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INTEGRATING object-oriented IMAGE ANALYSIS AND DECISION TREE ALGORITHM FOR LAND USE AND LAND COVER CLASSIFICATION USING RADARSAT-2 POLARIMETRIC SAR IMAGERY 30

INTEGRATING OBJECT-ORIENTED IMAGE ANALYSIS AND DECISION TREE...

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30th IEEE International Geoscience and Remote Sensing Symposium (IGARSS) on Remote Sensing - Global Vision for Local Action

作者： Qi, Zhixin Yeh, Anthony Gar-On Li, Xia Lin, Zheng Univ Hong Kong Dept Urban Planning & Design Pokfulam Rd Hong Kong Hong Kong Peoples R China Sun Yat Sen Univ Sch Geog & Planning Guangzhou 510275 Peoples R China

ISBN: (纸本)9781424495665

Traditional pixel-based classification methods yield poor results when applied to SAR imagery because of the presence of speckle and limited information in backscatter coefficients. A novel classification method, integrating polarimetric target decomposition, object-oriented image analysis, and decision tree algorithms, is proposed for the classification of polarimetric SAR data (PolSAR). The polarimetric target decomposition is aimed at extracting physical information related to the scattering mechanism of targets for the classification of scattering data. The main purposes of the object-oriented image analysis are delineating objects and extracting various spatial and textural features. The decision tree algorithm provides an efficient way to select features and create a decision tree for the classification. A comparison between the proposed method and the Wishart supervised classification was made. The overall accuracies of these two methods were 89.34% and 79.36%, respectively. The results show that the proposed method is an effective method for the classification of PolSAR data.

关键词： Image classification synthetic aperture radar radar polarimetry object-oriented methods

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Reverse Engineering object-oriented Distributed Systems

Reverse Engineering Object-Oriented Distributed Systems

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International Conference on Software Maintenance

作者： Cosma, Dan C. Politehn Univ Timisoara LOOSE Res Grp Timisoara Romania

ISBN: (纸本)9781424486298

A significant part of the modern software systems are designed and implemented as object-oriented distributed applications, addressing the needs of a globally-connected society. While they can be analyzed focusing only on their object-oriented nature, their understanding and quality assessment require very specific, technology-dependent analysis approaches. This doctoral dissertation describes a methodology for understanding object-oriented distributed systems using a process of reverse engineering driven by the assessment of their technological and domain-specific particularities. The approach provides both system-wide and class-level characterizations, capturing the architectural traits of the systems, and assessing the impact of the distribution-aware features throughout the application. The methodology describes a mostly-automated analysis process fully supported by a tools infrastructure, providing means for detailed understanding of the distribution-related traits and including basic support for the potentially consequent system restructuring.

关键词： distributed processing object-oriented distributed systems object-oriented methods quality assessment reverse engineering reverse engineering software quality software systems system restructuring technology-dependent analysis approach

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Design Patterns for Failure Management in IEC 61499 Function Blocks

Design Patterns for Failure Management in IEC 61499 Function...

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15th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA)

作者： Serna, Felix Catalan, Carlos Blesa, Alfonso Rams, Josep M. Univ Zaragoza Dept Informat & Ingn Sistemas E-50009 Zaragoza Spain

ISBN: (纸本)9781424468508

IEC 61499 standard has promised to help handling the high level of complexity of modern control systems, but it hasn't still been adopted by the industry. Several authors claim for design methodologies to guide control engineers using this standard. This paper shows a way to ease the development of IEC 61499 based applications identifying and characterizing "extended FBs", adding semantic artefacts to basic FBs. Specific design patterns are built from those extended FBs, which match elements of the problem domain. Two specific design patterns are presented which allow dealing with Failure Management, a common topic in control applications.

关键词： IEC 61499 function blocks IEC 61499 standard IEC standards control engineering computing design patterns failure analysis failure management industrial control object-oriented methods object-oriented programming

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Using Relational Topic Models to Capture Coupling among Classes in object-oriented Software Systems

Using Relational Topic Models to Capture Coupling among Clas...

