Experience in the design and development of a game based on head-tracking input (2008)

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ABSTRACT
Tracking technologies, such as eye and head-tracking, provide novel techniques for interacting with video games. For instance, players can shoot with their eyes in a first person shooter using gaze-based input. Head-tracking systems allow players to look around a virtual cockpit by simply moving their head.

However, tracking systems are typically based on expensive specialized equipment. The prohibitive costs of such systems have motivated the creation of low-cost head-tracking solutions using simple web cameras and infrared light detection. In this paper, we describe our experience developing a simple shooting game which incorporates such low-cost head-tracking technology.