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PROVIDING MULTIPLE VIDEO SIGNALS FROM SINGLE SENSOR

  • US 20110310279A1
  • Filed: 08/29/2011
  • Published: 12/22/2011
  • Est. Priority Date: 10/04/2006
  • Status: Active Grant
First Claim
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1. A capture device to capture a stream of images to produce a video signal corresponding to a particular image scene, the capture device comprising:

  • a two-dimensional image sensor having a plurality of pixels;

    circuitry coupled to the two-dimensional image sensor to;

    (a) read a first group of pixels from the image sensor at a first frame rate to produce a first video signal of the particular image scene that is used to produce the video signal;

    (b) while reading the first group of pixels, read a second group of pixels from the image sensor that are different from the first group of pixels at a second frame rate to produce a second video signal of at least a portion of the particular image scene, wherein the first group of pixels surrounds on all sides the second group of pixels;

    (c) use the second video signal for adjusting one or more capture device parameters wherein the one or more capture device parameters effect a change in at least the first group of pixels; and

    (d) repeat (a) through (c) while capturing the stream of images to produce the video signal.

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