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International Conference on Software Maintenance

作者： Gethers, Malcom Poshyvanyk, Denys Coll William & Mary Dept Comp Sci Williamsburg VA 23185 USA

ISBN: (纸本)9781424486298

Coupling metrics capture the degree of interaction and relationships among source code elements in software systems. A vast majority of existing coupling metrics rely on structural information, which captures interactions such as usage relations between classes and methods or execute after associations. However, these metrics lack the ability to identify conceptual dependencies, which, for instance, specify underlying relationships encoded by developers in identifiers and comments of source code classes. We propose a new coupling metric for object-oriented software systems, namely Relational Topic based Coupling (RTC) of classes, which uses Relational Topic Models (RTM), generative probabilistic model, to capture latent topics in source code classes and relationships among them. A case study on thirteen open source software systems is performed to compare the new measure with existing structural and conceptual coupling metrics. The case study demonstrates that proposed metric not only captures new dimensions of coupling, which are not covered by the existing coupling metrics, but also can be used to effectively support impact analysis.

关键词： coupling metrics generative probabilistic model object oriented software system object-oriented methods open source software system relational topic based coupling relational topic model relational topic models software metrics software metrics source code element source coding

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Increasing Portability and Reuseability of Distributed Control Programs by I/O Access Abstraction

Increasing Portability and Reuseability of Distributed Contr...

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15th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA)

作者： Melik-Merkumians, Martin Wenger, Monika Hametner, Reinhard Zoitl, Alois Vienna Univ Technol Automat & Control Inst A-1040 Vienna Austria

ISBN: (纸本)9781424468508

Current component-based approaches for distributed control systems enable the reuse of mechatronic components, for example specific grippers or conveyor belts, but do not allow full application reuse as the actual hardware configuration is an implicit part of the software solution. In contrast to the current object-oriented or component-based engineering models for automation engineering, this paper will introduce a new Model-Driven Architecture based application and hardware modeling approach. Through separation of the logical application domain and the specific hardware domain the logical application is completely independent of the concrete physical plant configuration. Therefore development time for automation applications can be vastly reduced and software quality can be improved.

关键词： I/O access abstraction automation application component based engineering model concrete physical plant configuration distributed control program distributed programming hardware configuration hardware modeling approach input-output programs logical application domain mechatronic component mechatronics model driven architecture object oriented model object-oriented methods software architecture software quality software solution

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Software architecture of distributed client/server library circulation system

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ELECTRONIC LIBRARY 2010年第2期28卷 286-299页

作者： Milosavljevic, Branko Tesendic, Danijela Univ Novi Sad Novi Sad Serbia

Purpose - The purpose of this paper is to model and implement software architecture for transparent communication of client and server sides of library circulation system in order to enable system operation in different network configurations. Design/methodology/approach - object-oriented methodology and design patterns are used for modeling system architecture. Modeling is carried out in the CASE tool that supports the Unified Modeling Language (UML 2.0) by means of class and sequence diagrams. The implementation is carried out in the Java programming language using open source components. Findings - The result is a software package for transparent communication of client and server side of library circulation system. Database operations are executed through this package. The package can execute the operations under different protocols, which enables the work of the library circulation system in the intranet and internet environments. Research limitation/implications - The proposed software architecture and implementation are integrated into the circulation subsystem of the BISIS library information system and rely on the Hibernate package for object/relational mapping. For integration into other systems where operations would not be related to the database or would use some other ORM technologies, it would be necessary to make corresponding changes in the implementation. Practical implications - The package is integrated, together with the library circulation system, into the fourth version of the BISIS system. Testing and verifying were carried out in public and special libraries. Originality/value - Originality of the paper is to be found in the proposed software architecture that is network-agnostic and facilitates transparent communication of client and server sides of the circulation system while not imposing a single communication technology or protocol. Besides, the architecture does not depend on the functionality of the circulation system and can be used

关键词： Library systems object-oriented methods Systems software Information systems

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SQUANER: A Framework for Monitoring the Quality of Software Systems

SQUANER: A Framework for Monitoring the Quality of Software ...

