How To Install libopencv-apps2d on Ubuntu 22.04
Introduction
In this tutorial we learn how to install libopencv-apps2d on Ubuntu 22.04.
What is libopencv-apps2d
libopencv-apps2d 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, structural analysis, people/face detection, motion analysis and object segmentation.
It contains the opencv_apps library itself.
There are three methods to install libopencv-apps2d 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 libopencv-apps2d Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libopencv-apps2d using apt-get by running the following command:
sudo apt-get -y install libopencv-apps2d
Install libopencv-apps2d Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libopencv-apps2d using apt by running the following command:
sudo apt -y install libopencv-apps2d
Install libopencv-apps2d 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 libopencv-apps2d using aptitude by running the following command:
sudo aptitude -y install libopencv-apps2d
How To Uninstall libopencv-apps2d on Ubuntu 22.04
To uninstall only the libopencv-apps2d package we can use the following command:
sudo apt-get remove libopencv-apps2d
Uninstall libopencv-apps2d And Its Dependencies
To uninstall libopencv-apps2d and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove libopencv-apps2d
Remove libopencv-apps2d Configurations and Data
To remove libopencv-apps2d configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge libopencv-apps2d
Remove libopencv-apps2d configuration, data, and all of its dependencies
We can use the following command to remove libopencv-apps2d configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libopencv-apps2d
References
Summary
In this tutorial we learn how to install libopencv-apps2d package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.