How To Install opencv-doc on Ubuntu 18.04

In this tutorial we learn how to install opencv-doc on Ubuntu 18.04. opencv-doc is OpenCV documentation and examples

Introduction

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

What is opencv-doc

opencv-doc is:

This package contains the OpenCV documentation and example programs.

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 methods to install opencv-doc 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 opencv-doc Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install opencv-doc

Install opencv-doc Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install opencv-doc

Install opencv-doc 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 opencv-doc using aptitude by running the following command:

sudo aptitude -y install opencv-doc

How To Uninstall opencv-doc on Ubuntu 18.04

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

sudo apt-get remove opencv-doc

Uninstall opencv-doc And Its Dependencies

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

sudo apt-get -y autoremove opencv-doc

Remove opencv-doc Configurations and Data

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

sudo apt-get -y purge opencv-doc

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

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

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

References

Summary

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