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김귀현 ( Gwi-hyun Kim ),최명수 ( Myeong-soo Choi ),김하정 ( Ha-jeong Kim ),김기영 ( Ki-young Kim ),정민아 ( Min-a Jeong ),김서균 ( Seo-gyun Kim ),이성로 ( Seong-ro Lee ) 한국정보처리학회 2009 한국정보처리학회 학술대회논문집 Vol.16 No.1
센서 네트워크 기술은 센서와 무선 네트워크 기능을 이용하여 물리공간에서 측정한 아날로그 데이터를 디지털 신호로 변환하고, 인터넷 같은 전자공간에 연결된 루트노드로 전달하는 입력시스템 역할을 한다. 물리적 세계와 사이버 세계를 연결할 수 있는 특징 때문에 센서 네트워크의 개념은 새롭게 대두 되고 있는 지능형 환경 모니터링, 위치인지 서비스, 지능형 의료시스템, 지능형 로봇 시스템 등 다양한 서비스분야에 적용되고 있다. 이러한 유비쿼터스 센서 네트워크에 대해 하드웨어 플랫폼, 소프트웨어 플랫폼 위주의 기술 동향을 분석해 보고자한다.
코로나19로 변화된 교육형태에 대한 학생들의 인식비교 - 인천지역 등 경인지역 대학생을 대상으로 -
우세린 ( Woo Se-lin ),김귀현 ( Kim Gwi-hyun ),김수연 ( Kim Su-yeon ) 한국도서(섬)학회 2022 韓國島嶼硏究 Vol.34 No.1
Since COVID-19 was first detected at the end of 2019, it has spread rapidly around the world, and has brought about many changes in our daily lives. Due to the nature of the epidemic, the contagious disease can spread when people gather, so the educational environment has also changed as new students must start entering school in March 2020, but school is impossible to start. Professors and students started online lectures through various types of methods such as LMS and ZOOM without preparing for online lectures. Therefore, this study was conducted to help plan for future education types by examining students' perceptions of the online university education form that has changed rapidly due to COVID-19 and comparing the perceptions of online and offline lectures. This study was conducted for university students who are 20 years old or older who are currently enrolled in universities in Gyeongin area, including the Incheon area. An online survey was conducted using Naver form. The final study subjects were 362 people. Frequency analysis and T-test were conducted to confirm service value, service satisfaction, re-lecture intention and lecture recommendation intention, overall satisfaction with online education type, understanding of learning content, online class progress, and satisfaction with acquiring knowledge of courses. As a result of the study, students' perceptions of educational services were found to have higher positive perceptions of offline lectures than online lectures in general. In addition, offline lectures were found to have significantly higher cost-effectiveness and knowledge acquisition of courses than online lectures. However, it was found that online lectures were high in re-lecture and lecture recommendation intention. This means that students know that offline lectures are good for cost-effectiveness, lecture satisfaction, and knowledge acquisition, but because of their convenience, they prefer online lectures for re-taking or lecture recommendations. In addition, compared to offline classes, online lectures showed lower satisfaction in the order of liberal arts-major-experimentation and practice. This shows that professors need support from universities for establishing online lecture design strategies and successful design in order to deliver professional knowledge for their majors. Furthermore, experimental and practical subjects show the limitations of online classes. This suggests that research on a new educational method of universities is necessary to prepare for the post-corona and with-corona era. These efforts will help improve the quality of university education services.
내반슬로 인한 대퇴경골각의 변화가 골반경사각에 미치는 영향
김경석,류지미,김고운,김귀현,정원석,이종수,Kim, Kyoung-Seok,Ryu, Ji-Mi,Kim, Koh-Woon,Kim, Gwi-Hyun,Jeong, Won-Seok,Lee, Jong-Soo 척추신경추나의학회 2009 척추신경추나의학회지 Vol.4 No.2
Objectives : The purpose of this study was to investigate the Correlation between Pelvic angle and the Tibiofemoral angle in the Genu varum. Method : Age of All subjects were 20-37 years. 33(male 10, female 23) subjects were assessed by whole spine x-ray and orthogram. The collected data consisted of items on general characteristics, Pelvic Incidence(PI), Pelvic Tilt(PT), Sacral Slope(SS) and Tibiofemoral Angle(TFA) of the subjects. Results : The PI, PT and TFA had a relationship significantly. However, there was no relationship between SS and TFA. Conclusion : The results suggest that TFA is related to PI, PT. Internal rotation due to genu varum of femoral at hip influence that PI and PT increase.
이정찬(Jung Chan Lee),박재산(Jae San Park),김귀현(Gwi Hyun Kim) 한국보건교육건강증진학회 2010 보건교육건강증진학회지 Vol.27 No.2
Objectives: The purpose of this study was to identify the health promotion activities of the elderly Korean aged 65 or older and to examine the related factors associated with the health promotion activities. Methods: Data were obtained from 2008 Social Statistics Survey of Korea National Statistical Office of 6,207 people aged 65 or older. We measured the socio-demographic characteristics, physical health status, social health status, and health promotion activities. Statistical analyses were employed through the X²-test and Odds ratio using Logit Model. Results: In our study, health promotion activity practice rates were varied among the socio-demographic characteristics, physical and social health status. Our findings also support that better socio-demographic and physical health status explain the higher practice rates of health promotion activities. In addition, the higher social health status was associated with better practice rates of health promotion activities. Conclusion: We found that the health promotion activities of the elderly could be encouraged by better socio-demographic status and physical and social health status. To better accomplish the health promotion for the elderly in our community, policy-makers should need careful political deliberation for executing health promotion services considering the distinctions of programme and target groups.
스트레스, 삶의 질, 가족관계 만족도가 흡연량 및 음주량에 미치는 영향: 주관적 건강상태의 매개효과를 중심으로
이정찬 ( Jung Chan Lee ),박재산 ( Jae San Park ),김귀현 ( Gwi Hyun Kim ) 대한보건협회 2011 대한보건연구 Vol.37 No.1
Objectives: The purpose of this study was to examine the effects of stress, quality of life and family relationship of smokers and drinkers on tobacco and alcohol use with the mediating effects of self-rated health and to identify the pathway of the casual relations among these variables. Methods: Data were obtained from 2008 Social Statistics Survey of Korea National Statistical Office(KNSO) of 10,003 smokers and 26,918 drinkers. We used SAS 9.10 to show the descriptive statistics and AMOS 4.0 was applied to identify the causal relations among variables exploiting the path analysis. Results: The values of fit indexes of this study model fulfilled the overall fit standard and the exogenous variables, such as, stress, quality of life except family relationship directly affected the tobacco and alcohol use of smokers and drinkers. Thus, indirect effect of self-rated health as a mediator variable on tobacco and alcohol use was also statistically significant. Conclusion: These findings imply that reduced stress and promoted quality of life together with the enhanced health status may play a role of strong enforcement to decrease the tobacco and alcohol use and it will be also important to integrate these approaches into policy initiative to achieve the effective outcomes of health promotion programme.