Presentation of an optimal method to increase the quality of underwater imaging

Journal of Radar and Optical Remote Sensing and GIS

مقاله 3، دوره 5، شماره 2، شهریور 2022، صفحه 35-44   

نوع مقاله: مقاله پژوهشی

شناسه دیجیتال (DOI): 10.30495/jrors.2023.1979130.1171

نویسندگان

Abbas Bashiri^{* 1}؛ Hasan HasaniMoghaddam²؛ Adel Tabeshkar³

¹Instructor of Electronics Department of Imam Hossein University

²Remote sensing researcher of Imam Hossein University

³Master of Telecommunications, non-profit higher education institutions of Qom

چکیده

Most underwater intelligent vehicles and marine remote-control vehicles are equipped with optical cameras for underwater imaging. However, due to the properties of water and its impurity, the quality of the images taken by these imaging devices is not good enough, because the water weakens the light, and the deeper the water, the more the intensity of the light will decreases. Since different wavelengths show different behavior in the collision with the water column, processing and study of these wavelengths is very important to obtain the desired image. The spectral signature can be used for underwater applications. In this research, to increase the quality of underwater images, a new method has been introduced to improve image contrast. In this method, first, with structured lighting, different wavelengths are irradiated to the underwater target in a laboratory environment, then underwater images are processed by the proposed algorithm, and finally, a multispectral image is achieved by stacking images with different wavelengths. The results showed the relative superiority of the proposed method over other methods.

کلیدواژه‌ها

Underwater imaging؛ Spectral؛ Underwater target؛ algorithm

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