CN112002128A - Vehicle trajectory tracking method and vehicle trajectory tracking system - Google Patents
Vehicle trajectory tracking method and vehicle trajectory tracking system Download PDFInfo
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- CN112002128A CN112002128A CN202010915297.XA CN202010915297A CN112002128A CN 112002128 A CN112002128 A CN 112002128A CN 202010915297 A CN202010915297 A CN 202010915297A CN 112002128 A CN112002128 A CN 112002128A
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- G—PHYSICS
- G08—SIGNALLING
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
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Abstract
The application provides a vehicle track tracking method and a vehicle track tracking system. According to the vehicle track tracking method, the multifunctional street lamp with the intelligent gateway and the detection device is used on the road, the passing time, the license plate number and the serial number of the multifunctional street lamp are bound to generate track information T1, and the track information T1 is sent to the second multifunctional street lamp through the first communication structure. When the vehicle continues to drive to the second multifunctional street lamp, the stored track information T1 is combined to generate new track information T2, and the steps are repeated, so that the vehicle can be tracked. Therefore, when the vehicle track is tracked, the participation of the cloud end is not needed, and only the information interaction among all the intelligent gateways is needed, on one hand, the calculated amount is dispersed to all the intelligent gateways, and the data analysis can be efficiently completed; on the other hand, when accidents such as downtime occur at the cloud end, the multifunctional street lamps can still track the vehicle track.
Description
Technical Field
The application belongs to the technical field of intelligent traffic, and particularly relates to a vehicle trajectory tracking method and a vehicle trajectory tracking system.
Background
With the development of information technology, the promotion of national information strategy and the construction of smart cities, on one hand, video monitoring develops towards digitization and high definition; on the other hand, the number and range of video surveillance is also expanding rapidly; meanwhile, the interconnection of the cameras has become a development trend, which plays an important role in guaranteeing the personal safety of citizens. In the traditional vehicle track tracking based on the monitoring video, the video monitoring data is fed back to the cloud end for analysis. When the cloud is down, the track tracking of the vehicle can be stopped, so that the road traffic information cannot be normally acquired.
Disclosure of Invention
An object of the present application is to provide an intelligent gateway to solve the above technical problems existing in the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the vehicle trajectory tracking method is applied to an intelligent road and comprises the following steps:
providing a first multifunctional street lamp, wherein a first detection device for identifying vehicle characteristics and a first intelligent gateway for data processing are arranged on the first multifunctional street lamp, a first communication structure capable of information interaction is arranged in the first intelligent gateway, the first detection device detects a vehicle and feeds back detection information to the first intelligent gateway, and the first intelligent gateway generates track information T1 and sends the track information T1 to an adjacent multifunctional street lamp;
providing a second multifunctional street lamp, wherein a second detection device for identifying vehicle characteristics and a second intelligent gateway for data processing are arranged on the second multifunctional street lamp, a second communication structure capable of information interaction is arranged in the second intelligent gateway, the second detection device detects a vehicle and feeds back detection information to the second intelligent gateway, the second intelligent gateway searches whether the track information T1 exists or not, if so, the track information T1 is combined to generate track information T2, and the track information T2 is sent to an adjacent multifunctional street lamp;
and repeating the steps until the vehicle drives out of the intelligent road.
In one embodiment, the first intelligent gateway generating trajectory information T1 further includes: detecting whether track information T0 exists in the first intelligent gateway or not, and if yes, combining the track information T0 to form track information T1; if not, the track information T1 is directly generated.
In one embodiment, the sending the track information T1 to the adjacent multifunctional street lamp specifically includes: first wisdom gateway is adjacent to have two at least wisdom gateways, second wisdom gateway is located on the direction of travel of vehicle and be closest to first wisdom gateway, first wisdom gateway is preferred will track information T1 sends to second wisdom gateway.
In one embodiment, after the first smart gateway sends the track information T1 to the second smart gateway, the track information T1 is forwarded to other neighboring smart gateways.
