CN103921759B - Intelligent anti-theft vehicle starting method and system - Google Patents

Intelligent anti-theft vehicle starting method and system Download PDF

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Publication number
CN103921759B
CN103921759B CN201410157777.9A CN201410157777A CN103921759B CN 103921759 B CN103921759 B CN 103921759B CN 201410157777 A CN201410157777 A CN 201410157777A CN 103921759 B CN103921759 B CN 103921759B
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China
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mobile terminal
server
instruction
vehicle
circuit
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CN201410157777.9A
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CN103921759A (en
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张少林
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SHENZHEN WAVE KINGDOM Co.,Ltd.
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SHENZHEN WEIFU SECURITY Co Ltd
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Abstract

The invention discloses an intelligent anti-theft vehicle starting method and system. The method comprises the steps that a mobile terminal collects a facial image, feature extraction is performed on the facial image to form facial feature data, and the facial feature data are sent to a server; the server receives the facial feature data and compares the facial feature data with a feature template, and the server sends a pass command if the comparison result shows that the facial feature data and the feature template are consistent; the mobile terminal receives the pass command, then generates a dynamic encryption command and sends the dynamic encryption command to a control circuit board in a vehicle; the control circuit board performs handshake check on the dynamic encryption command, and the control circuit board controls an ignition circuit and a door opening circuit of the vehicle to be connected if the dynamic encryption command passes the check. According to the intelligent anti-theft vehicle starting method and system, the facial recognition technology is achieved through the mobile terminal and the server; as control over door opening and control over ignition control of the vehicle are organically combined, a low-cost intelligent unlocking function is achieved; because the intelligent anti-theft vehicle starting system cannot be broken through direct damage and removal, or signal shielding or other means, other people cannot start the vehicle through a vehicle key even if the vehicle key is stolen or lost, and the anti-theft security level of the vehicle is improved.

Description

A kind of antitheft startup method and system of Vehicular intelligent
Technical field
The present invention relates to mechanics of communication and safety-security area, the antitheft startup method and system of more particularly, to a kind of Vehicular intelligent.
Background technology
The traditional starter of automobile predominantly organic tool keyed ignition and button Starting mode.Wherein mechanical key igniting is opened Flowing mode starts automobile by inserting a key into key in the hole.And push button Starting mode be then turned on the power by key after, As long as starting under flicking or stop key can achieve the startup of automobile or stops working.Above-mentioned both Starting mode, once vapour Car key is illegally obtained by other people, then automobile all may be usurped by other people it is impossible to meet the requirement of automobile burglar.
Therefore, prior art has yet to be improved and developed.
Content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of Vehicular intelligent antitheft startup method and System is it is intended to solve the problems, such as that current automobile starting mode relies on that key leads to easily stolen.
Technical scheme is as follows:
A kind of antitheft startup method of Vehicular intelligent, wherein, the method comprising the steps of:
A, mobile terminal collection face image data, carry out feature extraction and form face characteristic number to this face image data According to, and send to server;
B, described server receive described face characteristic data, and it is compared with the feature templates pre-setting, If comparing consistent, sending to mobile terminal and being identified by instruction;
C, mobile terminal receive the connection circuit instruction generating dynamic encryption after this is identified by instruction, by this connection circuit Instruction sends and is used for controlling vehicle ignition circuit and the control board of enabling circuit to vehicle;
D, described control board are connected circuit instruction and are carried out verification of shaking hands to this dynamic encryption, if verification is passed through, control Vehicle ignition circuit processed is connected with enabling circuit, and vehicle opens lock starting ignition.
Described Vehicular intelligent antitheft startup method, wherein, also includes before described step a:
Arrange and preserve the file of the feature templates comparing for face characteristic, the literary composition of described feature templates in the server Part size is 48-200 byte.
Described Vehicular intelligent antitheft startup method, wherein, the human face data typing instruction of receive user, mobile terminal obtains Take face view data first, and send the data to server, view data is formed first according to this face by server Feature templates simultaneously preserve.
Described Vehicular intelligent antitheft startup method, wherein, described mobile terminal passes through short distance communication by described connection Circuit instruction sends to described control board, and described short distance communication includes nfc near-field communication, bluetooth communication or infrared signal Communication.
Described Vehicular intelligent antitheft startup method, wherein, when described control board connects circuit to this dynamic encryption When instruction verification is not passed through, then send alarm.
Described Vehicular intelligent antitheft startup method, wherein, when described face characteristic data and described feature templates compare When inconsistent, then server sends authentication failed information to described mobile terminal, and points out user to carry out human face data again Collection and checking.
