CN106981199B - Special vehicle identification method and system - Google Patents
Special vehicle identification method and system Download PDFInfo
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- CN106981199B CN106981199B CN201610027009.0A CN201610027009A CN106981199B CN 106981199 B CN106981199 B CN 106981199B CN 201610027009 A CN201610027009 A CN 201610027009A CN 106981199 B CN106981199 B CN 106981199B
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- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
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Abstract
The invention discloses a special vehicle identification method and a system thereof, wherein the method comprises the following steps: obtaining the license plate number of the vehicle; randomly generating an SSID name and a password of a wifi hotspot according to the license plate number; the SSID name and the password of the wifi hotspot are sent to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle; the vehicle-mounted wifi device modifies the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password, and restarts the wifi hotspot; and if the inspection equipment can successfully access the wifi hotspot according to the SSID name and the password, judging that the vehicle is legal. According to the invention, dynamic matching verification is carried out by issuing the SSID name and the password of the wifi hotspot, so that the problem of deception inspection caused by complete cloning of the electronic tag is prevented, and an intelligent dome lamp is not required to be installed, so that the cost is lower; meanwhile, the whole-process automatic operation can be realized, the verification speed is high, and the efficiency is high.
Description
Technical Field
The invention relates to the field of vehicle identification, in particular to a special vehicle identification method and a special vehicle identification system.
Background
With the development of science and technology, an automobile becomes one of the most common transportation means, and with the popularization of automobiles, special vehicles such as buses, taxis, fire trucks, ambulances, police cars and the like also appear, wherein the taxi is one of important transportation means for people to go out, but the taxi cloning is a big problem in the taxi industry. Lawless persons buy vehicles of the same type, buy devices such as a top light and a meter through illegal channels, the spray painting of the vehicle body imitates a legal taxi, the forged license plate is the same as that of a cloned vehicle, and the imitated license plate is unique and is difficult to identify by passengers. After passengers get on the bus, the passengers may have problems of slaying and inaccurate pricing, and are difficult to complain afterwards. When a traffic accident occurs, the passengers cannot well maintain the rights and interests of the passengers. Therefore, the method is an important work in the urban transportation industry when the illegal clone of the taxi is hit.
There are several ways to check cloned taxis, for example: the central platform issues an inspection instruction to the vehicle-mounted equipment, and the vehicle-mounted equipment controls the intelligent dome lamp to display special inspection characters or graphs; or, the audit staff uses the audit equipment to send a verification request to the vehicle-mounted equipment, and the vehicle-mounted equipment sends the unique identification code inside back to the audit equipment for comparison and verification, namely, the method is similar to the electronic tag. The methods can solve the problems to a certain extent, but have use limitations, for example, some places do not use an intelligent ceiling lamp capable of displaying anti-counterfeiting secret mark characters or graphs in order to save cost; or, lawbreakers clone the electronic tags through technical means and illegal channels, and the electronic tags including the unique identification codes are also cloned, so that the inspection behavior of the inspection equipment is deceived.
In the publication No. 201310704057.5, a taxi identification method is proposed, which comprises the steps of: carrying out image calibration on a road traffic scene in a video sequence to carry out mutual conversion of an image coordinate system and a physical coordinate system, thereby obtaining the physical coordinate of each position of each frame of image in the video sequence; positioning the positions of the license plate and the top lamp in each frame of image; extracting a color spraying area of a taxi in an image with the positions of a license plate and a top light; and finally positioning the position of the taxi according to the relative position relation between the license plate position and the color spraying area and the position of the dome lamp. However, the method needs to perform complex processing on the image, can only identify the truth of the taxi in the video, and has the advantages of large limitation and low efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided are a special vehicle identification method and a system thereof, which can identify the authenticity of a special vehicle.
In order to solve the technical problems, the invention adopts the technical scheme that: a special vehicle identification method comprises
Obtaining the license plate number of the vehicle;
randomly generating an SSID name and a password of a wifi hotspot according to the license plate number;
the SSID name and the password of the wifi hotspot are sent to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle;
the vehicle-mounted wifi device modifies the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password, and restarts the wifi hotspot;
and if the inspection equipment can successfully access the wifi hotspot according to the SSID name and the password, judging that the vehicle is legal.
The invention also relates to a special vehicle identification system, comprising
The acquisition module is used for acquiring the license plate number of the vehicle;
the generation module is used for randomly generating an SSID name and a password of a wifi hotspot according to the license plate number;
the sending module is used for sending the SSID name and the password of the wifi hotspot to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle;
the configuration module is used for modifying the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password;
the starting module is used for restarting the wifi hotspot by the vehicle-mounted wifi device;
and the judging module is used for judging that the vehicle is legal if the checking equipment can successfully access the wifi hotspot according to the SSID name and the password.
