CN115376339A - Traffic early warning method and system - Google Patents
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- CN115376339A CN115376339A CN202211288513.8A CN202211288513A CN115376339A CN 115376339 A CN115376339 A CN 115376339A CN 202211288513 A CN202211288513 A CN 202211288513A CN 115376339 A CN115376339 A CN 115376339A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012790 confirmation Methods 0.000 claims abstract description 29
- 230000002159 abnormal effect Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 66
- 230000005856 abnormality Effects 0.000 claims description 4
- 230000002547 anomalous effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/091—Traffic information broadcasting
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/056—Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel
Abstract
The application discloses a traffic early warning method and system, and belongs to the technical field of traffic data processing. The method comprises the steps of dividing a road into a plurality of road sections according to coverage; carrying out group configuration on the road sections to acquire group information; outputting confirmation information according to the network access request information when the vehicle is positioned in a certain road section, wherein the confirmation information comprises group information distributed by the vehicle in the current road section; generating alarm information according to the abnormal information of the vehicle, and generating a preset alarm area in a direction opposite to the driving direction of the vehicle by using a road section where the vehicle is located when the abnormal information is generated; group information of a corresponding road segment located within a predetermined warning area is determined, and warning information is transmitted to vehicles assigned to the group information. The method and the device can report the group to which the current road section and the future road section possibly enter belong, send the early warning information to the group member corresponding to the road section, effectively improve the information forwarding speed and reduce the load of the server, and avoid the situation that the user who is not in the accident area receives the warning information.
Description
Technical Field
The application belongs to the technical field of traffic data processing, and particularly relates to a traffic early warning method and system.
Background
A Traffic Information center (Traffic Information center) in the related art can collect Traffic data. However, in order to effectively transmit the traffic data to the relevant driving vehicles, a system must continuously acquire and track the positions of the driving vehicles, so that the relevant vehicles can be timely notified when an accident occurs. To achieve this effect, systems with considerable computing power must be provided. When accident information is sent in a group mode, vehicles in two directions and different lanes cannot be distinguished in the current communication mode based on the mobile communication network, because the two-way lanes of the road are usually in the same cellular network, an accident occurs in a certain direction, and if the accident information of the road section is sent in a group mode, the trouble is caused to users who are not in the direction of the accident lane.
Disclosure of Invention
The purpose of the invention is as follows: the application provides a traffic early warning method, aiming at solving the technical problem that vehicles in two-way different lanes cannot be distinguished in the communication mode in the prior art; another object of the present application is to provide a traffic forewarning system.
The technical scheme is as follows: the embodiment of the application provides a traffic early warning method, which comprises the following steps:
dividing the road into a plurality of road sections according to the coverage area;
carrying out group configuration on the road sections to acquire group information;
outputting confirmation information according to the network access request information when the vehicle is positioned in a certain road section, wherein the confirmation information comprises group information distributed by the vehicle in the current road section;
generating alarm information according to the abnormal information of the vehicle, and generating a preset alarm area in a direction opposite to the driving direction of the vehicle by using a road section where the vehicle is located when the abnormal information is generated;
and determining group information of a corresponding road section in the preset alarm area, and sending the alarm information to the vehicle assigned to the group information.
In some embodiments, the segments include any one or combination of main road segments, main road to branch road segments, branch road to main road segments.
In some embodiments, the configuring the group of the road segments to obtain the group information further includes:
when the vehicle is positioned on the main road section, configuring the section where the current vehicle is positioned and the previous section into a group; and/or
When the vehicle is located on a road to branch road section or a road to road section or a mixed road section, configuring the main road and all the branch roads into a group;
the group information is updated in real time along with the direction of the vehicle advancing.
In some embodiments, before dividing the road into a plurality of road segments according to the coverage, further comprising:
acquiring the coverage range by means of a detection module, wherein the detection module covers the unidirectional traveling direction of the vehicle, the detection module is configured with ID information, and the detection module corresponds to the road sections one by one so that the road sections are distinguished by the ID information.
