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- W1779415096 abstract "Stationary high-frequency scanning MSISs (Mechanically Scanned Imaging Sonar) are mainly used to visualize previously known underwater structures and to aid ROVs (Remotely Operated Vehicles) and divers to navigate during underwater inspections and surveys. Their high frequency and ability to draw sonar beam in close to real-time mode allows to track objects situated in their scanning range. ROVs usually play an additional role in visual inspections of underwater structures and sought objects. Equipped with several propellers, ROVs are able to move in any direction specified by its operator. Steering is also supported by basic navigational sensors as compass and depth sensors. Additionally, thanks to an embedded video camera with LED lightning, real-time image can be instantly sent to controller’s console on the shore. The proposed approach allows automation of the process of first localization of the moving object (ROV) in the sonar image, provided that a proper selection of parameters for recording MSIS images is made. In the studies, several tests were conducted of the actual influence under real conditions of sonar signal gain factor, TVG correction and scan speed on the detection process. Different tracking scenarios were run for selected settings. Testing algorithm for object localization was implemented in Matlab environment. Proper selection of recording parameters facilitates separation of the moving object on sonar image. This improves the process of tracking and tracing the moving objects. The study used MS1000 scanning sonar and VideoRay underwater robot explorer to conduct all tests." @default.
- W1779415096 created "2016-06-24" @default.
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- W1779415096 date "2013-01-01" @default.
- W1779415096 modified "2023-09-29" @default.
- W1779415096 title "Analiza doboru parametrów rejestracji obrazów sonaru MS1000 na potrzeby automatycznej detekcji obiektu ruchomego" @default.
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