该系统利用先进的计算机视觉技术，获取并识别手指在屏幕上的位置，并通过特定算法将手指在屏幕上的物理坐标转换为计算机屏幕的逻辑坐标及控制指令，实现手指或指状物在大屏幕上的触摸、标注等控制功能。达到人机自然交互，摆脱了尺寸对触摸屏的限制。

　　特点:

　　1）本产品环境适应力强，排除了使用环境（温度、湿度）对触摸效果的影响。

　　2）屏幕大小可选，解决了普通触摸屏尺寸过小的问题。

　　3）本产品因其技术特点，具有超长的使用寿命，投影幕结实，可靠。

　　使用场合:

　　1） 大屏幕多媒体展览及信息查询

　　2） 展览场馆互动式展台

　　3） 楼宇大厅广播及查询系统

　　4） 星级影院互动数码橱窗系统

　　Interactive Big Screen:

　　The system uses advanced computer vision technology, access to and identify the finger on the screen the location and, through a certain algorithm finger on the screen of the physical coordinates into a computer screen coordinates of the logic of command and control, or the means to achieve finger - On the big screen on the touch, tagging and other control functions. Implementation of natural man-machine interaction, and got rid of touch-screen size on the restrictions.

　　Features:

　　1) This product environment resilient, ruled out the use of the environment (temperature, humidity) on the effects of touch.

　　2) screen size options to solve the common touch screen too small screen size of the problem.

　　3) The technical characteristics of their products, with long service life, projection screen solid and reliable.

　　Applications:

　　1) Large-screen multi-media exhibition and information.

　　2) Interactive booth exhibition venues.

　　3) Broadcasting Hall of buildings enquiry system.

　　4) Stars interactive digital cinema showcase system.