In some embodiments, the detection module is further configured to acquire a running speed of the vehicle and output the abnormality information according to the running speed; when the running speed is positive, the running speed is far away from the detection module, and when the running speed is negative, the running speed is close to the detection module.
In some embodiments, before outputting the confirmation information according to the network access request information when the vehicle is located in a certain road segment, the method further includes:
generating the network access request information by means of a vehicle-mounted module, wherein the network access request information comprises a user ID of the vehicle-mounted module, and vehicles containing the vehicle-mounted module are distinguished through the user ID.
In some embodiments, the exception information comprises:
the speed value of a single vehicle is reduced greatly; or
The speed values of a plurality of vehicles are the same and are lower than a target threshold value; or
The speed value of a single said vehicle is anomalous both positively and negatively.
In some embodiments, the present application further provides a traffic warning system comprising:
the system comprises a configuration output module, a network access request module and a management module, wherein the configuration output module is used for dividing a road into a plurality of road sections according to a coverage area, then carrying out group configuration on the road sections to obtain group information, and outputting confirmation information according to network access request information when a vehicle is positioned on a certain road section, wherein the confirmation information comprises the group information distributed by the vehicle on the current road section;
the early warning module generates warning information according to the abnormal information of the vehicle and generates a preset warning area in a direction opposite to the driving direction of the vehicle on a road section where the vehicle is located when the abnormal information is generated;
the determining module is used for determining group information of a corresponding road section in the preset alarm area and sending the alarm information to the vehicle assigned to the group information.
In some embodiments, further comprising:
the detection module is in signal connection with the configuration output module;
the detection module is configured to acquire the coverage range, the detection module covers a unidirectional traveling direction of a vehicle, the detection module is configured with ID information, and the detection module corresponds to the road segments one by one so that the road segments are distinguished by the ID information;
the detection module is further configured to obtain a running speed of the vehicle, wherein the running speed is positive and indicates that the vehicle is far away from the detection module, and the running speed is negative and indicates that the vehicle is close to the detection module.
In some embodiments, further comprising:
the vehicle-mounted module is in signal connection with the configuration output module through the detection module;
the vehicle-mounted module is configured to generate the network access request information, wherein the network access request information comprises a user ID of the vehicle-mounted module, and vehicles containing the vehicle-mounted module are distinguished through the user ID; the configuration output module sends confirmation information to the vehicle-mounted module through the detection module so as to establish the relationship between the vehicle and the road section.
Has the beneficial effects that: compared with the prior art, the traffic early warning method provided by the embodiment of the application comprises the following steps: dividing the road into a plurality of road sections according to the coverage area; carrying out group configuration on the road sections to acquire group information; outputting confirmation information according to the network access request information when the vehicle is positioned in a certain road section, wherein the confirmation information comprises group information distributed by the vehicle in the current road section; generating alarm information according to the abnormal information of the vehicle, and generating a preset alarm area in a direction opposite to the driving direction of the vehicle according to a road section where the vehicle is located when the abnormal information is generated; group information of a corresponding road segment located within a predetermined warning area is determined, and warning information is transmitted to a vehicle assigned to the group information. The method can report the current road section and the group to which the road section possibly enters in the future belongs, and can effectively improve the information forwarding speed and reduce the load of the server as long as the early warning information is sent to the group members corresponding to the road section, and meanwhile, the trouble caused by the fact that users not in an accident area receive the alarm information can be avoided.
It can be understood that, compared with the prior art, the traffic early warning system provided in the embodiment of the present application may have all technical features and beneficial effects of the traffic early warning method described above, and details are not described herein again.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a traffic early warning method provided in an embodiment of the present application;
fig. 2 is a block diagram of a traffic early warning system provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a main road segment provided by an embodiment of the present application;
fig. 4 is a schematic diagram of a main road to branch road segment provided by an embodiment of the present application;
FIG. 5 is a schematic diagram of a branch-to-main road segment provided by an embodiment of the present application;
fig. 6 is a schematic view of an application scenario of a traffic early warning system provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a detection module provided in an embodiment of the present application;
FIG. 8 is a schematic structural diagram of an on-board module provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is noted that the terms "first", "second", and the like are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance.
