• 한국CDE학회지
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• 제3권3호
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• pp.36-45
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• 1997

This paper presents the research on the development of Generic modeling system as a 3D CAD customizing system for the elevator design. This system enables to create a generic model which gives birth to many models. The generic model is expressed as a non-scale model or a standard model in this paper. Using the parametric design techniques, all their relationships are explicitly represented in the tables, not represented in implicit embedded coding. Owing to this method, designers can easily extend the generic model to contain more model families. All parametric relations are stored in relational database. A designer can retrieve various models from a generic model automatically, by using some key input values.

• 한국전자통신학회논문지
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• 제8권8호
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• pp.1187-1193
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• 2013

본 논문은 사실적인 3D 얼굴 모델링과 얼굴 표정 생성 시스템을 제안한다. 사실적인 3D 얼굴 모델링 기법에서 개별적인 3D 얼굴 모양과 텍스쳐 맵을 만들기 위해 Generic Model Fitting 기법을 적용하였다. Generic Model Fitting에서 Deformation Function을 계산하기 위해 개별적인 얼굴과 Generic Model 사이의 대응점을 결정하였다. 그 후, Calibrated Stereo Camera로부터 캡쳐 된 영상들로부터 특징점을 3D로 복원하였다. 텍스쳐 매핑을 위해 Fitted된 Generic Model을 영상으로 Projection하였고 사전에 정의된 Triangle Mesh에서 텍스쳐를 Generic Model에 매핑 하였다. 잘못된 텍스쳐 매핑을 방지하기 위해, Modified Interpolation Function을 사용한 간단한 방법을 제안하였다. 3D 얼굴 표정을 생성하기 위해 Vector Muscle기반 알고리즘을 사용하고, 보다 사실적인 표정 생성을 위해 Deformation 과 vector muscle 기반의 턱 rotation을 적용하였다.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 1998년도 하계종합학술대회논문집
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• pp.729-732
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• 1998

ITU-T recommends T.120 for multimedia conferencing data protocols. In this paper, generic model of application protocols is shown for guaranteeting internetworking between application protocols in application users. And using generic conference control and multipoint communication service, multipoint binary file transfer application protocol is shown throughout application protocol generic model on public session environment.

• 한국시스템다이내믹스연구
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• 제9권2호
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• pp.27-43
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• 2008

This study investigates market barriers in increasing the market share of Alternative Fuel Vehicles (AFVs). In particular, this study first conceptualizes the AFVs market model with the aid of generic system archetypes suggested by Wolstenholme. Among four generic system archetypes suggested by Wolstenholme, the market structure of AFVs can be explained by the 'relative achievement' archetype. Starting from the generic system archetype, this study extends the model boundary step by step to take account of various model assumptions necessary to simulate the model numerically. If there is a significant network effect on vehicle operating costs, it is difficult to achieve the shift to AFVs even in the long term without a policy intervention because the car market is locked into the current structure. There are several possible policy options to break the 'locked-in' structure of the car market, such as subsidies on vehicles, subsidies on fuels, and a niche management policy.

• 한국전자거래학회지
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• 제8권1호
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• pp.103-111
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• 2003

Nowadays XML is used for exchanging information in e-Commerce, especially B2B. Necessity of XML DBMS has being increased to efficiently process XML data. So a lots of database products for supporting XML are rapidly appeared in the market. In this paper, we made an XML DBMS system based on Generic Data Model. First we developed XML Adaptor based on Generic Data Model and added it on relational DBMS for developing XML DBMS. XML Adaptor is composed of Query Convertor and XML Repository System. The Query Convertor parse commands that are for XML data manipulation and then call the relevant component of XML Repository System for relational database operation. The XML Repository System handles relational database operations such as create, delete, store, and etc. In this way we can use a relational DBMS for manipulation XML data. Therefor we can build more economically XML DBMS.

• 음성과학
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• 제10권2호
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• pp.15-25
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• 2003

In this paper, we propose an algorithm on OOV(Out-of-Vocabulary) rejection based on two-stage method. In the first stage, the algorithm rejects OOVs using generic word model, and then in the second stage, for further reduction of false acceptance, it rejects words which have low similarity to the candidate by measuring the distance between HMM models. For the experiment, we choose 20 in-vocabulary words out of PBW445 DB distributed by ETRI. In case that the first stage is processed only, the false acceptance is 3% with 100% correct acceptance, and in case both stages are processed, the false acceptance is reduced to 1% with 100% correct acceptance.

