Questions tagged [images]
Something related to visual data files
276
questions
1
vote
3answers
51 views
How can I reliably determine if a file is an image file? [duplicate]
Currently I'm using the following command:
file image.jpg | cut -d " " -f 2
So far so good. It works on a file without an image extension too. So, I was wondering if there's another way to do this? ...
1
vote
1answer
30 views
Shell: Output text to PNG while preserving color
I like to be able to save the output of a shell command as a PNG image without losing the formatting. Kind of like taking a screenshot of the output.
some-command-with-color | text-to-png a.png
I ...
0
votes
0answers
28 views
Using MFGtool(UUU) on IMX6DL in Linux
I am pretty new to this area so please bear with me.
I have an IMX6DL board and I want to flash a Linux image through USB.
Originally, I flash my image using a windows version of mfgtool. This takes ...
0
votes
0answers
43 views
Find and delete photos that are smaller than a certain dimension
I would like to loop through some directories with pictures and copy (and after reviewing remove) them to another directory based on image dimensions, let's say smaller than 800x600.
I've tried a ...
0
votes
0answers
39 views
How to print images two-sided using `lpr`?
I have several photos, which I wish to print on a single piece of paper. I have already tried:
Using convert to combine all images per side. However, now I need to print them two-sided.
Using ...
0
votes
1answer
84 views
Why are my PNGs executable?
I noticed that most of my image files are green when the ls command is used but some of them look purple. Apparently .png and .jpg files are supposed to look Magenta while executable files are Green.
...
-1
votes
1answer
42 views
Ubuntu Core as Hyper-V virtual machine image
As Ubuntu Core can be installed on an Intel® NUC, is there any possbility to make it run as Hyper-V virtual machine to play around with it?
0
votes
0answers
44 views
bash: opening multiple files in for loop
I want to open all the images in a small directory containing a small number of arbitrary, each image in its own window that has rotate and zoom controls.
I have tried eog,eom,imagemagick,gimp,...
0
votes
1answer
20 views
Smoother access to files on FTP Server
I use Nautilus on Ubuntu 18.04.3 to access ftp server. But if I select any files, it opens in the browser first, then gets downloaded in the download folder and then I have to open that downloaded ...
0
votes
1answer
35 views
Intuitive image sorting
I have photo collections (consisting of several photo sets each) where all the file names have been randomised and where files have been modified in random order so that sorting them by file name or ...
0
votes
0answers
11 views
find images with specific dimesions and copy them all into another directory
I already did various searches on google, I find this link with a similar question but I fail to integrate this:
find . -iname "*.jpg" -type f -exec identify -format '%w %h %i' '{}' \; | awk '$1<...
2
votes
1answer
38 views
Showing Image Metadata with Less Pipe?
I'm watching a video about less pipe and the maker is able to open image files and get back a bunch of meta-data:
My system seems to have less pipe and I can view PDFs and compressed files with less, ...
0
votes
0answers
12 views
imagemagic: split images vertically based on a aspect ratio
I am trying to split the image based on the aspect ratio of 903:600
I have am image of size: 909 (W) x 5481 (H). I want to split the image vertically based on aspect ration of 903:600
I am trying:
$...
0
votes
0answers
41 views
How to remove a water mark at the bottom right of a png with Imagick
Ubuntu 16.04
PHP 7.2
We use Imagick to place a transparent png image of a vehicle over a jpg background. The watermark from the company we purchase the images from appears at the bottom right of ...
-2
votes
1answer
46 views
Linux restore deleted images (png/gif/jpg/jpeg)
I inadvertently deleted images from my linux filesystem today with classic command rm -f.
All deleted images was in one single folder. It was no all whole images in this folder, it was only very ...
2
votes
1answer
51 views
Consolidate several GraphicsMagick (ImageMagick) commands into one
There are many times I get single page PDFs that I want to convert to JPEGs and crop the excess whitespace off of.
Here is the current set of commands I have which accomplishes what I want:
gm ...
0
votes
1answer
65 views
How can I modify the contents of an image with a bash script?
