CN110544388A - method and device for displaying traffic signal lamp - Google Patents
method and device for displaying traffic signal lamp Download PDFInfo
- Publication number
- CN110544388A CN110544388A CN201910866296.8A CN201910866296A CN110544388A CN 110544388 A CN110544388 A CN 110544388A CN 201910866296 A CN201910866296 A CN 201910866296A CN 110544388 A CN110544388 A CN 110544388A
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- vehicle
- traffic signal
- signal lamp
- state information
- traffic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
-
- 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
- G08G1/09623—Systems involving the acquisition of information from passive traffic signs by means mounted on the vehicle
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The embodiment of the invention discloses a method and a device for displaying traffic signal lamps, wherein the method is applied to a vehicle, a display module is arranged behind the vehicle, and the method can comprise the following steps: acquiring state information of a traffic signal lamp in front of a vehicle; and displaying the state information on a display module behind the vehicle so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module. Therefore, by the method provided by the embodiment of the invention, the higher vehicle in front can display the current state of the traffic signal lamp for the rear vehicle through the display module arranged at the rear part of the higher vehicle, so that a driver driving the rear vehicle can timely and accurately acquire the state of the traffic signal lamp to be passed through even if the driver is shielded from sight by the front vehicle and cannot directly see the traffic signal lamp, and the driving safety is improved.
Description
Technical Field
the invention relates to the technical field of vehicles, in particular to a method and a device for displaying a traffic signal lamp.
Background
The traffic signal lamp is an indicator lamp for directing traffic operation and is used for directing traffic participants to participate in traffic orderly according to the state of the traffic signal lamp. For a driver of a vehicle, it is very important to timely and accurately acquire the state information of a traffic signal lamp through which the vehicle is about to pass, so that the driver can be ensured to safely drive the vehicle, and potential safety hazards such as traffic accidents are avoided.
However, if the driver drives the vehicle to follow a higher vehicle, the driver's view of the rear vehicle is blocked because the front vehicle is higher, and the driver cannot observe the state of the traffic signal lamp in the rear vehicle, so that driving behaviors violating traffic regulations are likely to be generated, and potential safety hazards are brought to traffic participants. Based on this, it is urgently needed to provide a solution to overcome the problem that a driver of a vehicle running behind a higher vehicle cannot timely and accurately know the state of a traffic light.
Disclosure of Invention
the embodiment of the invention provides a method and a device for displaying traffic lights, which are characterized in that the current state of the traffic lights is displayed for a rear vehicle by a vehicle higher in front, so that a driver of the rear vehicle can timely and accurately acquire the state of the traffic lights to be passed through even if the driver is shielded by a front vehicle and cannot directly see the traffic lights, and the driving safety is improved.
In a first aspect, a method for displaying a traffic signal lamp is provided, which is applied to a vehicle, and a display module is arranged behind the vehicle, and the method comprises the following steps:
Acquiring state information of a traffic signal lamp in front of the vehicle;
And displaying the state information on the display module behind the vehicle so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module.
Optionally, the acquiring the status information of the traffic signal lamp includes:
Acquiring an image including the traffic signal lamp;
identifying status information of the traffic signal in the image.
optionally, the method further comprises:
The vehicle is connected with a Road Side Unit (RSU) of the traffic signal lamp through an On Board Unit (OBU);
The acquiring of the state information of the traffic signal lamp comprises the following steps:
And the OBU of the vehicle receives the state information of the traffic signal lamp sent by the RSU through the connection.
optionally, the status information includes a current status of the traffic signal lamp and a time until a next status of the traffic signal lamp changes.
optionally, if the vehicle approaches the intersection where the traffic signal lamp is located and the distance between the vehicle and the intersection is less than a preset distance, the state information of the traffic signal lamp in front of the vehicle is acquired.
in a second aspect, there is provided an apparatus for displaying a traffic signal, applied to a vehicle, the apparatus comprising:
an acquisition unit configured to acquire status information of a traffic light in front of the vehicle;
the display unit is used for displaying the state information behind the vehicle, so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module.
Optionally, the obtaining unit includes:
the acquisition subunit is used for acquiring an image comprising the traffic signal lamp;
and the identification subunit is used for identifying the state information of the traffic signal lamp in the image.
Optionally, the apparatus further comprises:
The connection establishing unit is used for establishing connection between the OBU and the RSU of the traffic signal lamp;
The obtaining unit is specifically configured to:
And the OBU receives the state information of the traffic signal lamp sent by the RSU through the connection.
Optionally, the state information includes a current state of the traffic signal lamp and a time until a next state of a distance change.
