THE OBJECT-ORIENTED METHOD FOR WETLAND INFORMATION EXTRACTION

doi:10.6046/gtzyyg.2008.01.18

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Abstract

This paper deals with the utilization of the object-oriented method to extract wetland information from the Landsat ETM image. The test area is located in the source area of the Yellow River, and the wetland information extracted includes that of swamps and lakes. The object-oriented method consists of four steps, i.e., image segmentation, class hierarchy building, feature choice and classification, and precision evaluation. The test results show that the object-oriented method can effectively extract wetland information with smooth borders and avoid the pepper shape effect. With some adjustment the method can be widely applied to other areas. It can raise the automation degree of information extraction, reduce artificial workload and improve working efficiency.

Keywords Remote sensing images Landuse Greening covered

TP79

Issue Date: 13 July 2009

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Cite this article:

SUN Yong-Jun, TONG Qing-Xi, QIN Qi-Ming. THE OBJECT-ORIENTED METHOD FOR WETLAND INFORMATION EXTRACTION[J]. REMOTE SENSING FOR LAND & RESOURCES,2008, 20(1): 79-82.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.2008.01.18 OR https://www.gtzyyg.com/EN/Y2008/V20/I1/79

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