Questions about opening / editing / saving images using image-editing applications.

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1
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1answer
33 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. ...
10
votes
4answers
9k views

What is the best picture compression tool? [closed]

Is there a tool which can achieve good picture compression without losing the image quality in order to make optimal images for websites and can compress images in batches?
4
votes
2answers
5k views

Ubuntu 12.04 wallpaper problem when using two monitors

I am using two monitors, the main resolution is 1920x1080 and the secondary is 1440x900. Everything seems to work fine (with default drivers, fglrx crashes bad), besides windows opening in the wrong ...
0
votes
1answer
37 views

Color calibration on Ubuntu

I noticed that colours on Ubuntu look different than on Windows, on the same laptop. The problem is that when I use Photoshop in Virtualbox and I make a solid colour image in one colour, and when I ...
0
votes
3answers
53 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.
1
vote
0answers
10 views

image sizes width and height in file explorer - how to view

I have a bunch of different sized images in a folder. I would like to sort the images by widthXheight and then copy some to another folder using a file explorer. (In this case i want to move all my ...
0
votes
0answers
20 views

Blank images on copy paste from pdf to image editor or libreoffice

Lately I have to extract few specific images from pdf and save them as image file. For example, the following is the image copied from pdf (right click and copy image Ctrl+C). While pasting same ...
10
votes
8answers
10k views

Alternative image viewers

I dont really like Eye of Gnome (EOG). What other image viewers are available for Ubuntu? I am using gwenview but it takes a long time to load.
0
votes
1answer
35 views

concatenate two images one at bottom of other

Using convert command line, we can concatenate img1.png with img2.png: convert img1.png img2.png +append full_img.png However, the command above adds img2.png to the right of img1.png. How to ...
13
votes
3answers
14k views

How to get/edit EXIF meta-data of multiple images?

I ran into big problem yesterday night. I took out my old digital camera, and started using it without setting current date and time. All photos clicked now have date as Jan 01, 2009 I want to ...
7
votes
2answers
4k views

How do I convert a PNG to SVG, using a software?

I'd like to be able to crop SVG chemical structures, completely (see this question), that were created using MarvinSketch and I think I might have thought of a solution; I use MarvinSketch to create a ...
0
votes
1answer
19 views

digikam: organize imported image

I am using digikam to import and organize pictures from hard disks. It seems that digikam is not reading the metadata to catalogue the pictures by date. How can enforce digikam to read the ...
0
votes
0answers
25 views

Windows-like slideshow viewers

Is there any image viewer that would allow me to select folders A, B and C and play the images in them as a slideshow while maintaining the order within the folders - not mixing all of the images and ...
88
votes
9answers
62k views

How to convert PDF to Image?

I have requirement of converting PDF pages to images. There is a background image with some text written, so when I save this as image only background image got saved. Is there any software available ...
7
votes
2answers
3k views

Resize large images with mogrify (ImageMagick) but leave small images unaffected

Images can be resized using mogrify from the ImageMagick suite: `mogrify -resize 256x256 *.jpg` But this will resize images so that the largest dimension is 256px, including images that are smaller ...
0
votes
1answer
49 views

How can i see images from my ftp server of ubuntu, directly from browser in form of gallery?

I have Ubuntu installed on AWS running an FTP server. Images are uploaded continuously to the FTP server. Is it possible to view the images directly in the form of a gallery? Could I use Ubuntu's ...
-2
votes
2answers
66 views

Where's the best place to download Ubuntu virtual machines? [closed]

I'm using VirtualBox on OSX, and found a list of images here. But as of today it doesn't include an image for 14.04. What URLs would you suggest to ease the search for a client image of Ubuntu 14.04? ...
2
votes
3answers
84 views

How does Image Viewer know to autorotate picture?

I have two files, which were once identical, but one was rotated using Windows Photo Viewer on Windows. Let's call them the raw image and the rotated image. The logical representation of this image is ...
1
vote
0answers
19 views

How to apply “drop shadow” to anti-aliased text?

