Invention Grant
US09411433B2 Whiteboard display 有权
白板显示

Whiteboard display
Abstract:
A method includes receiving an image of a display surface from a pointing device having a camera with a field of view wider than a tip of the pointing device, processing the received image to identify an area on the display surface within the field of view of the camera, and identifying a position of the tip of the pointing device on the display surface as a function of the identified area on the display surface.
Public/Granted literature
Information query
Patent Agency Ranking
0/0