Hyperspectral feature mapping classification based on mathematical morphology

Chang Liu; Junwei Li; Guangping Wang; Jingli Wu

doi:10.1117/12.2268431

8 March 2017 Hyperspectral feature mapping classification based on mathematical morphology

Chang Liu, Junwei Li, Guangping Wang, Jingli Wu

Proceedings Volume 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016; 102552A (2017) https://doi.org/10.1117/12.2268431
Event: Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 2016, Jinhua, Suzhou, Chengdu, Xi'an, Wuxi, China

Abstract

This paper proposed a hyperspectral feature mapping classification algorithm based on mathematical morphology. Without the priori information such as spectral library etc., the spectral and spatial information can be used to realize the hyperspectral feature mapping classification. The mathematical morphological erosion and dilation operations are performed respectively to extract endmembers. The spectral feature mapping algorithm is used to carry on hyperspectral image classification. The hyperspectral image collected by AVIRIS is applied to evaluate the proposed algorithm. The proposed algorithm is compared with minimum Euclidean distance mapping algorithm, minimum Mahalanobis distance mapping algorithm, SAM algorithm and binary encoding mapping algorithm. From the results of the experiments, it is illuminated that the proposed algorithm’s performance is better than that of the other algorithms under the same condition and has higher classification accuracy.

Citation Download Citation

Chang Liu, Junwei Li, Guangping Wang, and Jingli Wu "Hyperspectral feature mapping classification based on mathematical morphology", Proc. SPIE 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 102552A (8 March 2017); https://doi.org/10.1117/12.2268431

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KEYWORDS

Associative arrays

Mathematical morphology

Hyperspectral imaging

Image classification

Library classification systems

Binary data

Computer programming

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