• 디지털융복합연구
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• 제17권8호
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• pp.415-422
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• 2019

게임 세대인 대학생들은 이전세대들과 인지적 특성이 달라서 강의와 같은 기존교육방법에서 주의집중력이 떨어지는 현상들이 전반적으로 나타나고 있다. 이로 인해 대학교육의 만족도가 떨어지는 문제가 발생한다. 이 문제를 해결하기 위해, 게임을 이용한 교육방법으로 학생들의 흥미 유발과 집중력을 향상시킬 수 있다. 본 논문에서는 대체현실게임을 이용한 대학교육방법에 대하여 제안하였다. 제안하는 교육방법이 대학 교육 환경에 적합한지 그리고 실제 운용가능한지를 검증하기 위하여 프로토타입을 구현하여 테스트하였다. 테스트 결과를 통해, 제안하는 교육방법이 대학교육현장의 요구사항들을 만족하고 필수기능들의 정상작동여부도 확인하였다. 또한 학생들을 대상으로 한 설문조사의 결과에 의하면 제안한 대체현실게임 기반 교육방법이 현 교육방법보다 학생에게 흥미유발과 집중력 향상에 도움이 될 것으로 나타났다.

• 한국지능정보시스템학회:학술대회논문집
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• 한국지능정보시스템학회 1999년도 춘계공동학술대회-지식경영과 지식공학
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• pp.361-371
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• 1999

This paper is concerned with designing and implementing the Internet shopping mall by using virtual reality-driven avatar and web decision support system. Traditionally, the Internet shopping mall has been designed based on the combination of several hyperlinks, images, and texts. However, this sort of approach results in a lower performance because possible customers cannot make more accurate shopping decisions. To overcome this kind of pitfalls facing the current Internet shopping malls, we propose using a combination of virtual reality and web DSS. The main virtues of our proposed approach to designing the Internet shopping mall are as follows: First, the virtual reality technique is emerging as one of alternative guaranteeing a sense of reality for customers part and facilitating the complex process of shopping decision makings. Especially, the avatar, which is an artificially designed man working on the Internet, can make easy and absorbing the Internet shopping-related decision making processes. Second, the web DSS approach can provide an effective decision support mechanism for customers. Especially, we design a set of intelligent agents for the proposed web DSS. Experimental results with an illustrative example showed that our proposed approach can yield a new Internet shopping mall paradigm with which customers can benefit from a high level of decision support functions.

• 한국응급구조학회지
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• 제22권2호
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• pp.93-102
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• 2018

Purpose: The study aims to establish an effective training strategy and methods by comparing the effects of educational interest, satisfaction, and achievements of virtual reality and videos education before simulation training. Methods: The randomized control study was implemented on May 31, 2018, by randomly selecting 36 participants to compare educational virtual reality and videos. Statistical analyses were performed using SPSS 20.0. Results: The participants were divided into an intervention group of 17(47.2%) and a control group of 19(52.8%). Regarding the levels of satisfaction, a significant difference (p= .010) was noted between the control (3.88 points) and the intervention groups (4.45 points). A significant difference (p= .001) was also noted between the intervention (80.3 points) and control (63.3 points) in terms of total simulation practical skills. Conclusion: Educational virtual reality can be an alternative training method to achieve the standard educational objectives by raising levels of educational interest and of achievement with practical skills.

• 한국응급구조학회지
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• 제22권3호
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• pp.67-76
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• 2018

Purpose: The purpose of this study was to evaluate the quality of chest compressions and ventilation when using an mechanical device(LUCAS) and 2-men manual cardiopulmonary resuscitation(CPR) performed on a minikin, as well as to propose a more effective CPR method during transit. Methods: Data were collected by LUCAS and manual virtual reality based ambulance simulation. Analysis was performed using SPSS software 12.0. The average and standard deviation of chest compression depth and ventilation were analyzed using descriptive statistics and t-test. Results: In the virtual reality based LUCAS and manual CPR results, LUCAS showed better chest compression and lower incomplete chest release than manual CPR. During CPR with a chest compression-ventilation ratio of 30:2 in virtual reality ventilation with bag-valve mask was able to deliver an adequate volume of breathing. Conclusion: It is suggested that rescuers on ambulance may consider using LUCAS as an alternative to high-quality chest compression during transit.

