
How to improve font rendering in Gnome installed under Arch Linux?
Hello Guys and thanks for taking a look at this!
So I have noticed that the font rendering in the Gnome DE under Arch linux doesn't yield a sharp image even when anti-aliasing is set to sub pixel in ...
0
votes
1answer
27 views
bulk resize height*width problem
I'm trying to resize all images in a directory using this bash script :
for i in *.jpg; do
printf "Resize $i\n"
convert "$i" -resize 336x336 "$i"
done
But when ...
0
votes
0answers
44 views
Viewing images date-wise in an image viewer
I am on Debian testing. I have come across this problem before and haven't found any resolution so far using search-engines, perhaps not precise enough, dunno.
The thing is I have a folder/directory ...
0
votes
0answers
26 views
Photo print - default settings
Everytime when I print a photo on linux (using eog), I had to modify on "Page Setup" tab, the paper size. By default it is set to "US Letter", but I need it to be A4. My question ...
0
votes
0answers
40 views
How to list all image files with a certain rating (recorded in XMP data)
I have a directory with a large list of image files (JPG). Some of them have a specific rating, which is recorded as XMP data. An example would be
XMP Exif > xmp:Rating = 5
(for a file that has 5 ...
0
votes
1answer
39 views
Can't rm formats after conversion
How can I fix the following command, so that all files with the format specified with the rm command are deleted?
#!/bin/bash
mogrify -verbose -format webp -quality 70 *.jpg *.jpeg *.JPEG *.JPG *.png *...
0
votes
1answer
31 views
Discard black/dark timelapse photos using a script
I'm capturing an rtsp stream using ffmpeg every minute (underwater) and only want to discard any photos that are captured which is less than 10% light. This is my very simple cron script, which I'd ...
0
votes
1answer
178 views
How to unzip the U-boot image?
I have the U-boot image called:
rootfs.13cy.initramfs.bzip2.uboot
I want to see what's inside of it.
Whats dumpimage cmd shows me:
dumpimage -l rootfs.13cy.initramfs.bzip2.uboot
Image Name: ...
1
vote
1answer
39 views
Specify rootfs mount options
I would like to specify mount options for my rootfs as per instructed here however I am unsure where this should be done. I've looked through the genimage docs and there was no generic option to pass ...
0
votes
0answers
19 views
Image conversion using IMAGEMAGIC
I am using convert utility of Image-magic on my MacOS to convert PS graphs to PNG images adding some information to the resulted image
convert -undercolor white -background white -alpha deactivate -...
0
votes
0answers
27 views
Terminal Image editor utility for MAC OS
I am dealing with the analysis of many PostScript graphs on my macOS system. Could you suggest me some utility that could be executed in terminal with the aim to add some information to the graph in ...
1
vote
1answer
67 views
Superimpose multiple images
I have multiple pictures that are look alike, they're all black and differ only in the one dot of the screen, I want to combine them in one picture so I can see all the dots in one picture. How can I ...
1
vote
0answers
320 views
What do the avifenc min/max quality settings do?
I'm using avifenc by joedrago to create AVIF images (for use on the web). I installed it via Homebrew on macOS using:
brew install joedrago/repo/avifenc
There doesn't seem to be a single quality ...
1
vote
1answer
401 views
ImageMagick - how to preserve exact palette in .PNG
I'm trying to use convert(1) from ImageMagick to convert from .tga to .png (and back again later), while preserving exact palette that was used.
Source image is TARGA color indexed file, having a ...
0
votes
0answers
38 views
How to capture one image (screenshot) from asciinema?
How can I extract one asciinema image from a video, i.e. make a "screenshot"?
As an output file I want a file with all ansi codes etc.
My aim then is to convert it to HTML to then convert ...
0
votes
0answers
79 views
Thunderbird/X11 - pasting images from clipboard/primary selection fails unless I first paste to libreoffice
If I do a screenshot to clipboard like this:
xsnap -png -stdout | xclip -selection primary -t image/png
.....then a middle-mouse-button-paste to thunderbird yields a binary paste starting with '�PNG ...
0
votes
2answers
111 views
Is there a PNG file that exists in almost all Linux distributions?
I need a default image for the demo, but I don't want to attach an extra image to the installation package.
So I want a PNG file that is normally found in almost all Linux distributions, except for ...
