Urban Change Detection of Pingtan City based on Bi-temporal Remote Sensing Images

Urban Change Detection of Pingtan City based on Bi-temporal Remote Sensing Images

In this paper, a pair of SPOT 5-6 images with the resolution of 0.5m is selected. An object-oriented classification method is used to the two images and five classes of ground features were identified as man-made objects, farmland, forest, waterbody and unutilized land. An auxiliary ASTER GDEM was u...

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Veröffentlicht in:IOP conference series. Earth and environmental science 2017-02, Vol.57 (1), p.12056
Hauptverfasser: Degang, JIANG, Jinyan, XU, Yikang, GAO
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Agricultural land
Change detection
Classification
Image classification
Remote sensing
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description In this paper, a pair of SPOT 5-6 images with the resolution of 0.5m is selected. An object-oriented classification method is used to the two images and five classes of ground features were identified as man-made objects, farmland, forest, waterbody and unutilized land. An auxiliary ASTER GDEM was used to improve the classification accuracy. And the change detection based on the classification results was performed. Accuracy assessment was carried out finally. Consequently, satisfactory results were obtained. The results show that great changes of the Pingtan city have been detected as the expansion of the city area and the intensity increase of man-made buildings, roads and other infrastructures with the establishment of Pingtan comprehensive experimental zone. Wide range of open sea area along the island coast zones has been reclaimed for port and CBDs construction.
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subjects Agricultural land
Change detection
Classification
Image classification
Remote sensing
title Urban Change Detection of Pingtan City based on Bi-temporal Remote Sensing Images
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