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Equatorial stitching of hemispherical images in a spherical image capture system

  • US 10,650,487 B2
  • Filed: 06/24/2019
  • Issued: 05/12/2020
  • Est. Priority Date: 08/12/2015
  • Status: Active Grant
First Claim
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1. A method for stitching at least hemispherical images to generate a rectangular projection of a spherical image, the method comprising:

  • projecting a first circular image to a first rectangular image, the first rectangular image comprising (i) a first edge corresponding to a first portion of the first circular image and (ii) a second edge corresponding to a second portion of the first circular image;

    projecting a second circular image to a second rectangular image, the second rectangular image comprising (i) a first edge corresponding to a first portion of the second circular image and (ii) a second edge corresponding to a second portion of the second circular image;

    generating the rectangular projection of the spherical image by stitching the first edge of the first rectangular image with the first edge of the second rectangular image;

    dividing the rectangular projection of the spherical image into at least first and second portions;

    rotating each of the at least first and second portions of the rectangular projection clockwise or counterclockwise; and

    combining the rotated at least first and second portions, the combining comprising aligning an edge of the rotated first portion and an edge of the rotated second portion to be parallel with respect to each other to generate a re-oriented projection.

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