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检索条件"任意字段=2014 IEEE International Conference on Progress in Informatics and Computing"

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Three-demensional GIS Visility Analysis Based on Urban DEM

Three-demensional GIS Visility Analysis Based on Urban DEM

引用

The 2010 ieee international conference on progress in informatics and computing

作者： Yang Yang Key Laboratory of Virtual Geographic Environment, Ministry of Education,Nanjing Normal University Nanjing,China Liu Xunjun Key Laboratory of Virtual Geographic Environment, Ministry of Education,Nanjing Normal University Nanjing,China

Urban DEM(Digital elevation model) is widely used in many aspects of socialization applications,such as spatial analysis of GIS,urban planning management,visualization analysis of urban landscape,analysis of terrain visibility etc.,for it can properly express the 3-dimentsional structures of modern ***,a robust,simple and accurate method for Urban DEM generation is *** analysis has an important role in many fields of scientific research and practical applications;and much work has done in the 2-dimensional topographic *** it hasn't done much in 3-dimensional GIS analysis *** aim of this paper is twofold:how to build up the Urban DEM and how to implement the 3D visibility analysis based on Urban *** this paper we convert 1:500 scale CAD form terrain data to vector graphics,and then fusion with DEM to produce 5m resolution Urban DEM,which represents the older section of *** experiments results suggest the feasibility and validity of the 3D visibility analysis based on Urban DEM.

关键词： Urban DEM 3D Visibility Analysis 3DGIS Spatial Analysis

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Improved GA Combined with GDBP Algorithm for Forecasting Releasing Behaviors of Drug Carrier

Improved GA Combined with GDBP Algorithm for Forecasting Rel...

引用

The 2010 ieee international conference on progress in informatics and computing

作者： Li Mao Research Institute of Computer System,South China University of Technology Deptment of Computer Science,Guang Dong Police Officers College Guangzhou,China Deyu Qi Research Institute of Computer System,South China University of Technology Guangzhou,China Xiaoxi Li Engineering Research Center of Starch & Protein Processing,Ministry of Education, South China University of Technology Guangzhou,China

The bioadhesive drug delivery systems using satrchbased colon-targeted drug carriers have drawn great attention in the field of pharmaceutical science in resent years.A Neural Network(NN) prediction model was developed based on hibrid method of improved genetic algorithms(GA) and conjugate gradient algorithm for backpropagation(GDBP) NN according to key factors that affect releasing behaviors of satrch-based colontargeted drug *** particular,function approximation capability and high efflcciency of GDBP NN is used to simulate nonlinear relation between key factors and drug carrier releasing ***,the simulation results indicate that compared with traditional GA-BP NN,training efficiency of GAGDBP NN has been greatly ***,the model finds a new way to predict drug carrier releasing behaviors and instructs factors seting in real experiments.

关键词： conjugate gradient algorithms improved genetic algorithms neural network starch-base colon-targeted

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A Resource State-based Business Process Control Mechanism for BPM

A Resource State-based Business Process Control Mechanism fo...

引用

The 2010 ieee international conference on progress in informatics and computing

作者： Shuai Huang,Hongming Cai School of Software Shanghai Jiao Tong University Shanghai,China Boyi Xu Antai College of Economics & Management Shanghai Jiao Tong University Shanghai,China

Business process management(BPM) is an approach to integrate all business resources to meet what the clients need. While current BPM researches focus on business process modeling,definition,the process control mechanism is less *** view of the dynamic nature of business process,the control mechanism requires more *** order to reduce the complexity of business process,this paper designs and proposes a resource state based process control mechanism to manage the business *** we present our resource oriented business model to constitute our workflow,then we take advantage of finite state machine to control the resource flow by combining all business related resources and states together to constitute our business *** we give a simple case to verify that the method presented is valid and *** method improves the controlling efficiency by transferring the emphasis from business services to resources, thus avoiding the variable nature of business service and provides more accuracy.

关键词： business process management finite state machine business resource place

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Research on Complex Structure-Oriented Accurate Web Information Extraction Rules

Research on Complex Structure-Oriented Accurate Web Informat...

