Questions tagged [images]
Something related to visual data files
253
questions
0
votes
0answers
22 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
32 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
21 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
15 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
119 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 ...
0
votes
0answers
19 views
Convert multi pages PDF to multi images with Inkscape command line
I would like to convert a PDF of X pages into X images with Inkscape command line.
I know how to do it with convert :
convert myfile.pdf -density 300 -alpha off export/myfile-%02d
The result will ...
0
votes
1answer
223 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
25 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
30 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?
0
votes
2answers
3k 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
84 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
186 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
712 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
30 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
63 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
216 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
1answer
782 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
380 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
0answers
11 views
tool like pnmcut but optimized for static files on disk?
Here's the scenario. I have a ginormous image (~ 30,000 pixels across, so my ginormous might be small to you). I want to take a lot of small cut outs from it. I have code right now that works with ...
0
votes
1answer
99 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
157 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 ...
1
vote
1answer
511 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
498 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
48 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
230 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
100 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
29 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 ...
1
vote
2answers
540 views
How can I execute scripts based on changes that are happening on a specific folder?
For changing a specific image's size I use the following command:
mogrify -geometry x50 my_image.png
Every time that I take a new print screen, an image is saved on my ~/Pictures folder. I'd like to ...
0
votes
1answer
100 views
how to find a picture in linux by color
Is there a code or program that allows a user to search for images with a specific color in the photo
I've recently ran a image recovery tool on my Linux distribution and there's over 40,000 Pictures ...
0
votes
1answer
246 views
why does mediainfo not give metadata of an image like exiftool does?
I have been scratching my head on this for quite some time now. Let's see what mediainfo says on an image -
$ mediainfo ZQs3vcsHiGY.jpg
General
Complete name : ZQs3vcsHiGY....
3
votes
1answer
105 views
How to merge 2 images under linux console (via sh script)
I have jpeg image on the server from IP camera. This is every 1-second snapshot. Because of privacy, I need to cover the closest balcony.
I was prepared a cover png image. Is it possible to make a ...
0
votes
2answers
85 views
Lossless crop JPEG to whole 8x8 blocks
Since JPEG images are compressed in chunks of 8x8 pixels, if a JPEG has a width or height that is not divisible by 8, is it technically possible to remove the 1-7 pixels of the outer edge losslessly?
...
0
votes
2answers
710 views
How to Find and delete File Older than 3 years without scaning on modified date?
I have 1 folder with image .jpg file, and I'm sure that folder image older than 5 years.
Now I must delete image older than 3 year.
I know i can find it with this
find /path/to/files* -mtime +1095 ...
1
vote
1answer
35 views
How to get convert to not interpolate pixels?
I am using ImageMagick's convert to convert a bunch of .fits files (an image format used in astronomy) to an animated .gif. My astronomical images are pretty low resolution (150 x 300 pixels) but ...
0
votes
0answers
20 views
Supply dimensions to convert -crop from a list of dims
I have several hundred images I want to crop, unfortunately they are all of different sizes. I have a file that contains the correct cropping dimensions for each image called crop_dim. I want to ...
0
votes
0answers
32 views
Gimp Plugin to batch-export several different color shades
I hope someone can give me some info on whether or not a plugin exists for Gimp which will automatically do the following...
I've created an icon which I want to save as several different color ...
4
votes
2answers
9k views
How to get the DPI of an image file (PNG)
If I export an image with lets say 300 DPI and I read out its meta-info with any application that can do it (like file, exiftool, identify,mediainfo etc.), I always get a value showing Image-Width and ...
3
votes
2answers
10k views
Failed to connect to Mir: Failed to connect to server socket: No such file or directory
I have installed libgtk-3-dev and wrote and compiled this code successfully(without errors I mean):
#include <gtk/gtk.h>
void destroy(void) {
gtk_main_quit();
}
int main (int argc, char** ...
0
votes
1answer
208 views
How can I download and save all the images shown in a web page?
I want to download the images shown in a web page, for example https://www.wikiart.org/en/paintings-by-style/art-nouveau-modern, (the ones under the All Artworks tab), and store them in a folder (e.g. ...
2
votes
3answers
138 views
Paint-like graphical editor for Debian?
I'm looking for simple graphical editor for Debian to make pixel art. It has to have pixel grid, be able to draw simple shapes and right-click ideally should apply secondary color (unlike gimp, which ...
0
votes
1answer
213 views
How to force “sips” to adopt white as 0 when creating a 1-bit black and white TIFF image?
sips is a command-line tool to process images on Mac OS X and BSD Unix. sips stands for Scriptable Image Processing System.
I have a 1-bit black and white uncompressed TIFF image. The following ...
0
votes
1answer
42 views
Replace a certain color of pixels in a png with another png image
I have a png (items.png) which consists of mostly black pixels.
I want to replace all the black pixels with another image. (background.png)
The images are not the same size, items.png is smaller ...
0
votes
1answer
661 views
Batch rotate images by 180 degrees from the command-line [duplicate]
I'd like to rotate a series of images by 180 degrees clockwise from the command-line in a way I can write into a shell script to make things faster and more convenient. Is this possible?
1
vote
0answers
233 views
Use pdf file as wallpaper
I have a series of high quality images stored as pdf, one image per file. I want to use these images as a a series of rotating wallpapers. However, apparently Ubuntu (16.04) does not handle pdf files ...
2
votes
1answer
1k views
Imagemagick 'convert' text to image: ReadTEXTImage: Assertion
I'm trying the following command to convert text to an image:
$ echo test | convert text:- text_box_trimmed.png
convert: ../../coders/txt.c:198: ReadTEXTImage: Assertion `exception->signature == ...
2
votes
3answers
483 views
feh warns on text files
How do I get rid of these warnings from feh? I am trying to run a slideshow using images in a directory. Why is feh trying to open text files in that directory?
feh WARNING: images/temp.txt - No ...
1
vote
0answers
204 views
feh: concurrent slideshow and montage modes
I have sets of images that are related and that I would like to view in parallel (e.g., images A1, A2, A3, etc. constitute a sequence and images B1, B2, B3, etc. constitute a related sequence). I ...
0
votes
3answers
574 views
How to encode/decode JPG file to int sequence?
I want to convert my JPG files to int sequences and then reconvert to get the images again.
My script.sh is like this:
FILE=$(cat $2)
TOTAL=$(echo ${#FILE} - 1 | bc);
for j in $(seq 0 $TOTAL)
do
...
0
votes
1answer
161 views
Find gif/jpeg files with png extension and convert to png
First command find and list jpeg/gif files with png extension.
Second command convert a file to png.
find . -type f -name "*.png" | xargs -L 1 -I{} file -i {} | grep -v 'image/png; charset=binary$'
...
2
votes
0answers
400 views
Copy-pasting image files into LibreOffice Writer doesn’t work from the Xfce desktop
I want to copy-paste image files into LibreOffice Writer.
It works fine when copying the files within Thunar:
the image appears in the document.
It doesn’t work when copying the files from the Xfce ...
