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On Stable Reconstruction of the Impact in the System of Ordinary Differential Equations

Applied Mathematics 2010年第2期1卷 118-123页

作者： Andrei Y. Vdovin Svetlana S. Rubleva The Ural State Forest-Engineering University

Approach to expansion of an opportunity of the reception the guaranteed estimation for a problem of reconstruction the impact within the limits of the dynamical algorithm is considered in the article.

关键词： Dynamical algorithm The Reconstruction of the Impact The Estimation of Accuracy of the algorithm

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Protection of Basic Human Rights in the Application of Big Data to Counter Terrorism

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The Journal of Human Rights 2019年第5期18卷 590-602页

作者：夏雨齐延平 PAN Yingzhao(译) Intelligent Technology Research Center School of lawBeijing Institute of Technology MIIT Key Laboratory of Intelligent Technology Risks Legal Prevention and Control School of LawBeijing Institute of Technology 不详

In the era of big data,the ways people work,live and think have changed dramatically,and the social governance system is also being *** intelligent social governance has now become a national *** application of big data technology to counterterrorism efforts has become a powerful weapon for all ***,due to the uncertainty,difficulty of interpretation and potential risk of discrimination in big data technology and algorithm models,basic human rights,freedom and even ethics are likely to be impacted and *** a result,there is an urgent need to prioritize basic human rights and regulate the application of big data for counter terrorism *** legislation and law enforcement regarding the use of big data to counter terrorism must be subject to constitutional and other legal reviews,so as to strike a balance between safeguarding national security and protecting basic human rights.

关键词： the application of big data to counter terrorism algorithm discrimination national security basic human rights the principle of balance

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Techniques of Discrete Function Transfers into Continuous Function in Practice

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Engineering（科研） 2018年第10期10卷 680-687页

作者： Ming-Jong Lin Department of Electronic Engineering Southern Taiwan University of Science and Technology Tainan

One confusing question over a long period of time is how transfer the discrete function transfers into continuous function. Recently the issue has been resolved but some details of the transformation process will be introduced in the paper. The correlation coefficients of 100,000 values are established from the two groups of data with the range between -1 and 1, creating a histogram from these correlation coefficient values known as “the probability mass function.” The coefficient values are brought into the discrete distribution function, so that transfers into the discrete cumulative function, next converted into a continuous cumulative function, next which is differentiated to get the density function, so that it is easy to being research analysis. A model will be established during the process of the conversion what the medium is “the least squares algorithm.” Finally, when the integral of the area within the range of the density function equals to 1, this implies that the transformation complete succeeds from the discrete function to the continuous function.

关键词： Probability Mass Function Discrete Cumulative Function Continuous Cumulative Function Probability Density Function The Least Squares algorithm

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The Research of Terminal Distribution Network Path Optimization

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Journal of Computer and Communications 2014年第5期2卷 28-37页

作者： Xufeng Zhang Xinyu Zhang Graduate College Beijing Wuzi University Beijing China International College Beijing Wuzi University Beijing China

This paper presents an optimization problem about terminal distribution network path, defining the research problem through its distribution operation process, next to the terminal distribution route optimization. To begin with, dynamic optimization algorithm is built, the first from the target distribution node distribution vehicle, and goods to N customers are delivered, in the most appropriate distribution route to the minimum distribution distance and optimizing the terminal distribution path. Two parts to build and example areincluding algorithm.

关键词： The Terminal Distribution Dynamic Optimization algorithm Path Optimization

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Regional Evaluations of the Meteorological Drought Characteristics across the Pearl River Basin, China

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American Journal of Climate Change 2012年第1期1卷 48-55页

作者： Qiang Zhang Mingzhong Xiao Xiaohong Chen Department of Water Resources and Environment Sun Yat-sen University Guangzhou China Key Laboratory of Water Cycle and Water Security in Southern China of Guangdong High Education Institute Sun Yat-sen University Guangzhou China School of Geography and Planning and Guangdong Key Laboratory for Urbanization and Geo-Simulation Sun Yat-sen University Guangzhou China

