CN112863199A - Vehicle speed monitoring method, system and device and storage medium - Google Patents
Vehicle speed monitoring method, system and device and storage medium Download PDFInfo
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- CN112863199A CN112863199A CN202011639251.6A CN202011639251A CN112863199A CN 112863199 A CN112863199 A CN 112863199A CN 202011639251 A CN202011639251 A CN 202011639251A CN 112863199 A CN112863199 A CN 112863199A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—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 application discloses a vehicle speed monitoring method, a vehicle speed monitoring system, a vehicle speed monitoring device and a storage medium. The method comprises the steps of collecting license plate information of a vehicle, and uploading the license plate information to an upper computer system; determining the identity code of the vehicle according to the license plate information; inquiring the speed data of the vehicle in a CAN bus according to the identity code; wherein the vehicle speed data is obtained by the steps of: bus data of the vehicle are collected through a data collection terminal; the data acquisition terminal is arranged on the vehicle; and forwarding the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyzing the bus data through the CAN bus to obtain the vehicle speed data of the vehicle. The vehicle speed monitoring method can effectively improve the vehicle speed monitoring precision of the vehicle, improve the accuracy of vehicle speed monitoring and is beneficial to reducing the labor cost of vehicle monitoring. The method and the device can be widely applied to the technical field of vehicle monitoring.
Description
Technical Field
The present application relates to the field of vehicle monitoring technologies, and in particular, to a vehicle speed monitoring method, system, device, and storage medium.
Background
With the development of economy and the advancement of information technology, the technology of internet of things starts to be applied in a plurality of scenes. For example, in the technical field of vehicle monitoring, the vehicle speed is an important index for monitoring, and the vehicle speed can be analyzed through video monitoring so as to conveniently judge whether the vehicle exceeds the highest speed limit of the vehicle specified by a road management department.
However, in the related art, in an application scenario of vehicle monitoring and analysis, the existing video monitoring and analysis method can only perform analysis based on the collected monitoring video, or locate and detect the running speed of the vehicle based on the GPS technology. These methods are often controversial in determining the speed of the vehicle after an accident, for example, the video may have poor definition, or the GPS positioning may have deviation and have a delay problem, resulting in inaccurate vehicle speed monitoring data. In view of the above, there is a need to solve the technical problems in the related art.
Disclosure of Invention
The present application aims to solve at least one of the technical problems in the related art to some extent.
Therefore, an object of the embodiments of the present application is to provide a vehicle speed monitoring method, which can effectively improve the vehicle speed monitoring precision and is low in implementation cost.
It is another object of an embodiment of the present application to provide a vehicle speed monitoring system.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the application comprises the following steps:
in a first aspect, an embodiment of the present application provides a vehicle speed monitoring method, including:
collecting license plate information of a vehicle, and uploading the license plate information to an upper computer system;
determining the identity code of the vehicle according to the license plate information;
inquiring the speed data of the vehicle in a CAN bus according to the identity code;
wherein the vehicle speed data is obtained by the steps of:
bus data of the vehicle are collected through a data collection terminal; the data acquisition terminal is arranged on the vehicle;
and forwarding the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyzing the bus data through the CAN bus to obtain the vehicle speed data of the vehicle.
In addition, according to the vehicle speed monitoring method of the above embodiment of the present application, the following additional technical features may also be provided:
further, in one embodiment of the present application, the method further comprises the steps of:
comparing the vehicle speed data with a preset vehicle speed threshold;
and when the vehicle speed data is higher than the vehicle speed threshold, generating overspeed record information according to the license plate information.
Further, in an embodiment of the present application, the analyzing the bus data through the CAN bus to obtain the vehicle speed data of the vehicle includes:
determining a transmission protocol of bus data of the vehicle;
determining vehicle speed message information in the bus data according to the transmission protocol;
and acquiring the vehicle speed message information through the CAN bus to obtain the vehicle speed data.
Further, in an embodiment of the present application, the vehicle speed message information is obtained through the following steps:
acquiring the running speed of the vehicle through a vehicle speed sensor;
and signaling the running speed through the transmission protocol to obtain vehicle speed message information.
