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8th International Conference on advanced Data Mining and Applications, ADMA 2012

作者： Xie, Rong Luo, Jun Yue, Yang Li, Qingquan Zou, Xiaoqing International School of Software Wuhan University Wuhan 430079 China Shenzhen Institutes of Advanced Technology CAS Shenzhen 518055 China Shenzhen Key Laboratory of High Performance Data Mining Shenzhen 518055 China Shenzhen University Shenzhen China State Key Lab. of Information Engineering in Surveying Mapping and Remote Sensing Wuhan University Wuhan 430079 China Faculty of Land Resource Engineering Kunming University of Science and Technology Kunming China

ISBN: (纸本)9783642355264

Data collected from mobile phones have potential knowledge to provide with important behavior patterns of individuals. In this paper, we present approaches to discovering personal mobility and characteristics based on mobile phone location information and semantic analysis. We discuss three aspects related to very common mobile phone-related applications such as pattern mining, semantic label identification and movement prediction. We use real mobile phone data to perform functions of discovering these behavior patterns and demonstrate effectiveness of our approaches. © Springer-Verlag 2012.

关键词： Cellular telephones

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Registration of brainstem surfaces in adolescent idiopathic scoliosis using discrete Ricci flow

Registration of brainstem surfaces in adolescent idiopathic ...

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15th International Conference on Medical Image Computing and computer-Assisted Intervention, MICCAI 2012

作者： Zhang, Minqi Li, Fang He, Ying Lin, Shi Wang, Defeng Lui, Lok Ming School of Computer Engineering Nanyang Technological University Singapore Shenzhen Institutes of Advanced Technology Chinese Academy of Science Shenzhen China CUHK Shenzhen Research Institute Shenzhen China Department of Mathematics CUHK Hong Kong Dept. of Imaging and Interventional Radiology The Chinese University of Hong Kong Hong Kong

ISBN: (纸本)9783642334177

Adolescent Idiopathic Scoliosis (AIS) characterized by the 3D spine deformity affects about 4% schoolchildren worldwide. Several studies have demonstrated the malfunctioning of postural balance, proprioception, and equilibrium control in patients with AIS. Since these functions are closely related to structures in and around the brainstem, the morphometry of the brainstem surface is of utmost importance. In this paper, we propose an effective method to accurately compute the registration between brainstem surfaces. Four consistent features, which describe the global geometry of the brainstem, are automatically extracted to guide the surface registration. Using the discrete Ricci flow method, brainstem surfaces are parameterized conformally onto the quadrilaterally-faced hexahedron, through which the brainstem registration can be obtained. Our registration algorithm can guarantee the exact landmark correspondence between brainstem surfaces. With the obtained registration, a shape energy can be defined to measure the local shape difference between different brainstem surfaces. We have tested our algorithms on 30 real brainstem surfaces extracted from MRIs of 15 normal subjects and 15 AIS patients. Experimental results show the efficacy of the proposed algorithm to register brainstem surfaces, which matches landmark features consistently. The computed registration can be used for the morphometry of brainstems. © Springer-Verlag Berlin Heidelberg 2012.

关键词： Brain

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Displacement prediction model of landslide based on ensemble of extreme learning machine 1

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19th International Conference on Neural Information Processing, ICONIP 2012

作者： Lian, Cheng Zeng, Zhigang Yao, Wei Tang, Huiming Department of Control Science and Engineering Huazhong University of Science and Technology Wuhan Hubei China Key Laboratory of Image Processing and Intelligent Control of Education Ministry of China Wuhan Hubei China School of Computer Science South-Central University for Nationalities Wuhan Hubei China Faculty of Engineering China University of Geosciences Wuhan Hubei China

ISBN: (数字)9783642344787

ISBN: (纸本)9783642344770

Based on time series analysis, total accumulative displacement of landslide is divided into the trend component displacement and the periodic component displacement according to the response relation between dynamic changes of landslide displacement and inducing factors. In this paper, a novel neural network technique called the ensemble of extreme learning machine (E-ELM) is proposed to investigate the interactions of different inducing factors affecting the evolution of landslide. Trend component displacement and periodic component displacement are forecasted respectively, then total predictive displacement is obtained by adding the calculated predictive displacement value of each sub. A case study of Baishuihe landslide in the Three Gorges reservoir area is presented to illustrate the capability and merit of our model. © 2012 Springer-Verlag.

