CN110930715A - Method and system for identifying red light running of non-motor vehicle and violation processing platform - Google Patents
Method and system for identifying red light running of non-motor vehicle and violation processing platform Download PDFInfo
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- CN110930715A CN110930715A CN201911147115.2A CN201911147115A CN110930715A CN 110930715 A CN110930715 A CN 110930715A CN 201911147115 A CN201911147115 A CN 201911147115A CN 110930715 A CN110930715 A CN 110930715A
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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
- G08G1/015—Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles
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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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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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
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
Abstract
The invention provides a method and a system for identifying red light running of a non-motor vehicle and a violation processing platform, wherein the identification method comprises the following steps: if the target vehicle enters a first radio frequency coverage area of first identification equipment, the violation processing platform receives electronic tag information of the target vehicle acquired by the first identification equipment and determines a first moment when the target vehicle enters the first radio frequency coverage area, and the first identification equipment is arranged at a first entrance of the intersection to be detected; determining a target vehicle corresponding to the electronic tag information, and setting the second identification equipment at a second entrance of the intersection to be detected at a second moment when the target vehicle drives into a second radio frequency coverage area of the second identification equipment; determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time; determining the state information of the traffic light arranged at the first entrance at the third moment; and if the state information indicates that the traffic light is in a red light lighting state, determining that the target vehicle is traffic violation.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to a method and a system for identifying red light running of a non-motor vehicle and a violation processing platform.
Background
The electric bicycle has the characteristics of light weight, labor saving, energy saving, environmental protection and moderate price, becomes an important transportation tool for people, and the traffic violation becomes more serious.
At present, the electric bicycle is mainly captured by a camera to judge violation or is judged by the field law enforcement of a traffic police. In the former, because the non-motor vehicle has a small volume, the recognition rate of the vehicle information of the non-motor vehicle is low through the image recognition technology, and misjudgment is easy to occur. The latter is inefficient in human judgment.
Therefore, the existing non-motor vehicle violation judgment efficiency is low.
Disclosure of Invention
The invention provides a method and a system for identifying red light running of a non-motor vehicle and a violation processing platform, which are used for improving the accuracy of violation judgment of the non-motor vehicle.
In a first aspect, an embodiment of the present invention provides a method for identifying a non-motor vehicle running a red light, including:
if a target vehicle enters a first radio frequency coverage area of first identification equipment, a violation processing platform receives electronic tag information of the target vehicle acquired by the first identification equipment and determines a first moment when the target vehicle enters the first radio frequency coverage area, wherein the first identification equipment is arranged at a first entrance of a to-be-detected intersection, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of second identification equipment, wherein the second identification equipment is arranged at a second entrance of the intersection to be detected;
determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time, and the third time represents a time when the target vehicle is located between the first entrance and the second entrance;
determining the state information of the traffic light arranged at the first entrance at the third moment;
and if the state information indicates that the traffic light is in a red light lighting state, determining that the target vehicle is traffic violation.
Optionally, the determining the target vehicle corresponding to the electronic tag information at a second time when the target vehicle enters a second radio frequency coverage area of a second identification device includes:
if the target vehicle enters a second radio frequency coverage area of the second identification device at the second entrance, receiving electronic tag information of the target vehicle, which is acquired by the second identification device;
establishing and storing a corresponding relation between the electronic tag information and the second moment, wherein the second moment is the moment when the target vehicle drives into the second radio frequency coverage area;
and determining the second moment when the target vehicle corresponding to the electronic tag information enters the second radio frequency coverage area according to the corresponding relation.
Optionally, the method further comprises:
storing first video information collected by the first identification device for the target vehicle from the second moment to the first moment along the direction of the first entrance pointing to the second entrance;
and if the target vehicle traffic violation occurs, outputting the first video information to prompt the user.
Optionally, after determining that the target vehicle is a traffic violation, the method further comprises:
determining a fourth time after the second time, the fourth time representing a time before the target vehicle passes a stop line at the second entrance;
determining a fifth time prior to the first time, the fifth time being indicative of a time at which the target vehicle is located at any position between the first and second entrances;
determining a sixth time between the fourth time and the fifth time, the sixth time being indicative of a time at which the target vehicle crossed the stop-line;
extracting image information corresponding to the target vehicle at the fourth moment, the fifth moment and the sixth moment from the first video information;
and if the target vehicle breaks the traffic regulations, outputting the image information to prompt the user.
Optionally, when the target vehicle enters the second radio frequency coverage area of the second identification device of the second entrance, the method further includes:
storing the image information of the target vehicle acquired by the second identification device at the second moment;
outputting the image information to prompt a user.
Optionally, the method further comprises:
storing second video information which is acquired by the second identification equipment for the target vehicle from the second moment to the first moment along the direction of the second entrance pointing to the first entrance;
and if the target vehicle traffic violation occurs, outputting the second video information to prompt the user.
Optionally, the determining the status information of the traffic light disposed at the first entrance at the third time includes:
storing a state information set of the traffic light in each time period from the second moment to the first moment;
and determining the state information of the traffic light at the third moment from the state information set.
