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Quality metric-biased region-of-interest coding for video telephony

  • US 7,724,972 B2
  • Filed: 08/09/2005
  • Issued: 05/25/2010
  • Est. Priority Date: 03/01/2005
  • Status: Expired due to Fees
First Claim
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1. A method comprising generating, using a video encoding system, a quality metric for an encoded video frame containing a region of interest based on video fidelity of a preceding frame, perceptual quality of the preceding frame, and user preference for the region of interest, wherein the user preference indicates a value placed on visual quality of the region of interest by a user and further comprising allocating encoding bits between the region of interest and areas of the video frame that are not within the region of interest based at least in part on the quality metric.

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