All Questions
Tagged with image-processing linux
11
questions
0
votes
1
answer
390
views
How to invert an SVG image?
I’m searching for a solution (in Linux console) which “inverts” an SVG. It shall take an input .svg and generate output .svg with multiple shapes, each one filling a single transparent area. And vice ...
- 1
1
vote
1
answer
120
views
Extracting foregrounds from DJVU files
I tried extracting the foreground using ddjvu -mode=foreground and ddjvu -mode=black but the file that was generated was several GB in size. Following one of the answers in rhis link I then tried to ...
- 13
0
votes
0
answers
46
views
"Canonicalize" PNG files
I am looking for a way to process a set of PNG files in such a way that if they contain the same image data, the files will be byte-by-byte identical too.
Is there a quick and easy, automatable way ...
- 2,987
9
votes
4
answers
7k
views
How to convert DICOM images to PNG?
I have some DICOM medical imaging files downloaded from Cancer Imaging Archive. I can convert them from DICOM to several other formats, but as you'll see the conversion isn't working as expected in ...
- 351
2
votes
2
answers
7k
views
How to use dcmcjpeg to convert DICOM to JPEG?
The dcmcjpeg tool from the dcmtk package (sudo apt-get install dcmtk) is supposed to convert DICOM image files to JPEG.
But I suspect it still wraps the image in a DICOM container, because when I try,...
- 351
0
votes
0
answers
601
views
Two eps files merged into one with them side-by-side: How?
How can I combining two EPS files side-by-side on Linux? What is the command to use?
- 1,811
1
vote
3
answers
399
views
Transfer large amount of images (30GB) to virtual server from slow, old, linux machine?
I need to transfer 200,000 images to a windows EC2 instance from a really old linux machine. I don't have much experience with linux, so I haven't tried straight up FTPing because I don't think we ...
- 11
0
votes
1
answer
887
views
Downloading images via wget
When downloading an image with wget using wget link I get the following errors:
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: [following]
--2015-05-24 14:47:46-- http://...
- 101
1
vote
2
answers
399
views
Deduplicate images synced across devices in various resolutions
I currently have a couple of scripts and Android apps that together do the following for a set of member devices (smartphones, PCs, digital cameras):
all pictures taken by all member devices are ...
- 464
58
votes
5
answers
75k
views
I want to change DPI with ImageMagick without changing the actual byte-size of the image data
In GIMP there is a very simple way to do what I want. I only have the German dialog installed but I’ll try to translate it. I’m talking about going to Picture -> PrintingSize and then adjusting the ...
- 736
10
votes
7
answers
10k
views
Detecting blank image files
I am using scanimage with a document scanner (Canon DR-2510C) that supports duplex scanning. Unfortunately, its SANE driver does not support blank page detection, so that with mixed pages (single/...
