PPT demonstration assisting system based on Kinect

The invention provides a PPT demonstration assisting system and method based on Kinect in order to overcome the defects in an existing PPT demonstration assisting tool. A user can give a lecture without using a traditional mouse or a light pen, the motion range of the user is widened, and meanwhile a better man-machine interaction mode is provided. The PPT demonstration assisting system based on the Kinect mainly comprises a data acquisition module, a gesture recognition module, a position calculation module and a PPT function control module. The data acquisition module comprises the Kinect which is placed on a cloud deck and controls the rotating angle of the cloud deck through a motor, depth information and skeleton information are acquired through the Kinect, the depth information is used for calculating the position of the user (lecturer), and the skeleton information is used for gesture recognition. The gesture recognition module recognizes the gesture of the user (the lecturer) according to acquired dat