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SIGNAL COMPRESSING SYSTEM

  • US 20110085595A1
  • Filed: 12/28/2010
  • Published: 04/14/2011
  • Est. Priority Date: 02/29/1992
  • Status: Active Grant
First Claim
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1. A video signal compression method comprising:

  • scanning a quantized set of video frequency coefficients of an individual sub-block according to a scanning pattern which is selected from a plurality of scanning patterns to produce a set of reordered coefficients;

    producing a scan selection signal indicating the scanning pattern of the scanned quantized set of video frequency coefficients;

    entropy encoding the set of reordered coefficients and outputting an entropy encoded signal; and

    transmitting the entropy encoded signal and the scan selection signal that is not entropy encoded.

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