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Low power framework for processing, compressing, and transmitting images at a mobile image capture device

  • US 9,838,641 B1
  • Filed: 12/30/2015
  • Issued: 12/05/2017
  • Est. Priority Date: 12/30/2015
  • Status: Active Grant
First Claim
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1. An image capture device that has a low-power framework for processing imagery, the image capture device comprising:

  • an image sensor that provides high resolution raw image data;

    a temporary raw data buffer that temporarily stores the high resolution raw image data;

    a down sampler that down samples the high resolution raw image data to output low resolution raw image data;

    an imaging pipeline that streams the low resolution raw image data from the down sampler and processes the low resolution raw image data to generate low resolution versions of one or more first images;

    a temporary image buffer that temporarily stores the low resolution versions of the one or more first images;

    a scene analyzer that analyzes at least a portion of a scene depicted by at least one of the low resolution versions one or more first images and determines whether to store the one or more first images in a non-volatile memory or to discard the low resolution versions of the one or more first images from the temporary image buffer without storing the one or more first images in the non-volatile memory;

    an image compression component that compresses the one or more first images when the scene analyzer determines that the one or more first images should be stored in the non-volatile memory; and

    the non-volatile memory to which the one or more first images are written after compression.

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