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De-blocking filtering method of image data and de-blocking filter

  • US 20080095244A1
  • Filed: 10/17/2007
  • Published: 04/24/2008
  • Est. Priority Date: 10/20/2006
  • Status: Active Grant
First Claim
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1. A method for deblocking filtering of image data divided into a plurality of macro blocks, the method comprising the steps of:

  • computing Boundary Strength (BS) values for boundaries based on a selected direction of the image data, wherein the direction is selected from the group consisting vertical and horizontal directions;

    performing filtering based on the selected direction by using the computed BS values;

    estimating BS values for boundaries based on the unselected direction by using the computed BS values; and

    performing filtering based on the unselected direction by using the estimated BS values.

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