Method for checking the plausibility of a trajectory generated on the basis of swarm data for a motor vehicle which is operated in an at least partially assisted manner, computer-readable medium, and assistance system

1 . A method for checking a trajectory defined by at least two points indicated by swarm data for plausibility for a first motor vehicle operated in at least partially assisted manner by way of an assistance system, the method comprising:

receiving the swarm data by way of a swarm data receiving device of the assistance system;

detecting a second motor vehicle in a surrounding area of the first motor vehicle by way of a detection device of the assistance system;

determining a driving trajectory of the second motor vehicle by way of an electronic computing device of the assistance system;

comparing the trajectory defined by at least two points indicated by the swarm data to the driving trajectory of the second motor vehicle by way of the electronic computing device; and

checking the trajectory defined by at least two points indicated by the swarm data for plausibility based on the comparing by way of the electronic computing device;

determining a drivable trajectory for the first motor vehicle based on the trajectory defined by at least two points indicated by the swarm data and the driving trajectory of the second motor vehicle and the comparing;

determining a validity value that describes a length of a valid drivable trajectory for the drivable trajectory for the first motor vehicle; and

outputting the validity value, wherein an at least partially automated operation of the first motor vehicle is performed based on the length of the valid drivable trajectory described by the validity value.

2 . The method according to claim 1 , wherein the detection device includes a camera and/or as a radar sensor and/or as a lidar sensor and/or as an ultrasonic sensor.

3 . The method according to claim 1 , further comprising:

determining that the trajectory defined by at least two points indicated by the swarm data is made plausible in response to determining that a deviation of the trajectory defined by at least two points indicated by the swarm data from the driving trajectory below a preset threshold value.

4 . The method according to claim 3 , wherein a distance threshold value of the trajectory defined by at least two points indicated by the swarm data and the driving trajectory of the second motor vehicle and/or an angle threshold value between the trajectory defined by at least two points indicated by the swarm data and the driving trajectory of the second motor vehicle are preset as the preset threshold value.

5 . The method according to claim 1 , wherein the second motor vehicle is detected as driving in front of the first motor vehicle.

6 . The method according to claim 1 wherein the determining the drivable trajectory of the first motor vehicle includes interpolating between the trajectory defined by at least two points indicated by the swarm data and the driving trajectory of the second motor vehicle.

7 . A non-transitory computer-readable medium storing program code that, when processed by an electronic computing device of a first motor vehicle, causes the electronic computing device to:

receive swarm data;

detect a second motor vehicle in a surrounding area of the first motor vehicle;

determine a driving trajectory of the second motor vehicle;

compare a trajectory of the first motor vehicle defined by at least two points indicated by the swarm data to the driving trajectory of the second motor vehicle; and

check the trajectory defined by at least two points indicated by the swarm data for plausibility based on a result of comparing the trajectory of the first motor vehicle defined by at least two points indicated by the swarm data to the driving trajectory of the second motor vehicle;

determine a drivable trajectory for the first motor vehicle based on the trajectory defined by at least two points indicated by the swarm data and the driving trajectory of the second motor vehicle and the comparing;

determine a validity value that describes a length of a valid drivable trajectory for the drivable trajectory for the first motor vehicle; and

output the validity value, wherein an at least partially automated operation of the first motor vehicle is performed based on the length of the valid drivable trajectory described by the validity value.

8 . An assistance system for checking a trajectory defined by at least two points indicated by swarm data for plausibility for a first motor vehicle operated in at least partially assisted manner, with at least one swarm data receiving device, with a detection device and with an electronic computing device, the assistance system comprising:

at least one processor; and

a computer-readable medium storing program code that, when processed by the at least one processor, causes the assistance system to:

receive swarm data;

detect a second motor vehicle in a surrounding area of the first motor vehicle;

determine a driving trajectory of the second motor vehicle;

compare the trajectory of the first motor vehicle defined by at least two points indicated by the swarm data to the driving trajectory of the second motor vehicle;

check the trajectory defined by at least two points indicated by the swarm data for plausibility based on a result of comparing the trajectory of the first motor vehicle defined by at least two points indicated by the swarm data to the driving trajectory of the second motor vehicle;

determine a drivable trajectory for the first motor vehicle based on the trajectory defined by at least two points indicated by the swarm data and the driving trajectory of the second motor vehicle and the comparing;

determine a validity value that describes a length of a valid drivable trajectory for drivable trajectory for the first motor vehicle; and

output the validity value, wherein an at least partially automated operation of the first motor vehicle is performed based on the length of the valid drivable trajectory described by the validity value.