• 디지털산업정보학회논문지
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• 제12권2호
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• pp.31-39
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• 2016

In this paper planed Virtual Reality user interface that recently hot issue using MVLS(Multipurpose Visual Language System). Proposed system is planed for more with ease approach new type environment system. The point of this system is for more few the number of time of act to get want to result. That is easy build for Virtual Reality environment system that user so far, who did not experience. Also too, application to the environment through Multipurpose Visual Language System based, can be required to increase the case of user of existing applications, not only a simple application infrastructure Virtual Reality. This has the advantage of being able to under Virtual Reality condition the environment for the use of a wide range of applications such as view TV, video and other contents. By using the proposed system, the experience in virtual realities that have not felt during the general public to be able to easily and quickly, virtual reality or 3D Expected to can one step closer to the needs of general and industry.

• 대한전기학회:학술대회논문집
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• 대한전기학회 2002년도 하계학술대회 논문집 D
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• pp.2622-2624
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• 2002

This paper presents a virtual laboratory system which can be creating efficiencies in the learning process. The proposed virtual laboratory system for digital logic circuits provides interactive learning environment under which the multimedia capabilities of world-wide web can be enhanced. The virtual laboratory system is implemented to describe the on-campus laboratory, the learners can obtain similar experimental data through it. The virtual laboratory system is composed of four important components: principle classroom simulation classroom, virtual experiment classroom and management system. The database connectivity is made by PHP and the virtual laboratory environment is set up slightly differently for each learner. Learning efficiencies as well as faculty productivity are increased in this innovative teaching and learning environment.

• International journal of advanced smart convergence
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• 제11권2호
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• pp.64-70
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• 2022

In recent years, with the continuous innovation and upgrading of engine software, the real-time rendering technology in film and television has been continuously improved, and the virtual production technology has also developed rapidly. This paper introduces the green screen often used in traditional film production and a virtual production technology based on light-emitting-diode background wall that was proposed and implemented last year. We analyzed the two production methods of virtual production and compared their characteristics. Based on these results, we can better understand the differences and respective advantages of the two production methods. And we also can according to the production budget, production cycle and the creative and technical capabilities of the team make better choices during the production process. We believe virtual production technology will be production in the future to provide a more solid technical guarantee for the development of the film industry, and this work will pave the way for further research on virtual production technology.

• 반도체디스플레이기술학회지
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• 제22권2호
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• pp.120-127
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• 2023

Recently, metaverse has attracted great attention worldwide with the development of related technologies and the demand for on-tact systems. The ideal metaverse should constitute a virtual world more similar to the realistic society with physical interactions. However, there are many constraints when we construct a virtual world using the existing commercialized metaverse platform. In this paper, we design and implement a university campus-based metaverse which minimizes the constraints, and create a virtual environment maps very similar to the real-world using Unity engine, Photon cloud and Playfab SDK for multi-user accessible to virtual world as a personal avatar. Also, this work includes attractive interaction based on exchange between users. Lastly, we illustrate our implemented metaverse works on Android phone, and it works without difficulty in terms of performance.

• 산업공학
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• 제15권3호
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• pp.230-240
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• 2002

Information technologies centered on the internet in the area of shipbuilding and marine engineering further incur the needs to increase the flexibility of the organization, the dispersion of work process, and the use of out sourcing, as well as the globalization of related market. In near future, electronic commerce and concurrent engineering based on CALS/EC and the Internet will be an integral part of the environment and upon these changes, ship design and construction will become a computer supported cooperative work of many dispersed and specialized groups. As the means of active response to these environmental changes, many new concepts such as digital shipbuilding, virtual shipyard, and simulation based design are appearing. In this paper, the concept and current status of digital manufacturing in general manufacturing industry will be reviewed. Then, related technologies, area of application and methods of digital manufacturing in shipbuilding and marine industries are presented. In addition, virtual assembly simulation system for shipbuilding(VASSS), a tool for crane operability and block erection simulation in virtual dock based on 3D product model, will be introduced.

• 정보교육학회논문지
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• 제12권4호
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• pp.417-425
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• 2008

이 연구의 목적은 세컨드라이프와 같은 3차원 가상현실에서 디지털 스토리텔링의 교육적인 가능성을 탐색해 보는데 있다. 세컨드라이프와 같은 가상현실은 현실 수준을 반영한 충실도를 통해 학습자들에게 풍부한 학습 환경을 제공할 수 있다. 이 연구를 위해 우리는 디지털 스토리텔링의 유형별로 재미와 이해도에 미치는 영향을 알아보고자 실험대상자 108명을 대상으로 세컨드라이프와 같은 가상현실에서 디지털스토리텔링 활동을 수행하였다. 실험 결과스토리텔링 형태에 있어서 이해에는 집단간 차이가 없지만, 재미에는 집단간 유의한 차이가 있는 것으로 나타났다. 이야기 주인공과 동질감을 느낄 수 있고 이야기와 유사한 환경을 제공하는 가상현실 활동이 학습자들의 참여를 촉진하여 재미에 중요한 영향을 미친다는 결과를 얻었다.

