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Method of determining PSF using multiple instances of a nominally similar scene

  • US 8,243,996 B2
  • Filed: 11/30/2010
  • Issued: 08/14/2012
  • Est. Priority Date: 11/10/2004
  • Status: Active Grant
First Claim
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1. A method of extrapolating camera movement using multiple preview images, comprising:

  • capturing multiple preview images and a full resolution image, each with a same sensor, such that at least a same portion of said same sensor captures at least a portion of each of said full resolution image and said multiple preview images, within a temporal range that includes an exposure period of the full resolution image, and times proximately before and after said exposure period, and of approximately the same scene as that of the full resolution image;

    recording said images with a time stamp;

    determining time intervals between images;

    selecting one or more distinctive regions within at least one of the preview images;

    matching corresponding regions within the preview images;

    recording coordinates of each of the corresponding regions; and

    extrapolating camera movement as a function of time based on the time intervals between images and the coordinates of the corresponding regions within the preview images.

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