CN209248762U - Multiple-camera charge station Vehicle License Plate Recognition System - Google Patents
Multiple-camera charge station Vehicle License Plate Recognition System Download PDFInfo
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- CN209248762U CN209248762U CN201822019983.XU CN201822019983U CN209248762U CN 209248762 U CN209248762 U CN 209248762U CN 201822019983 U CN201822019983 U CN 201822019983U CN 209248762 U CN209248762 U CN 209248762U
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- license plate
- charge station
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- camera
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Abstract
The utility model discloses a kind of multiple-camera charge station Vehicle License Plate Recognition System, its key is: being provided with the sensible machine of at least two boards, all sensible machines of board are set gradually along the direction to the car of toll collection lanes, it is additionally provided on toll collection lanes multiple for triggering the trigger device of the sensible machine of board, all trigger devices are set gradually along the direction to the car of toll collection lanes, and are corresponded with the sensible machine of board.The utility model has the advantages that using the multiple-camera charge station Vehicle License Plate Recognition System of the utility model, license plate image of the vehicle at toll collection lanes different location can be acquired, increase image information source, improve license plate confidence level, it does not need that any equipment is installed on vehicle, and it does not need to install in charge station yet and reads equipment, reduce installation cost and maintenance cost, system equipment is identical as equipment used in existing charge station, convenient for being transformed to existing ETC toll collection lanes and manual toll collection channel, and when the travel speed of automobile is higher, it is also able to maintain higher confidence level.
Description
Technical field
The utility model relates to the traffic control system fields of vehicle for identification, receive more particularly to a kind of multiple-camera
Take station Vehicle License Plate Recognition System.
Background technique
Generally all there are two types of toll collection lanes for existing freeway toll station, and one is ETC toll collection lanes, ETC charge is logical
Road is to read OBU label by RSU antenna, vehicle pass-through information and status information is obtained, to identify automobile.This vehicle is known
Other mode not only needs car owner to remove special maintenance point installation OBU labeling apparatus, and it also requires installing RSU days at charge station
Linear system system, installation cost are relatively high.And since OBU label is arranged on automobile, if accident occurs for automobile, it is easy damage
It is bad, so maintenance cost is also relatively high.
Another kind is manual toll collection channel, and manual toll collection channel is the license plate image that vehicle is acquired by video camera, is passed through
Recognition Algorithm of License Plate recognizes the license plate of automobile, to identify automobile.But existing charge station is typically all to use individually to take the photograph
Camera acquires license plate image, and Image Acquisition source is less, causes the confidence level of license plate in the range of 95%-98%.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of multiple-camera charge station Vehicle License Plate Recognition System, passes through
It is mounted on the sensible machine of board of different location, license plate is repeatedly identified under mutually indepedent environment, increases Image Acquisition source,
Improve the discrimination of license plate.
Technical solution is as follows:
A kind of multiple-camera charge station Vehicle License Plate Recognition System, key are: being provided at least two trigger devices, own
Trigger device is set gradually along the direction to the car of toll collection lanes, is additionally provided on toll collection lanes multiple for obtaining vehicle image
The sensible machine of board, all sensible machines of board and trigger device correspond.
When vehicle passes through the trigger device at toll collection lanes different location, the corresponding sensible machine acquisition vehicle of board can be triggered
License plate increases Image Acquisition source, improves the discrimination of license plate.
Further, the two sides or the same side of toll collection lanes are arranged in all sensible machines of the board, and all described
The sensible machine of board is set gradually along the direction to the car of toll collection lanes.
Further, the sensible machine of the board is provided with video camera and Car license recognition module, and the video camera is through integrated signal
Line connects Car license recognition module, and all Car license recognition modules are connect with the same information processing terminal signal, the information
Processing terminal is for generating the highest Car license recognition information of confidence level.
Further, all sensible machines of the board are arranged at the same position of toll collection lanes.
