Spatial Information Research

Korea Spatial Information Society (대한공간정보학회)
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Developing Data Fusion Method for Indoor Space Modeling based on IndoorGML Core Module

  • Received : 2014.03.01
  • Accepted : 2014.04.22
  • Published : 2014.04.30
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Abstract

According to the purpose of applications, the application program will utilize the most suitable data model and 3D modeling data would be generated based on the selected data model. In these reasons, there are various data sets to represent the same geographical features. The duplicated data sets bring serious problems in system interoperability and data compatibility issues, as well in finance issues of geo-spatial information industries. In order to overcome the problems, this study proposes a spatial data fusion method using topological relationships among spatial objects in the feature classes, called Topological Relation Model (TRM). The TRM is a spatial data fusion method implemented in application-level, which means that the geometric data generated by two different data models are used directly without any data exchange or conversion processes in an application system to provide indoor LBSs. The topological relationships are defined and described by the basic concepts of IndoorGML. After describing the concepts of TRM, experimental implementations of the proposed data fusion method in 3D GIS are presented. In the final section, the limitations of this study and further research are summarized.

응용프로그램은 그 목적에 따라 최적의 데이터 모델을 활용하며, 이러한 응용프로그램을 위한 3차원 모델링 데이터는 선택된 데이터 모델을 기반으로 생성된다. 이러한 이유로, 동일한 공간의 지형지물을 표현하기 위해 다양한 데이터 셋이 존재한다. 그러한 중복된 데이터 셋은 공간정보 산업의 재정적 측면에서 문제를 가져올 뿐만 아니라, 시스템호환성과 데이터 비교가능성에서도 심각한 문제를 야기한다. 이러한 문제를 극복하기 위하여, 본 연구에서는 항목클래스내의 공간객체들 간의 위상적 관계를 이용하여 TRM (Topological Relation Method)이라고 하는 공간데이터융합 방법을 제안한다. TRM은 응용프로그램 수준에서 구현되는 공간데이터 융합방법으로써, 서로 다른 데이터 모델에 의해 생성된 기하데이터들을 응용시스템에서 어떠한 데이터 변환이나 교환 과정을 거치지 않고, 직접적으로 실내공간 위치기반 서비스에 제공하기 위해 사용된다. 이러한 위상관계는 IndoorGML의 기본 개념으로 정의 및 기술된다. TRM의 개념을 기술한 후, 3D GIS상에서 제안된 데이터 융합방법의 실험적 구현을 보여준다. 마지막으로서 본 연구의 한계와 향후 연구에 대해 정리한다.

Keywords

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  2. Integrating IndoorGML and Indoor POI Data for Navigation Applications in Indoor Space vol.37, pp.5, 2014, https://doi.org/10.7848/ksgpc.2019.37.5.359
  3. Integrating Image and Network-Based Topological Data through Spatial Data Fusion for Indoor Location-Based Services vol.2020, pp.None, 2014, https://doi.org/10.1155/2020/8877739