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International Conference on Software Maintenance

作者： Haderer, Nicolas Khomh, Foutse Antoniol, Giuliano Univ Montpellier 2 LIRMM F-34095 Montpellier 5 France Univ Montreal DIRO PTIDEJ Team Montreal PQ Canada Ecole Polytech DGIGL SOCCER Lab Montreal PQ Canada

ISBN: (纸本)9781424486298

Despite the large number of quality models and publicly available quality assessment tools like PMD, Checkstyle, or FindBugs, very few studies have investigated the use of quality models by developers in their daily activities. One reason for this lack of studies is the absence of integrated environments for monitoring the evolution of software quality. We propose SQUANER (Software QUality ANalyzER), a framework for monitoring the evolution of the quality of object-oriented systems. SQUANER connects directly to the SVN of a system, extracts the source code, and perform quality evaluations and faults predictions every time a commit is made by a developer. After quality analysis, a feedback is provided to developers with instructions on how to improve their code.

关键词： SQUANER Software QUality ANalyzER faults prediction object-oriented methods object-oriented systems quality assessment tool quality evaluation software fault tolerance software maintenance software quality software quality analysis software systems

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RESOURCE MANAGEMENT IN SAS SIMULATION STUDIO

RESOURCE MANAGEMENT IN SAS SIMULATION STUDIO

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2010 Winter Simulation Conference

作者： Chen, Hong Lada, Emily SAS Inst Inc Cary NC 27513 USA

ISBN: (纸本)9781424498642

We present an overview of resource management in SAS Simulation Studio, an object-oriented, Java-based application for building and analyzing discrete-event simulation models. In Simulation Studio, resources are modeled as special types of hierarchical entities that can be assigned attributes and flow through the model. Furthermore, resource entities can be seized and released by other entities to fulfill resource demands. Flexible resource entity rules are used to specify these demands, as well as the requirements of other resource operations, such as state and capacity changes. The hierarchical, entity-based approach in Simulation Studio allows the user more control over resource behavior and provides many advantages over alternative resource management techniques, especially in the areas of resource scheduling and preemption.

关键词： Java SAS simulation studio discrete event simulation discrete event simulation models object oriented Java based application object-oriented methods resource allocation resource management resource scheduling

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Mutation testing in procedural and object-oriented paradigms: An evaluation of data structure programs

Mutation testing in procedural and object-oriented paradigms...

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24th Brazilian Symposium on Software Engineering, SBES 2010

作者： Campanha, Diogo N. Souza, Simone R. S. Maldonado, José C. ICMC USP São Carlos SP Brazil

ISBN: (纸本)9780769542737

Few studies have been carried out with the objective of comparing criteria in different paradigms. This work presents an experimental study comparing the cost of mutation analysis in the Procedural and Guided objects paradigms. A set of 32 programs implemented in C and Java was used. The tools Proteum and MuClipse were used. The strength of an adequate set of test cases comparing a program in one paradigm to the same version of the program implemented in the other paradigm of interest was also evaluated (cross scoring). Results indicate that as much the cost, the strength of the mutation test is greater in programs implemented in the Procedural paradigm compared to the OO paradigm

关键词： anÃ¡lise de mutantes custo data structure programs data structures mutation testing object oriented paradigms object-oriented methods teste de mutaÃ§Ã£o

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A recommendation system to support design patterns selection

A recommendation system to support design patterns selection

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2010 IEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC 2010

作者： Navarro, Ignacio Díaz, Paloma Malizia, Alessio Computer Science Universidad Carlos III DEI Lab Leganés Madrid Spain

ISBN: (纸本)9780769542065

Pattern languages might be useful tools for design as far as designers can identify the right patterns. For this users need to understand the relationships between patterns and how to combine them. In this process, knowing how patterns have been used by other designers might help in identifying the best combination of solutions. In this paper we propose a module that recommends patterns based on the selection already made by them, with a view to supporting designers in making the correct design decisions. © 2010 IEEE.

关键词： component design decisions design patterns design patterns selection information filtering object-oriented methods pattern languages recommendation algorithms recommendation system recommender systems

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