Video System for Determining a Location of a Body in Flight
Patent, Filed 5 Jun 1997, patented 17 Aug 1999
DEPARTMENT OF THE NAVY WASHINGTON DC
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A video system, comprising a pair of digital video cameras and a data processing system, which is used to determine the location of a golf ball during flight and the location of the golf ball when its flight is completed. The video cameras are fixedly mounted on a golf cart and boresighted to insure that the field of view for one camera overlaps the field of view for the other camera allowing the golf ball to be tracked after the golf ball is struck by the golfer. Each of the video cameras has an image array comprising a plurality of image sensing elements. As the golf ball travels along its flight path a light image of the golf ball is detected by at least one of the image sensing elements of the image array for each camera during a scan of the cameras image array. Each camera generates a data bit stream indicating the location of the image sensing elements on the image array which sense the golf balls light image for each scan of the image array. The data bit streams are supplied to the data processing system which then calculates the departure vector, a trajectory path and a circular impact probability CIP location for the golf ball when the golf ball lands on the golf course. A monitor provides the golfer with video data indicating the golf balls circular impact probability location.