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Fast edge-oriented image interpolation algorithm

  • US 20050058371A1
  • Filed: 09/11/2003
  • Published: 03/17/2005
  • Est. Priority Date: 09/11/2003
  • Status: Active Grant
First Claim
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1. An image interpolating method, wherein low resolution pixels Yij of an image are zoomed to high resolution pixels Y2i,2j, comprising:

  • receiving the low resolution pixels Yij;

    determining a homogenous area and an edge area of the image based on pixel differences of the pixels Y2i,2j in comparing with a threshold;

    interpolating the low resolution pixels belonging to the homogenous area into the high resolution pixels by a first interpolating algorithm; and

    interpolating the low resolution pixels belonging to the edge area into the high resolution pixels by a second interpolating algorithm.

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