Note: This tutorial has been tested on Ubuntu 12.04 LTS with OpenCV 2.4.3.
Install OpenCV on Ubuntu Linux is a bit long but very easy. Simply, follow these steps:
1. UPDATE AND UPGRADE UBUNTU
Open your terminal and execute:
2. INSTALL THE DEPENDENCIES
3. DOWNLOAD AND DECOMPRESS OPENCV
Enter the OpenCV official website and download the latest version for Ubuntu Linux. Then decompress the downloaded file.
4. COMPILE OPENCV
Now, in your terminal, make sure you are within the OpenCV directory and run the following commands:
5. CONFIGURE OPENCV
In your terminal, execute:
Add the following line and save it:
Now, in your terminal, execute:
Add the following two lines at the end of the file and save it:
Finally, reboot your computer.
6. TRY AN EXAMPLE
To test an example, from your terminal enters in the OpenCV folder. Once you're inside it enters in samples/c.