CN106530732A - Parking lot video vehicle license plate recognition system based on ORC technology - Google Patents
Parking lot video vehicle license plate recognition system based on ORC technology Download PDFInfo
- Publication number
- CN106530732A CN106530732A CN201610983344.8A CN201610983344A CN106530732A CN 106530732 A CN106530732 A CN 106530732A CN 201610983344 A CN201610983344 A CN 201610983344A CN 106530732 A CN106530732 A CN 106530732A
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Classifications
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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
-
- 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
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Traffic Control Systems (AREA)
- Character Input (AREA)
Abstract
The invention discloses a parking lot video car license plate recognition system based on the ORC technology. The dynamic video of a vehicle is used to carry out automatic recognition mode of a license plate number and a license plate color, through collecting and processing an image, the automatic recognition function of a license plate is completed, a license plate image can be automatically extracted from one image, characters are automatically segmented, and thus the characters are recognized. Through using the Tsinghua OCR technology, the algorithms of license plate positioning, license plate character segmentation and license plate character recognition and the like are integrated, thus the system has the advantages of high recognition efficiency, a fast speed, high adaptability, and convenience in use, the effects of rapid recognition and rapid recording can be achieved in recording the license plate, and great convenience is brought to the management of a parking company.
Description
Technical field
The invention belongs to parking system technical field, is related to a kind of Vehicle License Plate Recognition System, it is specifically a kind of to be based on ORC technologies
Parking lot video Vehicle License Plate Recognition System.
Background technology
Increasing year by year for state motor vehicle recoverable amount brings increasingly serious problem, wisdom to park to the traffic administration in city
Concept spread in each big city successively, wisdom parking system energy effectively solving city parking is difficult, present situation that is disorderly stopping, while energy
Economic benefit is brought to local government.The popularization that city intelligent is parked is imperative, and wisdom is parked and needs to enter each automobile
Driving trade mark typing, at present, most of Managed Solutions are all by the way of manual entry license plate number.
However, depend merely on manually going the license plate number of typing car to be extremely difficult, and following problem can be produced：
1st, license plate number is manually entered than relatively time-consuming, increased time cost, can sometimes make car owner be unsatisfied with；
2nd, long-time manual operation can produce the problem of car plate typing mistake unavoidably, all bring and entangle to car owner and the company that parks
Confused problem；
3rd, it is manually entered car plate and there are many uncertainties, toll collector can be received illegal fee using uncommon car plate,
Difficult management and economic loss are brought to the company of parking.
The content of the invention
It is an object of the invention to provide a kind of parking lot video Vehicle License Plate Recognition System based on ORC technologies.
The purpose of the present invention can be achieved through the following technical solutions：
Based on the parking lot video Vehicle License Plate Recognition System of ORC technologies, examine including the vehicle on the parking position of parking lot
Measurement equipment and video capture device, described vehicle equipment and video capture device are all connected with video control module, described
Video capture device connection Vehicle location license module, described Vehicle location license module concatenation character segmentation module and background color identification mould
Block, described Character segmentation module concatenation character identification module, described character recognition module and background color identification module are all connected with
As a result output module, described result output module connection data memory module；
Described vehicle equipment, when vehicle is sailed into/rolled away from, the change-detection of base area sense surrounding magnetic field is to vehicle
Sail into/roll away from, output vehicle sail/roll away from signal into video control module；
Described video control module, when receive vehicle equipment output vehicle sail into/roll signal away from when, output
Video acquisition instructs/stops acquisition instructions to video capture device；
Described video capture device, when the video acquisition for receiving video control module output is instructed, collection is parked
The video image information at position scene, and export Vehicle location license module；When the stopping collection for receiving video control module output
During instruction, stop video acquisition work；
Described Vehicle location license module, is processed for the video image information to receiving, and is calculated using License Plate
Method, gathers the image of car plate, and exports Character segmentation module and background color identification module；
Described background color identification module, carries out colour recognition for the license plate image to receiving, and obtains the background color of car plate,
And export result output module；
Described Character segmentation module, is processed for the license plate image to receiving, and is calculated using license plate character segmentation
The number-plate number is divided into independent character picture, and exports character recognition module by method；
Described character recognition module, is processed for the character picture to receiving, using Tsing-Hua University's ORC characters on license plate
Recognizer, is identified to character picture, and is combined into number-plate number output to result output module；
Described result output module, using PC terminals or mobile phone terminal, the number-plate number and car that real-time exhibition is received
Board color, while by the number-plate number and car plate color storage to data memory module；
Described data memory module, for storing the number-plate number and car plate color of the output of result output module.
Further, vehicle equipment adopts wireless geomagnetism vehicle detector.