Optionally, the obtaining unit is specifically configured to:
And if the vehicle approaches the intersection where the traffic signal lamp is located and the distance between the vehicle and the intersection is smaller than the preset distance, acquiring the state information of the traffic signal lamp in front of the vehicle.
In a third aspect, there is also provided an apparatus comprising a processor and a memory:
The memory is used for storing a computer program;
The processor is configured to perform the method provided by the first aspect according to the computer program.
In a fourth aspect, a computer-readable storage medium is also provided, the computer-readable storage medium being configured to store a computer program for executing the method provided in the first aspect.
it can be seen that in an embodiment of the present invention, there is provided a method of displaying a traffic signal, the method being applied to a vehicle having a display module at a rear thereof, the method may include: acquiring state information of a traffic signal lamp in front of a vehicle; and displaying the state information on a display module behind the vehicle so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module. Therefore, by the method provided by the embodiment of the invention, the current state of the traffic signal lamp can be displayed for the rear vehicle by the vehicle higher in front through the display module arranged at the rear of the vehicle, so that a driver driving the rear vehicle can timely and accurately acquire the state of the traffic signal lamp to pass through even if the driver is shielded from sight by the vehicle ahead and cannot directly see the traffic signal lamp, and the driving safety is improved.
drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings.
FIG. 1 is a block diagram of a network system according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a method for displaying a traffic signal according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a position of a display module on a vehicle according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an apparatus for displaying a traffic signal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The traffic signal lamp is used as an indicator lamp for commanding traffic operation, and can command traffic participants to participate in traffic orderly according to the state of the traffic signal lamp. For a driver of a vehicle, it is very important to timely and accurately acquire the state information of a traffic light through which the vehicle is about to pass, so that the driver can be ensured to safely drive the vehicle according to the indication of the traffic light, and potential safety hazards are avoided.
in the driving process, the following driving is harmful, and traffic accidents such as rear-end collision and the like are easy to happen. In real life, the process of driving behind a vehicle with a high height is very dangerous, and because the sight line of a driver is shielded by the vehicle in front, on one hand, the driver cannot know the condition of the road in front, and traffic accidents are easy to happen; on the other hand, when a vehicle is about to pass through a traffic light, the driver cannot timely and accurately know the current state of the about-to-pass traffic light, driving behaviors violating traffic rules such as running a red light are easy to occur, and potential safety hazards are brought to the driver and other traffic participants.
based on this, in an embodiment of the present invention, there is provided a method of displaying a traffic signal, the method being applied to a vehicle having a display module at a rear thereof, the method may include: acquiring state information of a traffic signal lamp in front of a vehicle; and displaying the state information on a display module behind the vehicle so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module. Therefore, by the method provided by the embodiment of the application, the higher vehicle in front can display the current state of the traffic signal lamp for the vehicle behind through the display module arranged behind the higher vehicle, so that a driver driving the vehicle behind can timely and accurately acquire the state of the traffic signal lamp to be passed through even if the driver is shielded from sight by the vehicle in front and cannot directly see the traffic signal lamp, and the driving safety is improved.
For example, one of the scenarios of the embodiment of the present invention may be applied to the scenario shown in fig. 1. In this scenario, a vehicle 100, a vehicle 200, and a traffic signal light 300 are included, where the vehicle 100 and the vehicle 200 may refer to two vehicles traveling on the same lane, and the vehicle 100 travels in front of the vehicle 200, and both the vehicle 100 and the vehicle 200 are about to pass through the traffic signal light 300.
it will be appreciated that the vehicle 100 may be a tall vehicle, for example: may be a double-decker bus with a height of about 4 meters, and the vehicle 100 is mounted with a display module 110 at the rear, for example: a rectangular Light Emitting Diode (LED) display screen; the vehicle 200 may be a normal car.
as an example, if the vehicle 100 has an image capture module 120 in front of it, for example: then, the method for displaying a traffic signal lamp in this embodiment may specifically include: first, an image acquisition module 120 on the vehicle 100 acquires an image of the traffic light 300; secondly, the image acquisition module 120 or other processing units on the vehicle 100 identify the image to obtain the state information of the traffic signal light 300; third, the image capturing module 120 or other processing units on the vehicle 100 sends the status information of the traffic light 300 to the display module 110, and the display module 110 displays the status information of the traffic light 300.
as another example, if an On Board Unit (OBU) 130 is installed On the vehicle 100, the OBU 130 On the vehicle 100 may communicate with a Road Side Unit (RSU) 310 corresponding to the traffic signal lamp 300. Then, the method for displaying a traffic signal lamp in this embodiment may specifically include: firstly, an OBU 130 on the vehicle 100 is connected with an RSU 310 corresponding to the traffic signal lamp 300; secondly, the OBU 130 receives the status information of the traffic signal lamp 300 sent by the RSU 310; thirdly, the OBU 130 transmits the status information of the traffic signal lamp 300 to the display module 110, and the display module 110 displays the status information of the traffic signal lamp 300.
