• Title/Summary/Keyword: 템플릿 모델링

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A Technique of Reusable and Reliable Device Driver Development For Embedded-Linux System (재사용성 및 신뢰성을 고려한 리눅스기반 임베디드 디바이스 드라이버 개발 기법)

  • Choi, Jae-Hyun;Lee, Woo-Jin;Chon, Ki-Won
    • The KIPS Transactions:PartD
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    • v.12D no.7 s.103
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    • pp.1065-1070
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    • 2005
  • According to the development of embedded systems, they are used in various fields. However, the productivity and the quality of embedded systems are not acceptable because of the hardware environment-oriented development. Several works has proposed new techniques using a formal specification method or complex template, but due to high complexity and low flexibility of the method, it is difficult to be used. Accordingly, this paper presents a new approach to develop embedded device drivers which are kinds of embedded system software. In our approach, we define a light device driver template for ensuring high flexibility and productivity and generate the device driver by incorporating with embedded system information represented by XML. By using XML we consider the design phase in device driver development process for the quality of the driver. Our approach, improves the reusability of embedded device driver and finally, it will improve productivity and quality of embedded system.

Implementation Of On-Line Ordering System Using EJB (EJB를 이용한 온라인 주문 시스템 구현)

  • 신용녀;최진영
    • Proceedings of the Korean Information Science Society Conference
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    • 2000.10c
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    • pp.298-300
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    • 2000
  • 복잡한 시스템을 구현하는데 컴포넌트의 사용이 유용하다는 것은 이미 누구나 인지하고 있는 사실이다. 엔터프라이즈 자바 빈즈(Enterprise JavaBeans, EJB)는 컴포넌트 트랜잭션 모니터를 위한 표준 서버측 컴포넌트 모델이다. 엔터프라이즈 자바 빈즈 아키텍쳐를 이용해 만들어진 어플리케이션은 확장성이 있고, 트랜잭션을 보장할 수 있으며, 다수 사용자 환경에서도 안전하다. 기존의 객체지향 방법론으로 어플리케이션을 개발하더라도 진정한 소프트웨어 재 사용성을 보장할 수 없었다. 그러나 EJB 아키텍쳐를 사용하면 소프트웨어 재 사용성을 보장하고 보다 용이하게 새로운 어플리케이션을 개발할 수 있다. 본 논문은 정확한 분석과 설계를 위하여, Rational rose의 UML을 이용하여 시스템을 모델링하고, 템플릿 제너레이트인 인라인(inline)과 비주얼 카페를 연동하여 온라인 주문 시스템을 구현하였다.

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Texture Mapping and 3D Face Modeling using Two Views of 2D Face Images (2장의 2차원 얼굴영상을 이용한 텍스쳐 생성과 자동적인 3차원 얼굴모델링)

  • Weon, Sun-Hee;Kim, Gye-Young
    • Journal of KIISE:Computing Practices and Letters
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    • v.15 no.9
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    • pp.705-709
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    • 2009
  • In this paper, we propose 3d face modeling using two orthogonal views of 2D face images and automatically facial feature extraction. Th proposed technique consists of 2 parts, personalization of 3d face model and texture mapping.

Design of Semantic Models for Teaching and Learning based on Convergence of Ontology Technology (온톨로지 기술 융합을 통합 교수학습 시맨틱 모델 설계)

  • Chung, Hyun-Sook;Kim, Jeong-Min
    • Journal of the Korea Convergence Society
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    • v.6 no.3
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    • pp.127-134
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    • 2015
  • In this paper, we design a semantic-based syllabus template including learning ontologies. A syllabus has been considered as a important blueprint of teaching in universities. However, the current syllabus has no importance in real world because most of all syllabus management systems provide simple functionalities such as, creation, modification, and retrieval. In this paper, our approach consists of definition of hierarchical structure of syllabus and semantic relationships of syllabuses, formalization of learning goals, learning activity, and learning evaluation using Bloom's taxonomy and design of learning subject ontologies for improving the usability of syllabus. We prove the correctness of our proposed methods according to implementing a real syllabus for JAVA programing course and experiments for retrieving syllabuses.

Construction of 3D CAD Template for the Efficient Design of Refrigerator Components (냉장고 부품 설계 효율화를 위한 3D CAD 템플릿 구축)

  • Lim, O-Kaung;Park, Sam-Kyu;Choi, Eun-Ho
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.22 no.3
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    • pp.243-250
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    • 2009
  • In order to reduce the time needed for design, enterprises recently need the customizing technology that can modify the functions of existing CAD systems according to the their purposes. So most of the companies developing commercial CAD system are providing API to make possible the preparation of macro or external programs, which allow automatic performance of a series of repeated tasks. The objective of the present paper is to achieve more convenient carrying out of a particular modeling, by developing 3D CAD template of the standardized engineering rule of the particular model in order to establish a knowledge-based product development system. The formula, data and design knowledge which are required for the designing of the components of refrigerator were made into a program by means of Unigraphics' UG/Open API. And examples of such a development were presented. By using them in connection with commercial CAD system, design verification and modification were efficiently applied to the product design business.

