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European signal processing Conference

作者： Fengyu Cong Anh Huy Phan Qibin Zhao Asoke K. Nandi Vinoo Alluri Petri Toiviainen Hanna Poikonen Minna Huotilainen Andrzej Cichocki Tapani Ristaniemi Department of Mathematical Information Technology University of Jyvaskyla Laboratory of Advanced Brain Signal Processing RIKEN Brain Science Institute Department of Electrical Engineering and Electronics The University of Liverpool Finnish Centre of Excellence in Interdisciplinary Music Research University of Jyvaskyla Cognitive Brain Research Unit Institute of Behavioral Sciences University of Helsinki

ISBN: (纸本)9781467310680

This study proposes a six-step approach to analyze ongoing EEG elicited by 512-second long natural music (modern tango). The spectrogram of the ongoing EEG was first produced, and then a fourth-order tensor including the spectrograms of multiple channels of multiple participants was decomposed via nonnegative tensor factorization (NTF) into four factors, including temporal, spectral and spatial components, and multi-domain features of all participants. We found one extracted temporal component by NTF significantly (p ＜ 0.01) correlated with the temporal course of a long-term music feature, 'fluctuation centroid';moreover, the power of posterior alpha activity was found to be associated with this temporal component. Hence, it looks promising to apply the proposed method for analyzing other ongoing EEG elicited by other natural stimuli.

关键词： EEG Ongoing Music Nonnegative tensor factorization Spectrogram

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Waves Field Prediction of Different Polarization Mode in Mine Tunnels Based on Modern Information technology

Waves Field Prediction of Different Polarization Mode in Min...

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International Conference on Advances in Computer science, Environment, Ecoinformatics, and Education

作者： Yao, ShanHua Wu, XianLiang Anhui University of Science and Technology Huainan China Key Laboratory of Intelligent Computing and Signal Processing Anhui University Hefei China

ISBN: (纸本)9783642233388

The propagation environment of electromagnetic waves in mine tunnels is confined areas. The mine tunnel is regard as wave-guide which contains kinds of un-beneficial medium, the field formulas of different polarization waves were presented based on Marcatili method, and field prediction of horizontal and vertical polarization waves were simulated. The results showed that propagation effect of vertical polarization waves was better than horizontal polarization wave in mine tunnels of breadth less than height, contrarily propagation attenuation of horizontal polarization waves were higher than vertical polarization waves in mine tunnels of height less than breadth, at the same time the field distribution would be influenced because of section dimension change.

关键词： electromagnetic wave propagation field prediction polarization mode mine tunnel

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Handwritten Arabic word recognition based on Ridgelet transform and support vector machines

Handwritten Arabic word recognition based on Ridgelet transf...

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International Conference on High Performance Computing and Simulation

作者： Nemmour, Hassiba Chibani, Youcef Signal Processing Laboratory Faculty of Electronic and Computer Science University of Science and Technology Houari Boumediene Algiers 16111 Algeria

ISBN: (纸本)9781612843810

We propose a method for handwritten Arabic word recognition based on the combination of the Ridgelet transform and SVMs. Ridgelets are used for generating pertinent features of handwritten words while the classification stage is based on the One-Against-All multiclass implementation of SVMs. The experimental investigation is conducted on a vocabulary of twenty-four words extracted from the IFN/ENIT database. The Ridgelet performance is assessed comparatively to the results obtained for Radon and uniform grid (zoning) features. Results highlight the reliability of the Ridgelet-SVM combination for handwritten Arabic word recognition. © 2011 IEEE.

关键词： Support vector machines

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Cooperative MIMO Channel Modeling and Multi-Link Spatial Correlation Properties

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IEEE Journal on Selected Areas in Communications 2012年第2期30卷 388-396页

作者： Xiang Cheng Cheng-Xiang Wang Haiming Wang Xiqi Gao Xiao-Hu You Dongfeng Yuan Bo Ai Qiang Huo Ling-Yang Song Bing-Li Jiao School of Electronics and Computer Science Peking University Beijing China Key Laboratory of Wireless Sensor Network & Communication Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences China State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University China Joint Research Institute for Signal and Image Processing School of Engineering & Physical Sciences Heriot-Watt University Edinburgh UK School of Information Science and Engineering South East University Najing China School of Information Science and Engineering Shandong University Jinan China State Key Laboratory of Rail Traffic Control and Safety Beijing Jiaotong University Beijing China

In this paper, a novel unified channel model framework is proposed for cooperative multiple-input multiple-output (MIMO) wireless channels. The proposed model framework is generic and adaptable to multiple cooperative MIMO scenarios by simply adjusting key model parameters. Based on the proposed model framework and using a typical cooperative MIMO communication environment as an example, we derive a novel geometry-based stochastic model (GBSM) applicable to multiple wireless propagation scenarios. The proposed GBSM is the first cooperative MIMO channel model that has the ability to investigate the impact of the local scattering density (LSD) on channel characteristics. From the derived GBSM, the corresponding multi-link spatial correlation functions are derived and numerically analyzed in detail.