In this way, the higher vehicle 100 in front can display the current state of the traffic signal lamp 300 for the vehicle 200 behind through the display module 110 installed behind the higher vehicle 100, so that even if the driver driving the vehicle 200 behind cannot directly see the traffic signal lamp 300 because the driver is shielded from sight by the vehicle 100 in front, the driver can timely and accurately acquire the state of the traffic signal lamp 300 about to pass through, and the driving safety is improved.
It is to be understood that the above scenario is only one scenario example provided by the embodiment of the present invention, and the embodiment of the present invention is not limited to this scenario.
The following describes a specific implementation manner of a method for displaying traffic lights according to an embodiment of the present invention in detail by way of embodiments with reference to the accompanying drawings.
Fig. 2 is a schematic flow chart of a method for displaying a traffic signal lamp according to an embodiment of the present invention. The method is applied to a vehicle, and the rear of the vehicle is provided with a display module, and referring to fig. 2, the method specifically comprises the following steps:
step 201, acquiring the state information of a traffic light in front of a vehicle.
Step 202, displaying the state information on a display module behind the vehicle, so that a traffic participant behind the vehicle can know the state information of the traffic signal lamp through the display module.
It is understood that the status information of the traffic signal may be used to indicate the status of the traffic signal. The state information may specifically include: the current state and distance of the traffic signal light change to the time of the next state. For example: the current state of the traffic signal lamp is red, and the time from the distance change to the green light is as follows: for 30 seconds. Another example is: the current state of the traffic signal lamp is green, and the time from the distance change to the red is as follows: for 3 seconds.
During specific implementation, when a traffic signal lamp is arranged in front of a road where a vehicle runs, the state information of the traffic signal lamp in front of the vehicle can be acquired before the vehicle runs out of an intersection where the traffic signal lamp is located.
in one case, the timing of executing step 201 is to execute step 201 when the vehicle approaches the intersection where the traffic light is located and the distance between the vehicle and the intersection is less than the preset distance, that is, to acquire the state information of the traffic light in front of the vehicle. Alternatively, when it is known that a traffic light is about to pass, for example: when the map application prompts a front route or a front traffic light, the map application triggers the vehicle to execute step 201, that is, to acquire the state information of the traffic light in front of the vehicle.
As an example, if the vehicle has an image capture module in front of it, for example: the camera, that, acquiring the state information of the traffic signal lamp in front of the vehicle in step 201 may specifically include:
S11, an image acquisition module on the vehicle acquires an image of the traffic light;
And S12, an image acquisition module or other processing units on the vehicle identify the image and acquire the state information of the traffic light.
The process of image recognition in S12 may specifically include: relevant parts of the traffic signal lamp are detected from the image, and the current state of the traffic signal lamp and the time required for changing to the next state are determined through image analysis.
as another example, if an OBU is installed on a vehicle, the OBU on the vehicle may communicate with an RSU corresponding to a traffic light. In this case, the acquiring the state information of the traffic light in front of the vehicle in step 201 may specifically include:
s21, establishing connection between the OBU on the vehicle and the RSU corresponding to the traffic signal lamp;
And S22, the OBU receives the state information of the traffic signal lamp sent by the RSU.
in this example, the RSU may send both the current state of its corresponding traffic signal light and the time required to change to the next state to the OBU.
as another example, when the vehicle has an image capturing module in front of the vehicle and the vehicle is also provided with an OBU, then in one case of the scenario, the acquiring the state information of the traffic light in front of the vehicle in step 201 may specifically include:
S31, an image acquisition module on the vehicle acquires an image of the traffic light;
and S32, an image acquisition module or other processing units on the vehicle identifies the image and obtains the first state information of the traffic signal lamp.
S33, establishing connection between the OBU on the vehicle and the RSU corresponding to the traffic signal lamp;
S34, the OBU receives the second state information of the traffic signal lamp sent by the RSU;
wherein S31-S32 and S33-S34 can be executed simultaneously.
S35, if the processing unit on the vehicle determines that the first status information and the second status information are the same, displaying the first status information or the second status information on a display module behind the vehicle.
