CN111833464A - Parking automatic charging method, system, intelligent terminal and storage medium - Google Patents
Parking automatic charging method, system, intelligent terminal and storage medium Download PDFInfo
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- CN111833464A CN111833464A CN202010569647.1A CN202010569647A CN111833464A CN 111833464 A CN111833464 A CN 111833464A CN 202010569647 A CN202010569647 A CN 202010569647A CN 111833464 A CN111833464 A CN 111833464A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/02—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points taking into account a variable factor such as distance or time, e.g. for passenger transport, parking systems or car rental systems
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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
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Abstract
The invention relates to a parking automatic charging method, a system, an intelligent terminal and a storage medium, wherein the parking automatic charging method comprises the steps of obtaining a current entrance license plate number and a current exit license plate number; controlling the rising and falling of an entrance knife according to the number of the entrance license plate; if the license plate is in the license plate library, parking and timing; if the license plate number is not in the license plate library, parking and timing are carried out, binding information is sent to the number corresponding to the entrance license plate number, and the license plate number in the license plate library is updated after the user terminal completes binding; generating a payment order according to the time difference identified by the entrance license plate number and the exit license plate number, and sending the payment order to a user end bound with the license plate number; if the user finishes the payment of the payment bill, the lifting of the exit knife is controlled. The invention solves the problem that when a new vehicle arrives, the RFID chip needs to be added again in the license plate number at the moment, so that the whole entering process is more complicated.
Description
Technical Field
The invention relates to the technical field of vehicle parking charging, in particular to an automatic parking charging method, an automatic parking charging system, an intelligent terminal and a storage medium.
Background
Along with the development of economy in China, the living standard of people is improved day by day, more and more families with automobiles are provided, and therefore the management of parking lots is more and more intelligent.
In the prior art, for example, chinese patent publication No. CN104157018A, an automatic parking fee collecting method includes: embedding an RFID chip into a vehicle number plate, and storing information such as the vehicle number plate and the like; step (b), 2 radio frequency card readers are arranged at two ends of a linear parking area; step (c), storing the parking starting time and the parking ending time in corresponding storage units through a plurality of timing units adopting a set of timing clocks, wherein each timing unit randomly distributes read RFID card information and corresponds to the timing units in a timing section one by one; step (d), the radio frequency card reader successfully reads the card for the first time to trigger the timing unit, the radio frequency card reader successfully reads the card for the second time to lock the timing unit, and the accumulated time is calculated; step (e), the vehicle license plate information and the like are packaged and sent to an upper computer through a GPRS module; and (f) providing a storage space for each updated vehicle license plate through the upper computer, and accumulating the packaging information.
The above prior art solutions have the following drawbacks: the RFID chip can be identified by adding the RFID chip into the license plate number, but when a new vehicle arrives, the RFID chip needs to be added again into the license plate number, so that the whole entering process is more complicated, and the space for improvement is provided.
Disclosure of Invention
The invention aims to provide an automatic parking charging method which has the characteristics of quicker identification, simpler entering and exiting and no need of installing RFID.
The above object of the present invention is achieved by the following technical solutions:
a method of parking automatic fare collection comprising:
acquiring a current entrance license plate number in an entrance detection area and a current exit license plate number in an exit detection area;
controlling the rising and falling of an entrance knife according to the number of the entrance license plate;
judging whether the entrance license plate number is in a preset license plate library or not;
if the license plate is in the license plate library, parking and timing; if the license plate number is not in the license plate library, parking and timing are carried out, binding information is sent to the number corresponding to the entrance license plate number, and the license plate number in the license plate library is updated after the user terminal completes binding;
generating a payment order according to the time difference identified by the entrance license plate number and the exit license plate number, and sending the payment order to a user end bound with the license plate number;
if the user finishes the payment of the payment bill, controlling the rising and falling of the outlet knife switch; otherwise, the outlet knife is not changed.