In an embodiment, a third multifunctional street lamp located in a driving direction is further provided, the first multifunctional street lamp, the second multifunctional street lamp and the third multifunctional street lamp are sequentially arranged, a third detection device for identifying vehicle characteristics and a third intelligent gateway for data processing are arranged on the third multifunctional street lamp, a third communication structure capable of information interaction is arranged in the third intelligent gateway, the third detection device detects a vehicle and feeds back detection information to the third intelligent gateway, the third intelligent gateway retrieves the track information T1 and the track information T2, and the third intelligent gateway generates track information T3 by combining the track information T2 and deletes the track information T1 stored in the third intelligent gateway.
In one embodiment, the first intelligent gateway, the second intelligent gateway and the third intelligent gateway periodically clean up the buffered vehicle trajectory information.
The vehicle track tracking method provided by the application has the beneficial effects that: compared with the prior art, the vehicle track tracking method can be used for carrying out feature detection on a passing vehicle by using a multifunctional street lamp with an intelligent gateway and a detection device on a road, specifically, the feature detection is carried out on license plate number analysis, when the vehicle passes through a first multifunctional street lamp, the first detection device transmits the information to the first intelligent gateway, the first intelligent gateway collects the information, binds the passing time, the license plate number and the serial number of the multifunctional street lamp to generate track information T1, and sends the track information T1 to an adjacent multifunctional street lamp through a first communication structure. When the vehicle continues to drive to the second multifunctional street lamp, the second detection device transmits the information to the second intelligent gateway, the second intelligent gateway collects the information and generates new track information T2 by combining with the stored track information T1, the track information T2 at least comprises the time interval and the average speed of the vehicle between the first multifunctional street lamp and the second multifunctional street lamp; the vehicle can be tracked by repeating the steps. Therefore, when the vehicle track is tracked, the participation of the cloud end is not needed, and only the information interaction among all the intelligent gateways is needed, on one hand, the calculated amount is dispersed to all the intelligent gateways, and the data analysis can be efficiently completed; on the other hand, when accidents such as downtime occur at the cloud end, the multifunctional street lamps can still track the vehicle track.
The application still provides a vehicle trajectory tracking system, including many multi-functional street lamps, each all be equipped with the detection device who is used for detecting the vehicle characteristic on the multi-functional street lamp and be used for data processing's wisdom gateway, be equipped with in the wisdom gateway can the mutual communication structure of information, each be equipped with communication module in the wisdom gateway, each detection device feeds back to corresponding each after detecting the vehicle characteristic the wisdom gateway, each wisdom gateway generates the orbit information, communication module will the orbit information sends to adjacent the wisdom gateway.
In one embodiment, each of the intelligent gateways is further provided with a storage module, the track information is stored in the storage module, and the intelligent gateway periodically deletes the track information.
The application provides a vehicle trajectory tracking system's beneficial effect lies in: compared with the prior art, the vehicle track tracking system has the advantages that by adopting the vehicle track tracking method, when the vehicle track is tracked, the participation of a cloud end is not needed, and only the information interaction between the intelligent gateways arranged on the multifunctional street lamp is needed, on one hand, the calculated amount is dispersed to the intelligent gateways, and the data analysis can be efficiently completed; on the other hand, when accidents such as downtime occur at the cloud end, the multifunctional street lamps can still track the vehicle track.
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 embodiments or the prior art descriptions will be briefly described 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 inventive exercise.
Fig. 1 is a schematic flowchart of a vehicle trajectory tracking method according to an embodiment of the present application.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application more clearly apparent, the present application is further described in detail below with reference to fig. 1 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The first embodiment.
