Data mining and model adaptation for the land use and land cover classification of a Worldview 2 image

L. C. Nascimento; C. B. M. Cruz; E. M. F. R. Souza

doi:10.1117/12.2028561

17 October 2013 Data mining and model adaptation for the land use and land cover classification of a Worldview 2 image

L. C. Nascimento, C. B. M. Cruz, E. M. F. R. Souza

Proceedings Volume 8892, Image and Signal Processing for Remote Sensing XIX; 88920Z (2013) https://doi.org/10.1117/12.2028561
Event: SPIE Remote Sensing, 2013, Dresden, Germany

Abstract

Forest fragmentation studies have increased since the last 3 decades. Land use and land cover maps (LULC) are important tools for this analysis, as well as other remote sensing techniques. The object oriented analysis classifies the image according to patterns as texture, color, shape, and context. However, there are many attributes to be analyzed, and data mining tools helped us to learn about them and to choose the best ones. In this way, the aim of this paper is to describe data mining techniques and results of a heterogeneous area, as the municipality of Silva Jardim, Rio de Janeiro, Brazil. The municipality has forest, urban areas, pastures, water bodies, agriculture and also some shadows as objects to be represented. Worldview 2 satellite image from 2010 was used and LULC classification was processed using the values that data mining software has provided according to the J48 method. Afterwards, this classification was analyzed, and the verification was made by the confusion matrix, being possible to evaluate the accuracy (58,89%). The best results were in classes “water” and “forest” which have more homogenous reflectance. Because of that, the model has been adapted, in order to create a model for the most homogeneous classes. As result, 2 new classes were created, some values and some attributes changed, and others added. In the end, the accuracy was 89,33%. It is important to highlight this is not a conclusive paper; there are still many steps to develop in highly heterogeneous surfaces.

Citation Download Citation

L. C. Nascimento, C. B. M. Cruz, and E. M. F. R. Souza "Data mining and model adaptation for the land use and land cover classification of a Worldview 2 image", Proc. SPIE 8892, Image and Signal Processing for Remote Sensing XIX, 88920Z (17 October 2013); https://doi.org/10.1117/12.2028561

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KEYWORDS

Data mining

Agriculture

Vegetation

Image classification

Data modeling

Image segmentation

Error analysis

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