CN103434484A - Vehicle-mounted identification and authentication device, mobile terminal and intelligent vehicle key control system and method - Google Patents
Vehicle-mounted identification and authentication device, mobile terminal and intelligent vehicle key control system and method Download PDFInfo
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- CN103434484A CN103434484A CN2013103641154A CN201310364115A CN103434484A CN 103434484 A CN103434484 A CN 103434484A CN 2013103641154 A CN2013103641154 A CN 2013103641154A CN 201310364115 A CN201310364115 A CN 201310364115A CN 103434484 A CN103434484 A CN 103434484A
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Abstract
The invention discloses a vehicle-mounted identification and authentication device, a mobile terminal and an intelligent vehicle key control system and method. The intelligent vehicle key control system comprises the vehicle-mounted identification and authentication device and the mobile terminal. The vehicle-mounted identification and authentication device comprises an obtaining module, a wireless communication module and an identification module. The mobile terminal comprises an authentication module. The obtaining module is used for obtaining facial images. The identification module is used for identifying and authenticating the obtained facial images according to pre-stored identification parameters, and if authentication fails, the facial images are sent to the mobile terminal through the wireless communication module and the authentication result is obtained according to feedback information of the mobile terminal. The authentication module is used for receiving and displaying the facial images and sending the feedback information such as new user registration authorization and registered user authorization or authorization refusal to the vehicle-mounted identification and authentication device. Therefore, the aim of remotely controlling the facial identification and authentication function of the vehicle-mounted identification and authentication device is achieved, and convenience is improved.
Description
Technical field
The present invention relates to intelligent vehicle key technical field, especially relate to a kind of vehicle-mounted identification authenticate device, mobile terminal and intelligent vehicle key control system and method thereof.
Background technology
Conventional truck generally starts by common car key, and chaufeur need be carried key, after key loss, can't start vehicle, and normal key very easily copies, and safety is poor.Along with developing rapidly of science and technology, the intelligent vehicle key has appearred at present, wherein the most representative face recognition technology that is based on is identified the intelligent vehicle key control system of authentication to chaufeur, described intelligent vehicle key control system gathers the facial image of chaufeur by vehicle-mounted identification authenticate device, and the identification parameter of this facial image and registered users is compared, complete the authentication to current driver's, with this, authorize or refuse to authorize current driver's to start vehicle.
At present, the intelligent vehicle key control system based on recognition of face, carrying out new user while registering, needs the car owner to whip up registration process at the vehicle place, when the car owner not at the scene, and car owner's relatives and friends can bring very large inconvenience need to start vehicle the time.
Simultaneously, because existing face recognition technology is also immature on algorithm, when training sample is less, system very easily is subject to illumination variation, visual angle change, beard length, age growth, the whether impact of the changing features such as wearing spectacles, make system the None-identified registered users occur in the part situation and can't start the situation of vehicle, to the user, bringing very big inconvenience.
Summary of the invention
Main purpose of the present invention is to provide a kind of vehicle-mounted identification authenticate device, mobile terminal, intelligent vehicle key control system and method, is intended to realize the recognition of face authentication function of remotely controlling vehicle mounted identification authenticate device, improves convenience.
To achieve these objectives, the present invention proposes a total inventive concept, and the mobile terminal remote that utilizes the car owner to carry is controlled vehicle-mounted identification authenticate device, and then realizes the purpose of Long-distance Control recognition of face authentication function.
Therefore, the present invention proposes a kind of vehicle-mounted identification authenticate device, comprises acquisition module, wireless communication module and identification module, wherein:
Acquisition module, for obtaining facial image;
Identification module, the facial image obtained for the identification of the identification parameter according to prestoring authentication, if authentification failure, send described facial image by described wireless communication module to the mobile terminal of binding in advance, and draw authentication result according to the feedback information of described mobile terminal.
Preferably, described vehicle-mounted identification authenticate device also comprises online study module, and it upgrades described identification parameter for the feedback information according to described mobile terminal.
Preferably, described acquisition module comprises the shooting unit, and it is for the capture video image, and described vehicle-mounted identification authenticate device also comprises the invasion detection module, its for:
Whether the moving region of detecting in described video image surpasses predetermined threshold value and detects described acquisition module whether get facial image, after if described moving region surpasses predetermined threshold value and lasting Preset Time, described acquisition module does not also get facial image, first to described mobile terminal, send described video image, then give the alarm.
The present invention also proposes a kind of mobile terminal, comprises the authorization identifying module, and it is for receiving and showing the facial image that vehicle-mounted identification authenticate device sends, and sends feedback information to described vehicle-mounted identification authenticate device.
Preferably, described mobile terminal also comprises locking module, and it,, for after receiving the lock instruction that external device sends, locks described authorization identifying module.
The present invention proposes a kind of intelligent vehicle key control system simultaneously, comprise the vehicle-mounted identification authenticate device and the mobile terminal that carry out information interaction, described vehicle-mounted identification authenticate device comprises acquisition module, wireless communication module and identification module, and described mobile terminal comprises an authorization identifying module, wherein:
Acquisition module, for obtaining facial image;
Identification module, the facial image obtained for the identification of the identification parameter according to prestoring authentication, if authentification failure, send described facial image by described wireless communication module to the mobile terminal of binding in advance, and draw authentication result according to the feedback information of described mobile terminal;
The authorization identifying module, for receiving and showing the facial image that vehicle-mounted identification authenticate device sends, and send feedback information to described vehicle-mounted identification authenticate device.
