计算机工程与应用2012,Vol.48Issue(2):130-132,172,4.DOI:10.3778/j.issn.1002-8331.2012.02.037
一种基于峭度的一单元ICA-R固定点算法
Fixed-point algorithm based on kurtosis for one-unit ICA-R
摘要
Abstract
One-unit ICA-R is an efficient method utilizing prior information to extract an expected source signal. A fixed-point algo-rithm for one-unit ICA-R is proposed when absolute value of kurtosis is considered as contrast function in this paper. The algorithm avoids the second derivative of contrast function and simpilifies operation accordingly. The fixed-point algorithm can converge faster than Newton fast algorithm based on kurtosis. At last, computer simulations verify the validity of the proposed algorithm.关键词
峭度/固定点算法/参考独立成分分析Key words
kurtosis/ fixed-point algorithm/ component analysis with reference分类
信息技术与安全科学引用本文复制引用
张守成,刘永凯..一种基于峭度的一单元ICA-R固定点算法[J].计算机工程与应用,2012,48(2):130-132,172,4.基金项目
国家自然科学基金(No.60672049). (No.60672049)