• KIPS Transactions on Software and Data Engineering
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• v.9 no.11
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• pp.329-331
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• 2020

Edutech is a compound word of education and technology, and is an educational paradigm in the era of the 4th industrial revolution. This refers to next-generation education using information and communication technology (ICT) such as big data, artificial intelligence (AI), robots, and virtual reality (VR) of the 4th industrial revolution. e-Learning is being used as an online lecture for education in ICT, but edutech is attracting attention along with e-learning as the feeding of non-face-to-face education has rapidly increased due to COVID-19. Therefore, this paper summarizes the reviewed papers on the blockchain-based badge service platform, simulation-based collaborative e-Learning system, video English dictionary, and blockchain-based access control audit system.

• The Journal of the Korea Contents Association
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• v.22 no.7
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• pp.524-539
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• 2022

With the advent of generative artificial intelligence technology, it became possible to create a virtual human, and produce a lecture video only with textual information. It is expected that the virtual human will enhance the efficient production of educational contents and the student's entertainment experience and satisfaction. However, there have been still few studies that have demonstrated the process of how virtual human technology reaches students' satisfaction. Therefore, the purpose of this study is to empirically examine whether the human likeness, which is the main characteristic of a virtual human based on Uncanny Valley theory, affects human experience and satisfaction. In particular, human likeness of the Uncanny Valley theory was subdivided into human likeness in the visual and verbal dimensions, and the process of reaching satisfaction was understood based on the experience economy model. In particular, human similarity in Uncanny Valley theory was classified as similarity in the visual and language levels, and the process of reaching satisfaction based on the experiential economic model was analyzed with a partial least squares structure model equation (PLS-SEM). The survey was conducted online for a panel of office workers at a specialized research institution in China. The results indicate that both the visual and verbal human likeness had a positive effect on experience economy factors (education, entertainment, esthetic, escape), and then these experiential factors had a significant effect on satisfaction. The results also provide some suggestions to consider when designing educational contents by virtual human.

• Journal of Engineering Education Research
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• v.2 no.1
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• pp.10-16
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• 1999

In this paper, we developed the internet-based educational software package (DVLab) for design and virtual experiment of the digital logic circuits. The DVLab consists of the LogicSim module for design and simulation of digital combinational/sequantial logic circuits, micro-controller application circuits and the BreadBoard module for virtual experiment and the Theory module for lecture and the Report/ReportChecker module and some other utility modules. All developed modules can be run as application programs as well as applets in the Internet. The LogicSim and the BreadBoard support real time clock function, output verification function on the designed circuits, trace function of logic values, copy-protection function of designed circuits and provide various devices including logic gates, TTLs, LED, buzzer, and micro-controller. The educational model of digital logic circuit design and experiment using the DVLab is also presented in this paper.

• Proceedings of the Korea Multimedia Society Conference
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• 2003.11b
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• pp.827-830
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• 2003

인터넷의 등장과 통신기술의 발달로 인해 여러 분야에서 원격 교육이 이루어지고 있다. 이러한 결과로 인해 다양한 멀티미디어 기술을 활용한 컨덴츠의 저작이 일반화되고 있다. 이러한 컨텐츠는 전통적인 교실 수업과 같은 학습 효과를 얻기 위해 상호작용 적인 멀티미디어 컨텐츠를 도입하는 노력을 기울이고 있지만 아직 기능상에 많은 제약이 있다. 원격 교육을 위한 강의를 작성하기 위해서 강의자는 관련 프로그래밍 기술 등을 익혀야 하므로 상당한 관련 지식이 요구되어 가상강좌를 개설하기가 어려운 실정이다. 본 논문은 이러한 어려움을 해결하기 위하여 강의자와 학생의 학습을 효과적으로 지원하는 가상 강의 저작도구를 설계 및 구현함으로써 프로그래밍 지식이 없는 초보자도 윈도우 기반의 메뉴방식으로 정보 입력을 통해 교수의 강의와 학생의 학습을 효과적으로 지원하는 가상 강의 구축이 이루어 질 수 있도록 JVM(Java Virtual Machine)환경에서의 강의저작 및 재생 시스템 구현에 관한 논문이다. 이 시스템은 교수 강의 저작 도구를 구현하고, 수강생 개개의 학습이 가능하도록 저작된 강의를 재생함을 목적으로 하고있다.

• Journal of Engineering Education Research
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• v.24 no.6
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• pp.79-85
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• 2021

In a future society where cutting-edge science technology such as artificial intelligence becomes commonplace, the demand for talented people with basic knowledge of mathematics and science is expected to increase continuously, and the educational infrastructure suitable for the characteristics of future generations is still insufficient. In particular, in the case of students taking convergence courses including practical training, there was a problem in communication with the instructor. In this study, we looked at the current status of distance learning at domestic universities that came suddenly due to the global pandemic of COVID-19. In addition, a case study of the use of technology was conducted to facilitate the interaction between instructors and learners through case analysis of distance classes in convergence subjects. Therefore, this study aims to introduce the case of developing lecture contents for smooth convergence education in a non-face-to-face educational environment targeting the developed AI convergence courses and applying them to the education of enrolled students.