In a second aspect, an embodiment of the present invention further provides a violation processing platform, including:
the system comprises a receiving unit, a violation processing platform and a first identification device, wherein the violation processing platform is used for receiving electronic tag information of a target vehicle acquired by the first identification device if the target vehicle enters a first radio frequency coverage area of the first identification device, the first identification device is arranged at a first entrance of a crossing to be detected, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
the first determining unit is used for determining a first moment when the target vehicle enters the first radio frequency coverage area;
the second determining unit is used for determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of second identification equipment, wherein the second identification equipment is arranged at a second entrance of the intersection to be detected;
a third determining unit, configured to determine a third time according to the first time and the second time, where the third time is a time after the second time and before the first time, and the third time indicates a time at which the target vehicle is located in the middle of the first entrance and the second entrance;
a fourth determining unit, configured to determine state information of a traffic light disposed at the first entrance at the third time;
and the fifth determining unit is used for determining that the target vehicle is traffic violation if the state information indicates that the traffic light is in a red light lighting state.
Optionally, the second determining unit is specifically configured to:
if the target vehicle enters a second radio frequency coverage area of the second identification device at the second entrance, receiving electronic tag information of the target vehicle, which is acquired by the second identification device;
establishing and storing a corresponding relation between the electronic tag information and the second moment, wherein the second moment is the moment when the target vehicle drives into the second radio frequency coverage area;
and determining the second moment when the target vehicle corresponding to the electronic tag information enters the second radio frequency coverage area according to the corresponding relation.
Optionally, the violation processing platform further comprises:
a storage unit, configured to store first video information that is captured by the first identification device for the target vehicle from the second time to the first time along a direction in which the first entrance points to the second entrance;
and the output unit is used for outputting the first video information to prompt a user if the traffic of the target vehicle is violated.
Optionally, the violation processing platform further comprises:
a processing unit for determining a fourth time after the second time, the fourth time representing a time before the target vehicle passes a stop line at the second entrance;
determining a fifth time prior to the first time, the fifth time being indicative of a time at which the target vehicle is located at any position between the first and second entrances;
determining a sixth time between the fourth time and the fifth time, the sixth time being indicative of a time at which the target vehicle crossed the stop-line;
extracting image information corresponding to the target vehicle at the fourth moment, the fifth moment and the sixth moment from the first video information;
the output unit is also used for outputting the image information to prompt a user if the traffic of the target vehicle is violated.
Optionally, the storage unit is further configured to store image information of the target vehicle, acquired by the second identification device at the second time;
the output unit is also used for outputting the image information to prompt a user if the traffic of the target vehicle is violated.
Optionally, the storage unit is further configured to store second video information, which is captured by the second identification device for the target vehicle from the second time to the first time, in a direction in which the second identification device points to the first entrance along the second entrance;
the output unit is further used for outputting the second video information to prompt a user if the target vehicle breaks the traffic regulations.
Optionally, the fourth determining unit is configured to:
storing a state information set of the traffic light in each time period from the second moment to the first moment;
and determining the state information of the traffic light at the third moment from the state information set.
In a third aspect, an embodiment of the present invention further provides a system for identifying that a non-motor vehicle runs a red light, including:
the system comprises a first identification device and a second identification device, wherein the first identification device is arranged at a first entrance of a to-be-detected intersection and used for acquiring electronic tag information of a target vehicle if the target vehicle enters a first radio frequency coverage area of the first identification device at a first moment, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
the second identification device is arranged at a second entrance of the intersection to be detected and used for acquiring the electronic tag information of the target vehicle if the target vehicle drives into a second radio frequency coverage area of the second identification device at a second moment;
the violation processing platform is used for receiving the electronic tag information of the target vehicle, which is respectively acquired by the first identification device and the second identification device; determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time; determining the state information of the traffic lights arranged at the road exit at the third moment; and if the state information indicates that the traffic light is in a red light lighting state, determining that the target vehicle is in traffic violation, wherein the third moment represents the moment when the target vehicle is positioned between the first entrance and the second entrance.
Optionally, the second identification device is configured to acquire image information of the target vehicle at the second time and send the image information to the violation processing platform.
Optionally, the first identification device is configured to collect video information of the target vehicle from the second moment to the first moment along a direction in which the first entrance points to the second entrance, and send the video information to the violation processing platform.
Optionally, the second identification device is configured to collect video information of the target vehicle from the second time to the first time along a direction in which the second entrance points to the first entrance, and send the video information to the violation processing platform.
Optionally, the identification system further comprises:
and the traffic light detector is used for acquiring a state information set of the traffic light in each time period from the second moment to the first moment and sending the state information set to the violation processing platform.
The invention has the following beneficial effects:
the invention provides a method and a system for identifying red light running of a non-motor vehicle and a violation processing platform, wherein the violation processing platform acquires electronic tag information of a target vehicle through a first identification device and a second identification device so as to determine the vehicle information of the target vehicle, determines a first moment when the target vehicle respectively enters a first entrance and a second moment when the target vehicle enters a second entrance of an intersection to be detected according to the electronic tag information, then judges the state information of a traffic light arranged at the first entrance at a third moment between the first moment and the second moment, and determines that the traffic of the target vehicle violates the regulations if the state information indicates that the traffic light is in a red light lighting state. That is to say, the target vehicle is identified through the electronic tag information of the target vehicle, and whether the target vehicle violates the regulations or not is judged according to the state information of the traffic light at the first entrance when the target vehicle enters the middle of the first entrance and the second entrance. The vehicle information of the target vehicle can be rapidly determined directly through the identification of the electronic tag information in the whole process, and the violation judgment is directly carried out based on the state information of the traffic light when the target vehicle enters between the two entrances, so that the whole process is simple and efficient, and the accuracy of the violation judgment of the non-motor vehicle is improved.
