CN111259911A - Method for detecting parking space occupied by non-new energy vehicle in charging pile - Google Patents
Method for detecting parking space occupied by non-new energy vehicle in charging pile Download PDFInfo
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- CN111259911A CN111259911A CN201811467555.1A CN201811467555A CN111259911A CN 111259911 A CN111259911 A CN 111259911A CN 201811467555 A CN201811467555 A CN 201811467555A CN 111259911 A CN111259911 A CN 111259911A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000003086 colorant Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000004069 differentiation Effects 0.000 description 6
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/56—Extraction of image or video features relating to colour
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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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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- 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
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- 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
Abstract
The invention discloses a method for detecting parking spaces occupied by non-new energy vehicles in charging piles, which comprises the following steps: acquiring a vehicle image at a parking spot of a charging pile; identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body; judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body; if the vehicle is a non-new energy vehicle, alarming; the method comprises the following steps of automatically capturing the number plate of a parked vehicle by using a video camera arranged right in front of a parking space, identifying the number plate number, the color of the number plate, the characteristics of the vehicle and data related to the charged vehicle in a certain area, and achieving the purpose of detection; the software technology is used for detecting the vehicles parked on the parking spaces, the number plates of the parked vehicles are automatically identified, the software database technology is used for automatically detecting, alarming, uploading data and the like, and the purpose of protecting the scarce resources is achieved.
Description
Technical Field
The invention relates to the technical field of vehicle detection, in particular to a method for detecting parking spaces occupied by non-new energy vehicles in charging piles.
Background
Along with the state targets in place to the new energy vehicle subsidy policy, the preferential strength of new energy vehicle factory increases, and the growth rate of new energy vehicle is faster and faster, and as the necessary facility of new energy vehicle, the laying of filling electric pile seems to be very important, and the installation of filling electric pile is breach very big at present, how to exert the utilization ratio that fills electric pile at present also is a fairly important problem. Especially, the parking stall is occupied by the vehicle with the non-new energy in the parking stall of the existing charging pile, and the parking stall of the charging pile is occupied by the vehicle with the non-new energy in the automatic detection mode.
Disclosure of Invention
In view of the defects, the invention provides a method for detecting whether a non-new energy vehicle occupies a parking space of a charging pile.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
a detection method for a parking spot occupied by a non-new energy vehicle in a charging pile comprises the following steps:
acquiring a vehicle image at a parking spot of a charging pile;
identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body;
judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body;
and if the vehicle is a non-new energy vehicle, alarming.
According to one aspect of the invention, the acquiring the vehicle image of the charging pile parking space comprises: carry out video shooting or image shooting through setting up the camera in electric pile parking stall department.
According to one aspect of the invention, the identifying the image and acquiring the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and obtaining license plate characteristic parameters of the vehicle in the image through an image characteristic tracking algorithm, wherein the license plate characteristic parameters comprise license plate numbers and license plate colors.
According to one aspect of the invention, the judging whether the new energy vehicle is a new energy vehicle according to the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and judging whether the vehicle is a new energy vehicle or not according to the number of the license plate and the specific characteristics of the third position of the license plate, and if the vehicle does not meet the conditions, judging the vehicle is a non-new energy vehicle.
According to one aspect of the invention, the judging whether the new energy vehicle is a new energy vehicle according to the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and judging whether the acquired license plate color is green, and if not, determining that the license plate is a non-energy vehicle.
According to one aspect of the invention, the identifying the image and acquiring the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and obtaining vehicle body characteristic parameters of the vehicle in the image through an image recognition algorithm, wherein the vehicle body characteristic parameters comprise a vehicle type and a vehicle logo.
According to one aspect of the invention, the judging whether the new energy vehicle is a new energy vehicle according to the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and judging the obtained vehicle type and the vehicle logo, and if the vehicle type and the vehicle logo are the old vehicle type and the vehicle logo, the vehicle may be a non-new energy vehicle.
