Combined MPEG-4 FGS and modulation algorithm for wireless video transmission

  • US 6,909,753 B2
  • Filed: 12/05/2001
  • Issued: 06/21/2005
  • Est. Priority Date: 12/05/2001
  • Status: Expired due to Fees
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First Claim
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1. A method of modulating a compressed video stream for variable-bandwidth transmission, wherein the compressed video stream uses Fine Granularity Scalable (FGS), the method comprising:

  • compressing a video stream received from a video stream source using a video compression with FGS to generate a compressed output video stream having a base layer and at least one enhancement layer, wherein the video compression is performed in response to a feedback control input signal received from a display, the feedback control signal for use in controlling a modulation and optimization of the compressed output video stream; and

    transmitting the compressed output video stream to the display.

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