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3rd International Conference on Manufacturing Engineering and Process, ICMEP 2014

作者： Lin, Xin Yi Xue, Yan Bing Guo, Bao Hong Key Laboratory of Computer Vision and System Ministry of Education University of Technology Tianjin China Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology Tianjin University of Technology Tianjin China

ISBN: (纸本)9783038350842

This paper puts forward a visual method of detecting pop-cans based on AdaBoost Algorithm. This method, is basing on the idea of AdaBoost Algorithm, and we use Haar Feature and LBP Feature to extract pop-can characteristics respectively. Finally we compare the differences of the training processes and the experiment results between these two detectors. It shows that these pop-can detectors that are trained by this visual method have high detection rate and speed. © (2014) Trans Tech Publications, Switzerland.

关键词： Adaptive boosting

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City-Level Geolocation Based on Routing Feature

City-Level Geolocation Based on Routing Feature

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International Conference on Advanced Information Networking and Applications (AINA)

作者： Fan Zhao Yuhan Song Fenlin Liu Ke Ke Jingning Chen Xiangyang Luo Zhengzhou Information Science and Technology Institute China National Digital Switching System Engineering and Technological R&D Center Zhenazhou Henan China Zhengzhou Information Science and Technology Institute State Key Laboratory of Mathematical Engineering and Advanced Computing Zhengzhou Henan China

For the problem that traditional approaches for IP geolocation based on delay measurement are difficult to apply to network with weak connectivity such as China's Internet, in this paper, we utilize its hierarchical topology and proposed an approach of City-level geolocation based on routing feature. Taking IPs with known geographical location as reference nodes, this approach extracts identifying IPs of candidate regions or cities based on decision tree learning algorithm. We match the path of the target with IPs above called identifying features, and then select the region or city whose identifying feature is contained on the target's path as geolocation result. This approach improves the average accuracy for the Internet with weak connectivity hierarchical topology to 93% vs. 73% for the previous learning-based geolocation approach.

关键词： Geology Cities and towns IP networks Delays Internet Topology Network topology

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A Tumor Detection Method Based On WCE Image Textures

A Tumor Detection Method Based On WCE Image Textures

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2015 International Conference on Software, Multimedia and Communication Engineering(SMCE 2015)

作者： Shang-bo ZHOU Han YANG Cheng-liang WANG Jian-ying BAI Chao-qiang FAN Jie XU Key Laboratory of Dependable Service Computing in Cyber Physical Society Ministry of Education Chongqing University College of Computer Science Chongqing University Department of Gastroenterology Xinqiao HospitalChongqing Chongqing Jinshan Science & Technology Co Ltd.

Wireless capsule endoscopy(WCE) has been gradually applied in hospitals due to its great advantage. This paper addresses the problem of automatic detection of tumor for WCE images. Firstly, the Level Set Method is utilized to searching suspected tumors in WCE images. Fractional Fourier Transform(FRFT) is applied on the region of the suspected tumors. Then suspected tumor textures of frequency domain are analyzed with the Normalized Gray Level Co-occurrence Matrix(NGLCM) model. After the texture character is abstracted, we use it to determine whether a tumor appears in the image or not. The proposed method does not rely on any learning-based classifier, and it can save plenty of time in train samples. Extensive experiments validate that the proposed method achieves coverage of 95.6% and accuracy of 85.0% and is a promising tumor detection.

关键词： Wireless Capsule Endoscopy(WCE) Tumor Level Set Method(LSM) Texture feature

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Accurate vehicle detection and counting algorithm for traffic data collection

Accurate vehicle detection and counting algorithm for traffi...