The invention has the beneficial effects that: the method is different from the identification verification method of cloning taxis by a fixed and static unique identification code or installing an intelligent top lamp in the prior art, the method effectively prevents the problem of cheating inspection caused by completely cloning the identification code in a dynamic verification mode by issuing the SSID name and the password of a wifi hotspot randomly generated according to the license plate number for matching verification, and does not need to install the intelligent top lamp, so the cost is lower; meanwhile, the whole-process automatic operation can be realized, the verification speed is high, and the efficiency is high.
Drawings
FIG. 1 is a flow chart of a method of identifying a special vehicle of the present invention;
FIG. 2 is a flowchart of a method according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a special vehicle identification system according to the present invention;
fig. 4 is a schematic structural diagram of a system according to a third embodiment of the present invention.
Description of reference numerals: 1. an acquisition module; 2. a generation module; 3. a sending module; 4. a configuration module; 5. a starting module; 6. a judgment module; 7. a receiving module; 8. a search module; 9. an access module; 10. a license plate judging module;
101. an acquisition unit; 102. a transmitting unit; 103. a receiving unit;
201. obtaining a unit; 202. a first generation unit; 203. a second generating unit.
Detailed Description
In order to explain technical contents, objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The most key concept of the invention is as follows: and randomly generating the SSID name and the password of the wifi hotspot according to the license plate number, and dynamically performing matching verification according to the SSID name and the password.
Referring to fig. 1, a method for identifying a special vehicle includes
Obtaining the license plate number of the vehicle;
randomly generating an SSID name and a password of a wifi hotspot according to the license plate number;
the SSID name and the password of the wifi hotspot are sent to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle;
the vehicle-mounted wifi device modifies the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password, and restarts the wifi hotspot;
and if the inspection equipment can successfully access the wifi hotspot according to the SSID name and the password, judging that the vehicle is legal.
Further, before the step of determining that the vehicle is legal if the inspection device can successfully access the wifi hotspot according to the SSID name and the password, the step of:
the checking equipment receives the SSID name and the password of the wifi hotspot;
and the checking equipment searches the SSID name and accesses the wifi hotspot by the password.
Further, the "randomly generating an SSID name and a password of a wifi hotspot according to the license plate number" specifically includes:
obtaining a first random number and a second random number through a random number algorithm;
generating an SSID name of a wifi hotspot according to the license plate number and the first random number;
and generating the password of the wifi hotspot according to the second random number.
According to the description, the SSID name and the password of the wifi hotspot are generated according to the random number and the license plate number, so that the SSID name and the password are not easy to crack and forge, and the safety and the identification accuracy are improved.
Further, the first random number and the second random number are obtained according to the current time.
According to the description, the random number is generated according to the current time, the SSID name and the password are further ensured not to be easily cracked and forged, and the accuracy of identification is further improved by improving the cracking difficulty.
Further, the inspection equipment is a mobile terminal with a wireless communication function.
According to the description, the inspection personnel can identify the illegal vehicle only by the mobile phone and other portable mobile devices, and the method is convenient, fast and high in efficiency.
Further, the special vehicle is a taxi.
As can be seen from the above description, the present invention can be used to identify cloned taxis and ensure the personal and property safety of passengers.
The invention also provides a special vehicle identification system, which comprises
The acquisition module is used for acquiring the license plate number of the vehicle;
the generation module is used for randomly generating an SSID name and a password of a wifi hotspot according to the license plate number;
the sending module is used for sending the SSID name and the password of the wifi hotspot to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle;
the configuration module is used for modifying the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password;
the starting module is used for restarting the wifi hotspot by the vehicle-mounted wifi device;
and the judging module is used for judging that the vehicle is legal if the checking equipment can successfully access the wifi hotspot according to the SSID name and the password.
Further, also includes
The receiving module is used for receiving the SSID name and the password of the wifi hotspot by the inspection equipment;
the searching module is used for searching the SSID name by the inspection equipment;
and the access module is used for accessing the auditing equipment to the wifi hotspot through the password.
Further, the generating module comprises
An obtaining unit, configured to obtain a first random number and a second random number through a random number algorithm;
the first generation unit is used for generating an SSID name of a wifi hotspot according to the license plate number and the first random number;
and the second generating unit is used for generating the password of the wifi hotspot according to the second random number.
Further, the first random number in the first generating unit and the second random number in the second generating unit are obtained according to the current time.