• International Journal of Computer Science & Network Security
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• v.22 no.11
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• pp.115-120
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• 2022

The main purpose of the study is to identify the key aspects of the use of innovative distance learning technologies in the training of biology students. Currently, there is a modernization, the evolution of the education system from a classical university to a virtual one, from lecture material teaching to computer educational programs, from a book library to a computer one, from multi-volume paper encyclopedias to modern search databases. During studies in higher education, distance learning ensures the delivery of information in an interactive mode through the use of information and communication technologies. The main disadvantage of distance learning is the emotional interaction of the teacher with students. It is necessary to increase the level of methodological developments for independent studies of students. The methodology includes a number of theoretical methods. Based on the results of the study, the main elements of the use of innovative distance learning technologies in the training of biology students were identified.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• fall
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• pp.212-214
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• 2021

In a society with Covid-19 as part of our daily lives, we had to adapt ourselves to a new reality to maintain our lifestyles as normal as possible. An example of this is teleworking and online classes. However, several issues appeared on the go as we started the new way of living. One of them is the doubt of knowing if real people are in front of the camera or if someone is paying attention during a lecture. Therefore, we encountered this issue by creating a 3D reconstruction tool to identify human faces and expressions actively. We use a web camera, a lightweight 3D face model, and use the 2D facial landmark to fit expression coefficients to drive the 3D model. With this Model, it is possible to represent our faces with an Avatar and fully control its bones with rotation and translation parameters. Therefore, in order to reconstruct facial expressions during online meetings, we proposed the above methods as our solution to solve the main issue.

• Proceedings of the Korean Society of Computer Information Conference
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• 2022.07a
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• pp.483-484
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• 2022

최근 코로나 팬데믹 여파로 인해 교육계에는 비대면 수업이 빠르게 확대되고 있다. 대부분의 비대면 수업은 화상 회의 방식에 기반을 두고 있다. 하지만 최근 연구 결과에 의하면 화상 회의 방식의 비대면 수업의 경우 현장감, 수업 집중도 등의 다양한 측면에서 대면 수업보다 수업의 질이 낮다고 분석되고 있다. 그래서 본 논문에서는 비대면 수업의 질을 향상시키기 위한 VR 기반의 가상강의 시스템을 제안한다. 제안한 가상강의 시스템은 가상 강의실, 교수자 수업 기능 등의 기능을 포함한다.

• The Journal of the Convergence on Culture Technology
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• v.5 no.3
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• pp.197-202
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• 2019

In the era of the fourth revolution, interest in content production using proven engines in the broadcasting sector, such as Vizrt, is growing. The new visual effects required in the 5G era are critical to content production training. Vizrt has a good production time utility and affordability for broadcast and media content. In this paper, we are going to use this to present a practical case of the theorem and application of the basic training course in the production of virtual content, and to present the basic training direction. In the introduction, the graphic algorithm analyzed and studied the characteristics and environmental factors of the Vizrt engine. In this paper, the production process was studied separately, and the work carried out through engine implementation was presented. The VS Studio Foundation was provided as a practical production case at each stage. The Vizrt engine operator process is important in graphic approach and application, and through the results of the lecture, the method of understanding and implementing algorithms for virtual reality perspective suitable for basic learning was studied. Based on practice, the research method of main theory was to create Vizrt contents specialized in 5G contents work in each sector and to implement graphic production in new areas from contents image. Through this study, we came to the conclusion of the basic training method through virtual reality content work based on Vizrt by practicing content creation according to the subject. It also proposes the effect of creating Vizrt content and the direction of building Vizrt basic training courses.

• Journal of the Korea Institute of Building Construction
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• v.15 no.6
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• pp.621-629
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• 2015

Construction worker safety and safety training continue to be main issues in the construction industry. In order to promote safety awareness among workers, it is imperative to develop a more effective and efficient safety training. This study compared two methods in construction worker safety training: 1) a conventional lecture and 2) 3D simulation through Building Information Modeling. Both training methods included the same contents, a selection of safety standard and guide suggested by Occupational Safety and Health Agency and the Korea Occupational Safety and Health Agency; the contents were then produced into two types of training methods. A survey was conducted targeting on safety managers, in which the managers evaluated lifelikeness, active learning and enjoyment that each of training methods can promote. The results of the survey showed that innovative method using 3D simulation was more effective than conventional lecture method in terms of its lifelikeness, active learning and enjoyment. This study will provide implications that innovative method using the virtual reality is more effective than conventional lecture method.