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Multi-touch interaction is a more free interaction means, however, recent related applications limit in the 2D area, such as interaction desktop, shop window. For the applications in virtual exhibition, this paper proposes a 3D multi-touch recognition method. The different gestures firstly are defined for gesture recognition. Then a character recognition algorithm based on directions is presented to achieve the input and erasing gesture of characters. Further, based on a quantitative touch feedback mechanism, the three-dimensional multi-touch interaction algorithm is presented. Finally, we implement the multi-touch interaction display in different conditions, including moving, rotating, zoom for three-dimensional scene.
Image and Signal Processing (CISP), 2010 3rd International Congress on (Volume:3 )
Date of Conference: 16-18 Oct. 2010