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Coding Gabor Features for Multi-Modal Biometrics

Coding Gabor Features for Multi-Modal Biometrics

引用

Chinese Conference on Pattern Recognition (CCPR)

作者： Linlin Shen Zhen Ji Yuwen Li Li Bai Shenzhen Key Laboratory of Embedded System Design School of Computer Science & Software Engineering Shenzhen University China Shenzhen Institute of Information Technology Shenzhen China School of Computer Science University of Nottingham UK

Although biometrics technology has progressed substantially, its performance is still to be improved for real applications. This paper aims to improve the accuracy of personal identification, when only single sample is registered as template, by integrating multiple hand-based biometrics. To make fusion much easier, the same feature, so called fusion code, and decision level fusion strategy are used. Two fusion cases, face & palmprint and FKP & palmprint were taken as examples to verify the effectiveness. Experimental results show that much better performance than single modal biometrics has been achieved.

关键词： Face Biometrics Feature extraction Databases Testing Biomedical imaging Accuracy

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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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Swarm intelligence applied basic research on ecological environment protection in the “Three-River Headwaters” region: A survey

Swarm intelligence applied basic research on ecological envi...

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World Congress on Intelligent Control and Automation (WCICA)

作者： Zhi-bin Xue Jian-chao Zeng Department of chemical machinery Chemical engineering college Qinghai University Xining China Complex System and Computer Intelligence Laboratory Taiyuan University of Science and Technology Shanxi China

Some potential research hotspot problems on swarm intelligence in the “Three-River Headwaters” region are surveyed form an artificial intelligence perspective. The scientific analysis and demonstration results in this paper confirm that the scheme that application of advanced artificial intelligent technology and the idea of circular economy in the regional economic development of the “Three-River Headwaters” region so as to make the rich resources can be effective utilization and realize the sustainable development which is feasible and accord with the requirement of the scientific development view.

关键词： Particle swarm optimization Global Positioning system Robots Artificial intelligence Educational institutions Economics Automation

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Performance evaluation of a PBIL-based power system damping controller

Performance evaluation of a PBIL-based power system damping ...

引用

Congress on Evolutionary Computation

作者： K. A. Folly G. K. Venayagamoorthy Department of Electrical Engineering University of cape Town South Africa Real-Time Power Intelligent System laboratory Department of Electrical and Computer Engineering Missouri University of Science and Technology Rolla MO USA

Recently Population-Based Incremental Learning (PBIL) algorithm has been applied to a range of problems in engineering with promising results. However, in most of the literature the standard PBIL with fixed learning rate has been used. It has been shown that when applied to dynamic environment as the one encountered in power systems, adaptive learning rate is more appropriate to use. In this paper, Population-Based Incremental Learning (PBIL) algorithm with adaptive learning rate is used to tune the parameters of a power system controller for damping power oscillations in a multi-machine power system. The optimization of controller's parameters has been performed over pre-specified range of system operating conditions. Robustness Evaluation of the proposed controller based on eigenvalue analysis and time domain simulation shows that the proposed controller is more robust than the conventional controller over the range of operating conditions considered.

关键词： Time domain analysis Analytical models Power generation Eigenvalues and eigenfunctions

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From scripts to specifications: the evolution of a flight software testing effort

From scripts to specifications: the evolution of a flight so...

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International Conference on Software engineering (ICSE)

作者： Alex Groce Klaus Havelund Margaret Smith School of Electrical Engineering and Computer Science Oregon State University Corvallis OR USA Laboratory for Reliable Software Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA Software System Engineering Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA

This paper describes the evolution of a software testing effort during a critical period for the flagship Mars Science laboratory rover project at the Jet Propulsion laboratory. Formal specification for post-run analysis of log files, using a domain-specific language, LogScope, replaced scripted real-time analysis. Log analysis addresses the key problems of on-the-fly approaches and cleanly separates specification and execution. Mining the test repository suggested the inadequacy of the scripted approach, and encouraged a partly engineer-driven development. LogScope development should hold insights for others facing the tight deadlines and reactionary nature of testing for critical projects. LogScope received a JPL Mariner Award for "improving productivity and quality of the MSL Flight Software" and has been discussed as an approach for other flight missions. We note LogScope features that most contributed to ease of adoption and effectiveness. LogScope is general and can be applied to any software producing logs.

关键词： Software Telemetry Space vehicles Laboratories Libraries Semantics

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Enhanced weakly trained frontal face detector for surveillance purposes

Enhanced weakly trained frontal face detector for surveillan...

