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Method and apparatus for compressing and analyzing video and for creating a reference video

  • US 5,627,765 A
  • Filed: 07/25/1994
  • Issued: 05/06/1997
  • Est. Priority Date: 07/25/1994
  • Status: Expired due to Fees
First Claim
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1. A method for compressing a sequence of a plurality of video frames on a computer system, comprising the steps of:

  • analyzing each of the frames to determine a value for a selected characteristic of each frame;

    assigning a characteristic value to each frame dependent on the analysis of the selected characteristic;

    establishing a threshold level related to a characteristic value;

    comparing the characteristic value of succeeding frames to preceding frames;

    deleting from the sequence those frames whose characteristic value is less than the threshold value;

    whereby the plurality of video frames are compressed into a video sequence the number of whose frames is reduced in number and;

    displaying the compressed video sequence.

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