G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 3/32 (2006.01) G01S 17/93 (2006.01) G05D 1/02 (2006.01)
Patent
CA 2105501
Abstract An imaging and ranging apparatus has a sensor unit comprising a video camera in combination with an optical range-finder. Typically the range-finder is an infrared laser and the camera is sensitive to visible light. The camera and the range-finder are arranged so that the optical axis of the camera is parallel or co-linear with the signal axis of the range- finder or so that the signal axis of the range-finder passes through the focal point of the camera. A pan and tilt motor are provided for aiming the sensor unit. The apparatus may be used as a robot head or mounted on the end of a manipulator. To aim the apparatus, radiation is imaged from the field of view of the camera. A patch is stored from said radiation image comprising an area of interest within the radiation image and an adjustment of the pan and tilt motors is estimated in order to relocate the patch to a position within said field of view where the patch is centered about the optical axis. The motors are then adjusted in accordance with the estimate and radiation is imaged from the field of view. A patch in the position centered about the signal axis is compared with the previously stored patch and, based upon the comparison, it is determined whether further adjustment of the motors is necessary.
Campbell Todd
Down Brian
Jasiobedzki Piotr
Jenkin Michael
Milios Evangelos
Campbell Todd
Down Brian
Jasiobedzki Piotr
Jenkin Michael
Milios Evangelos
LandOfFree
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