CN110675631A - Traffic flow traceability analysis method and system - Google Patents
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Abstract
The invention discloses a traffic flow traceability analysis method and a traffic flow traceability analysis system, and relates to the field of traffic planning and traffic management. The method comprises the steps of obtaining original data of vehicles passing through a target road or a local area, wherein the original data comprises vehicle GPS positioning data, vehicle image data and vehicle video data; processing the original data of the vehicle to determine the driving path of the vehicle; summarizing the driving paths of vehicles under the appointed scene, and realizing the source tracing analysis of the source and the destination of the traffic flow; the method has the advantages of low cost, wide range, high efficiency and high precision, and can determine the traffic flow tracing of a single road, the traffic flow tracing of local roads, the traffic flow tracing from one local area to another local area and the simultaneous parallel tracing of a plurality of tracing types. The tracing can be further classified into a route tracing, a starting point tracing and an end point tracing. The method and the system can help traffic researchers to accurately master the source and the destination of vehicles on the appointed road, so that the congestion cause can be accurately mastered, the traffic planning can be guided, and the traffic congestion can be solved.
Description
Technical Field
The invention relates to the technical field of traffic planning and traffic management, in particular to a traffic flow traceability analysis method and system.
Background
The road traffic flow traceability analysis is a hot research problem in the field of traffic planning, and the traditional traffic flow traceability analysis is mainly implemented by manually investigating traffic volume in a small range for summary analysis, and because the analysis precision is low, the investigation range is small, the data capacity is small, and the error in calculating the steering flow is large, the requirements of traffic planning research under the informatization condition cannot be met.
The existing traffic flow traceability analysis method mainly conducts traceability analysis on road section flow through an RFID receiving system installed on a vehicle, and the existing traffic flow traceability analysis method also has the defects of high cost, small investigation range and the like.
How to analyze traffic and improve the scientificity and accuracy of traffic research becomes a major problem to be solved urgently at present.
Disclosure of Invention
The invention aims to provide a traffic flow traceability analysis method and a traffic flow traceability analysis system, which have the characteristics of low cost, wide range, high efficiency and high accuracy, and are beneficial to a traffic researcher to accurately master the source and the destination of vehicles on a specified road, so that the congestion cause can be accurately grasped, traffic planning can be guided, and traffic congestion can be solved.
In order to achieve the purpose, the invention provides the following scheme:
a traffic flow traceability analysis method comprises the following steps:
acquiring original data of vehicles passing through a target road;
processing the original data of the vehicle to determine a running path of the vehicle; the driving path is a driving track with directionality;
and summarizing the driving paths of the vehicles, determining the source and the destination of the traffic flow of the target road, and forming a source tracing result.
Optionally, the acquiring of the original data of the vehicle passing through the target road specifically includes:
determining and marking vehicles passing through the target road;
screening the original data of the marked vehicle from a database; the original data comprises vehicle GPS positioning data, license plate image data collected by a video electronic police station and a video checkpoint and electronic license plate detection data.
Optionally, the processing the vehicle raw data to determine the driving path of the vehicle specifically includes:
cleaning the vehicle original data, verifying data integrity, verifying data validity and carrying out standardized preprocessing to obtain preprocessed vehicle data;
processing the preprocessed vehicle data by adopting a path fuzzy inference algorithm and combining with an urban electronic map containing a target road to determine a driving path of the vehicle;
or processing the preprocessed vehicle data by adopting a path accurate search algorithm and combining with an urban electronic map containing a target road to determine the driving path of the vehicle.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of vehicles passing through a target road;
the driving path determining module is used for processing the vehicle original data and determining the driving path of the vehicle; the driving path is a driving track with directionality;
and the traffic flow tracing determining module is used for summarizing the driving paths of the vehicles, determining the source and the destination of the traffic flow of the target road and forming a tracing result.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis method comprises the following steps:
acquiring original data of vehicles passing through a local area; the local area includes a plurality of target roads;
processing the original data of the vehicle to determine a running path of the vehicle; the driving path is a driving track with directionality;
and summarizing the driving path of the vehicle passing through any target road in the local area, determining the source and the destination of the traffic flow of the local area, and forming a source tracing result.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of the vehicle passing through a local area; the local area includes a plurality of target roads;
the driving path determining module is used for processing the vehicle original data and determining the driving path of the vehicle; the driving path is a driving track with directionality;
and the traffic flow tracing determining module is used for summarizing the driving path of the vehicle passing through any target road in the local area, determining the source and the destination of the traffic flow in the local area and forming a tracing result.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis method comprises the following steps:
acquiring original data of vehicles passing through a local area; the local area includes a plurality of target roads;
processing the vehicle original data, and determining a starting position driving path, a path driving path and an end position driving path of the vehicle; the driving path is a driving track with directionality;
