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Kinect Based Character Navigation in VR Game

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In this paper, we propose a technique of Kinect based character navigation in VR Game. As environment is supported by Kinect, we implement character navigation by player’s hand actions. Besides, we use markers to increase the effectiveness of hand action recognition. In our experiments, character’s rotations reaches 70% in accuracy. Straight movement and turning reach 98% in accuracy. | VNU Journal of Science: Comp. Science & Com. Eng., Vol. 32, No. 2 (2016) 23–30 Kinect Based Character Navigation in VR GameI Thi Chau Ma∗, Minh Duong Hoang VNU University of Engineering and Technology, E3 Building, 144 Xuan Thuy Street, Cau Giay, Hanoi, Vietnam Abstract VR game is a hot field because it provides practical experience for the player. However, in the game, players are usually required attaching special equipments. Those equipments are often very expensive. Moreover, many devices make players less flexible because they are attached to players. VR game using Kinect is a good choice because Kinect is affordable and not attached directly to the player. In this paper, we propose a technique of Kinect based character navigation in VR Game. As environment is supported by Kinect, we implement character navigation by player’s hand actions. Besides, we use markers to increase the effectiveness of hand action recognition. In our experiments, character’s rotations reaches 70% in accuracy. Straight movement and turning reach 98% in accuracy. Received 30 November 2015, revised 09 January 2016, accepted 14 January 2016 Keywords: Kinect application, hand recognition, VR games. 1. Introduction We are interested in games using Kinect because the type of these games gives players the flexibility and comfort while playing without exposure Kinect. Moreover, Kinect relatively low cost comparing with other devices such as, head mounted devices or data gloves. Kinectsupported games can be classified into two main categories. In the first type, entire bodies of players are identified to contribute and play games like audition games [2], or collision ball games [3]. In the second type, hand gestures are recognized to control games [4]. In our research, we want to make use of hand actions obtained by Kinect to navigate character in order to give players the freedom and comfort in playing games. However, the accuracy of the hand action recognition and the number of .