Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2022. №2
ContentsFull text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2022.2.2
UDC: 534.6.08
Application the method of renormalization with limitation to acoustic images
A.V. Kokoshkin
Kotelnikov IRE RAS, Fryazino Branch,
141190, Moscow Region, Russian Federation
The paper was received January 10, 2022
Abstract. The paper proposes the use of the method of renormalization with limitation (MRL) for suppressing the speckle noise in acoustic images. The method is tested on various types of acoustic images. The principal possibility of a significant reduction in the speckle noise level is found due to the fact that the MRL renormalizes the spectrum of the sonar image to the universal reference spectrum (URS) model, which is a model of the spectrum of a «good» quality optical image. To increase the overall sharpness, after applying MRL, it is recommended to use post-processing suitable for each specific type of image. It is proposed to estimate the degree of suppression of speckle noise using the standard deviation from the image averaged over the sprite. The study allows us to conclude that the application of MRL to various acoustic images can significantly reduce the speckle noise.
Key words: remote sensing, acoustic images, image processing, speckle noise, method of renormalization with limitation
Financing: The work was performed within the framework of the state assignment of the Ministry of Science and Higher Education of the Russian Federation
Corresponding author: Kokoshkin Alexander Vladimirovich, shvarts65@mail.ru
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For citation:
Kokoshkin A.V. Application the method of renormalization with limitation to acoustic images. Zhurnal radioelektroniki [Journal of Radio Electronics] [online]. 2022. №2. https://doi.org/10.30898/1684-1719.2022.2.2 (In Russian)