CN-122015901-A - Bubble display method and device for heterogeneous navigation

CN122015901ACN 122015901 ACN122015901 ACN 122015901ACN-122015901-A

Abstract

The embodiment of the application provides a bubble display method and device for heterologous navigation. The method comprises the steps of obtaining initial positions of air bubbles to be displayed in a navigation route of standard definition navigation of a second map company when the navigation route of high definition navigation of a first map company is displayed on vehicle-mounted navigation equipment, enabling the navigation route of high definition navigation to be obtained after the navigation route of standard definition navigation is integrated with the navigation route of high definition navigation, determining target road sections corresponding to the air bubbles in the navigation route of high definition navigation by adopting space retrieval and projection matching processing based on the initial positions, determining target lane groups corresponding to the air bubbles in the navigation route of high definition navigation according to the target road sections, determining target display positions of the air bubbles in the navigation route of high definition navigation according to type information of the air bubbles and lane information of the target lane groups, and displaying the air bubbles on the navigation route of high definition navigation based on the target display positions. The method is used for achieving the effect of improving the reliability of navigation information.

Inventors

LU XINGYU
SHI YOUZHEN
Dai Qiangang

Assignees

北京四维图新科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260318

Claims (10)

1. The bubble display method for the heterologous navigation is characterized by being applied to vehicle-mounted navigation equipment, wherein the vehicle-mounted navigation equipment is configured with standard definition navigation of a first graph quotient and high definition navigation of a second graph quotient, and the method comprises the following steps: When a navigation route of high-definition navigation is displayed on the vehicle-mounted navigation equipment, acquiring an initial position of a bubble to be displayed in the navigation route of standard-definition navigation, wherein the navigation route of high-definition navigation is obtained by fusing the navigation route of the standard-definition navigation with the navigation route of high-definition navigation; Based on the initial position, adopting space retrieval and projection matching processing to determine a corresponding target road section of the bubble in the navigation route of the high-definition navigation; according to the target road section, determining a target lane group corresponding to the bubble in the navigation route of the high-definition navigation; determining a target display position of the bubble in the navigation route of the high-definition navigation according to the type information of the bubble and the lane information of the target lane group; and displaying the bubbles on the navigation route of the high-definition navigation based on the target display position.
2. The method of claim 1, wherein the determining, based on the initial position, a target segment corresponding to the bubble in the navigation route of the high-definition navigation using a spatial retrieval and projection matching process, comprises: Space searching is carried out in a preset space index based on the initial position, and a candidate road section corresponding to the bubble in the navigation route of the high-definition navigation is determined, wherein the space index is constructed based on each road section in the high-definition navigation route; determining the projection distance of the candidate road section according to the projection point of the initial position on the candidate road section and the initial position; and determining a candidate road section corresponding to the minimum value of the projection distance as a target road section corresponding to the bubble in the navigation route of the high-definition navigation.
3. The method of claim 2, wherein the spatial index includes a minimum outsourcing rectangle for each road segment in the navigation route of the high-definition navigation, the spatial searching in a preset spatial index based on the initial position, and determining the candidate road segment corresponding to the bubble in the navigation route of the high-definition navigation includes: constructing a search outsourcing rectangle by taking the initial position as a center according to a preset search radius; and searching the space range in the space index based on the search outsourcing rectangle to obtain the candidate road section, wherein the candidate road section is the road section corresponding to the minimum outsourcing rectangle with the intersection with the search outsourcing rectangle.
4. A method according to claim 3, characterized in that the method further comprises: If the minimum outsourcing rectangle with the intersection with the searching outsourcing rectangle is not searched, updating the searching radius according to the preset radius increment, and constructing an updated searching outsourcing rectangle according to the updated searching radius; and based on the updated search outsourcing rectangle, performing space range search in the space index, and searching to obtain the candidate road section.
5. The method of claim 2, wherein the candidate segment has a start point coordinate and an end point coordinate, wherein the determining the projection distance of the candidate segment based on the projection point of the initial position on the candidate segment and the initial position comprises: determining a relative position coefficient according to the starting point coordinates, the ending point coordinates and the initial position of the candidate road section, wherein the relative position coefficient represents the relative position of the initial position on the candidate road section; Determining a projection point of the initial position on the candidate road section according to the relative position coefficient; And obtaining the projection distance of the candidate road section according to the initial position and the distance between the projection points of the initial position on the candidate road section.
6. The method of claim 1, wherein the determining, from the target road segment, a corresponding target lane group of the bubble in the navigation route of the high-definition navigation, comprises: according to the driving direction of the navigation route of the high-definition navigation, determining a candidate lane group from a lane group list associated with the target road section; For each candidate lane group, determining a matching score of the candidate lane group according to the projection point of the initial position on the target road section; and determining a target lane group from the candidate lane groups according to the matching score.
7. The method of claim 6, wherein determining the matching score for the candidate lane group based on the projected point of the initial position on the target road segment comprises: Determining the offset between the projection point of the initial position on the target road section and the center point of the candidate lane group; and determining the matching score of the candidate lane group according to the offset.
8. The method according to any one of claims 1 to 7, wherein the lane information of the target lane group includes a lane left boundary and a lane right boundary, and the determining the target display position of the bubble in the navigation route of the high-definition navigation based on the type information of the bubble and the lane information of the target lane group includes: Projecting the projection points of the initial position on the target road section onto the left boundary and the right boundary of the lane of the target lane group respectively to obtain a left boundary projection point and a right boundary projection point; determining a lane center point of the target lane group according to the left boundary projection point and the right boundary projection point; and determining a target display position from the left boundary projection point, the right boundary projection point and the lane center point according to the type information of the bubble.
9. The bubble display device for the heterologous navigation is characterized in that the device is applied to vehicle navigation equipment, and the vehicle navigation equipment is configured with standard definition navigation of a first graph quotient and high definition navigation of a second graph quotient, and comprises: The vehicle-mounted navigation device comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring an initial position of a bubble to be displayed in a navigation route of standard definition navigation when the navigation route of high definition navigation is displayed on the vehicle-mounted navigation device, wherein the navigation route of high definition navigation is obtained after the navigation route of the standard definition navigation is fused with the navigation route of high definition navigation; The first determining module is used for determining a corresponding target road section of the bubble in the navigation route of the high-definition navigation by adopting space retrieval and projection matching processing based on the initial position; the second determining module is used for determining a corresponding target lane group of the bubble in the navigation route of the high-definition navigation according to the target road section; the third determining module is used for determining a target display position of the bubble in the navigation route of the high-definition navigation according to the type information of the bubble and the lane information of the target lane group; and the display module is used for displaying the bubbles on the navigation route of the high-definition navigation based on the target display position.
10. An electronic device/computer-readable storage medium/computer program product, characterized in that the electronic device comprises a memory, a processor, the memory storing computer-executable instructions, the processor executing the computer-executable instructions stored by the memory, causing the processor to perform the method of any one of claims 1-8; The computer-readable storage medium having stored therein computer-executable instructions which, when executed by a processor, are adapted to carry out the method of any one of claims 1-8; The computer program product comprising a computer program for implementing the method according to any of claims 1-8 when executed by a processor.

Description

Bubble display method and device for heterogeneous navigation Technical Field The application relates to the technical field of navigation, in particular to a bubble display method and device for heterologous navigation. Background In the vehicle navigation equipment, although the self standard definition navigation can meet the basic route planning and navigation requirements, the self standard definition navigation is limited by data precision and detail dimension, lane-level positioning and guiding services cannot be provided, and the vehicle navigation equipment is difficult to adapt to fine driving scenes such as complex intersections, multi-lane driving and the like. The method has the advantages that the method is supplemented by utilizing the heterogeneous high-definition navigation, the advantages of the high-definition navigation in road details, lane division and accurate positioning can be fully exerted, the navigation upgrading from road section level to lane level is realized, the navigation accuracy and practicality are effectively improved, a driver is helped to grasp a driving route more clearly, lane selection errors are avoided, and driving safety and convenience are guaranteed. In the practical application process of the heterologous navigation fusion, as the standard definition navigation and the high definition navigation come from different image providers, the standard definition navigation and the high definition navigation have inherent differences in the aspects of data acquisition standards, road detail labeling and the like, the positions of bubbles (such as traffic lights, electronic eyes and the like) used for prompting key information in the standard definition navigation cannot be aligned with lane-level positioning results of the high definition navigation, so that abnormal bubble rendering and abrupt positions are caused, the visual coordination of a navigation interface is damaged, the judgment of a driver on the position of prompting information is possibly misled, the credibility of navigation information is reduced, and the navigation use experience of a user is seriously influenced. Disclosure of Invention The bubble display method and device for the heterologous navigation provided by the embodiment of the application are used for achieving the effect of improving the reliability of navigation information. In a first aspect, an embodiment of the present application provides a bubble display method for heterologous navigation, where the method is applied to a vehicle navigation device, where the vehicle navigation device is configured with standard definition navigation of a first graph provider and high definition navigation of a second graph provider, and the method includes: When a navigation route of high-definition navigation is displayed on the vehicle-mounted navigation equipment, acquiring an initial position of a bubble to be displayed in the navigation route of standard-definition navigation, wherein the navigation route of high-definition navigation is obtained by fusing the navigation route of the standard-definition navigation with the navigation route of high-definition navigation; Based on the initial position, adopting space retrieval and projection matching processing to determine a corresponding target road section of the bubble in the navigation route of the high-definition navigation; according to the target road section, determining a target lane group corresponding to the bubble in the navigation route of the high-definition navigation; determining a target display position of the bubble in the navigation route of the high-definition navigation according to the type information of the bubble and the lane information of the target lane group; and displaying the bubbles on the navigation route of the high-definition navigation based on the target display position. In a possible implementation manner, the determining, based on the initial position, a target road segment corresponding to the bubble in the navigation route of the high-definition navigation by using spatial retrieval and projection matching processing includes: Space searching is carried out in a preset space index based on the initial position, and a candidate road section corresponding to the bubble in the navigation route of the high-definition navigation is determined, wherein the space index is constructed based on each road section in the high-definition navigation route; determining the projection distance of the candidate road section according to the projection point of the initial position on the candidate road section and the initial position; and determining a candidate road section corresponding to the minimum value of the projection distance as a target road section corresponding to the bubble in the navigation route of the high-definition navigation. In one possible implementation manner, the spatial index includes a minimum outsourcing rectangle of each road section in