Referring to fig. 1, a vehicle trajectory tracking method according to an embodiment of the present application will now be described. The embodiment provides a vehicle trajectory tracking method, which is applied to an intelligent road and comprises the following steps:
s1: providing a first multifunctional street lamp, wherein the first multifunctional street lamp is provided with a first detection device for identifying vehicle characteristics and a first intelligent gateway for data processing, the first intelligent gateway is internally provided with a first communication structure capable of information interaction, the first detection device detects characteristic information such as license plate number, model number and time of driving through the first multifunctional street lamp of a vehicle, generates detection information such as license plate number, model number and time of driving through the first multifunctional street lamp of the vehicle and feeds the detection information back to the first intelligent gateway, the first intelligent gateway generates track information T1, the track information T1 comprises license plate number, model number and time of driving through the first multifunctional street lamp of the vehicle, and the like, of course, the first detection device can detect more information such as gender of a vehicle owner, number of people on the vehicle and the like and can also be synchronously used as the content stored in the track information T1, the track information T1 includes and transmits the track information T1 to the adjacent multifunctional street lamp;
s2: providing a second multifunctional street lamp, wherein a second detection device for identifying vehicle characteristics and a second intelligent gateway for data processing are arranged on the second multifunctional street lamp, a second communication structure capable of information interaction is arranged in the second intelligent gateway, the second detection device detects the license plate and the model of a vehicle, the time of driving the vehicle through the second multifunctional street lamp and the like, and feeds back the detection information to the second intelligent gateway, the second intelligent gateway searches whether track information T1 exists or not, if yes, the track information T1 is combined to generate track information T2, and the track information T2 is sent to an adjacent multifunctional street lamp;
s3: and repeating the steps until the vehicle drives out of the intelligent road.
The vehicle track tracking method provided by the application has the beneficial effects that: compared with the prior art, the vehicle track tracking method can be used for carrying out feature detection on a passing vehicle by using a multifunctional street lamp with an intelligent gateway and a detection device on a road, specifically, the feature detection is carried out on license plate number analysis, when the vehicle passes through a first multifunctional street lamp, the first detection device transmits the information to the first intelligent gateway, the first intelligent gateway collects the information, binds the passing time, the license plate number and the serial number of the multifunctional street lamp to generate track information T1, and sends the track information T1 to an adjacent multifunctional street lamp through a first communication structure. When the vehicle continues to drive to the second multifunctional street lamp, the second detection device transmits the information to the second intelligent gateway, the second intelligent gateway collects the information and generates new track information T2 by combining with the stored track information T1, the track information T2 at least comprises the time interval and the average speed of the vehicle between the first multifunctional street lamp and the second multifunctional street lamp; the vehicle can be tracked by repeating the steps. Therefore, when the vehicle track is tracked, the participation of a cloud end is not needed, and only information interaction is needed among all the intelligent gateways, on one hand, the calculation is dispersed to all the intelligent gateways, and the data analysis can be efficiently completed; on the other hand, when accidents such as downtime occur at the cloud end, the multifunctional street lamps can still track the vehicle track.
In one embodiment, the first intelligent gateway generating the trajectory information T1 further includes: detecting whether track information T0 exists in the first intelligent gateway or not, and if so, combining the track information T0 to form track information T1; if not, the trajectory information T1 is directly generated. Since most vehicles normally go to and fro and transport goods on the same road, the first intelligent gateway may already store the track information of the vehicle, and the track information is track information after the vehicles have already driven on the road for a period of time, so that the track information is track information T0, and the first intelligent gateway synchronously updates the track information T0 and generates track information T1 by combining the latest detection data. In short, when the track information of the vehicle does not exist in the first intelligent gateway, the track information T1 is directly generated; when the previous track information T0 is detected, whether the track information T0 is the instant information of the vehicle or not, information updating is required to generate completely new track information T1, so that when a certain vehicle needs to be queried for track information, all track information of the vehicle can be queried at one time. In addition, the track information can be periodically uploaded to the cloud end, so that all track information of all vehicles can be acquired at the cloud end.
