How To Install opencv on CentOS 7

In this tutorial we learn how to install opencv on CentOS 7. opencv is Collection of algorithms for computer vision

Introduction

In this tutorial we learn how to install opencv on CentOS 7.

What is opencv

OpenCV means Intel® Open Source Computer Vision Library. It is a collection of C functions and a few C++ classes that implement some popular Image Processing and Computer Vision algorithms. OpenCV means Intel® Open Source Computer Vision Library. It is a collection of C functions and a few C++ classes that implement some popular Image Processing and Computer Vision algorithms.

We can use yum or dnf to install opencv on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install opencv.

Install opencv on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install opencv using yum by running the following command:

sudo yum -y install opencv

Install opencv on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install opencv using dnf by running the following command:

sudo dnf -y install opencv

How To Uninstall opencv on CentOS 7

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

sudo dnf remove opencv

References

Summary

In this tutorial we learn how to install opencv on CentOS 7 using yum and dnf.