Drawings
Fig. 1 is a flowchart of a method for identifying red light running of a non-motor vehicle according to an embodiment of the present invention;
fig. 2 is a flowchart of a method of step S102 in a method for identifying red light running of a non-motor vehicle according to an embodiment of the present invention;
fig. 3 is a flowchart of another method for identifying red light running of a non-motor vehicle according to an embodiment of the present invention;
fig. 4 is a flowchart of a method after step S105 in a method for identifying a red light violation of a non-motor vehicle according to an embodiment of the present invention;
fig. 5 is a flowchart of another method for identifying red light running of a non-motor vehicle according to an embodiment of the present invention;
fig. 6 is a flowchart of another method for identifying red light running of a non-motor vehicle according to an embodiment of the present invention;
fig. 7 is a flowchart of a method of step S104 in a method for identifying red light running of a non-motor vehicle according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a violation processing platform according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an identification system for a non-motor vehicle running red light according to an embodiment of the present invention;
fig. 10 is a schematic view of an arrangement of one device of an intersection to be detected in the system for identifying red light running of a non-motor vehicle according to the embodiment of the present invention.
Detailed Description
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to better understand the technical solutions of the present invention, the technical solutions of the present invention are described in detail below with reference to the drawings and the specific embodiments, and it should be understood that the specific features in the embodiments and the embodiments of the present invention are detailed descriptions of the technical solutions of the present invention, and are not limitations of the technical solutions of the present invention, and the technical features in the embodiments and the embodiments of the present invention may be combined with each other without conflict.
Since the size of non-motor vehicles such as electric bicycles is small, if the relevant features of the non-motor vehicles need to be extracted through an image processing technology, a camera with higher resolution and higher image processing capability is required. However, the method is limited by the existing image processing technology, the existing feature recognition accuracy of the non-motor vehicle is low, and based on the feature recognition accuracy, the misjudgment rate of the traffic violation judgment is high.
In view of this, an embodiment of the present invention provides a method for identifying a red light violation of a non-motor vehicle, as shown in fig. 1, which may include the following steps:
s101: if a target vehicle enters a first radio frequency coverage area of first identification equipment, a violation processing platform receives electronic tag information of the target vehicle acquired by the first identification equipment and determines a first moment when the target vehicle enters the first radio frequency coverage area, wherein the first identification equipment is arranged at a first entrance of a to-be-detected intersection, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
in a specific implementation, the target vehicle may be an electric bicycle, a motorcycle, a bicycle, or the like. The first identification device may be a reader based on Radio Frequency Identification (RFID) technology, and the first Radio frequency coverage area of the first identification device is specifically an area where the first identification device can acquire electronic tag information of a target vehicle. The electronic tag information may include information such as a brand, a name, a model, a date of delivery, an engine number, a frame number, a license plate number, a vehicle attribution, a driving license, and the like of the vehicle, which is not limited herein.
S102: determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of second identification equipment, wherein the second identification equipment is arranged at a second entrance of the intersection to be detected;
in a specific implementation process, the second identification device may be a reader-writer based on RFID technology. And when the first entrance is the entrance of the target vehicle which exits from the intersection to be detected, the second entrance is the entrance of the target vehicle which enters into the intersection to be detected.
S103: determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time, and the third time represents a time when the target vehicle is located between the first entrance and the second entrance;
in a specific implementation process, when the first time is a time when the target vehicle exits from the intersection to be tested, and the second time is a time when the target vehicle enters the intersection to be tested, a time between the first time and the second time can be used as a third time.
S104: determining the state information of the traffic light arranged at the first entrance at the third moment;
in the specific implementation process, each entrance is provided with a corresponding traffic light, and the state information of each light can be a green light lighting state or a red light lighting state.
S105: and if the state information indicates that the traffic light is in a red light lighting state, determining that the traffic of the target vehicle violates the regulations.
The invention provides a method and a system for identifying red light running of a non-motor vehicle and a violation processing platform, wherein the violation processing platform acquires electronic tag information of a target vehicle through a first identification device and a second identification device so as to determine the vehicle information of the target vehicle, determines a first moment when the target vehicle respectively enters a first entrance and a second moment when the target vehicle enters a second entrance of an intersection to be detected according to the electronic tag information, then judges the state information of a traffic light arranged at the first entrance at a third moment between the first moment and the second moment, and determines that the traffic of the target vehicle violates the regulations if the state information indicates that the traffic light is in a red light lighting state. That is to say, the target vehicle is identified through the electronic tag information of the target vehicle, and whether the target vehicle violates the regulations or not is judged according to the state information of the traffic light at the first entrance when the target vehicle enters the middle of the first entrance and the second entrance. The vehicle information of the target vehicle can be rapidly determined directly through the identification of the electronic tag information in the whole process, and the violation judgment is directly carried out based on the state information of the traffic light when the target vehicle enters between the two entrances, so that the whole process is simple and efficient, and the accuracy of the violation judgment of the non-motor vehicle is improved.
