CN105070066A - Radio frequency technology-based laser holographic license plate recognition system - Google Patents
Radio frequency technology-based laser holographic license plate recognition system Download PDFInfo
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- CN105070066A CN105070066A CN201510570470.6A CN201510570470A CN105070066A CN 105070066 A CN105070066 A CN 105070066A CN 201510570470 A CN201510570470 A CN 201510570470A CN 105070066 A CN105070066 A CN 105070066A
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Abstract
The invention discloses a radio frequency technology-based laser holographic license plate recognition system. The recognition system includes an electromagnetic transponder, a laser holographic license plate, a laser camera, a vehicle information control center and a radio frequency reader; the laser camera and the radio frequency reader are installed in a certain monitoring area; the laser camera and the radio frequency reader are connected with the vehicle information control center; the electromagnetic transponder is implanted into the laser holographic license plate; and the laser camera and the radio frequency reader are connected with the laser holographic license plate through signals. According to the radio frequency technology-based laser holographic license plate recognition system of the invention, laser photographing is performed on the electromagnetic laser holographic license plate through the laser camera; the information of the electromagnetic laser holographic license plate and the information of an electromagnetic chip are simultaneously transmitted to an information center so as to be verified, and vehicles can be monitored and positioned in real time.
Description
Technical field
The present invention relates to a kind of recognition system, be specially a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique.
Background technology
The present invention is as a kind of system, and it is mainly through the car plate of REID and reflects laser hologram image fabrication techniques, through the information acquisition of plug-in reader and camera and shooting by the control system for identifying at real-time for information afferent message center.The invention thought of system, can as to the same control of information of vehicles and the real-time monitoring in traffic safety and traffic control by this system mainly through rfid system; Solve the violation of law that vehicle uses fake license and applies mechanically car plate targetedly simultaneously.The single unpaired message of what electromagnetic chip first in car plate stored is vehicle and car owner, radio frequency plug-in reader can absorb the electromagnetic transponder information of all vehicles in range of control by emitting electromagnetic wave; What car plate adopted is reflects laser hologram image technology, can be taken the real information of the anti-fake holographical picture determination car plate of car plate by Laser video camera head.Again check and correction is examined at real-time for information afferent message center, vehicle is carried out to the real-time confirmation of monitoring in real time and real-time location and testing vehicle register.
Summary of the invention
The technical solution used in the present invention is as follows: a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique, comprises electromagnetic transponder, laser hologram car plate, Laser video camera head, information of vehicles control center and radio frequency plug-in reader; It is characterized in that: at certain guarded region built with Laser video camera head and radio frequency plug-in reader, Laser video camera head and radio frequency plug-in reader directly access information of vehicles control center, laser hologram car plate is implanted into electromagnetic transponder, and Laser video camera head is connected with laser hologram car plate by signal with radio frequency plug-in reader; The car plate electronic information of described Laser video camera head and the picked-up of radio frequency plug-in reader imports information of vehicles control center in real time into.
Further, described electromagnetic transponder is built-in is equipped with antenna, coupling element and microchip unit; Its microchip unit carries the electronic code of information of vehicles.
Further, described laser hologram car plate adopts reflects laser hologram image fabrication techniques; It irradiates hologram by laser, and light reflects by the multilayer semitransparent reflecting surface that media interior generates, shooting car plate laser hologram picked-up information.
Further, described camera uses low frequency lasers camera, employing be the laser hologram camera of 80-200 rice laser acquisition range, Laser video camera head mixes laser lamp source on simulation camera, and laser lamp adopts the even reinforcement technique of hot spot; Hot spot Techniques of Automatic Focusing.
Further, described Laser video camera head and radio frequency plug-in reader link information center, its connected mode adopts limited connection, and the rate of information throughput is fast, and accuracy rate is high, is not easily disturbed.Radio frequency plug-in reader is connected vehicle control information center with Laser video camera head by wire cable.
Further, described radio frequency plug-in reader uses low frequency to be 134.2KHz, and band wavelength is approximately the low frequency radio frequency plug-in reader of 2500m; Built-in antenna, electromagnetic launcher, coupling element and electromagnetism microchip unit are housed, it is coupling module, transceiver module, control module and interface unit composition mainly.
A kind of method used based on the laser hologram Vehicle License Plate Recognition System of radio-frequency technique of the present invention, it is characterized in that step is: radio frequency plug-in reader emitting radio frequency signal, the electromagnetic chip received RF signal of electromagnetic transponder, the microchip unit of electromagnetic chip sends the frequency signal with electronic code; Laser video camera head opens Laser emission, laser is beaten on laser hologram car plate, shooting Emission Lasers hologram image, picked-up holographic false proof license board information, radio frequency plug-in reader and Laser video camera head transmit signals to information of vehicles control center, and whether information center examines check and correction license board information consistent with electromagnetic information.Information of vehicles examines correct rear recorded information; Information of vehicles examines mistake, and information center sends alarm signal to command centre of information of vehicles control center.
