Manipulating and processing static images, techniques and software for such task should use this tag.

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14 views

Install module in ImageMagick

I am using Xubuntu 14.04 . I installed ImageMagick using apt-get .I need to convert some PSD to PNG, but it gives me an error "no decode delegate” . So I guess I need to install PSD module , but how ? ...
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0answers
30 views

Regarding comparison of 2 image sequences

I have images in 2 different folders, 100 images in each of the 2 folders.The images belong to photographs taken from 2 different simulations.The 100 images are the 100 time steps of the 2 ...
2
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1answer
132 views

Resize and arrange pictures automatically on a canvas

I want to make a template for printing 9 cards of 63 x 88 mm on a DIN A4 paper I want to load the images so that they re-size themselves and I can print them directly. How can I do that?
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1answer
75 views

can't convert my image by imagemagick on ubuntu 14.04 LTS

How to easily resize images? I want to use that method on ubuntu 14.04 LTS to convert my image First install imagemagick sudo apt-get install imagemagick Open a terminal and run this command: ...
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2answers
92 views

Convert emf to PNG image using command line

Is there any command line tool available to convert emf to png images? I tried imagemagic, but it says decoder for emf not found
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0answers
37 views

How to find and report memory leak

When I use any graphics or diagram editing software like Gimp or Dia (and I have tried a couple more) I suddenly find the cache sucking up all my free RAM and cache which slows the system down to a ...
1
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1answer
30 views

How to find out what an action is called in gimp's Batch Image Manipulation?

I want to both zealous crop and remove image transparency for a bunch of files. I know how to start the batch job and I was able to find the action plug-in-zealouscrop for--duh--zeahlous crop. Yet I ...
12
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2answers
882 views

How to merge images in a single PDF file

I have some images which I want to merge. The meaning of merge is that, if I have 5 images, I want to put hem near each other is this way: I want to do that command line. For example the command ...
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2answers
2k views

PIL install in Ubuntu 14.04.1 LTS

Followed the steps How do I install python imaging library (PIL)? for pre-setup libraries to install PIL on Ubuntu 14.04. However when I run pip install PIL --allow-external PIL --allow-unverified PIL ...
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1answer
82 views

Make a grid of images, then rotate and crop it

So I have a few thousand thumbnails that I want to stitch together in a slightly tilted grid. I figure that's not going to be the most obvious thing in the world to understand so here's an artists ...
3
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1answer
77 views

Why does my wallpaper look slightly desaturated?

Here's a screenshot of the original image overlaid on top of the same image set as wallpaper. The original is far more saturated. Is this a bug or is there a setting I can tweak to get my wallpaper ...
0
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1answer
82 views

Which package should I choose for the convert command?

Typing convert on my system (14.04) produces: The program 'convert' can be found in the following packages: * imagemagick * graphicsmagick-imagemagick-compat Why are there 2 packages providing ...
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0answers
159 views

Octave error when trying to open image file

When I run this command: imread('filename.bmp') I got this error: error: imformats: support for Image IO was disabled when Octave was built I dont know what is wrong. Running in ubuntu 12.04, ...
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1answer
228 views

How do I install JavaTM Advanced Imaging API v1.1.3 on Ubuntu 14.04

I'm trying compare images as described on this Website but therefor I need to have JAI installed. I have downloaded the file jai-1_1_3-lib-linux-amd64.tar.gz from here. I've also looked into the ...
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0answers
47 views

using xawtv streamer to stream before snapshot

I am curious if anyone knows a way to stream prior to snapshot with the streamer package from xawtv. What I want is to take a snapshot using streamer, but see what the camera is pointing at before I ...
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2answers
1k views

How to convert CR2 to JPG or PNG?