Further, the sensible machine of the board is provided with video camera, and all video cameras connect with same analysing terminal signal
It connects, the analysing terminal is for generating the highest Car license recognition information of confidence level.
Further, the video camera and analysing terminal are provided with USB data interface, and the video camera passes through USB
Data line is connect with analysing terminal.
Further, the video camera is high speed high-definition camera.
Further, the trigger device is ground induction coil, which is arranged on the road surface in lane.
The utility model has the advantages that can acquire vehicle using the multiple-camera charge station Vehicle License Plate Recognition System of the utility model and charge
License plate image at the different location of channel increases image information source, improves license plate confidence level, does not need to install on vehicle any
Equipment, and also do not need to install in charge station and read equipment, reduces installation cost and maintenance cost, system equipment with it is existing
Equipment used in charge station is identical, convenient for being transformed to existing ETC toll collection lanes and manual toll collection channel, and
When the travel speed of automobile is higher, it is also able to maintain higher confidence level.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model embodiment one；
Fig. 2 is the installation distribution map of the system in charge station of the utility model embodiment one；
Fig. 3 is the system structure diagram of the utility model embodiment two；
Fig. 4 is the system structure diagram of the sensible machine 1 of board of the utility model embodiment two.
Specific embodiment
Below with reference to embodiment and attached drawing, the utility model is described in further detail.
Embodiment one, a kind of as illustrated in fig. 1 and 2, multiple-camera charge station Vehicle License Plate Recognition System, it is logical in the charge of charge station
There are two the sensible machines 1 of board, the sensible machine 1 of two boards, and toll collection lanes are arranged in front of and after passing through bracket 3 for setting on the direction to the car in road
The same side.It is provided with ground induction coil on the toll collection lanes road surface in the front of the sensible machine 1 of the preceding board in position, passes through this in automobile
When ground induction coil, the sensible machine 1 of the preceding board in position is triggered, and acquires the license plate image of automobile.Between the sensible machine 1 of two boards
Ground induction coil is additionally provided on toll collection lanes, when automobile passes through this ground induction coil, the sensible machine 1 of the posterior board in position is touched
Hair, the same license plate image for acquiring automobile.
The sensible machine 1 of board is provided with the video camera and Car license recognition module of high speed high definition, detection trigger module and confession
Electric module.The detection trigger module is provided with signaling interface, which connects through signal transmssion line feels line correspondingly
Circle, when ground induction coil generates induction, detection trigger module triggers power supply module video camera and Car license recognition module for power supply.
The Car license recognition module is provided with DSP processing unit, memory, which connects through integrated signal line
Video camera is connect, the image of the video camera acquisition is transferred to DSP processing unit through integrated signal line, and DSP processing unit is using existing
Some candid photograph processing softwares and Recognition Algorithm of License Plate carry out image to capture processing and vehicle identification, obtain license board information.At DSP
Reason unit is connected with communication interface, and license board information is sent to the information processing terminal by communication interface by DSP processing unit.
In the present embodiment, the information processing terminal is computer, and computer is using existing analysis method to the sensible machine 1 of two boards
The license board information of transmission is analyzed, and the license board information of high confidence level is obtained.
Embodiment two, embodiment two are roughly the same with embodiment one, as shown in figure 3, its main distinction is: two boards are known
Camera 1 is arranged at the rear of the posterior ground induction coil 2 in position, and the same position of toll collection lanes is arranged in by bracket 3
Place, the camera lens of the sensible machine 1 of two boards are respectively facing the installation site of two ground induction coils 2.
As shown in figure 4, the sensible machine 1 of board is provided with the video camera of high speed high definition, the video camera of all sensible machines 1 of board,
The video camera setting has USB interface, and two video cameras are through USB data line linking parsing terminal, and the analysing terminal is also through signal wire
Connect ground induction coil.