Described Vehicular intelligent antitheft startup method, wherein, when authentication failed number of times exceedes preset value, server sends To mobile terminal, mobile terminal communicates lock instruction according to the instruction of this lock and described control board, by described control board Vehicle ignition circuit and enabling circuit is controlled to be in the locking state of disconnection.
Described Vehicular intelligent antitheft startup method, wherein, described control board passes through Control vehicle ignition Circuit and enabling circuit, wherein, described relay is jqc-3ff type relay.
Described Vehicular intelligent antitheft startup method, wherein, described mobile terminal gathers facial image number by photographic head According to.
A kind of system with Vehicular intelligent as above antitheft startup method, wherein, described system includes:
Mobile terminal, for gathering face image data, carries out feature extraction and forms face spy to this face image data Levy data, and send to server;Or for the reception server send be identified by instruction after generate the connecing of dynamic encryption Circuit passband instructs, and the instruction of this connection circuit is sent to control board;
Server, for receiving the face characteristic data of mobile terminal transmission, and by itself and the feature templates pre-setting Compare, sent to mobile terminal according to comparison result and identify whether by instruction;
Control board, for carrying out, according to the instruction that described mobile terminal sends, verification of shaking hands, if verification is passed through, controls Vehicle ignition circuit processed is connected with enabling circuit, and vehicle opens lock starting ignition.
Beneficial effect: the present invention provides a kind of Vehicular intelligent antitheft startup method and system, it utilizes mobile terminal and cloud End server realizes face recognition technology, and by its with the control of opening door of vehicle and igniting is organically combined it is achieved that inexpensive Intelligent unlocking function, this system this by signature verification end with open the door and the setting separated of control end of firing circuit makes it Cannot be cracked by the direct means such as dismounting and signal shielding of destroying, even if car key is stolen or loses, others also cannot pass through Car key starts vehicle, improves the anti-theft security grade of vehicle.
Brief description
Fig. 1 is the Vehicular intelligent antitheft startup method flow diagram in the specific embodiment of the invention.
Fig. 2 is the pie graph of the antitheft activation system of Vehicular intelligent in the specific embodiment of the invention.
Fig. 3 is the theory diagram of the mobile terminal of the antitheft activation system of Vehicular intelligent in the specific embodiment of the invention.
Fig. 4 is the theory diagram of the control board of the antitheft activation system of Vehicular intelligent in the specific embodiment of the invention.
Fig. 5 is the Vehicular intelligent antitheft activation system principle of compositionality figure in the specific embodiment of the invention.
Specific embodiment
The present invention provide a kind of Vehicular intelligent antitheft startup method and system, for make the purpose of the present invention, technical scheme and Effect is clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that specific embodiment described herein Only in order to explain the present invention, it is not intended to limit the present invention.
As shown in Fig. 2 being the basic composition of the antitheft activation system of Vehicular intelligent of the present invention, it utilizes mobile terminal 1 00 Recognition of face checking is realized in communication between server 200, and utilizes the communication between mobile terminal and automobile 301 real afterwards again The igniting of existing vehicle and unblock of opening the door.Its realize concrete grammar as described in Figure 1,
A kind of Vehicular intelligent antitheft startup method that the present invention provides, wherein, the method comprising the steps of:
S100, mobile terminal collection face image data, carry out feature extraction and form face spy to this face image data Levy data, and send to server.
Wherein, described mobile terminal gathers face image data by photographic head.Can arrange special in described mobile terminal Application program app, after starting this app, starts the photographic head of mobile terminal, typically starts front-facing camera, and mobile whole Show image content on the screen of end so that user input face image data can complete and accurate, photographic head acquisition face After video flowing, extract related face characteristic, and collect this feature data server is sent to by communication interface.
S200, described server receive described face characteristic data, and it is compared with the feature templates pre-setting Right, if comparing consistent, sending to mobile terminal and being identified by instruction.
Also included before described step s100: arrange and preserve the character modules comparing for face characteristic in the server The file of plate, the file size of described feature templates is 48-200 byte.Feature templates data base, data base is set up in server The middle feature templates file preserving multiple users.
In addition, mobile terminal can receive user human face data typing instruction, obtain face view data first, and should To server, by server, according to this face, view data forms feature templates and preserves data is activation first.I.e. user passes through Mobile terminal is simultaneously registered using facial image, and the related facial image data is activation of the user after registration is formed to server Feature templates file simultaneously saves, when the recognition of face that user enables the present invention again starts vehicle functions it is necessary to enter Row recognition of face is verified.Communication interface with mobile terminal communication is provided with described server, is capable of the transmission of data Transmission with instruction.