Example one
Referring to fig. 1-2, a first embodiment of the present invention is: a special vehicle identification method can be used for identifying cloned taxis, and comprises the following steps:
s1: the checking center obtains the license plate number of the vehicle through the checking equipment; optionally, the license plate number can be directly input on the checking device by the checking personnel, or the license plate number can be photographed through a shooting function, the license plate number is identified through an image identification technology, and the checking device acquires the license plate number and then sends the license plate number to the checking center.
S2: after receiving the license plate number, the checking center judges whether the license plate number exists and is valid, and if not, the vehicle is judged to be an illegal vehicle; if yes, go to S3. Alternatively, the checking device can directly judge whether the license plate number exists and is valid.
S3: the inspection center obtains a first random number and a second random number through a random number algorithm, generates an SSID name of a wifi hotspot according to the license plate number and the first random number, and generates a password of the wifi hotspot according to the second random number; the more advantageous the random number algorithm used, the less easily the SSID name and password generated therefrom can be broken, optionally the first random number and the second random number can be obtained depending on the current time.
S4: and the inspection center issues the SSID name and the password of the wifi hotspot to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle.
S5: and the vehicle-mounted wifi device receives the SSID name and the password, modifies the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password, and restarts the wifi hotspot.
S6: and the auditing equipment receives the SSID name and the password of the wifi hotspot, searches the SSID name and accesses the password to the wifi hotspot.
S7: if the checking equipment can successfully access the wifi hotspot within a period of time, such as 30 seconds, according to the SSID name and the password, the vehicle is judged to be legal, otherwise, the vehicle is judged to be illegal.
S8: after a period of time, the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device are automatically restored to the original SSID name and password.
Optionally, the inspection center is a server, the inspection device is a mobile terminal with a wireless communication function, such as a mobile phone, a tablet, and the like, and the inspection center can detect whether the vehicle is legal through the mobile phone; it is also possible to set fixed inspection points at which the inspector guides the vehicle to stop, and to provide corresponding equipment, such as a computer, at the fixed inspection points, which implements the functions of an inspection center or inspection equipment.
Example two
This embodiment is a specific implementation manner of the step S3 in the first embodiment, and the same points will not be described in detail.
In S3, the SSID name and password of a wifi hotspot may be obtained through a C language algorithm:
(1) obtaining the current time number by using a time function, and calling a srand function by using the time number as a parameter to generate a random sequence;
(2) taking the random sequence as a parameter to call a rand function, taking the result modulo 100 to obtain a number A, combining the license plate number and the number A to generate an SSID name, wherein the combination mode can be in a form of 'license plate number _ number A';
(3) and calling a rand function by taking the random sequence as a parameter again, obtaining a number B by taking a module of the result to 100000000, converting the number B from an integer into a character string, and if the number B is less than 8 characters, supplementing '0' in the front, wherein the obtained character string is the password.
EXAMPLE III
Referring to fig. 3-4, a special vehicle identification system includes an obtaining module 1, a generating module 2, a sending module 3, a configuring module 4, a starting module 5, and a determining module 6. The generating module 2 and the sending module 3 are arranged in an inspection center; the configuration module 4 and the starting module 5 are arranged on the vehicle-mounted wifi device; the judging module 6 is arranged on the inspection equipment.
The acquiring module 1 is used for acquiring the license plate number of a vehicle and comprises an acquiring unit 101, a sending unit 102 and a receiving unit 103; the acquiring unit 101 and the sending unit 102 are arranged on the inspection equipment; the receiving unit 103 is arranged in an inspection center;
the obtaining unit 101 is used for the checking equipment to obtain the license plate number;
the sending unit 102 is used for the checking equipment to send the license plate number to the checking center;
the receiving unit 103 is used for receiving the license plate number by the checking center;
the generation module 2 is configured to randomly generate an SSID name and a password of a wifi hotspot according to the license plate number, and includes an obtaining unit 201, a first generation unit 202, and a second generation unit 203.
The obtaining unit 201 is configured to obtain a first random number and a second random number through a random number algorithm;
the first generating unit 202 is configured to generate an SSID name of a wifi hotspot according to the license plate number and the first random number;
the second generating unit 203 is configured to generate a password of the wifi hotspot according to the second random number.
The sending module 3 is used for sending the SSID name and the password of the wifi hotspot to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle;
the configuration module 4 is used for the vehicle-mounted wifi equipment to modify the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi equipment into the SSID name and the password;
the starting module 5 is used for restarting the wifi hotspot by the vehicle-mounted wifi device;
and the judging module 6 is used for judging that the vehicle is legal if the inspection equipment can successfully access the wifi hotspot according to the SSID name and the password.
The system also comprises a receiving module 7, a searching module 8 and an access module 9 which are arranged on the inspection device.
