How to Install libOpenCV on CentOS

Introduction

LibOpenCV is a powerful open-source computer vision and machine learning software library. It provides a wide range of functions for real-time image processing, including object detection, facial recognition, and more. By installing libOpenCV on CentOS, you can leverage its capabilities to enhance your projects with advanced image processing features.

Step-by-Step Installation Guide

Step 1: Update System Packages

Before installing libOpenCV, it’s essential to ensure that your CentOS system is up to date. Run the following command to update the package repository:

sudo yum update

Step 2: Install Development Tools

Next, install the necessary development tools and libraries that are required to build libOpenCV from source. Use the following command to install them:

sudo yum groupinstall "Development Tools"
sudo yum install cmake git pkgconfig

Step 3: Download and Compile libOpenCV

Now, you can download the libOpenCV source code from the official repository and compile it on your CentOS system. Follow these steps:

1. Clone the libOpenCV repository:

git clone https://github.com/opencv/opencv.git
cd opencv

2. Create a build directory and navigate to it:

mkdir build
cd build

3. Configure the build with CMake:

cmake ..

4. Compile and install libOpenCV:

make
sudo make install

Step 4: Verify the Installation

To ensure that libOpenCV has been successfully installed, you can verify it by checking the version using the following command:

pkg-config --modversion opencv

Conclusion

Congratulations! You have successfully installed the libOpenCV library on your CentOS system. By incorporating libOpenCV into your projects, you can unlock a world of possibilities in computer vision and image processing applications.

The Importance of Open Source Software

Open source software, like libOpenCV, plays a crucial role in fostering innovation, collaboration, and accessibility in the tech industry. By making source code freely available, open source projects empower developers to learn, customize, and contribute to cutting-edge technologies. Supporting and utilizing open source software not only benefits individual projects but also contributes to the collective advancement of the global tech community.