I need to convert a lot of CR2 photos to either JPG or PNG, no editing. How to do this?
2
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2answers
69 views

Any feature in ubuntu by which we can lossless compress images in bulk

I am looking for a way in which I can do a lossless compression of all images in a directory in a batch process. I don't want images to loose quality. I am running this website Winni.in, for this if ...
4
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3answers
357 views

Mass conversion of images to GIF

I have created over 600 images from a simulation I ran. I want to convert these images into a GIF format. Can you provide me a way to do so and one that allows me to show each image for >1second.
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2answers
46 views

Are there softwares available on Ubuntu for the conversion of a series of image files into an animated gif file?

Before you mention this question Tool to convert a sequence of numbered PNG files to an animated GIF? I would like to say I'm a total noob when it comes to ubuntu (I know I have 1375 rep but I have ...
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0answers
81 views

reducing file size of animated gif

After converting 4 *.mov files to 4 *.mp4 files, then to animated gif online, the file sizes range from 22mb to 50mb; to insert them into a power point is useless if it takes a half hour to load each ...
0
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1answer
134 views

RAW exports wrong (Photivo, Rawtherapee)

I am using Ubuntu 13.10. I started shooting my images in RAW (NEF) and downloaded Photivo to process them. While working in Photivo, everything is OK. The problem is when you save the rendered image. ...
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2answers
65 views

Adding white space to a shutter screen shot

I have a taken a screenshot with Shutter, and I wish to annotate the screenshot, so I click on edit. How do I add white space around the screenshot to put my annotations?
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3answers
749 views

Batch converting swf to png

I have a folder with a lot of swf files. They are named that way: fis1.swf; fis2.swf; fis3.swf; ... fis20.swf. I want to convert all of them into png files. I know it can be done with swfrender from ...
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0answers
239 views

How to use Hadoop streaming input parameter for matlab shell script

Actually i want to execute my matlab code in hadoop streaming. My doubt is how to use hadoop streaming input parameter value for my matlab input. For example , This is my matlab file imreadtest.m ...
4
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2answers
415 views

Show difference between BMP files

Is there a command line tool to show the difference between two BMPs in such a way that it would return the difference in their header values in a human readable way? So, there would be information ...
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1answer
268 views

How to improve tesseract performance?

By all accounts, tesseract is superb. However, my results are dismal. I need to convert (digital, as opposed to from a book) text that I only have as a png. For instance: 2 3 academics 1 1711 2 ...
0
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1answer
101 views

Batch Convert Images from One Format to Another while maintaining directory structure, and removing originals

I've looked at this question, and while it works there a few issues: All converted images are placed in the directory from which the command is called. The original images are kept. I need to ...
0
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1answer
97 views

How can I resize 300 image at the same time? [duplicate]

I have a folder, which include ~300 images. I want to resize it to 800px wide in another folder. How can I do that? I have tried some ImageMagick command.
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1answer
334 views

How to converting HEX jpg to BIN jpg

I have jpeg files, they are was saved in DB in hex format. I import them into txt files, but files filled like this: ...
3
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3answers
3k views

How can I remove the grayscale page background of a PDF document scan while preserving the text? (Binarization)

My PDF contains 600 pages with images of text. It has 2 "layers". "Layer 1": Background colour image "Layer 2": Text image I would like to remove all background image layers in the total PDF file ...
-1
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1answer
523 views

couldn't load image in opencv(python)

I installed opencv & python in ubuntu12.04. I'm unable to load the image. I tried $ from cv2.cv import * which showed the error "from: can't read /var/mail/cv2.cv" How to solve this?
0
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1answer
225 views

Use gpicview to scroll between all images in a directory using mouse or keyboard like arrows or pageup

With GPicView 0.2.3 and Lubuntu 13.04 running LXDE , the next/previous function never seems to work. Keyboard shortcuts show that the arrow keys should move between next and previous images, but ...
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2answers
170 views

Ubuntu 13.10 - desktop freezes when opening or importing a large size image?