Preferably, described intelligent vehicle key control system also comprises server end, and described vehicle-mounted identification authenticate device and mobile terminal indirectly carry out information interaction by described server end, wherein:
Vehicle-mounted identification authenticate device, for to described server end, sending information, and receive the information that described mobile terminal is sent to described server end;
Mobile terminal, for to described server end, sending information, and receive the information that described vehicle-mounted identification authenticate device is sent to described server end;
Server end, the information the storage that for receiving described vehicle-mounted identification authenticate device and mobile terminal, send.
The present invention proposes a kind of intelligent vehicle key control method simultaneously, comprises step:
After vehicle-mounted identification authenticate device obtains facial image, according to the described facial image of identification parameter identification authentication prestored;
If described vehicle-mounted identification authenticate device authentification failure, send described facial image to mobile terminal;
Described mobile terminal receives and shows described facial image, and sends feedback information according to car owner's instruction to described vehicle-mounted identification authenticate device;
Described vehicle-mounted identification authenticate device draws authentication result according to described feedback information.
When preferably, described vehicle-mounted identification authenticate device draws the step of authentication result according to described feedback information, also comprise:
Described vehicle-mounted identification authenticate device upgrades described identification parameter according to described feedback information.
Preferably, before the step of described vehicle-mounted identification authenticate device according to the described facial image of identification parameter identification authentication prestored, also comprise:
Vehicle-mounted identification authenticate device capture video image;
Whether the moving region that described vehicle-mounted identification authenticate device detects in described video image surpasses predetermined threshold value and lasting Preset Time, and attempt to obtain facial image from described video image;
If the moving region in described video image surpasses predetermined threshold value and lasting Preset Time, and described vehicle-mounted identification authenticate device successfully do not get described facial image, to mobile terminal, sends described video image and gives the alarm.
Preferably, described mobile terminal stops carrying out information interaction with described vehicle-mounted identification authenticate device after receiving the lock instruction of external device transmission.
Vehicle-mounted identification authenticate device provided by the present invention, mobile terminal, intelligent vehicle key control system and method, when vehicle-mounted identification authenticate device authentification failure, the mobile terminal to the car owner sends facial image, the facial image that the car owner shows by mobile terminal judges, and utilize mobile terminal to send feedback information to vehicle-mounted identification authenticate device, such as new user's registed authorization, registered users mandate or refusal, authorize etc.Thereby realized the purpose of the recognition of face authentication function of remotely controlling vehicle mounted identification authenticate device, make the car owner be registered without in person arriving the vehicle place, perhaps avoided vehicle-mounted identification authenticate device None-identified car owner in some cases or other legal registered users and refused to start the difficult situation of vehicle, having improved convenience.
The accompanying drawing explanation
Fig. 1 is the structured flowchart of intelligent vehicle key control system of the present invention the first embodiment;
Fig. 2 is the structured flowchart of vehicle-mounted identification authenticate device one embodiment of the present invention;
Fig. 3 is the structured flowchart of acquisition module one embodiment in Fig. 2;
Fig. 4 is the structured flowchart of mobile terminal one embodiment of the present invention;
Fig. 5 is the user interface map that the authorization identifying module in Fig. 4 shows;
Fig. 6 is the structured flowchart of intelligent vehicle key control system of the present invention the second embodiment;
Fig. 7 is the diagram of circuit of intelligent vehicle key control method of the present invention the first embodiment;
Fig. 8 is the diagram of circuit of intelligent vehicle key control method of the present invention the second embodiment;
Fig. 9 is the diagram of circuit of intelligent vehicle key control method of the present invention the 3rd embodiment.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, intelligent vehicle key control system of the present invention one embodiment is proposed, described intelligent vehicle key control system comprises vehicle-mounted identification authenticate device 100 and mobile terminal 200, and described vehicle-mounted identification authenticate device 100 and mobile terminal 200 are bound mutually, can carry out information interaction.At first described vehicle-mounted identification authenticate device 100 carries out customer identity registration (log-on message and mobile terminal synchronization), then identify by the face to chaufeur the driving mandate that has authenticated vehicle, the processing unit of this device can be realized by embedded system or the vehicle-mounted computer based on X86-based of the treater based on the ARM framework, digital signal processor on hardware.Described mobile terminal 200 is carried by the car owner usually, can be mobile phone or panel computer.
Described vehicle-mounted identification authenticate device 100 as shown in Figure 2 and Figure 3, comprise acquisition module 110, wireless communication module 130, initial learn module 120, on-line study module 150, identification module 140 and intrusion detection module 160, described acquisition module 110, for obtaining facial image and video image, comprises and takes unit 111, people's face detecting unit 112 and pretreatment unit 113.
