| 摘要 |
A system ( 100 ) and method ( 160 ) for activating a touchless control is provided. The method can include detecting ( 162 ) a movement of a finger in a touchless sensing field, identifying ( 164 ) an activation cue in response to the finger movement, and activating ( 166 ) a touchless control of an object in response the activation cue. The method can include focusing the touchless sensing field ( 210 ) to produce a touchless projection space ( 220 ). An activation cue can be a positioning of a finger ( 302 ) within a bounded region ( 304 ) of the touchless projection space for a pre-determined amount of time. In one arrangement, cursor ( 124 ) navigation and control can be provided in accordance with touchless finger movements.
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