CN103646454A - Parking lot management system and method - Google Patents
Parking lot management system and method Download PDFInfo
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- CN103646454A CN103646454A CN201310722646.6A CN201310722646A CN103646454A CN 103646454 A CN103646454 A CN 103646454A CN 201310722646 A CN201310722646 A CN 201310722646A CN 103646454 A CN103646454 A CN 103646454A
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Abstract
The invention discloses a parking lot management system. With the adoption of the parking lot management system, vehicle access is detected by virtue of earth sense, a detection signal is sent to a barrier gate controller, the barrier gate controller controls the action of a barrier gate, a signal collecting camera collects entrance/exit video information in real time, and a video analysis server analyzes information of in and out vehicles according to the collected information to recognize vehicle license plates and vehicle logos and sends an analysis result to a memory; when the vehicles drive out of a parking lot, the video analysis server sends the analysis result to the memory and the barrier gate controller, and the barrier gate controller controls the action of the barrier gate according to the stored information of the memory. According to the technical scheme disclosed by the invention, the vehicle license plates and the vehicle logos are recognized by the video analysis server, so that when the vehicles drive out of the parking lot, the action of the barrier gate can be directly controlled according to the analysis result, the charge administration control of the parking lot in unattended operation is realized, and the problem that charge is unable as the system can not capture the vehicle license plate information and can not search the vehicle access information according to the vehicle license plates is solved.
Description
Technical field
The present invention relates to field, parking lot, relate in particular to a kind of managing system of car parking and method.
Background technology
Along with the progress of technology, unmanned parking lot is more and more general, and vehicle identification is the basis of realizing unmanned parking lot, is also an important step that realizes parking lot management charge.
At present, to the identification of vehicle, be mainly that identification by car plate realizes.But when if vehicle enters, system does not capture the relevant information of car plate, cannot realize by car plate and retrieve vehicles while passing temporal information so, cannot charge yet.
Summary of the invention
In view of this, the invention provides a kind of managing system of car parking and method, to solve that system in prior art cannot capture car plate and the problem that causes charging, its concrete scheme is as follows:
A kind of managing system of car parking, comprise: banister, ground sense, with described banister, feel the road brake controller being connected respectively, information acquisition video camera, the video analytics server being connected respectively with described information acquisition video camera and road brake controller, the storer being connected respectively with described video analytics server and road brake controller
Feel detection has vehicle to need to come in and go out describedly, and the signal detecting is sent to described road brake controller;
The action of the signal controlling banister that the sense of brake controller base area, described road detects;
Described signals collecting video camera Real-time Collection gateway video information, described video analytics server, according to the information of vehicles of the information analysis turnover of signals collecting camera acquisition, is carried out car plate identification other with car sign, and analysis result is sent to storer; When vehicle rolls parking lot away from, video analytics server is sent to storer and road brake controller by analysis result, and the storage information of road brake controller consults memory is controlled banister according to Query Result.
Further, also comprise: with the network hard disk video recorder NVR that described information acquisition video camera is connected, NVR preserves the video information of the gateway of information acquisition camera acquisition in real time.
Further, described video analytics server comprises:
With the car plate identification module that described signals collecting video camera and road brake controller are connected respectively, for the car plate to vehicles passing in and out, identify;
The car mark identification module being connected respectively with described signals collecting video camera and road brake controller, identifies for the car mark to vehicles passing in and out.
Further, described car mark identification module comprises:
First detection module carries out haar-adaboost detection to the video information of signals collecting camera acquisition;
The second detection module receives the testing result of described first detection module, and carries out CoHOG-SVM detection, realizes car sign not.
Further, also comprise: the center controlling platform being connected with described road brake controller,
The error message that described center controlling platform reception channel brake controller sends, and according to described error message, described banister is controlled.
Further, also comprise: the outlet CCTV camera being connected with described center controlling platform,
Described outlet monitoring camera machine monitoring outlet shooting information, makes center controlling platform control banister according to shooting information and the error message of monitoring outlet.