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IEEE International Conference on Fuzzy systems (FUZZ-IEEE)

作者： Wael Louis K. N. Plataniotis Yong Man Ro Multimedia Laboratory Edward S. Rogers Department of Electrical and Computer Engineering University of Toronto Toronto Canada Image and Video System Laboratory Korea Advanced Institute of Science and Technology Daejeon South Korea

Face detection is becoming popular in surveillance applications; however, the need of enormous size face/non-face dataset, large number of features, and long training time are persistent problems. This paper claims that only a subset of the total number of features conserves the major power to detect faces; hence, this subset is capable to detect faces with high detection rate. The proposed detector fuses the results of two classifiers where one is trained with only 40 Haar-like features and the other is trained with only 50 LBP Histogram features. A pre-processing stage of skin-tone detection is applied to reduce the false positive rate. The detector is examined on real-life low-resolution surveillance sequence. Conducted experiments show that the proposed detector can achieve a high detection rate and a low false positive rate. Also, it outperforms Lienhart detector and tolerates wide range of illumination and blurring changes.

关键词： Feature extraction Face Detectors Histograms Pixel Training Face detection

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Electrical properties of nano-modified insulating vegetable oil

Electrical properties of nano-modified insulating vegetable ...

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Conference on Electrical Insulation and Dielectric Phenomena, (CEIDP)

作者： Zhaotao Zhang Jian Li Pin Zou Stanislaw Grzybowski State Key Laboratory of Power Transmission Equipment & System Security and New Technology Department of High Voltage and Insulation Engineering College of Electrical Engineering Chongqing University Chongqing China High Voltage Laboratory Department of Electrical and Computer Engineering Mississippi State University MS USA

Insulating vegetable oils are fire-resistant and environment-friendly liquid dielectrics. This paper presents a type of nano-modified insulating vegetable oil. The nano-modified insulating vegetable oil was prepared by homogeneous precipitation deposition of ferroferric oxide nano-particles. It was characterized by a laser nano-particle size analyzer. Its electric properties, including AC breakdown voltage, lightning impulse breakdown voltage, volume resistivity, relative permittivity, and dissipation factor were measured. Experiment results show that the ferroferric oxide nano-pariticles with proper content in oil improves the breakdown voltages, volume resistivity, and lightning impulse electrical strength of the insulating vegetable oil significantly.

关键词： Petroleum Lightning Voltage measurement Dielectrics Conductivity Permittivity Electrodes

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DAWN: Energy efficient data aggregation in WSN with mobile sinks

DAWN: Energy efficient data aggregation in WSN with mobile s...

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International Workshop on Quality of Service

作者： ShaoJie Tang Jing Yuan XiangYang Li Yunhao Liu GuiHai Chen Ming Gu JiZhong Zhao Guojun Dai Department of Computer Science Illinois Institute of Technology Chicago IL USA State Key Laboratory of Novel Software Technology NanJing University NanJing China Institute of Computer Application Technology Hangzhou Dianzi University China Department of Computer Science and Engineering HKUST China Key Laboratory of Information System Security Tsinghua University China Department of Computer Science and Engineering Xi'An JiaoTong University China

The benefits of using mobile sink to prolong sensor network lifetime have been well recognized. However, few provably theoretical results remain are developed due to the complexity caused by time-dependent network topology. In this work, we investigate the optimum routing strategy for the static sensor network. We further propose a number of motion stratifies for the mobile sink(s) to gather real time data from static sensor network, with the objective to maximize the network lifetime. Specially, we consider a more realistic model where the moving speed and path for mobile sinks are constrained. Our extensive experiments show that our scheme can significantly prolong entire network lifetime and reduce delivery delay.

关键词： Energy efficiency Wireless sensor networks Routing computer science Optical sensors Temperature sensors Laboratories Data engineering Power engineering and energy Network topology

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Interharmonics: Signaling processing issues and applications

Interharmonics: Signaling processing issues and applications

引用

IEEE General Meeting Power& Energy Society

作者： Alexandre B. Nassif Jing Yong Wilsun Xu Department of Electrical and Computer Engineering University of Alberta Edmonton AB Canada State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing China

This paper discusses the difficulties related to interharmonic measurement and characterization. A simple FFT-based signal processing tool is proposed to analyze time-varying interharmonics. This tool is generally effective in determining interharmonic frequencies and magnitudes for many signaling applications, overcoming some of the issues related to interharmonic measurement. The problem of interharmonic source identification is also addressed and the limitations of a widely accepted method, the power direction method, are discussed.

关键词： Indexes Harmonic analysis Frequency measurement Power system harmonics Power measurement Voltage measurement

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Requirements and calculating methods for maximum insulated conductor temperatures in oil-immersed transformers

Requirements and calculating methods for maximum insulated c...

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International Conference on High Voltage engineering and Application, ICHVE

作者： Taosha Jiang Stanislaw Grzybowski Jian Li Department of Electrical and Computer Engineering Mississippi State University MS USA State Key Laboratory of Power Transmission Equipment & System Security and New Technology Chongqing University Chongqing China

This paper gives a summary of the requirements and calculating methods for the maximum insulated conductor temperatures (usually referred to as hottest-spot temperature or hot spot temperature) in oil-immersed transformers. laboratory experiments were performed on a 5 kV, 100 kVA transformer using thermocouples during the short circuit heat run tests, and the measurements from the tests are employed to compare some of the methods mentioned in the paper.

关键词： Temperature measurement Oil insulation Power transformer insulation Load modeling Mathematical model Loading

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