In a second aspect, an embodiment of the present application provides a vehicle speed monitoring system, including:
the first acquisition unit is used for acquiring license plate information of a vehicle and uploading the license plate information to an upper computer system;
the determining unit is used for determining the identity code of the vehicle according to the license plate information;
the inquiry unit is used for inquiring the vehicle speed data of the vehicle in the CAN bus according to the identity code;
the vehicle speed data are obtained through a second acquisition unit and an analysis unit:
the second acquisition unit is used for acquiring bus data of the vehicle through the data acquisition terminal; the data acquisition terminal is arranged on the vehicle;
the analysis unit is used for forwarding the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyzing the bus data through the CAN bus to obtain the speed data of the vehicle.
In addition, the vehicle speed monitoring system according to the above embodiment of the present application may further have the following additional technical features:
further, in an embodiment of the present application, the system further comprises a comparison unit;
the comparison unit is specifically configured to:
comparing the vehicle speed data with a preset vehicle speed threshold;
and when the vehicle speed data is higher than the vehicle speed threshold, generating overspeed record information according to the license plate information.
Further, in an embodiment of the present application, the parsing unit is specifically configured to:
determining a transmission protocol of bus data of the vehicle;
determining vehicle speed message information in the bus data according to the transmission protocol;
and acquiring the vehicle speed message information through the CAN bus to obtain the vehicle speed data.
Further, in an embodiment of the present application, the system further includes a message generating unit:
the message generating unit is specifically configured to:
acquiring the running speed of the vehicle through a vehicle speed sensor;
and signaling the running speed through the transmission protocol to obtain vehicle speed message information.
In a third aspect, an embodiment of the present application provides a vehicle speed monitoring device, including:
at least one processor;
at least one memory for storing at least one program;
the at least one program, when executed by the at least one processor, causes the at least one processor to implement the vehicle speed monitoring method of the first aspect.
In a fourth aspect, the present embodiments also provide a computer-readable storage medium, in which a processor-executable program is stored, and the processor-executable program, when executed by a processor, is used to implement the vehicle speed monitoring method according to the first aspect.
Advantages and benefits of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application:
according to the vehicle speed monitoring method in the embodiment of the application, the license plate information of a vehicle is collected and uploaded to an upper computer system; determining the identity code of the vehicle according to the license plate information; inquiring the speed data of the vehicle in a CAN bus according to the identity code; wherein the vehicle speed data is obtained by the steps of: bus data of the vehicle are collected through a data collection terminal; the data acquisition terminal is arranged on the vehicle; and forwarding the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyzing the bus data through the CAN bus to obtain the vehicle speed data of the vehicle. The vehicle speed monitoring method in the embodiment of the application can effectively improve the monitoring precision of the vehicle running speed, reduce the labor cost of vehicle monitoring and is beneficial to improving the safety of roads.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description is made on the drawings of the embodiments of the present application or the related technical solutions in the prior art, and it should be understood that the drawings in the following description are only for convenience and clarity of describing some embodiments in the technical solutions of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart diagram illustrating a vehicle speed monitoring method according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an exemplary vehicle speed monitoring system according to the present application;
fig. 3 is a schematic structural diagram of an embodiment of a vehicle speed monitoring device according to the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
In the embodiment of the application, a vehicle speed monitoring method is provided for solving the problem of low accuracy of vehicle speed monitoring in the related technology. When the method is used for monitoring the vehicle speed of the vehicle, the monitoring precision can be effectively improved, so that more accurate vehicle speed data can be obtained.
Referring to fig. 1, the embodiment of the present application provides a vehicle speed monitoring method, which may be applied to a server, and may also be a software program running in an intelligent terminal or the server. The intelligent terminal may be, but is not limited to, a tablet computer, a notebook computer, a desktop computer, and the like. The server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing basic cloud computing services such as cloud service, a cloud database, cloud computing, a cloud function, cloud storage, network service, cloud communication, middleware service, domain name service, security service, CDN, and a big data and artificial intelligence platform. The method mainly comprises the following steps:
in the embodiment of the application, some video acquisition devices, such as cameras, can be installed on two sides of a road where a vehicle runs. The camera can collect the license plate information of the passing vehicle, and then uploads the license plate information to the upper computer system for analyzing and monitoring the vehicle speed, so that the upper computer system can acquire the license plate information of the passing vehicle. Specifically, in the upper computer system, the image collected by the camera can be processed through computer vision in an artificial intelligence technology, so that license plate information in the image is identified, wherein the license plate information refers to license plate numbers issued by a vehicle management mechanism, and each motor vehicle corresponds to a unique license plate number.