In one embodiment, the sending of the trajectory information T1 to the adjacent multifunctional street lamp is specifically: the first intelligent gateway is adjacent to have two at least intelligent gateways, and the second intelligent gateway is located the direction of travel of vehicle and is nearest to first intelligent gateway, and first intelligent gateway sends track information T1 to the second intelligent gateway preferentially. The track information T1 of the first intelligent gateway is sent to the at least two intelligent gateways, so that the intelligent gateways can still receive the track information T1 under the condition that the second intelligent gateway is damaged, and the disaster tolerance performance of the vehicle track tracking method is high. In addition, the first intelligent gateway preferentially sends the track information T1 to the second intelligent gateway because the intelligent gateway has certain computing power, and can set up the priority of information transmission to prevent the intelligent gateway from overloading. Of course, when the performance of the intelligent gateways can meet the requirement of simultaneous transmission, the first intelligent gateway can also be adopted to synchronously send the track information T1 to all adjacent intelligent gateways.
In one embodiment, after the first intelligent gateway sends the track information T1 to the second intelligent gateway, the track information T1 is forwarded to other neighboring intelligent gateways.
In one embodiment, a third multifunctional street lamp located in the driving direction is further provided, the first multifunctional street lamp, the second multifunctional street lamp and the third multifunctional street lamp are arranged in sequence, a third detection device for identifying vehicle characteristics and a third intelligent gateway for data processing are arranged on the third multifunctional street lamp, a third communication structure capable of information interaction is arranged in the third intelligent gateway, the third detection device detects a vehicle and feeds back detection information to the third intelligent gateway, the third intelligent gateway searches for track information T1 and track information T2, the third intelligent gateway generates track information T3 by combining with the track information T2, and deletes the track information T1 stored in the third intelligent gateway. Because the intelligent gateway has priority setting when sending the track information, when the third intelligent gateway receives the track information T1 and the track information T2 at the same time, the third intelligent gateway analyzes the track information T1 and the track information T2, judges that the track information T2 is updated track information, and generates track information T3 by combining the track information T2 and deletes the stored track information T1, thus avoiding the information in the third intelligent gateway from being repeated and occupying storage space.
In one embodiment, the first intelligent gateway, the second intelligent gateway and the third intelligent gateway periodically clear the buffered vehicle track information. Taking a highway as an example, the number of vehicles running every day is 10000, the data volume required to be stored is large, all intelligent gateways are set to periodically clear track information in order to avoid the unlimited increase of the storage volume of vehicle information, the clearing period can be determined according to the storage volume of a hard disk actually adopted by the intelligent gateways, and the specific mode can be that the track of the vehicles which exceed 24 hours is uploaded to a cloud end or a base station at intervals of every hour, and the track information which exceeds 24 hours in the intelligent gateways is deleted. When the vehicle track information of one vehicle does not exceed 1M, the 1T space can store more than 100 ten thousand pieces of vehicle track information.
Example two
The embodiment of the application still provides a vehicle trajectory tracking system, including many multi-functional street lamps, all be equipped with the detection device who is used for detecting the vehicle characteristic on each multi-functional street lamp and be used for data processing's wisdom gateway, be equipped with the communication structure that can the information interaction in the wisdom gateway, be equipped with communication module in each wisdom gateway, each detection device feeds back to each wisdom gateway that corresponds after detecting the vehicle characteristic, each wisdom gateway generates the orbit information, communication module sends the orbit information to adjacent wisdom gateway.
The beneficial effect of the wisdom gateway that this application embodiment provided lies in: compared with the prior art, the vehicle track tracking system of the embodiment of the application only needs to perform information interaction among all intelligent gateways arranged on the multifunctional street lamp without participation of a cloud end when the vehicle track tracking is realized by adopting the vehicle track tracking method, and on one hand, the calculated amount is dispersed to all intelligent gateways, so that data analysis can be efficiently completed; on the other hand, when accidents such as downtime occur at the cloud end, the multifunctional street lamps can still track the vehicle track.
