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Automatic scene decomposition and optimization of MPEG compressed video

  • US 5,774,593 A
  • Filed: 02/26/1997
  • Issued: 06/30/1998
  • Est. Priority Date: 07/24/1995
  • Status: Expired due to Term
First Claim
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1. A method for detecting a scene change in compressed video data that represent a plurality of successive video frames, comprising the steps of:

  • (a) determining an interframe correlation between successive video frames of the compressed video data;

    (b) determining a measure indicative of a scene change between two successive video frames as a function of the interframe correlation between the two successive video frames; and

    (c) comparing the measure to a threshold value, and as a function of a difference between the measure and the threshold value, indicating whether the scene change has occurred between the two successive video frames.

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