| 摘要 |
Apparatus for focusing a camera having an optic axis, an optic center and a field of view, to image a scene, the apparatus comprising: an illumination system controllable to illuminate substantially any region of interest (ROI) of the scene in the field of view of the camera with a relatively small fiducial spot of light; a ranging system configured to determine a range for the fiducial spot relative to the camera; and a controller that focuses the camera to a distance responsive to the determined range.
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