CN209182842U - A kind of car license recognition equipment based on raspberry pie - Google Patents
A kind of car license recognition equipment based on raspberry pie Download PDFInfo
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- CN209182842U CN209182842U CN201822154486.0U CN201822154486U CN209182842U CN 209182842 U CN209182842 U CN 209182842U CN 201822154486 U CN201822154486 U CN 201822154486U CN 209182842 U CN209182842 U CN 209182842U
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- raspberry pie
- recognition equipment
- information
- collecting device
- car license
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Abstract
A kind of car license recognition equipment based on raspberry pie, including image collecting device 1, communication device 2, information collecting device 3, processing unit 4, described image acquisition device 1 is connect with the information collecting device 3 by communication device 2, the information collecting device 3 obtains the collected license board information of described image acquisition device 1, and is sent to the processing unit 4 by communication device 2；It is characterized in that, described image acquisition device 1 includes raspberry pie controller 11, camera 12, LED light 13, alarm unit 14, display screen 15, memory 16, the raspberry pie controller 11 is stored in the memory 16 by the transmission license board information of communication device 2 to information collecting device 3 and by license board information, and the camera 12, LED light 13, alarm unit 14 and display screen 15 are controlled by the raspberry pie controller 11；The utility model has the beneficial effects that having the characteristics that abnormal object identification arbitration functions and at low cost.
Description
Technical field
The utility model relates to field of license plate recognition, concretely relate to a kind of Car license recognition based on raspberry pie
Equipment.
Background technique
At present there are mainly two types of the parking stalls in parking lot, general park position and stereo garage.In the crowded city in space
Heart stereo garage is using more and more, in the application aspect of modern intelligent parking lot, there are mainly two types of, one is develop one kind
The monitoring system of parking systems based on PLC checks the garage status informations such as in place using optoelectronic switch, and picture control obtains
Information of vehicles；Another kind is that the intelligent parking management system based on machine vision technique of exploitation is a kind of management based on PC machine
System, machine vision mainly do parking stall measure in Car license recognition and parking area, and this method can be used for stopping for non-cubic garage
Parking lot.
From the point of view of domestic many applications, in intelligent parking management, the side such as vehicle management and Car license recognition is rested on mostly
Whether face also all identified in a manner of optoelectronic switch etc. for the Intellisense of stereo garage, can only be to having vehicle to examine
It surveys, general park field parking stall measure is also to be captured using a wide range of, and using the system that PC machine and industrial lens form, cost is opposite
Valuableness, being applied to stereo garage can not also capture on a large scale, increase a candid photograph processing system for each parking stall and greatly increase into
This, and to lay data cable and involve bigger engineered, and application embedded vision platform can substantially reduce cost,
The communication of use can save the laying of data cable, reduce the complexity of electric wiring.
Compared with physical detection, the utility model patent uses a kind of vehicle identification equipment based on raspberry pie.
Utility model content
The utility model take pictures identifying control in view of the above-mentioned problems, providing one kind without ground induction coil, passes through reality
When image recognition judge whether there is the entrance of license plate target, and identified automatically, and increase anomalous identification judgement
Function, the cheap vehicle identification equipment based on raspberry pie of cost.
The utility model is achieved through the following technical solutions:
A kind of car license recognition equipment based on raspberry pie, including image collecting device, communication device, information collecting device,
Processing unit, described image acquisition device are connect with the information collecting device by communication device, the information collecting device
The license board information got from described image acquisition device is connect by communication device with the processing unit；It is characterized in that,
Described image acquisition device includes raspberry pie controller, camera, LED light, alarm unit, display screen, memory, the raspberry
Controller is sent to store in the memory by communication device transmission license board information to information collecting device and by license board information,
The camera, LED light, alarm unit and display screen are controlled by the raspberry pie controller.
Further, the raspberry pie controller is connect by USB interface with the camera.
Further, the camera acquires vehicle image information in real time.
Further, the LED light is used to carry out vehicle light filling so that the camera acquires vehicle image information.
Further, the raspberry pie controller is the license board information for receiving camera acquisition, and by the license board information
It is handled, exports the vehicle and Recognition Algorithm of License Plate processing unit of processing result.
