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Vision-based localization of an underwater robot in a structured environment
Carreras Pérez, Marc; Ridao Rodríguez, Pere; García Campos, Rafael; Nicosevici, Tudor
This paper presents a vision-based localization approach for an underwater robot in a structured environment. The system is based on a coded pattern placed on the bottom of a water tank and an onboard down looking camera. Main features are, absolute and map-based localization, landmark detection and tracking, and real-time computation (12.5 Hz). The proposed system provides three-dimensional position and orientation of the vehicle along with its velocity. Accuracy of the drift-free estimates is very high, allowing them to be used as feedback measures of a velocity-based low-level controller. The paper details the localization algorithm, by showing some graphical results, and the accuracy of the system
Robots mòbils
Vehicles submergibles -- Sistemes de control
Robots submarins
Mobile robots
Submersibles -- Control systems
Underwater robots
Tots els drets reservats

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