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Urban spatial structure change detection in land cover map using time-series patch mapping

시계열 패치 매핑을 이용한 토지피복도의 도시공간구조 변화 검출

  • Lee, Young-Chang (Institute of Environment and Ecology, OJeong Eco-Resilience Institute, Korea University) ;
  • Lee, Kyoung-Mi (Department of Computer Science, Duksung Women's University) ;
  • Chon, Jinhyung (Division of Environmental Science and Ecological Engineering, Korea University)
  • 이영창 (고려대학교 오정에코리질리언스연구원 환경생태연구소) ;
  • 이경미 (덕성여자대학교 컴퓨터학과) ;
  • 전진형 (고려대학교 환경생태공학부)
  • Received : 2018.09.06
  • Accepted : 2018.09.20
  • Published : 2018.09.30

Abstract

In this paper, we propose a system to detect spatial structures in land cover maps and to detect time-series spatial structure changes. At first, the proposed system detects patches in a certain area at different times and calculates their measures to analyse spatial structure patterns of the area. Then the system conducts patch mapping among the detected time-series patches and decides 6 types of patch changes such as keeping, creating, disappearing, splitting, merging, and changing in a mixed way. Also, the system stores the patch-based spatial structure patterns of time-series land cover maps in binary form to extract changes. This demonstrated that the proposed change detection system can be used as a basis for planning the reconstruction of the urban spatial structure by measuring the degree of urban sprawl.

Acknowledgement

Supported by : 한국연구재단

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