CN101593378A - The video camera of built-in license plate identification function - Google Patents
The video camera of built-in license plate identification function Download PDFInfo
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- CN101593378A CN101593378A CNA2008101093135A CN200810109313A CN101593378A CN 101593378 A CN101593378 A CN 101593378A CN A2008101093135 A CNA2008101093135 A CN A2008101093135A CN 200810109313 A CN200810109313 A CN 200810109313A CN 101593378 A CN101593378 A CN 101593378A
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- 238000000605 extraction Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 13
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- 230000000295 complement effect Effects 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 5
- 239000000284 extract Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 238000013528 artificial neural network Methods 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The present invention discloses the video camera that a kind of built-in license plate identification function is provided, and is made of license board information storehouse, general input, image extraction module, license plate image processor, communication module, audio extraction module and processor.When the video camera of built-in license plate identification function judges that through image extraction module vehicle control of access place has vehicle to come in and go out, extract its license plate image, after doing the cutting identification by the known image processing techniques of license plate image processor adopting, compare to do the vehicle control of access as lattice door or sensor and warning horn by general input control with the license board information storehouse.And but external unit installs Remote software, and connects communication module through the wire/wireless mode and carry out remote monitor.As utilizing image extraction module, audio extraction module and processor phase interworking to obtain audiovisual/visual information, external unit is given in passback.The present invention can carry out vehicle pass-through control automatically.Can extract audiovisual/visual information and On/Off lattice door etc., tool convenience and fiduciary level.
Description
Technical field
The present invention relates to a kind of video camera of built-in license plate identification function, particularly a kind of application vehicle control of access place is to pass in and out the video camera of the built-in license plate identification function of control as vehicle.
Background technology
The electronic type image camera is the important monitor record equipment of facilities such as road, bridge or parking lot, and it is the number plate recognition technology in the application image identification all, with metered as vehicle control of access, traffic monitoring, stolen vehicle search or parking lot.
Along with the continuous progress of number plate recognition technology now, and associated picture is handled and the continuous research and development of comparison technology progress greatly, and makes that its accuracy of finding license plate image device for identifying all can reach more than ninety percent on the market.The existing automatic identification vehicular control of image-type car plate mechanism, as shown in Figure 1, all be that video camera 1 operates with watch-dog 2 composition modes, i.e. video camera 1 uninterrupted capture by being arranged at the control scene, after being back to the identification of analysing and comparing in the watch-dog 2 via wired or wireless network transmission technology then, carry out relevant actions such as follow-up monitoring or control peripheral device again.Yet, adopt the automatic identification vehicular control of above-mentioned image-type car plate mechanism not only to need to expend a large amount of funds and be to make up, and also must expend quite a lot of time and install by the professional person as on video camera 1 and watch-dog 2 relevant devices.On the other hand, video camera 1 is obtained and also must be sent back remote monitoring equipment 2 analysis that compares behind the control image scene, can't meet in the modern life monitoring demand in real time.
Summary of the invention
In view of this, the problem that institute of the present invention desire solves is to propose a kind of video camera that is arranged at the built-in license plate identification function in control of access place, garage, in order to automatic detection vehicle and extract its license plate image and carry out number plate recognition, as vehicle pass-through control.
For addressing the above problem, solution proposed by the invention is, a kind of video camera of built-in license plate identification function is provided, include license board information storehouse, general input (General PurposeInput/Output Port, GPIO), image extraction module, license plate image processor, communication module, audio extraction module and processor, it is provided with vehicle turnover control occasion and does vehicle pass-through control.The video camera of built-in license plate identification function of the present invention adopts image extraction module to obtain control occasion consecutive image picture earlier, and uses the image-type of depositing in it and move and detect software the consecutive image picture is carried out computing to have judged whether that vehicle is near the control occasion.When judging vehicle, use a decision-making mechanism from many continuous pictures, to select the suitable vehicles image near the control occasion.Then, obtain license plate image by the license plate image processor from vehicle image, and after utilizing known image processing techniques cutting license plate image English alphabet image and digital picture and carrying out identification, by the computing of comparing of artificial intelligence technology and license board information storehouse, judge whether this number-plate number conforms to at least one reference number that prestores in license board information storehouse, to do the vehicle control of access as lattice door or sensor and warning horn by general input control.