When described face characteristic data compares inconsistent with described feature templates, then server is sent out to described mobile terminal Send authentication failed information, and point out user to carry out collection and the checking of human face data again.When authentication failed number of times exceed default During value, server sends lock instruction to mobile terminal, and mobile terminal communicates according to the instruction of this lock and described control board, by Described control board controls vehicle ignition circuit and enabling circuit to be in the locking state of disconnection.Such as face verification default Value is set to 3 times, if all not passing through the comparing then it is assumed that currently holding the user that mobile terminal verified and being of server for 3 times Disabled user, then server can send lock instruction to mobile terminal, and periodically can repeatedly send this lock instruction, prevent The situation not receiving lock instruction that stop signal is bad or disabled user's turning-off mobile terminal causes occurs.Mobile terminal receives The finger being communicated with vehicle control board, transmitting the locking vehicle that mobile terminal sends that is can giving tacit consent to after lock instruction Order, after control board receives this lock instruction, the off-state of network type electron circuit and enabling circuit.Certainly, for avoid by In collection environment such as light etc. the face image data of collection is produced with impact, and the checking after affecting, in facial image The acquisition phase of data, mobile terminal judges to ambient light and acquisition state simultaneously, for example, judge to work as by photographic head Whether front ambient light meets acquisition condition, if being unsatisfactory for, can open flash lamp and being illuminated;Sentenced by electrical distance sensor Whether the face location of disconnected user is suitable, that is, preset the appropriate distance section that face is located at mobile terminal, if hypotelorism Or too far, then corresponding information is shown on screen, point out user to adjust the distance between face and photographic head;Passed by weight Sensor detects whether the acquisition state of mobile terminal is stable, and that is, whether mobile terminal shakes excessively severity, prevents due to gathering shape The error of the unstable gathered data leading to of state.
In specific implementation process, with feature templates compare be by each face characteristic data of institute user respectively with corresponding Template in corresponding information be compared, whether detection qualified rates of fitting reaches requirement, then the ratio of each face characteristic data comprehensive To result, draw a similarity, if similarity is higher than default similarity threshold, server produces by instruction.
S300, mobile terminal receive the connection circuit instruction generating dynamic encryption after this is identified by instruction, and this is connected Circuit instruction sends and is used for controlling vehicle ignition circuit and the control board of enabling circuit to vehicle.
Wherein, described mobile terminal passes through short distance communication by described connection circuit instruction transmission to described control circuit Plate, described short distance communication includes nfc near-field communication, bluetooth communication or infrared signal communication.Made using Near Field Communication technology Mobile terminal realizes the function of automobile key, can only be in mobile terminal and corresponding vehicle can in the range of near-field communication The present invention program can be executed.
When described control board is not passed through to the connection circuit instruction verification of this dynamic encryption, then send alarm.
S400, described control board are connected circuit instruction and are carried out verification of shaking hands to this dynamic encryption, if verification is passed through, Control vehicle ignition circuit is connected with enabling circuit, and vehicle opens lock starting ignition.
As shown in figure 3, mobile terminal include processor 110 and be connected with described processor 110 for obtaining face figure The photographic head 120 of picture, the long-distance radio communication module 130 for communicating to connect with cloud server, the first short-distance wireless Communication module 140;As shown in figure 4, be provided with control board 300 being sequentially connected with described first short-distance wireless communication Module 140 carries out the second short-range wireless communication module 310 of near-field communication, single-chip microcomputer 320 and is used for open or closed vehicle The relay 330 of ignition circuit and enabling circuit.
Described mobile terminal can be for arbitrarily carrying setting of long-distance radio communication function and short-range wireless communication module Standby, such as mobile phone, panel computer etc., the long-distance radio communication module of mobile terminal is arrived by mobile communication signal transmitting and receiving information The communication interface of cloud server.
In preferred embodiment, described processor 120 is the processor of more than dominant frequency 1ghz.So ensure that processor can be suitable Freely complete man face image acquiring process.Wherein mobile terminal can be arbitrarily a band short-range wireless communication module and photographic head Smart mobile phone or panel computer it is preferred that mobile terminal adopt prestige enrichment group produce prestige richness a p508 mobile phone.Processor Produce dynamic encryption instruction, it is used for controlling the off and on to ignition circuit and enabling circuit for the control board.
