CN-121994255-A - Information processing method, map generation method, apparatus, device, and storage medium

Abstract

The application discloses an information processing method, a map generation device, equipment and a storage medium, wherein a driving route from a starting point position of a vehicle to a driving destination is obtained, driving roads corresponding to the driving route are searched in the driving direction of the driving route based on the starting searching position of the vehicle in map data until the accumulated length of the searched driving roads reaches a preset threshold value, road information of selected roads is obtained from the map data, the selected roads comprise the driving roads and associated roads of the driving roads, and the road information of the selected roads is sent to the vehicle to generate a navigation map in the vehicle based on the road information of the selected roads. The application can reduce the requirements of the vehicle on space, bandwidth and network stability in the process of acquiring and storing map data, and avoid the problem that the data is incomplete or can not be used.

Inventors

• JIN GANG

Assignees

• 腾讯科技（深圳）有限公司

Dates

Publication Date

20260508

Application Date

20241101

Claims (15)

1. 1. An information processing method, characterized by comprising: Acquiring a driving route from a starting point position of a vehicle to a driving destination; Searching a driving road corresponding to the driving route along the driving direction of the driving route based on the initial searching position of the vehicle in map data until the accumulated length of the searched driving road reaches a preset threshold value, wherein the initial searching position is the starting position or a position which is updated and determined based on the preset threshold value and the real-time position of the vehicle; acquiring road information of a selected road from the map data, wherein the selected road comprises the driving road and an associated road of the driving road; Road information of the selected road is sent to the vehicle to generate a navigation map in the vehicle based on the road information of the selected road.
2. 2. The information processing method according to claim 1, wherein the searching for the driving road corresponding to the driving route in the driving direction of the driving route based on the initial search position of the vehicle in the map data until the accumulated length of the searched driving roads reaches a preset threshold value includes: determining a starting driving road in the map data based on a starting seek position of the vehicle; searching candidate driving roads connected with the initial driving road along the driving direction of the driving route in the map data; Determining a next driving link of the starting driving link from the candidate driving links based on navigation weights of the candidate driving links, the navigation weights being related to the driving route; And taking the next driving road as the initial driving road, returning to the executing step, and searching candidate driving roads connected with the initial driving road along the driving direction of the driving route in the map data and the follow-up step until the accumulated length of the searched driving roads reaches a preset threshold value.
3. 3. The information processing method according to claim 1, wherein the searching for the driving road corresponding to the driving route in the driving direction of the driving route based on the initial search position of the vehicle in the map data until the found accumulated length of the driving road reaches a preset threshold value, further comprises: Determining node position information of a detection node based on the preset threshold, wherein the detection node is a position corresponding to the preset threshold in the driving road; When the real-time position of the vehicle is matched with the node position information of the detection node, updating the end position of the driving road to the initial searching position, returning to the executing step, searching the driving road corresponding to the driving route along the driving direction of the driving route based on the initial searching position of the vehicle in the map data until the accumulated length of the searched driving roads reaches a preset threshold value, and until the ending condition is met.
4. 4. The information processing method according to claim 1, wherein before the road information of the selected road is acquired from the map data, further comprising: searching for an adjacent road having an adjacent relationship with the driving road in the map data; And taking an incoming road and a subsequent road in the adjacent roads as the associated road of the driving road based on the road direction of the driving road.
5. 5. The information processing method according to any one of claims 1 to 4, wherein searching for a driving road corresponding to the driving route in the driving direction of the driving route based on the initial search position of the vehicle in the map data until the found accumulated length of the driving road reaches a preset threshold value, further comprises: determining navigation instruction information of the driving road based on the position point information of the driving route and the road information of the driving route; And sending the navigation instruction information to the vehicle so that the vehicle can automatically drive according to the navigation instruction information and the navigation map.
6. 6. A map generation method, comprising: determining a starting point position and a driving destination of a vehicle in a driving route based on a query operation of the driving route; Transmitting the starting point position and the driving destination to a server so that the server determines a driving route from the starting point position to the driving destination, searches a driving road corresponding to the driving route along a driving direction of the driving route based on a starting search position of the vehicle until an accumulated length of the searched driving road reaches a preset threshold value, and acquires road information of a selected road from the map data, wherein the starting search position is the starting point position or the determined position is updated based on the preset threshold value and a real-time position of the vehicle, and the road information of the selected road comprises information of the driving road and an associated road of the driving road; And generating a navigation map based on the road information of the selected road sent by the server.
7. 7. The map generation method according to claim 6, wherein the server includes a first server and a second server, and after the start point position and the driving destination are transmitted to the server, and before the navigation map is generated based on the road information of the selected road transmitted from the server, further comprising: Transmitting the starting point position and the driving destination to the first server through an in-vehicle application so that the first server determines the driving route from the starting point position to the driving destination; receiving the driving route returned by the first server through the vehicle-mounted application, and forwarding the driving route to an automatic driving component; And sending the driving route to the second server through the automatic driving component so that the second server searches driving roads corresponding to the driving route along the driving direction of the driving route based on the initial searching position of the vehicle until the accumulated length of the searched driving roads reaches a preset threshold value, and acquiring road information of the selected roads from the map data.
8. 8. The map generation method of claim 6, wherein the method further comprises: Receiving navigation instruction information of the driving road sent by the server; and controlling the vehicle to automatically drive according to the navigation indication information and the navigation map.
9. 9. The map generation method of claim 6, wherein the method further comprises: When the yaw of the vehicle relative to the driving road is detected, the real-time position of the vehicle is used as the starting position to update the navigation map based on the starting position, and an updated navigation map is generated.
10. 10. The map generation method according to any one of claims 6 to 9, wherein generating a navigation map based on the road information of the selected road transmitted from the server includes: Acquiring a real-time position of the vehicle; determining a road to be displayed in the preset range of the real-time position in the selected road; and generating a navigation map based on the road information of the road to be displayed.
11. 11. An information processing apparatus, characterized by comprising: a route acquisition unit configured to acquire a driving route from a start position of the vehicle to a driving destination; The searching unit is used for searching a driving road corresponding to the driving route along the driving direction of the driving route based on the initial searching position of the vehicle in the map data until the accumulated length of the searched driving roads reaches a preset threshold value, wherein the initial searching position is the starting point position or a position which is updated and determined based on the preset threshold value and the real-time position of the vehicle; An information acquisition unit configured to acquire, from the map data, road information of a selected road including the driving road and an associated road of the driving road; An information transmitting unit configured to transmit road information of the selected road to the vehicle to generate a navigation map in the vehicle based on the road information of the selected road.
12. 12. A map generation apparatus, comprising: A query unit configured to determine a start position and a driving destination of a vehicle in a driving route based on a query operation on the driving route; a position sending unit, configured to send the starting point position and the driving destination to a server, so that the server determines a driving route from the starting point position to the driving destination, searches for a driving road corresponding to the driving route along a driving direction of the driving route based on a starting search position of the vehicle until an accumulated length of the found driving road reaches a preset threshold, and obtains road information of a selected road from the map data, where the starting search position is the starting point position or a position determined based on the preset threshold and a real-time position of the vehicle is updated, and the road information of the selected road includes information of a driving road and an associated road of the driving road; and the map generation unit is used for generating a navigation map based on the road information of the selected road sent by the server.
13. 13. An electronic device, comprising a processor and a memory, wherein the memory stores a plurality of instructions, and the processor loads instructions from the memory to perform the steps in the information processing method or the map generation method according to any one of claims 1 to 10.
14. 14. A computer readable storage medium, characterized in that it stores a plurality of instructions adapted to be loaded by a processor to perform the steps of the information processing method or map generation method according to any one of claims 1 to 10.
15. 15. A computer program product comprising a computer program or instructions which, when executed by a processor, implement the steps of the information processing method or map generation method of any of claims 1 to 10.

Description

Information processing method, map generation method, apparatus, device, and storage medium Technical Field The present application relates to the field of computer technologies, and in particular, to an information processing method, a map generating method, an apparatus, a device, and a storage medium. Background In driving scenarios, particularly in the application of autopilot technology, map data is often required to provide accurate location information for the vehicle, as well as to assist the vehicle in real-time navigation and optimal path planning. Because the road environment and traffic conditions often change, the map data often needs to be updated continuously to reflect the latest road condition changes, so as to maintain accuracy. However, map data used in driving scenes is usually very huge, and needs to occupy more storage space and bandwidth, so that not only is higher requirements on hardware configuration of an on-vehicle system, but also a more stable network connection is needed. If the network is unstable or the signal is weak, the download process may be interrupted, resulting in incomplete or unusable data. Disclosure of Invention The embodiment of the application provides an information processing method, a map generation device, equipment and a storage medium, which can reduce the requirements of a vehicle on space, bandwidth and network stability in the process of acquiring and storing map data and avoid the problem that the data is incomplete or cannot be used. The embodiment of the application provides an information processing method, which comprises the steps of obtaining a driving route from a starting position to a driving destination of a vehicle, searching a driving road corresponding to the driving route along the driving direction of the driving route based on a starting searching position of the vehicle in map data until the accumulated length of the searched driving road reaches a preset threshold value, wherein the starting searching position is the starting position or is a position which is updated and determined based on the preset threshold value and a real-time position of the vehicle, obtaining road information of a selected road from the map data, wherein the selected road comprises the driving road and a related road of the driving road, and sending the road information of the selected road to the vehicle so as to generate a navigation map based on the road information of the selected road in the vehicle. The embodiment of the application also provides a map generation method, which comprises the steps of determining a starting point position and a driving destination of a vehicle in a driving route based on query operation of the driving route, sending the starting point position and the driving destination to a server so that the server determines the driving route from the starting point position to the driving destination, searching a driving road corresponding to the driving route along the driving direction of the driving route based on the starting search position of the vehicle until the accumulated length of the searched driving road reaches a preset threshold value, and obtaining road information of a selected road from map data, wherein the starting search position is the starting point position or the determined position is updated based on the preset threshold value and the real-time position of the vehicle, the road information of the selected road comprises information of driving roads and associated roads of the driving roads, and generating a navigation map based on the road information of the selected road sent by the server. The embodiment of the application also provides an information processing device, which comprises a route acquisition unit, a search unit and an information sending unit, wherein the route acquisition unit is used for acquiring a driving route from a starting position to a driving destination of a vehicle, the search unit is used for searching a driving road corresponding to the driving route along the driving direction of the driving route based on a starting search position of the vehicle in map data until the accumulated length of the searched driving road reaches a preset threshold value, the starting search position is the starting position or the determined position is updated based on the preset threshold value and the real-time position of the vehicle, the information acquisition unit is used for acquiring road information of a selected road from the map data, the selected road comprises the driving road and an associated road of the driving road, and the information sending unit is used for sending the road information of the selected road to the vehicle so as to generate a navigation map based on the road information of the selected road in the vehicle. In some embodiments, the searching unit is specifically configured to determine a starting driving road in the map data based on a starting searching position