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Interactive educational system with light emitting controller

  • US 9,977,565 B2
  • Filed: 02/09/2015
  • Issued: 05/22/2018
  • Est. Priority Date: 02/09/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, at a computing device, image data from a camera;

    converting, by the computing device, the image data to a YUV color space;

    filtering, by the computing device, the converted image data based on intensity and a predetermined color to produce a filtered image, the filtered image being a binary black and white image; and

    determining, by the computing device, a location of light emitted from a controller from the filtered image, wherein determining the location of light emitted from the controller from the filtered image comprises finding the largest contour around the white in the filtered image, and fitting a circle to the largest diameter of the contour.

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