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OpenCV 2.4.9 JAVA/CPP/Python Installation in Ubuntu 14.04

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OpenCV2.4.9 installation in ubuntu is not straight forward , sometimes due to dependencies , some people won't be able to end with successful installation.In this guide, i will show you how to install OpenCV with a lot of the features it provides. Here are some of the things that are going to be enabled when you are finished following through with this installation tutorial:

1.) Qt version of the HighGUI module (Better 2D window interface with zoom, image saving capabilities, etc)
2.) OpenGL support
3.) C++ interface and examples
4.) C interface and examples
5.) Python interface and examples
6.) Java interface and examples

OK, so the first step is to make sure that everything in the system is updated and upgraded. Open the terminal and write this:

sudo apt-get update sudo apt-get upgradeNow, you need to install many dependencies, such as support for reading and writing image files, drawing on the screen, some needed tools, other libraries, etc… This step is very easy, you only nee…