Through adopting above-mentioned technical scheme, through the discernment to entry license plate number and export license plate number to discernment vehicle to through discernment with the rising and falling of control plug-in strip, and through the time of parking with the control vehicle of triggering to the plug-in strip, thereby calculate the holistic charging condition, and pay fee through the user, with the rising and falling of control export plug-in strip, need not install RFID, discernment is more swift, and the business turn over is simpler.
The present invention in a preferred example may be further configured to: the method comprises the following steps:
acquiring inlet approach information of an inlet and outlet approach information of an outlet;
acquiring an entrance license plate number according to the entrance approaching information;
if the entrance license plate number is not identified at the entrance, acquiring an entrance image of an entrance detection area;
recognizing the temporary license plate number at the entrance and the exit according to the entrance image and replacing the entrance license plate number;
acquiring the number of the exit license plate according to the exit approaching information;
if the exit license plate number is not identified at the exit, acquiring an exit image of the exit detection area;
and recognizing an export temporary license plate number according to the export image and replacing the export license plate number.
Through adopting above-mentioned technical scheme, be close to information and the acquirement that the entry is close to the information through being close to the export to whether having the vehicle to be close to and judging, and then acquire the image, and judge the license plate number, when meetting interim vehicle, through judging interim license plate, thereby also supply the vehicle business turn over that has interim license plate, improved holistic intellectuality.
The present invention in a preferred example may be further configured to: the detection image comprises an entrance image and an exit image, and the method for identifying the temporary license plate number by the detection image comprises the following steps:
acquiring a detection image in a current detection area;
vehicle identification is carried out on the detected image through a vehicle detection model, and a vehicle target frame is output;
in the vehicle target frame, recognizing a temporary license plate under a windshield through a temporary license plate model, and outputting a temporary license plate frame;
and searching out the temporary license plate number from the preset character database according to the temporary license plate frame.
By adopting the technical scheme, when the temporary license plate number is identified, the corresponding detection area is detected, so that the detection image is obtained, the vehicle is identified, the vehicle is judged, after the vehicle is detected, the temporary license plate is further identified, the license plate number is identified, the vehicle is determined, the vehicle is fed in and out, and the flexibility of use of the whole vehicle is improved.
The present invention in a preferred example may be further configured to: the method for controlling the displacement and rising and falling of the inlet auxiliary gate according to the recognition condition of the inlet license plate number, controlling the displacement and rising and falling of the outlet auxiliary gate according to the recognition condition of the outlet license plate number, and controlling the displacement and rising and falling of the auxiliary gate by the recognition of the license plate number comprises the following steps:
judging whether the license plate number exists in the current detection area;
if the license plate number is identified in the current detection area, acquiring a vehicle parking distance from the rear end of the vehicle corresponding to the current license plate number to the knife switch;
controlling the auxiliary brake to move to a position corresponding to the falling distance to fall the auxiliary brake according to the falling distance of the sum of the vehicle parking distance and the preset safety distance;
if the switch blade in the current detection area finishes rising and falling actions, the auxiliary gate is controlled to retract;
if the license plate number is not recognized in the current detection area, the auxiliary brake keeps a retracting state.
Through adopting above-mentioned technical scheme, through the setting of supplementary floodgate to restrict the back row vehicle, not only reduce the rear-end collision of back car, also improve the ability of license plate discernment simultaneously, avoid the back car with the car tension and the recognition problem that leads to, and also reduce the back car and follow closely following the front truck and the problem of the charge of escaping that appears.
The present invention in a preferred example may be further configured to: the method comprises the following steps:
when the vehicle parking distance corresponding to the current license plate number is obtained, the rear distance between a vehicle behind the current license plate number in the current detection area and the switch blade is synchronously obtained;
calculating the gap distance between the rear distance and the falling distance;
judging whether the gap distance is larger than a preset collision distance;
if the gap distance is greater than the collision distance, controlling the auxiliary brake to fall at the position of the falling distance; otherwise, voice warning is carried out.
Through adopting above-mentioned technical scheme, park the position through the vehicle and judge to the reasonable whereabouts position to supplementary floodgate is controlled, thereby has improved holistic safety in utilization, and saves space more, has improved the intellectuality of use, and when too being close to, supplementary floodgate does not fall down, and carries out the suggestion of pronunciation.