in the embodiment of the application, for the license plate information of each vehicle, the corresponding identity code, namely the identity ID of the vehicle, can be predicted in the upper computer (namely the server), and each vehicle corresponds to one unique identity code, so that the server can conveniently determine the specific condition of the vehicle. Specifically, the vehicle code may be registered in the server by the owner of the vehicle or a vehicle management department in advance, and the vehicle code may be reserved with basic information of the vehicle, such as a vehicle type and the like, at the time of registration. According to the identity code of the vehicle, the server CAN process various data of the vehicle through one CAN bus without performing classification processing on the data acquired by one pair of different vehicle types, so that the processing efficiency CAN be effectively improved.
in the embodiment of the application, the server CAN directly inquire the speed data of the vehicle in the CAN bus according to the identity code of the vehicle, so that errors caused by acquiring the running video of the vehicle in a video acquisition mode and then analyzing the speed data of the vehicle CAN be avoided, and the accuracy of speed monitoring is improved. Specifically, the CAN bus is a short name for a Controller Area Network (CAN), and is one of the most widely used field buses in the world. Generally, the CAN bus protocol is a standard bus of a mainstream automobile computer control system and an embedded industrial control local area network, and for different automobile models, adopted subdivided data transmission types CAN be different, but all belong to the data processing range of the CAN bus.
In the embodiment of the application, the vehicle speed data required to be acquired can be acquired by installing the data acquisition terminal on the vehicle. Specifically, for each vehicle, a corresponding data acquisition terminal is installed, and the identity code of the vehicle can be stored in the data acquisition terminal. In the collecting process, for the vehicle, the current running speed of the vehicle is collected through a vehicle speed sensor, and then the numerical value of the running speed is converted into a signal through a transmission protocol adopted by a bus of the vehicle, so that vehicle speed message information is generated. When the data acquisition terminal is used for acquiring, all bus data including vehicle speed message information CAN be acquired and then sent to the CAN bus for analysis, so that the required vehicle speed data CAN be determined.
In the embodiment of the application, when the CAN bus analyzes the vehicle speed data, firstly, a transmission protocol used by the vehicle is determined according to the identity code of the vehicle, and then, the vehicle speed message information in the bus data is obtained according to the transmission protocol, that is, the required vehicle speed data is obtained through analysis.
Optionally, in this embodiment of the application, a specified vehicle speed threshold may be preset, the collected vehicle speed data is compared with the vehicle speed threshold, and when the vehicle speed data is higher than the vehicle speed threshold, the overspeed record information may be generated according to the license plate information of the vehicle. For example, the speed threshold of a certain road segment limit is 50 kilometers per hour, and the server determines that the speed data of a certain vehicle at a certain time is 65 kilometers per hour through the speed monitoring method in the embodiment of the present application, which indicates that the vehicle exceeds the specified speed threshold at the certain time, there may be a violation, so that the overspeed record information may be generated according to the license plate information of the vehicle, the collected speed data, and the collected time point. The overspeed record information generated in the embodiment of the application can help related traffic management departments to effectively reduce the personnel investment on the front line, reduce the burden of workers and improve the supervision convenience for road driving safety.
In some embodiments, the vehicle speed monitoring method in the embodiments of the present application may be triggered and executed once when each video acquisition device that acquires the license plate information of a vehicle acquires the license plate information of the vehicle, so that the vehicle speed monitoring can be effectively and comprehensively performed on the vehicle, which is beneficial to reducing the occurrence of vehicle overspeed and improving the safety of vehicle driving on a road.
The vehicle speed monitoring system proposed according to the embodiment of the present application is described in detail below with reference to the drawings.