summarizing the driving path at the starting position of the vehicle passing through any target road in the local area, and determining the starting traffic flow traceability of the local area;
summarizing driving paths of vehicles passing through any target road in the local area, and determining the path traffic flow tracing source of the local area;
and summarizing the driving paths of vehicles passing through any target road in the local area at the end point, and determining the traffic flow tracing source of the end point of the local area.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of the vehicle passing through a local area; the local area includes a plurality of target roads;
the driving path determining module is used for processing the vehicle original data and determining a driving path at the starting position, a driving path at the path position and a driving path at the end position of the vehicle; the driving path is a driving track with directionality;
the starting traffic flow tracing determining module is used for summarizing a starting driving path of vehicles passing through any target road in the local area and determining the starting traffic flow tracing of the local area;
the path traffic flow traceability determination module is used for summarizing the driving paths of the vehicles passing through any target road in the local area and determining the path traffic flow traceability of the local area;
and the end traffic flow tracing determining module is used for summarizing the driving path of the vehicle passing through any target road in the local area at the end point and determining the end traffic flow tracing of the local area.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis method comprises the following steps:
acquiring original data of vehicles passing through a first area and a second area; the first area and the second area each include a plurality of target roads;
processing the vehicle original data, and determining a starting position driving path, a path driving path and an end position driving path of the vehicle; the driving path is a driving track with directionality;
summarizing the driving path of a first vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source from the first area to the second area; the first vehicle is a vehicle with a starting running path on any target road in the first area and an ending running path on any target road in the second area;
summarizing the driving path of a second vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source from the first area to the second area; the second vehicle is a vehicle with a route running path on any target road in the first area and an end point running path on any target road in the second area;
summarizing the driving path of a third vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source between the first area and the second area; the third vehicle is a vehicle with a path running on any one target road in the first area and any one target road in the second area.
In order to achieve the above purpose, the invention also provides the following scheme:
a traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of the vehicle passing through the first area and the second area; the first area and the second area each include a plurality of target roads;
the driving path determining module is used for processing the vehicle original data and determining a driving path at the starting position, a driving path at the path position and a driving path at the end position of the vehicle; the driving path is a driving track with directionality;
the traffic flow tracing determining module from the first area to the second area is used for summarizing the driving path of the first vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing from the first area to the second area; the first vehicle is a vehicle with a starting running path on any target road in the first area and an ending running path on any target road in the second area;
the traffic flow tracing determining module from the first area to the second area is further used for summarizing the driving path of the second vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing from the first area to the second area; the second vehicle is a vehicle with a route running path on any target road in the first area and an end point running path on any target road in the second area;
the traffic flow tracing determining module between the first area and the second area is used for summarizing the driving path of a third vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing between the first area and the second area; the third vehicle is a vehicle with a path running on any one target road in the first area and any one target road in the second area.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a traffic flow traceability analysis method and system, which can determine a single target road, a plurality of target roads in a local area and traffic flow traceability between areas with low cost, wide range, high efficiency and high accuracy, and is beneficial for a traffic researcher to accurately master the source and the destination of vehicles on the specified road, thereby accurately mastering congestion causes, guiding traffic planning and solving traffic congestion.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a traffic flow traceability analysis method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a traffic flow traceability analysis system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
For the congested road sections, it is important to know the tracing source of each vehicle in the congested road sections. By knowing the tracing source of each vehicle in the congested road section, the constraint (such as traffic light control of the upstream road section and green signal ratio reduction) can be performed on the upstream road section of the vehicle, and a new road section can be replanned or added in the congested road section area, so that the traffic pressure is relieved.
Therefore, the traffic flow traceability analysis method and system provided by the invention can determine the traffic flow traceability of the congested road section with low cost, wide range, high efficiency and high accuracy, and are beneficial for a traffic researcher to accurately master the source and the destination of vehicles on the specified road, so that the congestion cause can be accurately grasped, the traffic planning can be guided, and the traffic congestion can be solved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Fig. 1 is a schematic flow chart of a traffic flow traceability analysis method according to an embodiment of the present invention, and as shown in fig. 1, the traffic flow traceability analysis method according to the embodiment includes the following steps:
step 101: acquiring original data of vehicles passing through a target road; the method specifically comprises the following steps:
vehicles passing through the target road are determined and marked.