Take unit 111: for taking the video image in car, for cost-saving, can adopt the single network camera.Described shooting unit 111 can be also external camera head, by USB interface or IEEE1394 interface, with vehicle-mounted identification authenticate device 100, is connected.
People's face detecting unit 112: position for the human face region to video image, detect people's face.Its testing process is as follows:
At first carry out feature extraction, extract the feature of (different regional area sizes) under various yardsticks of each position in video image.Feature more commonly used has Ha Er small echo (HAAR) feature, Jia Bai (Gabor) feature etc.; The feature of extracting also can obtain by the method for study, and for example, convolutional neural networks (CNN), by using the back transfer algorithm, is learnt the multilayer convolution kernel, and then the image of these convolution kernels and different levels carries out convolution, and the multilayer feature of synthetic image is expressed.
Then adjudicated, according to the detector trained (this detector also can be considered a kind of binary classifier, for distinguishing people's face and non-face zone), adjudicate which position and comprise people's face under which yardstick.This detector can be realized with SVMs, also can use self adaptation to strengthen classification algorithms such as (AdaBoost) and realize.Wherein SVMs different classes of by study between the dividing range of proper vector (or vector linearity or Nonlinear Mapping) realize, this dividing range is minimizing the simultaneous minimization structure risk of training error; And self adaptation strengthens sorting algorithm by a plurality of Weak Classifiers of study and respective weights, then will after a plurality of Weak Classifier series connection, be classified, it is not the zone of people's face that the Weak Classifier of series connection front end can be removed in a large number by very little calculated amount, the Weak Classifier of back segment further detects remaining zone again, thereby can greatly promote people's face detection speed.
Pretreatment unit 113: carry out pretreatment and aligning for the facial image to detecting, the impact with the relative displacement that reduces illumination and each position of people's face on recognition of face.Its treating process is as follows:
At first carry out Gamma correction (Gamma Correction), to strengthen the dynamic range of topography.The gray value of supposing certain pixel is γ, and after Gamma correction, this gray value equals I so
γ, the span of γ is 0 to 1.
Then carry out Gaussian difference filtering (Difference of Gaussian filtering), to remove the impact of overall brightness step, as shade etc.Gaussian difference filtering using two not the difference of homoscedastic two-dimensional Gaussian function carry out convolution as convolution kernel and facial image and complete filtering.Gaussian difference filtering can be considered as a kind of bandpass filter, and noise and the lower brightness step of frequency that frequency is very high change filtering.
Then carry out the contrast ratio equilibrium, with the span of readjusting brightness of image and the variation of standardized images brightness.Can take the gray value intermediate value divided by all pixels of view picture facial image by the gray value of each pixel to realize.
Finally carry out living body authentication, whether the two-dimension human face image that the authentication of take receives is real human face.Can in verification process, require the face of chaufeur towards certain variation is arranged, according to judge whether different towards facial image carry out living body authentication.Also can allow filming apparatus is upper and lower, side-to-side movement, according to judge that whether camera head can photograph different visual angles facial image while moving is authenticated.Can also carry out detection and tracking to the eyes position, according to judging that the change whether eye has the reasons such as nictation to cause is authenticated.
Wireless communication module 130: for directly communicating with the mobile terminal 200 of binding, this wireless communication module 130 can adopt 3G communication news module or WIFI module.
Initial learn module 120: for according to when registration the facial image that obtains of acquisition module 110 carry out initial learn, to obtain identification parameter, and be stored in this locality.The extraction and the decision device parameter learning that comprise training set facial image feature.The extraction of described training set facial image feature, extract the feature of appointment in pretreated facial image from training set, Jia Bai (Gabor) feature is arranged, local two value tags (Local Binary Pattern) etc. for recognition of face feature more commonly used.The feature of extracting also can obtain by the method for study, can adopt K means clustering method (K-means), limited bohr hereby agate machine (restricted boltzmann machine) or auto coder (auto-encoder) carries out unsupervised learning and obtains needing the feature of extracting.Described decision device parameter learning, can adopt SVMs, random forest (Random Forest), self adaptation to strengthen the sorting techniques such as (Adaboost), artificial neural net (ANN), distance classification device and realize.
Identification module 140: be pre-stored in local identification parameter for basis, the facial image that acquisition module 110 is obtained is identified authentication.The described identification parameter prestored comprises the identification parameter (comprising characteristic parameter and decision device parameter etc.) that 120 couples of registered users' of initial learn module facial image initial learn obtains, and the identification parameter of the follow-up renewal upgrading of on-line study module 150.When the confidence level of identifying is higher, authorized user carries out vehicle operating; Otherwise, by wireless communication module 130, facial image and the relevant information (as candidate message) thereof obtained are sent to mobile terminal 200, then draw authentication result according to the feedback information of mobile terminal 200.For example, if the car owner carries out new user's registed authorization or registered users mandate by 200 pairs of current driver's of mobile terminal, 140 results that draw authentication success of identification module, authorize current driver's to carry out vehicle operating; If the car owner authorizes current driver's by mobile terminal 200 refusals, 140 results that draw authentification failure of identification module, refusal current driver's operation vehicle.
