Analysis of CASI data - a case study from the archipelago of stockholm, sweden

机译：CASI数据分析 - 以瑞典斯德哥尔摩群岛的案例研究

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Images from the Compact Airborne Spectrographic Imager (CASI) have been evaluated using regression technique and in situ data. Both the images and the in situ data were collected in the inner parts of the archipelago of Stockholm, Sweden, in August 1997. The study deals with the relation between water quality variables and reflectance measurements from the field and correlation analysis between field data and atmospherically corrected CASI data. The correlation between the field measurements of reflectance and chl a is high, indicating possibilities to use remote sensing data for mapping. Subsequent regression analysis between CASI data and field data does not show the same promising tendency in small areas. This is mainly a result of the poor quality of the CASI data caused by turbulent and cloudy weather conditions, small water quality gradients and unsatisfactory pre-processing. However, the correlation is obvious considering the whole data set.

机译：通过回归技术和原位数据评估了紧凑型空气传输图像仪（CASI）的图像。 1997年8月，斯德哥尔摩群岛的内部收集了图像和原位数据。该研究涉及水质变量与场景与实地数据之间的相关性分析与大气的相关性分析之间的关系纠正CASI数据。反射率和CHL A的场测量之间的相关性很高，指示使用遥感数据进行映射的可能性。 CASI数据和现场数据之间的后续回归分析在小区域内没有显示出相同的有希望趋势。这主要是由湍流和多云的天气条件，小水质梯度和不令人满意的预处理引起的卡西数据质量差的结果。但是，考虑到整个数据集，相关性是显而易见的。

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《International conference on remote sensing for marine and coastal environments》|2000年||共8页
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P. Ammenberg;
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Analysis of CASI data - a case study from the archipelago of stockholm, sweden

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