• Title/Summary/Keyword: 객체모델링

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Generation of semantic Web service based on Ontology by CBD (CBD에 의한 온톨로지 기반 시맨틱 웹 서비스 생성)

  • Ha, Yan
    • The KIPS Transactions:PartD
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    • v.14D no.4 s.114
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    • pp.389-394
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    • 2007
  • This study suggests that it dynamically generates semantic Web services from Java and C++ components in order to supporting semantic Web service by using ontology. And the semantic Web should enable greater access not only to content but also to services on the Web. It needs semantic service discovery for components. So, we add ontology-based framework to Web service generation system from components. Especially, components and ontologies are transformed UML model so that it makes WSDL documents to support a generation of dynamic Web service using object modeling. The main contribution of this study is to generate web service dynamically from components and to support semantic Web environment by using ontology. In other words, this study integrates semantic Web service based on ontology and CBD method.

Free-viewpoint Stereoscopic TIP Generation Using Virtual Camera and Depth Map (가상 카메라와 깊이 맵을 활용하는 자유시점 입체 TIP 생성)

  • Lee, Kwang-Hoon;Jo, Cheol-Yong;Choi, Chang-Yeol;Kim, Man-Bae
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2009.11a
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    • pp.219-222
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    • 2009
  • 자유시점 비디오는 단순히 수동적으로 비디오를 보는 것이 아니라 원하는 시점을 자유로이 선택하여 보는 능동형 비디오이다. 일반적으로 다양한 위치 및 다양한 각도에 위치하는 다수의 카메라로부터 촬영된 영상을 이용하여 제작하는데, 이 기술은 박물관 투어, 엔터테인먼트 등의 다양한 분야에서 활용된다. 본 논문에서는 자유시점 비디오의 새로운 분야로 한 장의 영상을 가상 카메라와 깊이맵을 이용하여 영상 내부를 네비게이션하는 자유시점 입체 Tour-Into-Picture (TIP)을 제안한다. 오래전부터 TIP가 연구되어 왔는데, 이 분야는 한 장의 사진 내부를 탐험하면서 애니메이션으로 볼 수 있게 하는 기술이다. 제안 방법은 전처리과정으로 전경 마스크, 배경영상, 및 깊이맵을 자동 및 수동 방법으로 구한다. 다음에는 영상 내부를 항해하면서 투영 영상들을 획득한다. 배경영상과 전객객체의 3D 모델링 데이터를 기반으로 가상 카메라의 3차원 공간 이동, yaw, pitch, rolling의 회전, look-around effect, 줌인 등의 다양한 카메라 기능을 활용하여 자유시점 비디오를 구현한다. 또한 깊이정보의 특성 및 구조에 따라 놀라운 시청효과를 전달하는 카메라 기능의 설정 방법을 소개한다. 소프트웨어는 OpenGL 및 MFC Visual C++ 기반으로 구축되었으며, 실험영상으로 조선시대의 작품인 신윤복의 단오풍정을 사용하였고, 입체 애니메이션으로 제작되어 보다 실감있는 콘텐츠를 제공한다.

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Simulation Based Performance Assessment of a LIDAR Data Segmentation Algorithm (라이다데이터 분할 알고리즘의 시뮬레이션 기반 성능평가)

  • Kim, Seong-Joon;Lee, Im-Pyeong
    • Journal of Korean Society for Geospatial Information Science
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    • v.18 no.2
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    • pp.119-129
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    • 2010
  • Many algorithms for processing LIDAR data have been developed for diverse applications not limited to patch segmentation, bare-earth filtering and building extraction. However, since we cannot exactly know the true locations of individual LIDAR points, it is difficult to assess the performance of a LIDAR data processing algorithm. In this paper, we thus attempted the performance assessment of the segmentation algorithm developed by Lee (2006) using the LIDAR data generated through simulation based on sensor modelling. Consequently, based on simulation, we can perform the performance assessment of a LIDAR processing algorithm more objectively and quantitatively with an automatic procedure.

Object-Oriented Ship Structural Modeling and its Application to the Automatic Generation of Structural Analysis Model (객체지향 선체모델링과 구조해석모델 자동생성에의 응용)

  • J.S. Yum;C.D. Jang
    • Journal of the Society of Naval Architects of Korea
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    • v.33 no.4
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    • pp.66-74
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    • 1996
  • In this paper, a 3-dimensional ship structural model which includes the longitudinals and stiffeners is constructed. This model can be constructed from the well-defined data structure which represents the ship structural members and their relationship. So the object-oriented concept for the data structure is introduced. The structural analysis model is automatically generated by extracting the necessary information for structural analysis from the ship structural model : Users need to handle the ship structural model only when any design change occurs because the structural analysis model is automatically generated.

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A Study on the BIM-based Green building Simulation System (BIM(Building Information Modeling) 기반의 친환경 건축 시뮬레이션 시스템에 관한 연구)

  • Jeon, Seung-Ho
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2008.11a
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    • pp.758-762
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    • 2008
  • As development of IT technology, Interest of Green building has been increasing rapidly. Because the construction industry is on the center of Green development, Green construction management is demanded for efficient analysis solution of building performance. BIM has a object-oriented parametric modeling technology. IT, which green building's performance management and analysis, is very useful. A green building certification is essential course in the green building construction. So this Paper suggest him based green building simulation system. The him based green building simulation system will support resonable decision making on the early construction phase.

