Shape-adaptive neighborhood classification method for remote sensing image

Hongsheng Zhang; Yan Li

doi:10.1117/12.815857

29 December 2008 Shape-adaptive neighborhood classification method for remote sensing image

Hongsheng Zhang, Yan Li

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 72850F (2008) https://doi.org/10.1117/12.815857
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

High spatial resolution remote sensing images are playing an increasing important role in various applications in the world. As the fundamental work, classification of remote sensing is significant in the applications. This paper proposed a new feature extraction approach based on the shape adaptive neighborhood (SAN) for the classification of high spatial resolution remote sensing images. The heterogeneity based on the color characteristics was employed to determine the SAN of each pixel. Then all the color features, texture features and shape features were extracted from each SAN, and were fused by the feature level data fusion methods to the final feature space of the RS image. Then the features were used to do the classification work. As the experiment results shown, the total precision of the classification was 0.9187, and the kappa coefficient was 0.7950. By analyzing different maximum size of the SAN and different threshold of the heterogeneity, the best maximum size of the SAN was 11*11 for the study area and the most suitable threshold was 0.5.

Citation Download Citation

Hongsheng Zhang and Yan Li "Shape-adaptive neighborhood classification method for remote sensing image", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 72850F (29 December 2008); https://doi.org/10.1117/12.815857

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KEYWORDS

Remote sensing

Feature extraction

Image classification

Image segmentation

Image processing

Spatial resolution

Shape analysis

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