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In this research, three new consensus measure methods have been developed for group decision making problem in this research. One is a Markov chain based consensus measure method, the other is order based, and the last one is a similarity based consensus measure approach. The Markov chain based method takes the advantage of the steady state property of the Markov chain to generate the ideal consensus matrix. By measuring the similarity between the current peer evaluation matrix and the ideal one, we have the consensus value. The order based method is to measure the group preference order...

The problem how to convey maximum distinguishable video information while consuming minimum resources has long been investigated since Shannon's source channel separation theorem. The theorem is derived under the condition that all transmission errors can be corrected by the channel coding to an arbitrarily low probability. However, such a condition usually does not hold in a practical mobile video communication system given the limited resources, such as time, bandwidth, power and space. Therefore, the problem in a practical system can be formulated by "Given the source, channel, resources...