Referring to fig. 1, a traffic warning method is provided, which includes:
s10: dividing the road into a plurality of road sections according to the coverage area;
s11: carrying out group configuration on the road sections to acquire group information;
s12: outputting confirmation information according to the network access request information when the vehicle is positioned in a certain road section, wherein the confirmation information comprises group information distributed by the vehicle in the current road section;
s13: generating alarm information according to the abnormal information of the vehicle, and generating a preset alarm area in a direction opposite to the driving direction of the vehicle by using a road section where the vehicle is located when the abnormal information is generated;
s14: group information of a corresponding road segment located within a predetermined warning area is determined, and warning information is transmitted to vehicles assigned to the group information.
In some embodiments, the road segments in step S10 include any one or combination of road segments, road to road segments, and road to road segments.
In some embodiments, configuring the road segments into groups and obtaining group information further includes: when the vehicle is positioned on the main road section, configuring the section where the current vehicle is positioned and the previous section into a group; and/or when the vehicle is located on a road to branch road section or a road to road section or a mixed road section, configuring the main road and all the branch roads into a group; the group information is updated in real time along with the direction of the vehicle advancing.
In some embodiments, before dividing the road into a plurality of road segments according to the coverage, further comprising: the coverage range is acquired by means of a detection module, the detection module covers the unidirectional traveling direction of the vehicle, the detection module is configured with ID information, and the detection module corresponds to the road sections one by one, so that the road sections are distinguished through the ID information.
In some embodiments, the detection module is further configured to acquire a running speed of the vehicle and output the abnormality information according to the running speed; when the running speed is positive, the distance from the detection module is indicated, and when the running speed is negative, the approach to the detection module is indicated.
In some embodiments, before outputting the confirmation information according to the network access request information when the vehicle is located in a certain road segment, the method further includes: generating network access request information by means of the vehicle-mounted module, wherein the network access request information comprises a user ID of the vehicle-mounted module, and vehicles containing the vehicle-mounted module are distinguished through the user ID.
In some embodiments, the exception information includes: the speed value of the individual vehicle is drastically reduced; or the speed values of the plurality of vehicles are the same and are lower than the target threshold value; or a positive or negative anomaly in the speed value of a single vehicle.
In some embodiments, when a single vehicle is severely slowed, a hard braking condition is indicated; when the speed values of a plurality of vehicles are basically the same and are lower than a target threshold (such as 60 km/h), indicating that a traffic jam condition exists; specifically, the detection module can identify the speed information of a plurality of vehicles, and when the speeds in the history record of a certain detection module are positive values and negative values of the speeds are suddenly collected, the vehicle is indicated to run backwards.
In some embodiments, referring to fig. 2, there is provided a traffic warning system comprising:
the configuration output module is used for dividing the road into a plurality of road sections according to the coverage area, then carrying out group configuration on the road sections to obtain group information, and outputting confirmation information according to the network access request information when the vehicle is positioned in a certain road section, wherein the confirmation information comprises the group information distributed by the vehicle on the current road section;
the early warning module generates warning information according to the abnormal information of the vehicle and generates a preset warning area in a direction opposite to the driving direction of the vehicle from a road section where the vehicle is located when the abnormal information is generated;
and the determining module is used for determining the group information of the corresponding road section in the preset alarm area and sending alarm information to the vehicle assigned with the group information.
