butteraugli command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

butteraugli: command not found

or when using sudo you get the following error message

sudo: butteraugli: command not found

Solutions to butteraugli: command not found

How To Fix butteraugli: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu butteraugli is provided by butteraugli package.

butteraugli is:

Butteraugli is a project that estimates the psychovisual similarity of two images. It gives a score for the images that is reliable in the domain of barely noticeable differences. Butteraugli not only gives a scalar score, but also computes a spatial map of the level of differences.

One of the main motivations for this project is the statistical differences in location and density of different color receptors, particularly the low density of blue cones in the fovea. Another motivation comes from more accurate modeling of ganglion cells, particularly the frequency space inhibition.

To fix this problem, we can install more using the command below.

sudo apt-get -y install butteraugli

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install butteraugli.

sudo apt -y install butteraugli

Or if you have aptitude installed you can use the following command.

sudo aptitude install butteraugli

Summary

In this tutorial we learn how to fix butteraugli command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.