• Title/Summary/Keyword: road facility

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Automatic Identification of Road Sign in Mobile Mapping System (모바일매핑시스템을 이용한 도로표지판 자동 추출에 관한 연구)

  • Jeong, Jae-Seung;Jeong, Dong-Hoon;Kim, Byung-Guk;Sung, Jung-Gon
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2007.04a
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    • pp.221-224
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    • 2007
  • MMS(Mobile Mapping System) generates a efficient image data for mapping and facility management. However, this image data of MMS has many difficulties in a practical use because of huge data volume. Therefore the important information likes road sign post must be extracted from huge MMS image data. In Korea, there is the HMS(Highway Management System) to manage a national road that acquire the line and condition of road from the MMS images. In the HMS each road sign information is manually inputted by the keyboard from moving MMS. This manually passive input way generate the error like inaccurate position, mistaking input in this research we developed the automatic road sign identifying technique using the image processing and the direct geo-referencing by GPS/INS data. This development brings not only good flexibility for field operations, also efficient data processing in HMS.

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Development of infiltration facility by utilizing tree box for urban storm water runoff reduction (도시지역 우수유출 저감을 위한 식재박스형 침투시설의 개발)

  • Joo, Jin-Gul;Cho, Hye-Jin;Lee, Yu-Hwa;Kim, Lee-Hyung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.12 no.11
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    • pp.5330-5336
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    • 2011
  • It becomes more and more important to develop various infiltration facilities for healthy water cycle and reduction of urban storm water runoff. In this study, a infiltration facility by utilizing tree box was developed. The developed facility is capable of reducing storm water road runoff, improving urban water cycle, and performing other sustainable and environmental functions. Because the facility can be manufactured to a smaller size than an existing runoff reduction facility, it can be installed at various road types of not only existing urban areas, but new developed areas. If the facility is applied to four-lane roadways, it is expected to reduce 65% of rainfall runoff discharge. Urban flood control improvement can be accomplished by a wide application of the developed technique.

Construction of Road Alignment Information Using LiDAR Data (LiDAR 자료를 이용한 도로의 선형정보 구축)

  • Lee, Jong-Chool;Kim, Hee-Gyoo;Seo, Yoong-Cheol;Roh, Tae-Ho
    • Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
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    • 2007.04a
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    • pp.471-474
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    • 2007
  • On the road, geometric structure such as horizontal alignment, vortical alignment and crossing inclination ate important to explain characteristics of road and safety analysis. Especially, horizontal and vortical alignment are have to do with safety of covering. In existing road, for the safety analysis or alignment improvement and expansion pavement, it needs alignment factor of road. Alignment factor of road can be acquired by design drawing. But, design drawing can be not exist because of rack of facility management and national policy that centered to construction. And also, existing design drawing have a lot of differences in comparison with another existing design drawing cause of alignment improvement. In this case, for the precise analysis of alignment, 3-dimensional location information on the road centerline and acquisition of location information which related geometric structure are must to be preceded. In this study, therefore, it provide alignment factors which needed to alignment improvement and road safety analysis by acquisition of road space information and extraction of road centerline data using LiDAR data.

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A Study for Examination of Road Noise Prediction Results According to 3-d Noise Prediction Models and Input Parameters (3차원 소음예측모델 및 입력변수 변화에 따른 도로소음 예측결과 검토에 대한 연구)

  • Sun, Hyosung
    • Journal of Environmental Impact Assessment
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    • v.23 no.2
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    • pp.112-118
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    • 2014
  • The application of a 3-d noise prediction model is increasing as a tool for performing actual noise assessment in order to investigate the noise impact of the residential facility around a development region. However, because the appropriate plans of applying a 3-d noise prediction model is insufficient, it is important to secure the reliability of the noise prediction results generated by a 3-d noise prediction model. Therefore, this study is focused on examining a 3-d noise prediction model, and a prediction equation and input data in it. For this, the 3-d noise prediction models such as SoundPLAN, Cadna-A, IMMI is applied in road noise. After the contents of road noise equations, input data of road noise source, and input data of road noise barrier are understood, the road noise prediction results are compared and examined according to the variation of 3-d noise prediction model, road noise equation, and input data of road noise source and road noise barrier.

