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Noninvasive biosignal measurement of a subject in bed using ceramic sensors

Noninvasive biosignal measurement of a subject in bed using ...

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SICE Annual Conference

作者： Toshihiro Shino Kajiro Watanabe Kazuyuki Kobayashi Kaoru Suzuki Yosuke Kurihara System Control Engineering Department Faculty of Engineering Hosei University Koganei Tokyo Japan Department of Computer and Information Science Faculty of Science and Technology Seikei University Musashino Tokyo Japan

This paper describes a novel noninvasive method for sensing heartbeat, respiration and body-movement biosignals of a subject in bed by using ceramic piezo devices set under the legs of the bed.

ISBN: (纸本)9781424476428

This paper describes a novel noninvasive method for sensing heartbeat, respiration and body-movement biosignals of a subject in bed by using ceramic piezo devices set under the legs of the bed.

关键词： Heart beat Ceramics Leg Sensor phenomena and characterization Microphones Turning

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Leakage Proof and Noise Tolerant Domino Circuit Based on SEFG

Leakage Proof and Noise Tolerant Domino Circuit Based on SEF...

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2010 10th IEEE International Conference on Solid-State and Integrated Circuit technology(第十届固态和集成电路技术国际会议 ICSICT-2010)

作者： Wuchen Wu Jinhui Wang Xiaohong Peng Ligang Hou Na Gong VLSI & System Lab Beijing University of Technology Beijing 100124 China Department of Computer Science and Engineering State University of New York at Buffalo Buffalo 142

ISBN: (纸本)9781424457977

Utilizing the sleep switch transistor technique and dual threshold voltage technique, a source following evaluation gate (SEFG) based domino circuit is presented in this paper for simultaneously suppressing the leakage current and enhancing noise immunity. Simulation results show that the leakage current of the proposed design can be reduced by 43％, 62％, and 67％ while improving 19.7％, 3.4％, and 12.5％ noise margin as compared to standard low threshold voltage circuit, standard dual threshold voltage circuit, and SEFG structure, respectively. Also, the inputs and clock signals combination static state dependent leakage current characteristic is analyzed and the minimum leakage states of different domino AND gates are obtained.

关键词： dual threshold Noise margins leakage currents Extravasation gates voltage loop clock signal leakage Proof AND GATE noise immunity

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Web usage mining on the sequences of clicking patterns in a grid computing environment

Web usage mining on the sequences of clicking patterns in a ...

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International Conference on Machine Learning and Cybernetics (ICMLC)

作者： Chih-Hung Wu Yen-Liang Wu Yuan-Ming Chang Ming-Hung Hung Department of Electrical Engineering National University of Kaohsiung Kaohsiung Taiwan Tatung System Technologies Inc. Taipei Taiwan Department of Computer Center Fortune Institute of Technology Kaohsiung Taiwan

Analyzing user's browsing sequences is an important task of web usage mining. It can help the web administrators or designers improve the web structure or tune the performance of the web servers. Mining on the sequences of such clicking patterns (MSCP) can be considered as a data mining task. MSCP is usually a costly task due to its considerable amount of time for computation and storage for archiving a huge amount of data. Running MSCP becomes inefficient or even not workable on a computer with limited resources. This paper explores the deployment of MSCP in a distributed grid computing environment and demonstrates its effectiveness by empirical cases. The use of a grid-environment and associated experimental results are presented and discussed.

关键词： High definition video Random access memory Companies

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Shooting two birds with two bullets: How to find Minimum Mean OSPA estimates

Shooting two birds with two bullets: How to find Minimum Mea...

