• Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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• 2008.06a
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• pp.322-324
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• 2008

재난재해 등 긴급 상황이 발생했을 때 신속한 대응 체계 수립을 위해 비 접근 및 난접근 지대, 목표물 감시대상지역에 대한 공간정보를 신속하게 취득할 수 있는 실시간 공중모니터링 체계의 구축이 시급한 실정이다. 이에 본 연구에서는 긴급한 재난 상황과 혹은 이와 유사한 여러 상황에 신속하고 유연하게 운용될 수 있는 무인헬기 기반의 실시간 공중 모니터링 체계에 적용할 멀티 센서 시스템의 설계를 목표로 한다. 이를 위해 먼저 실시간 공중모니터링 임무 및 운용 시나리오를 크게 4가지로 설정하고 이에 적합한 디지털 카메라, 레이저 스캐너, GPS/IMU 및 무인헬기 플랫폼의 요구사항을 각각 도출하였다. 또한, 기술 동향 및 규격 조사결과를 바탕으로 도출된 요구사항에 가장 적합한 각각의 센서 및 플랫폼을 선정하였다. 마지막으로 시스템 설계의 최적화를 위하여 시뮬레이션을 통해 설정된 임무에 부합하는 품질의 공간정보 성과물이 선정된 멀티센서 시스템으로부터 취득 가능한가를 검증하였다. 본 연구를 통해 소형무인헬기기반의 멀티 센서시스템에 대한 최적 설계의 방법론을 정립할 수 있었고, 향후 설계의 결과는 임무로부터 도출된 요구사항에 최적화된 맞춤형 시스템 구축에 적용들 예정이다.

• Journal of Cadastre & Land InformatiX
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• v.50 no.2
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• pp.101-115
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• 2020

In this paper, big data analysis method was used to find out global trends in autonomous driving and to derive activate spatial information services. The applied big data was used in conjunction with news articles and patent document in order to analysis trend in news article and patents document data in spatial information. In this paper, big data was created and key words were extracted by using LDA (Latent Dirichlet Allocation) based on the topic model in major news on autonomous driving. In addition, Analysis of spatial information and connectivity, global technology trend analysis, and trend analysis and prediction in the spatial information field were conducted by using WordNet applied based on key words of patent information. This paper was proposed a big data analysis method for predicting a trend and future through the analysis of the connection between the autonomous driving field and spatial information. In future, as a global trend of spatial information in autonomous driving, platform alliances, business partnerships, mergers and acquisitions, joint venture establishment, standardization and technology development were derived through big data analysis.

• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.32 no.spc4_2
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• pp.413-420
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• 2014

Cadastral spatial information closely related to ownership of people is potentially very valuable information. As 3D cadastre has been actively discussed to reflect realistic living territory and legal relationship in recent years, it is highly expected to be created added value before long using that information. However, in aspect of visualization that performs an important function for decision making by facilitating intuitive thinking about spatial information, systematic solution has not been suggested to visualize the cadastral spatial information on a map with existing 3D spatial information. For that reason, in this paper, visualization method was proposed to integrate the cadastral spatial information with the existing information effectively. Requirements for 3D cadastral spatial information system were drawn based on literature review, and then specific visualization method was established by constructing user scenarios. Research results of this paper are highly expected to be applied to the integration work with the existing 3D information on a spatial information open platform.

• Journal of Korean Society for Geospatial Information Science
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• v.13 no.2 s.32
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• pp.51-63
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• 2005

With the emerging mobile technologies, applications based on GIS are also getting more attention recently. But it is known to have some limitations in being served in different types of mobile devices and platforms. While information services are limited by data format and data exchange between platforms, the eXtensible Markup Language(XML) is getting focused as the most promising technology as the solution to such problems. Geographic Markup Language(GML) is based on XML technology and is being frequently mentioned recently as the solution to service problem on different mobile devices as well as the internet. In this study, we suggested the framework to use the GML in order to transfer and represent geographical data through the on-line or wireless platforms. We compared different application types which are currently used with GML and proposed to improve GIS services using the GML in geographical data transfer and description.

• Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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• 2009.04a
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• pp.235-236
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• 2009

실시간 공중 자료획득 시스템은 재난 재해와 같은 긴급 상황에서 빠르게 자료를 취득하여 대상 지역의 정사 영상과 같은 공간정보를 취득하는 시스템이다. 이러한 시스템에서 GPS와 INS는 플랫폼의 위치와 자세정보를 획득 하는데 중요한 역할을 하며 이번 연구에서는 GPS/MEMS IMU 센서의 성능 평가를 실측 데이터를 통하여 실시간 공중 자료획득 시스템에 대한 적합성을 평가하였다.

• Proceedings of the Korean Society of Disaster Information Conference
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• 2023.11a
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• pp.71-72
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• 2023

해양 디지털 트윈 구축을 위해서는 바다와 인접한 육상공간, 해상 및 해저 공간 등의 공간 정보와 시시각각 변하는 해양 환경 데이터, 그리고 해양 생태계 및 해양 자원 등 관련된 해양 데이터를 수집하고 이를 트윈에 적용하는 것이 필수적이다. 본 논문에서는 해양 디지털트윈 구축을 위해 필요한 해양 데이터의 국내 제공 현황을 정리하였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2016.04a
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• pp.318-320
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• 2016

본 논문은 이기종 클라우드 저장공간을 통합하여 하나의 저장공간으로 사용하는 플랫폼 환경에 필요한 보안 방법들에 대해 논한다. USB를 이용한 보안 방법을 제시하고 클라우드 스토리지의 데이터를 안전하게 사용하기 위한 방법에 대하여 논한다.

• Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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• v.29 no.3
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• pp.303-309
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• 2011

Situation awareness services which increasingly expand their influence in everyday life can be classified into location-based service and social network service. Their quality of service (QoS) can be differed based on the location accuracy of smart phones and accuracy of directional recognition technology. This study was conducted to analyze GPS, digital compass, radio communication, and geospatial web information which can provide a clue in using the situation aware services based on lab experiments and surveys. According to the result of lab experiment on accuracy of determining location / direction with smart phones, owing to inherent lack of indoor accuracy in determining position and direction, as well as errors in spatial data used as platform, it was found that devices were not provided with sufficiently accurate data when using the situation aware services indoors compared to outdoors. To enhance accuracy of determining indoor positions, there are several methods including location metering based on Wi-Fi, which had several problems compared with GPS used in outdoor environment. Thus, it was determined that more study would be necessary to solve these issues.

• Spatial Information Research
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• v.21 no.1
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• pp.15-22
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• 2013

Recently, there are various attempts to construct a u-City and a smart city. A Spatial information as the city-based infrastructure has been recognized as an essential element. In many cases GIS data being lack of compatibility due to the various format, it is difficult to provide public web services and link the data between government organizations. In this study, we developed a interconnection Server based on OGC standardization to support interoperability in a heterogeneous distributed environment. we hope the interconnection server that will be utilized as u-City platform and response platform for volcanic disaster through the test in the test-bed.

• Proceedings of the Korea Information Processing Society Conference
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• 2020.11a
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• pp.43-44
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• 2020

최근 케이팝 문화의 확산으로 한류라는 브랜드가 구축되고, 이에 관심이 급증함에 따라 관련 콘텐츠 시장의 혁신이 요구되고 있다. 본 논문은 한류문화 전수를 위한 수퍼인텔리전스 기반의 확장현실(XR) 소프트웨어 플랫폼에 관한 것으로, 본 플랫폼을 통하여 한류 문화 체험 및 전수가 가능하다. 세부적으로는 한류 콘텐츠 전수를 위한 확장현실 기반 공간을 바탕으로 딥러닝 기반 영상 생성 및 동작 분석기술, 자동 음악생성 기술, 한류 문화 데이터 보안 기술을 포함한 통합적인 플랫폼 환경을 설계하여 제안한다. 또한 이 플랫폼의 3차원 동작 분류 및 예측을 향상 시킬 수 있는 방법을 제안한다.