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The 2010 ieee international conference on progress in informatics and computing

作者： Tao Xie,Shengsheng Shi,Fuliang Quan,Chunfeng Yuan,and Yihua Huang Department of Computer Science and Technology,Nanjing University National Key Laboratory for Novel Software Technology,Nanjing University Nanjing 210093,China

With the rapid growth of web information,there is an increasing need to easily and efficiently acquire accurate information from the massive and heterogamous *** information extraction is such a research area to meet these *** this paper,we analyze the shortcomings of related researches and systems and find that when extracting accurate web information with complex structures,few systems can do so without being too much of a burden to *** at overcoming this type of pitfalls,this paper will study and propose a comprehensive model and framework that can combine the automatic web data analysis and extraction with the user interaction-based semi-supervised web data *** new model and framework has a good trade-off between the automatic generation of extraction rules and their expression capability towards the accurate information *** on this,we further present a multi-functional data extraction rule system that will use a variety of structural and textual extraction rules of different functions to achieve powerful expression ***,to offer powerful expression mechanism for data extraction,this paper will describe a well-designed, XML-based data extraction language which works well for rule generation based on both automatic web structure analysis and user interaction.

关键词： accuracy web information extraction extraction rule model extraction language

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Face Detection in Complex Background Based on Skin Color Features and Improved AdaBoost Algorithms

Face Detection in Complex Background Based on Skin Color Fea...

引用

The 2010 ieee international conference on progress in informatics and computing

作者： Zhengming Li,Lijie Xue and Fei Tan School of Electrical and Information Engineering Jiangsu University Zhenjiang,China

Face detection is a very hot topic in research application of pattern recognition and computer *** is widely applied in artificial intelligence,video surveillance, identity authentication,human-machine interaction and so on. However,skin color detection has high false positive rate in complex background and AdaBoost algorithm was not satisfactory for detection of multi-pose and multi-face image. So a novel face detection method combined with skin color detection and an improved AdaBoost algorithm is proposed in this ***,it applies skin model segmentation and morphological operators to detect skin regions in the image. And according to the geometrical characteristics of the face,it screens the candidate face *** by the improved classifiers in a cascade structure based on AdaBoost,it achieves more accurate promising regions of *** experiment results show that this face detection algorithm improves the detection speed in both the quality of detection, and it can effectively reduce the error detection rate of single test *** method has a good performance on image with complex *** all,this method has a certain theory value and practical value.

关键词： Face detection Skin-color segmentation AdaBoost algorithm Weight update Introduction

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Privacy-Preserving SVM Classification on Arbitrarily Partitioned Data

Privacy-Preserving SVM Classification on Arbitrarily Partiti...

引用

The 2010 ieee international conference on progress in informatics and computing

作者： Yunhong Hu~(a,b) a Department of Applied Mathematics, Yuncheng University, Yuncheng,Shanxi,China,044000 b College of Information Science and Engineering, Shandong University of Science and Technology, Qingdao,Shandong,China,266510 Guoping He~b b College of Information Science and Engineering, Shandong University of Science and Technology, Qingdao,Shandong,China,266510 Liang Fang~c c College of Mathematics and Systems Science, Taishan University, Tai'an,China,271021 Jingyong Tang~d d College of Mathematics and Information Science, Xinyang Normal University, Xinyang,China,464000

With the development of information science and modern technology,it becomes more important about how to protect privacy *** this paper,a novel privacy-preserving support vector machine(SVM) classifier is put forward for arbitrarily partitioned *** proposed SVM classifier,which is public but does not reveal the privately-held data,has accuracy comparable to that of an ordinary SVM classifier based on the original *** prove the feasibility of our algorithms by using matrix factorization theory and show the security.

关键词： support vector machine SVM classifier matrix factorization arbitrarily partitioned data

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A Relay Preselection and Contention-Based Cooperative MAC for Wireless Networks

A Relay Preselection and Contention-Based Cooperative MAC fo...

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The 2010 ieee international conference on progress in informatics and computing

作者： Yun Liu,Kai Liu and Li Fu School of Electronic and Information Engineering Beihang University Beijing,China

Cooperative communication is proved to effectively mitigate fading,achieve high spectrum efficiency and improve transmission capacity for wireless networks by means of spatial *** increasing work is extended to cooperative medium access control(MAC) protocol design.A relay preselection and contention-based cooperative MAC(RPCB-CMAC) protocol is proposed to alleviate the negative effect of low rate nodes which take more time to transmit the same data than high rate *** the protocol,the sender preselects two candidate relays through its local relay-information table,and sets different priorities to these two candidate relays by relay utility which reflects how much time can be saved per *** the handshake between the sender and the receiver,two candidate relays can obtain rate information among the sender,the receiver and themselves to judge whether they can provide cooperation *** they can,then they contend to become the final relay based on their *** results show that compared to basic RTS/CTS scheme and CoopMAC,the proposed protocol can improve the network performance.

