Implementing gaze tracking with a simple web camera
Abstract: Gaze tracking is a field within computer vision that has a large number of possible areas of application. However, much of the software available for gaze tracking is locked to licenses and/or certain equipment that can be expensive, hard to get a hold of, intrusive for the user, or simply impractical. The research within gaze tracking typically focuses on the theoretical models used to perform the tracking, rather than the software implementation of it. The purpose of this report is to make real-time gaze tracking systems more easily available to the common user and developer. Hence, this thesis explores a possible implementation of gaze tracking using C# in Visual Studio, with the help of a number of different libraries, only using a simple web camera as hardware. Further, the system is analyzed and evaluated by the precision of the subject’s eye movements which is projected on the screen. The resulting system is heavily inaccurate and imprecise but changing and adding a few key software components such as estimating the user’s head pose could vastly improve the accuracy and precision of the system.
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