Something related to visual data files

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4
votes
2answers
1k views

Capturing Screenshot of terminal application via shell script?

Problem Run iftop for 5 seconds, capture the screenshot and save it to a file. iftop is a beautiful program for visualizing network traffic, but it doesn't have a batch mode where I can run it for ...
1
vote
2answers
612 views

Change Linux boot logo

I want to change the penguin logo that appears on boot. I looked into it and found this command: pngtopnm nelogo.png | ppmquant -fs223| pnmtoplainpnm > logo_linux_clut224.ppm But when I tried it ...
0
votes
1answer
216 views

Looking for simple photo organizing software for Linux

I am looking for a simple Linux software to organize photos. What exactly I want to do with this application is the following: I want to view all images in a given folder and just tag/star/mark some ...
1
vote
1answer
78 views

Native Linux program to comment pictures

I am searching for a native Linux program to comment (tag) pictures. Think of a square on someone's face with text somewhere. I don't want to change the picture (as would be the case with any vector ...
3
votes
2answers
445 views

Program for taking snap-shots of movie?

Are there any programs that would let me specify parts of a video-file (avi, mpeg, mp4, ...) and take "snap-shots" every so-and-so second/minute, and store it as a series of image-files (eg. jpeg)? ...
3
votes
1answer
863 views

Viewing large image on Linux

I need to view a large (50000x40000 px) png image on Linux. Unfortunately most tools (eog, convert etc.) either crashes or fail with note about too little memory. Is there a way to view this image (I ...
1
vote
1answer
669 views

No make target “uImage” with Buildroot 2013.05

After enabling Linux Kernel option and setting the Kernel binary format to uImage, I always get the following error: make[1]: * No rule to make target `uImage'. Stop. My buildroot configuration is ...
0
votes
1answer
3k views

Imagemagick used to generate PPM's in Linux, PPM's are unreadable

I need to generate PPM's as raw data sources for one program. I have a bunch of png's as Input, which I'm going to convert ppm's. When I try a tool like mogrify it generates files, but these are ...
1
vote
1answer
52 views

Detecting images containing only black pixels

I am looking for a method for detecting if an image contains only black pixels. When I say method I mean an existing command line tool. I could write up something myself but I'm sure something ...
3
votes
2answers
146 views

Search by file dimension [duplicate]

I have many photos. How to search files by its dimensions? For example, i want to search images with exact dimensions 500 x 500 pixels. Is there any utility for this task?
5
votes
2answers
162 views

Sync Palm Centro pictures on Linux

I have a Palm Centro, and I'd like to copy the pictures to my computer. However, I'm using Ubuntu, and I don't want to switch to Windows or use Palm's horrible sync application (through Wine.) Is ...
0
votes
2answers
1k views

How to convert multiple XCF files to PNG?

I have a folder with a lot of xcf files which I want all to be converted to png files, at best via a one-liner from bash. How can I achieve such a task?
3
votes
2answers
194 views

Delete duplicate images. Need Software for computing average color of an image

I want to delete duplicates in a massive bunch of images. Well as I have dups of the same picture in a different resolution I will make the deletion myself. BUT I want to do this in linear time. So I ...
4
votes
4answers
2k views

How to visualize directory tree structures?

I know I can use tree to show the nested content of a directory. Alas, its output is hardly beautiful as I want to include it in a documentation. So eye-candy is a requirement. So I was wondering if ...
5
votes
1answer
472 views

Console ScreenSaver without X11

I'm trying to setup a very slimmed down console only Debian system to act as a simple slideshow photo display. I know that it is possible to show graphics (I guess using the framebuffer) in the ...
1
vote
1answer
3k views

How to rotate an image in gs

How can I rotate an image with ghostscript? I am visualizing eps to screen. I am using the command: gs image.eps
2
votes
1answer
478 views

How to find all images containing any text?

I got a lot of images, and I need to find, which of them contain any text in English (to delete them). Is it possible to do it automatically?
3
votes
1answer
230 views

Icon themes, when is svg format helpful?