关键词： wireless network cooperative communication cooperative MAC multiple rates

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Production and Characteristics of Sensor Corrected and Geocoded Ellipsoid Corrected Products

Production and Characteristics of Sensor Corrected and Geoco...

引用

The 2010 ieee international conference on progress in informatics and computing

作者： Bin Liu,Guo Zhang,Hongbo Pan and Wanshou Jiang State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing(LIESMARS), Wuhan University Wuhan,China

In applications of high-resolution spaceborne imagery, different users have different requirements for accuracy and the form of the *** commercial high-resolution satellites use their own geometric product level to adapt to different users. But various satellites have different geometric product *** establish a suitable optical pushbroom satellite geometry product level becomes the key to the development of optical satellite technical issues placed before *** paper presents a geometric product level as standard and the production methods of the Sensor Corrected level and the Geocoded Ellipsoid Corrected level are given based on the standard.A case study using the ALOS satellite has been used to test the methods. Experimental results show that the Sensor Corrected Level Product performs very well in image stitching,and the Geocoded Ellipsoid Corrected Level Product solves the low accuracy of the RFM(rational function model) caused by the jumping of exterior orientation elements.

关键词： component Geometric Product Level Sensor Corrected product Geocoded Ellipsoid Corrected product RFM ALOS

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Using 3G Network Components to Enable NFC Mobile Transactions and Authentication

Using 3G Network Components to Enable NFC Mobile Transaction...

引用

The 2010 ieee international conference on progress in informatics and computing

作者： G.P.Hancke K.E.Mayes Y.Lien J-H.Chiu Smart Card Centre Information Security Group Royal Holloway University of London UK Department of Electronic Engineering National Taiwan University of Science and Technology Taipei Taiwan Department of Electrical Engineering Chang Gung University Tao-Yuan Taiwan

The increasing technical capabilities of mobile phones have resulted in several m-payment methods being proposed.M-payment applications are being developed for both online and in-store *** Field Communication(NFC) technology has the potential to greatly impact the way mobile devices are *** is a short range wireless communication interface that allows for the integration of a mobile device in existing contactless application infrastructure,such as using a mobile phone to pay at Point-of-Sale(POS).It is important to provide a simple method for implementing m-payment systems that offer both reasonable security protection as well as ease of use for the *** propose a system that combines the existing 3G cryptographic primitives and algorithms,in addition to the identification and authentication capabilities of the USIM, with NFC technology to implement a m-payment *** a system could easily be integrated into current 3G infrastructure and provide improved scalability and ubiquity for m-payment *** proposed scheme focuses on a conventional instore payment environment,with mutual authentication between entities and a subsequent trustworthy transaction being achieved through 3G and USIM security services.

关键词： GSM NFC Using 3G Network Components to Enable NFC Mobile Transactions and Authentication Mobile

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PSF Estimation in SAR Imagery Restoration Based on Corner Reflectors

PSF Estimation in SAR Imagery Restoration Based on Corner Re...

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The 2010 ieee international conference on progress in informatics and computing

作者： Li-jing Bu~1,Guo Zhang~2,Yin-shen Lin~2 and Tan Chen~3 1.School of Geomatics Liaoning Technical University,Fuxin,China 2.State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing(LIESMARS) 3.School of Remote Sensing and Information Engineering Wuhan University Wuhan,China

Point Spread Function(PSF) estimation is a key issue influencing the quality of imagery *** are many PSF estimation methods for optical imagery but few for SAR *** paper puts forward a new method of PSF estimation for restoration of SAR *** setting corner reflectors in the Held,according to the brightness and scattering features,the PSF of SAR imagery can be simulated adopting the elliptic paraboloid model;therefore,the parameters of the model can be *** to the model mentioned above,SAR imagery restoration experiments were carried *** tests show that the restoration quality using PSF that based on the elliptic paraboloid model is better than that derived from the blind deconvolution *** algorithm of the model is simple and the quality of the restored SAR imagery is enhanced. Therefore,this PSF estimation method is feasible.

关键词： SAR imagery restoration PSF corner reflector elliptic paraboloid

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