Intensity-based depth sensing system and method
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United States of America Patent
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Feb 20, 2018
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app pub date -
Feb 23, 2015
filing date -
Feb 23, 2015
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Abstract
A system for determining a depth image representing distances to points of a scene includes a light source for generating and directing a set of light pulses toward the scene and a set of sensors for detecting and integrating light reflected from the scene. Each sensor is associated with a point in the scene and generates a signal indicative of an amount of light reflected from the point in the scene and reaching the sensor during a period of time. The system includes at least one processor for coordinating operations of the light source and the set of sensors and for determining the depth image having intensity values representing the distances to the points in the scene. The processor commands the light source to generate the set of light pulses including a first pulse with a first intensity profile having portions of identical lengths with different integrated intensities.
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