CN112883805A - Road side parking charging method and system based on image recognition - Google Patents

Road side parking charging method and system based on image recognition Download PDF

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CN112883805A
CN112883805A CN202110084811.4A CN202110084811A CN112883805A CN 112883805 A CN112883805 A CN 112883805A CN 202110084811 A CN202110084811 A CN 202110084811A CN 112883805 A CN112883805 A CN 112883805A
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charging
license plate
platform
license
order
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姜华
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/08—Payment architectures
    • G06Q20/14—Payment architectures specially adapted for billing systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/08—Detecting or categorising vehicles

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Abstract

The invention relates to the technical field of roadside parking charging, and discloses a charging method and a system for roadside parking based on image recognition, wherein the method comprises the following steps: the collected license plate is uploaded to a third-party algorithm platform; performing algorithm recognition on the license plate information through the third-party algorithm platform and performing return processing; acquiring the last license plate information and vehicle state; judging whether the berthing vehicle leaves or enters the field; if the platform enters the field, judging whether the platform charging is suspended or in charging; if the platform is in the charging process, entering a first charging mode; and if the platform charging is suspended, entering a second charging mode. The invention can realize the charging when the vehicle stops and the charging when the vehicle leaves. The electronic payment does not need to pay cash, does not have manual change making errors, and is convenient and quick. The parking process is automatically captured and evidence obtained, manual evidence obtaining is not needed, the parking system is full-automatic, payment disputes cannot occur, and the payment autonomy of the vehicle owner is improved.

