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摘要:
The research aims at differentiating dominant crop cultures in two test sites of Baden-Wuert- temberg, Southern Germany by creating crop signatures from radar backscatter values. It seeks to establish whether the crop signatures collected in one test site are comparable or transferable to another test site. The two test sites are located in different agro-ecological zones as described in the climate maps of the “Klimaatlas Baden-Wuerttemberg”. TerraSAR-X images (VV polarization) for the months of July and August 2010 were overlaid with crop fields’ ground truth data. As pre-processing steps, radiometric correction was carried out on the images in order to normalize the topographical effects. Classification of the crops was performed on a field scale, according to the mean and standard deviation of their backscatter values. From the results, potatoes could be uniquely differentiated from the cereals in the two different test sites for both the months of July and August 2010. Cereals (rapes, maize, barley, wheat and oats) had comparable backscatter values and their differentiation varied from one test site to another. The results’ accuracy obtained with a maximum kappa coefficient of 0.82 agrees with results of a similar research carried out in North East Germany.
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篇名 Separability of Dominant Crop Cultures in Southern Germany Using TerraSAR-X Data
来源期刊 遥感技术进展(英文) 学科 医学
关键词 TERRASAR-X Radar Backscatter CROP SIGNATURES CROP Differentiation
年,卷(期) 2015,(2) 所属期刊栏目
研究方向 页码范围 97-107
页数 11页 分类号 R73
字数 语种
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研究主题发展历程
节点文献
TERRASAR-X
Radar
Backscatter
CROP
SIGNATURES
CROP
Differentiation
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研究去脉
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相关学者/机构
期刊影响力
遥感技术进展(英文)
季刊
2169-267X
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
148
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0
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0
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