Journal of the Korea Society of Computer and Information (한국컴퓨터정보학회논문지)

Korean Society of Computer Information (한국컴퓨터정보학회)
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A Development of a Framework for Building Knowledge based Augmented Reality System

지식기반 증강현실 시스템 구축을 위한 프레임워크 개발

  • Woo, Chong-Woo (School of Computer Science, Kookmin University) ;
  • Lee, Doo-Hee (Dept. of Computer Science, Graduate School, Kookmin University)
  • 우종우 (국민대학교 컴퓨터공학부) ;
  • 이두희 (국민대학교 대학원 컴퓨터공학과)
  • Received : 2010.12.02
  • Accepted : 2011.04.06
  • Published : 2011.07.31
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Abstract

Augmented Reality(AR) assists human's cognitive ability through the information visualization by substantiating information about virtual situation. This technology is studied in a variety of ways including education, design, industry, and so on, by various supply of information devices equipped with cameras and display monitors. Since the most of the AR system depends on limited interaction that responds to the order from user, it can not reflect diverse real world situation. In this study, we suggest a knowledge based augmented reality system, which is composed of context awareness agent that provides recognized context information, along with knowledge based component that provides intelligent capability by utilizing domain knowledges. With this capability, the augmented object can generate dynamic model intelligently by reflecting context information, and can make the interaction possible among the multiple objects. We developed rule based context awareness system along with 3D model generation, and tested interaction among the augmented objects. And we suggest a framework that can provide a convenient way of developing augmented reality system for user.

증강현실은 가상의 상황에 대한정보를 실체화하여 영상에 정합하여 제공함으로써 정보의 시각화를 통해 사람의 인지능력을 보조한다. 증강현실 기술은 최근 카메라와 디스플레이 장치가 장착된 정보기기의 보급으로 인하여 교육, 디자인, 관광, 산업분야 등 다양한 연구가 진행되고 있다. 이러한 증강현실 시스템들은 대부분 사용자의 명령에 따라 반응하는 제한적 상호작용을 하기 때문에 실제 세계의 상황을 다양하게 반영하기에는 제한이 있다. 본 연구에서는 기존의 증강현실 시스템을 기반으로 상황정보를 제공하는 상황인지 에이전트와, 영역지식을 기반으로 지능적 기능을 제공할 수 있는 지식기반의 증강현실 시스템을 제안한다. 이러한 시스템은 증강되는 객체가 상황정보를 반영하여 지능적으로 동작하고, 다중 객체 사이의 상호작용을 가능하게 한다. 본 연구에서는 규칙 기반 상황인지 시스템과 이에 따른 3D 모델을 생성하고, 증강되는 객체들 간의 상호작용을 실험하였다. 또한 시스템 개발에 있어 사용들이 쉽게 증강현실 환경을 구현할 수 있는 프레임워크를 제시하였다.

Keywords

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