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Edge area determining apparatus and edge area determining method

  • US 20070165953A1
  • Filed: 01/18/2007
  • Published: 07/19/2007
  • Est. Priority Date: 01/18/2006
  • Status: Abandoned Application
First Claim
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1. An edge area determining apparatus for a still image, the determining apparatus comprising:

  • a pixel edge determining part which determines a pixel edge area of a current frame and a pixel edge area of a previous frame in a unit of pixel;

    a block edge determining part which divides each of the current frame and the previous frame into a plurality of blocks, each of which comprises a plurality of pixels, and calculating block edge areas in a unit of block based on the pixel edge areas in each of the plurality of blocks; and

    an edge map generating part which generates an edge map based on the calculated block edge areas.

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