Referring to fig. 2, a vehicle speed monitoring system provided in an embodiment of the present application includes:
the first acquisition unit 101 is used for acquiring license plate information of a vehicle and uploading the license plate information to an upper computer system;
the determining unit 102 is configured to determine an identity code of the vehicle according to the license plate information;
the query unit 103 is used for querying the vehicle speed data of the vehicle in the CAN bus according to the identity code;
the vehicle speed data is obtained through the second acquisition unit 104 and the analysis unit 105:
the second acquisition unit 104 is used for acquiring bus data of the vehicle through a data acquisition terminal; the data acquisition terminal is arranged on the vehicle;
the analysis unit 105 is configured to forward the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyze the bus data through the CAN bus to obtain vehicle speed data of the vehicle.
Optionally, in this embodiment of the present application, the system further includes a comparing unit 106;
the comparing unit 106 is specifically configured to:
comparing the vehicle speed data with a preset vehicle speed threshold;
and when the vehicle speed data is higher than the vehicle speed threshold, generating overspeed record information according to the license plate information.
Optionally, in this embodiment of the present application, the parsing unit 105 is specifically configured to:
determining a transmission protocol of bus data of the vehicle;
determining vehicle speed message information in the bus data according to the transmission protocol;
and acquiring the vehicle speed message information through the CAN bus to obtain the vehicle speed data.
Optionally, in this embodiment of the present application, the system further includes a message generating unit 107;
the packet generating unit 107 is specifically configured to:
acquiring the running speed of the vehicle through a vehicle speed sensor;
and signaling the running speed through the transmission protocol to obtain vehicle speed message information.
It is to be understood that the contents in the foregoing method embodiments are all applicable to this system embodiment, the functions specifically implemented by this system embodiment are the same as those in the foregoing method embodiment, and the advantageous effects achieved by this system embodiment are also the same as those achieved by the foregoing method embodiment.
Referring to fig. 3, an embodiment of the present application provides a vehicle speed monitoring apparatus including:
at least one processor 201;
at least one memory 202 for storing at least one program;
the at least one program, when executed by the at least one processor 201, causes the at least one processor 201 to implement a vehicle speed monitoring method.
Similarly, the contents of the method embodiments are all applicable to the apparatus embodiments, the functions specifically implemented by the apparatus embodiments are the same as the method embodiments, and the beneficial effects achieved by the apparatus embodiments are also the same as the beneficial effects achieved by the method embodiments.
The embodiment of the present application also provides a computer-readable storage medium, in which a program executable by the processor 201 is stored, and the program executable by the processor 201 is used for executing the vehicle speed monitoring method described above when executed by the processor 201.
Similarly, the contents in the above method embodiments are all applicable to the computer-readable storage medium embodiments, the functions specifically implemented by the computer-readable storage medium embodiments are the same as those in the above method embodiments, and the beneficial effects achieved by the computer-readable storage medium embodiments are also the same as those achieved by the above method embodiments.
In alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flowcharts of the present application are provided by way of example in order to provide a more thorough understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are performed independently.
Furthermore, although the present application is described in the context of functional modules, it should be understood that, unless otherwise stated to the contrary, one or more of the functions and/or features may be integrated in a single physical device and/or software module, or one or more functions and/or features may be implemented in separate physical devices or software modules. It will also be appreciated that a detailed discussion regarding the actual implementation of each module is not necessary for an understanding of the present application. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be understood within the ordinary skill of an engineer, given the nature, function, and internal relationship of the modules. Accordingly, those skilled in the art can, using ordinary skill, practice the present application as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative of and not intended to limit the scope of the application, which is defined by the appended claims and their full scope of equivalents.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the foregoing description of the specification, reference to the description of "one embodiment/example," "another embodiment/example," or "certain embodiments/examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
While the present application has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A vehicle speed monitoring method, comprising the steps of:
collecting license plate information of a vehicle, and uploading the license plate information to an upper computer system;
determining the identity code of the vehicle according to the license plate information;
inquiring the speed data of the vehicle in a CAN bus according to the identity code;
wherein the vehicle speed data is obtained by the steps of:
bus data of the vehicle are collected through a data collection terminal; the data acquisition terminal is arranged on the vehicle;
and forwarding the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyzing the bus data through the CAN bus to obtain the vehicle speed data of the vehicle.
