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디지털 트윈 구현을 위한 정보통신설비 BIM라이브러리 개발 추진방향에 대한 연구
전민정(Jeon Min Jung),김현덕(Kim Hyun Duk) 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.11
4차 산업혁명, 포스트 코로나 시대를 대비하기 위한 한국판 뉴딜의 대표 과제 중 디지털 트윈은 스마트 시티 구축의 핵심 기술로 등장하였다. 현실세계와 가상세계를 실시간으로 연결할 수 있는 디지털 트윈 기술 중 건축물의 설계부터 유지보수까지 전 생애주기에 걸쳐 관리가 가능한 BIM기술의 중요성은 매우 높아지고 있다. 국가에서도 이러한 중요성을 인식하여, 건설산업 BIM기본 지침을 발표하고 각 분야별로 BIM라이브러리 개발을 진행하고 있다. 그러나 현재 진행되고 있는 라이브러리 개발은 건설분야에 특화되어 있으며, 다양한 산업과의 융합이 진행되고 있는 정보통신설비 등의 속성정보를 담기에는 문제가 발생할 수 있다. 본 연구에서는 이러한 문제를 해결하기 위해 현재 BIM라이브러리 개발에 대한 방향을 분석하고, 정보통신설비에 특화된 BIM라이브러리에 대한 필요성 및 추진방향에 대해 제시하였다.
다층자료의 구조적 특성에 따른 다층모형의 모수추정 비교 - 2-level HLM, 3-level HLM, CMM 방법의 비교 -
전민정(Min Jeong Jeon),강상진(Sang-Jin Kang) 한국교육평가학회 2005 교육평가연구 Vol.18 No.2
본 연구는 다층 모형을 활용하는 연구자들이 흔히 2수준 다층모형의 사용에 편중되어 있다는 점에 근간하여, 수집된 자료의 구조적 특성에 따라 어떠한 다층모형을 활용하는 것이 보다 적절한 분석 방법이 될 것인지 파악하는 것을 목적으로 하였다. 이를 위해 2수준 다층모형과 3수준 다층모형, 이원 다층모형의 모수 추정방식, 제공되는 정보 유형 및 유사점과 차이점을 이론적 차원에서 제시하였으며, 경험적 자료 분석 결과를 통해 세 모형의 모수 추정치의 차이를 비교·논의하였다. The purpose of this study was to provide the theoretical relationship of parameter estimation between 2-level HLM, 3-level HLM, and crossed multilevel model(CMM) and to show empirical illustrations of the estimates when the three models analyzed the same data. The three models were compared under three conditions of model specification. The results of the analyses were as below. First, the three models decomposed variance components differently when the base models were compared. CMM decomposed the total variance into four components, while 2-level HLM and 3-level HLM decomposed the variance into only two and three components respectively. Second, the three models yielded nearly equal parameter estimates of the fixed effects when the predictors are specified at macro-level only. Third, 2-level HLM showed larger parameter estimates for fixed effects, and more shrunken standard errors of the estimates than CMM when the predictors were specified at both micro- and macro-level in the models. However, the results of parameter estimation of 3-HLM and CMM were almost identical.
온라인쇼핑몰에서 상품착장사진 배경에 대한 감성반응이쇼핑몰에 대한 태도에 미치는 영향
전민정 ( Min Jung Jeon ),여은아 ( Eun Ah Yoh ) 한국패션비즈니스학회 2014 패션 비즈니스 Vol.18 No.2
As the online shopping mall market faces severe competition, marketers have focused on visual factors that generate positive consumer responses in order to induce more consumers. Although product photos are crucial in the communication of product information as well as in the development of positive images of online shopping mall, there was little intention the effect of diverse types of product photo. In this study, three types of backgrounds (i.e., no background, indoor background, street background) are compared in order to explore whether consumer sensibility factors are different according to photo backgrounds. Moreover, it investigates the effect of sensibility toward photo backgrounds on consumer attitude. A total of 222 consumers participated in the experiments. As are sult, six sensibility factors were generated from online model photos, including structure, upscale, uniqueness, interest, simpleness, and easiness factors. Among these factors, simpleness and structure showed the highest means; simpleness was the factor indicating the differences according to photo backgrounds. Sensibility factors affecting attitude toward online shopping malls were uniqueness in the case of no background, interest in the case of indoor background, and upscale in the case of street background photo.