The concrete identifying of identification module 140 is: at first extract feature, the feature of the identification parameter that extraction specific characteristic and extraction prestore from the facial image obtained.Then adjudicated, the feature of more described specific characteristic and identification parameter, obtain the similarity with people's face of registered users, obtains the candidate of some.As use SVMs as decision device, can, by calculating the distance of sample characteristics to be identified to the classification interface, estimate similarity and confidence level; As adopt the distance classification device as decision device, by the distance of calculating sample characteristics to be identified and training set sample or center of a sample, estimate similarity and confidence level.If the similarity of sample to be identified and all registered users, all lower than certain threshold value, is judged to the unauthorized chaufeur; , be judged to and authorized chaufeur during higher than certain threshold value when the similarity with a certain registered users; When similarity between authorize and unauthorized between the time, refusal judgement.When being judged to be unauthorized chaufeur or when judgement refusal, call the mobile terminal that wireless communication module 130 is sent to binding by the facial image that obtains and relevant information (as similar candidate message).Wherein candidate's selection, can be sorted according to the similarity of sample characteristics to be identified and existing registered users training sample, selects several registered users that similarity is the highest as the candidate.
On-line study module 150: identification parameter is upgraded for the feedback information according to mobile terminal 200.If the car owner selects registered users to authorize current driver's by mobile terminal 200, the feature that the facial image (can be multiple images that collect) of 150 registered user's identity of authorizing according to the car owner of on-line study module and current driver's extracts is upgraded identification parameter, as classifier parameters and/or characteristic parameter.If the car owner selects current chaufeur is carried out to new user's registed authorization, explanation is new registered user, and on-line study module 150 is just set up new user identity identification number, extracts new user's identification parameter.
For characteristic parameter, upgrade, if the feature that initial learn module 120 is extracted is to obtain by the mode of study, need to study to feature upgraded to adapt to the facial image of new mandate or new registration.If what initial learn module 120 adopted is that the K means clustering method carries out clustering learning, can adopt online K means clustering method (online-kmeans) to carry out the renewal of feature.Wherein, online K means clustering method, upgraded according to the distance of new samples and original cluster centre.If the distance of new samples and cluster centre is less than certain threshold value, according to this sample, recalculate the average of corresponding cluster centre; If be greater than certain threshold value, increase cluster centre newly.
For the decision device parameter, upgrade, the feature of extracting according to current facial image is upgraded the decision device parameter.If the decision device of initial learn module 120 adopts SVMs or artificial neural net (ANN), can to the classifying face parameter of SVMs, be upgraded by random gradient descent method (Stochastic Gradient Decent) or with loom gradient descent method (Stochastic Sub-gradient Decent); If the decision device of initial learn module 120 adopts random forest, can adopt online random forest (On-line Random Forest) to be upgraded.If wherein online random forest expands according to newly-increased number of samples and to existing decision tree the entropy production that may bring, the decision tree in random forest is upgraded.If newly-increased number of samples is greater than certain threshold value, be greater than certain threshold value if decision tree is expanded to the entropy production that can bring simultaneously, decision tree is expanded, increase the node of decision tree.
Intrusion detection module 160: whether the moving region in the video image collected for detection of described acquisition module 110 surpasses predetermined threshold value, and whether the described acquisition module 110 of detection gets facial image, after if described moving region surpasses predetermined threshold value and lasting Preset Time, described acquisition module 110 does not also get facial image, first to described mobile terminal 200, send described video image, then give the alarm.
Concrete, described moving region can adopt the foreground extracting method based on background modeling to obtain, and at first uses mixed Gauss model (weighted sum of Gaussian function) to carry out modeling to the span of each pixel point value in video image; Then in the foreground extraction process, if current pixel point can be described by the mixed Gauss model of background, be judged to be background dot, otherwise be judged to be foreground point.Described moving region also can adopt frame difference method to detect and obtain, and by the front and back frame to video image, subtracts each other, and before and after finding out, frame changes pixel greatly, and judges moving region after continuous multiple frames adds up.After moving region being detected, whether the area that calculates moving region is greater than predetermined threshold value with the ratio of full images area, if after being greater than predetermined threshold value and having continued Preset Time (as 30 seconds), still do not receive the information that acquisition module 110 obtains facial image, pass through immediately wireless communication module 130 after the video image of 200 these time periods of transmission of mobile terminal of car owner, then give the alarm.Thereby can prevent that the invasion personnel from finding to destroy filming apparatus after the game is over, cause can't collecting evidence afterwards.
Described mobile terminal 200 as shown in Figure 4, Figure 5, can be mobile phone or panel computer etc., comprises authorization identifying module 210 and locking module 220, wherein:
Authorization identifying module 210: for receiving and showing facial image and the video information that vehicle-mounted identification authenticate device 100 sends, and send the feedback informations such as registered users mandate, new user's registed authorization or refusal mandate to described vehicle-mounted identification authenticate device 100.Described mobile terminal 200 can be based on Mobile operating system developing applications such as iOS, Android, Windows Phone, and described authorization identifying module 210 provides clear, maneuverable user interface by described application program to the car owner.As shown in Figure 5, showed the fundamental element of user interface, wherein zone 211, for showing image or video, is checked and reference for the user; Zone 212 is " registration " new user button, and the user can pass through the new user of this button remote login, immediately licenses to the current driver's steering vehicle, and information is fed back to vehicle-mounted identification authenticate device 100; A plurality of rectangular areas in zone 213 show facial image and the refusal icon of registered users by the phase knowledge and magnanimity, the car owner confirms to authorize the registered but chaufeur of vehicle-mounted identification authenticate device 100 None-identifieds by clicking these facial images, or click refusal icon refusal and authorize current driver's, and information is fed back to vehicle-mounted identification authenticate device 100; Zone 214 display application program statuss, for example, the coupled condition of vehicle-mounted identification authenticate device 100 and mobile terminal 200 or server etc.
Locking module 220: after the lock instruction receiving the external device transmission, lock described authorization identifying module 210, thereby the authorization identifying function of turning-off mobile terminal 200, avoid unauthorized person to walk around the recognition of face authentication of vehicle-mounted identification authenticate device 100 by theft car owner's mobile terminal 200.Described external device can be final terminal or the server of any transmission lock instruction, and described lock instruction can be self-defined by the car owner.
Referring to Fig. 6, intelligent vehicle key control system of the present invention the second embodiment is proposed, described intelligent vehicle key control system is compared with above-described embodiment, be to have increased server end 300, make described vehicle-mounted identification authenticate device 100 and mobile terminal 200 indirectly carry out information interaction by described server end 300.Wherein, described vehicle-mounted identification authenticate device 100 is bound with account corresponding in described server end 300, and (station server can be processed the information of a plurality of different users simultaneously, the server account that different users is corresponding different), to described server end 300 transmission information, and receive the information that described mobile terminal 200 is sent to described server end 300; Described mobile terminal 200 is bound with account corresponding in described server end 300, to described server end 300 transmission information, and receives the information that described vehicle-mounted identification authenticate device 100 is sent to described server end 300; Information storage that described server end 300 sends for receiving described vehicle-mounted identification authenticate device 100 and mobile terminal 200.Described server end 300 can adopt desktop computer, and loads corresponding application program as server platform on desktop computer; The network server platform that perhaps uses the Web server business to provide.
The network server platform that the google of take provides is example, and the application program of server end 300 can realize by Google's application engine, image or video that it is uploaded for receiving vehicle-mounted identification authenticate device 100, the feedback information of mobile terminal receive 200 simultaneously.Mobile terminal 200 and vehicle-mounted identification authenticate device 100 are regularly to server end 300 obtaining informations.Concrete, when server end 300 receive vehicle-mounted identification authenticate device 100 with image put up request after, use Google's application engine by image or video storage in the data warehouse of Google's application engine, corresponding state variable is set as very, representative has new renewal (can adopt the PYTHON language to realize this step in Google's application engine) simultaneously.Whether the state variable that mobile terminal 200 is listened to server end 100 in real time is true, true if, 300 li image or videos that just stored of server end are downloaded to mobile terminal 200, allow the car owner select whether to authorize the current driver's steering vehicle, the feedback information that the car owner sends by mobile terminal 200 is uploaded onto the server and is held 300 by the request of putting up.Vehicle-mounted identification authenticate whole device 100 also the state variable of the user instruction by listening in real time server end 300 carry out the feedback information of mobile terminal receive 200, and determine whether authorizing current driver's according to feedback information and drive power and upgrade identification parameter.
If car owner's mobile terminal 200 is lost, the car owner can send lock instruction to described mobile terminal 200 by server end 300, close the authorization identifying function of described mobile terminal 200, avoid unauthorized person to walk around the recognition of face authentication of vehicle-mounted identification authenticate device 100 by theft mobile terminal 200.
Accordingly, intelligent vehicle key control system of the present invention has the following advantages:
(1), when vehicle-mounted identification authenticate device 100 None-identified non-registered users, the car owner is can be by mobile terminal 200 long-range carries out new user's registration, makes the car owner be registered without in person arriving the vehicle scene, has improved convenience.
(2) when 100 pairs of registered users None-identifieds of vehicle-mounted identification authenticate device, the car owner only need select the active user according to facial image by mobile terminal 200 from alternative registered user, can easily complete mandate.Vehicle-mounted identification authenticate device 100 None-identified car owners or other legal registered users and refuse to start the difficult situation of vehicle have been avoided in some cases.
And, car owner's mobile terminal 200 is with lock function, when car owner's mobile terminal 200 stolen, the car owner can send lock instruction to stolen mobile terminal 200 by external devices such as other mobile terminals or servers, the authorization identifying function of locking stolen mobile terminal 200, thereby avoid other people to avoid the face authentication of vehicle by the mobile terminal 200 of stealing the car owner, improved safety.
(3) simultaneously, the feedback informations such as new user's registed authorization of feeding back by mobile terminal 200 based on the car owner, registered users mandate, the on-line study module 150 of vehicle-mounted identification authenticate device 100 can be upgraded and upgrading identification parameter.By with the car owner, completing alternately the on-line study of vehicle-mounted identification authenticate device 100, avoided the issuable wrong replacement problem of full automaticity on-line study method, unnecessary renewal operation and calculated amount have also been reduced, the comformability of changing features is stronger under various conditions to same people's face to make system, and the performance of identification is become better and better automatically.Along with the increase of system period of service, the number of times that needs the car owner to intervene will significantly reduce, and improve the accuracy of identification.