I found that arch provides both oxygen-icons and oxygen-icons-svg, what's the necessity of svg format? Is there something that a PNG image "can't do", maybe performance issue? Not sure about it.
1
vote
1answer
78 views

creating gif animations

I read some where it was possible to create a gif by adding frames to it in a browser. Does that mean on the server you can add frames to it by using cat? Are there other file types that are so ...
11
votes
1answer
974 views

How to generate a lot of (blank) images files?

For a test, I need to quickly create 1700 jpg-images (even blank) in a defined size 1000x706. I wonder if we could do this with a shell script or a program (like ImageMagick). I wish they called ...
2
votes
1answer
55 views

Printing maps/cartoons/text saved as a picture/etc

What is the best way to print maps/cartoons/text saved as a picture/etc., so pictures that are not photos? The standard routines seem to blur and soften the printed picture, which is probably ...
12
votes
5answers
1k views

Sort images by aspect ratio

I am trying to select a few art images to fit some new frames. I would like to be able to sort these images by proximity to a particular aspect ratio and then view them in decreasing order of ...
0
votes
0answers
160 views

Gigapixel Panorama not loading after converted with imagemagick

I made a 3GB tif panorama, but as 3GB is a too big size to open in a computer with a 3Gb RAM, i converted it to JPG convert input.tif output.jpg The result was a 15Mb(?!?) JPG, which i am unable ...
2
votes
1answer
306 views

xv-like image viewer that lets me annotate/mark images?

When I'm viewing many images w/ xv (sometimes in "visual schnauzer" mode), I sometimes want to "bookmark" or annotate a given image. I don't think xv can do this, but is there another xv-like image ...
1
vote
1answer
3k views

How to download all images from a website (not webpage) using the terminal?

I want a command that I type a URL, for example photos.tumblr.com, and it download all photos on this site in a folder, but not only images of the site's homepage. This command need to download the ...
1
vote
1answer
112 views

Displaying just an image instead of text

Is it possible to compile the linux kernel so that when it is booting up, instead of the boot up text to display and image and ONLY an image (like osx)?
2
votes
1answer
655 views

How to get CR2 (Canon raw) support for XLoadImage?

I've been looking for a light-weight image viewer to replace gThumb now that I'm not running Gnome anymore, and found XLoadImage. How can I add support for Canon's raw CR2 format? anna@anna:~ $ ...
2
votes
1answer
259 views

How to utilize extended attributes for image preview?

Is there any file browsers for Linux that cache image previews, just like Windows Explorer cache them to a file named Thumbs.db? As in the latest ext3/4 filesystems, an inode can hold extended ...
2
votes
1answer
1k views

Shell script filtering through jpg files attributes

I'm trying to find a way to filter through thousands of jpg files, and keep only the files with a certain attribute (such as the camera brand with which the picture was captured). How can I do so?
0
votes
0answers
97 views

all type of image files stop loading

I am working on my newly installed wine. when i tried to run a game , called "road rash" through wine, my screen resolution got change and after few seconds game stop working. Then my most of image ...
2
votes
2answers
854 views

Image viewer for multiple images

Is there any image viewer (like eog) for linux which can do the following: Show 2 (3 or 4) images of a directory with maximal possible sizes on one page at the same time. When I click "next", it ...
4
votes
1answer
729 views

Resize a very tiny xcf image without blurring or dithering it

I have some drawings I made with an Intuos tablet. All of these drawings are 25x35 or so. The color of each pixel was very carefully selected. They're kind of like 'miniatures.' I need to resize ...
1
vote
0answers
279 views

Can the background of the log-in screen of linux mint 11 change? [duplicate]

Possible Duplicate: How do I configure the GNOME gdm login screen? How can I change the background picture of the log in screen of linux mint katya?
4
votes
1answer
95 views

IANA image format string from binary stream

How can I get the official IANA Image Media Type (if any) of a binary stream? I'd like to avoid trusting to file extensions and vague guesses when handling images. Preferably some command using common ...
6
votes
2answers
855 views

Irfanview alternative

I'm looking for some very simple image viewer with the following functionality: fast start next/previous navigation (in directory) full-screen mode reasonable format support keyboard controllable ...
3
votes
1answer
607 views

Does truecrypt leave behind temporary files

I've I have some scans of sensitive documents in image format such as jpg png etc. When I open up the folder containing them which is in a truecrypt file, will nautilus create a temporary version of ...