Regional evaluation of drought characteristics provides critical information for water resource management. In this case, this study attempts to analyze the probability behaviors of drought events of a given severity in the Pearl River Basin and to construct severity-area-frequency curves of drought events. Due to possible impacts of complicated topographical properties and diverse climate types within the Pearl River Basin, the entire Pearl River Basin is subdivided into different homogeneous regions. In general, the Pearl River Basin can be categorized into four homogeneous regions, and the severity-area-frequency analysis results for the short-, medium- and long-term drought episodes within each homogeneous regions indicate stressful challenge for the water resource management in the Pearl River Basin due to the fact that severe droughts usually occur over the entire Pearl River Basin. Meanwhile, the Pearl River Delta will face a higher risk of drought when compared to other regions of the Pearl River Basin in terms of the medium-term drought. The Pearl River Basin is highly economically development and is heavily populated, thus impacts of droughts and related resilience resolutions or policies should be taken into account in the formulation of regional sustainable development of water resources and socio-economy within the Pearl River Basin, China.

关键词： Regional Drought Severity-Area-Frequency Curves Cluster algorithm The Pearl River Basin

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Implementation of Mooring Automatic Positioning System for Deepwater Semi-Submersible Platform Based on Dual-Stage Actuator

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Open Journal of Modelling and Simulation 2014年第2期2卷 67-76页

作者： Tao Sun Wenbin Gui Zhigang Yu Zhimin Gao No.704 Research Institute CSIC Shanghai China

The automatic positioning control of mooring system for deepwater semi-submersible platform has become a key issue in the research and development field of deep-sea resources. The Dual- Stage Actuator (DSA) proposed in this paper can replace the single actuator to achieve the high speed and high precision positioning by cooperative control. The relative model and control algorithm of motion trajectory (CAMT) are designed and validated, which proves that the method proposed in this paper is effective.

关键词： Deepwater Semi-Submersible Platform Mooring Automatic Positioning Dual-Stage Actuator (DSA) High Speed and High Precision the Control algorithm of Motion Trajectory (CAMT)

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Combined algorithms of Optimal Resource Allocation

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Applied Mathematics 2012年第1期3卷 78-85页

作者： Valery I. Struchenkov Moscow State Technical University of Radio Engineering Electronics and Automation

Under study is the problem of optimum allocation of a resource. The following is proposed: the algorithm of dynamic programming in which on each step we only use the set of Pareto-optimal points, from which unpromising points are in addition excluded. For this purpose, initial approximations and bilateral prognostic evaluations of optimum are used. These evaluations are obtained by the method of branch and bound. A new algorithm “descent-ascent” is proposed to find upper and lower limits of the optimum. It repeatedly allows to increase the efficiency of the algorithm in the comparison with the well known methods. The results of calculations are included.

关键词： Dynamic Programming The Pareto Set Branch and Bound Method The Curse of Dimensionality algorithm “Descent-Ascent”

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Image Processing Tool Promoting Decision-Making in Liver Surgery of Patients with Chronic Kidney Disease

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Journal of Software Engineering and Applications 2014年第2期7卷 118-127页

作者： Kristina Bliznakova Nikola Kolev Zhivko Bliznakov Ivan Buliev Anton Tonev Elitsa Encheva Krasimir Ivanov Department of Electronics and Microelectronics Technical University of Varna Varna Bulgaria Department of Medical Physics University of Patras Patras Greece Department of Radiology Medical University of Varna Varna Bulgaria Department of Surgery Medical University of Varna Varna Bulgaria

