How To Install opencv-contrib on CentOS 8
Introduction
In this tutorial we learn how to install opencv-contrib on CentOS 8.
What is opencv-contrib
This package is intended for development of so-called “extra” modules, contributed functionality. New modules quite often do not have stable API, and they are not well-tested. Thus, they shouldn’t be released as a part of official OpenCV distribution, since the library maintains binary compatibility, and tries to provide decent performance and stability. This package is intended for development of so-called “extra” modules, contributed functionality. New modules quite often do not have stable API, and they are not well-tested. Thus, they shouldn’t be released as a part of official OpenCV distribution, since the library maintains binary compatibility, and tries to provide decent performance and stability.
We can use yum or dnf to install opencv-contrib on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install opencv-contrib.
Install opencv-contrib on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install opencv-contrib using yum by running the following command:
sudo yum -y install opencv-contrib
Install opencv-contrib on CentOS 8 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-contrib using dnf by running the following command:
sudo dnf -y install opencv-contrib
How To Uninstall opencv-contrib on CentOS 8
To uninstall only the opencv-contrib package we can use the following command:
sudo dnf remove opencv-contrib
References
Summary
In this tutorial we learn how to install opencv-contrib on CentOS 8 using yum and dnf.