In the embodiment of the present invention, if the first time is T1, and the second time is T2, the third time T3 is T2+ a, where a is a time adjustment factor, and the time adjustment factor a may be a time value determined according to a length between the first entrance and the second entrance in the intersection to be measured, and by combining an empirical speed of the vehicle running the red light at the length. For example, when the distance between the first entrance and the second entrance is 30m, and the experienced speed of the non-motor vehicle running the red light is 20km/h, the required time length of the target vehicle from the second entrance to the first entrance is about 5s, and half of the passing time length is used as the time adjustment factor a, for example, a can be set to 3 s. The empirical speed of the non-motor vehicle running the red light can be obtained by analyzing a large amount of traffic monitoring data of the intersection to be detected. In a specific implementation process, a corresponding time adjustment factor a can be set for each intersection. Through the time adjustment factor a, the estimated target vehicle is located at a position closer to the middle position between the first entrance and the second entrance at the third moment, and the state of the traffic light is judged at the moment, so that the accuracy of the violation judgment of the target vehicle is improved.
In the specific implementation process, when the second entrance points to the first entrance in the south-to-north direction, the violation processing platform can judge whether the target vehicle runs red light south-to-north. When the second entrance points to the first entrance in the south-to-east direction, the violation processing platform can judge that the target vehicle turns to the south to the east and runs the red light. Of course, the red light running determination can be performed according to the actual situation of the intersection to be detected, and is not limited herein.
In the embodiment of the present invention, as shown in fig. 2, step S102: determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of second identification equipment, wherein the second moment comprises the following steps:
s201: if the target vehicle enters a second radio frequency coverage area of the second identification device at the second entrance, receiving electronic tag information of the target vehicle, which is acquired by the second identification device;
s202: establishing and storing a corresponding relation between the electronic tag information and the second moment, wherein the second moment is the moment when the target vehicle drives into the second radio frequency coverage area;
s203: and determining the second moment when the target vehicle corresponding to the electronic tag information enters the second radio frequency coverage area according to the corresponding relation.
In the specific implementation process, the specific implementation process of step S201 to step S203 is as follows:
in the embodiment of the invention, a reader-writer for identifying the vehicle information of the non-motor vehicle is correspondingly arranged at each entrance of the intersection to be detected. Specifically, when the target vehicle enters a second radio frequency coverage area of the second identification device at the second entrance, the violation processing platform receives the electronic tag information of the target vehicle, which is acquired by the second identification device. And then, establishing and storing a corresponding relation between the target vehicle and the electronic tag information and a second moment, wherein the second moment is the moment when the target vehicle enters the second radio frequency coverage area. That is to say, when the target vehicle enters the second entrance and the corresponding electronic tag information can be acquired by the second identification device, the second identification device acquires the electronic tag information of the target vehicle and sends the electronic tag information to the violation processing platform. And establishing and storing a corresponding relation between the electronic tag information and the second moment by the violation processing platform, for example, the target vehicle A: electronic tag a-second time T2; the target vehicle B: electronic label b-second moment T2'. And then, according to the corresponding relation, determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area. Therefore, before the target vehicle enters the first entrance, the violation processing platform stores the corresponding relation between the electronic tag information of the target vehicle and the second time when the target vehicle enters the second entrance in advance. In this way, when the target vehicle enters the first entrance, the violation processing platform determines the second moment when the target vehicle enters the second entrance from the pre-stored corresponding relation according to the electronic tag information collected and sent by the first identification device. Therefore, the accurate judgment of the moment when the target vehicle enters the corresponding entrance is ensured, and the accuracy of violation judgment is improved.
In the embodiment of the present invention, as shown in fig. 3, the method further includes:
s301: storing first video information collected by the first identification device for the target vehicle from the second moment to the first moment along the direction of the first entrance pointing to the second entrance;
s302: and if the target vehicle traffic violation occurs, outputting the first video information to prompt the user.
In a specific implementation process, the first identification device is integrated with an image collector besides a reader-writer. The image collector is used for carrying out real-time video collection on vehicles coming and going at corresponding entrances of the intersection to be detected. When the first identification device acquires videos of vehicles coming and going at the corresponding entrance of the intersection to be detected along the direction in which the first entrance points to the second entrance, the first identification device can be specifically stored for the first video information acquired by the target vehicle from the second moment to the first moment along the direction in which the first entrance points to the second entrance. For example, the first video information collected by the first recognition device disposed at the entrance Y is the video information collected in the direction facing the driver when the target vehicle C enters from the entrance X and exits from the entrance Y. If the red light running identification method provided by the embodiment of the invention determines that the target vehicle breaks the traffic regulations, the first video information is output to prompt the user, namely, the violation evidence of the target vehicle is provided for the user, and the user experience is improved.
In the embodiment of the present invention, as shown in fig. 4, in step S105: after determining the target vehicle traffic violation, the method further comprises:
s401: determining a fourth time after the second time, the fourth time representing a time before the target vehicle passes a stop line at the second entrance;
s402: determining a fifth time prior to the first time, the fifth time being indicative of a time at which the target vehicle is located at any position between the first and second entrances;
s403: determining a sixth time between the fourth time and the fifth time, the sixth time being indicative of a time at which the target vehicle crossed the stop-line;
s404: extracting image information corresponding to the target vehicle at the fourth moment, the fifth moment and the sixth moment from the first video information;
s405: and if the target vehicle breaks the traffic regulations, outputting the image information to prompt the user.