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International Conference on Connected Vehicles and Expo (ICCVE)

作者： Ye Tian Yangli Wang Rui Song Huansheng Song State Key Laboratory of Integrated Service Networks Xidian University Xi'an P.R. China Key Laboratory of Infrared System Detection and Imaging Technology Chinese Academy of Sciences Shanghai P.R. China Department of Electronic and Information Engineering Chang'an University Xi'an P.R. China

ISBN: (纸本)9781509002658

Number of vehicles on road is very important traffic data and is essential for transportation safety and management. In this paper, an approach for vehicle detection is presented. In this approach, virtual line based sensors which are just straight detection lines are first set on road lanes. Then two features, namely gradient and range feature, are proposed for vehicle detection. This is carried out by extracting and analyzing the two features on detection lines. Meanwhile, the solution for vehicle occlusion have also been proposed. Our proposed method has an outstanding advantage that it performs excellent in traffic jams as well as under various conditions, such as sunny, cloudy, and rainy days, or night time, or even tunnels with complex illumination. The high accuracy rate of our method is verified with the experiment results.

关键词： Vehicles Feature extraction Vehicle detection Roads Delays Video sequences Connected vehicles

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Enhanced LCCG: A novel test clock generation scheme for faster-than-at-speed delay testing

Enhanced LCCG: A novel test clock generation scheme for fast...

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Asia and South Pacific Design Automation Conference

作者： Songwei Pei Ye Geng Huawei Li Jun Liu Song Jin Beijing University of Chemical Technology Beijing 100029 China Key Laboratory of Computer System and Architecture Institute of Computing Technology Chinese Academy of Sciences Beijing CN School of Computer and Information University of Technology Hefei China School of Electrical and Electronic Engineering North China Electric Power University Baoding China

ISBN: (纸本)9781479977932

On-chip faster-than-at-speed delay testing provides a promising way for small delay defect detection. However, the frequency of on-chip generated test clock would be impacted by process variations. Hence, it requires determining the actual frequency of generated test clock to ensure the effectiveness of faster-than-at-speed delay testing. In this paper, we present a novel test clock generation scheme, namely Enhanced LCCG, for faster-than-at-speed delay testing. In the proposed scheme, faster-than-at-speed test clock is firstly generated by configuring the corresponding control information specified in the test pattern into Enhanced LCCG. Then, by constructing oscillation paths and counting the corresponding oscillation iteration numbers, the actual frequency of test clock can be measured and calculated with high resolution. Experimental results are presented to validate the proposed method.

关键词： Delays Clocks Oscillators Testing Frequency measurement Logic gates

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Improved low energy adaptive clustering hierarchy protocol based on local centroid bat algorithm

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Sensor Letters 2014年第9期12卷 1372-1377页

作者： Cao, Yang Cui, Zhihua Li, Feixiang Dai, Chaohua Chen, Weirong Complex System and Computational Intelligence Laboratory Taiyuan University of Science and Technology Shanxi China Key Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Sciences Beijing China School of Electric Engineering Southwest Jiaotong University Sichuan China

Bat algorithm (BA) is a novel intelligent optimization algorithm. In order to improve the poor local search capability of the algorithm, we present a new variant of bat optimization algorithm based on local centroid strategy (LCBA). Meanwhile, LEACH is a low energy adaptive clustering hierarchy algorithm for wireless sensor networks (WSN). And it has many disadvantages such as random selection of cluster head, taking no account of the remaining energy and position of nodes. To solve these problems, this paper proposes an improved LEACH protocol based on local centroid bat algorithm. The improved protocol divides the cluster head selection process into optimization of temporary cluster head and formal cluster head selection. First, we generate temporary cluster heads by traditional LEACH protocol, then optimize these cluster heads based on LCBA and select formal cluster heads according to the remaining energy of nodes. The result of experiment shows that, comparing with LEACH, LEACH-LCBA can balance the network load efficiently, improve the energy utilization, prolong the network lifetime.

关键词： Energy utilization

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A novel collaboration management method based finance logistics management platform

International Journal of Multimedia and Ubiquitous Engineeri...