0
votes
0answers
16 views
Add tag to each image in a folder recursively
Is it possible to add a tag (that is the name of the folder) to each image in a folder recursively?
For example for following folder structure
Europe
|-Germany
|-Austria
I want to add tags Europe and ...
0
votes
0answers
18 views
Using montage to combine two pictures into single
I have two images IMG01.png and IMG02.png. I want to make a collage of these two images and get a single image Out.png. I don't want the quality of the images to be diminished.
How can I achieve this ...
0
votes
0answers
47 views
Best way to crop a RAW image file to TIFF preserving quality
I am a nature photographer, and it is usual that I take a picture with the subject in a small portion of the picture. Now I am doing astrophotography and face the same situation, with a small Saturn ...
2
votes
0answers
113 views
Feh vertical flip all images in slideshow
I have a large dataset of images in a directory that I would like to view. feh -f works perfectly to quickly step through the images. The problem is that all the images are flipped upside down. While ...
1
vote
2answers
53 views
Delete RAW image files that have no JPG counterpart
I want to delete every RAW image file (Photo image) that has no JPG counterpart.
Here's my current workflow:
My camera creates a RAW and a JPG for every photo I take.
I review the JPG files, and ...
0
votes
2answers
207 views
How to remove some pixels with respect to bottom in multiple images. [crop]
I have many images and each image has little watermark at the bottom, I want to remove that by cropping the images in bulk. Here is an image that shows what I want to do. How to do that in bulk using ...
0
votes
0answers
31 views
how could I sort hundreds of images by their content
I m looking for a solution to sort hundreds of images by their content;
of course, I will script around the solution to automate that work.
I know I can use metadata to separate draws and photos. But ...
0
votes
1answer
53 views
sort imput files in pdfbeads
I'm trying to make a pdf from hundreds of .tif images with pdfbeads. I can't make the program use the images in the correct numerical order. For example, during the process I see:
Prepared data for ...
0
votes
1answer
102 views
Problem extracting images with pdfimages
I would like to extract the images from the following pdf:
https://doku.pub/documents/benveniste-e-vocabulario-de-las-intituciones-as-3nl271x3v808
I run pdfimages -j file.pdf image
but I get strange ...
0
votes
1answer
42 views
Extracting All Picture Files From a Bunch of Folders [duplicate]
So basically I have an external hard drive with a bunch of old pictures on it my goal is to get them all to google photos. Problem is since these photos where managed with the mac photo software there ...
0
votes
2answers
222 views
Unable to extract images from a pdf with pdfimages
I'm traying to extract images from a PDF with pdfimages. The last time I used it I had no problems, but now I can't do the job.
When I run
pdfimages archive.pdf .
and I try ls in the folder where ...
2
votes
3answers
690 views
How to view a big svg file?
I have a big SVG file (~200MB): it's a graph with very precise data. However when gzipped into graph.svgz its size is around 3 MB, so you see it's very repetitive data.
When I attempt to open it, ...
3
votes
3answers
445 views
What is a bd build of Debian?
When I look at the alpha releases of Bullseye (non-free) I see a lot of BD images. What are these?
1
vote
1answer
52 views
Imagemagick Text Placement on Images with Varying Dimensions
I want to be able to overlay text in the margin of images with varying dimensions. Images of varying dimensions will have a black margin that is 30% the width of the image.
I have the following bash ...
1
vote
1answer
58 views
Why this black box and how to remove it
Generated images from a file
cat file.txt | while read line; do
for word in $line; do
convert -background none -pointsize 72 \
-fill orange label:"\ $word" \
...
0
votes
1answer
634 views
Extract file from ext4 image and copy file to device
Here I read:
$ cd /media/mmcblk1p2
$ tar xf /media/sda1/mfg_images/st-image-bootfs-openstlinux-weston-stm32mp1-som.tar.xz
but as source file I don't have a compressed file, instead I have an ext4 ...
0
votes
2answers
46 views
How to resize images on sequential functions?
I am trying to:
change the format of my images,
then resize their height and width of 40%
then optimize their quality to 35% max of the source and the total size of the image to 35% of the origin.
...
1
vote
2answers
217 views
Image steganography!
I was solving a steganography challenge - When I typed
file image.jpg
into the terminal, the result was
JPEG image data, JFIF standard 1.00, aspect ratio, density 1x1, segment length 16, comment: "...
