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Image processing methods and systems

  • US 20050169531A1
  • Filed: 01/30/2004
  • Published: 08/04/2005
  • Est. Priority Date: 01/30/2004
  • Status: Active Grant
First Claim
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10. A computer-readable medium containing a program that performs the steps of:

  • determining, for each of a plurality of different color channels, a channel gradient and a weighting factor associated with each color channel in an image;

    setting, for each pixel, a color gradient equal to one of said channel gradients having a maximum weighted magnitude based on said weighting factors;

    preliminarily identifying edges in said image by using said color gradients; and

    confirming said edges using at least one threshold.

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