• Proceedings of the Korea Water Resources Association Conference
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• 2006.05a
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• pp.1131-1134
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• 2006

우리나라는 최근 기상변동에 따른 집중호우와 태풍의 영향으로 풍수해 피해지역 및 재산피해액이 증가하고 있다. 이러한 풍수해 피해를 경감시키기 위해 많은 연구와 노력이 계속되고 있다. 최근에는 지리정보시스템을 이용하여 시간적, 공간적 분석을 통해 홍수범람지도 등을 작성하여 홍수 피해를 최소화 하려고 노력을 하고 있다. 본 연구에서는 지리정보시스템을 이용한 홍수범람 수심의 분포 및 범람면적 등을 산정하기 위해 HEC-GeoRAS와 HEC-RAS를 연계하여 IHP 대표시험유역으로 운영중인 금강수계 보청천유역내 삼가천 지류인 적암천에 적용하였다. 유역의 유출분석 후 ArcView와 HEC-GeoRAS를 통하여 지형학적인 인자와 요소들을 추출하고 실측자료와 비교하였으며, 빈도별 홍수량에 대한 하천의 빈도분석 후 홍수위 및 빈도별 홍수 위에 따른 피해 면적 산정 후 GIS System을 이용하여 홍수범람위험 지역을 결정하였으며 산정된 기본자료는 유역의 홍수발생시 인명과 재산 피해에 대비한 홍수범람 지도 및 홍수재해 지도 제작에 도움이 될 것으로 판단된다.

• Korean Institute of Interior Design Journal
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• v.20 no.1
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• pp.43-50
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• 2011

According to the recent expansion of Trade Shows within the government's policy in exhibition industry, studies about the trade shows needs to be focused more on the attendees related to the environment. In most of the researches related to this topic until now had been biased in terms of economic benefits and the standpoint of organizers. Considering that this study is to improve environment of Trade Shows from an attendees' point of view as an attempt to apply the concept of Service Design which is the activity of planning and organizing people, infrastructure, communication and material components of a service. It is about the idea of bringing service design principles to services in Trade Shows. Good design process brings in a good understanding of the context : understanding the environment and redefining problems from the standpoint of attendees, in order to improve its quality, the interaction between service provider and attendees and the attendees' experience.

• Proceedings of the Computational Structural Engineering Institute Conference
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• 2007.04a
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• pp.289-294
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• 2007

Virtual reality (VR) technology for construction project includes 3D CAD application and 4D CAD system for visualizing construction schedule data. 3D CAD application is more important in the design phase and 4D CAD system is effective tool in the construction phase. This study suggests a methodology to develop VR functions that can be used for project life cycle. The results of this study includes composition algorithms to make VR systems such as bird's eye view system, VR drawings system, VR telepresence system and VR risk management system. Those methodologies can be used for integrated VR system with nD CAD object.

• Applied Science and Convergence Technology
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• v.27 no.4
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• pp.61-64
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• 2018

The basic principle and concept for hydrogen production via water-splitting process are introduced. In particular, recent research activities and their progress in the photoelectrochemical water-splitting process are investigated. The material perspectives of semiconducting photocatalysts are considered from metal oxides, including titanium oxides, to carbon compounds and perovskites. Various structural configurations, from conventional photoanodes with metal cathodes to tandem and nanostructures, are also studied. The pros and cons of each are described in terms of light absorption, charge separation/photoexcited electron-hole pair recombinations and further solar-to-hydrogen efficiency. In this research, we attempt to provide a broad view of up-to-date research and development as well as, possibly, future directions in the photoelectrochemical water-splitting field.

• Asia-Pacific Journal of Business
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• v.10 no.1
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• pp.13-23
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• 2019

Asian food and the Asian restaurant market have grown rapidly in the international market. It has become one of the major trends in the restaurant industry in the world. However, there has been little attempt to develop a scale for measuring customer's motivation to experience Asian restaurants, and cross-cultural approaches are very rare. From this point of view, this study examined an instrument to measure motivation to visit Asian restaurants developed by Jang and Kim (2015), which was originally developed based on UK customers, by applying the population from another cultural background, Thailand. A total of 308 valid responses were obtained in Thailand. CFA was performed with a Thai sample to test internal and external consistency of the scale with another population, and a comparison was made between UK and Thai customers.

