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Selective local transient improvement and peaking for video sharpness enhancement

  • US 20060285766A1
  • Filed: 12/29/2005
  • Published: 12/21/2006
  • Est. Priority Date: 06/20/2005
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • determining a frequency content associated with a pixel value in an image;

    linearly sharpening the pixel if the frequency content exceeds a threshold; and

    non-linearly sharpening the pixel if the frequency content does not exceed the threshold.

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