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

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How Open Specific Part of .png Figure in Ubuntu's Terminal?

Situation: start browsing of the figures at width 1:960 and height full in Terminal Motivation: Ubuntu's default image viewer opens the figure at full width and full height, making the browsing of ...
2
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1answer
19 views

Is there a good software to correct scanner defects?

I have an old scanner that apparently has some defects. When I connected it to my Linux laptop and scanned a white A4 paper I got this. But with "Windows Fax and Scan" I got this which is almost ...
3
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2answers
42 views

GoPro fisheye lens correction FREE software

What can I use on Ubuntu (or Windows) to correct GoPro fishlens effect on a video (or at least image) using FREE software? I dont have Photoshop or After Effects at hand.
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2answers
607 views

Is there an image editing software that can open Microsoft DirectDraw Surface files in Ubuntu?

I need an editor that can open, save and edit Microsoft DirectDraw Surface (.dds) files. I know Paint.NET can open them, but well, it's .NET, so... GIMP doesn't seem to open them and I can't find a ...
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1answer
113 views

Why are the images produced by pdfimages different when using the -all flag?

It's my understanding that pdfimages -all extracts images from PDFs in their native formats. Therefore, I expected that the JPG (lossy) images extracted from that command would have the same pixel ...
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0answers
49 views

Why are image files from pdfimages bigger than the PDFs they came from?

On Ubuntu 16.04, pdfimages -all produces image files whose sum of storage use is greater than the PDF files from which they came. Is there any explanation for this? How can I extract image files ...
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0answers
33 views

run processing linux standalone in ubunto

I am using Simpleopenni V.1.96 library in Processing 2.2.1. I wrote a sketch utilizing Simpleopenni library in processing. Although this sketch is running perfectly and the exported files are ...
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1answer
116 views

How to Convert/Edit .mp4 file to .gif in Ubuntu 16.04?

I would like to do this by default tools and scripting. The logic is just to take pictures from the video and store them in the .gif format. Editing Do sudo apt-get install kazam pitivi openshot ...
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1answer
45 views

How to Setup Axis Points in g3data of 16.04's apt-get?

I do g3data image.png. I start by clicking Set point X1 on X axis (1). I setup axis points unsuccessfully Set axis points X1 and press second click Set axis points Y1 and press second click Set ...
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1answer
44 views

Auto Photo Crop

I want to crop photo black background with command line This command didn't help: convert input.png -trim output.png My image
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0answers
12 views

How to extract text from an image

I am doing project on extraction of video into text and image into text. I have got code for video to text extraction. But not able to get code for image extraction, i am using netbeans software for ...
4
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1answer
39 views

Recommendations for a simple screenshot annotation tool?

I am looking for a simple screenshot annotation tool with the following features: Crop Resize Blur Draw shapes and lines Add text
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1answer
42 views

Program with particular MS Paint feature?

I have been looking for an image editing program with a extremely convenient feature from Microsoft Paint. MS Paint allows you to hold the right mouse button while erasing over a region to erase ONLY ...
2
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1answer
70 views

How to batch rename JPEG files to image date, adding a count that resets for each day?

I'm using pyrenamer with my photo collection and it works great except for one issue. I want it to rename photos by their date taken metadata, with a three-digit number at the end. Each folder in my ...
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0answers
83 views

convert multiple jpg images to png changing to transparent background

I need to iterate over a folder with lot of logo images (in JPG) and convert them to PNG and change the white backgroun to a transparent one. Is there a linux command to convert jpg to png and ...
4
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3answers
186 views

How do I capture a screenshot of a window, and all the windows on top of it?

I'm using screenshots as regression tests for GUI software. Before deploying each new version, a series of automatic tasks is run against the old and the new version, screenshots are generated after ...
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2answers
323 views

ImageMagick convert and low RAM

Please consider the following command for the imagemagick package: sudo convert -resize 460x200 /path/to/test1.jpg /path/to/test2.jpg Now test1.jpg is a fairly large image (12.5MB), but not unheard ...
0
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3answers
981 views

How to convert .jpg or .png image to .raw

Is there any software that converts JPEG or PNG to RAW? I have been looking around and just found a few software that make the inverse anyway.
2
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2answers
73 views

Scale down image such that it fills a square of 100x100

I want to create thumbnails for all images of a folder. I also want the images to fit in a square of 100x100 pixels. So after scaling the images down, while the smaller side needs to be 100 pixels, ...
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1answer
42 views

Is there any “Background Removal” Program in Ubuntu besides GIMP?

