| 摘要 |
A hand-held device ( 10 ), comprising a computing application of the hand-held device which responds to directional commands of a user; an image registering unit to register a series of images; an image processing unit ( 162 ) to derive motion data from the series of images corresponding to translational and/or rotational movement of the hand-held device in free space; and a direction control unit ( 164 ) to convert the motion data into a directional command and to supply the directional command to the computing application. |