And S36, if the processing unit on the vehicle determines that the first state information and the second state information are not the same, the state information of the traffic signal lamp is not displayed on the display module behind the vehicle.
in order to prevent misleading to a rear traffic participant, in particular, to a driver of a vehicle immediately behind the vehicle, when the processing unit on the vehicle determines that the first status information and the second status information are different, the status information of the traffic light may be temporarily not displayed, and a prompt message may be displayed, for example: "the front is about to pass through the traffic light, please slow down and walk slowly"; and displaying the first state information or the second state information of the traffic signal lamp until the first state information and the second state information are determined to be the same again.
in another case of this scenario, the acquiring of the state information of the traffic light in front of the vehicle in step 201 may specifically include:
s41, the vehicle determines the mode of obtaining the traffic signal status information, if the mode is the image mode, S42-S43 is executed, if the mode is the OBU mode, S44 is executed;
S42, an image acquisition module on the vehicle acquires an image of the traffic light;
And S43, an image acquisition module or other processing units on the vehicle identify the image and acquire the state information of the traffic light.
s44, establishing connection between the OBU on the vehicle and the RSU corresponding to the traffic signal lamp;
s45, the OBU receives the state information of the traffic signal lamp sent by the RSU;
And S46, displaying the state information of the traffic signal lamp on a display module behind the vehicle.
It is understood that the implementation manners corresponding to S41-S46 may be preset to obtain the traffic light state information, or may adopt a default mode for obtaining the traffic light state information when the vehicle leaves the factory, and are not particularly limited in this embodiment.
The display module may be a display screen disposed behind the vehicle when the vehicle leaves a factory, or may be a display screen attached to the rear of the vehicle. The display module can be specifically adapted to the position behind the vehicle and easily seen by other traffic participants, for example: mounted behind the vehicle and near the top, as in figure 3 at position 1 or position 2 of the vehicle.
It should be noted that, when the vehicle exits the intersection where the traffic light is located, the vehicle stops displaying the state information of the traffic light, at this time, the display module behind the vehicle may display other information, until the vehicle approaches the intersection where another traffic light is located, the vehicle may display the state information of the another traffic light through the embodiment shown in fig. 2.
therefore, the front vehicle displays the current state of the traffic signal lamp for the rear vehicle through the display module arranged at the rear part of the front vehicle, so that a driver driving the rear vehicle can timely and accurately acquire the state of the traffic signal lamp to be passed through even if the driver is shielded from sight by the front vehicle and cannot directly see the traffic signal lamp, and the driving safety is improved.
in addition, an embodiment of the present application further provides a device for displaying a traffic signal, referring to fig. 4, which is a schematic structural diagram of the device 400 for displaying a traffic signal, where the device 400 is applied to a vehicle, and specifically may include: an acquisition unit 401 and a display unit 402.
the acquiring unit 401 is configured to acquire state information of a traffic light in front of the vehicle;
A display unit 402, configured to display the status information behind the vehicle, so that a traffic participant behind the vehicle can obtain the status information of the traffic signal lamp through the display module.
Optionally, the obtaining unit 401 includes:
The acquisition subunit is used for acquiring an image comprising the traffic signal lamp;
and the identification subunit is used for identifying the state information of the traffic signal lamp in the image.
Optionally, the apparatus 400 further comprises: a connection establishing unit.
The connection establishing unit is used for establishing connection between an on-board unit (OBU) and a Road Side Unit (RSU) of the traffic signal lamp;
The obtaining unit 401 is specifically configured to:
And the OBU receives the state information of the traffic signal lamp sent by the RSU through the connection.
Optionally, the state information includes a current state of the traffic signal lamp and a time until a next state of a distance change.
Optionally, the obtaining unit 401 is specifically configured to:
And if the vehicle approaches the intersection where the traffic signal lamp is located and the distance between the vehicle and the intersection is smaller than the preset distance, acquiring the state information of the traffic signal lamp in front of the vehicle.
The above description is related to the apparatus 400 for displaying a traffic signal, wherein specific implementation manners and achieved effects can be referred to the description of the embodiment of the method for displaying a traffic signal shown in fig. 2, and are not repeated herein.
Furthermore, an embodiment of the present invention further provides an apparatus 500, as shown in fig. 5, where the apparatus 500 includes a processor 501 and a memory 502:
The memory 502 is used for storing computer programs;
the processor 501 is configured to execute the method for displaying a traffic signal in any one implementation manner in the corresponding embodiment of fig. 2 according to the computer program.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium is configured to store a computer program, where the computer program is configured to execute the method for displaying a traffic signal in any implementation manner in the embodiment corresponding to fig. 2.
