CN207458079U - A kind of ETC tracks vehicle type recognition device - Google Patents
A kind of ETC tracks vehicle type recognition device Download PDFInfo
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- CN207458079U CN207458079U CN201721374024.9U CN201721374024U CN207458079U CN 207458079 U CN207458079 U CN 207458079U CN 201721374024 U CN201721374024 U CN 201721374024U CN 207458079 U CN207458079 U CN 207458079U
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Abstract
The utility model discloses a kind of ETC tracks vehicle type recognition device, which includes laser scanning module (1), vehicle-logo recognition module (2), vehicle cab recognition module (3).The laser scanning module detects the position of vehicle traveling in real time, and accurately calculates the apparent size data of vehicle；The vehicle-logo recognition module is used to detect the logo information of vehicle；The vehicle cab recognition module is used to receive the detection data of laser scanning module and vehicle-logo recognition module, and the vehicle of vehicle is drawn according to these data.The device combination vehicle dimension information and logo information judge for vehicle, compared to individual laser automobile model recognizer, substantially increases the vehicle cab recognition success rate of the more special vehicle brand of size.
Description
Technical field
The present invention relates to intelligent transportation fields, and more particularly to ETC, (Electronic Toll Collection are not parking
E-payment system) track model recognizing method.
Background technology
The roadside unit being installed on ETC tracks obtains the access information of vehicle by communicating with electronic tag for vehicles OBU
With vehicle, license board information, realize electric non-stop toll, substantially increase vehicle pass-through efficiency, while save cost of labor.
Since the expenses standard on highway is distinguished with vehicle, vehicle information is write on inside OBU, ETC tracks
Unattended again, some operators cut down the related glass of the electronic tag of compact car together be mounted in, it is large-scale
On car, while car plate is replaced, to reduce the expense of high speed, it is therefore desirable to vehicle cab recognition equipment in ETC tracks is installed and matched somebody with somebody
ETC antennas are closed to use.
The model recognizing method on ETC tracks is broadly divided into two classes at present, and a kind of method accurately measures current vehicle
Apparent size, then judges the vehicle of vehicle by the size of vehicle, and mainstream product is laser sensor, its feature
To possess under all weather operations, bad weather the advantages of performance is stablized, still, due to vehicle only by the apparent size of vehicle come
Judge, for such as all-cis, iveco, the vehicle cab recognition rate for the special car that this kind of size logical greatly is bigger it is relatively low；Another kind side
Method is taken pictures to current vehicle, some features of vehicle then are extracted with analysis by image recognition algorithm, and with
Template in database is matched, and so as to draw the vehicle of vehicle, this method is that installation safeguards simple, and cost is relatively low, but
It is that image is affected by light environment, when dark, heavy snow, dense fog are when bad weathers, is obtained from picture complete
Vehicle front face feature is more difficult, and headstock is damaged or personalized repacking can also have a certain impact to discrimination, while is known
Other algorithm restricts, and the success rate of video identification is lower slightly compared to first method.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of ETC tracks vehicle type recognition device, and the purpose is to solve mesh
Vehicle dimension is only relied in preceding laser vehicle cab recognition equipment as vehicle basis for estimation, causes such as all-cis, iveco, lead to this kind of ruler greatly
The problem of vehicle cab recognition rate of very little bigger automobile is relatively low improves the recognition success rate of entire ETC anti-cheating systems.
A kind of ETC tracks vehicle type recognition device provided by the utility model, mainly including laser scanning module, vehicle-logo recognition
Module, vehicle cab recognition module.
The laser scanning module is connected with the vehicle-logo recognition module by network interface or I/O lines, for detecting
The real time position of vehicle, and provide the trigger signal of vehicle-logo recognition；
The laser scanning module is connected with the vehicle cab recognition module by network interface or serial ports, for measuring vehicle
Apparent size data, and data are transmitted to vehicle cab recognition module；
The vehicle-logo recognition module is connected with the vehicle cab recognition module by network interface or serial ports, for identifying vehicle
Logo information, and data are transmitted to vehicle cab recognition module；
The vehicle of vehicle is calculated characterized by the apparent size of vehicle and logo information in the vehicle cab recognition module
Type；
Preferably, the vehicle appearance dimension data includes at least the information such as vehicle commander, the overall height vehicle glass angle of vehicle；
Preferably, the vehicle-logo recognition module includes camera candid photograph identifier, video acquisition identifier, graphical analysis
One kind in the equipment such as device.
Description of the drawings
Fig. 1 is a kind of connection diagram of the modules of ETC tracks vehicle type recognition device provided by the utility model；；
Fig. 2 is a kind of ETC tracks vehicle type recognition device for providing of the utility model practical work example in ETC anti-cheating systems
Scheme of installation.