Description

Road side parking charging method and system based on image recognition
Technical Field
The invention relates to the technical field of roadside parking charging, in particular to a charging method and system based on image recognition roadside parking.
Background
At present, most of closed parking lots have own vehicle access management software, and the access time of vehicles can be accurately acquired and the parking fee is calculated by a simple license plate recognition technology. But billing for vehicle fees for open scenes like roadside has been a difficult problem.
In the prior art, the charging scheme mostly adopts a manual charging mode, the charging efficiency is low, and extra labor cost needs to be input.
Therefore, how to provide a method and a system for charging roadside parking based on image recognition is an urgent technical problem to be solved so as to facilitate roadside parking automatic charging.
Disclosure of Invention
The technical problem to be solved by the invention is how to provide a method and a system for charging roadside parking based on image recognition, so as to facilitate automatic charging of roadside parking.
Therefore, according to a first aspect, the embodiment of the invention discloses a charging method for roadside parking based on image recognition, which comprises the following steps: the collected license plate is uploaded to a third-party algorithm platform; performing algorithm recognition on the license plate information through the third-party algorithm platform and performing return processing; acquiring the last license plate information and vehicle state; judging whether the berthing vehicle leaves or enters the field; if the platform enters the field, judging whether the platform charging is suspended or in charging; if the platform is in the charging process, entering a first charging mode; and if the platform charging is suspended, entering a second charging mode.
The present invention is further configured such that, after the above-mentioned determination of whether the vehicle at the parking lot is in the departure place or in the approach place, the method further includes: if the platform is away from the field, judging whether the platform charging is suspended or in charging; if the platform charging is suspended, reporting departure and ending the order.
The invention is further configured that, after the step of judging whether the platform charging is in suspension or in charging if the platform charging is off-site, the method further comprises the following steps: if the platform is in the charging process, reporting departure and ending the order.
The present invention is further configured such that the first charging method includes: judging whether the license plates are similar or not, and comparing the confidence degrees of the license plates; if the license plates are similar and the license plates are credible, reporting to the operation platform to modify the license plate number; if the license plates are not similar, outputting the license plate with high confidence coefficient, and judging whether the license plate is credible or not; if the license plate is credible, ending the order and creating a new order.
The invention is further configured that, after outputting the license plate with high confidence level and judging whether the license plate is credible if the license plates are not similar, the invention further comprises: if the license plate is not credible, the charging is suspended.
The present invention is further configured such that the second charging method includes: judging whether the license plates are similar or not, and comparing the confidence degrees of the license plates; if the license plates are similar and the license plates are credible, reporting to the operation platform to modify the license plate number; if the license plates are similar and the license plates are not credible, the charging is continued.
The invention is further configured to, after judging whether the license plates are similar and comparing the confidence degrees of the license plates, further include: if the license plates are not similar, outputting the license plate with high confidence coefficient, and judging whether the license plate is credible or not; if the license plate is credible, ending the order and creating a new order.
According to a second aspect, the embodiment of the invention discloses a charging system for roadside parking based on image recognition, which comprises: the vehicle detection module comprises an MCU (microprogrammed control Unit) and a laser radar detector, the MCU sends a command to the laser radar detector at a fixed frequency, the laser radar detector transmits radar waves to the outside and receives external reflected waves, the license plate recognition module is used for shooting license plate pictures and transmitting the license plate pictures to an algorithm platform for recognition processing, the license plate comparison module is used for carrying out similarity comparison on the last license plate information and the current license plate recognition information, the confidence verification module is used for carrying out license plate credibility judgment according to a similarity result of the license plate comparison module, and the billing module is used for carrying out corresponding order operation according to an order state of the license plate.
The invention is further configured such that the order operations include creating an order, suspending billing, continuing billing, modifying a license plate, and ending the order.
The invention is further configured that the identification information of the license plate identification module comprises a license plate number, a license plate color, a license plate confidence and a timestamp.
The invention has the following beneficial effects: the invention discloses a charging method for roadside parking based on image recognition, which is characterized in that collected license plates are uploaded to a third party algorithm platform; performing algorithm recognition on the license plate information through the third-party algorithm platform and performing return processing; acquiring the last license plate information and vehicle state; judging whether the berthing vehicle leaves or enters the field; if the platform enters the field, judging whether the platform charging is suspended or in charging; if the platform is in the charging process, entering a first charging mode; and if the platform charging is suspended, entering a second charging mode. Compared with the prior art, the invention can realize the charging when the vehicle stops and the charging when the vehicle leaves. The electronic payment does not need to pay cash, does not have manual change making errors, and is convenient and quick. The parking process is automatically captured and evidence obtained, manual evidence obtaining is not needed, the parking system is full-automatic, payment disputes cannot occur, and the payment autonomy of the vehicle owner is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flowchart illustrating a method for charging roadside parking based on image recognition according to an embodiment of the disclosure;
fig. 2 is a schematic structural diagram of a charging system for roadside parking based on image recognition according to the present embodiment;
FIG. 3 is a schematic diagram illustrating an application of the charging method for roadside parking based on image recognition disclosed in this embodiment;
FIG. 4 is a flow chart of the first charging method of FIG. 3;
fig. 5 is a flowchart of the second charging method in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the invention discloses a charging method for roadside parking based on image recognition, which comprises the following steps of as shown in figure 1, figure 3, figure 4 and figure 5:
step S10, the acquired license plate is uploaded to a third party algorithm platform;