In addition, the present invention is computing machine, mobile communications device or personal digital assistant (the Personal Digital Assistant by Remote software is installed also, external unit such as PDA), adopt wire transmission control protocol/Internet protocol (Transmission Control Protocol/Internet Protocol, TCP/IP) or radio area network (Wireless Local Area Network, WLAN) mode communicates with module and interconnects and carry out remote monitoring.Assign monitor message as video camera, obtaining the audiovisual/visual information in vehicle control of access place, and carry out encoding and decoding and handle the back passback and give external unit by image extraction module, audio extraction module and processor to built-in license plate identification function.
The video camera of built-in license plate identification function of the present invention, automatically after senses vehicle is sailed vehicle control of access place into earlier, the capture vehicle image is also located car plate and the identification number-plate number, and with the license board information storehouse in the reference number that prestores compare, with the control vehicle pass-through.And can issue an order to the video camera of built-in license plate identification function by Remote software and carry out the remote monitoring function, make the turnover of control vehicle have practicality more and alleviate managerial personnel's burden.
Description of drawings
Fig. 1 is the built-in license plate identification function prior art;
Fig. 2 is the synoptic diagram of the video camera embodiment of built-in license plate identification function of the present invention;
Fig. 3 is the module calcspar of the video camera embodiment of built-in license plate identification function of the present invention;
Fig. 4 is the Remote synoptic diagram of the video camera embodiment of built-in license plate identification function of the present invention; And
Fig. 5 is the Remote software operation synoptic diagram of the video camera embodiment of built-in license plate identification function of the present invention.
Wherein, description of reference numerals is as follows:
1 video camera
2 watch-dogs
The video camera of 10 built-in license plate identification functions
100 license board information storehouses
101 general input
102 image extraction modules
103 license plate image processors
104 communication modules
105 audio extraction modules
106 processors
11 vehicles
12 lattice doors
13 sensors
14 warning horns
15 external units
Embodiment
For making, hereinafter now cooperate related embodiment and accompanying drawing to elaborate to having further understanding in the present invention:
Please refer to Fig. 2 and Fig. 3, Fig. 2 illustrates the synoptic diagram of the video camera embodiment of built-in license plate identification function of the present invention, and Fig. 3 illustrates the module calcspar of the video camera embodiment of built-in license plate identification function of the present invention.As shown in Figures 2 and 3, the video camera 10 of this built-in license plate identification function is mainly by license board information storehouse 100, general input 101 (General Purpose Input/Output Port, GPIO), image extraction module 102, license plate image processor 103, communication module 104, audio extraction module 105 and processor 106 constitute, and for being arranged at garage control of access occasion, with the vehicle 11 through this control place is passed through control and other suitable application.
The video camera 10 that the video camera 10 of this built-in license plate identification function uses image extraction module 102 uninterruptedly to obtain built-in license plate identification function earlier is provided with many continuous pictures in location, move detection software by the image-type of depositing in the image extraction module 102 again and transfer every picture to GTG, and the each point pixel matter with coordinate between picture and picture done additive operation, obtain a residual quantity information, then represent and currently have vehicle to sail into if this residual quantity information surpasses preset critical.At this moment, will use majority voting ballot (Majority Voting), neural network (Neural Networks) or Bei Shi decision-making decision-making mechanisms such as (Bayesian Decision) from many continuous pictures, pick out optimal vehicle image.Then, 103 pairs of vehicle images of picking out of license plate image processor are got the zone of a car plate size as license plate image, and by noises such as known image processing techniques elder generation's removal background image or screw hole images, then license plate image is carried out English character image and the cutting of digital character image and forms the number-plate number after the identification one by one, and, judge whether this number-plate number conforms to license board information storehouse 100 at least one reference numbers that prestore by the computing of comparing of artificial intelligence technologys such as neural network and license board information storehouse 100.When this number-plate number conformed to at least one reference number result that prestores, it is 11 current that the lattice door 12 that utilization input/output end port 101 output enable signals are opened garage control of access place is bought car in installments; But when this number-plate number does not conform to at least one reference number result that prestores, then input/output end port 101 starts output enable signal security personnel's protective devices such as sensor 13 and warning horn 14 and carries out Security alert, will touch sensor 13 and warning horn 14 operation warnings if vehicle 11 thrusts oneself in, and send the disposal that the information announcement related personnel carries out necessity through communication module 104.
