Check for (dis)similarity between two or more PNG images.
This tool computes (dis)similarity between two or more PNG images using an algorithm approximating human vision.
Comparison is done using a variant of the SSIM algorithm at multiple weighed resolutions.
The value returned is 1/SSIM-1, where 0 means identical image, and >0 (unbounded) is amount of difference.
Values are not directly comparable with other tools, but DSSIM is generally more accurate (according to TID2013 test suite).
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Snap is available for Linux Mint 18.2 (Sonya), Linux Mint 18.3 (Sylvia), and the latest releases, Linux Mint 19 (Tara) and Linux Mint 19.1 (Tessa).
You can find out which version of Linux Mint you’re running by opening System info from the Preferences menu. To install snap from the Software Manager application, search for snapd and click Install.
Alternatively, snapd can be installed from the command line:
sudo apt update
sudo apt install snapd
Either restart your machine, or log out and in again, to complete the installation.
To install DSSIM, simply use the following command: