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Formation of an informative index for recognizing specified objects in hyperspectral data
R.A. Paringer 1,2, A.V. Mukhin 1, A.V. Kupriyanov 1,2

1 Samara National Research University, 443086, Samara, Russia, Moskovskoye Shosse 34,

2 IPSI RAS – Branch of the FSRC "Crystallography and Photonics" RAS,
443001, Samara, Russia, Molodogvardeyskaya 151

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DOI: 10.18287/2412-6179-CO-930

Pages: 873-878.

Full text of article: Russian language.

Abstract:
The paper is about the development of an approach which able to create rules for distinguish-ing between specified objects of hyperspectral data using a small number of observations. Such an approach would contribute to the development of methods and algorithms for the operational analysis of hyperspectral data. These methods can be used for hyperspectral data preprocessing and labeling. Implementation of the proposed approach are using a technology that harnesses both discriminative criteria and the general formulas of spectral indexes. In implementing the proposed technology, the index was defined with normalized difference formula. The Informativeness was estimated using separability criteria of discriminative analysis. The results show that the implemented algorithm can recognize areas of hyperspectral data with different vegetation. The index formed by the algorithm is similar to Normalized Difference Vegetation Index (NDVI). The proposed technology is the generalization of the approach of forming recognition rules using a small number of features. It has been shown that technology can form informative indexes in specified tasks of hyperspectral data analysis.

Keywords:
classification, hyperspectral data, NDVI, discriminant analysis.

Citation:
Paringer RA, Mukhin AV, Kupriyanov AV. Formation of an informative index for recognizing specified objects in hyperspectral data. Computer Optics 2021; 45(6): 873-878. DOI: 10.18287/2412-6179-CO-930.

Acknowledgements:
The results of the study were obtained as part of the state program of the Ministry of Education and Science of the Russian Federation to Samara University research laboratory #602 "Photonics for Smart House and Smart City" (experiments), partially funded by project no. 0777-2020-0017 (software development and technology), and partially funded by the Russian Foundation for Basic Research under project # 20-51-05008 (theoretical research).

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