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Chroma-key color range determination

  • US 5,774,191 A
  • Filed: 06/26/1996
  • Issued: 06/30/1998
  • Est. Priority Date: 06/26/1996
  • Status: Expired due to Term
First Claim
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1. A method for performing chroma-key processing on images, comprising the steps of:

  • (a) receiving a first set of image signals comprising one or more components;

    (b) generating a histogram for each of one or more of the components;

    (c) generating a chroma-key color range from each histogram of the one or more histograms; and

    (d) performing chroma-key processing on a second set of image signals using the chroma-key color range.

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