Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Haohong Wang0
Khaled Helmi El-Maleh0
Date of Patent
May 25, 2010
0Patent Application Number
111997730
Date Filed
August 9, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The disclosure is directed to techniques for region-of-interest (ROI) coding for video telephony (VT). The disclosed techniques include a technique for generation of a quality metric for ROI video, which jointly considers a user's degree of interest in the ROI, ROI video fidelity, and ROI perceptual quality in evaluating the quality of an encoded video sequence. The quality metric may be used to bias ROI coding and, in particular, the allocation of coding bits between ROI and non-ROI areas of a video frame.
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