• IEIE Transactions on Smart Processing and Computing
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• v.3 no.5
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• pp.306-312
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• 2014

The arcade gun has been a popular game controller in the video game market from the 1970s. The arcade gun, which is used partially in game centers and domestic games, recently is utilized as the interface for the interactive system and tangible media. On the other hand, the existing arcade gun has limits on hardware so it is unsuitable for wide screens. In addition, being platform-dependent, it is inapplicable to various types of content as a single module. This study suggests a correction algorithm that establishes an arcade gun system based on an infrared camera to solve those drawbacks and apply to possibly numerous surroundings.

• Journal of Korea Game Society
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• v.14 no.5
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• pp.79-86
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• 2014

There have been many trials for development of games using augmented reality. This paper presents a 2D puzzle game system using HSV color space to detect hand posture from an input image by smart device's cameras in real time. The developed game in this paper brings smart devices and the computer vision closer. Also this game can be a new interactive technology utilizing both the mobility of smart devices and the tangible interactivity of virtual reality in education and entertainment environments.

• Journal of Digital Contents Society
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• v.13 no.2
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• pp.235-245
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• 2012

This paper introduce a quiz game contents based on gesture interface. We analyzed the off-line quiz games, extracted its presiding components, and digitalized them so that the proposed game contents is able to substitute for the off-line quiz games. We used the Kinect camera to obtain the depth images and performed the preprocessing including vertical human segmentation, head detection and tracking and hand detection, and gesture recognition for hand-up, hand vertical movement, fist shape, pass and fist-and-attraction. Especially, we defined the interface gestures designed as a metaphor for natural gestures in real world so that users are able to feel abstract concept of movement, selection and confirmation tangibly. Compared to our previous work, we added the card compensation process for completeness, improved the vertical hand movement and the fist shape recognition methods for the example selection and presented an organized test to measure the recognition performance. The implemented quiz application program was tested in real time and showed very satisfactory gesture recognition results.

• Journal of Korea Game Society
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• v.20 no.3
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• pp.35-44
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• 2020

In this study, we propose a reliable command placement recognition algorithm using tangible commands blocks developed for our coding puzzle platform, and present its performance measurement results on an Augmented Reality testbed environment. As a result, it can recognize up to 30 tangible blocks simultaneously and their placements within 5 seconds reliably. It is successfully ported to an existing coding puzzle mobile app and can operate an IoT attached robot via bluetooth connected mobile app.

• International Journal of Advanced Culture Technology
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• v.9 no.1
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• pp.196-202
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• 2021

Currently, as Korea enters into a fast aging society, the problem of dementia population is increasing. In this paper, we intend to contribute to the improvement of welfare for the elderly by developing virtual reality technology and related interface technology to effectively perform hand movements known as effective methods for preventing and treating dementia. As the content of the research and development of this paper, it is designed to be easy for the elderly to use and stimulate brain function by applying VR technology using sensors, and to activate mental and physical activities for the elderly who are marginalized in terms of cultural welfare. We intend to develop by classifying the types of games and contents that can induce them. As a result of this thesis, we developed contents using virtual reality to improve cognitive abilities for elderly people with poor cognitive ability to activate the brains of users' cognition, memory, and attention to prevent and treat dementia I want to contribute.

• Journal of Korea Society of Industrial Information Systems
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• v.16 no.3
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• pp.65-72
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• 2011

Multi-touch display system has recently attracted world wide attention due to easy accessibility to the various interactive media without any specialized equipments. Especially, Microsoft Sphere(R) shows a considerable promise in treating non-fiat multi-touch display. The distinctive feature of the system is a stable multi-touch interaction on a spherical display. To extend the possibility of the interactions to the more various display surfaces, this paper propose a multi-touch interaction system in the circumstance of the irregular convex surface. The proposed method can be used efficiently in various tangible interface, for example, the interactive diorama system at the exhibition or the tangible arcade game.

• Annual Conference of KIPS
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• 2017.04a
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• pp.387-390
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• 2017

최근 현대 사회에 '가상현실'개념이 도입됨에 따라 '가상현실'기술이 적용된 게임 콘텐츠들이 활성화되고 있는 추세이다. 이와 더불어 기존의 GUI와 NIUI에서 발전된 새로운 인터페이스로 텐저블 인터페이스(Tangible Interface)가 급부상하면서 관련 인터페이스를 활용한 연구 또한 필요한 시점이며, 이를 기반으로 하여 '가상현실'기술과 텐저블 인터페이스를 융합한 새로운 게임 콘텐츠를 제안을 하고자 '가상현실' 기기를 활용한 텐저블 인터페이스 기반의 학습용 Unity 3D 게임 콘텐츠를 제작하였다.

• Journal of Game and Entertainment
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• v.2 no.2
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• pp.70-74
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• 2006

In this paper I present a system that with infrared vision sense tracks the position and orientation of a wireless object on a tabletop display surface. The system offers two types of improvements over existing computer vision tracking approaches. First, the system tracks an object accurately without susceptibility to changes in lighting conditions. Second, the system tracks not only the orientation but button click state of the object. This system can detect these changes in real time. Finally, I present an application of the system : Color Lab Box.

• Journal of Korea Game Society
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• v.1 no.1
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• pp.80-87
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• 2001

Overseas literatures on the subject discussed so far have used the samples of tangible products and domestic studies have not limited the ranges of respondents while discussing the characteristics of the products. In the meanwhile, this paper has chosen intangible IT products as its research subject because IT area is an emerging industry in the 21st century. In addition, it has also limited the research samples to the buyers of the game software package products in order to enhance the reliability of respondency and the involvement. The results can be summarized as follows : Firstly, involvement acts as a moderator in the fair price and value of product as well as willingness to buy. Secondly, involvement acts as a moderator in the highest price and value of product as well as willingness to buy. Finally, involvement acts a moderator in the lower price and value of product.

• Journal of Integrative Natural Science
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• v.14 no.4
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• pp.189-196
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• 2021

Recently, as a countermeasure for cyber breach attacks and confidential leak incidents on PC hard disk memory storage data of the metaverse industry, it is required when reviewing and developing a remote-based regular/real-time monitoring and analysis security system. The reason for this is that more than 90% of information security leaks occur on edge-end PCs, and tangible and intangible damage, such as an average of 1.20 billion won per metaverse industrial security secret leak (the most important facts and numerical statistics related to 2018 security, 10.2018. the same time as responding to the root of the occurrence of IT WORLD on the 16th, as it becomes the target of malicious code attacks that occur in areas such as the network system web due to interworking integration when building IT infrastructure, Deep-Access-based regular/real-time remote. The concept of memory analysis and audit system is key.