How To Install python-opencv-apps on Ubuntu 18.04

In this tutorial we learn how to install python-opencv-apps on Ubuntu 18.04. python-opencv-apps is opencv_apps Robot OS package - Python bindings

Introduction

In this tutorial we learn how to install python-opencv-apps on Ubuntu 18.04.

What is python-opencv-apps

python-opencv-apps is:

This package is part of Robot OS (ROS). It contains several ROS packages for working providing OpenCV functionalities in a simplest manner in ROS, i.e., running a launch file that corresponds to the functionality.

The package contains implementations for edge detection, structual analysis, people/face detection, motion analysis and object segmentation.

It contains the Python bindings for the opencv_apps library.

There are three methods to install python-opencv-apps on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install python-opencv-apps Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install python-opencv-apps

Install python-opencv-apps Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install python-opencv-apps

Install python-opencv-apps 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 python-opencv-apps using aptitude by running the following command:

sudo aptitude -y install python-opencv-apps

How To Uninstall python-opencv-apps on Ubuntu 18.04

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

sudo apt-get remove python-opencv-apps

Uninstall python-opencv-apps And Its Dependencies

To uninstall python-opencv-apps and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove python-opencv-apps

Remove python-opencv-apps Configurations and Data

To remove python-opencv-apps configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge python-opencv-apps

Remove python-opencv-apps configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge python-opencv-apps

References

Summary

In this tutorial we learn how to install python-opencv-apps package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.