Beneficial effects of the present invention：The present invention carries out license number, licence plate color using the dynamic video of vehicle and knows automatically
Other pattern, by collection and process to image, completes license auto-recognition system function, can automatically extract car from piece image
Board image, automatic separating character, and then character is identified, by using Tsing-Hua University's OCR technique, having merged License Plate, car
Board character cutting, Recognition of License Plate Characters scheduling algorithm, make system have fast recognition efficiency height, speed, strong adaptability, easy to use etc.
Advantage, can not only reach quick identification, the effect of Rapid input, and can bring pole to the management of the company that parks during car plate typing
Big convenience.
Description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the system schematic of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the invention provides a kind of parking lot video Vehicle License Plate Recognition System based on ORC technologies, including peace
The vehicle equipment being mounted on the parking position of parking lot and video capture device, vehicle equipment and video capture device connect
Connect video control module, video capture device connection Vehicle location license module, Vehicle location license module concatenation character segmentation module and bottom
Colour discrimination module, Character segmentation module concatenation character identification module, character recognition module and background color identification module are all connected with result
Output module, as a result output module connection data memory module.
Vehicle equipment, using wireless geomagnetism vehicle detector, when vehicle is sailed into/is rolled away from, magnetic around the sense of base area
Signal is sailed/rolled away to change-detection the sailing into/rolling away to vehicle of field, output vehicle into video control module.
Video control module, when receive vehicle equipment output vehicle sail into/roll signal away from when, output video adopt
Collection instruction/stop acquisition instructions to video capture device.
Video capture device, using high-definition camera, when the video acquisition for receiving video control module output is instructed,
The video image information at collection parking position scene, and export Vehicle location license module；When receive video control module output
When stopping acquisition instructions, stop video acquisition work.
Vehicle location license module, is processed for the video image information to receiving, and using algorithm of locating license plate of vehicle, is gathered
The image of car plate, and export Character segmentation module and background color identification module.
Background color identification module, carries out colour recognition for the license plate image to receiving, and obtains the background color of car plate, and exports
To result output module.
Character segmentation module, is processed for the license plate image to receiving, using license plate character segmentation algorithm, by car
Trade mark code division is segmented into independent character picture, and exports character recognition module.
Character recognition module, is processed for the character picture to receiving, and is calculated using Tsing-Hua University ORC Recognition of License Plate Characters
Method, is identified to character picture, and is combined into number-plate number output to result output module.
As a result output module, using PC terminals or mobile phone terminal, the number-plate number and car plate color that real-time exhibition is received,
Simultaneously by the number-plate number and car plate color storage to data memory module.
Data memory module, for storing the number-plate number and car plate color of the output of result output module.
The present invention carries out license number, the pattern of licence plate color automatic identification using the dynamic video of vehicle, by figure
The collection and process of picture, completes license auto-recognition system function, can automatically extract license plate image, automatic segmented word from piece image
Symbol, and then character is identified, by using Tsing-Hua University's OCR technique, having merged License Plate, license plate character segmentation, car plate word
Symbol identification scheduling algorithm, makes system have the advantage such as fast recognition efficiency height, speed, strong adaptability, easy to use, during car plate typing not
It is only capable of reaching quick identification, the effect of Rapid input, and great convenience can be brought to the management of the company that parks.
For convenience of description, it is divided into various units, module with function when describing apparatus above to describe respectively.Certainly, exist
Implement the function of each unit, module can be realized in same or multiple softwares and/or hardware during the application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
By software plus required general hardware platform mode realizing.Based on such understanding, the technical scheme essence of the application
On part that in other words prior art is contributed can be embodied in the form of software product, the computer software product
Can be stored in storage medium, such as ROM/RAM, magnetic disc, CD etc., use so that a computer equipment including some instructions
(can be personal computer, server, or network equipment etc.) performs each embodiment of the application or embodiment
Method described in some parts.
Device embodiments described above are only schematic, the wherein described unit as separating component explanation
Can be or may not be physically separate, as the part that unit shows can be or may not be physics list
Unit, you can local to be located at one, or can also be distributed on multiple NEs.Which is selected according to the actual needs can
In some or all of module realizing the purpose of present embodiment scheme.Those of ordinary skill in the art are not paying creation
Property work in the case of, you can to understand and implement.
The application can be used in numerous general or special purpose computing system environment or configuration.For example：Personal computer, service
Device computer, handheld device or portable set, laptop device, multicomputer system, based on the system of microprocessor, top set
Box, programmable consumer-elcetronics devices, network PC, minicomputer, mainframe computer, including any of the above system or equipment
Distributed computing environment etc..
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes execution particular task or realizes the routine of particular abstract data type, program, object, group
Part, data structure etc..The application is put into practice in a distributed computing environment can also, in these distributed computing environment, by
The remote processing devices connected by communication network are performing task.In a distributed computing environment, program module can be with
In local and remote computer-readable storage medium including including storage device.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Specific features, structure, material or the feature described with reference to the embodiment or example is contained at least one enforcement of the present invention
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
And, the specific features of description, structure, material or feature can be in one or more any embodiments or example with conjunction
Suitable mode is combined.
