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System and method for very low frame rate video streaming for face-to-face video conferencing

  • US 20060215016A1
  • Filed: 03/22/2005
  • Published: 09/28/2006
  • Est. Priority Date: 03/22/2005
  • Status: Active Grant
First Claim
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1. A process for encoding video data for face to face video conferencing comprising the process actions of:

  • inputting a video frame of a video frame sequence some images of which contain a face;

    processing said video frame to locate said a face;

    if a face is found processing the face to locate features, but if no face is found no longer processing said frame;

    searching said face for features and using said found features to evaluate whether said frame is a good frame that should be encoded;

    if the frame is not a good frame, no longer processing that frame;

    subtracting said frame from said previously input frame to obtain a residual; and

    encoding said residual with a video encoder.

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