The aim of the thesis is the implementation of a simple mobile robotic unit that can safely move around in a confined area. This system will also perceive faces in the space and greet them with synthetic speech. The system has been implemented using computer framework ROS and the Python programming language. In the first part we will present the mobile unit and the computer framework ROS, and in the middle part the methods and evaluation of the implemented system. The evaluation will be used to check the functioning of the operating methods and of the entire system. In conclusion, we will present the findings of the evaluations and possible options for the future system upgrades.
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