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题名:
Contrast Functions for Convolutive ICA of Complex-Valued Linear Processes
作者: Luo Yihan; Fu Chengyu
出版日期: 2009
会议名称: 2nd International Congress on Image and Signal Processing (CISP'09)
会议日期: 2009
通讯作者: Luo Yihan
中文摘要: Complex ICA for convolutive mixtures is a hot subject but is far from theoretically complete. In this paper, contrast functions for convolutive ICA of complex-valued processes, especially circular complex-valued linear processes, are studied and formulated in a general setting. The superadditive functional of class II in complex domain is defined and used to construct the contrast functions for convolutive ICA of circular complex-valued processes. It is also introduced how to construct the superadditive functional of class II for circular complex random variables, and an example is shown based on quadratic entropy. Finally, relevant issues are discussed and analyzed. Because of the lack of the theory of convolutive ICA in complex domain, this paper fills in the blank and indicates the way to design specific algorithms to solve this difficult problem.
英文摘要: Complex ICA for convolutive mixtures is a hot subject but is far from theoretically complete. In this paper, contrast functions for convolutive ICA of complex-valued processes, especially circular complex-valued linear processes, are studied and formulated in a general setting. The superadditive functional of class II in complex domain is defined and used to construct the contrast functions for convolutive ICA of circular complex-valued processes. It is also introduced how to construct the superadditive functional of class II for circular complex random variables, and an example is shown based on quadratic entropy. Finally, relevant issues are discussed and analyzed. Because of the lack of the theory of convolutive ICA in complex domain, this paper fills in the blank and indicates the way to design specific algorithms to solve this difficult problem.
收录类别: Ei
语种: 英语
文章类型: 会议论文
页码: 3789-3793
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7370
Appears in Collections:光电工程总体研究室(一室)_会议论文

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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Luo Yihan,Fu Chengyu. Contrast Functions for Convolutive ICA of Complex-Valued Linear Processes[C]. 见:2nd International Congress on Image and Signal Processing (CISP'09). 2009.
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文件名: 2009-272.pdf
格式: Adobe PDF
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