Application oriented semantic multi-touch gesture description method

Authors:
De-Xin Wang;Mao-Jun Zhang
Affiliations:
Department of System Engineering, College of Information System and Management, National University of Defense Technology, Changsha;Department of System Engineering, College of Information System and Management, National University of Defense Technology, Changsha
Venue:
ICIC'10 Proceedings of the Advanced intelligent computing theories and applications, and 6th international conference on Intelligent computing
Year:
2010

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Abstract

To make multi-touch gestures better fit applications and facilitate the recognition of multi-touch gestures, this paper presents an application oriented semantic multi-touch gesture description method. Multi-touch gestures are divided into atomic and combined gestures. The atomic gesture corresponds to a single trajectory and is represented by the shape feature of the trajectory; the combined gesture is consisted of multiple trajectories and modeled by atomic gestures with spatial, temporal and logical relationships. Semantic constraints of a specific application are added and represented by the accessible relationship between entity states and combined gestures. A description tool is developed and examples show that this method is independent of multi-touch platforms and system environments, and it can improve the recognition efficiency. It should be of significant utility to advance the use of multi touch technology.