I tried to add a raster layer to my QGiS dufour(memory size of the image was 52 MB) and the desktop freezed. It is not just QGIS,I have also tried to open this image via image viewer and it has also ...
9
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0answers
2k views

Most options are disabled/greyed-out in GIMP [closed]

I'm attempting to resize an image and save the resizes image. Google taught me that I should be looking for the scale image option, however it's disabled along with Save Image, Export image and most ...
7
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1answer
1k views

How can I combine multiple images into a single GIMP file with the command line?

How can I combine multiple JPEGs into a single, layered XCF via the command line? Using GIMP's graphical interface I can choose File ▸ Open as Layers..., but I don't see an analogous command-line ...
10
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1answer
7k views

How to crop borders/white spaces from image? [duplicate]

I have a lot of images which have white borders around it. I would like to crop those borders in one batch, preferably from command line. I believe that it can be done with ImageMagick, but I couldn't ...
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1answer
528 views

how to compare two images using SIFT in Linux and Matlab

i need to compare two images. the main purpose is Logo identification. i tried to use SIFT . but i do not understand how to mark key points and comparing. i am using Linux. I am trying to use ...
1
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1answer
49 views

How can I correct for a slow scanning document feeder?

We've got a HP all-in-one OfficeJet and I find that the document feeder on it is a bit slow, so all the scans come out a bit stretched. Everything we feed into this is A4 which should have an aspect ...
0
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1answer
586 views

Is there a command-line program that can output ascii art as an image?

Is there a command-line program that can convert an image to ascii art and then save that output as an image e.g. jpg or png? To illustrate what I'm in need of, I want to convert the image below into ...
4
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2answers
718 views

How do I add DBP to GIMP?

I have Kubuntu 12.04.01 with GIMP 2.06. On a previous installation I used DBP . I found it worked well on resizing images, and want to re-install it. Although I managed before, I cannot now remember ...
7
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3answers
884 views

How do I throttle a command in a terminal window?

I needed to run convert with a lot of images at the same time. The command took quite a while but this doesn't bother me. The issue is that this command rendered my computer unusable while the ...
18
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1answer
4k views

Does “diff” exist for images?

You can compare two text files very easy with diff and even better with meld: If you use diff for images, you get an example like this: $ diff zivi-besch.tif zivildienst.tif Binary files ...
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1answer
204 views

Image analysis software

I plan to install Ubuntu on a pandaboard/beagleboard in an industrial machine to assure the quality control of the products before they are processed by the machine. So the idea is to connect a ...
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1answer
278 views

Image Editors with Layering Capability

I am a keen photographer and have tried many FOSS image editors, finally settling on DigiKam/Showfoto with Kipi plugins. I occasionally use Dark table also as I think it is a promising project. ...
48
votes
7answers
40k views

Simple image editor?

I want something similar to "preview" in macs. For example: I want an image editor that ONLY does simple adjustments like increase/decrease contrast, saturation, exposure, color tinting.... rotate, ...
19
votes
4answers
61k views

How do I install python imaging library (PIL)?

How do I install the python imaging library (PIL) on Ubuntu? I tried doing sudo apt-get install python-imaging but now when i run python selftest.py (a script I got from somewhere on the ...
4
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1answer
2k views

What software can display raw bitmaps on Linux?

I have a raw file but I don't know the pixel format or the width of the image. I need a tool that can quickly display the data and allow me to try different formats easily. An example of such a tool ...
8
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2answers
6k views

Resize images to specific height value in ImageMagick?

I've looked around for this, and can't find an easily implemented solution. Currently I'm working on an application that deals with panoramas. As they come out of the batch stitch process, the ...
26
votes
4answers
17k views

How can I scale all images in a folder to the same width?

I want to scale all images in a given folder to the same width (but different appropriately scaled heights). How can I do this using a GUI-based or command-line tool? For bonus points, is it ...
1
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1answer
496 views

tool to scan similar images

What tools might be available in Ubuntu to scan many image files and detect similar ones despite different sizes, formats, etc? Support for batch mode/cli would be especially good. For example, so I ...