• KSII Transactions on Internet and Information Systems (TIIS)
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• 제14권10호
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• pp.4098-4116
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• 2020

Mobile devices such as smartphones are very attractive targets for augmented reality (AR) services, but their limited resources make it difficult to increase the number of objects to be recognized. When the recognition process is scaled to a large number of objects, it typically requires significant computation time and memory. Therefore, most large-scale mobile AR systems rely on a server to outsource recognition process to a high-performance PC, but this limits the scenarios available in the AR services. As a part of realizing large-scale standalone mobile AR, this paper presents a solution to the problem of accuracy, memory, and speed for large-scale object recognition. To this end, we design our own basic feature and realize spatial locality, selective feature extraction, rough pose estimation, and selective feature matching. Experiments are performed to verify the appropriateness of the proposed method for realizing large-scale standalone mobile AR in terms of efficiency and accuracy.

• International Journal of Contents
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• 제15권3호
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• pp.21-31
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• 2019

This study employs an experimental design to investigate the conditions under which the use of AR may be particularly effective or rather ineffective in advertising contexts. We first discuss the inconsistent results regarding the effectiveness of AR on advertising message comprehension and argue that these inconsistencies can be at least partly explained by the moderating effect of an individual's resistance to innovation (i.e., AR technologies). We then provide statistically significant interaction effects between ad types (AR-based, traditional 2D) and innovation resistance. Finally, we suggest that the effect of AR on certain variables is constrained or unconstrained by an individual's level of receptivity or resistance to a new technology-based advertising platform, and that flow experience is equivalent regardless of these levels.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2008년도 정기학술발표대회 논문집
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• pp.658-661
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• 2008

본 연구는 증강현실 기술을 이용하여 토목시설물의 효율적인 현장 진도관리가 가능하도록 하는 AR-4D CAD의 구축 방법론을 제시하는 것이 목적이다. 이를 위해 증강현실의 4D CAD 적용성을 평가하고 AR-4D CAD시스템 구축을 위한 기술적 요구사항, 정보 흐름체계, 통합 인터페이스를 제시하였다. 이를 기반으로 실시간 진도관리의 시각화가 가능한 AR-4D CAD의 주요 기능을 분류하여 운용 시나리오를 제안하고 있다.

• International Journal of Contents
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• 제15권4호
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• pp.36-43
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• 2019

This is an integrative review paper of Augmented Reality (AR)/Virtual Reality (VR) simulation programs in the mental health area including the analysis of the general characteristics, contents, and the impact of the interventions studies. The keywords used to search the studies were "AR/VR" and "medical/nursing students". The author and a postdoctoral research fellow searched four electronic databases: Web of Science, PubMed, EmBase, and CINHA, and as a result nine studies met the inclusion criteria. Among the selected studies AR/VR simulation programs in the mental health area for healthcare professionals were found to be effective in clinical skills as well as for the interpersonal relationship and the stigma of mentally ill patients. Providing an opportunity to experience a safe and effective tool is important when educating health professionals and AR/VR simulation programs are safe and effective. Thus, standardized AR/VR simulation programs are needed to be developed for health professionals.

• 융합보안논문지
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• 제11권6호
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• pp.17-23
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• 2011

본 논문에서는 기존의 이러닝(e-learning)에서 발전한 모바일 증강현실(AR: Augmented Reality)을 활용한 스마트 러닝(smart learning) 시스템을 제안한다. 모바일의 하드웨어 발전과 확산으로 인해 눈으로 보는 현실 세계에 가상 물체를 겹쳐 보여주는 증강현실 관련 서비스가 증가하고 있다. 모바일을 이용한 증강현실 서비스는 언제 어디서나 제약을 받지 않고 사용자가 원하는 정보를 현실 세계에서 얻을 수 있다. 현재까지는 엔터테인먼트 사업, 마케팅, 위치 기반 서비스와의 연계를 통한 활용이 많은데, 앞으로 증강현실의 응용분야 중에서 가장 유망한 분야 중의 하나가 교육이다. 사용자에게 생동감 있는 영상을 보여줄 수 있기 때문에 현실감과 집중력을 높일 수 있다. 본 논문에서는 모바일에 장착된 GPS, 디지털 나침반, 기울기 센서로 구현하는 위치 기반 기술에서 벗어나 카메라 입력을 통한 이미지 기반 기술을 활용하여 스마트러닝 시스템을 제안한다.