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International Journal of Multimedia and Ubiquitous Engineering 2014年第10期9卷 409-418页

作者： Wu, Zhongdai Ye, Minghai Liu, Jin School of Economics and Management Tongji University Shanghai China Key Laboratory of Embedded System and Service Computing Ministry of Education Tongji University Shanghai China College of Info. Engineering Shanghai Maritime University Shanghai China

In order to solve current realistic problems such as low-efficiency in resource allocation, difficulty in headquarters integrated management, high-risk in finance, and inaccuracy and untimeliness of information sharing. On the basis of collaborative management theory and information technology, centralized standardization of information system of finance logistics as a management platform is constructed in the study. Standardization of business processes and uniform control of headquarter are initially realized, the needs of business operations as well as logistics management are effectively met, and using information technology to promote the meticulous management is achieved. Information management of finance logistics reduces the financial risk, strengthen the management of supervisors, and promote the capabilities of project management. © 2014 SERSC.

关键词： Finance

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Predicting elections from social networks based on sub-event detection and sentiment analysis

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) 2014年 8787卷

作者： Unankard, Sayan Li, Xue Sharaf, Mohamed Zhong, Jiang Li, Xueming School of Information Technology and Electrical Engineering The University of Queensland BrisbaneQLD4072 Australia Key Laboratory of Dependable Service Computing in Cyber Physical Society Ministry of Education Chongqing400044 China

Social networks are widely used by all kinds of people to express their opinions. Predicting election outcomes is now becoming a compelling research issue. People express themselves spontaneously with respect to the social events in their social networks. Real time prediction on ongoing election events can provide feedback and trend analysis for politicians and news analysts to make informed decisions. This paper proposes an approach to predicting election results by incorporating sub-event detection and sentiment analysis in social networks to analyse as well as visualise political preferences revealed by those social network users. Extensive experiments are conducted to evaluate the performance of our approach based on a real-world Twitter dataset. Our experiments show that the proposed approach can effectively predict the election results over the given baselines. © Springer International Publishing Switzerland 2014.

关键词： Forecasting

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Analysis on Controller of Grid-Connected Inverter by Using Virtual Circuit

Analysis on Controller of Grid-Connected Inverter by Using V...

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European Conference on Power Electronics and Applications

作者： Zheng Zeng Weihua Shao Qingyang Liu Weifang Zhao Hui Li Tianqu Hao Li Ran Chongqing University State Key Laboratory of Power Transmission Equipment and System Security and New Technology School of Electrical Engineering Chongqing 400044 China Durham University School of Engineering and Computing Sciences Durham DH1 3LE UK

ISBN: (纸本)9781479982776

Control of grid-connected inverter (GCI) directly affects the performance of inverter-interfaced distributed generators. In this paper, a circuit-based modeling method is proposed to combine the control algorithm in software and the topology configuration in hardware of a GCI. On the basis of the same mathematical model, control blocks are equivalently changed into circuit models. By using the proposed circuit model, the mathematical principles and physical natures of proportional-integral (PI) and proportional-resonant (PR) controllers for GCI applications are examined in depth. It concludes that the PI controller cannot track sinusoidal reference without error, because of the equivalent capacitor and ac leakage current in the circuit model obtained for the GCI. In contrast, due to the extra equivalent inductor and resonance circuit in series compared with PI, the equivalent capacitor in PI is opened. And as a result, the PR control can provide accurate current-following performance. Selected experimental results are also presented to validate the effectiveness of the proposed control modeling method.

关键词： Renewable energy systems voltage source inverters (VSI) converter control circuits

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Using artificial plant optimization algorithm with dynamic population and cluster methods to optimize the performance of DV-Hop

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Sensor Letters 2014年第8期12卷 1313-1317页

作者： Wu, Xuexue Cui, Zhihua Dai, Chaohua Chen, Weirong Complex System and Computational Intelligence Laboratory Taiyuan University of Science and Technology Shanxi China Key Laboratory of Intelligent Information Processing Institute of Computing Technology Chinese Academy of Sciences Beijing China School of Electric Engineering Southwest Jiaotong University Sichuan China

Artificial plant optimization algorithm is a novel stochastic population-based evolutionary algorithm by simulating the plant growing process. In this paper, a new variant, which is called APOA-DC is proposed by incorporating with dynamic population size and cluster methods, furthermore, to investigate the performance, APOA-DC is applied to optimize the DV-Hop localization algorithm, simulation results show it achieves better performance than the DV-Hop algorithm.

关键词： Evolutionary algorithms

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