CN113781800A - Method and device for selecting fastest running route during road congestion - Google Patents
Method and device for selecting fastest running route during road congestion Download PDFInfo
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- CN113781800A CN113781800A CN202110961924.8A CN202110961924A CN113781800A CN 113781800 A CN113781800 A CN 113781800A CN 202110961924 A CN202110961924 A CN 202110961924A CN 113781800 A CN113781800 A CN 113781800A
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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
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
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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
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
Abstract
The invention discloses a method and a device for selecting a fastest driving route during road congestion, belonging to the technical field of intelligent traffic, wherein the method comprises the following steps: when the road vehicle congestion information is acquired, if the congestion road section is larger than the preset length, outputting prompt information to inquire whether a user needs to start a fastest route selection function or not; after receiving an instruction for starting the fastest route selection function input by a user, driving sensors arranged on left and right rearview mirrors to work; monitoring whether vehicles running on a left lane and a right lane of a lane where the vehicle is located exceed the vehicle or not through sensors on the left rear-view mirror and the right rear-view mirror respectively, and determining the number of the vehicles of which the left lane and the right lane exceed the vehicle; and determining a faster lane in the left lane and the right lane according to the relation between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and outputting prompt information for prompting the faster lane. The invention can avoid consuming a great deal of time when the vehicle is jammed.
Description
Technical Field
The invention belongs to the technical field of intelligent traffic, and particularly relates to a method and a device for selecting a fastest running route in the case of road congestion.
Background
Vehicles on the road are more and more, and the situation of vehicle congestion on the road is more and more serious. When the vehicle is congested, a relatively fast-running route can be provided for the user, so that the time is saved.
Faster lanes are currently determined mainly by: (1) and determining a faster lane by comparing the magnitude relation between the average speed of the vehicle lane and the average speeds of the other lanes. (2) The electronic tag with the electronic chip inside is fixedly arranged inside the vehicle, and when the vehicle is in the reading range of the reader, the reader accurately detects the road section address, the road section length, the number of the vehicles and the time for driving the road section; calculating a weighted average velocity in the data processing unit; the traffic flow average speed detection unit can acquire the traffic control speed of a running road section, and intelligently divides the traffic control speed into three ranges of smooth running, slow running and congestion; the traffic flow average speed detection unit reads the weighted average speed from the storage unit, judges the road information according to the speed range in which the weighted average speed falls, transmits the information to the signal conversion unit, converts the corresponding information into three signals of 'smooth, slow running and congestion', and sends an instruction to the display unit and the voice unit according to the converted signals. However, the above solutions determine the road condition by the average vehicle speed of each lane, and the logic is complicated.
Disclosure of Invention
Aiming at the defects or the improvement requirements of the prior art, the invention provides a method and a device for selecting the fastest running route in the case of road congestion, so that a large amount of time is avoided being consumed in the case of vehicle congestion.
To achieve the above object, according to one aspect of the present invention, there is provided a method for selecting a fastest travel route when a road is congested, including:
when the road vehicle congestion information is acquired, if the congestion road section is larger than the preset length, outputting prompt information to inquire whether a user needs to start a fastest route selection function or not;
after receiving an instruction for starting the fastest route selection function input by a user, driving sensors arranged on left and right rearview mirrors to work;
monitoring whether vehicles running on a left lane and a right lane of a lane where the vehicle is located exceed the vehicle or not through sensors on the left rear-view mirror and the right rear-view mirror respectively, and determining the number of the vehicles of which the left lane and the right lane exceed the vehicle;
and determining a faster lane in the left lane and the right lane according to the relation between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and outputting prompt information for prompting the faster lane.
In some optional embodiments, monitoring whether vehicles running on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle through sensors on the left rear-view mirror and the right rear-view mirror respectively, and determining the number of the vehicles exceeding the vehicle in the left lane and the right lane, comprises:
the camera on the left rear-view mirror and the camera on the right rear-view mirror are used for shooting a moving object entering the field of view of the camera, and the moving object is determined to exceed the vehicle after the moving object exits the field of view of the camera, so that whether vehicles running on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle or not is respectively monitored, and the number of the vehicles exceeding the vehicle on the left lane and the right lane is determined.
