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박기용(Kiyong Park),오후(Hoo Oh),전원식(Won-Sik Jeon),이의훈(Eui Hoon Lee) 한국산학기술학회 2020 한국산학기술학회논문지 Vol.21 No.9
본 연구는 도시지역에 침수피해가 발생하였을 경우, 장기적인 측면에서 침수피해를 최소화 할 수 있는 방안을 마련하기 위해 비구조적인 대책에 초점을 맞추어 도시공간적인 요인과 침수피해의 영향 관계를 분석하였다. 도시공간적인 요인에 의한 침수피해 영향을 분석하고자 다중회귀 분석(Multiple Regression Analysis)을 활용하여 적용하였다. 도시공간적인 요인은 Open Space, 방재시설, 도시화 부문으로 유형화하였다. 분석 결과, 침수피해 지역은 일정한 지역에 한정되어 발생하며, 공간적으로 매우 높은 상관성을 보이고 있음을 알 수 있다. Open Space의 면적이 넓을수록 침수피해액이 감소하는 바, 녹지, 공원 등의 감소가 침수피해를 증가시키고 있음을 확인할 수 있어, 도시의 안전이라는 기능적인 부분에 있어서 침수피해를 예방하고 대응하기 위해 매우 중요한 요인임을 알 수 있다. 도시화 부문에 포함되는 인구밀도, 지역내총생산(GRDP) 등의 요인은 그 값이 클수록 침수피해액은 증가하는 것으로 분석되어, 침수피해를 유발시키는 원인으로 판단된다. 따라서 기후변화에 적응하기 위해서는 녹지, 공원 등의 도시공간 계획을 전략적으로 수립해야 하며, 인구밀도, 지역내총생산(GRDP) 등은 침수피해를 유발시키는 주요 요인이므로 회복력 차원에서 적절하게 활용한다면 대응과 복구 역할을 할 것으로 판단된다. This study investigated the long-term measures to minimize flood damage in the event of flooding in urban areas. The relationship between urban spatial factors and the impact of flood damage was analyzed, focusing on non-structural measures. The urban spatial factors were categorized into three parts: open space, disaster prevention facilities, and urbanization sectors. Multiple regression analysis was used to investigate how urban spatial factors influence flood damage. As a result of the analysis, the crucial factors, such as the reduced green areas and parks included in the open space sectors, resulted in an increased flood damage potential. The posterior factors, such as the population density and GRDP included in the urbanization sector concurrently led to an increase in the flood damage potential. Therefore, to better adapt to climate change, it is necessary to establish urban spatial plans strategically, such as green areas and parks. Meanwhile, the population density and GRDP are also the main factors causing flood damage. Therefore, when used appropriately in terms of resilience, it will serve as adaptations and recovery.
Advanced Vision System by Subtraction of Background Image for Patient’s Movement during Treatment
Kiyong Park,Jaehyun Choi,Young-Suk Park,Joong-Hyo Bok,Jeawon Park 보안공학연구지원센터 2016 International Journal of Multimedia and Ubiquitous Vol.11 No.7
According to the International Cancer Institute (IARC), the incidence of cancer in the world is rapidly increasing, and in the method of treating cancer, radiation therapy is 45% or more. As in the normal tissue in radiation therapy, to minimize radiation, it is important to maximize the exact dose to the tumor sites for local tumor control rates in intensive research (Local Tumor Rate). Therefore, at the beginning, therapist accuracy of detecting fatigue in the movement of the patient and therapist has been a problem that is weighted down directly. Also, by using a web camera, a difference value between the image to be updated to the reference image is calculated, and if the result exceeds the reference value, using the system for determining the motion has occurred. However, it is not possible in this system to quantitatively analyze the movement of the patient, as the background is changed when moving the treatment bed in the co-therapeutic device was not able to shift the patient. In this paper, using an alpha (α) filter index is an attempt to solve these limitation points, as it quantifies the movement of the patient by separating a background image of the patient and treatment environment, and it only senses movement of the patient during treatment, it was possible to reduce the problems due to patient movement.
Analysis of disaster resilience of urban planning facilities on urban flooding vulnerability
Kiyong Park,Hoo Oh,Jeong-hun Won 대한환경공학회 2021 Environmental Engineering Research Vol.26 No.1
Rainfall continues to increase due to the influence of global warming and is resulting in an increase in flood damage. The purpose of this study is to propose an approach for reducing urban flood damage and improving urban resilience. Urban flooding vulnerability analysis used land use and building characteristics as evaluation indicators. Disaster resilience analysis of urban planning facilities focused on urban and spatial aspects. The results of these analyses were overlapped to analyze whether urban planning facilities were properly located in areas vulnerable to urban flooding. The result of mapping the two results showed that there are some urban planning facilities with low resilience in the Red Zone, the central commercial area of Changwon, which has the highest vulnerability. This zone should have the appropriate placement of high-resilience facilities, such as disaster prevention facilities and space facilities. This study proposes a method to minimize flood damage in urban space. This system can cope with and systematically manage flood damage by increasing disaster resilience through appropriate land use planning and site selection for urban planning facilities.
Analysis of the Effectiveness for Civil Defense and Disaster Safety Education
Kiyong Park,Sungbae Cho 위기관리 이론과 실천 2021 Crisisonomy Vol.17 No.12
최근 자연재난과 사회재난의 피해가 증가하면서, 재난 상황 시 위기상황을 인지하고 적절한 예방 및 대응을 하기 위해 재난안전 교육의 중요성이 증대되고 있다. 본 연구는 재난안전 전문교육기관 중 선도적 역할을 수행하고 있는 국가민방위재난안전교육원에서 실시하는 민방위 재난안전 교육프 로그램의 교육대상자에게 설문조사를 실시하였다. 이를 바탕으로 강사의 능력, 교육과정, 교육방식 의 세 가지 요인을 세분화하여 다중회귀분석을 적용하여 영향관계를 분석하였다. 분석결과, 현장체 험 훈련, 전문성, 목표제시, 반복성, 내용구성, 그리고 협력⋅소통 능력 등의 변수가 민방위 교육의 실효성에 긍정적인 영향을 미치고 있는 것으로 분석되었다. 따라서 재난에 대응하기 위해서는 이러 한 요소들을 강화시켜 민방위 재난안전 교육을 장기적인 측면에서 접근해야 한다. 또한, 이론 교육과 현장 체험 중심의 교육을 적절히 조합하여 유기적이고 효율적인 교육프로그램을 운영한다면 재난에 대한 피해를 최소화 할 수 있을 것으로 판단된다. Recently, the damage from natural and social disasters has been increasing. The significance of Disaster Safety Education appears boosting so as to appropriately prevent and respond it in advance in case of the disasters. The study investigated on the subjects of the Civil Defense and Disaster Safety Education program, conducted by the National Civil Defense and Disaster Management Training Institute. According to the investigation, the influence relationship was analyzed for applying multiple regression analysis through subdividing the three main factors of the instructor’s direct variables, ability, curriculum, and teaching method, respectively. The analysis shows that the indirect variables of experience training, professionalism, goals, repeatability, content composition, cooperation and communication skills have a significantly positive effect on the effectiveness of Disaster Safety Education. Ultimately, in order to respond to the disasters, it is quite necessary to strengthen the comprehensive factors and to set up the integrated Civil Defense and Disaster Safety Education from a long-term point strategy, as well as to efficiently use education programs, which will constantly minimize the damage caused by the disasters as readily as possible.