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Low power framework for controlling image sensor mode in a mobile image capture device

  • US 10,225,511 B1
  • Filed: 12/30/2015
  • Issued: 03/05/2019
  • Est. Priority Date: 12/30/2015
  • Status: Active Grant
First Claim
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1. A resource-efficient image capture device, the image capture device comprising:

  • an image sensor that provides raw image data, the image sensor operable to receive an image sensor control signal and to adjust, based at least in part on the image sensor control signal, at least one of a frame rate and a resolution of the image sensor;

    an imaging pipeline that streams the raw image data and processes the raw image data to generate one or more first images;

    a temporary image buffer that temporarily stores the one or more first images; and

    a scene analyzer that analyzes a scene depicted by at least one of the one or more first images and, based at least in part on such analysis, causes the image sensor control signal to be provided to the image sensor to adjust at least one of the frame rate and the resolution of the image sensor;

    wherein the scene analyzer is operable to determine a desirability of the scene depicted by the at least one of the one or more first images;

    wherein when the scene analyzer determines that the scene depicted by the at least one of the one or more first images is desirable, the scene analyzer causes the image sensor control signal to be provided to the image sensor to increase at least one of the frame rate or the resolution at which the image sensor provides the raw image data; and

    wherein when the scene analyzer determines that the scene depicted by the at least one of the one or more first images is not desirable, the scene analyzer causes the image sensor control signal to be provided to the image sensor to decrease at least one of the frame rate or the resolution at which the image sensor provides the raw image data.

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