Specular reflection reduction using multiple cameras

H - Electricity – 04 – N

Patent

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Details

H04N 13/00 (2006.01) H04N 13/04 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2674324

An interactive display system that includes an interactive display screen. An illuminator is positioned to illuminate one of the inner or outer surfaces of the display screen. At least two cameras are placed so as to view the illuminated surface of the display screen. Each of at least one of the cameras are positioned such that specular reflections from the illuminator are received by the camera. The images from the different cameras are merged to form a merged image in which specular reflections are reduced or even cancelled.

L'invention concerne un système d'affichage interactif qui comprend un écran d'affichage interactif. Une source d'éclairage est positionnée pour éclairer une parmi les surfaces intérieure ou extérieure de l'écran d'affichage. Au moins deux caméras sont positionnées afin de voir la surface éclairée de l'écran d'affichage. Chacune parmi au moins une des caméras est positionnée de sorte que des réflexions spéculaires à partir de la source d'éclairage sont reçues par la caméra. Les images provenant des différentes caméras sont fusionnées pour former une image fusionnée dans laquelle des réflexions spéculaires sont réduites ou même supprimées.

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