I have an image of anti-aliased text on a transparent background, and I want to apply the "drop shadow" effect as well. However, the shadows ignore the semi-transparent pixels inside the selection, ...
1
vote
1answer
23 views

What does Ubuntu use for creating cloud-images?

I wonder how they are creating these images ? Are they using FAI or some custom process ? If you could give me some guidance how to create these images ? I would to have them with syslinux instead ...
13
votes
3answers
22k views

Ubuntu replacement for IrfanView

On Windows I really liked IrfanView as a basic image editor/manager. Some of the main features I liked were great shortcut keys good batch conversion options ability to work with many image file ...
48
votes
6answers
28k views

How can I find duplicate photos?

What can I use to find duplicate photos, including photos that have been resized?
7
votes
4answers
13k views

Is there a CLI webcam image grabber that works with a video4linux2 device?

I've tried everything in apt-cache search webcam |sort -u and everything has some problem. Correcting any syntax mistakes, showing how to use a "GUI only" from the CLI or a good ...
3
votes
1answer
93 views

Some images appear discoloured in Firefox

Some images - especially in Facebook appears green-ish and purple-ish when I view using Firefox but when I open the same page using Chromium the image colour is normal.
1
vote
2answers
62 views

How to get Firefox to only load images from trusted origins

As you can see by the name, I am paranoid, and I realise that I can get something malicious on my machine through looking at an image. I have disabled my browser's cache, but this still only limits ...
55
votes
6answers
52k views

Mount single partition from image of entire disk (device)

I made an image of my entire disk with dd if=/dev/sda of=/media/external_media/sda.img Now the problem is I'd like to mount an ext4 filesystem that was on that disk but mount -t ext4 -o loop ...
15
votes
2answers
8k views

How can I extract text from images?

How can I extract text from images? I am not talking about scanned files, but garden variety images, such as when you take a high-def picture of a blackboard at class, and it is nicely handwritten; ...
0
votes
0answers
21 views

Can I run and install Ubuntu (Mac iso) on a non apple product? [duplicate]

I want to design a Ubunntu image customized for mac, but... dont have a macbook... Can I run and install Ubuntu (Mac iso) on a non apple product?
5
votes
2answers
6k views

How to enable display of framebuffer images (e.g. in w3m, fbi) within byobu (pts)?

I'm trying to run a minimal Ubuntu 13.10 installation without X Window System on my old laptop. One of the most useful tools I rely on in this setup is byobu; however, it seems to prevent me from ...
1
vote
2answers
141 views

bulk image download from piwigo based web gallery

I'd wish to download original sized images from this website, built upon piwigo CM http://mermaid.pink/ Single image download is allowed, but that would take ages Could you suggest me a software, ...
1
vote
2answers
87 views

How to convert images into other formats?

Is there an application which can do the following?: Resize one or more images Compress images Rotate and flip images Rename multiple images using a progressive number or a prefix/suffix Convert an ...
1
vote
1answer
34 views

Make feh (image viewer similar to xv) readonly?

I used feh (an image viewer similar to xv) to view an image and then keyboard ">" to view the image rotated and then "q" to quit. feh overwrote the original image with the rotated image! How do I ...
4
votes
3answers
2k views

Opening cursor files in a graphics editor?

I'm looking at /usr/share/icons/DMZ-White/cursors, and there is: $ tree -s /usr/share/icons/DMZ-White/ /usr/share/icons/DMZ-White/ ├── [ 4096] cursors │   ├── [ 14] ...
0
votes
2answers
207 views

convert animated gifs to sprite sheets

I have a shell scripting request, I haven’t spent much time figuring it out myself yet, but I want to try and convert animated gifs into sprite sheets for use in SDL game development. I know how to ...
3
votes
1answer
107 views

Is there a tool in linux/gimp to dynamically layout a grid of images for scrapbook cutouts?