Say I want to overwrite the top half of a file "image.png" with white pixels. Can I do that with a bash script?
0
votes
1answer
38 views
What is an extremely lightweight way to detect change in an image?
I'm trying to find the most lightweight method to detect "adequate" change in an image. I realize that's a terrible constraint, so for the sake of this question I'll break it into two different ...
0
votes
1answer
21 views
Green tint to wallpaper - Linux Mint
I'm trying to set a new wallpaper image in Linux Mint 19 and the image is given a strong green hue rather than appearing as it actually is. See attached image, very self-explanatory. I'm looking for ...
1
vote
0answers
41 views
Connect image files in two folders with python regular expression
I have two folders with the names images and labels like th following
The following code creates a function that links files in images folder with their corresponding files in labels by using _P ...
2
votes
2answers
283 views
Is there a Linux image viewer that can browse images by a specific order?
I've accumulated hundreds of pictures and I'd like to sort them. For that purpose, more often than not, I check a list of them in Thunar, sorted by size, and then watch them with an image viewer.
The ...
0
votes
0answers
24 views
Transform a video from mov format to aiv format
In the linux environment, are there any tools that can transform a video from mov format to aiv format?
1
vote
2answers
53 views
Creating a hardware independant image possible?
I swapped from Windows Community to Linux Community and am struggling a bit with images.
You can on Windows install a system, then strip it from all saved hardware details and create an image.
This ...
2
votes
0answers
274 views
Copy image to clipboard with xclip doesn't work properly
So, I tried the following
xclip -se c -t image/png -i imagefile.jpg
This does indeed copy the image into clipboard, and I can paste it into gimp, or paste it into a new image file as in the ...
0
votes
0answers
17 views
After imaging Linux and restore are password broken but actually not
I have a weird issue on Centos 7.5-18.04
I have a freshly installed system with accounts added for ssh.
The image is done with clonezilla.
Restoring the image works fine but the passwords of the ssh ...
0
votes
0answers
28 views
Deleting images all completely black images and files with the same name
I'm working on preprocessing images for a semantic segmentation task and have two folders with identically named images (one of the images in colour, and the other that have been colour coded for the ...
1
vote
0answers
38 views
What does this 'exif:GPSInfo: 8253' mean in ImageMagick identify command?
Totally love the tool and documentation and currently trying to use EXIF data to geotag my own pictures. Just wondering what this exactly means:
exif:GPSInfo: 8253
It pops up in the exif section ...
0
votes
1answer
69 views
Expanding FEH capabilities to preview RAW files
I would like to preview RAW files in FEH. I now I can do the following
nufraw-batch --embedded-image DSC_0151.NEF --output=- | feh -
which opens the image in feh, but only works on one image at a ...
0
votes
0answers
27 views
Store photo thumbnails on same drive
I'm using external drives and network storages for managing photos across multiple machines. Previewing them in the file browser (e.g. Thunar) is crucial for that. Furthermore, many of them are RAW ...
0
votes
0answers
134 views
Why Can't BPG images be converted to BPG animation?
I can convert JPG and PNG images to BPG (Better Portable Graphics) animation, using the following command:
bpgenc -a input_%03d.jpg -o out.bpg
According to the BPG documentation it is not possible ...
1
vote
1answer
630 views
What is the command-line name of Gnome's image viewer application?
By default, images are opened from the Gnome file browser by an application which seems to be called "Image Viewer". I would like to use this application from the command line, but I don't know its ...
0
votes
1answer
32 views
Show bootsplash image without rebooting
I have slackware 14.2 installed on a spare computer without any GUI. My child loves to see the penguin bootsplash when the computer restarts and the kernel loads. Is there anyway to show them without ...
1
vote
0answers
44 views
CLI Tool to extract images from video slideshow
I'm looking for a tool that can take a video (mp4) that is composed of about 50 still images and extract all of the images out of that video. Is there anything like this that exists?
2
votes
1answer
12k views
How to open an .png type image in Linux terminal?
I just can't find the command to display a *.png image! I tried xdg-open command but it failed:
[student@seqpapl1 Images]$ xdg-open adapter_content.png
xdg-open: no method available for opening '...
