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METHODS AND DEVICES FOR DATA COMPRESSION WITH ADAPTIVE FILTERING IN THE TRANSFORM DOMAIN

  • US 20120063691A1
  • Filed: 09/14/2011
  • Published: 03/15/2012
  • Est. Priority Date: 09/14/2010
  • Status: Active Grant
First Claim
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1. A method for calculating filter coefficients for use in encoding an image, the image including blocks of samples, the method comprising:

  • spectrally transforming the blocks of samples to obtain blocks of transform coefficients;

    for each of the blocks of samples, spectrally transforming a block of prediction samples to obtain a block of prediction transform coefficients; and

    generating a block of transform domain filter coefficients based upon the blocks of transform coefficients and the blocks of prediction transform coefficients.

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