Combining the decision tree and supervised classification techniques to identify tobacco fields in satellite images: Luxi County of Yunnan Province in China as an example

Xuexia Zhang; Weihong Cui; Zhenguo Niu; Jinggang Li; Na Zhao

doi:10.1117/12.678700

27 September 2006 Combining the decision tree and supervised classification techniques to identify tobacco fields in satellite images: Luxi County of Yunnan Province in China as an example

Xuexia Zhang, Weihong Cui, Zhenguo Niu, Jinggang Li, Na Zhao

Author Affiliations +

Proceedings Volume 6298, Remote Sensing and Modeling of Ecosystems for Sustainability III; 62981W (2006) https://doi.org/10.1117/12.678700
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Luxi County of Yunnan Province in China has the biggest areas of tobacco fields that belong to Chinese Red River Tobacco Company. And the areas of tobacco field in 2005 achieved more than 20,000 Chinese acres. So Luxi County is the ideal bed to identify the tobacco field by remotely sensed technology. The paper introduces SPOT5 imagery with the high spatial resolution of 5m and clear texture information and Landsat TM imagery with the medium spatial resolution of 30m and high spectrum resolution in study area. Firstly, we ortho-rectify the TM and SPOT imageries in study area, then uses the pansharp fusion method to fuse the above two Ortho-images with different spatial resolutions. Lastly, based on the spatial distribution patterns of the tobacco field with highly congregated in macro regions of continent & nation, and the small patch dispersible at the levels of the County & Town & Village, considered the tobacco spectrum characteristic and the terrain distribution characteristic, the paper introduces the altitude above sea level, the slope, the vegetation index (NDVI), the texture factor and so on to identify the tobacco fields in the fused imagery. The rate of accuracy of computer classifies by this method achieves 77.75%.

Citation Download Citation

Xuexia Zhang, Weihong Cui, Zhenguo Niu, Jinggang Li, and Na Zhao "Combining the decision tree and supervised classification techniques to identify tobacco fields in satellite images: Luxi County of Yunnan Province in China as an example", Proc. SPIE 6298, Remote Sensing and Modeling of Ecosystems for Sustainability III, 62981W (27 September 2006); https://doi.org/10.1117/12.678700

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KEYWORDS

Image fusion

Earth observing sensors

Spatial resolution

Satellites

Absorption

Satellite imaging

Remote sensing

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