• International conference on construction engineering and project management
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• 2020.12a
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• pp.207-215
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• 2020

The purpose of this study is to investigate the current status of claim management process of general contractors in South Korea. As the claim management becomes more important nowadays, maintaining the process for claim management systematically and consistently becomes more important as well. To improve the claim management process, it is necessary to diagnose the current status of claim management process so companies establish their targets for improvement. This study develops a survey to identify the current status of claim management process that major general contractors in South Korea have. Questions in the survey are classified into four categories including entitlement check, potential claim event check, time bar check, and tasks for substantiation. By conducting a series of statistical analyses with 94 survey data collected from employees working in the general contractor companies in South Korea, this study examines and analyzes their claim management process in terms of the several categories. It is expected that the results contribute to diagnosing how practitioners maintain their claim management, which will help them establish the direction of management enhancement.

• Proceedings of the Korea Information Processing Society Conference
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• 2023.11a
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• pp.1165-1166
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• 2023

본 논문에서는 YOLOPv2 를 기반으로 OpenCV 를 활용한 후처리 과정을 도입하여 차선 검출 성능을 극대화할 수 있는 알고리즘을 제안한다. 주요 단계로는 YOLOPv2 모델을 활용한 차선 인식, Bird's eye view 변환, Sobel 및 Morphology Filter 를 통한 왜곡 보정, Histogram 기반 차선 검출, 그리고 후처리 알고리즘 적용이 있다. 이 기술은 자율 주행 및 도로 정보 활용 분야에 활용 가능할 것으로 기대되며, 차선 검출 정확도를 향상시킬 수 있다.

• Journal of the Korea Convergence Society
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• v.8 no.6
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• pp.227-235
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• 2017

The essence of architecture is space acquired as a result of architect's design act, but the object of the design is not the space and it is the physical elements to construct it. The masters of modern architecture have described the types of spaces that can be composed of these elements, but there is a difficulty in constructing the space because they does not mention how to construct it. From this point of view, if architecture is the techniques for human behavior and the art of building space, it is recognized that there is a need for concrete research on how to construct a space with ambiguous substance. Therefore, I conducted research on the extensibility of diagonal spaces through '4 Logements Studio' by Henri Ciriani, a representative architect of Neo Corbusian. The 'network for identity' method proposed by Ciriani was examined as a methode to realize spatial expansion and the furniture should be designed as an element of reading space and 3 optimal alternatives for 4 housing arrangements were obtained based on the Equivalence, Lighting, View, and Community life.

• Proceedings of the Korea Institute of Convergence Signal Processing
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• 2005.11a
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• pp.190-200
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• 2005

In this paper, the image modelling of road's lane markings is established using view frustum(VF) modeling. This algorithm also involve the real time processing of the 3D position coordinate and the distance data from the camera to the points on the 3D world coordinate by the camera calibration. In order to reduce their measurement error, an useful algorithm for which analyze the geometric variations clue to traveling vehicle's fluctuation using VF model is proposed. In experiments, without correction, for instance, the $0.4^{\circ}$ of pitching rotation gives the error of $0.4^{\sim}0.6m$ at the distance of 10m, but the more far distance cause exponentially the more error. We confirmed that this algorithm can be reduced less than 0.1m of error at the same condition.

• The Journal of Korean Medical History
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• v.30 no.2
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• pp.133-143
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• 2017

Objectives : This paper summarizes results from review of 36 cases and medical records extracted from Yeoksimanpil, involving treatment of exogenous disease in the last Joseon dynasty, and considers significance of treatment protocols. Methods : About 130 medical records from Yeoksimanpil related to exogenous disease were reviewed, and 36 cases were extracted for closer investigation. The author examined the characteristics of exogenous diseases treated in Yeoksimanpil during the Joseon dynasty, employing Yi Suki's theory about exogenous febrile disease, and analyzed the theory from the viewpoint of epidemic febrile disease (溫病學). Results : The majority of exogenous diseases recorded in Yeoksimanpil include Sanghan (傷寒); Seo (暑); Ryeohwan (厲患); and Hongjin (紅疹). Sanghan was found to be prevalent among the exogenous diseases, but diseases caused by warmth and epidemic are recognized separately from Sanghan. Yi Suki's theory about exogenous febrile disease is similar to the basic theory of modern epidemic febrile disease, although his theory was developed independently during the last Joseon dynasty. Conclusions : Although some exogenous diseases in Yeoksimanpil were recognized separately, Yi Suki did not specify each feature nor did he focus on each symptom. Instead, the author's research suggests that Yi Suki was able to identify and treat a variety of various exogenous diseases due to his accumulation of medical knowledge and skill.