In some embodiments, the traffic warning system further comprises: the detection module is in signal connection with the configuration output module; the detection module is configured to acquire a coverage range, covers a unidirectional traveling direction of the vehicle, is configured with ID information, and corresponds to the road sections one by one so that the road sections are distinguished by the ID information; the detection module is further configured to obtain a running speed of the vehicle, wherein the running speed is positive to indicate that the vehicle is far away from the detection module, and the running speed is negative to indicate that the vehicle is close to the detection module.
In some embodiments, referring to fig. 7, the detection module comprises a wireless communication module, a radar module, and a processor in signal connection with the wireless communication module and the radar module, respectively, and the radar module is configured to obtain the vehicle speed.
In some embodiments, the traffic warning system further comprises: the vehicle-mounted module is in signal connection with the configuration output module through the detection module; the vehicle-mounted module is configured to generate network access request information, wherein the network access request information comprises a user ID of the vehicle-mounted module, and vehicles containing the vehicle-mounted module are distinguished through the user ID; the configuration output module sends confirmation information to the vehicle-mounted module through the detection module so as to establish the corresponding relation between the vehicle and the road section.
In some embodiments, referring to fig. 8, the on-board module includes a sensor, a signal processing module, and a wireless communication module, the signal processing module being in signal connection with the sensor and the wireless communication module, respectively.
In some embodiments, fig. 6 is taken as an example to specifically describe the warning method of the present embodiment. Referring to fig. 6, each detection module covers a specific lane area range as shown by the dotted line. Each detection module comprises a wireless communication module and a radar module, is positioned on the portal frame or on the roadside and covers the unidirectional advancing direction. The radar module can acquire the speed of the vehicle, and when the speed is positive, the vehicle is far away from the radar module, and when the speed is negative, the vehicle is close to the radar module.
In some embodiments, the configuration output module, the early warning module, and the determination module of the traffic early warning system together form a server, and the operation process of the server specifically includes:
and a preprocessing step, dividing the road into a plurality of different road sections on the server according to the coverage range of the detection module, and establishing a digital map. And configuring corresponding ID for each detection module, and storing the information in the detection module. In this manner, each road segment can be distinguished by a detection module ID, and a series of detection module IDs can indicate the sequence in which vehicles pass.
And a network access step, when the automobile comprising the vehicle-mounted module enters a certain road section, generating network access request information by a processor of the vehicle-mounted module, and sending the network access request information to a server through a detection module. The network access request information contains a User ID (UID) of the in-vehicle module for identifying each user. The server responds to the network access request information to generate confirmation information, and the detection module sends the road section information and the confirmation information corresponding to the road section to the vehicle-mounted module, so that the server establishes the corresponding relation between the corresponding vehicle and the road section. Wherein the confirmation information includes group information assigned to the current vehicle.
In some embodiments, referring to fig. 3, when the front party has no branch, the road segment where the current vehicle is located and the previous road segment are configured into a group. If the current vehicle is on the road segment 1, the group 1 is configured as the road segment 1+ the road segment 2, and the group 2 is configured as the road segment 2+ the road segment 3. The group information included in the confirmation information indicates that the current vehicle belongs to the group i. The group information is updated in real time as the vehicle travels in the direction. For example, when the vehicle travels on the road segment 1, the confirmation information received by the vehicle includes the group 1, when the vehicle travels on the road segment 2, the confirmation information is updated to the group 1+ the group 2, when the vehicle travels on the road segment 3, the confirmation information is updated to the group 2+ the group 3, and so on.
In some embodiments, referring to FIG. 4, when a branch is encountered then the following is done: the server positions the current position of the vehicle (which can be determined by the ID of the detection unit) according to the digital map and judges the road section which the vehicle is likely to enter, so that a vehicle-mounted module is not required to acquire GPS information and report the GPS information, time delay is reduced, and communication efficiency is improved. When the vehicle enters the road section 1, the server can not only confirm that the vehicle is currently at the road section 1 according to the network access request information, but also judge that the road sections which the vehicle is likely to travel next are the road sections 2 and 3, so the server simultaneously associates the vehicle with the road sections 1, 2 and 3 and sets the vehicle as the group i. When the vehicle selects one of the legs, such as passing leg 4, or leg 5, the server updates the group information to group i +1, thereby returning to the step when there is no leg ahead. It should be noted that the above arrangement is only a part of the road network, and for the whole road network, each path may be distinguished by the ID of the road segment or the ID of the detection module.