In some alternative embodiments, photographing a moving object entering a field of view of the camera by cameras on left and right rear view mirrors, and determining that the moving object exceeds the own vehicle after the moving object exits the field of view of the camera, includes:
for a camera on any one of a left rearview mirror and a right rearview mirror, when a moving object enters a camera detection range, shooting an initial image, identifying a vehicle and a non-vehicle object in the initial image in a deep learning mode, and removing the non-vehicle object in the initial image to obtain a first image;
when the vehicle completely enters the detection range of the camera, shooting a second image, and identifying a whole vehicle image in the second image;
when the vehicle is about to run out of the camera detection range, shooting a third image, and comparing the third image with the first image and the whole vehicle image to determine whether the vehicle moves forwards;
and when the vehicle is judged to move forwards and the vehicle is out of the detection range of the camera, recording the overtaking number plus 1.
In some optional embodiments, determining a faster lane of the left and right lanes according to a relationship between the number of vehicles exceeding the host vehicle in the left or right lane and a preset value includes:
when the overtaking number of the left lane is larger than a preset value and the overtaking number of the right lane is smaller than or equal to the preset value, determining that the left lane is a faster lane;
when the number of overtaking vehicles on the right lane is larger than a preset value and the number of overtaking vehicles on the left lane is smaller than or equal to the preset value, determining the right lane as a faster lane;
and when the overtaking quantity of the left lane and the right lane is larger than a preset value, determining that the left lane and the right lane are both faster lanes.
According to another aspect of the present invention, there is provided an apparatus for selecting a fastest travel route when a road is congested, comprising:
the congestion judging module is used for outputting prompt information to inquire whether a user needs to start a fastest route selecting function or not when the congestion information of the road vehicle is acquired and if the congestion road section is larger than the preset length;
the sensor driving module is used for driving the sensors arranged on the left rearview mirror and the right rearview mirror to work after receiving an instruction for starting the fastest route selection function input by a user;
the overtaking quantity determining module is used for respectively monitoring whether vehicles running on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle through sensors on the left rearview mirror and the right rearview mirror and determining the quantity of the vehicles of which the left lane and the right lane exceed the vehicle;
and the faster lane determining module is used for determining a faster lane in the left lane and the right lane according to the relation between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and outputting prompt information for prompting the faster lane.
In some optional embodiments, the overtaking number determining module is configured to capture a moving object entering the field of view of the camera through cameras on the left and right rearview mirrors, and determine that the moving object exceeds the own vehicle after the moving object exits the field of view of the camera, so as to monitor whether vehicles traveling on left and right lanes of a lane where the own vehicle is located exceed the own vehicle, and determine the number of vehicles traveling on the left and right lanes exceeding the own vehicle.
In some optional embodiments, the overtaking number determining module is configured to, for a camera on any one of the left and right rearview mirrors, shoot an initial image when a moving object enters a detection range of the camera, identify a vehicle and a non-vehicle object in the initial image in a deep learning manner, and remove the non-vehicle object in the initial image to obtain a first image; when the vehicle completely enters the detection range of the camera, shooting a second image, and identifying a whole vehicle image in the second image; when the vehicle is about to run out of the camera detection range, shooting a third image, and comparing the third image with the first image and the whole vehicle image to determine whether the vehicle moves forwards; and when the vehicle is judged to move forwards and the vehicle is out of the detection range of the camera, recording the overtaking number plus 1.
In some optional embodiments, the faster lane determining module is configured to determine that the left lane is the faster lane when the number of left lane overtaking is greater than a preset value and the number of right lane overtaking is less than or equal to the preset value; when the number of overtaking vehicles on the right lane is larger than a preset value and the number of overtaking vehicles on the left lane is smaller than or equal to the preset value, determining the right lane as a faster lane; and when the overtaking quantity of the left lane and the right lane is larger than a preset value, determining that the left lane and the right lane are both faster lanes.
According to another aspect of the present invention there is provided a controller comprising means for selecting a fastest travelling route in the event of a road congestion as described in any one of the preceding claims.
According to another aspect of the invention, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method of any of the above.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
when the road is jammed, the number of overtaking on the left/right road can be calculated through the detection of the camera. And the fastest driving route is provided for the driver through the calculated overtaking number, so that the time is saved to the maximum extent. When the road is congested, the fastest running route can be provided for the driver, and the time is saved to the greatest extent.
