• Journal of Intelligence and Information Systems
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• v.25 no.3
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• pp.117-140
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• 2019

As the aging phenomenon accelerates and various social problems related to the elderly of the vulnerable are raised, the need for effective elderly care solutions to protect the health and safety of the elderly generation is growing. Recently, more and more people are using Smart Toys equipped with ICT technology for care for elderly. In particular, log data collected through smart toys is highly valuable to be used as a quantitative and objective indicator in areas such as policy-making and service planning. However, research related to smart toys is limited, such as the development of smart toys and the validation of smart toy effectiveness. In other words, there is a dearth of research to derive insights based on log data collected through smart toys and to use them for decision making. This study will analyze log data collected from smart toy and derive effective insights to improve the quality of life for elderly users. Specifically, the user profiling-based analysis and elicitation of a change in quality of life mechanism based on behavior were performed. First, in the user profiling analysis, two important dimensions of classifying the type of elderly group from five factors of elderly user's living management were derived: 'Routine Activities' and 'Work-out Activities'. Based on the dimensions derived, a hierarchical cluster analysis and K-Means clustering were performed to classify the entire elderly user into three groups. Through a profiling analysis, the demographic characteristics of each group of elderlies and the behavior of using smart toy were identified. Second, stepwise regression was performed in eliciting the mechanism of change in quality of life. The effects of interaction, content usage, and indoor activity have been identified on the improvement of depression and lifestyle for the elderly. In addition, it identified the role of user performance evaluation and satisfaction with smart toy as a parameter that mediated the relationship between usage behavior and quality of life change. Specific mechanisms are as follows. First, the interaction between smart toy and elderly was found to have an effect of improving the depression by mediating attitudes to smart toy. The 'Satisfaction toward Smart Toy,' a variable that affects the improvement of the elderly's depression, changes how users evaluate smart toy performance. At this time, it has been identified that it is the interaction with smart toy that has a positive effect on smart toy These results can be interpreted as an elderly with a desire to meet emotional stability interact actively with smart toy, and a positive assessment of smart toy, greatly appreciating the effectiveness of smart toy. Second, the content usage has been confirmed to have a direct effect on improving lifestyle without going through other variables. Elderly who use a lot of the content provided by smart toy have improved their lifestyle. However, this effect has occurred regardless of the attitude the user has toward smart toy. Third, log data show that a high degree of indoor activity improves both the lifestyle and depression of the elderly. The more indoor activity, the better the lifestyle of the elderly, and these effects occur regardless of the user's attitude toward smart toy. In addition, elderly with a high degree of indoor activity are satisfied with smart toys, which cause improvement in the elderly's depression. However, it can be interpreted that elderly who prefer outdoor activities than indoor activities, or those who are less active due to health problems, are hard to satisfied with smart toys, and are not able to get the effects of improving depression. In summary, based on the activities of the elderly, three groups of elderly were identified and the important characteristics of each type were identified. In addition, this study sought to identify the mechanism by which the behavior of the elderly on smart toy affects the lives of the actual elderly, and to derive user needs and insights.

• Journal of the Institute of Electronics Engineers of Korea CI
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• v.46 no.6
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• pp.63-69
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• 2009

The decentralized and open characteristic of the internet, along with the mobility and portability of mobile communication, and the interactivity of the internet and mobile communications all have been grafted to enable the creation of wireless internet in our lives, bringing about a lot of change. However, existing system management software solutions show limitations in time and space, as well as problems such as uncertain error messages, and also difficulty providing swift assistance or real time emergency support. Therefore, a wireless remote control system has been designed and implemented in this thesis, which is capable of managing and monitoring remote systems using mobile communication devices (Mobile Phone, PDA, Smart Phone, Webpad) for realtime control. The implemented real time wireless remote control system provides remote server management functions, error or event message functions, log record functions, authentication function via mobile devices and system performance evaluation function classified by client transaction.

• Archives of design research
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• v.15 no.3
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• pp.93-102
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• 2002

The changing pattern of living and communication, combined with wireless technologies has given rise to more fluidity between spaces and relationships. Despite this, the way we use technology and the qualities of product and service are limited. For example, ON or OFF is like BLACK or WHITE, it presents a harsh distinction This severity in definition can make me uncomfortable when using products. The aim of this project is to improve the use of a product's functions and Qualities. As an example, the switch button has limited the possible interaction of a product. even each function is different. 1 intend this study is to imbue the switch with a greater freedom of interpretation. What will happen If I create a journey in between on and off\ulcorner For instance, time, pattern, state, rhythm and so on are analogue properties of a switch. The playful, spontaneous, and enjoyable behaviour of a switch will be able to bring other qualities of function and service. The switch will then be able to be an object with more human qualities, not simply an on and off button.