• 국제학술발표논문집
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• The 9th International Conference on Construction Engineering and Project Management
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• pp.1138-1145
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• 2022

While pursuing digitalization and paperless projects, the construction industry needs to settle on how to make the most of digitized data and information. On-site workers, who currently rely on paper documents to check and review design and construction plans, will need alternative ways to efficiently access the information without using any paper. Augmented Reality is a potential solution where the information customized to a user is aligned with the physical world. This paper proposes the Augmented Reality framework to deliver the information on on-site resources (e.g., workers and equipment) using head-mounted devices. The proposed framework was developed by interoperating Augmented Reality-supported devices and a digital twin platform in which all information related to ongoing tasks is accumulated in real-time. On-site resources appearing in the user's field of view are automatically detected by an object detection algorithm and then assigned to the corresponding information by matching the data in the digital twin platform. Preliminary experiments show the feasibility of the proposed framework. Worker detection results can be visualized on HoloLens 2 in near real-time, and the matching process obtained the accuracy greater than 88%.

• 한국조경학회지
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• 제28권5호
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• pp.15-25
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• 2000

The purpose of this paper is to examine the visual evaluation structure about the formal changes of streetscape by the different moving speed in two alternative control plans for the building height and the setback regulation. The virtual reality system is applied to the experimental tool. Eighty-two experimental models are made in consideration of the height and the setback of the building regulation cased by Midou-suji street in Osaka City, Japan. and ten typical models are selected by pre-experiment. Since the changes of the landscape structure consists of the height and the setback of the building, four the evaluation items are set: grade of continuity, order, openness, preference. As there are eighty-two landscape models which are too many to be applied in this experiment, ten role models are drawn out and used in this experiment. The mean difference test, discriminant analysis, and multiple linear regression methods had been used for the statistical analysis methods. The results of this study are as follows; 1) It is found out the fact of the difference evaluation structure amount experiments models. 2) From the sketch analysis and interview, it is found out difference cognition structure by the moving speed and alternatives. 3) From the discriminant and regression analysis, it is found out that the evaluation value about continuity becomes low by the moving speed change from walking speed to driving speed. We suggest that continuous experiment should be made with a variety of groups and models, and general and universal results should also be come out of the experiments above.

• 한국실내디자인학회논문집
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• 제14권4호
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• pp.122-133
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• 2005

This study could begin with the improvement of computer graphic technology The graphic technology is the standards of computer technology level and up-to-date technology intensive. Above all, the technology of virtual reality has developed rapidly and the development of the program has changed from professional one only for the experts to easy of access ones for the space designers. Moreover, the program which major internet user's can experience the virtual model has been made, as the development of virtual reality technology that is based on the web. These graphic technology and the development of the web helped to extract human experiences on the space design step. However, to find the meeting point with real recognition is not easy though the virtual reality technology develops. Because the real space is made up of various senses that people feel in their surroundings. But, this study was possible because most of the space recognition is based on the visual organ, even though it can't satisfy all sensible factors that we feel in reality. Therefore, the significant of this study is the standards and criteria of evaluation, the technological proposal, expecting to make more advanced alternative design than before.

