METHOD FOR SELECTING A RESTRICTED OR EMPTY SET OF HYPOTHESES OF POSSIBLE POSITIONS OF A VEHICLE

• Main Authors: BONNIFAIT, Philippe, IBANEZ-GUZMAN, Javier, LI, Franck
• Format: Patent
• Language: English; French; German
• Published: 06.01.2021
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; CONTROLLING; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; GYROSCOPIC INSTRUMENTS; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; REGULATING; SURVEYING; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; TESTING

A method for selecting a restricted or empty set of hypotheses of possible positions of a vehicle from among a plurality of hypotheses includes acquiring a geolocated position of the vehicle by a geolocation system, acquiring a plurality of hypotheses of possible positions of the vehicle, determining a covariance of the geolocated position of the vehicle and a covariance of each acquired hypothesis, calculating, for each acquired hypothesis, a Mahalanobis distance as a function of the covariance of the geolocated position of the vehicle and of the covariance of the hypothesis, and selecting a restricted or empty set of hypotheses from among the acquired hypotheses, as a function of each calculated Mahalanobis distance.