• 한국컴퓨터정보학회논문지
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• 제23권9호
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• pp.15-20
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• 2018

Currently the mobile augmented reality does not require supplemental hardware, such as markers like specific images or depth cameras, in order to acquire 3D environment information. This allows for increased accessibility and usability for the general user, and also broadened scope of development. The market research enterprise Counterpoint Research predicted that the growth of the augmented reality market will reach 70 trillion Korean Won by 2021. Application developments are also progressing. Wargaming, the developer of the global game World of Tanks, has launched an application that uses AR core at the GDC 2018. Thus, we must prepare for the impending augmented reality market and acquire top class augmented reality technology using 3D environment. This paper outlines the development of a game using AR CORE SDK to acquire 3D environment and Unity 3D game engine to combine camera images and 3D graphics, which all comes together to construct a natural augmented reality.

• 디지털산업정보학회논문지
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• 제17권4호
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• pp.1-11
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• 2021

In this paper, we explain the purpose of building a mobile app called "ARnetView" that can use the AR(augmented Reality)based calling function and AR based content creation function, and as well as an AR based data center that can share AR based video streaming and AR based contents on smartphones and tablet devices. For the AR(Augmented Reality) based data center implement, we have developed a mobile application and implemented a service system including an AR(augmented Reality) based calling function and AR based content production and AR based video streaming functions for real-time communication to connect a field technician and an expert so that the expert can see and discuss the situation in the field and technician and experts, they can draw digital annotation on mobile screen that accurately stick to 3D physical objects, allowing the expert to guide the technician step by step. In result, it provides a remote technical collaboration environment between field technician and expert. In addition, AR(Augmented Reality) collaboration service Platform was designed and implemented to increase work speed, efficiency, and utilization of advanced technicians, improve continuous productivity of equipment and facilities, maximize equipment and facility utilization, and strengthen industrial competitiveness. Therefore, through this, the AR collaboration service Platform can be applied to the industrial field, the medical field, and the entertainment/education field.

• 디지털융복합연구
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• 제12권8호
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• pp.467-474
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• 2014

스마트한 환경에서 증강현실은 사용자와 매체간의 인터랙션을 통해서 다양한 경험의 확장을 제공한다. 위치 정보를 사용하는 방식, 마커를 사용하는 방식, 실시간 인터랙션을 활용한 마커리스 맵핑 방식등 실세계와 가상세계의 실시간으로 중간역할을 자리잡고 있다. 경험 확장의 한 요소이고, 현실세계의 정보를 증강하는 도구로써 활용되어지고 있다. 에듀테인먼트 교육적인 컨텐츠 관점에서 AR카드를 활용하였고, 마커리스방식으로 실시간 이미지 맵을 만들어 도시화 이미지 맵을 제작하였다. 3D환경에서의 입체영상을 활용한 오브젝트 제작과 증강현실을 접목한 인터랙션 교육컨텐츠 방식이다. 수동적인 관점에서 능동적이고 몰입도와 현실감 흥미를 높여주고 텐저블의 방식을 유도한다. AR카드에서 경험요소인 공간(활용), 시각(효과), 촉각(연동)을 활용하고 감각적 몰임감, 감각적 현실감, 인지적 조작성, 사회적 협력성, 인지적 융통성, 인지적 통찰성 등의 다양한 교육적 효과를 성취할수 있다. 스마트한 환경에서의 AR 마크리스 방식을 적용하여 AR카드를 활용한 이미지마크, 3D, AR 관점에서 분석하였다.

• Journal of Multimedia Information System
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• 제7권1호
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• pp.25-32
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• 2020

This paper proposes a mobile augmented reality mashup for cultural heritage sites such as natural monuments. Several benefits of mobile augmented reality solutions are ideal for preserving and protecting cultural heritage sites. By presenting mobile augmented reality mashup scenarios and mobile mashup framework, we introduce how user-generated multimedia contents can be added. We present two scenarios of Mashup Viewer and Mashup Maker. In Mashup Viewer mode, visitors can create new AR contents using mashup tools for memo, Twitter, images and statistical graphs. In Mashup Maker mode, other visitors also can view the user-generated multimedia AR contents using QR codes as access points. To show feasibility of our approach in mobile platforms, we compare several detection algorithms on PC and mobile platform and report on deployment of our approach in a natural monument museum. With our proposed mashup tools, visitors to the cultural heritage sites can enjoy default AR contents provided by the site administrators and also participate as active content producers and consumers.

• 한국게임학회 논문지
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• 제17권4호
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• pp.47-54
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• 2017

포켓몬고 게임의 인기로 실외 증강현실 게임에 대한 관심이 높아졌다. 본 논문은 실외 증강현실 슈팅 게임을 위한 권총형 모션 컨트롤러와 이와 연동하는 증강현실 게임 콘텐츠를 소개한다. 기존의 증강현실 게임용 총 컨트롤러는 방아쇠 인터랙션만 지원하고 있지만, 제안하는 장치는 모션 인터랙션으로도 게임을 조작할 수 있어, 실외에서도 총기류를 이용한 슈팅 게임을 몰입하여 즐길 수 있다.