Further, the alarm unit is alarmed by sound and light.
It further, further include relay, the alarm unit connects first relay by raspberry pie GPIO interface
Device, for controlling the intrusion of abnormal object.
Further, the LED light connects the second relay by raspberry pie GPIO interface and carries out switch control.
Further, the information collecting device is computer, and processing vehicle is exported to the raspberry pie controller for being responsible for
Board information summarizes, stores and notifies business personnel.
Further, the processing unit is mobile phone.
Compared with prior art, the utility model has the beneficial effects that
1. this patent vehicle identification equipment take pictures identifying control without ground induction coil, is identified and carried out by realtime graphic
The entrance of license plate target is judged whether there is, and is identified automatically, therefore the cost of this system application can be substantially reduced, also significantly
Reduce the project amount of project installation or upgrading；
2. this patent vehicle identification equipment also adds anomalous identification and judges function in addition to comprising conventional Car license recognition function
Can, if exception swarms into identification and alarms, embody the multifunctional characteristics of the equipment.
3. this system is based on raspberry pie platform, overall cost is cheap, has the basis of marketing application.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the vehicle identification equipment connection schematic diagram of one embodiment of the utility model car license recognition equipment.
Fig. 2 is the image collecting device connection schematic diagram of one embodiment of the utility model car license recognition equipment.
Fig. 3 is the embedded software flow chart in the image collecting device of one embodiment of the utility model car license recognition equipment.
Drawing reference numeral is as follows:
1, image collecting device, 2, communication device, 3, information collecting device, 4, processing unit；
11, raspberry pie controller, 12, camera, 13, LED light, 14, alarm unit, 15, display screen, 16, memory.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
The description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the guarantor of the requires of the utility model
Within the scope of shield.
In the present invention unless specifically defined or limited otherwise, term " connection ", etc. shall be understood in a broad sense, example
Such as, " connection " may be a fixed connection, and may be a detachable connection, or integral；It can be mechanical connection, be also possible to electricity
Connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of element, unless otherwise restricted clearly.It for the ordinary skill in the art, can be according to tool
Body situation understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
The utility model provides a kind of car license recognition equipment based on raspberry pie, in one embodiment, as shown in Figure 1, should
Car license recognition equipment based on raspberry pie includes image collecting device 1, communication device 2, information collecting device 3, processing unit 4,
Image collecting device 1 is connect with information collecting device 3 by communication device 2, and information collecting device 3 obtains image collecting device 1
Collected license board information, and processing unit 4 is sent to by communication device 2.
Communication device 2 uses wireless network or cable network, and wireless network is using any one of WIFI, 4G, 5G.
Such as Fig. 2, image collecting device 1 includes raspberry pie controller 11, camera 12, LED light 13, alarm unit 14, shows
Display screen 15, memory 16, raspberry pie controller 11 send license board information to information collecting device 3 and by vehicle by communication device 2
Board information stores in the memory 16, and camera 12, LED light 13, alarm unit 14 and display screen 15 are by raspberry pie controller 11
Control.
Further, raspberry pie controller 11 is connect by USB interface with camera 12.
Further, camera 12 acquires vehicle image information in real time, acquires realtime graphic specifically by camera 12
Information first takes exercises after pre-processing by raspberry pie controller 11 and identifies discriminatory analysis.
Further, LED light 13 is used to carry out vehicle light filling so that camera 12 acquires vehicle image information, specifically
Ground has such as obtained moving target appearance by movement identification discriminatory analysis, then starting 13 light filling of LED light control immediately, is adopted again
Image after collecting light filling, further progress car plate detection detect in target whether license plate occur, if there is license plate, then identify again
Character information in license plate frame, and license board information is uploaded into information collecting device 3, if license plate is not detected, according to target
Size and movement velocity estimation, judged in conjunction with scheduled threshold value, whether make is that the warning information that invades extremely carries out
Processing.
Further, raspberry pie controller 11 is the license board information for receiving camera 12 and acquiring, and license board information is carried out
Processing, exports the vehicle and Recognition Algorithm of License Plate processing unit of processing result.
Further, alarm unit 12 is alarmed by sound and light.
