Host vehicle position confidence degree calculation device

1. A host vehicle position confidence degree calculation device comprising:

a memory that stores position information of one or more real world objects in map; and

a processor configured to:

calculate a reference confidence degree of an estimated position of a host vehicle at a candidate passing position of the host vehicle that is based on the position information of the one or more real world objects in the map;

acquire shield information on a shield around the host vehicle based on a result of detection performed by a vehicle-mounted sensor of the host vehicle;

calculate a shielding influence degree at the candidate passing position based on the shield information; and

calculate a confidence degree of the estimated position of the host vehicle at the candidate passing position based on the reference confidence degree and the shielding influence degree.

2. The host vehicle position confidence degree calculation device according to claim 1 , wherein the processor is further configured to calculate the shielding influence degree based on a control content set in advance and the shield information if the host vehicle is performing a vehicle control according to the control content.

3. The host vehicle position confidence degree calculation device according to claim 2 , wherein the processor is further configured to:

acquire road environment information at the candidate passing position;

calculate a road environment influence degree at the candidate passing position based on the road environment information; and

calculate the confidence degree of the estimated position of the host vehicle at the candidate passing position based on the reference confidence degree, the shielding influence degree, and the road environment influence degree.

4. The host vehicle position confidence degree calculation device according to claim 3 , wherein the processor is further configured to: set the candidate passing position on a target route of the host vehicle.

5. The host vehicle position confidence degree calculation device according to claim 3 , wherein the road environment information includes one or more of: traffic information, road construction information, weather information, or object deterioration information.

6. The host vehicle position confidence degree calculation device according to claim 2 , wherein the processor is further configured to: set the candidate passing position on a target route of the host vehicle.

7. The host vehicle position confidence degree calculation device according to claim 1 , wherein the processor is further configured to:

acquire road environment information at the candidate passing position;

calculate a road environment influence degree at the candidate passing position based on the road environment information;

calculate the confidence degree of the estimated position of the host vehicle at the candidate passing position based on the reference confidence degree, the shielding influence degree, and the road environment influence degree.

8. The host vehicle position confidence degree calculation device according to claim 7 , wherein the processor is further configured to: set the candidate passing position on a target route of the host vehicle.

9. The host vehicle position confidence degree calculation device according to claim 7 , wherein the road environment information includes one or more of: traffic information, road construction information, weather information, or object deterioration information.

10. The host vehicle position confidence degree calculation device according to claim 1 , wherein the processor is further configured to: set the candidate passing position on a target route of the host vehicle.

11. A host vehicle position confidence degree calculation device comprising:

a memory that stores position information of one or more real world objects in a map; and

a processor configured to:

calculate a reference confidence degree of an estimated position of a host vehicle at a candidate passing position of the host vehicle based on the position information of the one or more real world objects in the map;

acquire road environment information at the candidate passing position, wherein the road environment information includes one or more of: traffic information, road construction information, weather information, or object deterioration information;

calculate a road environment influence degree at the candidate passing position based on the road environment information; and

calculate a confidence degree of the estimated position of the host vehicle at the candidate passing position based on the reference confidence degree and the road environment influence degree.

12. The host vehicle position confidence degree calculation device according to claim 11 , wherein the processor is further configured to: set the candidate passing position on a target route of the host vehicle.

13. The host vehicle position confidence degree calculation device according to claim 11 , wherein the processor is further configured to: acquire an actual measured position of the host vehicle on the map based on actual measured position information of the host vehicle measured by a global positioning system (GPS) receiver.

14. The host vehicle position confidence degree calculation device according to claim 11 , wherein the processor is further configured to: calculate the reference confidence degree of the estimated position of the host vehicle at the candidate passing position of the host vehicle based on a number of the one or more real world objects included in a sensor detection range of the host vehicle when the host vehicle reaches the candidate passing position.