2. The vehicle speed monitoring method according to claim 1, characterized by further comprising the steps of:
comparing the vehicle speed data with a preset vehicle speed threshold;
and when the vehicle speed data is higher than the vehicle speed threshold, generating overspeed record information according to the license plate information.
3. The vehicle speed monitoring method according to claim 1, wherein the analyzing the bus data through the CAN bus to obtain the vehicle speed data of the vehicle comprises:
determining a transmission protocol of bus data of the vehicle;
determining vehicle speed message information in the bus data according to the transmission protocol;
and acquiring the vehicle speed message information through the CAN bus to obtain the vehicle speed data.
4. The vehicle speed monitoring method according to claim 3, wherein the vehicle speed message information is obtained by:
acquiring the running speed of the vehicle through a vehicle speed sensor;
and signaling the running speed through the transmission protocol to obtain vehicle speed message information.
5. A vehicle speed monitoring system, comprising:
the first acquisition unit is used for acquiring license plate information of a vehicle and uploading the license plate information to an upper computer system;
the determining unit is used for determining the identity code of the vehicle according to the license plate information;
the inquiry unit is used for inquiring the vehicle speed data of the vehicle in the CAN bus according to the identity code;
the vehicle speed data are obtained through a second acquisition unit and an analysis unit:
the second acquisition unit is used for acquiring bus data of the vehicle through the data acquisition terminal; the data acquisition terminal is arranged on the vehicle;
the analysis unit is used for forwarding the bus data and the identity code of the vehicle to a CAN bus through a data acquisition terminal, and analyzing the bus data through the CAN bus to obtain the speed data of the vehicle.
6. The vehicle speed monitoring system according to claim 5, characterized in that: the system further comprises a comparison unit;
the comparison unit is specifically configured to:
comparing the vehicle speed data with a preset vehicle speed threshold;
and when the vehicle speed data is higher than the vehicle speed threshold, generating overspeed record information according to the license plate information.
7. The vehicle speed monitoring system according to claim 5, wherein the parsing unit is specifically configured to:
determining a transmission protocol of bus data of the vehicle;
determining vehicle speed message information in the bus data according to the transmission protocol;
and acquiring the vehicle speed message information through the CAN bus to obtain the vehicle speed data.
8. The vehicle speed monitoring system according to claim 7, characterized in that: the system also comprises a message generating unit;
the message generating unit is specifically configured to:
acquiring the running speed of the vehicle through a vehicle speed sensor;
and signaling the running speed through the transmission protocol to obtain vehicle speed message information.
9. A vehicle speed monitoring apparatus, characterized by comprising:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, causing the at least one processor to implement the vehicle speed monitoring method according to any one of claims 1-4.
10. A computer-readable storage medium in which a program executable by a processor is stored, characterized in that: the processor executable program when executed by a processor is for implementing a vehicle speed monitoring method as claimed in any one of claims 1 to 4.
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| CN202011639251.6A CN112863199A (en) | 2020-12-31 | 2020-12-31 | Vehicle speed monitoring method, system and device and storage medium |
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| CN112882455A (en) * | 2021-01-13 | 2021-06-01 | 北京中科慧眼科技有限公司 | Vehicle speed obtaining method and system and intelligent terminal |
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| CN106355901A (en) * | 2016-09-30 | 2017-01-25 | 浙江工业大学 | Internet of vehicles-based vehicle speed measurement device and method for determining overspeed of vehicles |
| CN107067784A (en) * | 2017-06-09 | 2017-08-18 | 南京越博动力系统股份有限公司 | A kind of urban road vehicle safety intelligence monitoring and controlling system and its monitoring method |
| CN111768632A (en) * | 2020-06-15 | 2020-10-13 | 上汽通用汽车有限公司 | Urban road violation management system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882455A (en) * | 2021-01-13 | 2021-06-01 | 北京中科慧眼科技有限公司 | Vehicle speed obtaining method and system and intelligent terminal |
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