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Human Face Orientation Based Non-WearabIe and NaturaI Human-Computer Interaction
Pages: 1583-1588
Year: Issue:  8
Journal: Acta Electronica Sinica

Keyword:  human-computer interactionfacial orientationnon-wearablefacial geometric model;
Abstract: A novel non-wearable human-computer interaction (HCI)method has been proposed based on facial orientation. An active shape model is employed to locate some feature points in the facial contour which can be able to overcome the effects of illumination and facial posture variation.Some redundant information can be simplified.Moreover,HCI can be made in a real time. After a 2D facial geometric model being built based on the maximal triangulation of facial contour features,a calibrated Kinect sen-sor is used to map the geometric model into 3D coordinate.In order to determine the interacting target,the normal direction of facial orientation is calculated dynamically by a temporal median filter.Non-wearable and natural HCI modal can be realized in which the user can move freely without wearing any equipment or auxiliary markers.Besides,the need of comfort and diversity can be met si-multaneously during HCI.Experiment results indicate that the developed approach is efficient and can be used to natural non-wear-able HCI.
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