Something related to visual data files

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2answers
3k views

How to put a background image on GRUB?

I found some images on the internet about some GRUBs with a background image, I would like to do something like that too, but how? I have GRUB2.
4
votes
2answers
327 views

Converting and rescaling a lot of png images to jpeg

I have a lot of .png images in a folder. Is there a command (or software) that can convert all them to .jpg and (simultaneously) rescale the created .jpg files to 25% of their original size?
0
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0answers
370 views

Images (e.g. with Clonezilla) of Windows and Linux on a UEFI computer

I use Clonezilla with success for many years to make images from partitions that host Windows 7 or smaller and Ubuntu and other operating systems. Making images and restore them was easy for me. But ...
11
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7answers
2k views

Options to show images when on the console

When I am on the console (the tty, the virtual terminal, which you reach with Ctrl+Alt+F1-6, not a terminal emulator), what options do I have to view images, tiff, whatever that's not text?
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2answers
40 views

Create a Linux image

Good Afternoon Everyone! First off I am a Linux nooby, been doing windows administration for several years but recently our company has decided to start deploying RHEL servers. Anyways I have spent ...
0
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0answers
81 views

Download Hotlinked Images from Forum from Command Line

From the command line, is it possible to download linked images posted on forums? I want to enter the forum thread url and maybe stipulate which image hosts to detect. Also some threads will have ...
0
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0answers
35 views

How to Transport a Mono Development Environement using Docker

I am developing a Mono Application and i want to run it on several Linux Machines . I have to set up Mono Development Environment on each machine and it can take a lot of time. I read that it is ...
3
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0answers
172 views

Replace a image in a PDF using command line

I need to process some PDF files. The task consists in exchange a given image file by another. My first problem is how to replace a PDF image from command line in a batch process. Next I'll try to ...
2
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1answer
758 views

For Loop for Google Image Downloading Bash Script

I have a bash script which downloads images from Google Images. This is the command I use: bash getimages.sh 3 rocky%20mountains That command will download the 3rd picture in Google Images. To ...
0
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1answer
71 views

Hard Disk Clone Image Size

I've created an image backup for HDDA (partition) from HostA and saved on HostB ssh -c blowfish user@ip-or-hostname "dd if=/dev/sda1 | gzip -1 -" | dd of=sda1.gz conv=sync,noerror The HDD size is ...
7
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2answers
2k views

How to draw a single pixel in a terminal?

Until now I used characters to draw images, shapes etc in a terminal. Is it possible to draw a single pixel? Let's say: foo 1 1 red This will draw a red pixel at the coordinate (1, 1). Is there ...
4
votes
2answers
467 views

Convert all non-JPG images to JPGs

What command can I use to convert all images in a folder which are not JPGs (PNG and BMP primarily) to JPG? I'd also like the conversion quality to be 100%. And I'd like the converted images to ...
0
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1answer
169 views

Resizing/Processing only images in folder larger than specified height? [duplicate]

I have a folder with JPG images, some of which have a height dimension larger than 1900 pixels. I need a command that will ignore the images with a height dimension lower than 1900 pixels, while ...
1
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2answers
341 views

shell script to get collect pixel size of image

I'm trying to create shell script that returns the largest picture in total dimensions pixel size? For example: I have many directory over 7000+, each directory have images: dir_1/ picture_1.png = ...
2
votes
2answers
891 views

How to batch resize all images in a folder (including subfolders)?

I have huge, 12GB, gallery on the server, full of images in various subfolders. Those files are too big and not used in full resolution. I need to resize all the images down to 820px wide (keeping ...
0
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3answers
55 views

How can you determine image size from a command line?

I want to keep a collection of images (which arrive via RSS) on a shared network drive (for anyone to have SFW desktop backgrounds). However, some of the images that arrive are absurdly small (85x75, ...
8
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2answers
632 views

Are there any comic book authoring programs?

