Remote Sensing in Rio de Janeiro City | Automatic Land-Cover Classification Derived from High-Resolution IKONOS Satellite Image in the Urban Atlantic Forest

Publisher

VDM Verlag Dr. M�ller

Publication Date

2008

Language

English

ISBN 10

3639057139

ISBN 13

9783639057133

Binding

Taschenbuch

Condition

Neu

Weight

268 grams

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B�cher

About this title

Synopsis

The city of Rio carried out a Land-cover forest classification with visual interpretation using SPOT data. This work produced a compatible thematic map in the scale 1:50,000. The scale of these maps permit to have a global vision of the land change cover but unfortunately do not correspond with the GIS of the city, which works with a scale of 1:10,000. The city searched for options to make this work automatically and quickly to get information for planning and to propose solutions. In order to solve this problem high resolution satellite data and automatic classification of Land-cover classes are needed. Consequently, images as IKONOS need to be used to produce a classification, with a scale corresponding to the GIS of the city. Pixel based classification with IKONOS data show some problems because the level of information in the data produce a lot of incorrect classified pixels. The solution to perform this classification uses the new approach that makes one pre-classification, which transforms the pixel information in objects as well as the feature in the vector representation. To carry out the segmentation and classification processes, oriented objects analysis are used.

About the Author

The author was born in Syracuse, New York Estate, EUA 1962. After having studied and graduated in geography at the Catholic University of Rio de Janeiro/Brazil he post-graduated (Ph.D.) at the Uni- Freiburg - Germany.

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