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Apparatus and methods for rolling shutter compensation for multi-camera systems

  • US 10,560,633 B2
  • Filed: 07/20/2018
  • Issued: 02/11/2020
  • Est. Priority Date: 10/29/2015
  • Status: Active Grant
First Claim
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1. A computerized system configured to obtain composite images, the system comprising:

  • a processor adapted to execute a plurality of computer instructions; and

    non-transitory storage medium including the plurality of the computer instructions which, when executed by the processor, cause the processor to;

    obtain component images, the component images including a first component image captured by a first imaging sensor and a second component image captured by a second imaging sensor on a row-by-row basis, the row-by-row capture of the component images resulting in capture of individual rows of the component images at different acquisition times;

    generate a first composite image by performing a first transformation operation on the component images, wherein the first component image includes an overlapping area that corresponds to an overlap between the first component image and the second component image;

    for at least some pixels in the overlapping area of the first composite image, determine corresponding rows in at least one of the component images such that for a first set of pixels in the first composite image a first row of the first component image is determined to be corresponding;

    determine acquisition times of the at least one of the component images associated with row locations corresponding to the pixels in the first composite image such that a first acquisition time is determined for the first row of the first component image;

    determine orientation of the first imaging sensor based on the acquisition times and orientation information of the first imaging sensor such that a first orientation of the first imaging sensor is determined for capture of the first row of the first component image by the first imaging sensor based on the first acquisition time; and

    perform a second transformation operation on the first component image based on the first orientation of the first imaging sensor to generate a second composite image such that the second transformation operation compensates for the row-by-row basis capture of the first component image and the orientation of the first imaging sensor.

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