According to one aspect of the invention, the detection method comprises: judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body; if the new energy vehicle is the new energy vehicle, acquiring vehicle charging parameters through a charging pile; and judging whether to alarm or not according to the charging parameters.
According to one aspect of the invention, the detection method comprises the steps of: vehicle charging parameters are obtained through the charging pile, and data of charging vehicles in a certain area are recorded on a system cloud server.
According to one aspect of the invention, the judging whether to alarm according to the charging parameters comprises the following steps: and uploading the data of the non-new energy vehicles on the current vehicle positions to a cloud server, automatically and intelligently comparing by a server, judging whether the vehicle has an overcharge record, and if the charging pile in the area under jurisdiction has no charging record, or is an unregistered user, or has found a blacklist vehicle processed by the vehicle, automatically judging the vehicle to be the non-new energy vehicle by the system, and sending alarm information.
The implementation of the invention has the advantages that: the invention discloses a method for detecting occupation of a charging pile parking space by a non-new energy vehicle, which comprises the following steps: acquiring a vehicle image at a parking spot of a charging pile; identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body; judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body; if the vehicle is a non-new energy vehicle, alarming; the method comprises the following steps of automatically capturing the number plate of a parked vehicle by using a video camera arranged right in front of a parking space, identifying the number plate number, the color of the number plate, the characteristics of the vehicle and data related to the charged vehicle in a certain area, and achieving the purpose of detection; the software technology is used for detecting the vehicles parked on the parking spaces, the number plates of the parked vehicles are automatically identified, the software database technology is used for automatically detecting, alarming, uploading data and the like, and the purpose of protecting the scarce resources is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a detection method for a parking space occupied by a non-new energy vehicle in a charging pile according to a first embodiment of the present invention;
fig. 2 is a schematic view of a detection method for a parking space occupied by a non-new energy vehicle in a charging pile according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, a method for detecting a parking space occupied by a non-new energy vehicle in a charging pile includes the following steps:
step S1: acquiring a vehicle image at a parking spot of a charging pile;
the camera is arranged at the position of the charging pile parking space to shoot videos or images, and specifically, the number plate of a parked vehicle is automatically captured by the aid of the video camera arranged right in front of the parking space, so that the number plate number, the color of the number plate and the characteristics of the vehicle are identified.
Step S2: identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body;
automatically capturing the number plate of a parked vehicle by using a video camera arranged right in front of a parking space, and identifying the number plate number, the color of the number plate and the characteristics of the vehicle; obtaining license plate characteristic parameters of the vehicle in the image through an image characteristic tracking algorithm, wherein the license plate characteristic parameters comprise license plate numbers and license plate colors; and the image recognition algorithm obtains vehicle body characteristic parameters of the vehicle in the image, including the vehicle type, the vehicle logo and the like.
Step S3: judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body;
the method specifically comprises the following steps:
1. differentiation of license plate numbers
From 2016, 12, 1, new energy license plates are already checked in five cities in the country, the number of the new energy license plate is usually 8 digits, if the number of the new energy license plate is found to be 7 digits, the new energy license plate is probably not a new energy vehicle, and other methods are adopted for further confirmation.
The first digit of the new energy license plate number is Chinese characters, the second digit is letters, the third digit is 'F' or 'D', wherein F represents a hybrid vehicle, and D represents a pure electric vehicle, so that the most remarkable characteristic of the new energy vehicle is that the third digit of the license plate number is F or D. If the third number of the license plate number is F or D, the new energy vehicle can be basically determined, otherwise, the new energy vehicle is probably not the new energy vehicle, and the new energy license plate is further determined by data comparison in the follow-up process.
2. Differentiation of license plate colors
The color of the new energy license plate is different from that of the common license plate, and the new energy license plate is generally green or at least generally green. Therefore, when the license plate is detected, if the color of the license plate is found to be not green, the license plate is probably not a new energy vehicle, and whether the license plate is a new energy vehicle can be further determined through data comparison subsequently.
