Map update data processing method, apparatus, and system

1. A map update data processing apparatus, comprising at least one processor and at least one memory, wherein the at least one memory stores program instructions, and the at least one processor is coupled to the at least one memory to execute the instructions to:

obtain, first information from at least one vehicle terminal in a time window;

determine, based on the first information and second information in a map, first change information and precision information and/or confidence information of the first change information, wherein the first change information indicates a difference between the first information and the second information; and

send, the first change information and the precision information and/or the confidence information to a first vehicle terminal; and

wherein the precision information is error information of the first change information, and the error information is a measurement deviation value of the at least one vehicle terminal which is quantized into a plurality of discrete levels.

2. The apparatus according to claim 1 , wherein the second information comprises one or more of the following parameters:

at least one map element in the map, at least one map element group in the map, at least one map tile in the map, at least one region in the map, and at least one country in the map.

3. The apparatus according to claim 1 , wherein the at least one processor is coupled to the at least one memory to execute the instructions to:

receive, from the first vehicle terminal, result feedback information obtained after the first change information is used by the first vehicle terminal; and

determine, second change information for updating the map based on the result feedback information.

4. The apparatus according to claim 1 , wherein the precision information is a quantity of the at least one vehicle terminal; or

the precision information is a ratio of a quantity of the at least one vehicle terminal to a quantity of all vehicle terminals that pass through a geographical location corresponding to the second information in the time window.

5. The apparatus according to claim 1 , wherein the confidence information is a maximum value or a weighted average value of a confidence level of the first change information.

6. The apparatus according to claim 1 , wherein in response to a quantity of map elements corresponding to the second information being greater than 1 , the confidence information corresponding to the first change information is an average value of confidence levels of all map elements corresponding to the second information.

7. The apparatus according to claim 1 , wherein a transmission delay of the first information is greater than or equal to a preset threshold, the apparatus is a cloud server; and

the at least one processor is coupled to the at least one memory to execute the instructions to:

receive, the first information from the at least one vehicle terminal; or

receive, the first information from the at least one vehicle terminal through a first device.

8. The apparatus according to claim 7 , wherein the at least one processor is coupled to the at least one memory to execute the instructions to:

send, information for requesting the first information to the first device.

9. The apparatus according to claim 1 , wherein a transmission delay of the first information is less than a preset threshold, the apparatus is a second device, wherein the second device comprises one of a base station, a roadside unit device, or another vehicle terminal except the at least one vehicle terminal; and

the at least one processor is coupled to the at least one memory to execute the instructions to:

receive, the first information from the at least one vehicle terminal.

10. The apparatus according to claim 1 , wherein the first information is scrambled by using vehicle identification information, area identification information, or map element identification information; or

the first information is initialized by using the vehicle identification information, the area identification information, or the map element identification information.

11. The apparatus according to claim 1 , wherein a transmission delay of the first information is less than a preset threshold, the apparatus is a cloud server, and

wherein an amount of first information whose transmission delay is less than the preset threshold is less than or equal to an amount of first information whose transmission delay is greater than or equal to the preset threshold.

12. A map update data processing apparatus, comprising at least one processor and at least one memory, wherein the at least one memory stores program instructions, and the at least one processor is coupled to the at least one memory to execute the instructions to:

send, first information to a computing apparatus, wherein the first information does not match corresponding second information in a map stored in a vehicle terminal;

receive, a first change information and precision information and/or confidence information of the first change information from the computing apparatus, wherein the first change information indicates a difference between the first information and the second information;

wherein the precision information is error information of the first change information, and the error information is a measurement deviation value of the vehicle terminal which is quantized into a plurality of discrete levels; and

determine, based on the precision information and/or the confidence information, whether to use the first change information for updating the map.

13. The apparatus according to claim 12 , wherein the second information comprises one or more of the following parameters:

at least one map element in the map, at least one map element group in the map, at least one map tile in the map, at least one region in the map, and at least one country in the map.

14. The apparatus according to claim 12 , wherein the at least one processor is coupled to the at least one memory to execute the instructions to:

send, result feedback information which is obtained after using the first change information, to the computing apparatus.

15. The apparatus according to claim 12 , wherein the precision information is a quantity of vehicle terminals that report the first information in a time window; or

the precision information is a ratio of the quantity of vehicle terminals that report the first information in the time window to a quantity of all vehicle terminals that pass through a geographical location corresponding to the second information in the time window.

16. The apparatus according to claim 12 , wherein the confidence information is a maximum value or a weighted average value of a confidence level of the first change information in a time window.

17. The apparatus according to claim 12 , wherein in response to a quantity of map elements corresponding to the second information being greater than 1 , the confidence information is an average value of confidence levels of all map elements corresponding to the second information.

18. The apparatus according to claim 12 , wherein the first information is scrambled by using vehicle identification information, area identification information, or map element identification information; or

the first information is initialized by using the vehicle identification information, the area identification information, or the map element identification information.

19. The apparatus according to claim 12 , wherein a transmission delay of the first information is greater than or equal to a preset threshold, and the computing apparatus is a cloud server.

20. The apparatus according to claim 12 , wherein a transmission delay of the first information is less than a preset threshold, and the computing apparatus is a second device, wherein the second device comprises one of a base station, a roadside unit device, or another vehicle terminal except the at least one vehicle terminal.