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Methods and apparatus for controlling sensors to capture images in a synchronized manner

  • US 10,038,860 B2
  • Filed: 01/23/2017
  • Issued: 07/31/2018
  • Est. Priority Date: 10/18/2013
  • Status: Active Grant
First Claim
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1. A method of operating a camera device to scan a portion of a scene area of interest, the method comprising:

  • controlling a plurality of image sensors to scan the scene area of interest, said scanning including controlling image capture according to a scan position which progresses from a first region of the scene area of interest to a second region of the scene area of interest, said controlling including operating a first image sensor in said plurality of image sensors in rolling shutter mode to capture a row of pixel values corresponding to a current scan position when said first image sensor has a row of pixels corresponding to said current scan position, said current scan position changing over time, said controlling further including operating a second image sensor in said plurality of image sensors in rolling shutter mode to capture a row of pixel values corresponding to the current scan position when said second image sensor has a row of pixels corresponding to said current scan position;

    wherein said first image sensor corresponds to a first optical chain having a first focal length;

    wherein said second image sensor corresponds to a second optical chain having a second focal length which is different from the first focal length; and

    wherein said controlling includes controlling the rate at which pixel rows are scanned by the first and second image sensors as a function of the focal length of the individual optical chains to which the first and second image sensors correspond, the scan rate of the first sensor corresponding to the first optical chain having the first focal length being controlled to be different from the scan rate of the second sensor corresponding to the second optical chain having the second focal length.

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