(4) the intrusion detection module 160 of vehicle-mounted identification authenticate device 100 possesses the function that vehicle interior is monitored.When there being the people to enter vehicle, vehicle-mounted identification authenticate device 100 can remind the personnel of entering to carry out face authentication.When the personnel face that enters vehicle deliberately avoids filming apparatus, can not complete authentication at the appointed time, intrusion detection module 160 can send to video image server end 300 or car owner's mobile terminal 200 immediately, then gives the alarm.Produce evidence for evidence obtaining in the future, avoid the invasion personnel deliberately to destroy Evidence loss after camera head.
Referring to Fig. 7, intelligent vehicle key control method one embodiment of above-mentioned intelligent vehicle key control system is proposed, when the described intelligent vehicle key control system intelligent vehicle key control system that is the first embodiment as shown in Figure 1, when vehicle-mounted identification authenticate device and mobile terminal directly carry out information interaction, described intelligent vehicle key control method comprises the following steps:
Step S101, vehicle-mounted identification authenticate device obtain facial image.
After the user enters operator's compartment, vehicle-mounted identification authenticate device obtains user's facial image immediately.
Step S102, vehicle-mounted identification authenticate device judge whether facial image and the identification parameter prestored mate.
After obtaining facial image, vehicle-mounted identification authenticate device then, according to the identification parameter identification authentication facial image prestored, if facial image is complementary with the identification parameter prestored, enters step S103; If facial image does not mate with the identification parameter prestored, enter step S104.
Step S103, authentication success.
After authentication success, vehicle-mounted identification authenticate device authorized user carries out vehicle operating.
Step S104, vehicle-mounted identification authenticate device send facial image to mobile terminal.
After authentification failure, vehicle-mounted identification authenticate device sends to mobile terminal by facial image and the relevant information (as candidate message) thereof obtained, and this mobile terminal is carried by the car owner.
Step S105, mobile terminal receive and show facial image, and send feedback information according to car owner's instruction to vehicle-mounted identification authenticate device.
After mobile terminal receives facial image, to the car owner, show this facial image, the car owner carries out immediately corresponding operation and sends corresponding instruction to mobile terminal, as sent registered users authorized order, new user's registed authorization instruction, refusal instruction etc.Mobile terminal sends corresponding feedback information according to car owner's instruction to vehicle-mounted identification authenticate device, as sent the feedback informations such as registered users mandate, new user's registed authorization or refusal mandate.
Step S106, vehicle-mounted identification authenticate device draw authentication result according to feedback information.
If vehicle-mounted identification authenticate device is received the feedback information of new user's registed authorization or registered users mandate, draw the result of authentication success, authorize current driver's to carry out vehicle operating; When if vehicle-mounted identification authenticate device is received the feedback information of refusal mandate, draw the result of authentification failure, refusal current driver's operation vehicle.
Step S107, vehicle-mounted identification authenticate device upgrade identification parameter according to feedback information.
If vehicle-mounted identification authenticate device is received the feedback information of registered users mandate, the feature that registered user's identity of authorizing according to the car owner and the facial image (can be multiple images that collect) of current driver's extract is upgraded identification parameter.If vehicle-mounted identification authenticate device is received the feedback information of new user's registed authorization, explanation is new registered user, sets up new user identity identification number, extracts new user's identification parameter.
Referring to Fig. 8, intelligent vehicle key control method second embodiment of above-mentioned intelligent vehicle key control system is proposed, when the described intelligent vehicle key control system intelligent vehicle key control system that is the second embodiment as shown in Figure 6, when vehicle-mounted identification authenticate device and mobile terminal indirectly carry out information interaction by server end, described intelligent vehicle key control method comprises the following steps:
Step S201, vehicle-mounted identification authenticate device obtain facial image.
After the user enters operator's compartment, vehicle-mounted identification authenticate device obtains user's facial image immediately.
Step S202, vehicle-mounted identification authenticate device judge whether facial image and the identification parameter prestored mate.
After obtaining facial image, vehicle-mounted identification authenticate device then, according to the identification parameter identification authentication facial image prestored, if facial image is complementary with the identification parameter prestored, enters step S203; If facial image does not mate with the identification parameter prestored, enter step S204.
Step S203, authentication success.
After authentication success, vehicle-mounted identification authenticate device authorized user carries out vehicle operating.
Step S204, vehicle-mounted identification authenticate device send facial image to server end.
After authentification failure, vehicle-mounted identification authenticate device sends to server end by facial image and the relevant information (as candidate message) thereof obtained, and server end receives and store facial image and relevant information thereof.
Step S205, mobile terminal are downloaded facial image and show from server end, and sending feedback information according to car owner's instruction to server end.