Principle of work of the present invention is: the radio frequency plug-in reader in vehicle information center open system and Laser video camera head normally work in its control area; Radio frequency plug-in reader is continual emitting electromagnetic wave within the scope of control area, the vehicle carrying electromagnetism laser hologram car plate enters in guarded region, the electromagnetic transponder of car plate receives the electromagnetic signal of plug-in reader, and the energy obtained by means of induction current sends out storage electronic code in the chips; Radio frequency plug-in reader picked-up electronic code; Adopt half-duplex operation mode to carry out message exchange, radio frequency plug-in reader provides energy and sequential to passive electromagnetic transponder, light video camera head Emission Lasers by coupling simultaneously, shooting laser hologram car plate, the laser hologram image on picked-up car plate; Laser video camera head and radio frequency plug-in reader by the information transmission of picked-up to information of vehicles control center; Information of vehicles is delivered to information center examine check and correction and monitor in real time and real-time location.
Technique effect of the present invention is: as to the same control of information of vehicles and the real-time monitoring in traffic safety and traffic control, can solve the violation of law that vehicle uses fake license and applies mechanically car plate targetedly by this system simultaneously.
Accompanying drawing explanation
Fig. 1 is the block scheme that embodiments of the invention use radio-frequency technique and laser hologram image technology Vehicle License Plate Recognition System facility.
Fig. 2 is the process flow diagram that embodiments of the invention use radio-frequency technique and laser hologram image technology Vehicle License Plate Recognition System method.
Shown in Fig. 1, this invention facility system comprises: 1, electromagnetic transponder 2, laser hologram car plate 3, Laser video camera head 4, information of vehicles control center 5, radio frequency plug-in reader;
Shown in Fig. 2, this inventive method system comprises: 6, radio frequency plug-in reader emitting radio frequency signal, and 7, electromagnetic transponder received RF signal, 8, electromagnetic transponder emitting radio frequency signal, 9, Laser video camera head opens Laser emission, and 10, picked-up laser hologram license board information.
Embodiment
To be described in detail to the present embodiment below, its example illustrates in the accompanying drawings, and wherein some composition original paper has multiple different label, by reference to accompanying drawing, is described to explain the present invention hereinafter to embodiment.
First with reference to figure 1, be described the facility system of the present embodiment, a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique, the radio frequency plug-in reader 5 in vehicle information center 4 open system and Laser video camera head 3 normally work in its control area; Radio frequency plug-in reader 5 is continual emitting electromagnetic wave within the scope of control area, and vehicle enters radio frequency plug-in reader 5 control area, and electromagnetic transponder 1 accepts electromagnetic wave signal, and the energy obtained by means of induction current sends out storage electronic code in the chips; Radio frequency plug-in reader 5 absorbs electronic code; Laser video camera head 3 Emission Lasers, shooting laser hologram car plate 2, the laser hologram image on picked-up car plate; Laser video camera head 3 and radio frequency plug-in reader 5 by the information transmission of picked-up to information of vehicles control center 4.
The second, with reference to Fig. 2, the method for the present embodiment is described.Radio frequency plug-in reader 6 emitting radio frequency signal, the electromagnetic chip received RF signal of electromagnetic transponder 7, the microchip unit of electromagnetic chip sends the frequency signal with electronic code; Laser video camera head 9 opens Laser emission, laser is beaten on laser hologram car plate 10, shooting Emission Lasers hologram image, picked-up holographic false proof license board information, radio frequency plug-in reader 6 and Laser video camera head 9 transmit signals to information of vehicles control center, and whether information center examines check and correction license board information consistent with electromagnetic information.Information of vehicles examines correct rear recorded information; Information of vehicles examines mistake, and information center sends alarm signal to command centre of information of vehicles control center.
Course of action of the present invention and operation steps; RF electromagnetic signal launched by radio frequency plug-in reader 5, and car plate electromagnetic transponder 1 responds to RF electromagnetic signal, sends the electromagnetic signal with information of vehicles electronic code, radio frequency plug-in reader 5 Received signal strength; Laser video camera head 3 opens laser shooting, the reflects laser hologram image signal of picked-up laser hologram car plate 2; Radio frequency plug-in reader 5 and Laser video camera head 3 transmit signals to information of vehicles control center 4, examine correction process information of vehicles, real-time monitoring vehicle and real-time positioned vehicle.