Screening the original data of the marked vehicle from a database; the original data comprises vehicle GPS positioning data, license plate image data collected by a video electronic police station and a video checkpoint, electronic license plate detection data and the like which can indicate the passing position of the vehicle.
Vehicles typically include floating cars, taxis, net appointments, and navigation vehicles, among others.
Step 102: processing the original data of the vehicle to determine a running path of the vehicle; the driving path is a driving track with directionality; the method specifically comprises the following steps:
and cleaning the vehicle original data, verifying data integrity, verifying data validity and carrying out standardized preprocessing to obtain preprocessed vehicle data. Under the condition, the mode identification of the vehicle image data and the vehicle video data is needed, the license plate number of the vehicle is determined, the license plate number of the vehicle is tracked, the vehicle running direction and the running track are determined, and the later vehicle running path correction is facilitated.
And processing the preprocessed vehicle data by adopting a path fuzzy inference algorithm and combining with an urban electronic map containing a target road to determine the driving path of the vehicle.
Or processing the preprocessed vehicle data by adopting a path accurate search algorithm and combining with an urban electronic map containing a target road to determine the driving path of the vehicle.
The method comprises the following steps that a path fuzzy inference algorithm and a path accurate search algorithm are both the prior art, for example, in path inference, a related road network data structure and a road network topological structure are established according to road information data of an urban navigation electronic map; the road network data structure includes: nodes, links and mutual construction relations are established; road network topological structure includes: the communication relation among the links and all paths which can be reached by each link within a specified time; then receiving GPS positioning data of the vehicle; wherein, GPS positioning data includes: time information, GPS positioning vehicle position information, vehicle driving direction and vehicle driving speed; then, map matching is carried out according to the GPS positioning vehicle position information, and a candidate road link of the GPS positioning data of the vehicle is obtained; and acquiring a traveling path of the vehicle according to the candidate road link and the time information, and finally correcting by using the video data and the image data to acquire a final traveling path of the vehicle.
Step 103: summarizing the driving paths of vehicles, determining the source and the destination of the traffic flow of the target road, and forming a source tracing result, which specifically comprises the following steps: summarizing the driving paths of the vehicles, superposing the driving paths on the target road, and determining the traffic flow tracing source of the target road.
In this embodiment, the traffic flow tracing source of each target road may be displayed in the form of a map.
According to the embodiment, the travel time, the travel distance, the travel time and the high-frequency utilization rate of various types of vehicles can be determined according to the traffic flow tracing of each target road, so that vehicle management and control, road section tide management and road section planning are realized, and traffic pressure is relieved.
Example 2
In order to achieve the purpose, the invention also provides the following scheme.
Fig. 2 is a schematic structural diagram of a traffic flow traceability analysis system according to an embodiment of the present invention, and as shown in fig. 2, the traffic flow traceability analysis system according to the embodiment includes:
the original data acquisition module 201 is used for acquiring original data of vehicles passing through a target road.
A driving path determining module 202, configured to process the vehicle raw data and determine a driving path of the vehicle; the driving path is a driving track with directionality.
And the traffic flow tracing determining module 203 is configured to summarize the driving paths of the vehicles, determine the traffic flow tracing of the target road, and form a tracing result.
Example 3
In order to achieve the above object, this embodiment further provides a traffic flow traceability analysis method, including:
acquiring original data of vehicles passing through a local area; the local area includes a plurality of target roads.
Processing the original data of the vehicle to determine a running path of the vehicle; the driving path is a driving track with directionality.
And summarizing the driving paths of vehicles passing through any target road in the local area, determining the traffic flow traceability of the local area, and forming a traceability result.
Example 4
In order to achieve the above object, this embodiment further provides a traffic flow traceability analysis system, including:
the original data acquisition module is used for acquiring original data of the vehicle passing through a local area; the local area includes a plurality of target roads.
The driving path determining module is used for processing the vehicle original data and determining the driving path of the vehicle; the driving path is a driving track with directionality.
And the traffic flow tracing determining module is used for summarizing the driving path of the vehicle passing through any target road in the local area, determining the traffic flow tracing of the local area and forming a tracing result.
Example 5
In order to achieve the above object, this embodiment further provides a traffic flow traceability analysis method, including:
acquiring original data of vehicles passing through a local area; the local area includes a plurality of target roads.