The present invention in a preferred example may be further configured to: the method for acquiring the parking distance of the vehicle comprises the following steps:
acquiring a current display image after the camera is installed, wherein the current display image is a real-time video frame to obtain a BGR three-channel color image;
screening out a target area image which is inconsistent with a preset field image from the current display image, and keeping the pixel values of the target area image consistent with the picture pixel values in the field image;
and judging a base point from a pre-trained base point model according to the target area image so as to calculate the distance from the base point to the preset knife switch position, namely the vehicle parking distance.
Through adopting above-mentioned technical scheme, through the discernment to the image to gather current display image, thereby judge different places through the place image, with as target area image, the vehicle image of discerning promptly, if the car has the goods, also can discern this moment, more intelligent.
The present invention in a preferred example may be further configured to: the training method of the base point model comprises the following steps:
acquiring different target area images and taking the different target area images as sample images;
carrying out data cleaning on a sample image, cutting the sample image into preset image pixel values and preprocessing the preset image pixel values;
inputting the preprocessed sample image information into a neural network for training so as to learn a base point in the image of the discriminable target area, wherein the base point is a pixel point which is farthest from a switch blade and can be recognized in the image of the target area, and selecting a neural network model with an accuracy rate which is greater than a preset accuracy rate in an accuracy rate curve graph;
and outputting the well-learned neural network model to generate a base point model.
By adopting the technical scheme, the base point in the target area image is found through the base point model, the position is calculated through the judgment of the base point, the overall accuracy is improved through the algorithm of the neural network, and the practicability is high.
The invention also aims to provide an automatic parking charging system which has the characteristics of quicker identification, simpler entering and exiting and no need of installing RFID.
The second aim of the invention is realized by the following technical scheme:
an automatic parking toll collection system comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring an entrance license plate number, an exit license plate number, entrance approach information, exit approach information, an entrance image, an exit image, a vehicle parking distance, a rear distance and a front display image;
a memory for storing a program of the control method of the parking automatic charging method as described above;
processor, a program in a memory being loadable executable by the processor and implementing a control method of a parking automatic charging method according to any of claims 1 to 7.
Through adopting above-mentioned technical scheme, through the discernment to entry license plate number and export license plate number to discernment vehicle to through discernment with the rising and falling of control plug-in strip, and through the time of parking with the control vehicle of triggering to the plug-in strip, thereby calculate the holistic charging condition, and pay fee through the user, with the rising and falling of control export plug-in strip, need not install RFID, discernment is more swift, and the business turn over is simpler.
The invention aims to provide an intelligent terminal which has the characteristics of quicker identification, simpler entering and exiting and no need of installing RFID.
The third object of the invention is realized by the following technical scheme:
an intelligent terminal comprises a memory and a processor, wherein a computer program which can be loaded by the processor and can execute the parking automatic charging method is stored in the memory.
Through adopting above-mentioned technical scheme, through the discernment to entry license plate number and export license plate number to discernment vehicle to through discernment with the rising and falling of control plug-in strip, and through the time of parking with the control vehicle of triggering to the plug-in strip, thereby calculate the holistic charging condition, and pay fee through the user, with the rising and falling of control export plug-in strip, need not install RFID, discernment is more swift, and the business turn over is simpler.
The invention also provides a computer storage medium which can store corresponding programs and has the characteristics of convenience for realizing identification, rapidness, simpleness for entering and exiting and no need of installing RFID.
The fourth object of the invention is realized by the following technical scheme:
a computer readable storage medium storing a computer program that can be loaded by a processor and executed to perform any of the above-described parking automatic charging methods.
Through adopting above-mentioned technical scheme, through the discernment to entry license plate number and export license plate number to discernment vehicle to through discernment with the rising and falling of control plug-in strip, and through the time of parking with the control vehicle of triggering to the plug-in strip, thereby calculate the holistic charging condition, and pay fee through the user, with the rising and falling of control export plug-in strip, need not install RFID, discernment is more swift, and the business turn over is simpler.
