Multispectral fusion of quasi-images of THz, IR, and microwave sensors using the method of histograms of oriented gradients | Izvestiya vuzov. Fizika. 2025. № 12. DOI: 10.17223/00213411/68/12/11

Multispectral fusion of quasi-images of THz, IR, and microwave sensors using the method of histograms of oriented gradients

In this paper, an approach to solving the problem of multispectral synthesis of quasi-images of THz, IR, and microwave sensors (data channels) to extract informative features from experimental data recorded from subsurface objects is considered. The unified data preprocessing pipeline for each data channel was proposed. The hybrid scheme for scaling heterogeneous data was implemented by extracting gradient maps from quasi-images using the method of histograms of oriented gradients. Further fusion of homogeneous data was carried out by construction of a 3-dimensional manifold using pairwise correlation of calculated gradient maps.

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Keywords

THz spectroscopy, IR spectroscopy, microwave spectroscopy, fusion of heterogeneous data, method of histograms of oriented gradients, machine learning, remote sensing

Authors

Name	Organization	E-mail
Tretyakov Akim K.	Tomsk State University	dr.akim1998@yandex.ru
Makhmanazarov Ramdas M.	Tomsk State University	efemberg11@mail.ru
Vrazhnov Denis A.	Tomsk State University	vda@mail.tsu.ru
Kistenev Yury V.	Tomsk State University	yuk@iao.ru
Shipilov Sergey E.	Tomsk State University	s.shipilov@gmail.com

Всего: 5

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