CN105930781A - Driver authorization controller and authorization control method using controller - Google Patents
Driver authorization controller and authorization control method using controller Download PDFInfo
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- CN105930781A CN105930781A CN201610232657.XA CN201610232657A CN105930781A CN 105930781 A CN105930781 A CN 105930781A CN 201610232657 A CN201610232657 A CN 201610232657A CN 105930781 A CN105930781 A CN 105930781A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
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Abstract
The invention discloses a driver authorization controller and an authorization control method using the controller, and belongs to the automobile field. The driver authorization controller comprises a CPU, and a wide dynamic camera, a vehicle-mounted central control system, a brightness sensitive module, a visible light supplementary module and a storage unit connected with the CPU. The wide dynamic camera obtains a face image; the wide dynamic camera is highly adaptive to light, so that the image is optimized for strong and weak light, and the authentication accuracy is improved; and visible light is used to provide brightness for image data collection, and the problem that infrared rays damage the human body in the prior art is solved. Compared with the prior art, the controller and control method of the invention are characterized by being accurate in authentication and harmless to the human.
Description
Technical field
The present invention relates to automotive field, particularly relate to a kind of driver's authorization control device and use this dress
Put the authentication control method carried out.
Background technology
Automobile pollution is huge at present, and the antitheft Verification System of automobile has had become as the basis of automobile and joined
Put.At present, automobile is authenticated by antitheft authentication mode many employings remote-control key of automobile, which
Can easily be duplicated and crack, acoustic control lock the most of the prior art or Fingerprint Lock have existed and have been relatively easy to
Imitated method, makes the many hidden danger of use security presence of automobile, and existing anti-theft technique majority can only
Certification was made, for driving effectively to control without authorized person after starting before automobile starting.
Along with the development of science and technology, before face recognition technology has had become as in automobile burglar certification
Along technology.Face recognition technology is a kind of active, non-offensive identity identification method.Vehicle-mounted people
Face identification is different from other environment human face identifying schemes, is affected by driving environment, light condition in car
Complexity, and, product of the prior art uses infrared light filling technology to make up light difference, infrared light
Although human eye is invisible, but the retina of human body can be produced pressure, be easily caused retinal burn,
Additionally infrared light is strong by solar spectrum interference, affects recognition of face certification effect.Further, prior art
In vehicle-mounted face identification device processor performance poor, photographic head pixel is low, non-width dynamic photographic head light
Line adapts to ability, and certification is inaccurate.
Summary of the invention
The technical problem to be solved in the present invention is to provide the driver that a kind of certification is accurate, harmless
The authentication control method that authorization control device and this device of employing are carried out.
For solving above-mentioned technical problem, the present invention provides technical scheme as follows:
A kind of driver's authorization control device, moves including CPU and the width being connected with described CPU respectively
State photographic head, vehicle-mounted central control system, brightness impression optical module, visible ray supplementary lighting module and memory element；
Ambient light strength information in described brightness impression optical module collecting vehicle, and light intensity information is sent out
Give described CPU；When described CPU judges environment inside car brightness value less than the first setting threshold value,
Described CPU opens described visible ray supplementary lighting module, when described CPU judges that environment inside car brightness value is high
When second sets threshold value, described CPU controls wide dynamically photographic head regulation image acquisition configuration parameter；
Described width dynamic camera collection view data, and view data is sent to described CPU；Described
The CPU view data to collecting carries out recognition of face, during if mandate driver, and described CPU
Control described vehicle-mounted central control system and give driver control authority, during if unauthorized driver, institute
State CPU and control the startup restriction of described vehicle-mounted central control system.