In summary, the invention includes at least one of the following beneficial technical effects:
1. RFID does not need to be installed, the identification is faster, and the entering and exiting are simpler;
2. reduce the back car with the car, it is safer.
Drawings
FIG. 1 is a flow chart of a method for parking automatic fare collection.
Fig. 2 is a flowchart of a method for detecting a temporary license plate number.
Fig. 3 is a flowchart of a method for temporary license plate number identification.
FIG. 4 is a flow chart of a method of assisting gate landing.
FIG. 5 is a flowchart of a method for determining the drop distance of the auxiliary gate.
Fig. 6 is a flowchart of a method of generating a vehicle stopping distance.
FIG. 7 is a flow chart of a method of base point model generation.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
The embodiment of the invention provides an automatic parking charging method, which does not need to install RFID and has the characteristics of quicker identification and simpler entering and exiting.
Referring to fig. 1, the manner of vehicle ingress and egress and blade rise and fall control includes:
step 100: and acquiring the current entrance license plate number in the entrance detection area and the current exit license plate number in the exit detection area.
The entrance detection area is an entrance of the garage, and the exit detection area is an exit of the garage. Meanwhile, the exit license plate number and the entrance license plate number are recognized, and the license plate is recognized through the camera, so that the license plate number at the current position is known.
Step 101: controlling the rising and falling of the entrance knife according to the entrance license plate number.
Once the entrance license plate number is detected, the entrance license plate number indicates that the vehicle needs to enter, the switch blade is controlled to be opened at the moment, the switch blade is controlled to fall after the vehicle passes through, and the vehicle passes through and then is detected through equipment such as a proximity sensor, so that the control is carried out. The blade and the auxiliary blade in this embodiment are all a stopper bar, a barrier bar, a lifting bar, and the like for blocking the passage of a vehicle.
Step 102: and judging whether the entrance license plate number is in a preset license plate library or not.
After the license plate is identified, whether the number of the entrance license plate is in a preset license plate library or not is judged, the license plate in the license plate library is preset, and the license plate number is bound through a user side on the hand of a user, so that the addition of the license plate number in the license plate library is completed, and the user side is a mobile phone, an intelligent watch and the like.
Step 103: if the license plate is in the license plate library, parking and timing; if the license plate number is not in the license plate library, parking and timing are carried out, binding information is sent to the number corresponding to the entrance license plate number, and the license plate number in the license plate library is updated after the user side completes binding.
Once the vehicle is in the license plate library, the vehicle is recorded in advance, and therefore parking timing is directly carried out.
And once the vehicle is not in the license plate library, parking timing is carried out, binding information is sent to a number corresponding to the entrance license plate number, the number corresponding to the license plate number is a mobile phone number, and the number is inquired and obtained through information in the vehicle management station. And the user side binds, so that the license plate number in the license plate library is updated after the binding is finished.
Step 104: and generating a payment order according to the time difference identified by the entrance license plate number and the exit license plate number, and sending the payment order to the user end bound with the license plate number.
The entrance license plate number and the exit license plate number have time difference in the process of identification, the time for parking the vehicle is judged through the time difference, and a payment bill is generated and sent to the user end bound with the license plate number.
Step 105: if the user finishes the payment of the payment bill, controlling the rising and falling of the outlet knife switch; otherwise, the outlet knife is not changed.
Once the payment of the payment bill on the user end is finished, the exit knife switch is controlled to be opened and falls down after the vehicle goes out; and controlling the exit knife switch to be kept unchanged once the payment bill on the user terminal is not paid.
Referring to fig. 2, once the user has no license plate, that is, the new car bought by the customer only has a temporary license plate, the corresponding license plate recognition method is adopted, and the specific steps of the method are as follows:
step 200: the entrance approach information of the entrance and the exit approach information of the exit are acquired.
The conditions of the inlet and the outlet are detected and judged through the proximity sensor, when a vehicle approaches, the approach information is output at the inlet and the outlet, and the approach information is output at the outlet.