After mobile terminal receives facial image, to the car owner, show this facial image, the car owner operates accordingly immediately and sends corresponding instruction to mobile terminal, as sent registered users authorized order, new user's registed authorization instruction, refusal instruction etc.Mobile terminal sends corresponding feedback information according to car owner's instruction to server end, and as sent the feedback informations such as registered users mandate, new user's registed authorization or refusal mandate, server end receives and store described feedback information.
Step S206, vehicle-mounted identification authenticate device are downloaded feedback information from server end, and are drawn authentication result according to feedback information.
If vehicle-mounted identification authenticate device is received the feedback information of new user's registed authorization or registered users mandate, draw the result of authentication success, authorize current driver's to carry out vehicle operating; When if vehicle-mounted identification authenticate device is received the feedback information of refusal mandate, draw the result of authentification failure, refusal current driver's operation vehicle.
Step S207, vehicle-mounted identification authenticate device are downloaded feedback information from server end, and upgrade identification parameter according to feedback information.
If vehicle-mounted identification authenticate device is received the feedback information of registered users mandate, the feature that registered user's identity of authorizing according to the car owner and the facial image (can be multiple images that collect) of current driver's extract is upgraded identification parameter.If vehicle-mounted identification authenticate device is received the feedback information of new user's registed authorization, explanation is new registered user, sets up new user identity identification number, extracts new user's identification parameter.
Referring to Fig. 9, intelligent vehicle key control method the 3rd embodiment of the present invention is proposed, described intelligent vehicle key control method can also be monitored in real time to vehicle, prevents lawless people intrusion vehicle enforcement theft, and concrete steps are as follows:
Step S301, vehicle-mounted identification authenticate device capture video image.
After the vehicle stop operation, the real-time capture video image of vehicle-mounted identification authenticate device, monitored vehicle interior.
Whether the moving region that step S302, vehicle-mounted identification authenticate device detect in video image surpasses predetermined threshold value and lasting Preset Time.
Vehicle-mounted identification authenticate device attempts to obtain facial image from video image when carrying out the recognition of face authentication, also detects the moving region in video image, with this, has judged whether that personnel enter vehicle.Described moving region can adopt the foreground extracting method based on background modeling to obtain, and at first uses mixed Gauss model (weighted sum of Gaussian function) to carry out modeling to the span of each pixel point value in video image; Then in the foreground extraction process, if current pixel point can be described by the mixed Gauss model of background, be judged to be background dot, otherwise be judged to be foreground point.Described moving region also can adopt frame difference method to detect and obtain, and by the front and back frame to video image, subtracts each other, and before and after finding out, frame changes pixel greatly, and judges moving region after continuous multiple frames adds up.After moving region being detected, whether the area that calculates moving region is greater than predetermined threshold value with the ratio of full images area, if be greater than predetermined threshold value and lasting Preset Time, explanation has personnel into the car, enters step S303; If be less than predetermined threshold value, explanation does not have personnel into the car, proceeds to detect.
Step S303, vehicle-mounted identification authenticate device judge whether to get facial image from video image.
After the personnel of having detected enter vehicle, vehicle-mounted identification authenticate device points out the personnel of entering to carry out the recognition of face authentication, judge whether successfully to get facial image from video image simultaneously, if do not get facial image, the explanation personnel of entering have a mind to hide face authentication, be likely that lawless people is invaded in car, enter step S304; If successfully got facial image, enter step S305-S310, step S305-S310 is identical with the step S102-S107 in aforementioned intelligent car key control method the first embodiment, does not repeat them here.Step S305-S310 also can replace to the step S202-S207 in aforementioned intelligent car key control method the second embodiment simultaneously.
Step S304, vehicle-mounted identification authenticate device send video image and give the alarm to mobile terminal.
Vehicle-mounted identification authenticate device defines lawless people and invades, and at first to car owner's mobile terminal, sends video image to retain evidence, and then gives the alarm.Perhaps also can send video image to registered server end.
In above-mentioned intelligent vehicle key control method first, second, third embodiment, after if car owner's mobile terminal receives the lock instruction of external device as other mobile terminal or server end transmission, stop carrying out information interaction with described vehicle-mounted identification authenticate device, receive the human face image information directly sent by vehicle-mounted identification authenticate device as stopped or stopping downloading from server end the human face image information of being uploaded by vehicle-mounted identification authenticate device, or stopping directly sending feedback information or uploading feedback information to server end to vehicle-mounted identification authenticate device.Steal to prevent lawless people the intelligent vehicle key control system of controlling vehicle after car owner's mobile terminal.
In sum, intelligent vehicle key control method of the present invention has the following advantages:
(1) after vehicle-mounted identification authenticate device is to active user's recognition of face authentification failure, the mobile terminal to the car owner sends human face image information, by the long-range command operating that maybe will not authorize of being authorized of car owner, realize the purpose of the recognition of face authentication function of remotely controlling vehicle mounted identification authenticate device, improved convenience.
(2) car owner's mobile terminal is with lock function, when car owner's mobile terminal stolen, the car owner can send lock instruction to stolen mobile terminal by external devices such as other mobile terminals or servers, the authorization identifying function of locking stolen mobile terminal, thereby avoid other people to avoid the face authentication of vehicle by the mobile terminal of stealing the car owner, improved safety.
