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SYSTEM AND METHOD FOR HIGH DYNAMIC RANGE DEPTH CAPTURE USING MULTIPLE CAMERAS

  • US 20170142312A1
  • Filed: 11/02/2016
  • Published: 05/18/2017
  • Est. Priority Date: 11/12/2015
  • Status: Active Grant
First Claim
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1. A depth camera system comprising:

  • a processor;

    a plurality of cameras coupled to the processor and configured to have overlapping fields of view;

    a projection source coupled to the processor and configured to emit light toward the fields of view of the cameras; and

    memory coupled to the processor, the memory storing instructions that, when executed by the processor, cause the processor to;

    control the cameras to capture, concurrently, a plurality of first images during a first exposure interval, each of the cameras concurrently capturing a corresponding one of the first images;

    control the projection source to emit light at a first illumination level during the first exposure interval;

    control the cameras to capture, concurrently, a plurality of second images during a second exposure interval, each of the cameras concurrently capturing a corresponding one of the second images;

    control the projection source to emit light at a second illumination level during the second exposure interval, the second illumination level being different from the first illumination level;

    combine the first images with the second images to generate a depth map; and

    output the depth map.

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