The receiving module 7 is used for receiving the SSID name and the password of the wifi hotspot by the auditing equipment;
the searching module 8 is used for searching the SSID name by the inspection equipment;
the access module 9 is used for accessing the auditing equipment to the wifi hotspot through the password;
the system also comprises a license plate judging module 10 arranged in the inspection equipment or the inspection center, wherein the license plate judging module 10 is used for judging whether the license plate exists and is valid, if not, the vehicle is judged to be illegal, and if so, the generating module 2 is executed.
In summary, according to the professional vehicle identification method and the system thereof provided by the invention, the SSID name and the password of the wifi hotspot are randomly generated according to the license plate number, and dynamic matching verification is performed by issuing the SSID name and the password, so that the problem of cheating inspection caused by complete cloning of the electronic tag is prevented; SSID names and passwords are obtained through a random number algorithm, so that the SSID names and the passwords are not easy to crack and forge, and the identification accuracy is improved; the intelligent ceiling lamp does not need to be installed, and the cost is low; meanwhile, the whole-process automatic operation can be realized, the verification speed is high, and the efficiency is high.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A special vehicle identification method is characterized in that: comprises that
Obtaining the license plate number of the vehicle;
randomly generating an SSID name and a password of a wifi hotspot according to the license plate number;
the SSID name and the password of the wifi hotspot are sent to the inspection equipment and vehicle-mounted wifi equipment of the vehicle;
the vehicle-mounted wifi device modifies the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password, and restarts the wifi hotspot;
and if the inspection equipment can successfully access the wifi hotspot according to the SSID name and the password, judging that the vehicle is legal.
2. The special vehicle identification method according to claim 1, characterized in that: before the step of determining that the vehicle is legal if the inspection device can successfully access the wifi hotspot according to the SSID name and the password, the method further comprises the following steps:
the checking equipment receives the SSID name and the password of the wifi hotspot;
and the checking equipment searches the SSID name and accesses the wifi hotspot by the password.
3. The special vehicle identification method according to claim 1, characterized in that: the step of randomly generating the SSID name and the password of a wifi hotspot according to the license plate number specifically comprises the following steps:
obtaining a first random number and a second random number through a random number algorithm;
generating an SSID name of a wifi hotspot according to the license plate number and the first random number;
and generating the password of the wifi hotspot according to the second random number.
4. The special vehicle identification method according to claim 3, characterized in that: the first random number and the second random number are obtained according to the current time.
5. The special vehicle identification method according to claim 1, characterized in that: the inspection equipment is a mobile terminal with a wireless communication function.
6. The special vehicle identification method according to claim 1, characterized in that: the special vehicle is a taxi.
7. A special-purpose vehicle identification system characterized by: comprises that
The acquisition module is used for acquiring the license plate number of the vehicle;
the generation module is used for randomly generating an SSID name and a password of a wifi hotspot according to the license plate number;
the sending module is used for sending the SSID name and the password of the wifi hotspot to the inspection equipment and the vehicle-mounted wifi equipment of the vehicle;
the configuration module is used for modifying the SSID name and the password of the wifi hotspot of the vehicle-mounted wifi device into the SSID name and the password;
the starting module is used for restarting the wifi hotspot by the vehicle-mounted wifi device;
and the judging module is used for judging that the vehicle is legal if the checking equipment can successfully access the wifi hotspot according to the SSID name and the password.
8. The special vehicle identification system according to claim 7, wherein: also comprises
The receiving module is used for receiving the SSID name and the password of the wifi hotspot by the inspection equipment;
the searching module is used for searching the SSID name by the inspection equipment;
and the access module is used for accessing the auditing equipment to the wifi hotspot through the password.
9. The special vehicle identification system according to claim 7, wherein: the generating module comprises
An obtaining unit, configured to obtain a first random number and a second random number through a random number algorithm;
the first generation unit is used for generating an SSID name of a wifi hotspot according to the license plate number and the first random number;
and the second generating unit is used for generating the password of the wifi hotspot according to the second random number.
10. The special vehicle identification system according to claim 9, wherein: the first random number in the first generating unit and the second random number in the second generating unit are obtained according to the current time.
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| CN110303933B (en) * | 2018-11-09 | 2021-11-16 | 林德（中国）叉车有限公司 | Automatic battery charging method for automatic guided vehicle |
| CN109754608A (en) * | 2019-01-15 | 2019-05-14 | 安徽云联城市交通信息有限公司 | A kind of taxi checking device based on taxi dome lamp |
| CN110113378A (en) * | 2019-04-01 | 2019-08-09 | 华为技术有限公司 | Vehicle authentication method and its device |
| CN113075487A (en) * | 2021-03-31 | 2021-07-06 | 读书郎教育科技有限公司 | Method for controlling aging test duration in factory |
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