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Packets in a video bitstream contain data with different levels of importance that yield unequal amounts of quality distortion when lost. In order to avoid sharp quality degradation due to packet loss, we propose in this paper an error resilience method that is applied to the region of interest (RoI) of the picture. This method protects the RoI while not yielding significant overhead. We perform an...
We propose a unidirectional communication system capable of pushing information from audio speakers to nearby audience via acoustic channels. Though constrained by short transmission distances and low data throughput of sound waves, information push services based on acoustic channels can be regarded as a cost-free message delivery scheme since music playback systems and handheld devices equipped...
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