Drawings
Fig. 1 is a schematic flowchart of a method for selecting a fastest travel route when a road is congested according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an apparatus for selecting a fastest travel route when a road is congested according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the present examples, "first", "second", etc. are used for distinguishing different objects, and are not used for describing a specific order or sequence.
Example one
Fig. 1 is a schematic flow chart of a method for selecting a fastest travel route in case of road congestion according to an embodiment of the present invention, where the method shown in fig. 1 includes the following steps:
s1: when the road vehicle congestion information is acquired, if the congestion road section is larger than the preset length, outputting prompt information to inquire whether a user needs to start a fastest route selection function or not;
in the embodiment, the road vehicle congestion information can be determined by the navigation system, and when the vehicles on the road are congested, the navigation system displays the congestion condition.
In this embodiment, the preset length may be determined according to actual needs, and this embodiment is not limited uniquely.
In this embodiment, a voice report may be sent by the vehicle voice system to indicate road congestion and ask the user whether to activate the fastest route selection function.
S2: after receiving an instruction for starting the fastest route selection function input by a user, driving sensors arranged on left and right rearview mirrors to work;
in this embodiment, after the user selects to start the fastest route selection function, the user may send a start instruction to an Electronic Control Unit (ECU) through a voice system, and after receiving the instruction, the system controller may operate a sensor disposed on the rearview mirror.
S3: monitoring whether vehicles running on a left lane and a right lane of a lane where the vehicle is located exceed the vehicle or not through sensors on the left rear-view mirror and the right rear-view mirror respectively, and determining the number of the vehicles of which the left lane and the right lane exceed the vehicle;
in this embodiment, the following may be implemented by monitoring whether vehicles traveling in the left lane and the right lane of the own vehicle exceed the own vehicle through sensors on the left rear-view mirror and the right rear-view mirror, respectively, and determining the number of vehicles in the left lane and the right lane exceeding the own vehicle:
the camera on the left rear-view mirror and the camera on the right rear-view mirror are used for shooting a moving object entering the field of view of the camera, and the moving object is determined to exceed the vehicle after the moving object exits the field of view of the camera, so that whether vehicles running on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle or not is respectively monitored, and the number of the vehicles exceeding the vehicle on the left lane and the right lane is determined.
In this embodiment, the camera on the left and right rearview mirrors is used to shoot the moving object entering the field of view of the camera, and the moving object is determined to exceed the vehicle after the moving object exits the field of view of the camera, which can be realized by the following steps:
for a camera on any one of a left rearview mirror and a right rearview mirror, when a moving object enters a camera detection range, shooting an initial image, identifying a vehicle and a non-vehicle object in the initial image in a deep learning mode, and removing the non-vehicle object in the initial image to obtain a first image;
when the vehicle completely enters the detection range of the camera, shooting a second image, and identifying a whole vehicle image in the second image;
when the vehicle is about to run out of the camera detection range, shooting a third image, and comparing the third image with the first image and the whole vehicle image to determine whether the vehicle moves forwards;
and when the vehicle is judged to move forwards and the vehicle is out of the detection range of the camera, recording the overtaking number plus 1.
In this embodiment, the camera and the controller may recognize the features of the vehicle through deep learning in advance to distinguish the vehicle from the non-vehicle object.
S4: and determining a faster lane in the left lane and the right lane according to the relation between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and outputting prompt information for prompting the faster lane.
In this embodiment, determining the faster lane of the left and right lanes according to the relationship between the number of vehicles exceeding the vehicle in the left lane or the right lane and the preset value may be implemented as follows:
when the overtaking number of the left lane is larger than a preset value and the overtaking number of the right lane is smaller than or equal to the preset value, determining that the left lane is a faster lane;
when the number of overtaking vehicles on the right lane is larger than a preset value and the number of overtaking vehicles on the left lane is smaller than or equal to the preset value, determining the right lane as a faster lane;
and when the overtaking quantity of the left lane and the right lane is larger than a preset value, determining that the left lane and the right lane are both faster lanes.
In this embodiment, the preset value may be determined according to actual needs, and this embodiment is not limited uniquely.
In this embodiment, faster lane information may be presented to the user through a voice broadcast system.
In this embodiment, after the voice broadcast system receives the route information that the running is faster, the voice broadcast vehicle runs faster on the left or right route, and reminds the user whether to turn to the route that the running is faster or not.