3. Differentiation of vehicle types and vehicle logos
The vehicle type and the vehicle logo of the new energy vehicle are slightly different from those of common vehicle types and vehicle logos, especially the new energy vehicle appears in recent years, if the old type vehicle type and the vehicle logo appear, the new energy vehicle can be used as a non-new energy vehicle, and the new energy vehicle can be further confirmed through data comparison subsequently.
Step S4: and if the vehicle is a non-new energy vehicle, alarming.
After the step S3 is confirmed and compared, the system automatically judges that the vehicle is a non-new energy vehicle and sends alarm information.
Example two
As shown in fig. 2, a method for detecting a parking space occupied by a non-new energy vehicle in a charging pile includes the following steps:
step S1: acquiring a vehicle image at a parking spot of a charging pile;
the camera is arranged at the position of the charging pile parking space to shoot videos or images, and specifically, the number plate of a parked vehicle is automatically captured by the aid of the video camera arranged right in front of the parking space, so that the number plate number, the color of the number plate and the characteristics of the vehicle are identified.
Step S2: identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body;
automatically capturing the number plate of a parked vehicle by using a video camera arranged right in front of a parking space, and identifying the number plate number, the color of the number plate and the characteristics of the vehicle; obtaining license plate characteristic parameters of the vehicle in the image through an image characteristic tracking algorithm, wherein the license plate characteristic parameters comprise license plate numbers and license plate colors; and the image recognition algorithm obtains vehicle body characteristic parameters of the vehicle in the image, including the vehicle type, the vehicle logo and the like.
Step S3: judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body;
the method specifically comprises the following steps:
1. differentiation of license plate numbers
From 2016, 12, 1, new energy license plates are already checked in five cities in the country, the number of the new energy license plate is usually 8 digits, if the number of the new energy license plate is found to be 7 digits, the new energy license plate is probably not a new energy vehicle, and other methods are adopted for further confirmation.
The first digit of the new energy license plate number is Chinese characters, the second digit is letters, the third digit is 'F' or 'D', wherein F represents a hybrid vehicle, and D represents a pure electric vehicle, so that the most remarkable characteristic of the new energy vehicle is that the third digit of the license plate number is F or D. If the third number of the license plate number is F or D, the new energy vehicle can be basically determined, otherwise, the new energy vehicle is probably not the new energy vehicle, and the new energy license plate is further determined by data comparison in the follow-up process.
2. Differentiation of license plate colors
The color of the new energy license plate is different from that of the common license plate, and the new energy license plate is generally green or at least generally green. Therefore, when the license plate is detected, if the color of the license plate is found to be not green, the license plate is probably not a new energy vehicle, and whether the license plate is a new energy vehicle can be further determined through data comparison subsequently.
3. Differentiation of vehicle types and vehicle logos
The vehicle type and the vehicle logo of the new energy vehicle are slightly different from those of common vehicle types and vehicle logos, especially the new energy vehicle appears in recent years, if the old type vehicle type and the vehicle logo appear, the new energy vehicle can be used as a non-new energy vehicle, and the new energy vehicle can be further confirmed through data comparison subsequently.
Step S4: and if the vehicle is a non-new energy vehicle, alarming.
After the step S3 is confirmed and compared, the system automatically judges that the vehicle is a non-new energy vehicle and sends alarm information.
Step S5: if the new energy vehicle is the new energy vehicle, acquiring vehicle charging parameters through a charging pile; and judging whether to alarm or not according to the charging parameters.
The charging pile is installed in a certain area, data of a charging vehicle is recorded on a system cloud server, when suspected non-new energy vehicle data are uploaded to the cloud server, the server side automatically and intelligently compares the data, whether the vehicle has an overcharge record or not is judged, if the charging pile in the area is not provided with the overcharge record, or the vehicle is an unregistered user, or a blacklist vehicle processed by the vehicle is found, the system automatically judges the vehicle to be the non-new energy vehicle, and alarm information is sent.
