Multimedia communications protocols and applications
Multimedia communications protocols and applications
Numerical Recipes in C: The Art of Scientific Computing
Numerical Recipes in C: The Art of Scientific Computing
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This paper discuses object modeling, coding, and transmission for multimedia communications in the desktop environment. To reduce video quality degradation caused by coding distortion and networking. errors, we consider the compression and transmission of multimedia signals in a joint fachion. First, a three-level signal representation model is developed to connect 3-D graphics with video pixel information through 2-D object shapes, Second, nonrigid facial motion is modeled and is used to synthesize video images. Third, the video coding rates are adapted based on feedback of the network states and receivers.