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author:

Li, Mengmeng (Li, Mengmeng.) [1] (Scholars:李蒙蒙) | Stein, Alfred (Stein, Alfred.) [2]

Indexed by:

SCIE

Abstract:

Spatial information regarding the arrangement of land cover objects plays an important role in distinguishing the land use types at land parcel or local neighborhood levels. This study investigates the use of graph convolutional networks (GCNs) in order to characterize spatial arrangement features for land use classification from high resolution remote sensing images, with particular interest in comparing land use classifications between different graph-based methods and between different remote sensing images. We examine three kinds of graph-based methods, i.e., feature engineering, graph kernels, and GCNs. Based upon the extracted arrangement features and features regarding the spatial composition of land cover objects, we formulated ten land use classifications. We tested those on two different remote sensing images, which were acquired from GaoFen-2 (with a spatial resolution of 0.8 m) and ZiYuan-3 (of 2.5 m) satellites in 2020 on Fuzhou City, China. Our results showed that land use classifications that are based on the arrangement features derived from GCNs achieved the highest classification accuracy than using graph kernels and handcrafted graph features for both images. We also found that the contribution to separating land use types by arrangement features varies between GaoFen-2 and ZiYuan-3 images, due to the difference in the spatial resolution. This study offers a set of approaches for effectively mapping land use types from (very) high resolution satellite images.

Keyword:

graph convolutional networks graph kernels high resolution remote sensing land use mapping

Community:

  • [ 1 ] [Li, Mengmeng]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min & Informat Sharing, Fuzhou 350108, Peoples R China
  • [ 2 ] [Stein, Alfred]Univ Twente, Fac Geoinformat Sci & Earth Observat ITC, POB 217, NL-7500 AE Enschede, Netherlands

Reprint 's Address:

  • 李蒙蒙

    [Li, Mengmeng]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min & Informat Sharing, Fuzhou 350108, Peoples R China

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Source :

REMOTE SENSING

ISSN: 2072-4292

Year: 2020

Issue: 24

Volume: 12

4 . 8 4 8

JCR@2020

4 . 2 0 0

JCR@2023

ESI HC Threshold:115

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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