Is there any software designed to assist with creating comic books? The basic features needed are pre-drawn frames around the panels and the ability to easily drag and drop characters into the scene, ...
0
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1answer
151 views

Imagemagick mogrify with shadow geometry

How can I specify the size of a shadow with imagemagick? This command works: montage foo.jpg bar.jpg foobar.jpg -background lightgray -geometry 1031x1642+57+57 -shadow -monitor -tile 3x1 out.png ...
0
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1answer
133 views

Linux Bash resize image half the size (linear)

I'm trying to come up with a way of resizing images in a directory by half (longways). I have already used: mogrify -resize 50% * It does resize all the image in the file but width and length ...
2
votes
2answers
1k views

Script to determine if files are Images

I would like to create a shell script that will check to make sure all files in a directory are image files. We recently had an issue where a hacker was able to generate a file in a directory and ...
3
votes
2answers
419 views

Terminal with image support

Is it possible to have sort of a hybrid terminal that can display isolated images in one or more designated panes? As I understand it, modern terms are graphical emulations anyway, so obviously they ...
0
votes
2answers
2k views

How to extract images from video file?

I mean, how to generate images files from a video like screenshots.
0
votes
2answers
404 views

Downloading images from csv file to a folder based on its id

I have a csv-file that looks like this (short example, there are actually about 20 images per id). ...
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0answers
51 views

save transparent web images on linux mint

I have just installed Linux Mint (this is my first day using). I'm using Google chrome and search Google images for a transparent png, for example an icon with no background. I am right click saving ...
3
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1answer
147 views

Digital Photograph Forensics Software for Linux

Is there any forensics software that can handle digital Photograph for linux ? An opensource software is preferable
2
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1answer
112 views

How to extract comment from ppm file?

I have ppm file X.ppm with comment : xxd X.ppm|head -10 0000000: 5036 0a23 206d 6967 6874 796d 616e 6465 P6.# mightymande 0000010: 6c20 2d32 2e38 3034 3132 3232 3037 3833 l -2.80412220783 0000020: ...
2
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1answer
142 views

Replacing a partition within a .img with another one

I have 2 .img files (embedded Linux images, each with 2 partitions- a boot partition and a rootfs). I need to replace the rootfs partition in one with the other's. How can I do this In the .imgs ...
1
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0answers
43 views

OCR for getting text from an image. Error management

I want to use an OCR program to obtain some text in an image. The text is not black on white so I don't know if it will be possible. wget -q -O image ...
9
votes
1answer
2k views

Searching for a command line tagging tool for mp3 and ogg that supports pictures

I am searching a command-line tagging tool that supports ogg- and mp3-tagging and allows to add a picture to the tags. Currently I use lltag but that does not support pictures. dagger is the tool I ...
0
votes
1answer
550 views

Clonezilla fails while cloning/imaging the entire HDD

I am using Clonezilla Live DVD to image my entire HDD consisting of several partitions. An overview of the partitions can be seen in the following excerpt from the log file of Clonezilla: Machine: ...
5
votes
2answers
1k views

displaying page 2 etc of multipage tiff

I have a multi-page TIFF file produced from scanning. When I open the file (Image Viewer), Next goes to the Next image file in the folder not the next image in the file. Is there a hidden option to ...
5
votes
1answer
3k views

Setting image for i3-lock: “Could not load image x: out of memory”

I use this command for locking screen: i3lock -i /home/freyja/pics/owl.jpg The screen is locked, but there is no picture (only white background). When called from console the command says: Could ...
4
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2answers
3k views

How to split an image vertically using the comand line?

So, say I have a large 800x5000 image, how would I split that into 5 separate images with dimensions 800x1000 using the command line?
5
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1answer
373 views

Ways to convert and combine image files into a pdf file?