And in the early warning step, if the detection module detects abnormal information, warning information is generated through a server, and the server generates a preset warning area in the direction opposite to the driving direction according to the position of the road section where the detection module is located. And the alarm area sends alarm information to the group matched with the group. For example, if an accident occurs in the road segment 3, the generated alarm area is the road segment 2+ the road segment 3, and the matched group is the group 2, the alarm information is sent to all the vehicles receiving the group 2 labels.
In some embodiments, referring to fig. 4, when a branch exists on the front side, two branches and a segment of the road segment connected are drawn as the same group. The road section 1, the road section 2 and the road section 3 are all divided into a group i, when a vehicle is located on the road section 1 of the main road and a branch exists in front of the road section, if a traffic accident occurs on the road section 2 or the road section 3 (the group i), alarm information is sent to the group i-1. Therefore, vehicles in the group i-1 can successfully receive the early warning information, so that the early warning information is dealt with in advance and rear-end accidents are avoided. Since the alarm information is sent only to the vehicle in the backward direction, interference to the unaffected vehicle, such as the vehicle that has passed through the accident site, can be avoided. Specifically, vehicles such as the road section 4 and the road section 5 in fig. 4 are not in the accident area, so that the trouble caused by receiving alarm information can be avoided. And then updating the group information, and when the actual traveling route of the vehicle is leaving the road section 1 and entering the road section 2, the server can judge that the vehicle does not enter the road section 3, then releasing the information of the vehicle in the group i and joining the group i +1 to which the road section 4 belongs, wherein the vehicle registration joining method is the same as the steps.
In some embodiments, referring to fig. 5, another case is when a vehicle is located in a branch road (road segment 1, road segment 2) ready to merge into a main road (road segment 3), since the link of road segment 3 with road segment 1, road segment 2 is established in a digital map in advance, when an accident occurs in road segment 3, the server can transmit warning information to the vehicles registered in road segment 1 and road segment 2. Therefore, the vehicle-mounted module can report the group to which the current road section and the future road section which can possibly enter belong, and the server only needs to send the early warning information to the group member corresponding to the road section, so that the information forwarding speed can be effectively increased, and the load of the server is reduced.
In some embodiments, the vehicle-mounted module and the detection module are preferably accessed by using a PC5 or UU interface of 5G sidelink. Access may also be via conventional WLAN technologies, such as WIFI. When the coverage of the 5G signal is poor, the connection success rate can be improved by switching to the WLAN access.
In some embodiments, the traffic early warning method can report the current road section and the group to which the road section possibly enters in the future belongs, and as long as the early warning information is sent to the group members corresponding to the road section, the information forwarding speed can be effectively increased, the load of a server can be reduced, and meanwhile, the trouble caused by the fact that users not in an accident area receive the warning information can be avoided.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The traffic early warning method and the traffic early warning system provided by the embodiment of the application are introduced in detail, and the principle and the implementation mode of the application are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the technical scheme and the core idea of the application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A traffic early warning method is characterized by comprising the following steps:
dividing the road into a plurality of road sections according to the coverage area;
carrying out group configuration on the road sections to acquire group information;
outputting confirmation information according to the network access request information when the vehicle is positioned in a certain road section, wherein the confirmation information comprises group information distributed by the vehicle in the current road section;
generating alarm information according to the abnormal information of the vehicle, and generating a preset alarm area in a direction opposite to the driving direction of the vehicle by using a road section where the vehicle is located when the abnormal information is generated;
and determining group information of a corresponding road section in the preset alarm area, and sending the alarm information to the vehicle assigned to the group information.