In one embodiment, each intelligent gateway is further provided with a storage module, the track information is stored in the storage module, and each intelligent gateway periodically deletes the track information. Specifically, at an interval of every hour, the track of the vehicle which has exceeded 24 hours is uploaded to the cloud, and the track information which is checked for exceeding 24 hours in the intelligent gateway is deleted.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (8)
1. A vehicle track tracking method is applied to an intelligent road and is characterized by comprising the following steps:
providing a first multifunctional street lamp, wherein a first detection device for identifying vehicle characteristics and a first intelligent gateway for data processing are arranged on the first multifunctional street lamp, a first communication structure capable of information interaction is arranged in the first intelligent gateway, the first detection device detects the license plate number and the elapsed time of the vehicle and feeds the detection information back to the first intelligent gateway, and the first intelligent gateway generates track information T1 and sends the track information T1 to an adjacent multifunctional street lamp;
providing a second multifunctional street lamp, wherein a second detection device for identifying vehicle characteristics and a second intelligent gateway for data processing are arranged on the second multifunctional street lamp, a second communication structure capable of information interaction is arranged in the second intelligent gateway, the second detection device detects the license plate number and the elapsed time of the vehicle and feeds the detection information back to the second intelligent gateway, the second intelligent gateway searches whether the track information T1 exists or not, if so, the track information T1 is combined to generate track information T2, and the track information T2 is sent to an adjacent multifunctional street lamp;
and repeating the steps until the vehicle drives out of the intelligent road.
2. The vehicle trajectory tracking method according to claim 1, wherein the first intelligent gateway generating trajectory information T1 further comprises: detecting whether track information T0 exists in the first intelligent gateway or not, and if yes, combining the track information T0 to generate track information T1; if not, the track information T1 is directly generated.
3. The vehicle trajectory tracking method according to claim 1, wherein the sending of the trajectory information T1 to the adjacent multifunctional street lamp is specifically: first wisdom gateway is adjacent to have two at least wisdom gateways, second wisdom gateway is located on the direction of travel of vehicle and be closest to first wisdom gateway, first wisdom gateway is preferred will track information T1 sends to second wisdom gateway.
4. The vehicle trajectory tracking method according to claim 3, wherein the first intelligent gateway transmits the trajectory information T1 to the second intelligent gateway, and then forwards the trajectory information T1 to other neighboring intelligent gateways.
5. The vehicle track following method according to claim 4, further providing a third multifunctional street lamp located in a driving direction, the first multifunctional street lamp, the second multifunctional street lamp and the third multifunctional street lamp are arranged in sequence, the third multifunctional street lamp is provided with a third detection device for identifying vehicle characteristics and a third intelligent gateway for data processing, a third communication structure capable of information interaction is arranged in the third intelligent gateway, the third detection device detects the vehicle, and feeds back the detection information to the third intelligent gateway, the third intelligent gateway retrieves the track information T1 and the track information T2, and the third intelligent gateway generates track information T3 by combining the track information T2, and deletes the track information T1 stored in the third intelligent gateway.
6. The vehicle trajectory tracking method of claim 5, wherein the first intelligent gateway, the second intelligent gateway and the third intelligent gateway periodically purge buffered vehicle trajectory information.
7. Vehicle trajectory tracking system, its characterized in that: the intelligent street lamp comprises a plurality of multifunctional street lamps, wherein each multifunctional street lamp is provided with a detection device for detecting vehicle characteristics and an intelligent gateway for data processing, a communication structure capable of information interaction is arranged in each intelligent gateway, each detection device is provided with a communication module, each detection device detects the vehicle characteristics and then feeds back the vehicle characteristics to the corresponding intelligent gateway, each intelligent gateway generates track information, and the communication modules send the track information to the adjacent intelligent gateways.
8. The vehicle trajectory tracking system of claim 7, wherein each of said intelligent gateways further includes a storage module, said trajectory information being stored in said storage module, said intelligent gateways periodically deleting said trajectory information.
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Application publication date: 20201127 |