Step 201: and acquiring the entrance license plate number according to the entrance approaching information.
Once the entrance approaching information is received, the entrance license plate number is obtained, so that the occupation of resources is reduced, and the electric energy used by the sensor is far less than that used by the camera.
Step 202: and if the entrance license plate number is not identified at the entrance, acquiring an entrance image of the entrance detection area.
If the entrance license plate number is not recognized at the entrance, the entrance image acquisition is carried out on the entrance detection area, and a camera for acquiring the entrance image and a camera for recognizing the license plate number of the entrance vehicle do not belong to the same camera. When the entrance image is obtained, the camera for recognizing the entrance license plate number does not detect.
Step 203: and recognizing the temporary license plate number at the entrance and the exit according to the entrance image and replacing the entrance license plate number.
And replacing the entrance license plate number with the entrance temporary license plate number identified by the entrance image so as to compare with the license plate library for searching. The replacement is targeted because the license plate number of the corresponding user is changed.
Step 204: and acquiring the number of the exit license plate according to the exit approach information.
Once the outlet approaching information is received, the outlet license plate number can be obtained, so that the occupation of resources is reduced, and the electric energy used by the sensor is far greater than that used by the camera.
Step 205: and if the exit license plate number is not identified at the exit, acquiring an exit image of the exit detection area.
If the exit license plate number is not recognized at the exit, the exit image acquisition is carried out on the exit detection area, and the camera for acquiring the exit image and the camera for recognizing the license plate number of the exit vehicle do not belong to the same camera. When the exit image is obtained, the camera for identifying the exit license plate number does not detect.
Step 206: and recognizing an export temporary license plate number according to the export image and replacing the export license plate number.
And replacing the outlet temporary license plate number by the outlet temporary license plate number identified by the outlet image so as to compare with the license plate library for searching.
Referring to fig. 3, the detection image includes an entrance image and an exit image, and the detection methods of the exit image and the entrance image are consistent, and the method for detecting the image recognition temporary license plate number includes the following method steps:
step 300: and acquiring a detection image in the current detection area.
And acquiring the detection image in the current detection area through the camera, and acquiring in a photo mode when acquiring.
Step 301: and carrying out vehicle identification on the detection image through a vehicle detection model, and outputting a vehicle target frame.
The vehicle detection model is a model stored in advance by workers and comprises vehicle types such as cars and SUVs, after the detection image comes out, the detection image is compared and identified through the vehicle detection model set in advance, so that the vehicle is identified from the detection image, and the detection image is framed and selected in a vehicle target frame mode to be identified.
Step 302: and in the vehicle target frame, recognizing the temporary license plate under the windshield through the temporary license plate model, and outputting a temporary license plate frame.
And in the vehicle target frame, recognizing the temporary license plate under the windshield, and comparing the temporary license plate through a preset temporary license plate model during recognition so as to output a temporary license plate frame.
Step 303: and searching out the temporary license plate number from the preset character database according to the temporary license plate frame.
After the temporary license plate frame is identified, the characters, the son and mother characters and the numbers are identified through the pre-stored character database, and the temporary license plate number is searched out from the character database through the temporary license plate frame, so that the identification of the temporary license plate number is completed.
Referring to fig. 4, the displacement and the rising and falling of the auxiliary gate of the entrance are controlled by the recognition of the license plate number of the entrance, the auxiliary gate is displaced by the linear slide rail, and other displacement devices can be used for moving, and the auxiliary gate is opened and falls in the same way as the rising and falling of the gate. The inlet auxiliary brake and the outlet auxiliary brake are used for isolating the front vehicle from the rear vehicle.
The method for controlling the displacement and the rising and falling of the outlet auxiliary gate according to the identification condition of the outlet license plate number, and the identification of the license plate number for controlling the displacement and the rising and falling of the auxiliary gate comprises the following steps:
and step 400, judging whether the license plate number exists in the current detection area.
Whether license plate numbers exist in the current detection area or not is judged through the camera, and the license plate numbers comprise temporary license plate numbers, export license plate numbers and entry license plate numbers.
