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JACIII Vol.8 No.2 pp. 216-222
doi: 10.20965/jaciii.2004.p0216
(2004)

Paper:

Classification of Remotely Sensed Images Using Independent Component Analysis and Spatial Consistency

Xiang-Yan Zeng*, Yen-Wei Chen*,**, and Zensho Nakao*

*Faculty of Engineering, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903-0213, Japan

**Institute of computational Science and Engineering, Ocean University of China

Received:
August 11, 2003
Accepted:
December 1, 2003
Published:
March 20, 2004
Keywords:
classification of remotely sensed image, independent component analysis, spatial consistency
Abstract

We apply independent component analysis (ICA) to learn efficient color representation of remotely sensed images. Among the three basis functions obtained from RGB color space, two are in an opposing-color model by which the responses of R, G and B cones are combined in opposing fashions. This is coincident with the idea of contrasting reflected in many color systems. The interesting point is that there is no summation component that corresponds to illumination in other transforms. Spectral independent components are then used to cluster pixels. After pixel-based classification, we segment an image on the basis of regions by spatial consistency. Experimental results show that this method considerably improves the classification performance of multispectral remotely sensed images.

Cite this article as:
X. Zeng, Y. Chen, and Z. Nakao, “Classification of Remotely Sensed Images Using Independent Component Analysis and Spatial Consistency,” J. Adv. Comput. Intell. Intell. Inform., Vol.8, No.2, pp. 216-222, 2004.
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Last updated on Jan. 19, 2019