A robust method for submersible trajectory estimation by video sequence analysis
A robust method for submersible trajectory estimation by video sequence analysis
- Neue Suche nach: Jaca, J.J.
- Neue Suche nach: Aguirre, F.
- Neue Suche nach: Bouches, J.M.
- Neue Suche nach: Jaca, J.J.
- Neue Suche nach: Aguirre, F.
- Neue Suche nach: Bouches, J.M.
This paper describes a system which computes the trajectory of a submersible vehicle from a video sequence. The camera is carried out by the vehicle and the movement is estimated by applying the Generalized Hough Transform (GHT) on successive images where areas, called markers, have been selected. In order to make the estimation more robust, many different markers are chosen on the same image and processed in parallel. A confidence factor, which takes the GHT shape into account, is used for each marker to weight the estimation. A Kalman filter smooths theses estimations and can be used to predict the position of the markers in the following image to decrease the error. The performance of the method was evaluated on two undersea sequences.
Dokumentinformationen
A robust method for submersible trajectory estimation by video sequence analysis
Ein robustes Verfahren zur Schätzung der Bewegungsbahn von Unterwasserfahrzeugen durch eine Analyse von Videobildfolgen
1990
4 Seiten, 4 Bilder, 8 Quellen
Aufsatz (Konferenz)
Englisch
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