Step 401, if the license plate number is identified in the current detection area, obtaining a vehicle parking distance from the rear end of the vehicle corresponding to the current license plate number to the switch blade.
Once the license plate number is identified in the current detection area, the distance from the parking space of the vehicle corresponding to the current license plate number to the switch blade in front of the vehicle 1, namely the parking distance of the vehicle, is obtained.
And 402, controlling the auxiliary brake to move to a position corresponding to the falling distance to fall the auxiliary brake according to the falling distance of the sum of the vehicle parking distance and the preset safety distance.
The safety distance is the distance set by the staff, the falling distance of the auxiliary brake falls is calculated by calculating the sum of the vehicle parking distance and the safety distance, the auxiliary brake is controlled to move to the position corresponding to the falling distance, and the auxiliary brake is controlled to fall, so that the isolation of the single vehicle is realized.
And 403, if the switch blade in the current detection area finishes the lifting action, controlling the auxiliary switch to retract.
After the switch blade in the current detection area triggers the action of accomplishing to rise and fall, the front truck has passed through the switch blade this moment to all be in the sky in switch blade and the supplementary floodgate, the supplementary floodgate of control is packed up this moment, advances with the back car front of supplying.
And step 404, if the license plate number is not identified in the current detection area, the auxiliary brake keeps a retracting state.
If the license plate number is not recognized in the current detection area, namely no front vehicle exists, the auxiliary brake is kept in a retracted state at the moment, and therefore a rear vehicle can enter the auxiliary brake.
Referring to fig. 5, before the auxiliary brake falls down, the distance between the rear vehicle and the front vehicle needs to be detected, and the detection method includes the following steps:
step 500: and when the vehicle parking distance corresponding to the current license plate number is obtained, synchronously obtaining the rear distance between the vehicle behind the current license plate number in the current detection area and the switch blade.
And when the vehicle parking distance corresponding to the current license plate number is obtained, synchronously obtaining the rear distance between a vehicle behind the current license plate number in the current detection area and the switch blade, wherein the rear distance is the distance between the switch blade and the head of a second vehicle. The rear distance can be calculated by means of image recognition, or can be detected by a distance sensor.
Step 501: the clearance distance between the rear distance and the drop distance is calculated.
The clearance distance between the two vehicles, namely the gap distance between the front vehicle and the rear vehicle is obtained by calculating the rear distance and the falling distance.
Step 502: and judging whether the gap distance is larger than the preset collision distance.
The collision distance is the distance set by the worker, and whether the gap distance is greater than the collision distance is judged, so that whether the auxiliary brake is contacted with a rear vehicle when falling is judged.
Step 503: if the gap distance is greater than the collision distance, controlling the auxiliary brake to fall at the position of the falling distance; otherwise, voice warning is carried out.
Once the gap distance is greater than the collision distance, the auxiliary brake is controlled to fall at the position of the falling distance; once the gap distance is less than or equal to the collision distance, voice warning is carried out through a loudspeaker, and therefore the rear vehicle is prompted to retreat.
Referring to fig. 6, the method for detecting and acquiring the parking distance of the vehicle includes the following steps:
step 600: and acquiring a current display image after the camera is installed, wherein the current display image is a real-time video frame to obtain a BGR three-channel color image.
The camera outputs the current display condition according to the installation position, and meanwhile, the OpenCV library is used for frame extraction of the real-time video collected by the camera, so that a BGR three-channel color image is obtained.
Step 601: and screening out target area images inconsistent with the preset field images from the current display images, and keeping the pixel values of the target area images consistent with the picture pixel values in the field images.
And comparing the display image with the field image to judge different images so as to output a target area image, and keeping the pixel values of the pictures consistent so as to obtain the pictures with the same size so as to improve the overall judgment accuracy.
Step 602: and judging a base point from a pre-trained base point model according to the target area image so as to calculate the distance from the base point to the preset knife switch position, namely the vehicle parking distance.