Please refer to Fig. 4 and Fig. 5, Fig. 4 illustrates the Remote synoptic diagram of the video camera embodiment of built-in license plate identification function of the present invention, and Fig. 5 illustrates the Remote software operation synoptic diagram of the video camera embodiment of built-in license plate identification function of the present invention.The video camera 10 of this built-in license plate identification function also can be installed on as computing machine by Remote software, mobile communications device or personal digital assistant (Personal DigitalAssistant, external unit 15 such as PDA), by operating Remote software through wire transmission control protocol/Internet protocol (Transmission Control Protocol/Internet Protocol, TCP/IP) or radio area network (Wireless Local Area Network, WLAN) be connected to communication module 104, transmission is assigned the video camera 10 that monitor message extracts built-in license plate identification functions to image extraction module 102 and audio extraction module 105 on-the-spot audiovisual/visual information in real time is set, and after doing the encoding and decoding computing via processor 106, be back to external unit 15 by communication module 106 and carry out remote monitoring.Or operate Remote software and assign monitor message control general input 101 On/Off lattice doors 12, or the license plate image of snapshot vehicle 11.
Wherein, (Charge-Coupled Device, CCD) (Complementary Metal-OxideSemiconductor, CMOS) sensing element constitutes above-mentioned image extraction module 102 for sensing element or complementary matal-oxide semiconductor by charge-coupled device (CCD).
In sum, whether the video camera 10 of built-in license plate identification function of the present invention senses vehicle control of access place automatically has vehicle 11 to sail into, and after obtaining vehicle image and carrying out the car plate location and the identification number-plate number, whether retrieval car plate information bank 100 has the reference number that is consistent with it, carries out vehicle 11 current control.And the on-the-spot function of audiovisual/visual information and On/Off lattice door 12 etc. in real time can be set by the video camera 10 of Remote software extraction built-in license plate identification function, take into account vehicle control of access convenience and fiduciary level.
Though the present invention discloses as above with described preferred embodiment; yet it is not in order to qualification the present invention, any those of ordinary skill of being familiar with this technical field, without departing from the spirit and scope of the present invention; do change and replace with the equivalence of retouching, still be in the scope of patent protection of the present invention.
Claims (14)
1. the video camera of a built-in license plate identification function is applied to the garage control of access, and this video camera includes:
One license board information storehouse;
One general input;
One image extraction module uses an image-type to move detection software and detects vehicle automatically, and obtains a car plate
Image; And
One license plate image processor is located this license plate image and is picked out a number-plate number, and judges when this number-plate number conforms to at least one reference number that prestores in this license board information storehouse, opens a lattice door by this general input.
2. the video camera of built-in license plate identification function as claimed in claim 1 wherein also comprises this license plate image processor and judges when this number-plate number conforms to this reference number that prestores in this license board information storehouse, by this this license plate image of image extraction module snapshot.
3. the video camera of built-in license plate identification function as claimed in claim 1, wherein also comprise this license plate image processor and judge when this number-plate number does not conform to this reference number that prestores in this license board information storehouse, start security personnel's protective device by this general input.
4. the video camera of built-in license plate identification function as claimed in claim 1 wherein also comprises:
One communication module, wire/wireless connect an external unit;
One audio extraction module; And
One processor, resolve this communication module and receive the monitor message that external unit is assigned, control this image extraction module and video camera that this audio extraction module obtains this built-in license plate identification function is provided with the image in place and sound and after encoding and decoding, is back to this external unit by this communication module.