In this embodiment, when the number of left or right overtaking vehicles is less than the second preset value, it is determined that the left or right route of the vehicle does not run a faster route, and this information is sent to the voice announcement system. After the voice broadcast system receives the information, the voice broadcast vehicle does not run a faster route in the left or right route, and the user is reminded to keep running the current route.
The second preset value is smaller than the preset value, the size of the second preset value can be determined according to actual needs, and the embodiment is not limited uniquely.
The user can select to turn on or turn off the fastest route selection function, and the function can be turned on for use when the road is slow to run and smooth.
Example two
Fig. 2 is a schematic diagram of an apparatus for selecting a fastest travel route during road congestion according to an embodiment of the present invention, including:
the congestion judging module 201 is configured to, when congestion information of a road vehicle is acquired, output prompt information to inquire whether a user needs to start a fastest route selecting function if a congested road segment is longer than a preset length;
the sensor driving module 202 is used for driving the sensors arranged on the left and right rearview mirrors to work after receiving an instruction for starting the fastest route selection function input by a user;
the overtaking number determining module 203 is configured to monitor whether vehicles traveling on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle through sensors on the left rear-view mirror and the right rear-view mirror, and determine the number of the vehicles exceeding the vehicle in the left lane and the right lane;
the faster lane determining module 204 is configured to determine a faster lane of the left lane and the right lane according to a relationship between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and output prompt information for prompting the faster lane.
In this embodiment, the overtaking number determining module 203 is configured to capture the moving object entering the field of view of the camera through the cameras on the left and right rearview mirrors, and determine that the moving object exceeds the own vehicle after the moving object exits the field of view of the camera, so as to monitor whether vehicles traveling on the left and right lanes of the lane where the own vehicle is located exceed the own vehicle, and determine the number of vehicles traveling on the left and right lanes exceeding the own vehicle.
In this embodiment, the overtaking number determining module 203 is configured to, for a camera on any one of the left and right rearview mirrors, shoot an initial image when a moving object enters a detection range of the camera, identify a vehicle and a non-vehicle object in the initial image in a deep learning manner, and remove the non-vehicle object in the initial image to obtain a first image; when the vehicle completely enters the detection range of the camera, shooting a second image, and identifying a whole vehicle image in the second image; when the vehicle is about to run out of the camera detection range, shooting a third image, and comparing the third image with the first image and the whole vehicle image to determine whether the vehicle moves forwards; and when the vehicle is judged to move forwards and the vehicle is out of the detection range of the camera, recording the overtaking number plus 1.
In this embodiment, the faster lane determining module 204 is configured to determine that the left lane is a faster lane when the number of left lane overtaking is greater than a preset value and the number of right lane overtaking is less than or equal to the preset value; when the number of overtaking vehicles on the right lane is larger than a preset value and the number of overtaking vehicles on the left lane is smaller than or equal to the preset value, determining the right lane as a faster lane; and when the overtaking quantity of the left lane and the right lane is larger than a preset value, determining that the left lane and the right lane are both faster lanes.
The specific implementation of each module may refer to the description of the above method embodiment, and this embodiment will not be repeated.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for selecting a fastest travel route when a road is congested, comprising:
when the road vehicle congestion information is acquired, if the congestion road section is larger than the preset length, outputting prompt information to inquire whether a user needs to start a fastest route selection function or not;
after receiving an instruction for starting the fastest route selection function input by a user, driving sensors arranged on left and right rearview mirrors to work;
monitoring whether vehicles running on a left lane and a right lane of a lane where the vehicle is located exceed the vehicle or not through sensors on the left rear-view mirror and the right rear-view mirror respectively, and determining the number of the vehicles of which the left lane and the right lane exceed the vehicle;
and determining a faster lane in the left lane and the right lane according to the relation between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and outputting prompt information for prompting the faster lane.
2. The method of claim 1, wherein monitoring whether vehicles traveling in left and right lanes of a lane in which the host vehicle is located exceed the host vehicle by sensors on left and right rearview mirrors, respectively, and determining the number of vehicles in the left and right lanes that exceed the host vehicle comprises:
the camera on the left rear-view mirror and the camera on the right rear-view mirror are used for shooting a moving object entering the field of view of the camera, and the moving object is determined to exceed the vehicle after the moving object exits the field of view of the camera, so that whether vehicles running on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle or not is respectively monitored, and the number of the vehicles exceeding the vehicle on the left lane and the right lane is determined.