A parking lot management method, application managing system of car parking, comprising:
Receive the information of signals collecting camera acquisition, meanwhile, the detection signal of brake controller base area, road sense is controlled the action of banister;
According to the information receiving, carry out car plate identification other with car sign, obtain analysis result;
Analysis result is sent to storer, road brake controller, and when vehicle rolls away from, road brake controller is controlled the action of banister according to the storage information of storer.
Further, also comprise:
When receiving the information of signals collecting camera acquisition, signals collecting video camera is sent to NVR by the information of collection, and described NVR preserves the video information of signals collecting camera acquisition in real time.
Further, according to the information receiving, carry out car sign not, specifically comprise:
The video information of signals collecting camera acquisition is carried out to haar-adaboost detection, and testing result is sent;
Receive testing result, carry out CoHOG-SVM detection, realize car sign not.
Further, also comprise:
When mistake appears in analysis result, send relevant information to center controlling platform, realize the control to banister.
From technique scheme, can find out, managing system of car parking disclosed by the invention and method, by ground sense, detect and have vehicle to come in and go out, detection signal is sent to brake controller, by road brake controller, controlled the action of banister, signals collecting video camera Real-time Collection gateway video information, video analytics server is according to the information of vehicles of the information analysis turnover gathering, carry out car plate identification and car sign not, analysis result is sent to storer, when vehicle rolls parking lot away from, video analytics server is sent to storer and road brake controller by analysis result, road brake controller is controlled the action of banister according to the storage information of storer.This programme carries out car plate identification by video analytics server and car sign is other, be convenient to when vehicle rolls away from, can directly control according to analysis result the action of banister, having realized the toll administration in unmanned parking lot controls, solve system acquisition and less than license board information, cannot retrieve vehicles while passing information by car plate, the problem that cannot charge.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of managing system of car parking of the embodiment of the present invention;
Fig. 2 is the structural representation of the disclosed a kind of video analytics server of the embodiment of the present invention;
Fig. 3 is the process flow diagram of a kind of disclosed parking lot management method of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The present embodiment discloses a kind of managing system of car parking, and its structural representation as shown in Figure 1, comprising:
The action of the road brake controller 13 base area sense 11 signal controlling banisters 12 that detect.
When vehicle is felt 11 top with being positioned at, ground sense 11 has detected vehicle to be needed to come in and go out, and detection signal is sent to brake controller 13.Road brake controller 13 receives the signal that ground sense 11 sends, and when vehicle need to enter parking lot, road brake controller 13 is directly controlled the unlatching of banister 12, makes vehicle enter parking lot.
After vehicle enters, ground sense 11 detects does not have vehicle need to pass in and out parking lot, sends a signal to brake controller 13, and road brake controller 13 controls banister 12 and cuts out.
The video information of signals collecting video camera 14 Real-time Collection gateways, the information of vehicles of the information analysis turnover that video analytics server 15 gathers according to signals collecting video camera 14, carry out car plate identification and car sign not, obtain analysis result, analysis result is sent to storer 16.
When vehicle rolls parking lot away from, signals collecting video camera 14 gathers video information, and the vehicle that the information analysis that video analytics server 15 gathers according to signals collecting video camera 14 need to appear on the scene carries out car plate identification and car sign not, obtains recognition result.
When vehicle need to roll away from, banister 12 is in closed condition, ground sense 11 has detected vehicle to be needed to appear on the scene, send a signal to brake controller 13, the recognition result of road brake controller 13 receiver, video Analysis servers 15, road brake controller 13, according to these recognition result consults memory 16 canned datas, is paid the fees if detect when vehicle in front, controls banister 12 and opens; If detect when vehicle in front, not yet pay the fees, road brake controller 13 sends alerting signal, after prompting payment, appears on the scene again.