0
votes
2answers
91 views
want to Rename Images In Bulk in Linux
I have more than 1 million images with name of
love-images-250x120.jpg
7788855441122-love-images-250x120.jpg
us-wallpapers33344.jpg
77441144desktop-wallpapers.jpg
desktop-wallpapers1144141411.jpg
I ...
1
vote
2answers
459 views
Can wget download reveal.js image assets?
In using the wget command below,
$ wget \
--recursive \
--no-clobber \
--page-requisites \
--html-extension \
--convert-links \
--restrict-file-names=windows \
--...
0
votes
2answers
1k views
Sending mail with attachment(image) using sendmail in Linux(ksh)
I am trying to send a mail with below command. I am sending this command from sqr to the command line, which is working fine. $FilePath_mail have To,From and other information along with mail body ...
0
votes
0answers
37 views
Display a bash script and all its functions in a visual way
Is there a tool (general or bash / shell specific) that can display a code into in clean visual representation of the functions.
Like a visual algorithm with bubbles with the name of the functions ...
1
vote
1answer
220 views
creating image tag for my pictures
I have 3 computers: One runs windows 10, another one runs Debian and the last one act like an NAS. I store my captured pictures to my NAS. What I would like to do more is to add a tag to each photo. I ...
5
votes
1answer
399 views
XDoTool Command to Wait For Process to End
I use the program VisiPics to delete dupicate pictures. The processing time for deletion varies dependent on the number of pictures and duplicates. I created an Xdotool command to carry out certain ...
0
votes
2answers
2k views
No thumbnails on Linux Mint?
I have a VeraCrypt volume mounted from an external hard drive and the thumbnails for >90% of the files don't seem to load. Only the first few load then the rest show a clock icon. When I open the file,...
1
vote
1answer
762 views
How to download all images with the full resolution (i.e. svg) from a single wikipedia article [duplicate]
I was asking myself how to download
all (.svg) images
from a single wikipedia article
without doing it manually for each single image. Wikipedia is offering images in different resolutions and ...
0
votes
1answer
199 views
[Error while Running the Gstreamer Example on Development Kit]; “File descriptor in bad state”
I'm running a basic application on Orange-Pi DVK with Gstreamer-1.4.0. While running the application it throws this error:
AL lib: (WW) alc_initconfig: Failed to initialize backend "pulse"
AL lib: (...
2
votes
0answers
219 views
Create small high-quality GIF/APNG from a bunch of PNGs
I have 50 PNGs (like those ones here) and I would like to create a GIF (or APNG) animation from it that approximately retains the quality and is small.
What I'm doing so far is to rescale and throw ...
2
votes
2answers
1k views
Automatically restoring verticality of the edges of a scanned photo
I want to scan a collection of rectangular photos, both color and black-and-white.
I am generally quite happy with the scanning, but I run into some
practical problems, due to the fact that photos are ...
2
votes
1answer
790 views
wget doesn't download images of a website?
I'm trying to download threads of a web forum which contains many images with wget. These images are hosted in a separate domain, so I used the -H flag to allow downloading them. The complete wget ...
1
vote
1answer
65 views
POSTing large files into Apache causes swap
The setting that I have is a compute with only 2Gb of free memory. When I upload large images (3.5 Gb) through the Horizon (which uses apache2) the image fills the cache and starts to swap.
I ...
0
votes
1answer
1k views
Create backup image of running Ubuntu?
On Windows there is software like Acronis True Image that can create full backup images of a currently running system. Is there any alternative on Ubuntu for doing that?
Requirements:
still ...
0
votes
1answer
261 views
How to add image to Linux prompt? [duplicate]
I was just watching a video and came across the below prompt
Seems like lightening image is at the first and some big arrow like structure to display the directory path. Do you know how to do this in ...
0
votes
1answer
32 views
Clonezilla - physical Server
I have a physical server (HP G9) with three 300GB hard disk drives installed in it. For some reasons, I need to change the physical server's body with HP G7.
I want to use Clonezilla to make an image ...
