Intensity Correction of Side-Scan Sonar Images

Authors Antoni Burguera Burguera | Gabriel Oliver Codina
In Proceedings of the 19th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2014), Barcelona, 2014.

This paper presents a new method to remove the effects of uneven ensonification in Side-Scan Sonar (SSS) acoustic images, facilitating their use in underwater robotics. A Lambertian model is used for the sonar scattering process, relating the received echo with the ensonification intensity, the sea bed reflectivity and the incidence angle. As for the ensonification intensity, a sensitivity pattern model is adapted to SSS sensors. By means of these models, SSS imagery  is significantly improved.


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