The base point model is preset, the target area image is substituted into the base point model, so that the position of the base point is judged, and the vehicle parking distance is calculated through the position of the base point and the position of a preset switch blade.
Referring to fig. 7, the training method of the base point model includes the following steps:
step 700: different target area images are acquired and taken as sample images.
When the base point model is established, the current area image is used as a sample image, and a large number of sample images are input, so that the acquisition calculation is performed. The acquisition is realized based on deep learning, a large amount of marked data are used as samples, a large amount of sample images are acquired through a camera, and the resolution of the images is preferably 640 × 480.
Step 701: and cleaning the data of the sample image, cutting the sample image into preset image pixel values and preprocessing the preset image pixel values.
The data cleaning is to delete the repeated image, the overexposed image, the dark image, and the like. And cutting the qualified image into picture pixel values for processing, wherein the cutting process can also be processed in a manual framing mode.
Step 702: inputting the preprocessed sample image information into a neural network for training so as to learn a base point in the image of the discriminable target area, wherein the base point is a pixel point which is farthest from the knife switch and can be recognized in the image of the target area, and selecting a neural network model with an accuracy rate which is greater than the preset accuracy rate in an accuracy rate curve graph.
And inputting the sample image information into a neural network, wherein the neural network is mainly used for learning, and one pixel point which is farthest away from the knife switch is taken as a base point.
Training is performed through the preprocessed image of the neural network, so that the characteristics of the base points in the target area can be distinguished are learned, and the sample is predicted. And meanwhile, when the neural network model is used, the model with the accuracy rate higher than the preset accuracy rate in the accuracy rate curve graph is selected, so that the accuracy is improved.
Step 703: and outputting the well-learned neural network model to generate a base point model.
After training is completed, a well-learned neural network model is obtained, and the model can be conveniently deployed in mobile equipment, such as raspberry pi 3b + and the like, so that the position of a base point can be judged.
Based on the same inventive concept, the embodiment of the invention provides an automatic parking charging system, which comprises:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring an entrance license plate number, an exit license plate number, entrance approach information, exit approach information, an entrance image, an exit image, a vehicle parking distance, a rear distance and a front display image;
a memory for storing a program of a control method of the parking automatic charging method as any one of fig. 1 to 7;
a processor, a program in a memory capable of being loaded for execution by the processor and implementing a control method of the parking automatic charging method as in any one of fig. 1 to 7.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
An embodiment of the present invention provides a computer-readable storage medium storing a computer program capable of being loaded by a processor and executing the method shown in any one of fig. 1 to 7.
Computer storage media include, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Based on the same inventive concept, an embodiment of the present invention provides an intelligent terminal, which includes a memory and a processor, where the memory stores a computer program that can be loaded by the processor and execute any one of the methods shown in fig. 1 to 7.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working processes of the system, the apparatus and the unit described above, reference may be made to the corresponding processes in the foregoing method embodiments, and details are not described here again.
Claims (10)
1. An automatic parking fee collection method, comprising:
acquiring a current entrance license plate number in an entrance detection area and a current exit license plate number in an exit detection area;
controlling the rising and falling of an entrance knife according to the number of the entrance license plate;
judging whether the entrance license plate number is in a preset license plate library or not;
if the license plate is in the license plate library, parking and timing; if the license plate number is not in the license plate library, parking and timing are carried out, binding information is sent to the number corresponding to the entrance license plate number, and the license plate number in the license plate library is updated after the user terminal completes binding;
generating a payment order according to the time difference identified by the entrance license plate number and the exit license plate number, and sending the payment order to a user end bound with the license plate number;
if the user finishes the payment of the payment bill, controlling the rising and falling of the outlet knife switch; otherwise, the outlet knife is not changed.
2. The method of claim 1, comprising:
acquiring inlet approach information of an inlet and outlet approach information of an outlet;
acquiring an entrance license plate number according to the entrance approaching information;
if the entrance license plate number is not identified at the entrance, acquiring an entrance image of an entrance detection area;
recognizing the temporary license plate number at the entrance and the exit according to the entrance image and replacing the entrance license plate number;
acquiring the number of the exit license plate according to the exit approaching information;
if the exit license plate number is not identified at the exit, acquiring an exit image of the exit detection area;
and recognizing an export temporary license plate number according to the export image and replacing the export license plate number.