Further, display screen 15 uses the LED display of character library card control.
Further, memory 16 matches SD card or external mobile hard disk.
It further, further include the first relay, alarm unit 14 connects the first relay by raspberry pie GPIO interface,
For controlling the intrusion of abnormal object.
Further, LED light 13 connects the second relay by raspberry pie GPIO interface and carries out switch control.
The full name in English of GPIO in raspberry pie GPIO is General Purpose Input Output, that is, general
The port I/O.
As shown in Figure 3, the utility model relates to 1 embedded software process following steps of image collecting device:
Step 1: real-time image information being acquired by USB camera first, after pretreatment, identification of first taking exercises is sentenced
Disconnected analysis:；
Step 2: when movement identification discriminatory analysis goes out to have moving target, then starting LED light filling control immediately, resurveys benefit
Image after light, further progress car plate detection detect in target whether license plate occur；
Step 3: if there is license plate in detection target, further identifying the character information in license plate frame；
Step 4: if not occurring license plate in detection target, being estimated according to the size of target and movement velocity, in conjunction with pre-
Fixed threshold value is judged whether make is that the warning information invaded extremely is handled；
Step 5:: license board information or warning information are uploaded into information collecting device 3.
Further, information collecting device 3 is computer, and processing license board information is exported to raspberry pie controller 11 for being responsible for
Summarize, store and notify business personnel.
Further, processing unit 14 is hand-held terminal device, can be mobile phone, reality when holding mobile phone so as to business personnel
When check Car license recognition information, real-time tracking parking information.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of car license recognition equipment based on raspberry pie, including image collecting device, communication device, information collecting device, place
Device is managed, described image acquisition device is connect with the information collecting device by communication device, and the information collecting device obtains
The collected license board information of described image acquisition device is taken, and the processing unit is sent to by communication device；Its feature exists
In, described image acquisition device include raspberry pie controller, camera, LED light, alarm unit, display screen, memory, it is described
Raspberry pie controller is stored in the storage by communication device transmission license board information to information collecting device and by license board information
In device, the camera, LED light, alarm unit and display screen are controlled by the raspberry pie controller.
2. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the raspberry pie controller
It is connect by USB interface with the camera.
3. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the camera is adopted in real time
Collect vehicle image information.
4. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the LED light for pair
Vehicle carries out light filling so that the camera acquires vehicle image information.
5. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the raspberry pie controller
To receive the license board information of camera acquisition, and the license board information is handled, exports the vehicle and license plate of processing result
Recognizer processing unit.
6. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the alarm unit passes through
Sound and light are alarmed.
7. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that further include the first relay
Device, the alarm unit connects first relay by raspberry pie GPIO interface, for controlling the intrusion of abnormal object.
8. the car license recognition equipment according to claim 7 based on raspberry pie, which is characterized in that further include the second relay
Device, the LED light connect second relay by raspberry pie GPIO interface and carry out switch control.
9. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the information collecting device
For computer, summarize, store and notify business personnel to raspberry pie controller output processing license board information for being responsible for.
10. the car license recognition equipment according to claim 1 based on raspberry pie, which is characterized in that the processing unit is
Mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154486.0U CN209182842U (en) | 2018-12-21 | 2018-12-21 | A kind of car license recognition equipment based on raspberry pie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822154486.0U CN209182842U (en) | 2018-12-21 | 2018-12-21 | A kind of car license recognition equipment based on raspberry pie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209182842U true CN209182842U (en) | 2019-07-30 |
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|---|---|---|---|
| CN201822154486.0U Expired - Fee Related CN209182842U (en) | 2018-12-21 | 2018-12-21 | A kind of car license recognition equipment based on raspberry pie |
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| CN (1) | CN209182842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629259A (en) * | 2020-12-23 | 2021-04-09 | 山东建筑大学 | Kiln car identification method and system based on wall material production line |
-
2018
- 2018-12-21 CN CN201822154486.0U patent/CN209182842U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629259A (en) * | 2020-12-23 | 2021-04-09 | 山东建筑大学 | Kiln car identification method and system based on wall material production line |
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| CF01 | Termination of patent right due to non-payment of annual fee |