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Camera modules patterned with pi filter groups

  • US 9,706,132 B2
  • Filed: 11/25/2015
  • Issued: 07/11/2017
  • Est. Priority Date: 05/01/2012
  • Status: Active Grant
First Claim
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1. An array camera module, comprising:

  • an M×

    N imager array comprising a plurality of focal planes, each focal plane comprising an array of light sensitive pixels;

    an M×

    N optic array of lens stacks, where each lens stack corresponds to a focal plane, and where each lens stack forms an image of a scene on its corresponding focal plane;

    wherein each pairing of a lens stack and its corresponding focal plane thereby defines a camera;

    wherein at least one row in the M×

    N array of cameras comprises at least one red color camera, at least one green color camera, and at least one blue color camera; and

    wherein at least one column in the M×

    N array of cameras comprises at least one red color camera, at least one green color camera, and at least one blue color camera;

    wherein M and N are each greater than two and at least one of M and N is even;

    wherein color filters are implemented within the cameras in the array camera module such that the array camera module is patterned with at least one π

    filter group comprising;

    a 3×

    3 array of cameras comprising;

    a reference camera at the center of the 3×

    3 array of cameras;

    two red color cameras located on opposite sides of the 3×

    3 array of cameras;

    two blue color cameras located on opposite sides of the 3×

    3 array of cameras; and

    four green color cameras surrounding the reference camera.

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