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题名: Semi-blind source separation in smart home
作者: Liu, Mingfei; Li, Shouliang; Yang, Yi; Li, Caihong; Li, Lian
收录类别: EI
出版日期: 2016-09-02
会议名称: 2016 IEEE Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2016
会议日期: May 20, 2016 - May 22, 2016
会议地点: Chongqing, China
英文摘要: Source separation from instantaneous combinations of signal, so called observations, is a challenging problem in signal processing. Blind source separation (BSS) means that there is no information about the mixing matrix and observations. Blind source separation methods resort to very weak hypothesis concerning the source signals, as well as the mixing matrix. However, people often have priors on signals. A natural idea is to add these priors in the model, for simplifying or improving the separation methods. In this paper semi blind source separation (SBSS) based on least mean squares (LMS) and least squares (LS) was proposed to get the individual speech. LMS method was used to reduce noise traditionally, but in this paper we use it to separate mixed signals with some priors that will be explained in the introduction. Least squares method can also get better result in the condition of two speech signals mixed linearly with some prior knowledge. Meanwhile, in order to reduce noise, the SBSS method and the beamforming (BF) technology were combined to get better separation result in noisy environment. The result of simulation signals confirmed the feasibility of the method and it can be widely used in smart home. © 2016 IEEE.
关键词: Blind source separation ; Automation ; Beamforming ; Intelligent buildings ; Least squares approximations ; Mixing ; Signal processing ; Speech communication ; Least mean square(LMS) ; Least Square ; Least squares methods ; Noisy environment ; Prior knowledge ; Separation methods ; Simulation signals ; Speech signals
作者部门: (1) School of Information Science and Engineering, Lanzhou University, Lanzhou, China
通讯作者: Yang, Yi (yy@lzu.edu.cn)
学科分类: Buildings and Towers;Electromagnetic Waves in Relation to Various Structures;Information Theory and Signal Processing;Chemical Operations
会议录: Proceedings of 2016 IEEE Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2016
页码: 381-385
出版者: IEEE
语种: 英语
DOI: 10.1109/ITNEC.2016.7560386
EI记录号: 20164202910752
IR记录号: 20164202910752
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内容类型: 会议论文
URI标识: http://ir.lzu.edu.cn/handle/262010/184035
Appears in Collections:信息科学与工程学院_会议论文

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Recommended Citation:
Liu, Mingfei,Li, Shouliang,Yang, Yi,et al. Semi-blind source separation in smart home[C]. 见:2016 IEEE Information Technology, Networking, Electronic and Automation Control Conference, ITNEC 2016. Chongqing, China. May 20, 2016 - May 22, 2016.
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