HandsFree: a marker-free visual based input prototype for menu driven systems

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dc.contributor.advisor Dr. W.A. Clarke en
dc.contributor.author Visser, Willem
dc.date.accessioned 2010-03-10T06:18:47Z
dc.date.available 2010-03-10T06:18:47Z
dc.date.issued 2010-03-10T06:18:47Z
dc.date.submitted 2007-12
dc.identifier.uri http://hdl.handle.net/10210/3056
dc.description M.Ing. en
dc.description.abstract This dissertation proposes a marker-free visual based interface device to be used with menu driven systems. This system, called HandsFree, uses the Graphics Processing Unit (GPU) together with Shader technology to perform the image processing. HandsFree makes use of a web camera to gain user input without requiring elementary computer skills. Background subtraction was used to extract user input from the images. The problems usually obtained with background subtraction were overcome by using an averaging technique. Test results proved HandsFree to be robust against different coloured backgrounds and skin tones, different lighting intensity and sudden change in lighting intensity. en
dc.language.iso en en
dc.subject Image processing digital techniques en
dc.title HandsFree: a marker-free visual based input prototype for menu driven systems en
dc.type Thesis en

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