Claims (7)
1., based on a laser hologram Vehicle License Plate Recognition System for radio-frequency technique, comprise electromagnetic transponder, laser hologram car plate, Laser video camera head, information of vehicles control center and radio frequency plug-in reader; It is characterized in that: at certain guarded region built with Laser video camera head and radio frequency plug-in reader, Laser video camera head and radio frequency plug-in reader directly access information of vehicles control center, laser hologram car plate is implanted into electromagnetic transponder, and Laser video camera head is connected with laser hologram car plate by signal with radio frequency plug-in reader; The car plate electronic information of described Laser video camera head and the picked-up of radio frequency plug-in reader imports information of vehicles control center in real time into.
2. a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique according to claim 1, is characterized in that: described electromagnetic transponder is built-in is equipped with antenna, coupling element and microchip unit; Its microchip unit carries the electronic code of information of vehicles.
3. a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique according to claim 1, is characterized in that: described laser hologram car plate adopts reflects laser hologram image fabrication techniques; It irradiates hologram by laser, and light reflects by the multilayer semitransparent reflecting surface that media interior generates, shooting car plate laser hologram picked-up information.
4. a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique according to claim 1, it is characterized in that: described camera uses low frequency lasers camera, what adopt is the laser hologram camera of 80-200 rice laser acquisition range, and Laser video camera head mixes laser lamp source on simulation camera.
5. a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique according to claim 1, it is characterized in that: described Laser video camera head and radio frequency plug-in reader link information center, its connected mode adopts limited connection, and radio frequency plug-in reader is connected vehicle control information center with Laser video camera head by wire cable.
6. a kind of laser hologram Vehicle License Plate Recognition System based on radio-frequency technique according to claim 1, it is characterized in that: described radio frequency plug-in reader is built-in is equipped with antenna, electromagnetic launcher, coupling element and electromagnetism microchip unit, it is coupling module, transceiver module, control module and interface unit composition mainly.
7. one kind according to claim 1-6 based on the method for the laser hologram Vehicle License Plate Recognition System of radio-frequency technique, it is characterized in that step is: radio frequency plug-in reader emitting radio frequency signal, the electromagnetic chip received RF signal of electromagnetic transponder, the microchip unit of electromagnetic chip sends the frequency signal with electronic code; Laser video camera head opens Laser emission, laser is beaten on laser hologram car plate, shooting Emission Lasers hologram image, picked-up holographic false proof license board information, radio frequency plug-in reader and Laser video camera head transmit signals to information of vehicles control center, and whether information center examines check and correction license board information consistent with electromagnetic information;
Information of vehicles examines correct rear recorded information; Information of vehicles examines mistake, and information center sends alarm signal to command centre of information of vehicles control center.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510570470.6A CN105070066A (en) | 2015-09-10 | 2015-09-10 | Radio frequency technology-based laser holographic license plate recognition system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510570470.6A CN105070066A (en) | 2015-09-10 | 2015-09-10 | Radio frequency technology-based laser holographic license plate recognition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106951805A (en) * | 2017-03-09 | 2017-07-14 | 邹霞 | A kind of public bicycles information management marks car plate |
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| CN101110160A (en) * | 2007-08-31 | 2008-01-23 | 天津大学 | Vehicle traffic information monitoring method and system combining RFID and machine vision |
| CN102044154A (en) * | 2009-10-19 | 2011-05-04 | 黄光佗 | Invisible mark and identification system for license plate number of automobile |
| CN102339531A (en) * | 2010-07-14 | 2012-02-01 | 数伦计算机技术（上海）有限公司 | Road traffic detection system |
| CN203134119U (en) * | 2013-01-25 | 2013-08-14 | 陕西国际商贸学院 | A fake-licensed vehicle automatic identifying device based on RFID |
| US20150163390A1 (en) * | 2013-12-10 | 2015-06-11 | Samsung Techwin Co., Ltd. | Method and apparatus for recognizing information in an image |
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2015
- 2015-09-10 CN CN201510570470.6A patent/CN105070066A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110160A (en) * | 2007-08-31 | 2008-01-23 | 天津大学 | Vehicle traffic information monitoring method and system combining RFID and machine vision |
| CN102044154A (en) * | 2009-10-19 | 2011-05-04 | 黄光佗 | Invisible mark and identification system for license plate number of automobile |
| CN102339531A (en) * | 2010-07-14 | 2012-02-01 | 数伦计算机技术（上海）有限公司 | Road traffic detection system |
| CN203134119U (en) * | 2013-01-25 | 2013-08-14 | 陕西国际商贸学院 | A fake-licensed vehicle automatic identifying device based on RFID |
| US20150163390A1 (en) * | 2013-12-10 | 2015-06-11 | Samsung Techwin Co., Ltd. | Method and apparatus for recognizing information in an image |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106951805A (en) * | 2017-03-09 | 2017-07-14 | 邹霞 | A kind of public bicycles information management marks car plate |
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Application publication date: 20151118 |