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상업용 게임 엔진을 활용한 전투 시뮬레이션 결과의 협업 가시화
김형기,김정훈,강윤아,신수철,김임규,한순흥,Kim, Hyungki,Kim, Junghoon,Kang, Yuna,Shin, Suchul,Kim, Imkyu,Han, Soonhung 한국시뮬레이션학회 2013 한국시뮬레이션학회 논문지 Vol.22 No.4
재사용 가능한 3차원 가시화 도구의 개발에 대한 요구는 다양한 분야에서 제기되어 왔다. 특히 국방 모델링 및 시뮬레이션 분야에서는 시뮬레이션 결과의 다각적인 검증 및 분석을 통한 효율적인 의사결정을 수행하기 위해 이러한 요구사항에 맞는 시스템들이 개발되어 왔다. 또한 최근에는 이러한 효과를 극대화하기 위하여 VR 및 AR 기술을 적극적으로 활용하는 사례가 늘어나는 추세이다. 본 연구에서는 상업용 게임 엔진을 통한 전투 시뮬레이션 결과의 협업 가시화 도구의 설계 방안에 대해 소개한다. 이를 위해 SIMDIS나 Vega Prime과 같은 기존 도구 및 엔진의 장/단점 분석을 통해 본 연구에서 목표로 하는 협업 가시화 환경의 요구사항을 정의하였고, 이를 만족하는 시스템 개발을 위해 상업용 게임 엔진을 어떻게 활용하며, 어떤 이점을 갖는지를 제시한다. 구현된 프로토타입 시스템은 KAIST의 몰입형 가상현실 시설인 iCAVE, 그리고 스마트 디바이스들과 연동하여 협업 가시화 환경을 제공한다. The needs for reusable 3D visualization tool has been being raised in various industries. Especially in the defense modeling and simulation (M&S) domain, there are abundant researches about reusable and interoperable visualization system, since it has a critical role to the efficient decision making by offering diverse validation and analyzing processes. To facilitate the effectiveness, states-of-the-arts M&S systems are applying VR (Virtual Reality) or AR (Augmented Reality) technologies. To reduce the work burden authors design a collaborative visualization environment based on a commercial game engine Unity3D. We define the requirements of the warfare simulation by analyzing pros and cons of existing tools and engines such as SIMDIS or Vega, and apply functionalities of the commercial game engine to satisfy the requirements. A prototype has been implemented as the collaborative visualization environment of iCAVE at KAIST, which is a facility for immersive virtual environment. The facility is intraoperative with smart devices.
모바일 맵핑 시스템의 파노라마 이미지와 디지털 맵을 활용한 3 차원 실사 도시 모델의 자동 생성 프레임워크
김형기(Hyungki Kim),강윤아(Yuna Kang),한순흥(Soonhung Han) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.2
3D city model, which consisted of the 3D building models and their geospatial position and orientation, is becoming a valuable resource in virtual reality, navigation systems, civil engineering, etc. The purpose of this research is to propose the new framework to generate the 3D city model that satisfies visual and physical requirements in the virtual training system for ground vehicle. At the same time, the framework should meet the demand of the automatic creation and cost-effectiveness, which facilitates the usability of the proposed method. To do that, we suggests the approach of using mobile mapping system which automatically gathers high resolution images and supplement sensor information like position and direction of the image. And to resolve the problem from the sensor noise and a large number of the occlusions, the fusion of digital map data is proposed. This paper describes the overall framework with 4 major process and the recommended or demanded techniques for each processing step.
전 방향 이미지와 디지털 맵을 활용한 3차원 실사 도시모델 생성 기법 연구
김형기(Hyungki Kim),강윤아(Yuna Kang),한순흥(Soonhung Han) (사)한국CDE학회 2014 한국CDE학회 논문집 Vol.19 No.3
3D city model, which consisted of the 3D building models and their geospatial position and orientation, is becoming a valuable resource in virtual reality, navigation systems, civil engineering, etc. The purpose of this research is to propose the new framework to generate the 3D city model that satisfies visual and physical requirements in ground oriented simulation system. At the same time, the framework should meet the demand of the automatic creation and cost-effectiveness, which facilitates the usability of the proposed approach. To do that, I suggest the framework that leverages the mobile mapping system which automatically gathers high resolution images and supplement sensor information like position and direction of the image. And to resolve the problem from the sensor noise and a large number of the occlusions, the fusion of digital map data will be used. This paper describes the overall framework with major process and the recommended or demanded techniques for each processing step.