Vision-aided system and method for guiding a vehicle

G - Physics – 01 – C

Patent

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G01C 21/28 (2006.01)

Patent

CA 2592715

A method and system for guiding a vehicle comprises a location determining receiver (28) for collecting location data for the vehicle. A vision module (22) collects vision data for the vehicle. A location quality estimator (24) estimates the location quality data for the location data during an evaluation time window. A vision module (22) estimates vision quality data for the vision data during the evaluation time window. A supervisor module (10) selects a mixing ratio for the vision data and location data (or error signals associated therewith) based on the quality data.

L'invention concerne un procédé et un système pour guider un véhicule. Le procédé comporte les étapes suivantes: un récepteur (28) servant à déterminer la position collecte des données de vision associées au véhicule; un module vision (22) collecte des données de vision associées au véhicule; un dispositif d'estimation (24) de qualité de position estime des données de qualité concernant les données de position pendant une fenêtre de temps d'évaluation; le module vision (22) estime des données de qualité de vision concernant les données de vision pendant la fenêtre de temps d'évaluation; un module supervision (10) sélectionne un rapport de mélange concernant les données de vision et les données de position (ou des signaux d'erreur associés) sur la base des données de qualité.

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