Processing the vehicle original data, and determining a starting position driving path, a path driving path and an end position driving path of the vehicle; the driving path is a driving track with directionality.
And summarizing the driving path at the starting position of the vehicle passing through any target road in the local area, and determining the starting traffic flow traceability of the local area.
And summarizing the driving paths of vehicles passing through any target road in the local area, and determining the path traffic flow traceability of the local area.
And summarizing the driving paths of vehicles passing through any target road in the local area at the end point, and determining the traffic flow tracing source of the end point of the local area.
Example 6
In order to achieve the above object, this embodiment further provides a traffic flow traceability analysis system, including:
the original data acquisition module is used for acquiring original data of the vehicle passing through a local area; the local area includes a plurality of target roads.
The driving path determining module is used for processing the vehicle original data and determining a driving path at the starting position, a driving path at the path position and a driving path at the end position of the vehicle; the driving path is a driving track with directionality.
And the starting traffic flow tracing determining module is used for summarizing the starting driving path of the vehicles passing through any target road in the local area and determining the starting traffic flow tracing of the local area.
And the path traffic flow traceability determination module is used for summarizing the driving paths of the vehicles passing through any target road in the local area and determining the path traffic flow traceability of the local area.
And the end traffic flow tracing determining module is used for summarizing the driving path of the vehicle passing through any target road in the local area at the end point and determining the end traffic flow tracing of the local area.
Example 7
In order to achieve the above object, this embodiment further provides a traffic flow traceability analysis method, including:
acquiring original data of vehicles passing through a first area and a second area; the first area and the second area each include a plurality of target roads.
Processing the vehicle original data, and determining a starting position driving path, a path driving path and an end position driving path of the vehicle; the driving path is a driving track with directionality.
Summarizing the driving path of a first vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source from the first area to the second area; the first vehicle is a vehicle with a starting running path on any target road in the first area and an ending running path on any target road in the second area.
Summarizing the driving path of a second vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source from the first area to the second area; the second vehicle is a vehicle with a route running on any target road in the first area and an end point running on any target road in the second area.
Summarizing the driving path of a third vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source between the first area and the second area; the third vehicle is a vehicle with a path running on any one target road in the first area and any one target road in the second area.
Example 8
In order to achieve the above object, this embodiment further provides a traffic flow traceability analysis system, including:
the original data acquisition module is used for acquiring original data of the vehicle passing through the first area and the second area; the first area and the second area each include a plurality of target roads.
The driving path determining module is used for processing the vehicle original data and determining a driving path at the starting position, a driving path at the path position and a driving path at the end position of the vehicle; the driving path is a driving track with directionality.
The traffic flow tracing determining module from the first area to the second area is used for summarizing the driving path of the first vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing from the first area to the second area; the first vehicle is a vehicle with a starting running path on any target road in the first area and an ending running path on any target road in the second area.
The traffic flow tracing determining module from the first area to the second area is further used for summarizing the driving path of the second vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing from the first area to the second area; the second vehicle is a vehicle with a route running on any target road in the first area and an end point running on any target road in the second area.
The traffic flow tracing determining module between the first area and the second area is used for summarizing the driving path of a third vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing between the first area and the second area; the third vehicle is a vehicle with a path running on any one target road in the first area and any one target road in the second area.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A traffic flow traceability analysis method is characterized by comprising the following steps:
acquiring original data of vehicles passing through a target road;
processing the original data of the vehicle to determine a running path of the vehicle; the driving path is a driving track with directionality;
and summarizing the driving paths of the vehicles, determining the source and the destination of the traffic flow of the target road, and forming a source tracing result.
2. The traffic flow traceability analysis method according to claim 1, wherein the obtaining of vehicle raw data passing through a target road specifically comprises:
determining and marking vehicles passing through the target road;
screening the original data of the marked vehicle from a database; the original data comprises vehicle GPS positioning data, license plate image data collected by a video electronic police station and a video checkpoint and electronic license plate detection data.
3. The traffic flow traceability analysis method according to claim 1, wherein the processing of the vehicle raw data to determine the driving path of the vehicle specifically comprises:
cleaning the vehicle original data, verifying data integrity, verifying data validity and carrying out standardized preprocessing to obtain preprocessed vehicle data;
processing the preprocessed vehicle data by adopting a path fuzzy inference algorithm and combining with an urban electronic map containing a target road to determine a driving path of the vehicle;
or processing the preprocessed vehicle data by adopting a path accurate search algorithm and combining with an urban electronic map containing a target road to determine the driving path of the vehicle.
