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Concentric exposure sequence for image sensor

  • US 8,164,651 B2
  • Filed: 04/29/2008
  • Issued: 04/24/2012
  • Est. Priority Date: 04/29/2008
  • Status: Active Grant
First Claim
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1. A method for image capture comprising:

  • (a) providing an image sensor having at least one segmented row of a plurality of rows of pixels, wherein the at least one segmented row comprises at least first and second row subsets of pixels selected from every other pixels of the at least one segmented row, wherein a reset operation of the first row subset is independently controlled with respect to a reset operation of the second row subset, and wherein a readout operation of the first row subset is independently controlled with respect to a readout operation of the second row subset;

    (b) timing a first exposure interval of the first row subset to be photographically centered with a second exposure interval of the second row subset, the first exposure interval being different from the second exposure interval; and

    (c) combining image data obtained from exposure signals of the first and second row subsets to form a row of pixel values, wherein exposure signals of the plurality of rows of pixels are sequentially read in a row-by-row manner.

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