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Method for compression and decompression of a video signal

  • US 5,835,147 A
  • Filed: 11/15/1996
  • Issued: 11/10/1998
  • Est. Priority Date: 11/19/1995
  • Status: Expired due to Term
First Claim
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1. A method for transmitting a sequence of images, the method comprising the steps of:

  • a. having previously defined that said sequence of images comprises a plurality of frame segments and that each of said segments comprises two types of images, update frames and intermediate frames;

    b. encoding and transmitting said sequence of images, the step of encoding and transmitting comprising the steps of;

    i. when a update frame is present, compressing and transmitting said update frame;

    ii. when an intermediate frame is present, generating and transmitting intermediate global motion parameters describing motion between said update frame and said intermediate frame;

    c. decoding said transmitted sequence of images, comprising the steps of;

    i. when said compressed update frame is received, decompressing said compressed update frame to produce a transmitted update frame;

    ii. when said intermediate motion parameters are received, warping said transmitted update frame with said intermediate motion parameters thereby to produce a transmitted intermediate frame.

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