I'm looking for a tool that will layout images into grids dynamically without altering their proportions. The purpose would be to make cutting image printouts much faster for scrapbooking. I know a ...
0
votes
1answer
180 views

Where I Can get Ubuntu 15.10 Wily Werewolf DVD Label and DVD cover image?

I found this image on http://irfree.com/applications/windows/513065-ubuntu-1510-wily-werewolf.html But they do not have a printable version, I searched all over the Internet and couldn't find any ...
1
vote
1answer
195 views

wget and cURL not working with bash script

I am trying to download an images off a website and have tried: curl -o img.jpg (URL) wget (URL) -O img.jpg wget --save-headers -U "Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/534.17 (KHTML, ...
0
votes
0answers
36 views

JPG displays colors less bright than PNG in Image Viewer

When I save an image in Gimp to JPG and PNG, then open it in Image Viewer, the JPG version seems less bright. The PNG is like when opened in Gimp. When opening both images in Gimp or in Photoshop on ...
1
vote
1answer
102 views

Processing Nikon D5300 Raw images in Ubuntu

I am using ubuntu 14.04 and I have installed both UFRaw and DarkTable. but I have problem processing Nikon D5300 raw files (.nef). every raw image I open in both applications has a purple tint. I ...
2
votes
0answers
58 views

How do I save areas of an Inkscape file to separate SVG files?

I am working on making window buttons for a Unity 7 theme using Inkscape. The file I have uses a 7x4 grid, with each grid space 19px square and containing a single button image. Multiple layers are ...
57
votes
8answers
54k views

Is there a lightweight tool to crop images quickly?

I need to crop images often - photos, printscreens, etc., and loading gimp for such a simple task takes way too long. Can you recommend a more robust alternative?
0
votes
0answers
78 views

How to insert image in zenity?

I have tried --window-icon in zenity by giving the image path, but it is not working... The code I tried is zenity --window-icon "/home/pavan/Downloads/badge.png" --title "Search Box" --text "Type to ...
1
vote
0answers
38 views

How to put a transparent image over everything

I am creating a program for Ubuntu which should be able to display an image (probably animated) over the top of all windows, although if the image is over the top of a button on an application, it ...
18
votes
1answer
19k views

How to crop borders/white spaces from image?

I have a lot of images which have white borders around them. I would like to crop those borders all at once, preferably from command line. I believe that it can be done with ImageMagick, but I ...
1
vote
2answers
1k views

command line tool to bulk extract images from a pdf?

I have a pdf catalog that was given to me from a client in pdf format. They don't have the images but they're in the pdf. Is there a way to extract all images from a pdf using a command line tool ...
0
votes
0answers
30 views

How to rename more than one file into a folder with Lubuntu [duplicate]

I use Lubuntu 15.04, 64 Bit version. I used to use a software called "IrfanView" to edit, rename (as a batch processing) and organize my images collection (taken with my digital camera). ...
1
vote
0answers
22 views

Images appears discoloured in Image Viewer

As the title says, every image I open using Image viewer is discoloured. It appears more green-ish and purple-ish. I am using Ubuntu 14.04.3 LTS. How can I solve this?
10
votes
2answers
2k views

How to upload many Images to Google Photo?

I have 70k images in 2k directories on my ubuntu PC. I want to upload them to google photo to the unlimited store (called "high quality" with reduced size). This solutions looks too complicated to ...
9
votes
5answers
21k views

Gimp: Export every layer as a separate PNG image

I have come to a situation where I have an image in Gimp with multiple layers. Now, I want to export every single layer as an individual image (PNG format preferably) automatically to a folder ...
0
votes
0answers
95 views

SVG image viewer with auto-reload and auto-fit

I am currently building a project that requires the creation of multiple SVG images. Hence, I was on the hunt for a proper image viewer that supports this file format. The EOG (Eye Of Gnome) viewer ...