Self-organization of two interacting winner-take-all systems

Self-organization of two interacting winner-take-all systems
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两个相互作用的赢家通吃系统的自组织

DOI:
10.1109/ijcnn.2010.5596326
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发表时间:
2010
期刊:
IEEE International Joint Conference on Neural Network
影响因子:
--
通讯作者:
Junmei Zhu
Junmei Zhu
中科院分区:
--
文献类型:
--
作者:
Junmei Zhu

文献摘要

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赢家通吃(WTA)网络在大脑的计算模型中无处不在。WTA系统确定其最大输入。如果输入空间是多个因子的乘积,则在乘积空间中的搜索可能是昂贵的,在这种情况下,对边际因子进行计算是有吸引力的。在本文中,我们研究了两个相互作用的WTA系统的组织,每个因素之一。我们给出了这个系统的不动点的分析结果,并说明了两个因素的相对收敛速度的几个问题。
Winner-take-all (WTA) networks are ubiquitous in computational models of the brain. A WTA system determines its largest input. If the input space is the product of multiple factors, search in the product space can be expensive, in which case it is computationally attractive to work on the marginal factors. In this paper we study the organization of two interacting WTA systems, one for each factor. We give analytical results on the fixed points of this system, and illustrate a few issues on the relative speed of convergence of the two factors.