• 보존과학회지
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• 제35권1호
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• pp.71-80
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• 2019

This study examined the applicability of digital technologies based on three-dimensional(3D) scanning, modeling, and printing to the restoration of damaged artifacts. First, 3D close-range scanning was utilized to make a high-resolution polygon mesh model of a roof-end tile with a missing part, and a 3D virtual restoration of the missing part was conducted using a haptic interface. Furthermore, the virtual restoration model was printed out with a 3D printer using the material extrusion method and a PLA filament. Then, the additive structure of the printed output with a scanning electron microscope was observed and its shape accuracy was analyzed through 3D deviation analysis. It was discovered that the 3D printing output of the missing part has high dimensional accuracy and layer thickness, thus fitting extremely well with the fracture surface of the original roof-end tile. The convergence of digital virtual restoration based on 3D scanning and 3D printing technology has helped in minimizing contact with the artifact and broadening the choice of restoration materials significantly. In the future, if the efficiency of the virtual restoration modeling process is improved and the material stability of the printed output for the purpose of restoration is sufficiently verified, the usability of 3D digital technologies in cultural heritage restoration will increase.

• 한국게임학회 논문지
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• 제16권6호
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• pp.19-28
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• 2016

기술이 발전함에 따라 디지털 게임 속 공간이 다채로운 모습으로 구현되고 있으며 이를 체계적으로 설계하는 것에 대한 중요성은 끊임없이 강조되고 있지만 디지털 게임 공간을 설계하는 방법론을 구축하는 연구는 진행된 바 없다. 이를 위해서는 디지털 게임 속 공간들을 유형별로 분류 및 정의한 연구가 선행되어야 한다. 본 연구는 문헌조사를 통해 디지털 게임 공간을 분류하는 다섯 가지 기준을 제시하였으며, 이에 대한 유효성 평가를 진행하였다. 해당 기준들은 각각 '서술형태, 협업 정도, 상호교환 정도, 공간 동작 차원, 공간 형태' 이다. 이후 본 연구는 확보된 기준들을 바탕으로 20년간 가장 주목받은 게임들 분류하여 그 변화 추이를 살펴본 결과 세 가지 대표 공간 유형을 관찰할 수 있었다. 해당 분류 방법론은 디지털 게임 공간 설계 및 구현 인원들에게 디지털 게임 공간에 대한 체계적인 접근을 제공할 것이며, 나아가서 가상경관 설계 방법론을 구축함에 건축 및 조경의 영역에서 활용되고 있는 각종 설계 방법론의 차등적 적용이 가능하게끔 유도할 수 있을 것이다.

• 디지털콘텐츠학회 논문지
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• 제19권2호
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• pp.229-236
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• 2018

본 연구는 근대적 시공간 개념이 물리적 공간에서 4차 산업혁명의 시대를 살고 있는 현재는 그 범위가 가상의 공간으로까지 확대 되었다. 이러한 가상현실의 공간적 특징을 시각적 촉각성과 환영성을 바탕으로 현실과 같은 상호작용의 가능성에 대해 제안 하고자 한다. 본 연구의 범위는 현재 가상현실 콘텐츠 중 활용도가 높은 게임의 공간에 대한 환영성과 상호작용성의 몰입 관계를 분석한다. 연구 결과는 가상현실의 상호작용은 시공간이 융합된 공간으로 디지털 이미지의 환영성은 원본이 없는 실재의 현실적 위치에 있다. 현실공간과 가상공간에 대한 매체 투영 방법과 함께 가상공간에 대한 상호작용에 대한 연구는 새로운 영상문법으로 콘텐츠 활용 방안을 모색하는 데 기여하게 될 것이다.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제15권1호
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• pp.74-89
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• 2021

For higher-level requirements of urban planning and management and the recent development of "digital earth" and "digital city", it is urgent to establish protocols for the construction of three-dimensional digital city models. However, some problems still exist in the digital technology of the three-dimensional city model, such as insufficient precision of the three-dimensional model, not optimizing the scene and not considering the constraints of building codes. In view of those points, a method to interactively simulate a virtual city scene based on building codes is proposed in this paper. Firstly, some constraint functions are set up to restrict the models to adhere to the building codes, and an improved directional bounding box technique is utilized to solve the problem that geometric objects may intersect in a virtual city scene. The three-dimensional model invocation strategy is designed to convert two-dimensional layouts to a three-dimensional urban scene. A Leap Motion hardware device is used to interactively place the 3D models in a virtual scene. Finally, the design and construction of the three-dimensional scene are completed by using Unity3D. The experiment shows that this method can simulate urban virtual scenes that strictly adhere to building codes in a virtual scene of the city environment, but also provide information and decision-making functions for urban planning and management.