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Virtual Reality Research Overview

Figure shows the flow of information within a typical virtual reality system. The virtual environment is mapped to a representation which is then rendered and displayed to the user using various displays. The rendering process selects the perspective based on the movement of the user, allowing immersion in the virtual environment. In an augmented reality system the display of the virtual environment is superimposed over the image of the real environment. The user can interact with and affect the virtual environment through the user interface.

Feedback loop is one of the key elements of a virtual reality system. The system has to be responsive to user actions. In order to increase user involvement, the user`s psychological state can be assessed and taken into consideration when adapting the virtual environment.