• Korean Journal of Human Ecology
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• v.5 no.2
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• pp.109-121
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• 1996

The purpose of this study are (1) to examine the reality of contacting with fashion catalogues, (2) to examine the consumer's attitude towards fashion catalogues, (3) to examine the correlation between consumer's attitude towards fathion catalogue by sex and age. It was found that, concerning frequency of contacting with fashion catalogues, women contact with them more frequently than men, and lower ages than higher ages. Also, it was shown that, both man and woman with merchandise catalogues, lower ages with merchant catalogues, and higher ages with mail order catalogues. With regard to methods of contacting with catalogue, it was found that men come to contact mainly through mail, women through the displayed goods in the sales shops, lower ages through the displayed goods in the sales shops and higher ages through mail. Concerning the consumer's attitude towards fashion catalogues, meaningful difference was shown in interesting level, attention level, information offering level and information utilizing level by sex. By age, meaningful difference was shown in interesting level, attention level, information offering level, information reliability level, information utilizing level and purchasing satisfying level. Regarding correlation between consumer's attitude towards fashion catalogues by sex, meaningful correlation was shown between all consumer's attitude. By age, meaningful correlation was not found, between 36 to 45 years old, between information reliability level and interesting level, and attention level, and information offering level, and information utilizing level but meaningful correlation was shown between consumer's other attitude.

• Proceedings of the Korea Information Processing Society Conference
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• 2011.04a
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• pp.1169-1172
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• 2011

본 연구는 고가의 인프라 구축이라는 제약 때문에 현재까지 기초적인 수준에 머물러있는 홈 네트워크의 문제점을 극복하고자 제안된 스마트폰 중심의 개인환경서비스(PES : Personal Environment Service)를 연구하였다. 개인환경서비스는 스마트폰과 무선랜, 블루투스 등의 모듈이 탑재된 가전기기와 근거리 무선통신으로 사용자의 선호도를 저장하고 있는 프로파일을 교환하여 가전기기를 자동으로 설정해 주며 프로파일은 서비스 서버에도 전송되어 지속적으로 갱신, 사용자에게 편리한 생활을 제공해 준다. 본 연구는 이러한 스마트폰 중심의 개인환경서비스의 데모 시스템 구조 및 시연 시스템을 구축하였다. 데모시스템의 스마트폰 플랫폼은 구글 사의 안드로이드 2.2 (Froyo) 버전이며, 지능형 가전기기와는 블루투스 통신을 통해 사용자와 서비스 프로파일을 교환한다. 가전기기는 PC, 난방기기, 가스렌지, TV, 라디오 총 5가지를 구현하였는데 실제 가전기기를 구현할 수 없는 한계로 인해 PC를 제외한 가전기기는 블루투스 임베디드 보드에 LCD 디스플레이를 설치한 모의(pseudo) 가전기기로 대체하였다. 스마트폰에 저장되어 있는 사용자 프로파일은 각각의 가전기기별 선호도를 환경설정을 통해 설정할 수 있게 하였고, 선호도를 설정하면 가전기기는 블루투스 통신으로 스마트폰의 사용자 프로파일을 전송받아 자동 설정해 준다. 서비스 서버는 스마트폰과 가전기기의 모든 로그를 전송받아 패턴분석 과정을 거쳐 사용자의 프로파일을 자동으로 설정해주어서 사용자는 개인에게 최적화된 생활환경을 제공받게 된다. 개인환경서비스는 현재 표준화 규격 개발을 위해 제조업체, 이동통신사, 연구소, 대학교 등에서 활발히 연구 중에 있으며, 향후에는 현재까지 개발된 데모 시스템을 토대로 프로토콜을 연구, 수립하여 표준화 규격 개발에 기여할 예정이다.

• Korean Journal of Construction Engineering and Management
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• v.19 no.1
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• pp.21-31
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• 2018

The rapid increase of the elderly living alone is a critical issue in worldwide as it leads to a rapid increase of a social support costs (e.g., medical expenses) for the elderly. In early stages of dementia, the activities of daily living (ADL) including self-care tasks can be affected by abnormal patterns or behaviors and used as an evidence for the early diagnosis. However, extracting activities using non-intrusive approach is still quite challenging and the existing methods are not fully visualized to understand the behavior pattern or routine. To address these issues, this research suggests a model to extract the activities from coarse-grained data (spatio-temporal data log) and visualize the behavioral context information. Our approach shows the process of extracting and visualizing the subject's spaceactivity map presenting the context of each activity (time, room, duration, sequence, frequency). This research contributes to show a possibility of detecting subject's activities and behavioral patterns using coarse-grained data (limited to spatio-temporal information) with little infringement of personal privacy.