关键词： MIMO Correlation Channel models Scattering Educational institutions Fading Adaptation models

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Lecture Notes in Computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in Computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2012年 7191 LNCS卷 V-VII页

作者： Cichocki, Andrzej Theis, Fabian Yeredor, Arie Zibulevsky, Michael Helmholtz Center Munich Institute of Bioinformatics and Systems Biology Ingolstädter Landstr. 1 85764 Neuherberg Germany Riken Brain Science Institute Laboratory for Advanced Brain Signal Processing 2-1 Hirosawa Wako-shi 351-0198 Saitama Japan Tel-Aviv University School of Electrical Engineering Tel-Aviv 69978 Israel Technion - Israel Institute of Technology Department of Computer Science Haifa 32000 Israel

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Implementation of chaotic pulse-position modulation on FPGA

Implementation of chaotic pulse-position modulation on FPGA

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Joint 3rd International Workshop on Nonlinear Dynamics and Synchronization, INDS'11 and 16th International Symposium on Theoretical Electrical Engineering, ISTET'11

作者： Dat, Nguyen Tien Hoang, Thang Manh Signal and Information Processing Laboratory School of Electronics and Telecommunications Hanoi University of Science and Technology Hanoi Viet Nam

In this paper an FPGA-based implementation of Chaotic Pulse Position Modulation (CPPM) is described. The model of transmission in noisy channel is demonstrated. The result shows the operation, performance and feasibil... 详细信息

ISBN: (纸本)9781457707599

关键词： Field programmable gate arrays (FPGA)

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Phase-Based Brain Consciousness Analysis

Phase-Based Brain Consciousness Analysis

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Annual International Conference of the IEEE Engineering in Medicine and Biology Society

作者： Ling Li David Looney Cheolsoo Park3 Toshihisa Tanaka Jianting Cao Danilo P. Mandic L. Li is with the School of Computing University of Kent Kent U.K. Department of Electrical and Electronic Engineering Imperial College London London SW7 2AZ U.K. Department of Bioengineering University of California San Diego 9500 Gilman Drive La Jolla CA 92093-0412 USA Department of Electrical and Electronic Engineering Tokyo University of Agriculture and Technology Tokyo 184-8588 Japan and also with the Laboratory for Advanced Brain Signal Processing RIKEN Brain Science Institute Saitama 351-0198 Japan Department of Electronic Engineering Saitama Institute of Technology Japan and also with the Laboratory for Advanced Brain Signal Processing RIKEN Brain Science Institute Saitama 351-0198 Japan

ISBN: (纸本)9781424441198

This work provides a novel framework for identifying coma and brain death consciousness states by analysing frequency power and phase synchrony features from electroencephalogram (EEG). The proposed analysis of pairs of EEG electrodes using complex extensions of Empirical Mode Decomposition (EMD) permits the extraction of information related to the state of the brain function. Analysis on 34 subjects in the coma and quasi-brain-death states suggests that phase synchrony constitutes a feasible feature to discriminate quasibrain- death from coma state. Thus, illustrate the effectiveness of the proposed methods for brain consciousness identification. The predictive power of the features extracted is evaluated by building classification models using support vector machine (SVM) and evaluation the models through receiver operating characteristic (ROC) analysis.

关键词： Phase-Based Consciousness Analysis

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Modified direct data domain approach without space-time aperture loss

Modified direct data domain approach without space-time aper...

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6th International Conference on radar, radar 2011

作者： He, Shun Yang, Zhiwei Liao, Guisheng Shan, Ouyang National Laboratory of Radar Signal Processing Xidian University 710071 China Communication and Information Engineering Collage Xi'An University of Science and Technology 710054 China Department of Communication and Information Engineering Guilin University of Electronic Technology 541004 China

ISBN: (纸本)9781424484416

We present herein a direct data domain approach without space-time aperture loss for airborne surveillance radar system. The approach is composed of three stages, i.e. reduced-resolution angle-Doppler image formation, full-dimension clutter subspace re-conformation and subspace projection. Simulation results confirm that the performance improvement achieved even secondary data-free, a feature that is particularly attractive for applications in heterogeneous environments. © 2011 IEEE.

关键词： Surveillance radar

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Polarization selectivity and optimization of thinned array for millimeter wave radar seeker with conformal phased array

Polarization selectivity and optimization of thinned array f...

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6th International Conference on radar, radar 2011

作者： Qi, Fei-Lin Liu, Jun China Electronics Technology Group Corporation No.20 Research Institute Xi'an 710068 China Key Laboratory for Radar Signal Processing Xidian University Xi'an 710071 China

ISBN: (纸本)9781424484416

A novel criterion for thinned array optimization based on optimal polarization (minimization of the cross-polarization level) is proposed to suppress the cross-polarization level and solve the problem of grating lobes arisen from thinned array in Millimeter wave conical phased array. The mathematical model based on the radiation pattern of the radar seeker polarization is developed firstly. Then the optimal polarization mode is chosen by comparing the cross-polarization level of circular polarization with that of linear polarization, and then two groups of basic parameters are determined. Finally, the modified particle swarm optimization algorithm is applied to optimize the configurations of the elements, while suppressing the grating lobes effectively. Simulation results verify the rationality of the proposed principle. © 2011 IEEE.

关键词： Millimeter waves

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Bi-iteration subspace tracking using instrumental variable

Bi-iteration subspace tracking using instrumental variable

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2011 International Conference on Mechatronic science, Electric Engineering and Computer, MEC 2011

作者： Nie, Wei-Ke Zhu, Cong-Guang Feng, Da-Zheng Liu, Jian-Qiang School of Information Science and Technology Northwest University Xi'an China No. 39 Institute China Electronics Technology Group Corporation Xi'an China National Laboratory of Radar Signal Processing Xidian University Xi'an China Faculty of Science Xidian University Xi'an China

ISBN: (纸本)9781612847221

This paper proposes an approximated power method to track the signal subspace. Using rank-one update model, the signal subspace can be obtained by finding the least square solutions of two unconstrained weight functions. As introduced in instrumental variable (IV), this bi-iteration algorithm can track signals corrupted by colored noise. Especially the tracking results are orthonormalized to get better performances. Some DOA simulations are provided to illustrate the effectiveness of the proposed method. © 2011 IEEE.

关键词： Array processing

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