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APPARATUS AND METHOD FOR CAMERA-BASED COLOR MEASUREMENTS

  • US 20090185185A1
  • Filed: 01/22/2008
  • Published: 07/23/2009
  • Est. Priority Date: 01/22/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving light from a material at a digital imaging device;

    filtering the light into at least three spectral bands using a filter, wherein different regions of the filter pass different spectral bands;

    measuring the light in each of the spectral bands; and

    determining at least one calorimetric quantity associated with the material using the measured light in the spectral bands.

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