(3) simultaneously, the feedback informations such as new user's registed authorization of feeding back by mobile terminal based on the car owner, registered users mandate, vehicle-mounted identification authenticate device can upgrade and upgrading identification parameter.By with the car owner, completing alternately the on-line study of vehicle-mounted identification authenticate device, avoided the issuable wrong replacement problem of full automaticity on-line study method, unnecessary renewal operation and calculated amount have also been reduced, the comformability of changing features is stronger under various conditions to same people's face to make system, and the performance of identification is become better and better automatically.Along with the increase of system period of service, the number of times that needs the car owner to intervene will significantly reduce, and improve the accuracy of identification.
(4) vehicle-mounted identification authenticate device also possesses the function that vehicle interior is monitored.Enter vehicle when detecting someone, vehicle-mounted identification authenticate device can remind the personnel of entering to carry out face authentication.When the personnel face that enters vehicle deliberately avoids filming apparatus, can not complete authentication at the appointed time, vehicle-mounted identification authenticate device can send to video image server end or car owner's mobile terminal immediately, then gives the alarm.Produce evidence for evidence obtaining in the future, avoid the invasion personnel deliberately to destroy Evidence loss after camera head.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (11)
1. a vehicle-mounted identification authenticate device, is characterized in that, comprises acquisition module, wireless communication module and identification module, wherein:
Acquisition module, for obtaining facial image;
Identification module, the facial image obtained for the identification of the identification parameter according to prestoring authentication, if authentification failure, send described facial image by described wireless communication module to the mobile terminal of binding in advance, and draw authentication result according to the feedback information of described mobile terminal.
2. vehicle-mounted identification authenticate device according to claim 1, is characterized in that, also comprise online study module, it upgrades described identification parameter for the feedback information according to described mobile terminal.
3. vehicle-mounted identification authenticate device according to claim 1 and 2, is characterized in that, described acquisition module comprises the shooting unit, and it is for the capture video image, and described vehicle-mounted identification authenticate device also comprises the invasion detection module, its for:
Whether the moving region of detecting in described video image surpasses predetermined threshold value and detects described acquisition module whether get facial image, after if described moving region surpasses predetermined threshold value and lasting Preset Time, described acquisition module does not also get facial image, first to described mobile terminal, send described video image, then give the alarm.
4. a mobile terminal, is characterized in that, comprises the authorization identifying module, and it is for receiving and showing the facial image that vehicle-mounted identification authenticate device sends, and send feedback information to described vehicle-mounted identification authenticate device.
5. mobile terminal according to claim 4, is characterized in that, also comprises locking module, and it,, for after receiving the lock instruction that external device sends, locks described authorization identifying module.
6. an intelligent vehicle key control system, it is characterized in that, comprise the vehicle-mounted identification authenticate device and the mobile terminal that carry out information interaction, described vehicle-mounted identification authenticate device is vehicle-mounted identification authenticate device as described as claim 1-3 any one, and described mobile terminal is mobile terminal as described as claim 4 or 5.
7. intelligent vehicle key control system according to claim 6, is characterized in that, described intelligent vehicle key control system also comprises server end, and described vehicle-mounted identification authenticate device and mobile terminal indirectly carry out information interaction by described server end, wherein:
Vehicle-mounted identification authenticate device, for to described server end, sending information, and receive the information that described mobile terminal is sent to described server end;
Mobile terminal, for to described server end, sending information, and receive the information that described vehicle-mounted identification authenticate device is sent to described server end;
Server end, the information the storage that for receiving described vehicle-mounted identification authenticate device and mobile terminal, send.
8. an intelligent vehicle key control method, is characterized in that, comprises step:
After vehicle-mounted identification authenticate device obtains facial image, according to the described facial image of identification parameter identification authentication prestored;
If described vehicle-mounted identification authenticate device authentification failure, send described facial image to mobile terminal;
Described mobile terminal receives and shows described facial image, and sends feedback information according to car owner's instruction to described vehicle-mounted identification authenticate device;
Described vehicle-mounted identification authenticate device draws authentication result according to described feedback information.
9. intelligent vehicle key control method according to claim 8, is characterized in that, described vehicle-mounted identification authenticate device also comprises when according to described feedback information, drawing the step of authentication result:
Described vehicle-mounted identification authenticate device upgrades described identification parameter according to described feedback information.
10. intelligent vehicle key control method according to claim 8 or claim 9, is characterized in that, before the step of described vehicle-mounted identification authenticate device according to the described facial image of identification parameter identification authentication prestored, also comprises:
Vehicle-mounted identification authenticate device capture video image;
Whether the moving region that described vehicle-mounted identification authenticate device detects in described video image surpasses predetermined threshold value and lasting Preset Time, and attempt to obtain facial image from described video image;
If the moving region in described video image surpasses predetermined threshold value and lasting Preset Time, and described vehicle-mounted identification authenticate device successfully do not get described facial image, to described mobile terminal, sends described video image and gives the alarm.
11. intelligent vehicle key control method according to claim 8 or claim 9, is characterized in that, described mobile terminal stops carrying out information interaction with described vehicle-mounted identification authenticate device after receiving the lock instruction of external device transmission.
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