The disclosed managing system of car parking of the present embodiment, by ground sense, detect and have vehicle to come in and go out, detection signal is sent to brake controller, by road brake controller, controlled the action of banister, signals collecting video camera Real-time Collection gateway video information, video analytics server is according to the information of vehicles of the information analysis turnover gathering, carry out car plate identification and car sign not, analysis result is sent to storer, when vehicle rolls parking lot away from, video analytics server is sent to storer and road brake controller by analysis result, road brake controller is controlled the action of banister according to the storage information of storer.This programme carries out car plate identification by video analytics server and car sign is other, be convenient to when vehicle rolls away from, can directly control according to analysis result the action of banister, having realized the toll administration in unmanned parking lot controls, solve system acquisition and less than license board information, cannot retrieve vehicles while passing information by car plate, the problem that cannot charge.
Further, the disclosed parking ground control system of the present embodiment, can also comprise: the NVR(Network Video Recorder being connected with information acquisition video camera 14, network hard disk video recorder) 17.
NVR17 preserves the video information of the gateway of information acquisition video camera 14 collections in real time.
By NVR17, can realize simultaneously watch, browse, the video information of playback, management, a plurality of web cameras of storage, a NVR17 can realize the management and monitoring to a plurality of video cameras.
Further, the disclosed parking ground control system of the present embodiment, can also comprise: the center controlling platform being connected with road brake controller 13.
When carrying out car plate identification and car, 15 pairs of vehicles that will appear on the scene of video analytics server identify when other, when mistake appears in recognition result, maybe cannot identify car plate, car mark, video analytics server 15 is sent to center controlling platform by road brake controller 13 by the relevant information of above-mentioned appearance mistake or None-identified, is directly controlled the switching of banister by center controlling platform.
Preferably, the disclosed parking ground control system of the present embodiment, can also comprise: the outlet CCTV camera being connected with center controlling platform.
Outlet monitoring camera machine monitoring outlet information, makes center controlling platform according to the outlet shooting information of outlet CCTV camera, control the switching of banister.
The present embodiment discloses a kind of video analytics server, and its structural representation as shown in Figure 2, comprising:
The car plate identification module 21 being connected respectively with signals collecting video camera and road brake controller, the car mark identification module 22 being connected respectively with signals collecting video camera and road brake controller.
Wherein, car plate identification module 21 is identified for the car plate to vehicles passing in and out, and car mark identification module 22 is identified for the car mark to vehicles passing in and out.
Further, car mark identification module 22 specifically can also comprise: first detection module 221, the second detection module 222 being connected with first detection module.
The video information of 221 pairs of signals collecting camera acquisitions of first detection module is carried out haar-adaboost detection.
Wherein, the Algorithm for Training step of haar-adaboost is as follows:
If n training sample of input is: { (x
1, y
1), (x
2, y
2) ..., (x
n, y
n), wherein, x
ithe training sample of input, y
i∈ (0,1) represents respectively positive sample and negative sample, and wherein, positive sample number is l, and negative sample number is m, and concrete steps are as follows:
First, the weight of each sample of initialization
Secondly, weight is normalized to a probability distribution,
wherein, t=1 ..., the number that T(T is Weak Classifier);
In addition, to each feature f, train Weak Classifier hj to calculate the weighting error rate of corresponding characteristic Weak Classifier
Choose best Weak Classifier ht, have minimal error rate ε
t;
According to best Weak Classifier, adjust weight
wherein,
expression is during by correct classification, ε
i=0, while representing by wrong classification, ε
i=1;
Last strong classifier is:
Its detecting step is as follows:
First, to input picture from left to right, the scanning of window from top to bottom, wherein, window from (32,32) to (128,128), take 1 for step-length increases gradually, to each window extraction haar feature;
Secondly, the feature of extraction is carried out to the detection of car mark through adaboost strong classifier, satisfying condition is car mark, otherwise is not.
Wherein, the adaboost strong classifier model file generating in the present embodiment is 12 layers, and it is compared to high level, and as 20 layers, verification and measurement ratio is higher, and compared to bottom, as 5 layers, its detection time is short.
The second detection module 222 receives the testing result of first detection module 221, and carries out CoHOG-SVM detection, realizes car sign not.