In the present embodiment, which is computer, when computer receives the inductive signal of ground induction coil, computer control
Video camera processed shoots image, and video camera sends an image to computer by USB data line, and computer passes through existing image processing method
Method carries out candid photograph processing to image, and is analyzed with existing license plate analysis method the image after candid photograph, obtains two vehicles
Board information, computer finally analyze the two license board informations using existing analysis method, obtain the license plate of high confidence level
Information.
Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field
Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make
Multiple similar expressions, such transformation are each fallen within the protection scope of the utility model.
Claims (8)
1. a kind of multiple-camera charge station Vehicle License Plate Recognition System, it is characterised in that: be provided at least two trigger devices (2), institute
There is trigger device (2) to set gradually along the direction to the car of toll collection lanes, is additionally provided on toll collection lanes multiple for obtaining vehicle
The sensible machine of board (1) of image, all sensible machines of board (1) and trigger device (2) correspond.
2. multiple-camera charge station Vehicle License Plate Recognition System according to claim 1, it is characterised in that: all sensible machines of board
(1) two sides or the same side of toll collection lanes are set, and all sensible machines of the board (1) along toll collection lanes direction to the car according to
Secondary setting.
3. multiple-camera charge station Vehicle License Plate Recognition System according to claim 2, it is characterised in that: the sensible machine of board (1)
It is provided with video camera and Car license recognition module, which connects Car license recognition module, all license plates through integrated signal line
Identification module is connect with the same information processing terminal signal, and the information processing terminal is for generating the highest license plate of confidence level
Identification information.
4. multiple-camera charge station Vehicle License Plate Recognition System according to claim 1, it is characterised in that: all sensible machines of board
(1) it is arranged at the same position of toll collection lanes.
5. multiple-camera charge station Vehicle License Plate Recognition System according to claim 4, it is characterised in that: the sensible machine of board (1)
It is provided with video camera, all video cameras are connect with same analysing terminal signal, and the analysing terminal is for generating confidence level highest
Car license recognition information.
6. multiple-camera charge station Vehicle License Plate Recognition System according to claim 5, it is characterised in that: the video camera and analysis
Terminal is provided with USB data interface, and the video camera is connect by USB data line with video capture module.
7. according to the multiple-camera charge station Vehicle License Plate Recognition System of claim 3 or 5, it is characterised in that: the video camera is
High speed high-definition camera.
8. multiple-camera charge station Vehicle License Plate Recognition System according to claim 1, it is characterised in that: the trigger device (2)
For ground induction coil, which is arranged on the road surface in lane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019983.XU CN209248762U (en) | 2018-12-03 | 2018-12-03 | Multiple-camera charge station Vehicle License Plate Recognition System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019983.XU CN209248762U (en) | 2018-12-03 | 2018-12-03 | Multiple-camera charge station Vehicle License Plate Recognition System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209248762U true CN209248762U (en) | 2019-08-13 |
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ID=67531269
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822019983.XU Expired - Fee Related CN209248762U (en) | 2018-12-03 | 2018-12-03 | Multiple-camera charge station Vehicle License Plate Recognition System |
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| Country | Link |
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| CN (1) | CN209248762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110910649A (en) * | 2019-12-23 | 2020-03-24 | 浙江大华技术股份有限公司 | Multi-camera cooperative traffic control method, device and system and storage device |
| CN112581749A (en) * | 2019-09-12 | 2021-03-30 | 阿里巴巴集团控股有限公司 | Method, system and device for obtaining vehicle resource occupation information and electronic equipment |
-
2018
- 2018-12-03 CN CN201822019983.XU patent/CN209248762U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581749A (en) * | 2019-09-12 | 2021-03-30 | 阿里巴巴集团控股有限公司 | Method, system and device for obtaining vehicle resource occupation information and electronic equipment |
| CN110910649A (en) * | 2019-12-23 | 2020-03-24 | 浙江大华技术股份有限公司 | Multi-camera cooperative traffic control method, device and system and storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20201203 |