The method carrying out driver's authorization control according to above-mentioned driver's authorization control device, including:
Step 101: brightness impression optical module gathers ambient light strength information, and by light intensity information
It is sent to described CPU；
Step 102: step 102:CPU judges whether environment inside car brightness value sets threshold between first
Value and second sets between threshold value, if it is not, then perform step 103, otherwise, then performs step 104；
Step 103: when brightness value is less than the first setting threshold value, CPU starts visible ray supplementary lighting module
Carrying out light filling, when brightness value is higher than the second setting threshold value, CPU controls wide dynamically photographic head regulation figure
As acquisition configuration parameter；
Step 104: wide dynamic photographic head obtains view data, and view data is sent to CPU；
Step 105:CPU judges whether described image is facial image, if it is, perform step 106,
Otherwise return step 104；
Step 106:CPU extracts the eigenvalue of facial image；
Step 107:CPU, by the eigenvalue extracted and the authorization characteristic value comparison having, obtains
Similarity；
Step 108: if similarity is more than threshold value set in advance, then CPU control described vehicle-mounted in
Ore-controlling Role gives driver control authority, and otherwise, CPU controls described vehicle-mounted central control system and starts restriction
Measure.
Embodiments of the invention have the advantages that
In the present invention, dynamic for width photographic head is applied to vehicle carried driving person and authorizes this specific occasion,
Owing to general video camera is limited by imageing sensor photobehavior, often there is the back of the body in the image of picked-up
Scape crosses bright or that prospect is the darkest situation.For this situation, the present embodiment uses wide dynamically photographic head
Can be good at solving this problem, wide dynamic photographic head can adjust light luminance automatically, it is adaptable to
The occasion that bright and dark light contrast is excessive, and then realize the optimization of view data, though background cross bright or
In the case of prospect is too dark, CPU also is able to obtain stable, view data clearly；Work as environment inside car
Light more weak, it is impossible to when meeting wide dynamically photographic head demand, the present invention uses visible ray supplementary lighting module
Carry out light filling, make CPU obtain and stablize image.The present invention uses and obtains face by the dynamic camera lens of width
Image, owing to the dynamic camera lens of width is strong to light adaptation ability, it is possible to strong and weak light is carried out image optimization,
Improve the accuracy of certification, and, the present invention use visible ray provide bright for image data acquiring
Degree, overcomes the problem using infrared light that human body is produced injury in prior art.So, the present invention
In all the period of time view data can be acquired and accurately identify whether human pilot is authorized person.
The CPU of the present invention and vehicle-mounted middle control linkage, when the correct then CPU of driver identity gives authorization signal,
Mistake then CPU deprives partial control limit.The present invention uses visible ray face recognition technology, actively
And non-intruding, anti-sunlight interference, stably realize driver's empowerment management.Compared with prior art, originally
It is accurate that invention has certification, harmless feature.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of driver's authorization control device of the present invention；
Fig. 2 is a kind of enforcement that driver's authorization control device of the present invention is arranged on automobile instrument panel
The structural representation of example；
Fig. 3 is a kind of structural representation improving embodiment of driver's authorization control device of the present invention
Figure；
Fig. 4 is the schematic flow sheet of a kind of embodiment of driver's authentication control method of the present invention；
Fig. 5 is a kind of flow process signal improving embodiment of driver's authentication control method of the present invention
Figure.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below will knot
Conjunction drawings and the specific embodiments are described in detail.
On the one hand, the embodiment of the present invention provides a kind of driver's authorization control device, as it is shown in figure 1,
The wide dynamic photographic head 2 that including CPU1 and is connected with CPU respectively, vehicle-mounted central control system 3, brightness
Illuminant module 4, visible ray supplementary lighting module 5 and memory element 6；
Ambient light strength information in brightness impression optical module 4 collecting vehicle, and light intensity information is sent
To CPU1；When CPU1 judges environment inside car brightness value less than the first setting threshold value, CPU1 opens
Open visible ray supplementary lighting module 5, when CPU1 judges environment inside car brightness value higher than the second setting threshold value,
CPU1 controls wide dynamic photographic head 2 and regulates image acquisition configuration parameter；Wide dynamic photographic head 2 gathers
View data, and view data is sent to CPU1；The CPU1 view data to collecting is carried out
Recognition of face, if when authorizing driver, CPU1 controls vehicle-mounted central control system 3 and gives driver
Control authority, during if unauthorized driver, CPU1 controls vehicle-mounted central control system 3 and starts restriction
Measure.
