Granted Patent B2

US 12,405,973 · App. 17/923,202 · Granted Sep 2, 2025

Inventors: Zhangwei Meng (Beijing, CN); Shixi Dong (Beijing, CN); Chaoyu Shi (Beijing, CN); Bingqiao Ma (Beijing, CN)

Assignee: Beijing Baidu Netcom Science Technology Co., Ltd.

G06F16/29G06F16/2365G06F16/2379

Abstract

Claims (56)

1. A map data updating method, performed by an electronic device, comprising:

obtaining update information of first map data, and then obtaining, according to the update information, a mapsheet in the first map data that corresponds to the update information;

deleting, based on a spatial update range of the update information, at least a portion of target data of the mapsheet to obtain first target mapsheet data, the target data being all data within a spatial range of the mapsheet, the first target mapsheet data comprising data in the target data that is within the spatial update range;

updating, based on the first target mapsheet data and the update information, the first map data;

wherein the update information comprises M to-be-updated elements, M being a positive integer, each of the to-be-updated elements comprises a map location that needs to be updated and corresponding update content, and the updating, based on the first target mapsheet data and the update information, the first map data comprises:

performing, based on the M to-be-updated elements, edit processing on the first target mapsheet data to obtain second target mapsheet data;

modifying the target data in accordance with a difference of the second target mapsheet data relative to the first target mapsheet data, to obtain second map data;

wherein, before the performing, based on the M to-be-updated elements, the edit processing on the first target mapsheet data to obtain the second target mapsheet data, the method further comprises:

marking an editable range corresponding to the first target mapsheet data as a first range, wherein the editable range comprises data in the first target mapsheet data that is other than boundary data of the first target mapsheet data;

the performing, based on the M to-be-updated elements, the edit processing on the first target mapsheet data to obtain the second target mapsheet data comprises:

performing, in case that the M to-be-updated elements comprise a first to-be-updated element, edit processing on the first target mapsheet data based on the first to-be-updated element, to obtain the second target mapsheet data, wherein an update location of the first to-be-updated element is within the first range.

2. The map data updating method according to claim 1 , wherein, in case that the M to-be-updated elements further comprise a second to-be-updated element, and an update location of the second to-be-updated element is not within the first range, the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data comprises:

modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data, to obtain third target mapsheet data;

performing, based on the second to-be-updated element, edit processing on the third target mapsheet data to obtain the second map data.

3. The map data updating method according to claim 1 , wherein, before the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data, the method further comprises:

checking correctness of the second target mapsheet data, to obtain a check result;

the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data comprises:

modifying, in case that the check result indicates that the second target mapsheet data is correct, the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data, to obtain the second map data.

4. An electronic device, comprising:

at least one processor; and

a memory communicatively connected to the at least one processor; wherein, the memory stores therein an instruction configured to be executed by the at least one processor, and the at least one processor is configured to execute the instruction, to implement following steps:

obtaining update information of first map data, and then obtaining, according to the update information, a mapsheet in the first map data that corresponds to the update information;

deleting, based on a spatial update range of the update information, at least a portion of target data of the mapsheet to obtain first target mapsheet data, the target data being all data within a spatial range of the mapsheet, the first target mapsheet data comprising data in the target data that is within the spatial update range;

updating, based on the first target mapsheet data and the update information, the first map data;

wherein the update information comprises M to-be-updated elements, M being a positive integer, each of the to-be-updated elements comprises a map location that needs to be updated and corresponding update content, and the updating, based on the first target mapsheet data and the update information, the first map data comprises:

performing, based on the M to-be-updated elements, edit processing on the first target mapsheet data to obtain second target mapsheet data;

modifying the target data in accordance with a difference of the second target mapsheet data relative to the first target mapsheet data, to obtain second map data;

wherein, before the performing, based on the M to-be-updated elements, the edit processing on the first target mapsheet data to obtain the second target mapsheet data, the at least one processor is configured to execute the instruction to implement:

marking an editable range corresponding to the first target mapsheet data as a first range, wherein the editable range comprises data in the first target mapsheet data that is other than boundary data of the first target mapsheet data;

the performing, based on the M to-be-updated elements, the edit processing on the first target mapsheet data to obtain the second target mapsheet data comprises:

performing, in case that the M to-be-updated elements comprise a first to-be-updated element, edit processing on the first target mapsheet data based on the first to-be-updated element, to obtain the second target mapsheet data, wherein an update location of the first to-be-updated element is within the first range.

5. The electronic device according to claim 4 , wherein, in case that the M to-be-updated elements further comprise a second to-be-updated element, and an update location of the second to-be-updated element is not within the first range, the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data comprises:

modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data, to obtain third target mapsheet data;

performing, based on the second to-be-updated element, edit processing on the third target mapsheet data to obtain the second map data.

6. The electronic device according to claim 4 , wherein, before the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data, the at least one processor is configured to execute the instruction to implement:

checking correctness of the second target mapsheet data, to obtain a check result;

the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data comprises:

modifying, in case that the check result indicates that the second target mapsheet data is correct, the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data, to obtain the second map data.

7. A non-transitory computer readable storage medium, storing therein a computer instruction, wherein the computer instruction is configured to be executed by a computer, to implement following steps:

obtaining update information of first map data, and then obtaining, according to the update information, a mapsheet in the first map data that corresponds to the update information;

deleting, based on a spatial update range of the update information, at least a portion of target data of the mapsheet to obtain first target mapsheet data, the target data being all data within a spatial range of the mapsheet, the first target mapsheet data comprising data in the target data that is within the spatial update range;

updating, based on the first target mapsheet data and the update information, the first map data;

wherein the update information comprises M to-be-updated elements, M being a positive integer, each of the to-be-updated elements comprises a map location that needs to be updated and corresponding update content, and the updating, based on the first target mapsheet data and the update information, the first map data comprises:

performing, based on the M to-be-updated elements, edit processing on the first target mapsheet data to obtain second target mapsheet data;

modifying the target data in accordance with a difference of the second target mapsheet data relative to the first target mapsheet data, to obtain second map data;

wherein, before the performing, based on the M to-be-updated elements, the edit processing on the first target mapsheet data to obtain the second target mapsheet data, the computer instruction is configured to be executed by the computer to implement:

marking an editable range corresponding to the first target mapsheet data as a first range, wherein the editable range comprises data in the first target mapsheet data that is other than boundary data of the first target mapsheet data;

the performing, based on the M to-be-updated elements, the edit processing on the first target mapsheet data to obtain the second target mapsheet data comprises:

performing, in case that the M to-be-updated elements comprise a first to-be-updated element, edit processing on the first target mapsheet data based on the first to-be-updated element, to obtain the second target mapsheet data, wherein an update location of the first to-be-updated element is within the first range.

8. The non-transitory computer readable storage medium according to claim 7 , wherein, in case that the M to-be-updated elements further comprise a second to-be-updated element, and an update location of the second to-be-updated element is not within the first range, the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data comprises:

modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data, to obtain third target mapsheet data;

performing, based on the second to-be-updated element, edit processing on the third target mapsheet data to obtain the second map data.

9. The non-transitory computer readable storage medium according to claim 7 , wherein, before the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data, the computer instruction is configured to be executed by the computer to implement:

checking correctness of the second target mapsheet data, to obtain a check result;

the modifying the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data to obtain the second map data comprises:

modifying, in case that the check result indicates that the second target mapsheet data is correct, the target data in accordance with the difference of the second target mapsheet data relative to the first target mapsheet data, to obtain the second map data.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (55)