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In this paper we introduce a novel technique for modeling and recognizing gesture signals in 2D space. This technique is based on measuring the direction of the gradient of the movement trajectory as features of the gesture signal. Each gesture signal is represented as a time series of gradient angle values. These features are classified by applying a given classification method. In this article we...
Many software systems would significantly improve performance if they could adapt to the emotional state of the user, for example if intelligent tutoring systems, ATM's and ticketing machines could recognise when users were confused, frustrated or angry they could provide remedial help so improving the service. This paper presents research leading to the development of Easy with Eve, an affective...
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