Development of the Integrated Information Management System for Efficient Road Management (효율적 도로관리를 위한 통합정보관리시스템 개발)

  • 임인섭;황창섭;최석근
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.21 no.4
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    • pp.331-339
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    • 2003
  • It is difficult for the road management system to give a correct road information because road facilities are differently managed according to each object. In this study, we have solved this problem of road information management and, developed a system which is able to integrate various data of facilities and to maintain the latest property of data by introducing server-client network structure for managing road facilities more efficiently. And, we have shown the affairs of the road information management could be achieved scientifically, by the integration of graphic, attribute and photograph information relevant to road. This enabled the connection of graphic data and the stereo drawing composition, and enhanced the feeling of real world experience using the dynamic image data of the road.

A Study on Site investigation for Cut Slope Management Manual preparation (절토사면 유지관리 매뉴얼 작성을 위한 현장조사에 관한 연구)

  • Ji, Young-Hwan;Chang, Buhm-Soo;Kim, Yong-Soo;Lee, Jong-Young
    • Proceedings of the Korean Geotechical Society Conference
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    • 2005.03a
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    • pp.825-830
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    • 2005
  • Cut slope and facility of management investigation is the protection of humans and properties. it is very important the prevention of disaster facility and the damage of the slope protection facility. It is very difficult to forecast slope stability, disaster possibility and collapse. It will be able to minimize the damage which it prepare against slope facility and cut slope of deformable investigation and collapse and the disaster. therefore those deformable investigation is important. Investigations execute upheaval, crack, sliding for slope and cut slope reinforcement. Investigation executes forecast in place where the construction problem, the effect which the damage in road traffic or the contiguity facility.

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A Study on the design of Database for photograph of Road Facilities (도로시설물 관리를 위한 Photo Database 설계에 관한 연구)

  • 엄우학;정동훈;김정현;김병국
    • Spatial Information Research
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    • v.11 no.1
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    • pp.33-40
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    • 2003
  • For effective management of information about establishment and repair of road and road facilities, we built GPS-Van mapping system that CCD Cameras, GPS receivers and INS are integrated and using it surveyed test area. Suggested a scheme that possible put acquired data into photo database systematically. Prototype of road facilities management system using the database shows us that extraction of qualitative information and management are possible through relation attribute information. And it raise cognitive faculty of user about objects using field photographs.

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Construction of Information System for Building and Road Facility Using Photogrammetric Analysis (사진해석을 이용한 건물 및 도로시설물 정보시스템 구축)

  • 손덕재;이승환
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.21 no.1
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    • pp.71-79
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    • 2003
  • This study intended to extract the spatial data and attribute data from the images of terrestrial and aerial photographs and to compile the digital map from the images using various kinds of photograrmmetric analysis. Also this study aimed to develope the technique of constructing the Information System for Building and Road Facility (ISBRF) using the compiled digital maps and the extracted data. The spatial or attribute data for the facilities in the area was extracted using the single terrestial photographs and graphical method. And the Three Dimensional Frame Model was produced from multiple images of terrestial photographs. In addition, the spatial data base for the objective area was updated by the vectorizing procedures with small scale areal photos. It is concluded that the efficient techniques for constructing the ISBRF was suggested in this study.

Construction of Imperial Palace and Reorganization of Urban Structure in Seoul During the Korean Empire Period(1897-1910) (대한제국 황궁의 조성과 한성부 도시구조의 재편)

  • Lee, Geau-Chul
    • Journal of architectural history
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    • v.29 no.6
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    • pp.41-56
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    • 2020
  • This study attempted to clarify the modern transition process of the urban space through the construction and change of the Imperial Palace as a central facility in Seoul. The road renovation of Seoul, which started in 1895, has established a modern, circular transportation system centered on Gyeongun-gung Palace, the Imperial Palace along with the tram line. In this urban structure, the imperial palace as a central facility of the former monarchy, unlike the previous palaces, could not be located at the top of a road with a longitudinal axis, and it expanded its territory around foreign legionaries and placed a new government office around the perimeter. However, the royal palace was moved to Changdeokgung Palace in 1907 with the throne of Sunjong. With the creation of Changdeokgung, which is the periphery of Seoul, as new royal palace, the status of the imperial palace in the city was remarkably weakened, and Gyeongun-gung, located in the center of Seoul, was also reduced to the current Deoksugung area, turning into an urban facility facing a modern street.