Photographic head 110 collection face on the mobile terminal of the present invention provides video flowing to transfer to processor 120 to process, and processes Device 120 completes information after feature extraction will be extracted and is sent to cloud server, cloud server by long-range communications module 130 Carry out recognition of face, if recognition of face is passed through, cloud server transmission is verified information and (specifically can pass through to mobile terminal The short message mode of specific format is realized), then the processor of mobile terminal produces the instruction of the connection circuit of a dynamic encryption, leads to Cross the first short-range wireless communication module to send out, the second short-range wireless communication module of described control board receives After instruction, the single-chip microcomputer passing to control board is shaken hands and is checked, and verification is continued by rear connection again by control signal Electrical equipment.Vehicle ignition circuit and enabling circuit are connected by relay, so that the normal door opening of user and starting up the car.
In preferred embodiment, described second short-range wireless communication module and single-chip microcomputer can adopt Texas Instruments Cc2540 bluetooth soc chip, the cc2540 bluetooth soc chip of Texas Instruments belongs to low-power consumption rf ic, it has remarkably Long-distance link gain (up to+97 db) and the good compossibility with other 2.4 ghz devices, in addition it also has Good interoperability/compatibility, and this chip meet the monotype (cc2540) of 4.0 editions standards of Bluetooth specification with double Mode device (bluelink 7.0 bluetooths/fm one chip solution, wilink 7.0 wlan/gps/ bluetooth/fm single Piece solution and wilink 6.0 wlan/ bluetooth/fm one chip solution), can achieve comprehensive link test with Exploitation.
In preferred embodiment, described relay adopts jqc-3ff relay.The p0_0 of described cc2540 bluetooth soc chip, P0_1 pin by audion 3dk4b be connected to described jqc-3ff relay control signal control vehicle ignition circuit and Enabling circuit.
Specifically, the second short-range wireless communication module in described control board receive mobile terminal pass through first The dynamic encryption that short-range wireless communication module sends turn on the instruction of gate circuit and firing circuit after, be handed over to monolithic Machine, is set to high level p0_0, p0_1 pin after single-chip microcomputer deciphering and confirmation, then the ignition power on automobile connected by relay Road and enabling circuit.
Pass through the first short distance when the second short-range wireless communication module in described control board receives mobile terminal After the disconnection enabling circuit of the dynamic encryption that wireless communication module sends and the instruction of firing circuit, by described single-chip microcomputer handle P0_0, p0_1 pin is set to low level, so that relay disconnects firing circuit and enabling circuit on automobile.
In addition, the anti-theft device for vehicle of the present invention is when being installed on automobile, need first to disconnect the igniting on automobile Circuit and enabling circuit, then access the relay of described control board.
As shown in figure 5, using the substantially process that the system realizes vehicle launch unlocking being: user needs opening car door point When fiery, video flowing is provided to transfer to it using photographic head (specially using front-facing camera) the collection face in mobile terminal 1 00 Processor is processed, and processor completes information after feature extraction will be extracted and is sent to server 200 by long-range communications module, clothes After the communication interface of business device receives this signal, this information of server by utilizing completes recognition of face, and server end is according to recognition result Send signal of communication, after the long-distance radio communication module of mobile terminal receives this signal of communication, processor pair to mobile terminal Signal of communication is changed, and produces corresponding near-field-communication signal according to this signal of communication afterwards, and near-field-communication signal passes through the One short-range wireless communication module sends to the second short-range wireless communication module 310, when this near-field-communication signal be unblock and During ignition signal, the single-chip microcomputer of described control board 300 is shaken hands to this unblock and ignition signal and is checked, and verification is passed through Afterwards relay 330 is connected again by control signal.Vehicle ignition circuit 410 and enabling circuit 420 are connected by relay 330, tool As shown in figure 1, the optocoupler 411 that the ignition signal of relay is transferred to ignition circuit turns it on, produce control signal makes three to body Pole pipe 412 turns on, so that ignition coil 413 starts work, the final control signal that produces, to gasoline engine ignition distributor 500, is carried out Igniting, engine start.
On the other hand, another controlling brancher of relay connects opening door of vehicle point road, and relay signal is transferred to vehicle and opens (it is commonly used for bft chip) in the chip 421 of gate circuit, sends control signal starter motor 422 after treatment, motor 422 controls Compression pump 423 works, and then opens pressure switch 425 so that car door is unlocked, so that the normal door opening of user.
The present invention also provides a kind of system with Vehicular intelligent as above antitheft startup method, wherein, described system System includes:
Mobile terminal, for gathering face image data, carries out feature extraction and forms face spy to this face image data Levy data, and send to server;Or for the reception server send be identified by instruction after generate the connecing of dynamic encryption Circuit passband instructs, and the instruction of this connection circuit is sent to control board, specifically as described in step s100 and s300.
Server, for receiving the face characteristic data of mobile terminal transmission, and by itself and the feature templates pre-setting Compare, sent to mobile terminal according to comparison result and identify whether by instruction, specifically as described in step s200.