I have about 190 image files (png and jpg) in a directory. For more information, each image has 2500 x 3072 pixels, and about 500KB. I use the command convert from ImageMagik to convert and combine ...
2
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1answer
89 views

Sorting image files based on whether the content is picture or graphics: updating an older solution?

Someone wanted to sort files in a directory according to whether the files are pictures(camera) vs. design graphics. On Stackoverflow, there is an older solution/proof-of-concept involving the ...
0
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1answer
89 views

running script with -o argument pointing to mount point of sd-card

I was trying to install Angstrom Linux on Colibri T_30 board---but I am stuck at one point where it specifies that run update.sh script with optional -o argument pointing to mount point of ...
1
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1answer
137 views

How to add searchable text to an image?

I need to add text to an image (original image can be jpg, gif, or bmp) file, how can I do it? I added the texts with shutter to an jpg and converted to pdf. Tesseract has not been able to turn the ...
2
votes
1answer
2k views

Capture raw image from V4L (webcam) device

I'm using a Raspberry pi to monitor a self-service fridge. When the door opens, a shell script is being executed to capture pictures until the door closes again. The problem, however, is the speed of ...
8
votes
1answer
906 views

Combine multiple PDF files into one (arranged in a matrix)

Having a set of PDF files, lets say: in-01.pdf, in-02.pdf, in-03.pdf, ... I would like to combine all of them into a single one, forming an M x N matrix. The command montage allows for doing so (M ...
0
votes
0answers
293 views

Get color depth of BMP

I have a .bmp file, and I want to check the color depth. How do I do this? I have tried both file and convert, but they give different outputs, so I don't know which is right.
19
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2answers
10k views

How to Extract Album Cover Image from MP3 file?

I have a bunch of MP3 files that have their album art included within the file itself. I am now looking for a way to extract them to store them separably, at best from command line. Is there a way to ...
0
votes
1answer
429 views

How can I make a montage which seamlessly tiles the same one image file?

I would like to preview how one single image (768x1024 px .tiff) would look as a pattern by generating an output file where it is tiled in such and such a way (4x4, 5x5, etc.). The image should be ...
2
votes
1answer
225 views

Find Largest Image Dimensions in Folder

I need a command which will allow me to search a folder of images for the images with the biggest width and the biggest height. As of now I'm using XNViewMP to find this info, but I'd like a faster ...
0
votes
2answers
320 views

How to copy text from an image in a pdf file?

I can view a pdf image with text using the evince document viewer, however I cannot select the text in the image to copy and paste. How do I copy text from an image in a pdf file?
1
vote
1answer
389 views

Merging pairs of TIFF files in a directory

For example, say a given directory has 1000 TIFF files named sample1.TIFF, sample2.TIFF, etc., all the way to sample1000.TIFF. I want to merge each pair of files: sample1.TIFF and sample2.TIFF are ...
0
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3answers
478 views

Software for image files analysis

Is there some program to analyze files, especially image files, for Linux, with functionality similar to hex editors, which will show what bytes changed after I paint some area of the image and etc.
2
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1answer
130 views

feh: maintain zoom setting

When browsing through the images in a directory with feh, the magnification can be changed by use of the up/down arrow keys, but the setting is lost as soon as the next image in the series is loaded. ...
2
votes
2answers
1k views

TIFFReadDirectory warning: unknown field

When trying to view tif image files in feh, the following pair of error messages is printed to stderr: TIFFReadDirectory: Warning, Unknown field with tag 37553 (0x92b1) encountered. ...
2
votes
1answer
765 views

mounting/converting v2i image in linux

Is it possible to mount a v2i image in linux? Is there any mount.v2i program? Or is there any convertion tool to convert v2i image to something else like iso ? How can i Mount/Convert a v2i image? ...
4
votes
4answers
183 views

easy-to-use image-editing FLOSS

I'm looking for recommendations for something easy to use that will allow me to edit my images. I fiddled with Inkspace and GIMP and found them not so intuitive (I don't want to have to read a manual ...