关键词： Landslides

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Color image restoration based on framelet regularization

Color image restoration based on framelet regularization

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International Conference on Systems and Informatics (ICSAI)

作者： Yan-Ran Li Zhi-Ying Cao You-Wei Wen College of Computer Science and Software Engineering Shenzhen University Shenzhen China Faculty of Science Kunming University of Science and Technology Yunnan China

The problem of color image restoration is investigated in this paper. The framelet-based color regularization term is proposed to preserve the edges of restored images and attenuate the false color for human visual system. A fast iterative shrinkage algorithm is applied to tackle the proposed non-smooth restored model by thresholding the framelet coefficients. Numerical examples demonstrate that our fast framelet-based approach is effective to attain the good results with higher PSNR values, lower S-CIELAB errors and less consuming times.

关键词： Image restoration TV Color Image color analysis PSNR Gaussian noise Mathematical model

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Comparison of the electronic realization of the fractional-order system and its model

Comparison of the electronic realization of the fractional-o...

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2012 13th International Carpathian control Conference, ICCC 2012

作者： Dorčák, L'ubomír Terpák, Ján Petráš, Ivo Valsa, Juraj Gonzalez, Emmanuel Institute of Control and Informatization of Production Processes Faculty BERG Technical University of Košice B. Němcovej 3 042 00 Košice Slovakia Faculty of Electrical Engineering and Computer Science Brno University of Technology Kolejní 2906/4 612 00 Brno Czech Republic Department of Computer Technology College of Computer Studies De la Salle University Manila Philippines

ISBN: (纸本)9781457718687

Real objects in general are fractional-order (FO) systems, although in some types of systems the order is very close to an integer order. Also application of FO models is more adequate for the description of dynamical systems than integer-order models. This paper is devoted to the analogue electronic realization of the FO systems, e.g. controlled objects and/or controllers whose mathematical models are FO differential equations. The electronic realization is based on FO differentiator and FO integrator where operational amplifiers are connected with appropriate impedance or in our realization with so called Fractional Order Element (FOE) or Constant Phase Element (CPE). Presented network model in spite of its simplicity approximates quite well the properties of the ideal FO system compared with e.g. domino ladder networks. Also presented, along with the mathematical description, are simulation and measurement results. © 2012 IEEE.

关键词： Operational amplifiers

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Spatio-temporal error concealment algorithms for encoded video streams for real-time applications

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International Journal of computers and Applications 2012年第2期34卷 105-118页

作者： Sarhan, Amany Mahmoud, Rasha O. Faheem, Mohamed T. Computers and Automatic Control Engineering Department Faculty of Engineering Tanta University Egypt Computer Science Department Nile Institute of Commerce and Computer Technology Mansoura Egypt Computers and Automatic Control Engineering Department Faculty of Engineering Taief University Saudi Arabia

Multimedia is one of the most important aspects of the information era. With the advent of the multimedia age and the spread of Internet, video storage and streaming has been gaining a lot of popularity. When transmitting compressed video over a data network channel errors affect the decoding process. Video transmission puts constraints on data rate, computational complexity and delay. Unreliable channels add more challenges to this task as compressed video is extremely vulnerable to transmission errors. Problems arising from imperfect transmission of block coded video frame sequence result in lost blocks. This paper presents and implements a set of decoder side spatio-temporal algorithms that aim to enhance the speed and quality of the error concealment process. The results obtained by these algorithms are much faster and achieve better performance compared to the existing algorithms, which make them more suitable for real-time applications.

关键词： Image communication systems

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Model-Free control or Active Disturbance Rejection control? On different approaches for attenuating the perturbation

Model-Free Control or Active Disturbance Rejection Control? ...

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Mediterranean Conference on control and Automation (MED)

作者： Rafal Madoński Przemyslaw Herman Chair of Control and Systems Engineering Faculty of Computer Science Poznan University of Technology Poznan Poland

This paper is focused on a comparison between Model-Free control and Active Disturbance Rejection control methods. These two techniques do not require a detailed mathematical description of the system, since they base on the on-line estimation and rejection of the unmodeled elements of the dynamics. Robustness of the closed-loop control system (against external perturbation) and its relation to energy consumption is discussed here. A model of a planar manipulator is used in the conducted case study as an exemplary plant. Conclusions are supported with results obtained with numerical simulations.