전업주부의 양육 부담과 우울감이 수면의 질에 미치는 영향 : 가계수입의 조절된 매개효과 검증
전민정(Min-Jeong Jeon),정나래(Na-Rae Jeong),황태영(Tae-Young Hwang) 대한수면의학회 2021 수면·정신생리 Vol.28 No.1
Objectives: This study investigated sleep quality in female full-time homemakers and evaluated the relationship of sleep disturbance with psychological and socio-environmental factors. Methods: This cross-sectional study adopted a structured survey and sequential recruitment method for randomized participation of community-dwelling full-time female homemakers. Sleep quality and mental health were measured using the Korean version of the Pittsburgh Sleep Quality Index (K-PSQI), Korean version of the Beck Depression Inventory-II (K-BDI-II), Korean version of the Beck Anxiety Inventory (K-BAI), and Korean version of the Beck Hopelessness Scale (K-BHS). The willingness- to-pay (WTP) method was selected to measure the self-evaluated monetary value of household service work. The relationship among the main relevant factors was statistically analyzed through a mediation model. Results: A total of 166 participants were analyzed and classified having poor versus good sleep quality (poor : 24.1%, n = 40 ; good : 75.9%, n = 126 ; cut-off point = 9 on the K-PSQI). Significant between-group differences were observed in mental health status (K-BDI-II, p < 0.001 ; K-BAI, p < 0.001 ; K-BHS, p = 0.003). The moderated mediation model was verified, indicating that depression may mediate the association between nurturing burden and sleep disturbance. The path from nurturing burden to depression may be moderated by average monthly household income. Conclusion: A relatively high portion of full-time female homemakers may suffer from sleep disturbance and interactions between psychological and socio-environmental factors might determine sleep quality, suggesting the need for public health policies targeting improvement of sleep quality and mental health among full-time homemakers.
일-가정 균형이 이직의도에 미치는 영향에서 경력몰입의 매개효과: MICE 산업을 중심으로
전민정 ( Jeon Min-jung ),윤은주 ( Yoon Eun-joo ) (사)한국마이스관광학회(구 한국컨벤션학회) 2018 MICE관광연구 Vol.18 No.3
The purpose of this study is to examine the influence of MICE industry workers' work-family balance on turnover intention. In the process, I tried to verify the mediating effect between work-family balance and turnover intention of career commitment. As a result of analysis, first, it was found that the work-family conflict directly affected their turnover intention. Second, the facilitation of work-family influenced the workers’ turnover intention both directly and indirectly. Notably, career commitment mediated the effect of the work-family facilitation on the turnover intentions. Third, the longer occupational experience the workers had the higher career commitment they possessed. Therefore, it is important to reduce work-family conflicts in order to reduce the turnover intention of MICE industry workers; and it is also important to enhance their career commitment.
Macro Block 기반의 효과적인 GOP구조 선택 알고리즘
전민정(Jeon Min-Jeong),문영득(Moon Young-Deuk),정희태(Chung Hee-Tae) 한국콘텐츠학회 2005 한국콘텐츠학회 종합학술대회 논문집 Vol.3 No.1
GOP 구조를 제어하여 양질의 영상을 제공하기 위한 방법들이 많이 제안되어 있다. 그러나 기존의 알고리즘들은 GOP 구조를 결정하기 위해 일정량의 영상을 사전 검토하여야 하는 과정을 거쳐야 하므로 계산 량이 증가하게 되어 대용량 프레임 메모리가 필요하고 시간적으로도 지연되므로 실시간 적응에는 적합하지 못하다. 본 논문에서는 매크로 블록을 기반으로 한 실시간 적응적인 알고리즘을 제안한다. 제안한 매크로 블록 기반의 GOP 구조를 이용하여 효과적인 영상처리 결과를 얻었다. There are many suggestion of methods which get good quality images by controling the GOP structure. But the existing algorithm should have not good to deal the real time adaptive processing determine the GOP structure because which check the fixed quantity of image in advance and require high capacity of frame memories and have delay time by increasing calculation quantity. This paper propose the algorithm which adapt the real time by the basic of macro block. We show the good simulation results using the proposed GOP structure based on macro block.