In a specific implementation process, for steps S401 and S402, step S401 may be executed first, and then step S402 may be executed; step S402 may be executed first, and then step S401 may be executed; and is not limited thereto. Fig. 4 shows only one case where step S401 is performed first and then step S402 is performed. Specifically, a fourth time T4 is determined after the second time T2, the fourth time T4 representing a time before the subject vehicle passes the stop line at the second entrance. That is, after the second time T2 is determined, the time before the subject vehicle passes the stop line at the second entrance is estimated. Specifically, T4 may be T2+ b, where the specific value of b may be determined according to the time between when a large number of non-motor vehicles enter the second radio frequency coverage area of the intersection to be tested and when the non-motor vehicles exit the second entrance, for example, b may be 1 s. For example, the second recognition device is disposed at a position 10m from the stop line at the second entrance, and the specific value of b may be determined according to the time required for the non-motor vehicle to reach the stop line from the position where the second recognition device is located. Of course, those skilled in the art may also adopt different means to determine the fourth time T4 after the second time T2 according to actual needs, and the determination is not limited herein.
After determining a first time T1 when the subject vehicle enters the first radio frequency coverage area, a fifth time T5 before the first time T1 is estimated, the fifth time T5 being indicative of a time at which the subject vehicle is located at any position between the first entrance and the second entrance. That is, the time when the target vehicle is located at the first entrance and the second entrance, i.e., travels between the first entrance and the second entrance of the intersection to be measured, is estimated. Specifically, the estimation can be performed by the formula T5 ═ T2-c. The specific value of c may be determined according to the time between a large number of non-motor vehicles entering the second entrance from the second entrance to the intersection to be tested, for example, c is 1 s. For example, when the distance between the first entrance and the second entrance is 40m, the time required for the target vehicle to travel from the second entrance to 20m may be taken as the value c. Of course, those skilled in the art may also adopt different means to determine the fifth time T5 before the first time T1 according to actual needs, and the method is not limited herein.
After estimating the fourth time T4 and the fifth time T5, a sixth time T6 is estimated which is located between the fourth time T4 and the fifth time T5, the sixth time T6 representing the time at which the target vehicle crosses the stop line. The closer the sixth time T6 is to the time when the target vehicle travels between the first entrance and the second entrance, the higher the violation determination for the target vehicle is determined to be. Specifically, the sixth time T6 may be estimated by using the formula T6 ═ (T4+ T5) × d, 0< d < 1. For example, when d is 1/2, the sixth time T6 is (T4+ T5)/2. Of course, those skilled in the art may also use different means to determine the sixth time T6 between the fourth time T4 and the fifth time T5 according to actual needs, and the determination is not limited herein.
After the fourth time T4, the fifth time T5, and the sixth time T6 are determined, the image information corresponding to the target vehicle at the fourth time T4, the fifth time T5, and the sixth time T6, respectively, may be extracted from the first video information for the target vehicle collected by the first recognition device. For example, the fourth time T4 corresponds to the image P1, the fifth time T5 corresponds to the image P2, and the sixth time T6 corresponds to the image P3. If the target vehicle breaks the traffic violation, the images P1, P2 and P3 of the target vehicle are output, so that relevant evidence is provided for the traffic violation of the target vehicle. The method and the device improve the use experience of the user while ensuring the accurate judgment of the traffic violation of the target vehicle.
In an embodiment of the present invention, as shown in fig. 5, when the target vehicle enters the second rf coverage area of the second identification device of the second entrance, the method further includes:
s501: storing the image information of the target vehicle acquired by the second identification device at the second moment;
s502: and if the target vehicle breaks the traffic regulations, outputting the image information to prompt the user.
In particular implementation, when the target vehicle enters the second radio frequency coverage area of the second identification device of the second entrance once, the second identification device acquires image information of the target vehicle at a second moment, such as P0. At the moment, the target vehicle is closer to the second identification device, so that the collected image information P0 has clear characteristics, and clear evidence can be provided for the target vehicle during traffic violation. If the target vehicle breaks the traffic rules, the image information can be output, and the user can clearly determine that the target vehicle breaks the traffic rules, so that misjudgment of the traffic rules of the target vehicle is effectively avoided, and the use experience of the user is improved.
In the embodiment of the present invention, as shown in fig. 6, the method further includes:
s601: storing second video information which is acquired by the second identification equipment for the target vehicle from the second moment to the first moment along the direction of the second entrance pointing to the first entrance;
s602: and if the target vehicle traffic violation occurs, outputting the second video information to prompt the user.
In a specific implementation process, the second identification device can acquire video information of the target vehicle in real time along the direction in which the second entrance points to the first entrance. Second video information collected by the second identification device for the target vehicle in the direction of the second entrance toward the first entrance from the second time T2 to the first time T1 is included. Specifically, the second recognition device captures a video of the target vehicle in real time as the target vehicle travels from the first entrance to the second entrance, and stores second video information captured for the target vehicle from the second time T2 to the first time T1 in a direction in which the second recognition device points toward the first entrance along the second entrance. For example, the target vehicle drives from an X entrance to a Y entrance of the intersection to be detected, and the identification device B arranged at the Y entrance performs video acquisition on the target vehicle, where the obtained video information includes a front video of the driver and a front video of the target vehicle. And if the traffic of the target vehicle breaks rules and regulations, outputting the corresponding front video information of the target vehicle to the user, thereby providing more effective evidences for judging the violation rules and improving the use experience of the user.
In the embodiment of the present invention, as shown in fig. 7, step S104: determining the state information of the traffic light arranged at the first entrance at the third moment, including:
s701: storing a state information set of the traffic light in each time period from the second moment to the first moment;
s702: determining the state information of the traffic light at the third moment from the state information set;
s703: and if the state information indicates that the traffic light is in a red light lighting state, determining that the traffic of the target vehicle violates the regulations.