The "first" in the names such as "first state information" mentioned in the embodiments of the present invention is used only for name identification, and does not represent the first in sequence. The same applies to "second" etc.
as can be seen from the above description of the embodiments, those skilled in the art can clearly understand that all or part of the steps in the above embodiment methods can be implemented by software plus a general hardware platform. With this understanding, the technical solution of the present invention can be embodied in the form of a software product, which can be stored in a storage medium, such as a read-only memory (ROM)/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network communication device such as a router, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present invention.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on different points from other embodiments. In particular, the apparatus embodiments and apparatus embodiments are substantially similar to the method embodiments and are therefore described in a relatively simple manner, where relevant reference may be had to the partial description of the method embodiments. The above-described embodiments of the apparatus and device are merely schematic, wherein modules described as separate parts may or may not be physically separate, and parts shown as modules may or may not be physical modules, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. It should be noted that, for a person skilled in the art, several modifications and refinements can be made without departing from the invention, and these modifications and refinements should be regarded as the protection scope of the present invention.
Claims (12)
1. A method of displaying a traffic signal, applied to a vehicle having a display module behind the vehicle, the method comprising:
acquiring state information of a traffic signal lamp in front of the vehicle;
And displaying the state information on the display module behind the vehicle, so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module.
2. The method of claim 1, wherein the obtaining the status information of the traffic signal comprises:
Acquiring an image including the traffic signal lamp;
identifying status information of the traffic signal in the image.
3. The method of claim 1, further comprising:
The vehicle establishes connection with a Road Side Unit (RSU) of the traffic signal lamp through an On Board Unit (OBU);
the acquiring of the state information of the traffic signal lamp comprises the following steps:
and the OBU of the vehicle receives the state information of the traffic signal lamp sent by the RSU through the connection.
4. The method according to any one of claims 1 to 3, wherein the status information includes a current status of the traffic signal lamp and a time for a distance change to a next status.
5. the method of claim 1,
And if the vehicle approaches the intersection where the traffic signal lamp is located and the distance between the vehicle and the intersection is less than the preset distance, acquiring the state information of the traffic signal lamp in front of the vehicle.
6. an apparatus for displaying a traffic signal, for use in a vehicle, the apparatus comprising:
An acquisition unit configured to acquire status information of a traffic light in front of the vehicle;
The display unit is used for displaying the state information behind the vehicle, so that traffic participants behind the vehicle can know the state information of the traffic signal lamp through the display module.
7. the apparatus of claim 6, wherein the obtaining unit comprises:
The acquisition subunit is used for acquiring an image comprising the traffic signal lamp;
And the identification subunit is used for identifying the state information of the traffic signal lamp in the image.
8. the apparatus of claim 6, further comprising:
the connection establishing unit is used for establishing connection between the OBU and the RSU of the traffic signal lamp;
the obtaining unit is specifically configured to:
And the OBU receives the state information of the traffic signal lamp sent by the RSU through the connection.
9. the apparatus of any one of claims 6 to 8, wherein the status information comprises a current status of the traffic signal lamp and a time for a distance change to a next status.
10. the apparatus according to claim 6, wherein the obtaining unit is specifically configured to:
and if the vehicle approaches the intersection where the traffic signal lamp is located and the distance between the vehicle and the intersection is smaller than the preset distance, acquiring the state information of the traffic signal lamp in front of the vehicle.
11. an apparatus, comprising a processor and a memory:
the memory is used for storing a computer program;
the processor is configured to perform the method of any one of claims 1 to 5 in accordance with the computer program.
12. A computer-readable storage medium for storing a computer program for performing the method of any one of claims 1 to 5.
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| CN201910866296.8A CN110544388A (en) | 2019-09-12 | 2019-09-12 | method and device for displaying traffic signal lamp |
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| CN111554108A (en) * | 2020-04-30 | 2020-08-18 | 深圳市金溢科技股份有限公司 | Traffic signal lamp display method, vehicle-mounted unit, road side unit and system |
| CN112950945A (en) * | 2021-02-23 | 2021-06-11 | 北京百度网讯科技有限公司 | Road side service unit, traffic prompting device, traffic prompting system and method |
| CN113808418A (en) * | 2021-08-30 | 2021-12-17 | 一汽解放汽车有限公司 | Road condition information display system, method, vehicle, computer device and storage medium |
| CN114399915A (en) * | 2022-01-31 | 2022-04-26 | 重庆长安汽车股份有限公司 | Traffic light intersection safety auxiliary system and operation method |
| CN114495544B (en) * | 2022-01-20 | 2023-09-19 | 智道网联科技(北京)有限公司 | Signal lamp state reminding method and device based on vehicle Lu Yun cooperation and electronic equipment |
| WO2023184468A1 (en) * | 2022-04-01 | 2023-10-05 | 华为技术有限公司 | Traffic signal status detection method and apparatus, and storage medium |
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