4. A traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of vehicles passing through a target road;
the driving path determining module is used for processing the vehicle original data and determining the driving path of the vehicle; the driving path is a driving track with directionality;
and the traffic flow tracing determining module is used for summarizing the driving paths of the vehicles, determining the source and the destination of the traffic flow of the target road and forming a tracing result.
5. A traffic flow traceability analysis method is characterized by comprising the following steps:
acquiring original data of vehicles passing through a local area; the local area includes a plurality of target roads;
processing the original data of the vehicle to determine a running path of the vehicle; the driving path is a driving track with directionality;
and summarizing the driving path of the vehicle passing through any target road in the local area, determining the source and the destination of the traffic flow of the local area, and forming a source tracing result.
6. A traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of the vehicle passing through a local area; the local area includes a plurality of target roads;
the driving path determining module is used for processing the vehicle original data and determining the driving path of the vehicle; the driving path is a driving track with directionality;
and the traffic flow tracing determining module is used for summarizing the driving path of the vehicle passing through any target road in the local area, determining the source and the destination of the traffic flow in the local area and forming a tracing result.
7. A traffic flow traceability analysis method is characterized by comprising the following steps:
acquiring original data of vehicles passing through a local area; the local area includes a plurality of target roads;
processing the vehicle original data, and determining a starting position driving path, a path driving path and an end position driving path of the vehicle; the driving path is a driving track with directionality;
summarizing the driving path at the starting position of the vehicle passing through any target road in the local area, and determining the starting traffic flow traceability of the local area;
summarizing driving paths of vehicles passing through any target road in the local area, and determining the path traffic flow tracing source of the local area;
and summarizing the driving paths of vehicles passing through any target road in the local area at the end point, and determining the traffic flow tracing source of the end point of the local area.
8. A traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of the vehicle passing through a local area; the local area includes a plurality of target roads;
the driving path determining module is used for processing the vehicle original data and determining a driving path at the starting position, a driving path at the path position and a driving path at the end position of the vehicle; the driving path is a driving track with directionality;
the starting traffic flow tracing determining module is used for summarizing a starting driving path of vehicles passing through any target road in the local area and determining the starting traffic flow tracing of the local area;
the path traffic flow traceability determination module is used for summarizing the driving paths of the vehicles passing through any target road in the local area and determining the path traffic flow traceability of the local area;
and the end traffic flow tracing determining module is used for summarizing the driving path of the vehicle passing through any target road in the local area at the end point and determining the end traffic flow tracing of the local area.
9. A traffic flow traceability analysis method is characterized by comprising the following steps:
acquiring original data of vehicles passing through a first area and a second area; the first area and the second area each include a plurality of target roads;
processing the vehicle original data, and determining a starting position driving path, a path driving path and an end position driving path of the vehicle; the driving path is a driving track with directionality;
summarizing the driving path of a first vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source from the first area to the second area; the first vehicle is a vehicle with a starting running path on any target road in the first area and an ending running path on any target road in the second area;
summarizing the driving path of a second vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source from the first area to the second area; the second vehicle is a vehicle with a route running path on any target road in the first area and an end point running path on any target road in the second area;
summarizing the driving path of a third vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle, and determining the traffic flow tracing source between the first area and the second area; the third vehicle is a vehicle with a path running on any one target road in the first area and any one target road in the second area.
10. A traffic flow traceability analysis system, comprising:
the original data acquisition module is used for acquiring original data of the vehicle passing through the first area and the second area; the first area and the second area each include a plurality of target roads;
the driving path determining module is used for processing the vehicle original data and determining a driving path at the starting position, a driving path at the path position and a driving path at the end position of the vehicle; the driving path is a driving track with directionality;
the traffic flow tracing determining module from the first area to the second area is used for summarizing the driving path of the first vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing from the first area to the second area; the first vehicle is a vehicle with a starting running path on any target road in the first area and an ending running path on any target road in the second area;
the traffic flow tracing determining module from the first area to the second area is further used for summarizing the driving path of the second vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing from the first area to the second area; the second vehicle is a vehicle with a route running path on any target road in the first area and an end point running path on any target road in the second area;
the traffic flow tracing determining module between the first area and the second area is used for summarizing the driving path of a third vehicle according to the driving path at the starting position, the driving path at the approach position and the driving path at the end position of the vehicle and determining the traffic flow tracing between the first area and the second area; the third vehicle is a vehicle with a path running on any one target road in the first area and any one target road in the second area.
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