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arXiv cs/0503070cs.ITcond-mat.dis-nnmath.IT
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在密集连接系统中改进用于推理的消息传递

Improved message passing for inference in densely connected systems

Juan P. Neirotti, David Saad

摘要:

提出了一种改进的稠密连接系统的推理方法。该方法基于在变量之间传递压缩消息,表示微观消息的宏观平均值。我们扩展了以前的工作,在解决方案空间是连续的情况下,碎片发生的情况下,显示出有希望的结果。我们应用该方法的码分多址(CDMA)的信号检测问题,以证明其潜力。一个高效的实用算法也来自洞察力的基础上获得的分析。

英文摘要:

An improved inference method for densely connected systems is presented. The approach is based on passing condensed messages between variables, representing macroscopic averages of microscopic messages. We extend previous work that showed promising results in cases where the solution space is contiguous to cases where fragmentation occurs. We apply the method to the signal detection problem of Code Division Multiple Access (CDMA) for demonstrating its potential. A highly efficient practical algorithm is also derived on the basis of insight gained from the analysis.

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