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Extension of UML to Represent Components Interface Focusing on Interaction (상호작용 중심의 컴포넌트 인터페이스를 표현하기 위한 UML의 확장)

  • Park, Seong-Ho;Choe, Eun-Man
    • The KIPS Transactions:PartD
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    • v.9D no.1
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    • pp.65-74
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    • 2002
  • This paper focuses components interactions which is important factor in designing software components. We classified several types of interaction between components and suggested appropriate graphical notation to extend UML and design process with extended method. Suggested notation and process was verified by practical experiment which is performed in travel agent component application. Representing interaction between components is not same to representing association between classes. UML in current version needs to be extended for representing this kind of components interaction. This research covers UML extension for components interaction and experiment for showing effectiveness.

A Study on the Automatic Mesh Generation of the Two Dimensional Structure using Object Oriented Modeling Concept (객체 지향 모델링 개념을 이용한 이차원 구조물의 유한요소 자동 생성에 관한 연구)

  • 장창두;심우승
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 1996.04a
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    • pp.70-77
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    • 1996
  • Recently many efforts have been made to improve the efficiency of design and production of the structures using the automation system. But, this work has been progressed as independent or partial system. And, the study on the integrated system is not sufficient in application for practical problems yet. This paper deals with the fundamental concept of modeling system and application method on structural modeling. At first, the core of the integrated system is a shape modeling system that can represent the geometric and topological information. This system must be designed as an open system to be combined with each independent automation system. The appropriate concept to realize this system on structural modeling is object oriented modeling and this enables to integrate each automation system successfully, This concept was applied to automatic mesh generation. For shape modeling system, half-edge data structure that is being used in solid modeling was modified to handle the plate structure in the plane. And, to generate the triangular meshes, direct node connection method was used. And, as a result, the integrated system that generate the meshes of two dimensional structure automatically was realized. And, programmed by C++, these systems can be combined with other systems easily and have good reusability.

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A Study of Semiconductor Process Simulator with User Friendly Framework (사용자 친숙형 반도체 공정 시뮬레이터의 구성에 관한 연구)

  • 이준하;이흥주
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.5 no.4
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    • pp.331-335
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    • 2004
  • In this paper, we modeling the oxidation, diffusion, and ion-implantation for semiconductor process simulation, and construct the integrated framework for efficient execution and continuous process simulation. For oxidation process, to predict the accurate LOCOS shape and stress distributions, stress-dependent viscous model was performed using SVP algorithm. For diffusion process, predeposition and OED simulation was performed using point defect theory. For ion implantation, Monte-Carlo method based on TRIM simulation was performed with various process conditions. For input to each unit process, we used the dialog boxes which are windows application's standards. This dialog box allows us to verify and minimize input error at input steps. Using the combination of compiler's function and windows's API function, simulation was done with small memory size.

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Design and Implementation of a TMN Agent Platform based on a Multi-thread Parallel Processing Architecture (멀티쓰레드 기반 병렬처리 구조를 이용한 TMN 에이젼트 플랫폼 설계 및 구현)

  • Kim, Seong-U;Kim, Yeong-Tak
    • Journal of KIISE:Computing Practices and Letters
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    • v.5 no.6
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    • pp.793-800
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    • 1999
  • TMN Agent Platform은 망 요소의 운영상태와 자원들을 GDMO에 따라 관리객체(Managed Object : MO)로 모델링 하고, 자원들의 현재 상태를 유지하며, 관리자(Manager)로부터의 망 관리 기능 요구에 따라 조작된다. 그러므로, 에이전트의 성능향상은 전체적인 통신망 관리의 성능향상에 직접적인 영향을 미친다.본 논문에서는 TMN 에이전트의 기능요구 사항을 분석하고, 이를 토대로 성능향상을 위해 멀티스레드 기법을 사용하는 병렬 처리 구조의 TMN Agent Platform의 기능구조를 제시한다. 또한 에이전트와 다양한 자원들간의 효율적인 메시지전달을 위한 체계를 제시하며, 구현된 TMN Agent Platform의 성능을 분석한다.Abstract TMN Agent manages the operational status and real-resources of network elements, such as switching nodes and transmission systems. It performs the requested management functions from manager and maintains consistent status data of real-resource. The performance of agent system affects directly the performance of network management operation. If the agent is implemented by sequential processing scheme with single process, the agent processing can be delayed or blocked according to the status of real-resources. This problem can be solved by parallel and distributed processing scheme.To improve the processing performance of TMN Agent, we propose a TMN Agent Platform's functional architecture that is based on parallel processing with multi-tread and effective message transferring scheme between agent and various real-resource. We analyze the performance of the implemented TMN Agent Platform.

A Study About Verification Model for Cooperation of Software Components of AUML Base (AUML기반의 소프트웨어 컴포넌트들의 협력성을 위한 검증 모텔에 관한 연구)

  • Gawn, Han-Hyoun;Park, Jae-Bock
    • Journal of the Korea Computer Industry Society
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    • v.6 no.3
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    • pp.529-538
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    • 2005
  • AUML (Agent Unified Modeling Language) is specification anger of agent software system, sight anger, language that do creation by purpose. Do so that may apply Together that is one of automation application program creation system to Agent's BDI in trend sophistication of software, large size Tuesday in this research and investigate this about operation between component system. Standard detailed statement (FIPA:Foundation for Inteligent Physical Agent) that use can consist by data exchange between component and cooperate each other even if type of component is different mutually to base ACL message, and protocole use and study about method and accuracy and consistency that minimize error when embody this using meta model base etc.. through object intention modelling.

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