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To reduce signal overhead, we present a bitmap coding method which just codes changing bits between two continuous bitmaps sent by the same peer. Our method has a novel characteristic that the smaller the bitmap exchange interval is, the shorter the coded sequence is. The average compression ratio of our method is 13.46:1 for real bitmaps crawled from PPLive. For the same bitmap crawled from UUSee,...
We present in this paper a simulation-based comparison of one of the best known multicast congestion control schemes - TFMCC - against our proposed adaptive smooth multicast protocol (ASMP). ASMP consists of a single-rate multicast congestion control, which takes advantage of the RTCP sender (SR) and receiver reports (RR) in order to adjust the sender's transmission rate in respect of the network...
In network delivery of compressed video, packets may be lost if the channel is unreliable. But in some real time video applications such as video conferencing and push to talk systems, time delay and Quality of Service are both very important. This makes the use of error resilience and flow control techniques necessary. In this paper, we propose a new approach for real-time video stream transporting...
The development of low-cost image/video sensors has enabled wireless multimedia sensor networks (WMSN). Equipped with the ability to collect images/video streams from surrounding environments, many interesting applications will emerge through the use of WMSN. One of the key targets of a WMSN application is reconstructing the Plenoptic function by using collected images. However, due to the characteristics...
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