Specific embodiment
To be more clearly understood the advantages of making the purpose of the utility model embodiment and scheme.Below in conjunction with the accompanying drawings to this
Utility model embodiment is described in further detail.
As shown in Figure 1, laser scanning module is connected with vehicle-logo recognition module by I/O lines, laser scanning module and vehicle
Identification module passes through network interface connection by network interface connection, vehicle-logo recognition module with vehicle cab recognition module；As shown in Fig. 2, this implementation
Example give the utility model proposes a kind of ETC tracks vehicle type recognition device in ETC anti-cheating systems installation signal
Figure, a kind of ETC tracks vehicle type recognition device is by laser scanning module 1, vehicle-logo recognition module 2, vehicle cab recognition module 3
Composition.Wherein laser scanning module 1 and ETC antennas 3 are all installed on the top of L bars 8, and vehicle-logo recognition module 2 is located at the peace in track
Quan Dao one sides, vehicle cab recognition module 4 are placed on 6 the inside of sentry box with ETC charging softwares module 5, and Handrail machine 7 is located at 6 rear of sentry box,
Wherein the height of L bars is 6 meters, and the front and rear vertical range of laser scanning module and vehicle-logo recognition module is 3 meters.
The working method of the present embodiment is described below, when vehicle drives into ETC tracks, and into laser scanning module
Detection range, laser scanning module detects the headstock position of vehicle in real time, accurately calculates the vehicle commander of vehicle and overall height value, and
Vehicle commander and overall height information are transmitted to vehicle cab recognition module；Detect that headstock is reached immediately ahead of laser at 1 meter in laser scanning module
When, it provides I/O trigger signals and gives vehicle-logo recognition module, vehicle-logo recognition landmark identification goes out logo information after the logo information of vehicle
It is transmitted to vehicle cab recognition module；Vehicle cab recognition module passes through vehicle after data of the laser scanning module with vehicle-logo recognition module are received
Type disaggregated model draws the vehicle of the vehicle.The vehicle classification model makes using logo, vehicle commander, overall height, vehicle as class vector
Vehicle training sample is crossed with substantial amounts of, is obtained using decision tree+neural network classification Algorithm for Training.
Specific embodiment is applied in the utility model to be set forth the principle and embodiment of the utility model, with
The explanation of upper embodiment is only intended to help the method and its core concept for understanding the utility model；Meanwhile for this field
Those skilled in the art, according to the thought of the utility model, there will be changes, comprehensive in specific embodiments and applications
Upper described, this specification content should not be construed as the limitation to the utility model.
Claims (3)
1. a kind of ETC tracks vehicle type recognition device, mainly including laser scanning module, vehicle-logo recognition module, vehicle cab recognition module,
It is characterized in that：
The laser scanning module is connected with the vehicle-logo recognition module by network interface or I/O lines, for detecting vehicle
Real time position, and provide the trigger signal of vehicle-logo recognition；
The laser scanning module is connected with the vehicle cab recognition module by network interface or serial ports, for measuring vehicle
Apparent size data, and data are transmitted to vehicle cab recognition module；
The vehicle-logo recognition module is connected with the vehicle cab recognition module by network interface or serial ports, for identifying vehicle
Logo information, and data are transmitted to vehicle cab recognition module；
The vehicle of vehicle is calculated characterized by the apparent size of vehicle and logo information in the vehicle cab recognition module.
2. a kind of ETC tracks vehicle type recognition device according to claim 1, which is characterized in that including：
The vehicle appearance dimension data includes the information such as vehicle commander, overall height, the vehicle glass angle of vehicle.
3. a kind of ETC tracks vehicle type recognition device according to claim 1, which is characterized in that including：
The vehicle-logo recognition module includes camera and captures in the equipment such as identifier, video acquisition identifier, image dissector
One kind.
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| CN201721374024.9U CN207458079U (en) | 2017-10-23 | 2017-10-23 | A kind of ETC tracks vehicle type recognition device |
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| CN201721374024.9U CN207458079U (en) | 2017-10-23 | 2017-10-23 | A kind of ETC tracks vehicle type recognition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164462A (en) * | 2018-11-02 | 2019-01-08 | 广州市杜格科技有限公司 | Vehicle type recognition device and its method based on laser radar technique |
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2017
- 2017-10-23 CN CN201721374024.9U patent/CN207458079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164462A (en) * | 2018-11-02 | 2019-01-08 | 广州市杜格科技有限公司 | Vehicle type recognition device and its method based on laser radar technique |
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