In the specific implementation process, the violation processing platform can store the state information set of each time slot of the traffic light from the second time T2 to the first time T1 in real time. Specifically, the violation processing platform can store the state information of the traffic light at each entrance of the intersection to be detected in real time to obtain a corresponding state information set. Thus, after the third time T3 when the target vehicle is located between the first entrance and the second entrance is estimated, the state information of the traffic light arranged at the first entrance at the third time T3 can be determined according to the stored state information set of the traffic light, and if the state information indicates that the traffic light is in a red light lighting state, the target vehicle is determined to be in traffic violation.
Based on the same inventive concept, as shown in fig. 8, an embodiment of the present invention further provides a violation processing platform, including:
the system comprises a receiving unit 10, a violation processing platform and a control unit, wherein the receiving unit is used for receiving electronic tag information of a target vehicle acquired by a first identification device if the target vehicle enters a first radio frequency coverage area of the first identification device, the first identification device is arranged at a first entrance of a to-be-detected intersection, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
a first determining unit 20, configured to determine a first time when the target vehicle enters the first radio frequency coverage area;
a second determining unit 30, configured to determine a second time when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of a second identification device, where the second identification device is disposed at a second entrance of the intersection to be detected;
a third determining unit 40, configured to determine a third time according to the first time and the second time, where the third time is a time after the second time and before the first time, and the third time indicates a time when the target vehicle is located in the middle between the first entrance and the second entrance;
a fourth determining unit 50, configured to determine status information of a traffic light disposed at the first entrance at the third time;
a fifth determining unit 60, configured to determine that the target vehicle is a traffic violation if the state information indicates that the traffic light is in a red light lighting state.
The operating principle and the specific implementation mode of the violation processing platform are the same as those of the embodiment of the non-motor vehicle red light running identification method. Therefore, the working process of the violation processing platform can be implemented by referring to the specific implementation manner of the red light running identification method in the above embodiment, and details are not described herein.
In particular implementation, in the embodiment of the present invention, the receiving unit 10, the first determining unit 20, the second determining unit 30, the third determining unit 40, the fourth determining unit 50, and the fifth determining unit 60 may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Of course, in practical applications, the above units may be designed and determined according to practical application environments, and are not limited herein.
In the embodiment of the present invention, the second determining unit 30 is specifically configured to:
if the target vehicle enters a second radio frequency coverage area of the second identification device at the second entrance, receiving electronic tag information of the target vehicle, which is acquired by the second identification device;
establishing and storing a corresponding relation between the electronic tag information and the second moment, wherein the second moment is the moment when the target vehicle drives into the second radio frequency coverage area;
and determining the second moment when the target vehicle corresponding to the electronic tag information enters the second radio frequency coverage area according to the corresponding relation.
In an embodiment of the present invention, the violation processing platform further includes:
a storage unit, configured to store first video information that is captured by the first identification device for the target vehicle from the second time to the first time along a direction in which the first entrance points to the second entrance;
and the output unit is used for outputting the first video information to prompt a user if the traffic of the target vehicle is violated.
In an embodiment of the present invention, the violation processing platform further includes:
a processing unit for determining a fourth time after the second time, the fourth time representing a time before the target vehicle passes a stop line at the second entrance;
determining a fifth time prior to the first time, the fifth time being indicative of a time at which the target vehicle is located at any position between the first and second entrances;
determining a sixth time between the fourth time and the fifth time, the sixth time being indicative of a time at which the target vehicle crossed the stop-line;
extracting image information corresponding to the target vehicle at the fourth moment, the fifth moment and the sixth moment from the first video information;
the output unit is also used for outputting the image information to prompt a user if the traffic of the target vehicle is violated.
In the embodiment of the present invention, the storage unit is further configured to store the image information of the target vehicle, which is acquired by the second identification device at the second time;
the output unit is also used for outputting the image information to prompt a user if the traffic of the target vehicle is violated.
In an embodiment of the present invention, the storage unit is further configured to store second video information, which is captured for the target vehicle from the second time to the first time, of the second identification device along a direction in which the second entrance points to the first entrance;
the output unit is further used for outputting the second video information to prompt a user if the target vehicle breaks the traffic regulations.
In the embodiment of the present invention, the fourth determining unit 50 is configured to:
storing a state information set of the traffic light in each time period from the second moment to the first moment;
and determining the state information of the traffic light at the third moment from the state information set.
Based on the same inventive concept, please refer to fig. 9, an embodiment of the present invention further provides a system for identifying a non-motor vehicle running a red light, including:
the first identification device 70 is arranged at a first entrance of the intersection to be detected, and the first identification device 70 is used for acquiring electronic tag information of a target vehicle if the target vehicle enters a first radio frequency coverage area of the first identification device 70 at a first moment, wherein the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
the second identification device 80 is arranged at a second entrance of the intersection to be detected, and the second identification device 80 is used for acquiring the electronic tag information of the target vehicle if the target vehicle drives into a second radio frequency coverage area of the second identification device 80 at a second moment;
the violation processing platform 90 is configured to receive electronic tag information of the target vehicle, which is acquired by the first identification device 70 and the second identification device 80 respectively; determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time; determining the state information of the traffic lights arranged at the road exit at the third moment; and if the state information indicates that the traffic light is in a red light lighting state, determining that the target vehicle is in traffic violation, wherein the third moment represents the moment when the target vehicle is positioned between the first entrance and the second entrance.