5. the video camera of built-in license plate identification function as claimed in claim 4, wherein this external unit of this communicator wired connection adopts transmission control protocol/Internet protocol.
6. the video camera of built-in license plate identification function as claimed in claim 4, wherein this external unit of these communicator wireless connections adopts radio area network.
7. the video camera of built-in license plate identification function as claimed in claim 4, wherein this external unit is a computing machine.
8. the video camera of built-in license plate identification function as claimed in claim 4, wherein this external unit is a mobile communications device.
9. the video camera of built-in license plate identification function as claimed in claim 4, wherein this external unit is a personal digital assistant.
10. the video camera of built-in license plate identification function as claimed in claim 1 wherein also comprises this image extraction module when this communication module receives this monitor message that external unit assigns, this license plate image of snapshot.
11. the video camera of built-in license plate identification function as claimed in claim 1 wherein also comprises this external unit wire/wireless and connects this communication module, transmits this monitor message to this this lattice door of general input On/Off.
12. the video camera of built-in license plate identification function as claimed in claim 1, wherein this image extraction module is made of the charge-coupled device (CCD) sensing element.
13. the video camera of built-in license plate identification function as claimed in claim 1, wherein this image extraction module is made of complementary matal-oxide semiconductor sensing element.
14. the video camera of built-in license plate identification function as claimed in claim 1, wherein this license plate image comprises at least one English alphabet and a plurality of numerals in 0 to 9 scope among the A to Z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101093135A CN101593378A (en) | 2008-05-28 | 2008-05-28 | The video camera of built-in license plate identification function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101093135A CN101593378A (en) | 2008-05-28 | 2008-05-28 | The video camera of built-in license plate identification function |
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| CN101593378A true CN101593378A (en) | 2009-12-02 |
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| CNA2008101093135A Pending CN101593378A (en) | 2008-05-28 | 2008-05-28 | The video camera of built-in license plate identification function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243774A (en) * | 2010-05-12 | 2011-11-16 | 上海宝康电子控制工程有限公司 | Automatic banister control system and method based on license plate information identification and authority management |
| CN102955929A (en) * | 2011-08-18 | 2013-03-06 | 新谊整合科技股份有限公司 | Ultra-wide-field image processing method and ultra-wide-field image processing system |
| CN103914898A (en) * | 2013-01-08 | 2014-07-09 | 新谊整合科技股份有限公司 | Vehicle exit and entry control system and control method |
| CN103914896A (en) * | 2013-01-08 | 2014-07-09 | 新谊整合科技股份有限公司 | Fault tolerance system for vehicle access and exit control, and control method adopting fault tolerance system |
-
2008
- 2008-05-28 CN CNA2008101093135A patent/CN101593378A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243774A (en) * | 2010-05-12 | 2011-11-16 | 上海宝康电子控制工程有限公司 | Automatic banister control system and method based on license plate information identification and authority management |
| CN102243774B (en) * | 2010-05-12 | 2015-08-12 | 上海宝康电子控制工程有限公司 | A kind of method that the automatic banister control system based on license board information identification and rights management is controlled |
| CN102955929A (en) * | 2011-08-18 | 2013-03-06 | 新谊整合科技股份有限公司 | Ultra-wide-field image processing method and ultra-wide-field image processing system |
| CN102955929B (en) * | 2011-08-18 | 2016-02-03 | 新谊整合科技股份有限公司 | Ultra-wide angle image processing method and its system |
| CN103914898A (en) * | 2013-01-08 | 2014-07-09 | 新谊整合科技股份有限公司 | Vehicle exit and entry control system and control method |
| CN103914896A (en) * | 2013-01-08 | 2014-07-09 | 新谊整合科技股份有限公司 | Fault tolerance system for vehicle access and exit control, and control method adopting fault tolerance system |
| CN103914896B (en) * | 2013-01-08 | 2016-08-31 | 新谊整合科技股份有限公司 | Vehicles while passing enters the tolerant system of control and the method for control using this tolerant system |
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Open date: 20091202 |