Preoperative assessment of the liver volume and function of the remnant liver is a mandatory prerequisite before performing major hepatectomy. The aim of this work is to develop and test a software application for evaluation of the residual function of the liver prior to the intervention of the surgeons. For this purpose, a complete software platform consisting of three basic modules: liver volume segmentation, visualization, and virtual cutting, was developed and tested. Liver volume segmentation is based on a patient examination with non-contrast abdominal Computed Tomography (CT). The basis of the segmentation is a multiple seeded region growing algorithm adapted for use with CT images without contrast-enhancement. Virtual tumor resection is performed interactively by outlining the liver region on the CT images. The software application then processes the results to produce a three-dimensional (3D) image of the “resected” region. Finally, 3D rendering module provides possibility for easy and fast interpretation of the segmentation results. The visual outputs are accompanied with quantitative measures that further provide estimation of the residual liver function and based on them the surgeons could make a better decision. The developed system was tested and verified with twenty abdominal CT patient sets consisting of different numbers of tomographic images. Volumes, obtained by manual tracing of two surgeon experts, showed a mean relative difference of 4.5%. The application was used in a study that demonstrates the need and the added value of such a tool in practice and in education.

关键词： Non-Contrast Enhanced Computed Tomography Images Evaluation of the Residual Function of the Liver Liver Segmentation Seeded Regional Growing algorithm Virtual Tumor Resection Decision-Making Educational Tool

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Contribution to Development of Reliability and Optimization Methods Applied to Mechanical Structures

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Applied Mathematics 2013年第1期4卷 19-24页

作者： Siham Ouhimmou Abdelkhalak El Hami Rachid Ellaia Mohamed Tkiouat Laboratory of Mechanics of Rouen National Institute of Applied Sciences Rouen France Laboratory of Mechanics University Hassan II Casablanca Morocco Laboratory of Study and Research in Mathematics Applied Mohammedia School of Laboratory of Study and Research in Mathematics Applied Mohammedia School of Engineers Agdal-Rabat Morocco

In order to take into account the uncertainties linked to the variables in the evaluation of the statistical properties of structural response, a reliability approach with probabilistic aspect was considered. This is called the Probabilistic Transformation Method (PTM). This method is readily applicable when the function between the input and the output of the system is explicit. However, the situation is much more involved when it is necessary to perform the evaluation of implicit function between the input and the output of the system through numerical models. In this work, we propose a technique that combines Finite Element Analysis (FEA) and Probabilistic Transformation Method (PTM) to evaluate the Probability Density Function (PDF) of response where the function between the input and the output of the system is implicit. This technique is based on the numerical simulations of the Finite Element Analysis (FEA) and the Probabilistic Transformation Method (PTM) using an interface between Finite Element software and Matlab. Some problems of structures are treated in order to prove the applicability of the proposed technique. Moreover, the obtained results are compared to those obtained by the reference method of Monte Carlo. A second aim of this work is to develop an algorithm of global optimization using the local method SQP, because of its effectiveness and its rapidity of convergence. For this reason, we have combined the method SQP with the Multi start method. This developed algorithm is tested on test functions comparing with other methods such as the method of Particle Swarm Optimization (PSO). In order to test the applicability of the proposed approach, a structure is optimized under reliability constraints.

关键词： Reliability Methods Probabilistic Transformation Method Finite Element Analysis FEACPTM The Method SQP The Multi Start Method algorithm MSQP Structural Optimization

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Color Texture Image Inpainting Using the Non Local CTV Model

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Journal of Signal and Information Processing 2013年第3期4卷 43-51页

作者： Jinming Duan Zhenkuan Pan Wangquan Liu Xue-Cheng Tai College of Information Engineering Qingdao University China Department of Computing Curtin University Australia Department of Mathematics University of Bergen Norway

The classical TV (Total Variation) model has been applied to gray texture image denoising and inpainting previously based on the non local operators, but such model can not be directly used to color texture image inpainting due to coupling of different image layers in color images. In order to solve the inpainting problem for color texture images effectively, we propose a non local CTV (Color Total Variation) model. Technically, the proposed model is an extension of local TV model for gray images but we take account of the coupling of different layers in color images and make use of concepts of the non-local operators. As the coupling of different layers for color images in the proposed model will in-crease computational complexity, we also design a fast Split Bregman algorithm. Finally, some numerical experiments are conducted to validate the performance of the proposed model and its algorithm.

关键词： Color Texture Images Image Inpainting NL-CTV Model TV Model The Split Bregman algorithm

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