Abstract - Nowadays, the usage rate of LCD beam projector is being increased because of good connection with a computer and various functions. But even though it has many functions, it is almost used only for display. Especially, in case of presentati...
Abstract - Nowadays, the usage rate of LCD beam projector is being increased because of good connection with a computer and various functions. But even though it has many functions, it is almost used only for display. Especially, in case of presentation user's action is limited by using mouse or remote controller. So in this paper pc-camera is used for more efficient usage of the beam projector and convenient user's action. And we have done research an indicator to carry out instruction transmission after fing out position from pc-camera and detect a position which is pointed by it.