In a specific implementation, the first identification device 70 may be a device integrating a reader/writer and a camera. The second recognition device 80 may be a reader/writer and camera integrated device. The first recognition device 70 may be provided at a position spaced apart from the stop line of the first entrance by a predetermined distance, for example, the first recognition device 70 may be provided on a support bar for being spaced apart from the stop line 10m of the first entrance. Of course, other arrangements are also possible, and are not limited herein.
In a specific implementation process, one identification device may be correspondingly arranged at each entrance of the intersection to be detected.
In the embodiment of the present invention, the first identification device 70 and the second identification device 80 are readers/writers that may be based on RFID technology. The two are respectively connected with the violation processing platform 90 in a wireless or wired mode, after the reader collects the electronic tag information of the target vehicle, the reader sends the obtained electronic tag information to the violation processing platform 90, and the violation processing platform judges the violation of the target vehicle.
In the embodiment of the present invention, the second identification device 80 is configured to collect image information of the target vehicle at the second time and send the image information to the violation processing platform 90.
In the technical solution of the embodiment of the present invention, the first identification device 70 is configured to collect video information of the target vehicle from the second time to the first time along a direction in which the first entrance points to the second entrance, and send the video information to the violation processing platform 90.
In the technical solution of the embodiment of the present invention, the second identification device 80 is configured to collect video information of the target vehicle from the second time to the first time along a direction in which the second entrance points to the first entrance, and send the video information to the violation processing platform 90.
In the technical solution of the embodiment of the present invention, the identification system further includes:
and the traffic light detector 100 is configured to acquire a state information set of the traffic light at each time period from the second time to the first time, and send the state information set to the violation processing platform 90.
In the specific implementation process, a traffic light detector may be correspondingly arranged at each entrance of the intersection to be detected, or only one traffic light detector 100 may be arranged at each intersection to be detected. For example, when there are 4 entrances at the intersection to be detected, a traffic light detector 100 may be arranged at each of the 4 entrances, or a traffic light detector 100 may be arranged at each of the 4 entrances, and the state information of the traffic lights at the four entrances is collected. In practical applications, the traffic light detector 100 may also be disposed according to practical application scenarios, which are not limited herein.
In a specific implementation process, the traffic light detector 100 may directly send the state information set of the traffic light in each time period from the second time to the first time to the violation processing platform 90; the traffic light detector 100 may also send the state information set of the traffic light in each time period from the second time to the first identification device 70 or the second identification device 80, and then the first identification device 70 or the second identification device 80 sends the corresponding state information set of the traffic light to the violation processing platform 90. In practical applications, the violation processing platform 90 may also obtain the status information set in a manner, which is not limited herein.
Based on the recognition system for the non-motor vehicle running the red light provided by the embodiment of the invention, in the intersection to be detected as shown in fig. 10, the arrangement conditions of all the devices are that the entrance X is provided with the recognition device A, the entrance Y is provided with the recognition device B, the entrance Z is provided with the recognition device C, the entrance W is provided with the recognition device D, each entrance is provided with the traffic light, and the 4 entrances share one traffic light detector 100. Wherein, the identification device A, B and the violation processing platform 90 can judge that the red light running from south to north is straight; the identification device A, C and the violation processing platform 90 can judge that the driver turns to the south to the east and runs the red light right; a determination that a red light is running from a south to west left turn may be made by the identification device A, D and the violation processing platform 90.
The invention provides a method and a system for identifying red light running of a non-motor vehicle and a violation processing platform, wherein the violation processing platform acquires electronic tag information of a target vehicle through a first identification device and a second identification device so as to determine the vehicle information of the target vehicle, determines a first moment when the target vehicle respectively enters a first entrance and a second moment when the target vehicle enters a second entrance of an intersection to be detected according to the electronic tag information, then judges the state information of a traffic light arranged at the first entrance at a third moment between the first moment and the second moment, and determines that the traffic of the target vehicle violates the regulations if the state information indicates that the traffic light is in a red light lighting state. That is to say, the target vehicle is identified through the electronic tag information of the target vehicle, and whether the target vehicle violates the regulations or not is judged according to the state information of the traffic light at the first entrance when the target vehicle enters the middle of the first entrance and the second entrance. The vehicle information of the target vehicle can be rapidly determined directly through the identification of the electronic tag information in the whole process, and the violation judgment is directly carried out based on the state information of the traffic light when the target vehicle enters between the two entrances, so that the whole process is simple and efficient, and the accuracy of the violation judgment of the non-motor vehicle is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (13)
1. A method for identifying red light running of a non-motor vehicle is characterized by comprising the following steps:
if a target vehicle enters a first radio frequency coverage area of first identification equipment, a violation processing platform receives electronic tag information of the target vehicle acquired by the first identification equipment and determines a first moment when the target vehicle enters the first radio frequency coverage area, wherein the first identification equipment is arranged at a first entrance of a to-be-detected intersection, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of second identification equipment, wherein the second identification equipment is arranged at a second entrance of the intersection to be detected;
determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time, and the third time represents a time when the target vehicle is located between the first entrance and the second entrance;
determining the state information of the traffic light arranged at the first entrance at the third moment;
and if the state information indicates that the traffic light is in a red light lighting state, determining that the traffic of the target vehicle violates the regulations.
