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Sensor data rescaler for image signal processing

  • US 9,756,266 B2
  • Filed: 12/21/2015
  • Issued: 09/05/2017
  • Est. Priority Date: 07/31/2014
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an image signal processor comprising an image processing pipeline for processing images captured by an image sensor; and

    an input rescaler configured to;

    receive sensor data for an image at two pixels per clock according to an image sensor format that represents different color channels as separate pixels;

    demosaic the received sensor data at two pixels per clock to generate color space data according to a color space that includes two or more color channels in each pixel;

    resample the color space data to downscale the color space data and to reduce the color space data to one pixel per clock;

    remosaic the downscaled color space data at one pixel per clock to generate downscaled sensor data according to the image sensor format; and

    output the downscaled sensor data to the image processing pipeline of the image signal processor at one pixel per clock.

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