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Classification of hyperspectral data from urban areas using morphological preprocessing and independent component analysis

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4 Author(s)
Palmason, J. ; Dept. of Electr. & Comput. Eng., Iceland Univ., Reykjavik, Iceland ; Benediktsson, J.A. ; Sveinsson, J.R. ; Chanussot, J.

Classification of high-resolution hyperspectral data is investigated. Previously, in classification of high-resolution panchromatic data, simple morphological profiles have been constructed with a repeated use of morphological opening and closing operators with a structuring element of increasing size, starting with the original panchromatic image. This approach has recently been extended for hyperspectral data. In the extension, principal components of the hyperspectral imagery have been computed in order to produce an extended morphological profile. In this paper, we investigate the use of independent components instead of principal components in extended morphological profiles, i.e., selected independent components are used as base images for an extended morphological profile. In the proposed approach, the extended morphological profiles based on the independent components are used as inputs to a neural network classifier. In experiments, a hyperspectral data sets from an urban area in Pavia, Italy is classified.

Published in:

Geoscience and Remote Sensing Symposium, 2005. IGARSS '05. Proceedings. 2005 IEEE International  (Volume:1 )

Date of Conference:

25-29 July 2005