3. The method of claim 2, wherein the inspection image includes an entrance image and an exit image, and wherein the inspection image identifies a temporary license plate number, the method comprising:
acquiring a detection image in a current detection area;
vehicle identification is carried out on the detected image through a vehicle detection model, and a vehicle target frame is output;
in the vehicle target frame, recognizing a temporary license plate under a windshield through a temporary license plate model, and outputting a temporary license plate frame;
and searching out the temporary license plate number from the preset character database according to the temporary license plate frame.
4. The method of claim 1, wherein the controlling the shifting and raising of the entrance auxiliary gate according to the identification of the entrance license plate number, the controlling the shifting and raising of the exit auxiliary gate according to the identification of the exit license plate number, and the identifying of the license plate number for controlling the shifting and raising of the auxiliary gate comprises:
judging whether the license plate number exists in the current detection area;
if the license plate number is identified in the current detection area, acquiring a vehicle parking distance from the rear end of the vehicle corresponding to the current license plate number to the knife switch;
controlling the auxiliary brake to move to a position corresponding to the falling distance to fall the auxiliary brake according to the falling distance of the sum of the vehicle parking distance and the preset safety distance;
if the switch blade in the current detection area finishes rising and falling actions, the auxiliary gate is controlled to retract;
if the license plate number is not recognized in the current detection area, the auxiliary brake keeps a retracting state.
5. The method of claim 4, comprising:
when the vehicle parking distance corresponding to the current license plate number is obtained, the rear distance between a vehicle behind the current license plate number in the current detection area and the switch blade is synchronously obtained;
calculating the gap distance between the rear distance and the falling distance;
judging whether the gap distance is larger than a preset collision distance;
if the gap distance is greater than the collision distance, controlling the auxiliary brake to fall at the position of the falling distance; otherwise, voice warning is carried out.
6. The method according to claim 4, wherein the method of obtaining the parking distance of the vehicle comprises:
acquiring a current display image after the camera is installed, wherein the current display image is a real-time video frame to obtain a BGR three-channel color image;
screening out a target area image which is inconsistent with a preset field image from the current display image, and keeping the pixel values of the target area image consistent with the picture pixel values in the field image;
and judging a base point from a pre-trained base point model according to the target area image so as to calculate the distance from the base point to the preset knife switch position, namely the vehicle parking distance.
7. The method of claim 6, wherein the training method of the base point model comprises:
acquiring different target area images and taking the different target area images as sample images;
carrying out data cleaning on a sample image, cutting the sample image into preset image pixel values and preprocessing the preset image pixel values;
inputting the preprocessed sample image information into a neural network for training so as to learn a base point in the image of the discriminable target area, wherein the base point is a pixel point which is farthest from a switch blade and can be recognized in the image of the target area, and selecting a neural network model with an accuracy rate which is greater than a preset accuracy rate in an accuracy rate curve graph;
and outputting the well-learned neural network model to generate a base point model.
8. An automatic parking fee collection system, comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring an entrance license plate number, an exit license plate number, entrance approach information, exit approach information, an entrance image, an exit image, a vehicle parking distance, a rear distance and a front display image;
a memory for storing a program of a control method of the parking automatic charging method according to any one of claims 1 to 7;
processor, a program in a memory being loadable executable by the processor and implementing a control method of a parking automatic charging method according to any of claims 1 to 7.
9. An intelligent terminal, comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that executes the method according to any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 1 to 7.
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| CN202010569647.1A CN111833464A (en) | 2020-06-20 | 2020-06-20 | Parking automatic charging method, system, intelligent terminal and storage medium |
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| CN202010569647.1A CN111833464A (en) | 2020-06-20 | 2020-06-20 | Parking automatic charging method, system, intelligent terminal and storage medium |
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Application publication date: 20201027 |