2. A traffic warning method according to claim 1, wherein the segments include any one or a combination of main road segments, main road to branch road segments, and branch road to main road segments.
3. The traffic early warning method according to claim 2, wherein the group configuration is performed on the road segments to obtain group information, and further comprising:
when the vehicle is positioned on the main road section, configuring the section where the current vehicle is positioned and the previous section into a group; and/or
Configuring the main road and all the sub-roads into one group when the vehicle is located at a road section from the main road to the sub-road or a road section from the sub-road to the main road or a hybrid road section;
the group information is updated in real time along with the direction of the vehicle advancing.
4. The traffic early warning method according to claim 1, wherein before dividing the road into a plurality of road segments according to the coverage, further comprising:
and acquiring the coverage range by using a detection module, wherein the detection module covers the unidirectional traveling direction of the vehicle, the detection module is configured with ID information, and the detection module corresponds to the road sections one by one so that the road sections are distinguished by the ID information.
5. The traffic warning method according to claim 4, wherein the detection module is further configured to obtain a driving speed of the vehicle and output the abnormality information according to the driving speed; when the running speed is positive, the running speed is far away from the detection module, and when the running speed is negative, the running speed is close to the detection module.
6. The traffic early warning method according to claim 1, wherein before outputting the confirmation information according to the network access request information when the vehicle is located in a certain road section, the method further comprises:
generating the network access request information by means of a vehicle-mounted module, wherein the network access request information comprises a user ID of the vehicle-mounted module, and vehicles containing the vehicle-mounted module are distinguished through the user ID.
7. The traffic warning method according to claim 5, wherein the abnormality information includes:
the speed value of a single vehicle is reduced greatly; or alternatively
The speed values of a plurality of vehicles are the same and are lower than a target threshold value; or
The speed value of a single said vehicle is anomalous both positively and negatively.
8. A traffic warning system, comprising:
the system comprises a configuration output module, a route selection module and a route selection module, wherein the configuration output module is used for dividing a road into a plurality of road sections according to a coverage area, then carrying out group configuration on the road sections, acquiring group information, and outputting confirmation information according to network access request information when a vehicle is positioned on a certain road section, wherein the confirmation information comprises the group information distributed by the vehicle on the current road section;
the early warning module generates warning information according to the abnormal information of the vehicle and generates a preset warning area in a direction opposite to the driving direction of the vehicle on a road section where the vehicle is located when the abnormal information is generated;
and the determining module is used for determining group information of a corresponding road section in the preset warning area and sending the warning information to the vehicle assigned to the group information.
9. The traffic warning system of claim 8, further comprising:
the detection module is in signal connection with the configuration output module;
the detection module is configured to acquire the coverage range, the detection module covers a unidirectional traveling direction of a vehicle, the detection module is configured with ID information, and the detection module corresponds to the road sections one by one so that the road sections are distinguished by the ID information;
the detection module is further configured to obtain a running speed of the vehicle, wherein the running speed is positive to indicate that the vehicle is far away from the detection module, and the running speed is negative to indicate that the vehicle is close to the detection module.
10. A traffic warning system according to claim 9, further comprising:
the vehicle-mounted module is in signal connection with the configuration output module through the detection module;
the vehicle-mounted module is configured to generate the network access request information, wherein the network access request information comprises a user ID of the vehicle-mounted module, and a vehicle containing the vehicle-mounted module is distinguished through the user ID; the configuration output module sends confirmation information to the vehicle-mounted module through the detection module so as to establish the corresponding relation between the vehicle and the road section.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116978236A (en) * | 2023-09-25 | 2023-10-31 | 南京隼眼电子科技有限公司 | Traffic accident early warning method, device and storage medium |
| CN117095540A (en) * | 2023-10-18 | 2023-11-21 | 四川数字交通科技股份有限公司 | Early warning method and device for secondary road accidents, electronic equipment and storage medium |
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