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International Conference on Information Fusion

作者： Marco Guerriero Lennart Svensson Daniel Svensson Peter Willett Research & Advanced System Design Department Electronica S.p.A. Italy Department of Signals and Systems Chalmers University of Technology Gothenburg Sweden Department of Electrical and Computer Engineering University of Connecticut USA

Most area-defense formulations follow from the assumption that threats must first be identified and then neutralized. This is reasonable, but inherent to it is a process of labeling: threat A must be identified and then threat B, and then action must be taken. This manuscript begins from the assumption that such labeling (A & B) is irrelevant. The problem naturally devolves to one of Random Finite Set (RFS) estimation: we show that by eschewing any concern of target label we relax the estimation procedure, and it is perhaps not surprising that by such a removal of constraint (of labeling) performance (in terms of localization) is enhanced. A suitable measure for the estimation of unla-beled objects is the Mean OSPA (MOSPA). We derive a general algorithm which provided the optimal estimator which minimize the MOSPA. We call such an estimator a Minimum MOSPA (MMOSPA) estimator.

关键词： Birds Target tracking Signal processing algorithms Joints Labeling Algorithm design and analysis

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A systematic gain setting method of the positive feedback anti-islanding scheme for inverter-based distributed generators

A systematic gain setting method of the positive feedback an...

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2010 International Conference on Power system technology: Technological Innovations Making Power Grid Smarter, POWERCON2010

作者： Wang, Xiaoyu Zhu, Shouzhen Yong, Jing Zheng, Jinghong Xu, Wilsun State Key Laboratory of Power Transmission Equipment and System Security and New Technology Chongqing University Chongqing 400044 China State Key Lab. of Power Systems Department of Electrical Engineering Tsinghua University Beijing 100084 China Department of Electrical and Computer Engineering University of Alberta Edmonton AB T6G 2V4 Canada

ISBN: (纸本)9781424459407

This paper proposes a systematic gain setting method for the positive feedback anti-islanding scheme which is designed to protect the interconnected inverter-based distributed generators (DGs) from islanding operation. Two main factors affecting the performance of the anti-islanding scheme are investigated when the positive feedback gain is tuned. One is the stability impact of the anti-islanding control on distributed generation (DG) systems and the other is the islanding detection time of the anti-islanding scheme. The small-signal model and the electromagnetic transient simulation model of an inverter-based DG system are developed to facilitate the realization of the proposed gain setting method. This method provides a practical and reliable tool for DG planning engineers. ©2010 IEEE.

关键词： Distributed power generation

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CantorSim: Simplifying Acceleration of Micro-architecture Simulations

CantorSim: Simplifying Acceleration of Micro-architecture Si...

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International Symposium on Modeling, Analysis and Simulation of computer and Telecommunication systems (MASCOTS)

作者： Zhibin Yu Hai Jin Jian Chen Lizy K. John Service Computing Technology and System Laboratory Cluster and Grid Computing Laboratory Huazhong University of Science and Technology Wuhan China Department of Electrical and Computer Engineering University of Texas Austin Austin TX USA

Many techniques have been developed to accelerate micro-architecture simulation since it is becoming increasingly urgent as the complexity of workloads and simulated processors increases. However, most of popular techniques need profiles or trial simulations to determine parameters before real simulations. When the number of dynamic instructions of workloads such as SPEC CPU2006 is huge, the profiles or trial simulations often take a long time. What's worse, any changes of benchmarks need to repeat the above work. This paper proposes a novel approach based on fractals to solve this problem. It employs the generation procedure of trisection Cantor Set, a classic fractal, to select instructions simulated in detail. We implement a simulator named CantorSim using the trisection Cantor fractal approach. The simulator is evaluated with benchmark programs from SPEC CPU2000 and SPEC CPU2006. We show that our approach is micro-architecture independent as the same parameter value for a single program yields similar results on processors with different configurations. The unified analytical model used to determine sampling parameters for different benchmarks indicates the proposed approach can save a lot of time for preparing parameters. On the other hand, for SPEC CPU2000 and SPEC CPU2006, CantorSim is slightly faster than SMARTSim. The validated average CPI relative errors of the SPEC CPU2000 and SPEC CPU2006 are 3.2% and 2.2% respectively. Therefore, our proposed approach can simplify acceleration of simulations significantly without sacrificing speed and accuracy.