I need to remove background from images locally. I use photoshop in windows and GIMP in Linux but GIMP is too much for me for simple background removal purpose. Is there any easier alternatives for it....
0
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2answers
172 views

how to convert .svg image to .png? [duplicate]

I would like to change the color of some SVG pictures and then save them as PNG images. I have installed GIMP. I am running Ubuntu 14.04. How can I do that?
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0answers
30 views

Bruteforce download and convert images

So, I'm basically trying to bruteforce download from a server that doesn't seem to support directory listing or FTP. I know the image files are all png and have numeric filenames ranging from 0-500. ...
1
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1answer
56 views

Resizing pictures

Currently running Ubuntu 15.04. I am trying to resize a set of photos which original size of each is 3906*2602. Whether I try with darktable or mogrify specifying 1920*1080 I end up with 1621*1080. ...
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1answer
3k views

How can I install a package from Octave Forge?

How can I install a package from Octave Forge? I am using imresize function and I get this error warning: the 'imresize' function belongs to the image package from Octave Forge which seems to not ...
2
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1answer
16 views

Convert image color channels?

So, I have an image and I want to be able to set the Red and Blue values so they're equal to the value of the Green in the image. This is because the image is entirely Green and I want it to appear ...
3
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1answer
62 views

Gimp color tools don't work

When I try to run color modification tools like right-click -> Colors -> Colorize (or any of the color tools, Brightness / Contrast, Hue / Saturation, etc), nothing happens: When I click Colorize ...
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1answer
1k views

How to create JPG file in RawTherapee without changing original RAW

With RawTherapee 4.2, I want to edit the image and export it as jpg file, but without touching the original RAW file. Is it possible? At the moment I copy the RAW, edit it and put it to the queue to ...
0
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2answers
73 views

Does digiKam supports RAW files of Canon G16?

When I open an RAW file of my Canon G16 camera (.cr2 suffix) with digiKam 3.5.0, the colors are wrong and there are black margins. What settings must be done in digiKam to process the file or does ...
2
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2answers
226 views

Convert folder with tiff to jpg by using mozjpg

I hear that mozjpeg is a nice jpeg compressor from Mozilla. How can I convert my folder with *.tiff to jpg from terminal using mozjpeg?
2
votes
1answer
52 views

How can I get ImageJ to open all files in the same session?

When I open more than one image from Nautilus in ImageJ they all open in a new session. If I already have one session running and open a new file in Nautilus ImageJ also creates a new session. How can ...
0
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1answer
186 views

Is there a linux command to bulk optimize several image files in just one step?

I have a bunch of images in a folder: images/image1.jpg images/image2.jpg ... These images are not optimized for the web. Just wondering if is there a linux command to bulk optimize those images ...
21
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2answers
14k views

How can I turn photos of paper documents into a scanned document?

My scanner has broken! I do have a good camera though so I've taken a few photos of the documents I want to scan... However they look like photos of paper, not scanned documents: Images aren't flat ...
9
votes
1answer
1k views

How to convert a PNG strip to a GIF?

So, I made this animation in a program, however, it doesn't seem to support exporting as a PNG sequence so I could convert it to a GIF. The animation is over 100 frames so saving each image one-by-one ...
0
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1answer
4k views

Building Caffe: Failed to see hdf5.h

Hello Caffe is a library for deeplearning. When trying to build that library under Ubuntu 15.04, the compilation fails with the message: :~/App/caffe$ make all PROTOC src/caffe/proto/caffe.proto CXX ...
2
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2answers
802 views

can't install cpan module GD

Since I failed to install Image::Magick on my non-GUI Ubuntu server Ubuntu 14.04.2 LTS (read about it here), I tried to install another image-manupulation tool that can be used from a perl-script: GD. ...
2
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2answers
2k views

Merging multiple images into one document and add any caption/label to them

I have multiple jpg and png images. I would like to combine them within one document (ODT/PDF/RTF). It can be easily done by means of following command: convert *.png allTogether.pdf However, there ...
2
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0answers
125 views

Image manager (picasa like)

I'm trying to find an image viewer/manager which should have two main features: Its fast in displaying/load images. gpicview is fair good at this task but doesn't have the second point... I need a ...
17
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3answers
874 views

How can I take a screenshot from a window, with customizable margins

I need a tool that will do the following: selecting a window, will make a screenshot of that window with a x padding, like in the following image: So, in most of the cases x will be equal with y, ...
0
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1answer
513 views

Faststone Image Resizer equivalent for Ubuntu

I am moving over to Ubuntu from windows (gradually) and have used Faststone Image Resizer for windows for a while and found it very good, Is there an equivalent piece of software for Ubuntu that ...
0
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1answer
395 views

Auto rotate scanned text

How to automatically rotate a scanned image? Even if you insert the paper into the scanned carefully. About one degree rotation is left. Is here no way to automatically rotate the scanned image? I ...
2
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1answer
565 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?
0
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1answer
530 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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3answers
1k views

Convert emf to PNG image using command line

Is there any command line tool available to convert emf to png images? I tried the convert utility from ImageMagick, but it says decoder for emf not found
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1answer
51 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 ...
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2answers
1k 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 ...
4
votes
2answers
15k 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 ...
2
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1answer
243 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
200 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 ...
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1answer
916 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 ...
3
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1answer
2k 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 ...