• Information and Communications Magazine
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• v.27 no.3
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• pp.17-22
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• 2010

최근 들어 3D에 관한 관심이 높아지면서 각종 기술적인 이슈는 물론 3D 콘텐츠의 제작 방향에 대한 논의가 활발하게 이루어지고 있다. 흔히들 3D 콘텐츠라고 부르는 것은 현재로선 어떤 특정한 장르나 엄정한 정의를 가진 용어라기보다는 일종의 새로운 매체기술을 위한, 매체 기준적인 콘텐츠의 분류 형태라고 볼 수 있을 것이다. 따라서 3D 콘텐츠라는 용어를 새로이 썼다고 해서 좋은 콘텐츠가 지녀야 할 근본적인 요소가 달라지는 것은 아니다. 물론 매체의 발전과 변화에 따라 대중들의 가치관, 예술적 시대적 패러다임, 근본적인 인간의 생활방식까지 바뀔 수 있다는 것은 자명한 사실이다. 이는 회화 문화에서 사진의 등장으로, 사진에서 동영상으로, 영화에서 TV와 비디오로, 그리고 아날로그에서 디지털로의 중심 이동이 인간의 삶에 얼마나 큰 변화를 초래했는지만 상기해봐도 쉽게 알 수 있다. 그러므로 3D기술이 가진 파급효과와 영향력이 어디까지인지 쉽게 단정할 수는 없는 것이다. 그러나 언급했듯이 어떤 콘텐츠라도 결국엔 인간이 향유하리란 점은 분명한 사실이다. 현재는 3D 콘텐츠의 제작 방향에 대해서 지나치게 매체 중심적으로 접근하려는 경향이 있는데, 역사적으로 언제나 인간에게 매력적이었던 콘텐츠의 기본은 변함이 없었다. 변하는 것은 오히려 매체나 기술, 하드웨어 쪽이었다. 따라서 콘텐츠를 매체에 이식하는 가변적인 내용물쯤으로 이해하는 기술중심의 사고에서, 인간이 근본적으로 원하는 이야기 콘텐츠를 구현하기 위해 매체가 변해왔다는 점을 이해해야 하는 콘텐츠 중심 사고도 할 필요가 있는 것이다. 본고에서는 과거 많은 매체들의 역사를 통해 새로운 매체 기반에서의 콘텐츠의 모습이 어떻게 변해왔는지를 되짚어 보려고 하며, 이를 통해 앞으로 3D 콘텐츠의 향방을 유추해 볼 기회를 마련하고자 한다.

• The Journal of Korean Institute of Communications and Information Sciences
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• v.37B no.9
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• pp.831-836
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• 2012

To provide convenient life, we consider the situation of using the smart phone to control smart TV and PC in home and office. In this paper, we design the interworking platform between smart TV, smart phone and PC, and implement their applications. Our smart phone application controls the smart TV and PC, where our smart TV application communicates with the smart phone and PC can be booted by the login and password information given form our smart phone application. We hope that our platform design and application implementation will be contributed to be a foundation of interworking between various smart devices in the near-future real smart life.

• Proceedings of the KIEE Conference
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• 2006.07a
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• pp.306-308
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• 2006

현대 과학 기술은 개개의 분야의 고유성과 특성이 점차 모호해지고 여타 분야와의 접목 내지는 응용의 발판을 넓혀 점차 실용화하는 추세이다. 특히 경제성과 밀접한 관련이 있는 엔지니어링 분야가 더욱 그러하다. 일상생활에서 사용되는 컴퓨터의 진보는 그간 학문적인 연구에 소요되었던 시간을 단축시켰으며 연산가능 범위를 확대하였고 이것을 바탕으로 우리는 좀더 세밀하고 정확한 진단과 예측이 가능해졌다. 이는 엔지니어들이 갖추어야할 지식체계에도 영향을 주어 과거 배타적이며 폐쇄적인 업무성향을 개방적이고 공유 가능한 대상으로 변모가능하게 되었다는 점에서 의의가 크다. 특히 정보 전달의 측면에서 보면 최근 부각되고 있는 그래픽적 요소를 가미한 해석프로그램을 주목해야만 한다. 일반적인 데이터 나열이나 조작 시에 사용되던 텍스트 기법이 다이얼로그 상자를 통해 좀더 인터렉티브한 환경으로 바뀌었고 현재는 이러한 내용을 그래픽적인 환경으로 재해석하고자 하고 있다. 바로 이러한 노력의 일환으로 본 논문 역시 그래픽 시뮬레이터 개발에 관해 다루게 되었다. 본 논문에서는 그래픽이란 주제를 좀더 심층적으로 다루어 사용자 정의 타입의 단계까지 논함으로써 앞으로 나아가야 할 방향을 제시해 보고자 한다.

• Korean journal of communication and information
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• v.71
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• pp.250-273
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• 2015

The phenomenology of communication represents a starting point in the union of consciousness and experience, analogue and digit, expression and perception, person and lived-world, rhetoric and ethic, constitute human communication. A phenomenological definition of communication requires that analysis proceed through a phenomenological description, reduction, interpretation. This analysis thus far has taken up the general issue of fact versus value, consisting in a subdivision into intention and punctuation on the factual side, and convention and legitimation on the value side. It has treated of the relationships among intention and metaphysics, punctuation and epistemology, convention and logic, and legitimation and axiology.