Improving Extensibility of DEVS Simulation Environment with Model Base by using Event Control Model Templates (이벤트 제어 모델 템플릿을 사용한 모델 라이브러리 기반 DEVS 시뮬레이션 환경의 확장성 개선)

  • Kwon, Se Jung;Lee, Jun Hee;Choi, Changbeom;Kim, Tag Gon
    • Journal of the Korea Society for Simulation
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    • v.27 no.1
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    • pp.91-99
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    • 2018
  • Discrete event simulation environments often need to be modified because additional questions to systems may become apparent while observing the simulation results repeatedly. It leads to increasing development budget and depreciating the effectiveness of the environment. To avoid the modifications and to generate the altered results, this paper applies an Event Control Model (ECM) with control functions that modulate, delete and generate the events at the simulation time. In addition, this paper suggests an easier approach for domain-users, who do not want to program at source code level, by using ECM templates. The simulators with the ECMs can have better extensibility because it becomes more adaptable to possibly unanticipated changes. It prevents increasing development costs due to modifications or development of new models by M&S experts, and it provides a new alternative step to domain users. To support the effectiveness of this approach, this paper describes a relevant example, which is composed of an initial simulation model based on our empirical studies. It will show that there exist the uncountable benefits because the existing simulator is reused by domain users without new projects.

Development of Green Template for Building Life Cycle Assessment Using BIM (건축물 LCA를 위한 BIM 친환경 템플릿 개발에 관한 연구)

  • Lee, Sung Woo;Tae, Sung Ho;Kim, Tae Hyoung;Roh, Seung Jun
    • Spatial Information Research
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    • v.23 no.1
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    • pp.1-8
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    • 2015
  • The purpose of this study is to develope BIM Template according to major building material for efficiently and quantitatively evaluating greenhouse gas emission at the design stage. Template users consider various environmental impacts without connecting simulation tools for analyzing environmental impact and Template users who have no prior knowledge can Life Cycle Assessment by using The green template. For this study, Database which was reflected in template was constructed considering environmental performance. and 6 kinds of environmental impact categories and PPS standard construction codes were analyzed by major building material derived from literature. Based on this analyzed data, The major Material Family according to the main building material was developed. When users conduct modeling by utilizing Family established, evaluating result can be confirmed in the Revit BIM Modeling program by using the schedule function of the Revit. Users through the modeling, the decision-making environment performance possible. In addition, we propose to create a guideline for the steps required to build an additional established family.

Brain MRI Template-Driven Medical Images Mapping Method Based on Semantic Features for Ischemic Stroke (허혈성 뇌졸중을 위한 뇌 자기공명영상의 의미적 특징 기반 템플릿 중심 의료 영상 매핑 기법)

  • Park, Ye-Seul;Lee, Meeyeon;Lee, Jung-Won
    • KIPS Transactions on Software and Data Engineering
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    • v.5 no.2
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    • pp.69-78
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    • 2016
  • Ischemic stroke is a disease that the brain tissues cannot function by reducing blood flow due to thrombosis or embolisms. Due to the nature of the disease, it is most important to identify the status of cerebral vessel and the medical images are necessarily used for its diagnosis. Among many indicators, brain MRI is most widely utilized because experts can effectively obtain the semantic information such as cerebral anatomy aiding the diagnosis with it. However, in case of emergency diseases like ischemic stroke, even though a intelligent system is required for supporting the prompt diagnosis and treatment, the current systems have some difficulties to provide the information of medical images intuitively. In other words, as the current systems have managed the medical images based on the basic meta-data such as image name, ID and so on, they cannot consider semantic information inherent in medical images. Therefore, in this paper, to provide core information like cerebral anatomy contained in brain MRI, we suggest a template-driven medical images mapping method. The key idea of the method is defining the mapping characteristics between anatomic feature and representative images by using template images that can be representative of the whole brain MRI image set and revealing the semantic relations that only medical experts can check between images. With our method, it will be possible to manage the medical images based on semantic.

Parametric Modeling Method for 3D Assembly Design of Parts Composing Superstructure Module on Modular Steel Bridge (모듈러 강교량 상부모듈 구성파트의 3차원 조립설계를 위한 파라메트릭 모델링 방법)

  • Lee, Sang Ho;An, Hyun Jung
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.33 no.1
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    • pp.35-46
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    • 2013
  • A parametric modeling method, one of the core technology of BIM (Building Information Modeling), is proposed for efficient 3D assembly design among components of a superstructure module of modular steel bridge. Assembly system is classified into 3 levels as LoD (Level of Details) for 3D assembly design of the parts. Components forming 3D shape of the parts are identified and defined as parameters, variables depending on parameters, or constants independent of the parameters. Then, spatial assembly rules among the parts are defined according to the assembly system. Positional relations among the identified shape components are defined for mating spatial position and geometrical relations are defined for constraining degree of freedom on X, Y, and Z axis. Finally, a standardized template is designed by applying the rules to 3D based assembly design for the parts of the superstructure module. In addition, applicability of the parametric modeling method is demonstrated by testing the shape variation of the superstructure module according to changing the defined parameters.

Real-Time Object Detection System Based on Background Modeling in Infrared Images (적외선영상에서 배경모델링 기반의 실시간 객체 탐지 시스템)

  • Park, Chang-Han;Lee, Jae-Ik
    • Journal of the Institute of Electronics Engineers of Korea CI
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    • v.46 no.4
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    • pp.102-110
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    • 2009
  • In this paper, we propose an object detection method for real-time in infrared (IR) images and PowerPC (PPC) and H/W design based on field programmable gate array (FPGA). An open H/W architecture has the advantages, such as easy transplantation of HW and S/W, support of compatibility and scalability for specification of current and previous versions, common module design using standardized design, and convenience of management and maintenance. Proposed background modeling for an open H/W architecture design decreases size of search area to construct a sparse block template of search area in IR images. We also apply to compensate for motion compensation when image moves in previous and current frames of IR sensor. Separation method of background and objects apply to adaptive values through time analysis of pixel intensity. Method of clutter reduction to appear near separated objects applies to median filter. Methods of background modeling, object detection, median filter, labeling, merge in the design embedded system execute in PFC processor. Based on experimental results, proposed method showed real-time object detection through global motion compensation and background modeling in the proposed embedded system.