| 摘要 |
Methods and systems enable a user to interact with a computing device by tracing a gesture on a surface with a laser beam. The computing device may be equipped with or coupled to a projector and a digital camera. The projector may project an image generated on the computing device on a projection surface which the camera images. Location and movement of a laser spot on the projection surface may be detected within received camera images. The projected image and the received camera image may be correlated so that the computing device can determine the location of a laser spot within the projected image. Movements of the laser spot may be correlated to predefined laser gestures which may be associated to particular functions that the computing device may implement. The functions may be similar to other user interface functionality. The function results may be displayed and projected.
|