3. The method of claim 2, wherein capturing the moving object entering the field of view of the camera by the camera on the left and right rearview mirrors and determining that the moving object has passed the own vehicle after the moving object has exited the field of view of the camera comprises:
for a camera on any one of a left rearview mirror and a right rearview mirror, when a moving object enters a camera detection range, shooting an initial image, identifying a vehicle and a non-vehicle object in the initial image in a deep learning mode, and removing the non-vehicle object in the initial image to obtain a first image;
when the vehicle completely enters the detection range of the camera, shooting a second image, and identifying a whole vehicle image in the second image;
when the vehicle is about to run out of the camera detection range, shooting a third image, and comparing the third image with the first image and the whole vehicle image to determine whether the vehicle moves forwards;
and when the vehicle is judged to move forwards and the vehicle is out of the detection range of the camera, recording the overtaking number plus 1.
4. The method according to any one of claims 1 to 3, wherein determining the faster lane of the left and right lanes according to a relationship between the number of vehicles exceeding the own vehicle in the left or right lane and a preset value comprises:
when the overtaking number of the left lane is larger than a preset value and the overtaking number of the right lane is smaller than or equal to the preset value, determining that the left lane is a faster lane;
when the number of overtaking vehicles on the right lane is larger than a preset value and the number of overtaking vehicles on the left lane is smaller than or equal to the preset value, determining the right lane as a faster lane;
and when the overtaking quantity of the left lane and the right lane is larger than a preset value, determining that the left lane and the right lane are both faster lanes.
5. An apparatus for selecting a fastest travel route when a road is congested, comprising:
the congestion judging module is used for outputting prompt information to inquire whether a user needs to start a fastest route selecting function or not when the congestion information of the road vehicle is acquired and if the congestion road section is larger than the preset length;
the sensor driving module is used for driving the sensors arranged on the left rearview mirror and the right rearview mirror to work after receiving an instruction for starting the fastest route selection function input by a user;
the overtaking quantity determining module is used for respectively monitoring whether vehicles running on the left lane and the right lane of the lane where the vehicle is located exceed the vehicle through sensors on the left rearview mirror and the right rearview mirror and determining the quantity of the vehicles of which the left lane and the right lane exceed the vehicle;
and the faster lane determining module is used for determining a faster lane in the left lane and the right lane according to the relation between the number of vehicles exceeding the vehicle in the left lane or the right lane and a preset value, and outputting prompt information for prompting the faster lane.
6. The apparatus of claim 5, wherein the overtaking number determining module is configured to capture the moving object entering the camera view field through the cameras on the left and right rearview mirrors, and determine that the moving object exceeds the own vehicle after the moving object exits the camera view field, so as to monitor whether vehicles traveling on the left and right lanes of the lane where the own vehicle is located exceed the own vehicle, and determine that the left and right lanes exceed the number of vehicles of the own vehicle.
7. The device according to claim 6, wherein the overtaking number determining module is configured to, for the camera on any one of the left and right rearview mirrors, take an initial image when a moving object enters a camera detection range, identify the vehicle and non-vehicle objects in the initial image in a deep learning manner, and remove the non-vehicle objects in the initial image to obtain a first image; when the vehicle completely enters the detection range of the camera, shooting a second image, and identifying a whole vehicle image in the second image; when the vehicle is about to run out of the camera detection range, shooting a third image, and comparing the third image with the first image and the whole vehicle image to determine whether the vehicle moves forwards; and when the vehicle is judged to move forwards and the vehicle is out of the detection range of the camera, recording the overtaking number plus 1.
8. The apparatus of any one of claims 5 to 7, wherein the faster lane determining module is configured to determine that the left lane is a faster lane when the number of left lane overtaking is greater than a preset value and the number of right lane overtaking is less than or equal to a preset value; when the number of overtaking vehicles on the right lane is larger than a preset value and the number of overtaking vehicles on the left lane is smaller than or equal to the preset value, determining the right lane as a faster lane; and when the overtaking quantity of the left lane and the right lane is larger than a preset value, determining that the left lane and the right lane are both faster lanes.
9. A controller comprising means for selecting a fastest travel route when a road is congested as claimed in any one of claims 5 to 8.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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Application publication date: 20211210 |