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Extended color processing on pelican array cameras

  • US 10,638,099 B2
  • Filed: 01/11/2019
  • Issued: 04/28/2020
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A method of generating an image of a scene using a camera array including at least one camera that captures an RGB image of a scene and at least one camera that captures near-infrared (IR) spectral wavelengths of the scene, the method comprising:

  • obtaining input images captured by a plurality of cameras that includes a camera that captures an RGB image and a camera that captures near-IR wavelengths, where the input images includes a first input image that includes image information captured in at least three channels (RGB) of information and a second input image that includes image information captured in at least a near-IR channel of information;

    generate a fused image using a processor configured by software to;

    measure parallax using the input images captured by the plurality of cameras to produce a depth map;

    normalize the second input image in the photometric reference space of the first input image;

    cross-channel normalize the first input image with respect to the second input image by applying gains and offsets to pixels of the first input image; and

    perform cross-channel fusion using the first input image and the second input image to produce an image.

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