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基于细胞自动机和QPSO的间接编码神经网络结构设计算法*

, PP. 148-155

Keywords: 神经网络结构设计,间接编码,细胞自动机,二进制量子化粒子群算法(BQPSO),量子化粒子群算法(QPSO)

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Abstract:

设计间接编码方案表达网络结构,利用二维细胞自动机中的元细胞表示网络连接存在与否,对元细胞的坐标和值分别演化,实现对网络结构的生长和剪枝.应用二进制量子化粒子群算法,采用特定的适应度函数,生成和进化元细胞的坐标.设计元细胞的邻域演化规则,演化元细胞的值.利用浮点量子化粒子群算法训练当前网络,逐步得到最终稳定网络结构及其参数.实验结果表明,当应用于不同规模的网络结构设计时,算法复杂度变化不大,并且具备稳定的收敛性能.

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