Now, you need to install many dependencies, such as support for reading and writing image files, drawing on the screen, some needed tools, etc… This step is very easy, you only need to write the following command in the Terminal: OK, so the first step is to make sure that everything in the system is updated and upgraded: Also, we will install OpenCV with support for OpenGL, as well as reading and writing videos, access to a webcam, Python, C and C++ interfaces, and Intel Threading Building Blocks (TBB). We are going to setup OpenCV to use the new Qt highgui interface, which is much better than the simple highgui interface. This means that now is a great opportunity to update my OpenCV installation guide to the latest versions, Ubuntu 12.04 LTS and OpenCV 2.4.1. The latest Long Term Support version of Ubuntu(12.04 LTS) is out and a new version of OpenCV was released as well. EDIT: I published a new guide using Ubuntu 14.04 LTS and OpenCV 2.4.9 here.
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