step S20, performing algorithm recognition on the license plate information through the third-party algorithm platform and performing return processing;
step S30, acquiring the last license plate information and vehicle state;
step S40, judging whether the berthing vehicle leaves the field or enters the field;
step S50, if entering, judging whether the platform charging is in pause or charging;
step S60, if the platform charges, entering a first charging mode;
step S70, if the platform charging is suspended, enter the second charging mode.
The charging method for roadside parking based on image recognition disclosed by the invention is characterized in that collected license plates are uploaded to a third-party algorithm platform; performing algorithm recognition on the license plate information through the third-party algorithm platform and performing return processing; acquiring the last license plate information and vehicle state; judging whether the berthing vehicle leaves or enters the field; if the platform enters the field, judging whether the platform charging is suspended or in charging; if the platform is in the charging process, entering a first charging mode; and if the platform charging is suspended, entering a second charging mode. Compared with the prior art, the invention can realize the charging when the vehicle stops and the charging when the vehicle leaves. The electronic payment does not need to pay cash, does not have manual change making errors, and is convenient and quick. The parking process is automatically captured and evidence obtained, manual evidence obtaining is not needed, the parking system is full-automatic, payment disputes cannot occur, and the payment autonomy of the vehicle owner is improved.
In a specific implementation process, after step S40, the method further includes:
step S41, if the platform leaves, whether the platform charging is suspended or charging is judged;
and step S42, if the platform charging is in a pause state, reporting departure and ending the order.
In a specific implementation process, after step S41, the method further includes: and step S43, if the platform charges, reporting departure and ending the order.
In a specific implementation process, the first charging method includes:
step S61, judging whether the license plates are similar, and comparing the confidence of the license plates;
step S62, if the license plate is similar and the license plate is credible, reporting to the operation platform to modify the license plate number;
step S63, if the license plates are not similar, outputting the license plate with high confidence coefficient, and judging whether the license plate is credible;
and step S64, if the license plate is credible, ending the order and creating a new order.
In a specific implementation process, after step S63, the method further includes: and step S65, if the license plate is not credible, the charging is suspended.
In a specific implementation process, the second charging method includes:
step S71, judging whether the license plates are similar, and comparing the confidence of the license plates;
step S72, if the license plate is similar and the license plate is credible, reporting to the operation platform to modify the license plate number;
and step S73, if the license plate is similar and the license plate is not credible, continuing charging.
In a specific implementation process, after step S71, the method further includes:
step S74, if the license plates are not similar, outputting the license plate with high confidence coefficient, and judging whether the license plate is credible;
and step S75, if the license plate is credible, ending the order and creating a new order.
The embodiment of the invention discloses a charging system for roadside parking based on image recognition, which comprises the following components as shown in figure 2: the vehicle detection module comprises an MCU (microprogrammed control Unit) and a laser radar detector, the MCU sends a command to the laser radar detector at a fixed frequency, the laser radar detector transmits radar waves to the outside and receives external reflected waves, the license plate recognition module is used for shooting license plate pictures and transmitting the license plate pictures to an algorithm platform for recognition processing, the license plate comparison module is used for carrying out similarity comparison on the last license plate information and the current license plate recognition information, the confidence verification module is used for carrying out license plate credibility judgment according to a similarity result of the license plate comparison module, and the billing module is used for carrying out corresponding order operation according to an order state of the license plate.
In the specific implementation process, the reflected wave contains distance and light intensity information, and under the condition that the distance of continuous multi-frame data is stable: when the distance is larger than or equal to a set threshold value S or the light intensity is lower than a set threshold value Amp, the automobile is considered to be out of the field; and when the distance is smaller than the set threshold S or the light intensity is stably larger than or equal to the set threshold Amp, the automobile is considered to approach.
In a specific implementation process, the license plate recognition module further comprises a camera and a controller thereof, when switching between entering and leaving is carried out, the camera controller starts the camera to take a picture and uploads the picture to the algorithm platform, the algorithm platform recognizes license plate information contained in the picture, and a recognition result (containing a license plate number, a license plate color, a license plate confidence coefficient and a timestamp) is returned to the equipment end.
In a specific implementation process, after receiving license plate identification information (a license plate number P1, a confidence coefficient S1 and a license plate color C1) returned by the algorithm platform at the equipment end, the license plate comparison module acquires the last license plate information (a license plate number P2, a confidence coefficient S2, a license plate color C2 and an entrance-exit state St) from the operation platform. And (3) removing the first two characters (province and city code) of the license plate, comparing the last 5-digit or 6-digit characters of P1 and P2, and if the three-digit characters or numbers are consistent, determining that the license plate is similar, otherwise, determining that the license plate is not similar.
In the specific implementation process, the order operation comprises order creation, charging suspension, charging continuation, license plate modification and order ending.
In a specific implementation process, the identification information of the license plate identification module comprises a license plate number, a license plate color, a license plate confidence coefficient and a timestamp.
In the specific implementation process, the order is created in the billing module to further describe: the parking space corresponding to the equipment does not park at first, after the equipment reports license plate information, the background binds the license plate with the parking space, and the license plate is charged.
The charging suspension in the charging module is further described as follows: the device's corresponding berth already has a card order, when one of the following occurs: 1. the second entrance is reported without any card; 2. the secondary entrance license plate is not credible; 3. obtaining evidence without cards; the charging of the current license plate is suspended.
The charging is continued in the charging module for further description: the device stops charging the current license plate corresponding to the parking space, if the license plate is reported and is similar to the last license plate, the charging is continued.