• 한국CDE학회논문집
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• 제15권4호
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• pp.297-305
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• 2010

Medical image acquisition techniques such as CT and MRI have disadvantages in that the numerous time and efforts are needed. Furthermore, a great amount of radiation exposure is an inherent proberty of the CT imaging technique, a number of side-effects are expected from such method. To improve such conventional methods, a number of novel methods that can obtain 3D medical images from a few X-ray images, such as algebraic reconstruction technique (ART), have been developed. Such methods deform a generic model of the internal body part and fit them into the X-ray images to obtain the 3D model; the initial shape, therefore, affects the entire fitting process in a great deal. From this fact, we propose a novel method that can generate a 3D vertebraic generic model based on the statistical database of CT scans in this study. Moreover, we also discuss a method to generate patient-tailored generic model using the facts obtained from the statistical analysis. To do so, the mesh topologies of CT-scanned 3D vertebra models are modified to be identical to each other, and the database is constructed based on them. Furthermore, from the results of a statistical analysis on the database, the tendency of shape distribution is characterized, and the modeling parameters are extracted. By using these modeling parameters for generating the patient-tailored generic model, the computational speed and accuracy of ART can greatly be improved. Furthermore, although this study only includes an application to the C1 (Atlas) vertebra, the entire framework of our method can be applied to other body parts generally. Therefore, it is expected that the proposed method can benefit the various medical imaging applications.

• 지능정보연구
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• 제13권1호
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• pp.29-47
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• 2007

유비쿼터스 시스템의 중요한 목적은 사용자의 상황을 빠르고 정확하게 인식하여, 선응적인 서비스를 사용자에게 제공해 주는 것이다. 또한 우수한 상황인식 시스템을 위해서는 상황모형이 시스템의 목적에 맞게 잘 설계되어야 한다. 특별히 유비쿼터스 시스템이 특정 도메인의 제약을 뛰어 넘어 통합 환경에서 서비스 제공하는 것을 지향하기 때문에, 기존의 단일 혹은 한정적 서비스만을 고려한 도메인 제한적 상황모형보다는 다중적 서비스에 활용될 수도 있도록 보다 더 일반적인 상황모형(generic context model)을 활용하는 것이 바람직할 것이다. 따라서 본 논문은 다중적 유비쿼터스 서비스에 적합한 상황모형을 이용하여 이질적인 유비쿼터스 환경에서 상황정보를 보다 잘 표현할 수 있도록 하는 일반적 상황모형을 제안하는 것을 목적으로 한다.

• International Journal of Computer Science & Network Security
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• 제21권7호
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• pp.56-62
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• 2021

The surge in generic attacks execution against cipher text on the computer network has led to the continuous advancement of the mechanisms to protect information integrity and confidentiality. The implementation of explicit decision tree machine learning algorithm is reported to accurately classifier generic attacks better than some multi-classification algorithms as the multi-classification method suffers from detection oversight. However, there is a need to improve the accuracy and reduce the false alarm rate. Therefore, this study aims to improve generic attack classification by implementing two hybridized decision tree algorithms namely Naïve Bayes Decision tree (NBTree) and Logistic Model tree (LMT). The proposed hybridized methods were developed using the 10-fold cross-validation technique to avoid overfitting. The generic attack detector produced a 99.8% accuracy, an FPR score of 0.002 and an MCC score of 0.995. The performances of the proposed methods were better than the existing decision tree method. Similarly, the proposed method outperformed multi-classification methods for detecting generic attacks. Hence, it is recommended to implement hybridized decision tree method for detecting generic attacks on a computer network.

• 융합신호처리학회논문지
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• 제8권4호
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• pp.272-278
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• 2007

본 논문에서는 모델 기반 접근 방법을 이용하여 임베디드 소프트웨어를 개발하기 위한 자동화된 API 변환기에 대하여 기술한다. MDA(Model Driven Architecture)가 임베디드 소프트웨어의 개발에 관해서는 지원이 매우 미약하기 때문에, 우리는 MDA의 장점인 구현 공정의 자동화를 포함하면서도 실시간 오버헤드 문제를 해결할 수 있는 새로운 접근 방법을 제시한다. 첫 번째로, 어느 특정 RTOS에 의존하지 않지만 전형적인 RTOS 서비스들의 대부분을 제공할 수 있도록 Generic API를 정의한다. 우리는 이 Generic API를 이용하여 타겟 응용프로그램의 RTOS와 관련된 행동을 CIC(Common Intermediate Code)에서 표현할 수 있다. 그 다음에, Generic API를 이용하여 기술된 CIC를 특정 RTOS에서 수행할 수 있는 C-코드로 변환할 수 있는 변환 툴을 제안한다. 제안된 API 변환기는 외부에 정의되어 있는 XML 변환 규칙을 이용하여 코드를 변환한다. 따라서 API 변환기는 이 변환 규칙을 수정하거나 추가하여 다른 RTOS로 적용할 수 있도록 확장이 가능하다. 실험을 통하여 제안된 방법을 확인한다.