Above content is only to present configuration example and explanation, affiliated those skilled in the art couple
Described specific embodiment is made various modifications or supplements or substituted using similar mode, without departing from invention
Structure surmounts scope defined in the claims, all should belong to protection scope of the present invention.
Claims (2)
1. the parking lot video Vehicle License Plate Recognition System based on ORC technologies, it is characterised in that：Including on the parking position of parking lot
Vehicle equipment and video capture device, described vehicle equipment and video capture device are all connected with video control mould
Block, described video capture device connection Vehicle location license module, described Vehicle location license module concatenation character segmentation module and bottom
Colour discrimination module, described Character segmentation module concatenation character identification module, described character recognition module and background color identification mould
Block is all connected with result output module, described result output module connection data memory module；
Described vehicle equipment, when vehicle is sailed into/rolled away from, change-detection the sailing to vehicle of surrounding magnetic field is felt in base area
Enter/roll away from, output vehicle sails/roll away from signal into video control module；
Described video control module, when receive vehicle equipment output vehicle sail into/roll signal away from when, export video
Acquisition instructions/stopping acquisition instructions are to video capture device；
Described video capture device, when the video acquisition for receiving video control module output is instructed, collection parking position is existing
The video image information of field, and export Vehicle location license module；When the stopping acquisition instructions for receiving video control module output
When, stop video acquisition work；
Described Vehicle location license module, is processed for the video image information to receiving, and using algorithm of locating license plate of vehicle, is adopted
The image of collection car plate, and export Character segmentation module and background color identification module；
Described background color identification module, carries out colour recognition for the license plate image to receiving, and obtains the background color of car plate, and defeated
Go out to result output module；
Described Character segmentation module, is processed for the license plate image to receiving, using license plate character segmentation algorithm, will
The number-plate number is divided into independent character picture, and exports character recognition module；
Described character recognition module, is processed for the character picture to receiving, using Tsing-Hua University's ORC Recognition of License Plate Characters
Algorithm, is identified to character picture, and is combined into number-plate number output to result output module；
Described result output module, using PC terminals or mobile phone terminal, the number-plate number and car plate face that real-time exhibition is received
Color, while by the number-plate number and car plate color storage to data memory module；
Described data memory module, for storing the number-plate number and car plate color of the output of result output module.
2. the parking lot video Vehicle License Plate Recognition System based on ORC technologies according to claim 1, it is characterised in that：Vehicle
Testing equipment adopts wireless geomagnetism vehicle detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983344.8A CN106530732A (en) | 2016-11-08 | 2016-11-08 | Parking lot video vehicle license plate recognition system based on ORC technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610983344.8A CN106530732A (en) | 2016-11-08 | 2016-11-08 | Parking lot video vehicle license plate recognition system based on ORC technology |
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| CN106530732A true CN106530732A (en) | 2017-03-22 |
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| CN201610983344.8A Pending CN106530732A (en) | 2016-11-08 | 2016-11-08 | Parking lot video vehicle license plate recognition system based on ORC technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107978175A (en) * | 2017-12-28 | 2018-05-01 | 广东傲智创新科技有限公司 | A kind of parking stall remote reserved Control management system, server and device |
| CN108255986A (en) * | 2017-12-28 | 2018-07-06 | 深圳开思时代科技有限公司 | Information identifying method, system and computer readable storage medium |
| CN109474834A (en) * | 2018-12-24 | 2019-03-15 | 福建威盾科技有限公司 | A kind of application system and method for video data non-damage drive |
| CN110197139A (en) * | 2019-05-16 | 2019-09-03 | 苏州思卡信息系统有限公司 | A kind of detection recognition method of vehicle license |
| CN113505782A (en) * | 2021-06-07 | 2021-10-15 | 上海图丽信息技术有限公司 | Recognition system combining wagon license plate and carriage handwritten license plate |
| CN113037931B (en) * | 2021-01-26 | 2024-01-12 | 视昀科技(深圳)有限公司 | Data reporting system and method for application environment monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107978175A (en) * | 2017-12-28 | 2018-05-01 | 广东傲智创新科技有限公司 | A kind of parking stall remote reserved Control management system, server and device |
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| CN109474834A (en) * | 2018-12-24 | 2019-03-15 | 福建威盾科技有限公司 | A kind of application system and method for video data non-damage drive |
| CN110197139A (en) * | 2019-05-16 | 2019-09-03 | 苏州思卡信息系统有限公司 | A kind of detection recognition method of vehicle license |
| CN113037931B (en) * | 2021-01-26 | 2024-01-12 | 视昀科技(深圳)有限公司 | Data reporting system and method for application environment monitoring |
| CN113505782A (en) * | 2021-06-07 | 2021-10-15 | 上海图丽信息技术有限公司 | Recognition system combining wagon license plate and carriage handwritten license plate |
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