Wherein, the training step of CoHOG-SVM algorithm is as follows:
If n training sample of input is: { (x
1, y
1), (x
2, y
2) ..., (x
n, y
n), wherein, xi is the training sample of input, y
i∈ (0,1) represents respectively positive sample and negative sample, and wherein, positive sample number is l, and negative sample number is m, and concrete steps are as follows:
First, the Grad of calculating input image, is divided into 8 intervals by (0,2 π) gradient direction, and each interval 45 degree, is
coHOG feature is that both direction combines, so if type in a total 8*8=64, when detected image, is limited to radius and is in 5 circle and calculate CoHOG, to there being 5+9+7+7+3=31 type more;
Secondly, to input picture from left to right, window scanning from top to bottom, wherein, window from (16,16) to (128,128), take 8 as step-length, calculates the cumulative amount of every kind of model in each window, is a CoHOG feature;
Adopt the method for support vector machine to train,
Try to achieve classifying face normal vector w, b.
Its detecting step is as follows:
First, CoHOG feature is extracted in the detected target area of haar-adaboost method;
Secondly, use support vector machine method to detect, satisfying condition is car mark, otherwise is not.
The disclosed video analytics server of the present embodiment is by haar-adaboost is detected with CoHOG-SVM and detects and combine, although CoHOG-SVM detection efficiency is high, consuming time longer.In this programme, by first using haar-adaboost to detect, target zone is determined, by whole figure, be reduced into several little figure, improved detection speed; If only adopt haar-adaboost to detect, false drop rate is high, so second step detects, uses CoHOG-SVM to detect, and has reduced false drop rate, finally obtains testing result accurately, has realized shortening on the basis of detection time, has improved detection efficiency.
The present embodiment discloses a kind of parking lot management method, application managing system of car parking, and its process flow diagram as shown in Figure 3, comprising:
The signal of step S31, reception signals collecting camera acquisition;
The shooting information of gateway, signals collecting video camera Real-time Collection parking lot, and shooting information is sent to video analytics server.Meanwhile, the detection signal of road brake controller base area sense is controlled the action of banister.
Step S32, according to the signal receiving, carry out car plate identification and car sign not, obtain analysis result;
Video analytics server receives the signal that signals collecting video camera sends, and carries out car plate identification and car sign is other according to the signal receiving, and obtains analysis result.
Step S33, analysis result is sent to storer, road brake controller, when vehicle rolls away from, road brake controller is controlled the action of banister according to the storage information of storer.
When vehicle need to roll away from, banister is in closed condition, ground sense has detected vehicle to be needed to appear on the scene, send a signal to brake controller, the recognition result of road brake controller receiver, video Analysis server, road brake controller, according to this recognition result consults memory canned data, is paid the fees if detect when vehicle in front, controls banister and opens; If detect when vehicle in front, not yet pay the fees, road brake controller sends alerting signal, after prompting payment, appears on the scene again.
The disclosed parking lot management method of the present embodiment, by ground sense, detect and have vehicle to come in and go out, detection signal is sent to brake controller, by road brake controller, controlled the action of banister, signals collecting video camera Real-time Collection gateway video information, video analytics server is according to the information of vehicles of the information analysis turnover gathering, carry out car plate identification and car sign not, analysis result is sent to storer, when vehicle rolls parking lot away from, video analytics server is sent to storer and road brake controller by analysis result, road brake controller is controlled the action of banister according to the storage information of storer.This programme carries out car plate identification by video analytics server and car sign is other, be convenient to when vehicle rolls away from, can directly control according to analysis result the action of banister, having realized the toll administration in unmanned parking lot controls, solve system acquisition and less than license board information, cannot retrieve vehicles while passing information by car plate, the problem that cannot charge.
Further, the disclosed parking lot management method of the present embodiment, when video analytics server receives the signal of signals collecting camera acquisition, NVR receives the information of signals collecting camera acquisition.
By NVR, can realize simultaneously watch, browse, the video information of playback, management, a plurality of web cameras of storage, a NVR can realize the management and monitoring to a plurality of video cameras.
Further, the disclosed parking lot management method of the present embodiment, can also comprise: when mistake appears in analysis result, send relevant information to center controlling platform, realize the control to banister.