关键词： Fractals Benchmark testing Acceleration Computational modeling Accuracy Predictive models Program processors

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Domino gate with modified voltage keeper

Domino gate with modified voltage keeper

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IEEE International Symposium on Quality Electronic Design

作者： Jinhui Wang Wuchen Wu Na Gong Ligang Hou VLSI and System Laboratory Beijing University of Technology Beijing China Department of Computer Science and Engineering State University of New York University at Buffalo Buffalo NY USA

ISBN: (纸本)9781424464548

Using both the modified supply voltage and body voltage, an optimized keeper technique is presented in this paper to tradeoff the performance of domino OR gates. The simulation results show that the novel technique can highly improve power/speed efficiency and robustness to noise. In addition, because of employment of body biased voltage, the optimized keeper technique enables to minimize effect of the strong process parameter variation.

关键词： Noise robustness Energy consumption Circuit noise Low voltage Crosstalk Leakage current Immune system Logic arrays Logic circuits Very large scale integration

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Design and analysis of high-inductance PMSG for wind system

Design and analysis of high-inductance PMSG for wind system

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Canadian Conference on Electrical and computer Engineering (CCECE)

作者： Mao Meiqin Lai Jidong Huang Ronggeng Linchen Chang Zhang Zhimao Chem Nayar Research Center of Photovoltaic System Engineering Hefei University of Technology Hefei Anhui China Curtin University of Technology Australia Department of Electrical and Computer Engineering University of New Brunswick Fredericton NB Canada

Fractional-slot concentrated windings are adopted to design a prototype of 10 kW permanent magnet synchronous generator (PMSG) with high-inductance in terms of requirements of a new wind power system based on current source converter. The generator characteristics at different operation modes are analyzed by finite element method. The simulation results show that the cogging torque is small with the sine wave of Back EMF and small fluctuation of output rectified DC current, which meet the requirements of wind power system based on current source converter.

关键词： Inductance Torque Stator windings Finite element methods Forging Windings

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Adaptive Background Modeling for Effective Ghost Removal and Robust Left Object Detection

Adaptive Background Modeling for Effective Ghost Removal and...

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International Conference on Information technology Convergence and Services (ITCS)

作者： Hwiseok Yang Yunyoung Nam We-Duke Cho Yoo-Joo Choi Department of Electrical and Computer Engineering Ajou University South Korea Center of Excellence for Ubiquitous System Ajou University South Korea Department of Newmedia Korean German Institute of Technology South Korea

A background model using image subtraction in an intelligent video surveillance system could make severe errors in detection and tracking of objects due to changes of natural phenomena such as shadows and wind. Adaptive background models have been proposed in order to solve these problems, but most previous methods can make a ghost and sometimes miss the left objects which have stopped moving for a while. In this paper, we propose an adaptive background method to robustly track left objects and to effectively remove ghosts. The proposed method is based on background subtraction using adaptive median filtering and background update using motion information. In this method, the background is firstly updated based on the motion information in a pixel unit and secondly updated again based on the contour of the objects in a non-motion region unit. The method prevents the left objects from absorbing into the background and removes the ghosts quickly. In the experiments, we prove an effectiveness of our method through the comparison with the previous adaptive median filtering background subtraction.

关键词： Pixel Image edge detection Adaptation model History Filtering Classification algorithms Tracking

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Using colour local binary pattern features for face recognition

Using colour local binary pattern features for face recognit...

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IEEE International Conference on Image Processing

作者： Jae Young Choi Konstantinos N. Plataniotis Yong Man Ro Image and Video System Laboratory Korea Advanced Institute of Science and Technology Daejeon South Korea Department of Electrical and Computer Engineering University of Toronto Toronto ONT Canada

In this paper, we propose a novel feature representation based on color-based Local Binary Pattern (LBP) texture analysis for face recognition (FR). The proposed method exploits both color and texture discriminative features of a face image for FR purpose. We evaluate the proposed feature using three public face databases: CMU-PIE, Color FERET, and XM2VTSDB. Experimental results show that the results of the proposed feature impressively better than the results of grayscale LBP and color features. In particular, it is shown that the proposed feature is highly robust against severe variations in illumination and spatial resolution.

关键词： Image color analysis Face Feature extraction Gray-scale Histograms Lighting Pixel

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