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Spatial-spectral ant colony optimization for hyperspectral image classification

delete2018-01-25
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S
Shakti Sharma *
K
Krishna Mohan Buddhiraju
DOI:10.1080/01431161.2018.1430403delete
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摘要

摘要

En 中文
Hyperspectral satellite images contain a lot of information in terms of spectral behaviour of objects and this information can be extracted by several mechanisms including image classification. Traditional spectral information-based methods of hyperspectral image classification are generally followed by spatial information-driven post-processing techniques such as relaxation labelling and Markov Random Field. Spectral or spatial information alone may lead to different results depending upon scene captured. An algorithm which can incorporate influence of both spectral and spatial features is needed to address this problem. In this article, an ant colony optimisation-based hyperspectral image classification technique is proposed. This method exploits both spatial and spectral features. Five standard hyperspectral data sets have been used to validate the proposed method and comparisons with other approaches have been carried out. It was observed that the proposed method yielded a significant improvement in classification accuracy. For the instance, nearly 10% increase in accuracy was observed when compared to Support Vector Machine for Indian pines, Botswana, and Salinas images.
Keyword:
EXTRACTION
FRAMEWORK
MACHINE
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期刊

International Journal of Remote Sensing 封面图
International Journal of Remote Sensing
IF:
2.6
论文数:
1.2W
被引数:
2.7W

机构

I
indian institute of technology system (iit system)
学者数:
9.5W
论文数: 9.9W
被引数: 93
引用论文

引用论文

Spectral and Spatial Classification of Hyperspectral Data Using SVMs and Morphological Profiles
err2008-11-01
err1.0K
PREAI
errFauvel, Mathieu; Benediktsson, Jon Atli; Chanussot, Jocelyn; Sveinsson, Johannes R.
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