Designing Technology Of Video Interactive Game

During the development of PC game, the game control method is changing from game joystick, keyboard to mouse. Up to now, a new kind interactive game is born based on PC video technology, which is called video interactive game. It is suitable for player to interact with virtual game role, becoming the tendency of developing PC games. The input device is a camera in a video interactive game; the player action is captured and used to control the game without keyboard and mouse. There are two kinds of video interactive games; one is realized by using a player image data as control reference, the other is realized by capturing a player action to control the game role directly, such as body moving left or right, jumping, arm striking left or right.OpenCV is founded in1999by Intel and supported by Willow Garage now. It is a computer video and image processing library including many C function and C++class, can be used under Linux, Windows and Mac OS. It is open for its source program code. There are many image processing and video processing algorithms in the library, it is suitable to be sued to develop PC video games.In this paper, the implementation technology of video interactive game is studied based on OpenCV. The running steps and theory of the game control port is introduced, the basic originality of the video interactive game is given, while some problems of processing the input image for game control is also analyzed. Other problems such as the effect of light condition and color contrast level as gathering image, the gathering result for different color spaces, noise and target confirmation etc are put forward different digital picture algorithms. On the base above, there are two sub-control ports for the game which is developed:Hand Gesture Recognition and Color Trace. The final effect of the game control and the practicability of the method are proved.The research features of the paper are that:(1). Static Hand Gesture Recognition Based On Hand Shaped Features;(2). Use typical CamShift algorithm to realize color trace, for the purpose of synchronizing the input of gesture signal;(3). Use double camera buffers and thread synchronizing technology to improve the game speed;(4). Game originality:Hands Dancing Game, which can motivate player’s hands to concert one’s action. This kind of game form makes full use of player’s body action when controls a game in stead of keyboard and mouse. There are five parts in the paper, the first introduces the research background, meaning and current situation at home and abroad; the second introduces the realizing methods of video interactive game; the third discusses the static hand gesture recognition based on hand shaped features; the fourth shows the program for realizing the game; the last summarizes the main works about the paper.