| 摘要 |
PROBLEM TO BE SOLVED: To freely switch, from an image display device side, communications between the image display device and multiple information processing devices from being active to being inactive, and vice versa.SOLUTION: When a multi-screen image obtained by combining multiple PC screens is projected onto a screen and a mode is switched to a multi-screen operation mode at a function mode control unit 2, a gesture recognition unit 3 detects movement of a hand of a user with respect to the multi-screen image, on the basis of an imaged multi-screen image and an image of the movement of the hand of the user, and distinguishes a screen specified to be active in the multi-screen image, on the basis of the movement of the hand, and a communication unit 8 requests a PC corresponding to the distinguished screen specified to be active, to transmit image data, and performs control so as not to accept an interruption request from PCs corresponding to screens not to be active. |