2. The method of claim 1, wherein the determining the target vehicle corresponding to the electronic tag information at a second time when entering a second radio frequency coverage area of a second identification device comprises:
if the target vehicle enters a second radio frequency coverage area of the second identification device at the second entrance, receiving electronic tag information of the target vehicle, which is acquired by the second identification device;
establishing and storing a corresponding relation between the electronic tag information and the second moment, wherein the second moment is the moment when the target vehicle drives into the second radio frequency coverage area;
and determining the second moment when the target vehicle corresponding to the electronic tag information enters the second radio frequency coverage area according to the corresponding relation.
3. The method of claim 1, wherein the method further comprises:
storing first video information collected by the first identification device for the target vehicle from the second moment to the first moment along the direction of the first entrance pointing to the second entrance;
and if the target vehicle traffic violation occurs, outputting the first video information to prompt the user.
4. The method of claim 3, wherein after determining that the target vehicle is a traffic violation, the method further comprises:
determining a fourth time after the second time, the fourth time representing a time before the target vehicle passes a stop line at the second entrance;
determining a fifth time prior to the first time, the fifth time being indicative of a time at which the target vehicle is located at any position between the first and second entrances;
determining a sixth time between the fourth time and the fifth time, the sixth time being indicative of a time at which the target vehicle crossed the stop-line;
extracting image information corresponding to the target vehicle at the fourth moment, the fifth moment and the sixth moment from the first video information;
outputting the image information to prompt a user.
5. The method of claim 1, wherein when the target vehicle enters the second radio frequency coverage area of the second identification device of the second portal, the method further comprises:
storing the image information of the target vehicle acquired by the second identification device at the second moment;
and if the target vehicle breaks the traffic regulations, outputting the image information to prompt the user.
6. The method of claim 1, wherein the method further comprises:
storing second video information which is acquired by the second identification equipment for the target vehicle from the second moment to the first moment along the direction of the second entrance pointing to the first entrance;
and if the target vehicle traffic violation occurs, outputting the second video information to prompt the user.
7. The method of claim 1, wherein the determining the status information of the traffic light disposed at the first entrance at the third time comprises:
storing a state information set of the traffic light in each time period from the second moment to the first moment;
and determining the state information of the traffic light at the third moment from the state information set.
8. A violation processing platform, comprising:
the system comprises a receiving unit, a violation processing platform and a first identification device, wherein the violation processing platform is used for receiving electronic tag information of a target vehicle acquired by the first identification device if the target vehicle enters a first radio frequency coverage area of the first identification device, the first identification device is arranged at a first entrance of a crossing to be detected, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
the first determining unit is used for determining a first moment when the target vehicle enters the first radio frequency coverage area;
the second determining unit is used for determining a second moment when the target vehicle corresponding to the electronic tag information enters a second radio frequency coverage area of second identification equipment, wherein the second identification equipment is arranged at a second entrance of the intersection to be detected;
a third determining unit, configured to determine a third time according to the first time and the second time, where the third time is a time after the second time and before the first time, and the third time indicates a time at which the target vehicle is located in the middle of the first entrance and the second entrance;
a fourth determining unit, configured to determine state information of a traffic light disposed at the first entrance at the third time;
and the fifth determining unit is used for determining that the target vehicle is traffic violation if the state information indicates that the traffic light is in a red light lighting state.
9. A system for identifying red light running by a non-motor vehicle, comprising:
the system comprises a first identification device and a second identification device, wherein the first identification device is arranged at a first entrance of a to-be-detected intersection and used for acquiring electronic tag information of a target vehicle if the target vehicle enters a first radio frequency coverage area of the first identification device at a first moment, the electronic tag information is used for uniquely identifying the target vehicle, and the target vehicle is a non-motor vehicle;
the second identification device is arranged at a second entrance of the intersection to be detected and used for acquiring the electronic tag information of the target vehicle if the target vehicle drives into a second radio frequency coverage area of the second identification device at a second moment;
the violation processing platform is used for receiving the electronic tag information of the target vehicle, which is respectively acquired by the first identification device and the second identification device; determining a third time according to the first time and the second time, wherein the third time is a time after the second time and before the first time; determining the state information of the traffic lights arranged at the road exit at the third moment; and if the state information indicates that the traffic light is in a red light lighting state, determining that the target vehicle is in traffic violation, wherein the third moment represents the moment when the target vehicle is positioned between the first entrance and the second entrance.
10. The identification system of claim 9 wherein the second identification device is adapted to collect image information of the target vehicle at the second time and transmit the image information to the violation processing platform.
11. The identification system of claim 9 wherein the first identification device is adapted to collect and transmit video information of the target vehicle from the second time to the first time to the violation processing platform in a direction from the first entrance toward the second entrance.
12. The identification system of claim 9 wherein the second identification device is adapted to capture video information of the target vehicle from the second time to the first time along the direction the second entrance is directed toward the first entrance and transmit the video information to the violation processing platform.
13. The identification system of claim 9, wherein the identification system further comprises:
and the traffic light detector is used for acquiring a state information set of the traffic light in each time period from the second moment to the first moment and sending the state information set to the violation processing platform.
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| CN112699773B (en) * | 2020-12-28 | 2023-09-01 | 阿波罗智联(北京)科技有限公司 | Traffic light identification method and device and electronic equipment |
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| CN114582138A (en) * | 2022-02-23 | 2022-06-03 | 李佩恒 | Electric vehicle violation monitoring method based on radio frequency wireless transmission technology |
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