NASA NTRS · 20080025650
Video sensor with range measurement capability
Abstract
A video sensor device is provided which incorporates a rangefinder function. The device includes a single video camera and a fixed laser spaced a predetermined distance from the camera for, when activated, producing a laser beam. A diffractive optic element divides the beam so that multiple light spots are produced on a target object. A processor calculates the range to the object based on the known spacing and angles determined from the light spots on the video images produced by the camera.
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Briscoe, Jeri M., Corder, Eric L., Howard, Richard T., Broderick, David J.. 2008-05-20. Video sensor with range measurement capability. https://ntrs.nasa.gov/citations/20080025650
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