Application of spectral and spatial processing methods to sonar images
| Autor: | A. V. Kokoshkin, E. P. Novichikhin, Ilia V. Smolyaninov |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Computer Networks and Communications
business.industry Computer science Materials Science (miscellaneous) Sonar Electronic Optical and Magnetic Materials Processing methods Computer Science::Graphics Hardware and Architecture Computer Science::Computer Vision and Pattern Recognition Computer vision Artificial intelligence business Information Systems |
| Zdroj: | Radioelectronics. Nanosystems. Information Technologies.. 13:377-382 |
| ISSN: | 2414-1267 2218-3000 |
| DOI: | 10.17725/rensit.2021.13.377 |
| Popis: | The paper proposes the use of the method of renormalization with limitation (MRL) for suppressing the speckle noise of images obtained using sonar. The method is tested on real images obtained by the interferometric side-view sonar. 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 grayscale image. To increase the overall sharpness of the image, after applying the MRL, it is proposed to use spatial brightness transformations. The study allows us to conclude that the application of MRL to sonar images can significantly reduce speckle noise. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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