The modified license plate in the billing module is further described as follows: when a card order already exists in the corresponding berth of the equipment, the following conditions occur: 1. the secondary entrance is reported with a license plate and the license plate is credible and has higher confidence than the last license plate; 2. the license plate is reported and is credible; 3. the license plate is similar and has higher confidence than the last license plate when being reported by taking evidence; 4. when the parking space corresponding to the equipment is a suspended bill at present, the reported license plate is similar and the confidence coefficient is higher than that of the previous time; 5. when the parking space corresponding to the equipment is a suspended bill at present, the reported license plate is credible and the confidence coefficient is higher than that of the previous license plate; any one of the five conditions is met, and the current license plate can be used for replacing the last license plate.
The bill ending in the charging module is further described: stopping the license plate robber duration of the current parking space, settling the parking fee according to the charging rule and the parking duration, and triggering the action as follows: the order is in a normal charging state: 1. the automobile leaves the field 2, the automobile enters the field twice, no license exists in the two times, the current bill is ended at the moment, and then a new license plate is created; 3. the automobile enters the field for the second time, the previous time has no license, the license is present at this time, the current bill is ended at this time, and then a new order is created; 4. when obtaining the evidence, the license plates of two times have the license plates but are not similar, the confidence coefficient of the license plate obtained is 100, at the moment, the current bill is ended, and then a new order is created; 5. when the license is collected, the license plates are similar but have different degrees of confidence, and the current bill is ended and a new order is created. The order is in a suspended charging state: 1. the automobile leaves the field; 2. the automobile enters the field for the second time, the license plates are not similar for the second time, the confidence coefficient of the license plate is larger than 70, the current bill is ended at this time, and then a new license plate is created; 3. when obtaining the evidence, the license plates are different for two times, the reliability of the license plate obtaining is 100, at the moment, the current bill is ended, and then a new order is created; 4. when the license is collected, the license plates are different in two times, the confidence coefficient of the collected license plates is high and credible, at the moment, the current bill is ended, and then a new order is created. When any of the above conditions is met, an end billing action may be triggered.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A charging method for roadside parking based on image recognition is characterized by comprising the following steps:
the collected license plate is uploaded to a third-party algorithm platform;
performing algorithm recognition on the license plate information through the third-party algorithm platform and performing return processing;
acquiring the last license plate information and vehicle state;
judging whether the berthing vehicle leaves or enters the field;
if the platform enters the field, judging whether the platform charging is suspended or in charging;
if the platform is in the charging process, entering a first charging mode;
and if the platform charging is suspended, entering a second charging mode.
2. The image recognition-based roadside parking charging method according to claim 1, further comprising, after the determining whether the parked vehicle is away from the field,:
if the platform is away from the field, judging whether the platform charging is suspended or in charging;
if the platform charging is suspended, reporting departure and ending the order.
3. The method of claim 2, wherein after determining whether the platform is in a suspend or charging state if the vehicle is off-site, the method further comprises:
if the platform is in the charging process, reporting departure and ending the order.
4. The image recognition-based roadside parking charging method according to claim 1, wherein the first charging manner comprises:
judging whether the license plates are similar or not, and comparing the confidence degrees of the license plates;
if the license plates are similar and the license plates are credible, reporting to the operation platform to modify the license plate number;
if the license plates are not similar, outputting the license plate with high confidence coefficient, and judging whether the license plate is credible or not;
if the license plate is credible, ending the order and creating a new order.
5. The image recognition-based roadside parking charging method of claim 4, wherein after outputting a license plate with high confidence level if the license plates are not similar and determining whether the license plate is authentic, further comprising:
if the license plate is not credible, the charging is suspended.
6. The image recognition-based roadside parking charging method according to claim 1, wherein the second charging manner comprises:
judging whether the license plates are similar or not, and comparing the confidence degrees of the license plates;
if the license plates are similar and the license plates are credible, reporting to the operation platform to modify the license plate number;
if the license plates are similar and the license plates are not credible, the charging is continued.
7. The method of claim 6, after determining whether the license plates are similar and comparing the confidence levels of the license plates, further comprising:
if the license plates are not similar, outputting the license plate with high confidence coefficient, and judging whether the license plate is credible or not;
if the license plate is credible, ending the order and creating a new order.
8. A charging system based on image recognition roadside parking, comprising: the vehicle detection module comprises an MCU (microprogrammed control Unit) and a laser radar detector, the MCU sends a command to the laser radar detector at a fixed frequency, the laser radar detector transmits radar waves to the outside and receives external reflected waves, the license plate recognition module is used for shooting license plate pictures and transmitting the license plate pictures to an algorithm platform for recognition processing, the license plate comparison module is used for carrying out similarity comparison on the last license plate information and the current license plate recognition information, the confidence verification module is used for carrying out license plate credibility judgment according to a similarity result of the license plate comparison module, and the billing module is used for carrying out corresponding order operation according to an order state of the license plate.
9. The image recognition-based roadside parking charging system of claim 8 wherein the order operations include creating an order, suspending charging, continuing charging, modifying a license plate, and ending an order.
10. The image recognition-based roadside parking charging system of claim 8 wherein the recognition information of the license plate recognition module includes a license plate number, a license plate color, a license plate confidence, and a timestamp.
CN202110084811.4A 2021-01-21 2021-01-21 Road side parking charging method and system based on image recognition Pending CN112883805A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114038071A (en) * 2021-11-04 2022-02-11 普行智能停车（深圳）有限公司 Roadside intelligent parking card point charging method, device, equipment and medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114038071A (en) * 2021-11-04 2022-02-11 普行智能停车（深圳）有限公司 Roadside intelligent parking card point charging method, device, equipment and medium

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