关键词： Gears Scalability

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Design of a high performance linear stage with floating stator

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Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao 2012年第6期33卷 553-563页

作者： Wang, Hong Li, Zexiang Department of Mechanical and Control Engineering Shenzhen Graduate School Harbin Institute of Technology China Department of Electrical and Computer Engineering Hong Kong University of Science and Technology Hong Kong

This paper presents a novel design for high performance positioning stage, an representative application of such positioning stage is in semi conductor packing process, whose requirements are high precision and high acceleration. However, with the increase of motion acceleration(>10g), the traditional linear stage with fixed stator structure can't suppress the base vibration caused by reactive force, then the stage accuracy decreases seriously. In this design, a floating stator structure for linear stage is proposed. The main goal is to reduce the effect of the reaction force on the stage from accelerating the mover. For the optimal structure variables, the model of single axis stage with floating stator is first developed. Then three application requirements are converted to performance indices, by taking the mechanical structure variables as optimal variable, optimization problem is formulated and solved by using Differential Evolution method. The performance of proposed structure is verified by simulations. Then a prototype of 2-DOF linear stage with floating stator is constructed, the concerned performance of high acceleration, high accuracy and low vibration is validated by numerous experiments.

关键词： Stators

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Personalized therapy selection by using multi-objective optimization

Personalized therapy selection by using multi-objective opti...

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IEEE International Conference on Intelligent engineering Systems (INES)

作者： Ivars Karpics Institute of computer control automation and computer engineering Faculty of computer science and information technology Riga Technical University Riga Latvia

In the article a therapy selection method by using topological modelling and multi- objective optimization is presented. In a medicine practice a doctor by taking into the count patients' health state and laboratory results, tries to suggest a treatment strategy, which mostly is a drug therapy. To solve this task a decision support system has been developed and proposed. The system includes a mathematical model of three self connected diseases. Therapies are evaluated by five efficiency objectives. To find the optimal therapy, seven multi- objective methods are selected and used. Optimization methods form decision support module which is implemented in the medical computer system. To evaluate a performance of the system, test examples are analysed. Conclusion includes the summary and proposals of further research.

关键词： Mathematical model Drugs Optimization methods computers

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SLA (Service Level Agreement) Driven Orchestration Based New Methodology for Cloud Computing Services

SLA (Service Level Agreement) Driven Orchestration Based New...

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2012 International Conference on Future Optical Materials and Circuit Design(FOMCD 2012)

作者： Muhammad Irfan Zhu Hong Nueraimaiti Aimaier Li Zhuguo Collage of Computer Science and Technology Huazhong University of Science and Technology Department of Electrical & Electronic Engineering Faculty of EngineeringUniversity Putra Malaysia Department of control science and technology Huazhong University of Science and Technology

Cloud Computing is not a revolution;it's an evolution of computer science and technology emerging by leaps and bounds, in order to merge all computer science tools and technologies. Cloud Computing technology is hottest to do research and explore new horizons of next generations of computer science. There are number of cloud services providers(Amazon EC2), Rackspace Cloud, Terremark and Google Compute Engine) but still enterprises and common users have a number of concerns over cloud service providers. Still there is lot of weakness, challenges and issues are barrier for cloud service providers in order to provide cloud services according to SLA(Service Level agreement). Especially, service provisioning according to SLAs is core objective of each cloud service provider with maximum performance as per SLA. We have identified those challenges issues, as well as proposed new methodology as "SLA(Service Level Agreement) Driven Orchestration Based New Methodology for Cloud Computing Services". Currently, cloud service providers are using "orchestrations" fully or partially to automate service provisioning but we are trying to integrate and drive orchestration flows from SLAs. It would be new approach to provision cloud service and deliver cloud service as per SLA, satisfying Qo S standards.

关键词： Cloud computing Cloud service provisioning Cloud orchestrations Qo S(Quality of Service) SLA(Service Level Agreement)

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