南京大学学报(自然科学版) ›› 2014, Vol. 50 ›› Issue (2): 219.
曾奎1, 何丽芳2, 杨晓伟1
Zeng Kui1, He Lifang2, Yang Xiaowei1
摘要: 为了传统的学习算法张量向量破坏原始数据固有的高阶结构和内在相关性,信息丢失产生高维向量,使得后期学习过程中容易出现过拟合、维度灾难和小样本问题。近年考虑到张量的高维性和高冗余性,提出基于多线性主成分分析的支持高阶张量机分类算法(Multilinear Principle Component Analysis ased Support High-Order Tensor Machine, MPCA+SHTM)。该算法首先利用多线性主成分分析对张量进行降维,然后利用支持高阶张量机对降维后的张量进行学习。在12个张量数据集上的实验表明:MPCA+SHTM在保持测试精度的情况下有效地降低了SHTM的计算时间。
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