How To Install python3-opencv on Ubuntu 22.04

In this tutorial we learn how to install python3-opencv on Ubuntu 22.04. python3-opencv is Python 3 bindings for the computer vision library

Introduction

In this tutorial we learn how to install python3-opencv on Ubuntu 22.04.

What is python3-opencv

python3-opencv is:

This package contains Python 3 bindings for the OpenCV (Open Computer Vision) library.

The Open Computer Vision Library is a collection of algorithms and sample code for various computer vision problems. The library is compatible with IPL (Intel’s Image Processing Library) and, if available, can use IPP (Intel’s Integrated Performance Primitives) for better performance.

OpenCV provides low level portable data types and operators, and a set of high level functionalities for video acquisition, image processing and analysis, structural analysis, motion analysis and object tracking, object recognition, camera calibration and 3D reconstruction.

There are three ways to install python3-opencv on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install python3-opencv Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install python3-opencv using apt-get by running the following command:

sudo apt-get -y install python3-opencv

Install python3-opencv Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install python3-opencv using apt by running the following command:

sudo apt -y install python3-opencv

Install python3-opencv Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install python3-opencv using aptitude by running the following command:

sudo aptitude -y install python3-opencv

How To Uninstall python3-opencv on Ubuntu 22.04

To uninstall only the python3-opencv package we can use the following command:

sudo apt-get remove python3-opencv

Uninstall python3-opencv And Its Dependencies

To uninstall python3-opencv and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove python3-opencv

Remove python3-opencv Configurations and Data

To remove python3-opencv configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge python3-opencv

Remove python3-opencv configuration, data, and all of its dependencies

We can use the following command to remove python3-opencv configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge python3-opencv

References

Summary

In this tutorial we learn how to install python3-opencv package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.