Abstract
Due to the high dimensionality and redundancy of hyperspectral images, an important step in analyzing such images is to reduce the dimensionality. In this paper, we propose and study the dimensionality reduction technique, which is based on the approximation of spectral angle mapper (SAM) measures by Euclidean distances. The key feature of the proposed method is the integration of spatial information into the dissimilarity measure. The experiments performed on the open hyperspectral datasets showed that the developed method can be used in the analysis of hyperspectral images.
The reported study was funded by RFBR according to the research project no. 18-07-01312-a.
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Myasnikov, E. (2018). Embedding Spatial Context into Spectral Angle Based Nonlinear Mapping for Hyperspectral Image Analysis. In: Chmielewski, L., Kozera, R., Orłowski, A., Wojciechowski, K., Bruckstein, A., Petkov, N. (eds) Computer Vision and Graphics. ICCVG 2018. Lecture Notes in Computer Science(), vol 11114. Springer, Cham. https://doi.org/10.1007/978-3-030-00692-1_23
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