When video analytics server, the vehicle that will appear on the scene being carried out to car plate identification and car identifies when other, when mistake appears in recognition result, maybe cannot identify car plate, car mark, video analytics server is sent to center controlling platform by road brake controller by the relevant information of above-mentioned appearance mistake or None-identified, is directly controlled the switching of banister by center controlling platform.
Preferably, in the disclosed parking lot management method of the present embodiment, according to the information receiving, carry out car sign not, specifically comprise:
The video information of signals collecting camera acquisition is carried out to haar-adaboost detection, and testing result is sent;
Receive testing result, carry out CoHOG-SVM detection, realize car sign not.
In the disclosed parking lot management method of the present embodiment, by using haar-adaboost detection and CoHOG-SVM to detect, realized shortening on the basis of detection time, improved detection efficiency.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Professional can also further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a managing system of car parking, it is characterized in that, comprise: banister, ground sense, with described banister, feel the road brake controller being connected respectively, information acquisition video camera, the video analytics server being connected respectively with described information acquisition video camera and road brake controller, the storer being connected respectively with described video analytics server and road brake controller
Feel detection has vehicle to need to come in and go out describedly, and the signal detecting is sent to described road brake controller;
The action of the signal controlling banister that the sense of brake controller base area, described road detects;
Described signals collecting video camera Real-time Collection gateway video information, described video analytics server, according to the information of vehicles of the information analysis turnover of signals collecting camera acquisition, is carried out car plate identification other with car sign, and analysis result is sent to storer; When vehicle rolls parking lot away from, video analytics server is sent to storer and road brake controller by analysis result, and the storage information of road brake controller consults memory is controlled banister according to Query Result.
2. system according to claim 1, is characterized in that, also comprises: with the network hard disk video recorder NVR that described information acquisition video camera is connected, NVR preserves the video information of the gateway of information acquisition camera acquisition in real time.
3. system according to claim 1, is characterized in that, described video analytics server comprises:
With the car plate identification module that described signals collecting video camera and road brake controller are connected respectively, for the car plate to vehicles passing in and out, identify;
The car mark identification module being connected respectively with described signals collecting video camera and road brake controller, identifies for the car mark to vehicles passing in and out.
4. system according to claim 3, is characterized in that, described car mark identification module comprises:
First detection module carries out haar-adaboost detection to the video information of signals collecting camera acquisition;
The second detection module receives the testing result of described first detection module, and carries out CoHOG-SVM detection, realizes car sign not.
5. system according to claim 1, is characterized in that, also comprises: the center controlling platform being connected with described road brake controller,
The error message that described center controlling platform reception channel brake controller sends, and according to described error message, described banister is controlled.
6. system according to claim 5, is characterized in that, also comprises: the outlet CCTV camera being connected with described center controlling platform,
Described outlet monitoring camera machine monitoring outlet shooting information, makes center controlling platform control banister according to shooting information and the error message of monitoring outlet.
7. a parking lot management method, applies managing system of car parking, it is characterized in that, comprising:
Receive the information of signals collecting camera acquisition, meanwhile, the detection signal of brake controller base area, road sense is controlled the action of banister;
According to the information receiving, carry out car plate identification other with car sign, obtain analysis result;
Analysis result is sent to storer, road brake controller, and when vehicle rolls away from, road brake controller is controlled the action of banister according to the storage information of storer.
8. method according to claim 7, is characterized in that, also comprises:
When receiving the information of signals collecting camera acquisition, signals collecting video camera is sent to NVR by the information of collection, and described NVR preserves the video information of signals collecting camera acquisition in real time.
9. method according to claim 7, is characterized in that, according to the information receiving, carries out car sign not, specifically comprises:
The video information of signals collecting camera acquisition is carried out to haar-adaboost detection, and testing result is sent;
Receive testing result, carry out CoHOG-SVM detection, realize car sign not.
10. method according to claim 7, is characterized in that, also comprises:
When mistake appears in analysis result, send relevant information to center controlling platform, realize the control to banister.
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