The implementation of the invention has the advantages that: the invention discloses a method for detecting occupation of a charging pile parking space by a non-new energy vehicle, which comprises the following steps: acquiring a vehicle image at a parking spot of a charging pile; identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body; judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body; if the vehicle is a non-new energy vehicle, alarming; the method comprises the following steps of automatically capturing the number plate of a parked vehicle by using a video camera arranged right in front of a parking space, identifying the number plate number, the color of the number plate, the characteristics of the vehicle and data related to the charged vehicle in a certain area, and achieving the purpose of detection; the software technology is used for detecting the vehicles parked on the parking spaces, the number plates of the parked vehicles are automatically identified, the software database technology is used for automatically detecting, alarming, uploading data and the like, and the purpose of protecting the scarce resources is achieved.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a detection method of non-new energy car occupation charging pile parking stall which characterized in that, the detection method includes following steps:
acquiring a vehicle image at a parking spot of a charging pile;
identifying the image and acquiring characteristic parameters of the license plate and/or the vehicle body;
judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body;
and if the vehicle is a non-new energy vehicle, alarming.
2. The method for detecting the occupation of the parking space of the charging pile by the non-new energy vehicle according to claim 1, wherein the step of acquiring the image of the vehicle at the parking space of the charging pile comprises the following steps: carry out video shooting or image shooting through setting up the camera in electric pile parking stall department.
3. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to claim 1, wherein the step of identifying the image and acquiring the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and obtaining license plate characteristic parameters of the vehicle in the image through an image characteristic tracking algorithm, wherein the license plate characteristic parameters comprise license plate numbers and license plate colors.
4. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to claim 3, wherein the step of judging whether the vehicle is a new energy vehicle according to the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and judging whether the vehicle is a new energy vehicle or not according to the number of the license plate and the specific characteristics of the third position of the license plate, and if the vehicle does not meet the conditions, judging the vehicle is a non-new energy vehicle.
5. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to claim 3, wherein the step of judging whether the vehicle is a new energy vehicle according to the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and judging whether the acquired license plate color is green, and if not, determining that the license plate is a non-energy vehicle.
6. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to claim 1, wherein the step of identifying the image and acquiring the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and obtaining vehicle body characteristic parameters of the vehicle in the image through an image recognition algorithm, wherein the vehicle body characteristic parameters comprise a vehicle type and a vehicle logo.
7. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to claim 6, wherein the step of judging whether the vehicle is a new energy vehicle according to the characteristic parameters of the license plate and/or the vehicle body comprises the following steps: and judging the obtained vehicle type and the vehicle logo, and if the vehicle type and the vehicle logo are the old vehicle type and the vehicle logo, the vehicle may be a non-new energy vehicle.
8. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to one of claims 1 to 7, wherein the method for detecting the parking space occupied by the non-new energy vehicle comprises the following steps: judging whether the vehicle is a new energy vehicle or not according to the characteristic parameters of the license plate and/or the vehicle body; if the new energy vehicle is the new energy vehicle, acquiring vehicle charging parameters through a charging pile; and judging whether to alarm or not according to the charging parameters.
9. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile is characterized by comprising the following steps: vehicle charging parameters are obtained through the charging pile, and data of charging vehicles in a certain area are recorded on a system cloud server.
10. The method for detecting the parking space occupied by the non-new energy vehicle in the charging pile according to claim 9, wherein the step of judging whether to alarm according to the charging parameters comprises the following steps: and uploading the data of the non-new energy vehicles on the current vehicle positions to a cloud server, automatically and intelligently comparing by a server, judging whether the vehicle has an overcharge record, and if the charging pile in the area under jurisdiction has no charging record, or is an unregistered user, or has found a blacklist vehicle processed by the vehicle, automatically judging the vehicle to be the non-new energy vehicle by the system, and sending alarm information.
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