Auto range control for active illumination depth camera
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United States of America Patent
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Feb 23, 2021
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N/A
app pub date -
Sep 11, 2019
filing date -
Dec 21, 2015
priority date (Note) -
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Abstract
A method and apparatus for auto range control are described. In one embodiment, the apparatus comprises a projector configured to project a sequence of light patterns on an object; a first camera configured to capture a sequence of images of the object illuminated with the projected light patterns; a controller coupled to the projector and first camera and operable to receive the sequence of images and perform range control by controlling power of the sequence of light patterns being projected on the object and exposure time of a camera based on information obtained from the sequence of images captured by the camera.
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