Control board, for carrying out, according to the instruction that described mobile terminal sends, verification of shaking hands, if verification is passed through, controls Vehicle ignition circuit processed is connected with enabling circuit, and vehicle opens lock starting ignition, specifically as described in step s400.
The present invention provides a kind of Vehicular intelligent antitheft startup method and system, and it utilizes mobile terminal and cloud server real Existing face recognition technology, and by its with combination is controlled it is achieved that the intelligent unlocking of low cost to opening door of vehicle and igniting Function, it is straight that the setting that this control end by signature verification end and enabling and firing circuit of this system is separated makes it cannot pass through The means such as destruction dismounting and signal shielding that connect crack, even if car key is stolen or loses, others also cannot be started by car key Vehicle, improves the anti-theft security grade of vehicle.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention Shield scope.

Claims (10)

1. a kind of antitheft startup method of Vehicular intelligent is it is characterised in that the method comprising the steps of:
A, mobile terminal collection face image data, judge to ambient light and acquisition state, to this facial image simultaneously Data carries out feature extraction and forms face characteristic data, and sends to server;
B, described server receive described face characteristic data, and it is compared with the feature templates pre-setting, if ratio To consistent, then send to mobile terminal and be identified by instruction;
C, mobile terminal receive the connection circuit instruction generating dynamic encryption after this is identified by instruction, and this connection circuit is instructed Send to vehicle for controlling vehicle ignition circuit and the control board of enabling circuit;
D, described control board carry out, to the connection circuit instruction of this dynamic encryption, verification of shaking hands, if verification is passed through, control Vehicle ignition circuit is connected with enabling circuit, and vehicle opens lock starting ignition.
2. the antitheft startup method of Vehicular intelligent according to claim 1 is it is characterised in that also include before described step a:
Arrange and preserve the file of the feature templates comparing for face characteristic in the server, the file of described feature templates is big Little for 48-200 byte.
3. the antitheft startup method of Vehicular intelligent according to claim 2 is it is characterised in that the people of mobile terminal receive user Face data inputting instructs, and obtains face view data first, and sends the data to server, by server according to this face View data forms feature templates and preserves first.
4. the antitheft startup method of Vehicular intelligent according to claim 1 is it is characterised in that described mobile terminal passes through short distance From communication, described connection circuit instruction is sent to described control board, described short distance communication includes nfc near-field communication, blue Tooth communication or infrared signal communication.
5. the antitheft startup method of Vehicular intelligent according to claim 1 is it is characterised in that when described control board is to this When the connection circuit instruction verification of dynamic encryption is not passed through, then send alarm.
6. the antitheft startup method of Vehicular intelligent according to claim 1 it is characterised in that when described face characteristic data with When described feature templates compare inconsistent, then server sends authentication failed information to described mobile terminal, and points out user again The secondary collection carrying out human face data and checking.
7. the antitheft startup method of Vehicular intelligent according to claim 6 it is characterised in that when authentication failed number of times exceed pre- If during value, server sends lock instruction to mobile terminal, and mobile terminal is led to described control board according to this lock instruction News, control vehicle ignition circuit and enabling circuit to be in the locking state of disconnection by described control board.
8. the antitheft startup method of Vehicular intelligent according to claim 1 is it is characterised in that described control board is passed through to continue Electrical equipment control vehicle ignition circuit and enabling circuit, wherein, described relay is jqc-3ff type relay.
9. the antitheft startup method of Vehicular intelligent according to claim 1 is it is characterised in that described mobile terminal passes through shooting Head collection face image data.
10. the system of a kind of antitheft startup method of the Vehicular intelligent having as described in any one of claim 1-9, its feature exists In described system includes:
Mobile terminal, for gathering face image data, judges to ambient light and acquisition state, to this facial image number Form face characteristic data according to carrying out feature extraction, and send to server;Or the identification sending for the reception server is led to Generate the connection circuit instruction of dynamic encryption after crossing instruction, the instruction of this connection circuit is sent to control board;
Server, for receiving the face characteristic data of mobile terminal transmission, and it is carried out with the feature templates pre-setting Compare, sent to mobile terminal according to comparison result and identify whether by instruction;
Control board, the connection circuit instruction of the dynamic encryption for being sent according to described mobile terminal carries out verification of shaking hands, If verification is passed through, control vehicle ignition circuit is connected with enabling circuit, and vehicle opens lock starting ignition.
CN201410157777.9A 2014-04-18 2014-04-18 Intelligent anti-theft vehicle starting method and system Active CN103921759B (en)

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