• 정보화정책
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• 제28권3호
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• pp.3-22
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• 2021

개념 정리도 되지 않은 채, 언론과 업계에서는 메타버스에 대한 다양한 논의가 진행 중이다. 스티븐슨(Neal Stephenson)의 소설 '스노우 크래쉬(Snow Crash, 1992)'에서 용어가 처음 사용된 이래로, 미국의 미래가속화연구재단(Acceleration Studies Foundation: ASF)이 2007년 메타버스 개념을 처음 정리했지만 이후 메타버스는 오랫동안 주목을 받지 못했다. 그러나 2020년 가을 엔비디아(NVIDIA)가 실시간 3D 시각화 협업 플랫폼 '옴니버스(Omniverse)'를 소개하며 제2의 인터넷으로 메타버스를 설명하고, 로블록스(Roblox)가 기업공개(IPO)를 하며 자사의 서비스를 메타버스로 설명하면서, 메타버스는 현실과 가상의 경계를 넘나드는 새로운 세상으로 인식하게 됐다. 이 연구는 어느새 미디어와 콘텐츠를 넘어 새로운 삶의 공간으로 그려지는 메타버스에 대한 다양한 논의를 정리하고, 메타버스에 대한 새로운 정의를 제안하고자 한다. 메타버스의 의미를 설명하기 위해서 ASF가 제안한 두 개의 축과 네 개의 시나리오를 중심으로 가상세계, 거울세계, 증강현실, 라이프로깅의 의미를 다양한 연구를 통해 연구를 통해 정리한 후에, 메타버스 설명의 문제점을 비판하고 대안으로 인간 중심, 사용자 중심의 메타버스 정의로 인간 커뮤니케이션, 현실, 비현실 경험, 그리고 확장현실을 제안하며, 메타버스에 대한 재개념화를 시도했다.

• International journal of advanced smart convergence
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• 제11권4호
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• pp.20-27
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• 2022

In this paper, we propose to improve the designation examination criteria of agencies that provide personal identity proofing based on the resident registration number (RRN), a 13-digit number uniquely assigned by the government to identify Korean citizens. In online commerce, etc., the personal identity proofing agency (PIPA) is a place where online users can prove their personal identity by presenting an alternative means instead of their RRN. The designation examination criteria for PIPAs established in 2012 is a revision of the relevant current laws, and there is a problem in applying the designation examination for alternative means of RRN as the current examination standard. Therefore, in this paper, we propose a method to make the current examination criteria applicable to the newly designated examination of the personal identity proofing service provider based on the current RRN alternative method. According to the current designation examination criteria, only those who satisfy all the examination criteria are designated as the PIPA. However, in reality, it is not in line with the purpose of regulatory reform to require that all examination criteria be satisfied. In the proposed method, it is proposed to apply the standard score system for designation of PIPAs, to make the law current, to secure legal compliance, and to establish a new examination standard to provide a new alternative means of personal identity proofing service. By applying the proposed method to the PIPA designation examination, various alternative means of RRN can be utilized in the online commerce service market.

• 한국건설관리학회:학술대회논문집
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• 한국건설관리학회 2008년도 정기학술발표대회 논문집
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• pp.662-665
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• 2008

본 연구는 기존 시공단계 중심의 4D CAD 활용체계를 설계단계까지 확장하여 도로의 최적 설계업무 지원을 위한 4D CAD 기능을 개발하는 것이 목적이다. 도로설계 지원 기능으로는 도로선형에 의한 토공 시뮬레이션, 대안 노선 선정 시뮬레이션 및 구조물 타입 선정 시뮬레이션 기능을 제안하고 있다. 이러한 VR 시뮬레이션 기능을 통해 도로선형지정에 의한 노선 및 토공 상태의 시각적 확인이 가능하다. 또한 대안 노선의 가상적인 모의 배치를 수행함으로써 최적의 대안 노선을 선정할 수 있다. 이와 함께 구조물의 다양한 모델을 지형에 배치하여 주위 환경에 적합한 구조물 형식을 결정할 수 있다. 본 연구에서 제시된 기능은 도로설계의 효율적인 지원을 위해 가상적인 모델 기반의 의사결정도구를 제공한다. 따라서 본 연구에서 구현된 기능 인터페이스를 통해 도로 설계업무의 효율성을 기대할 수 있다.