In the present embodiment, wide dynamic photographic head 2 is applied to vehicle carried driving person and authorizes this specific field
Closing, owing to general video camera is limited by imageing sensor photobehavior, the image of picked-up often goes out
Existing background crosses bright or that prospect is the darkest situation.For this situation, the present embodiment use width dynamically take the photograph
As 2 can be good at solving this problem, wide dynamic photographic head 2 can adjust light luminance automatically,
It is applicable to the occasion that bright and dark light contrast is excessive, and then realizes the optimization of view data, even if in background
Cross bright or prospect cross dark in the case of, CPU1 also is able to obtain stable, view data clearly；When
The light of environment inside car is more weak, it is impossible to when meeting wide dynamic photographic head 2 demand, and the present embodiment uses can
See that light supplementary lighting module 5 carries out light filling, make CPU1 obtain and stablize image.The present embodiment uses by width
Dynamically camera lens obtains facial image, owing to the dynamic camera lens of width is strong to light adaptation ability, it is possible to power
Light carries out image optimization, improves the accuracy of certification, and, the present embodiment uses visible ray
There is provided brightness for image data acquiring, overcome and prior art uses infrared light human body is produced injury
Problem.So, view data can be acquired and accurately identify driving in all the period of time by the present embodiment
Sail whether personnel are authorized persons.The CPU1 of the present embodiment and vehicle-mounted middle control linkage, when driver's body
Part correct the most then CPU1 give authorization signal, and mistake then CPU1 deprives partial control limit.This enforcement
Example uses visible ray face recognition technology, active and non-intruding, anti-sunlight interference, stably realizes driving
Member's empowerment management.Compared with prior art, it is accurate that the present embodiment has certification, harmless spy
Point.
Existing vehicle-mounted face recognition technology there is also unvanquishable difficulty on an existing algorithm,
Being exactly the uneven negative and positive face phenomenon caused of light, current existing identification class algorithm is all to pass through two-value
Change image is submitted to algorithm and is processed, and the near-infrared light filling scheme in currently available technology is generally to make
Mode, the wide dynamically visible light lens collocation visible ray light filling used in the present embodiment is solving
The other problems introduced when using near-infrared light filling is also overcomed while image light inequality.
And using the benefit of visible ray light filling to also reside in, existing near infrared product is fixed owing to needs use
The near infrared light of long-wave band, mates the near infrared prevention mirror of same wavelength simultaneously, it is impossible to realize wide dynamic,
The image demonstrated is monochromatic general red gray level image, it is impossible to distinguish that current environment (is judged by light
Time residing for image, picture also has certain distortion).If using visible ray light filling, can shoot
Colour picture, it is possible to tell driver's local environment.
As a kind of improvement of the present embodiment, brightness impression optical module 4 is numeric type light intensity sensor.
In prior art, visible ray brightness data is being gathered, using the analog elements such as photoconductive resistance, this kind of
Element is affected by environment greatly, accuracy is low, reaction is slow, and needs external, affects attractive in appearance, does not conforms to
Adapt to for vehicle-mounted working environment.In order to overcome the problems referred to above, the present embodiment uses numeric type light intensity
Degree sensor obtain environment inside car brightness value, numeric type light intensity sensor have anti-jamming effectiveness good,
Testing result is accurate, digitized processing reaction is fast and the little advantage being easily integrated of volume.Preferably, originally
Using numeric type light intensity sensor in embodiment can be BH1750FVI.CPU1 can pass through IIC
Interface is connected with BH1750FVI digital light intensity sensor.In work, CPU1 can control
Visible ray intensity of illumination in car is detected by BH1750FVI in real time, is set by BH1750FVI
Being set to fast mode, every 120ms updates a secondary data, certainty of measurement 0.5lx.
It addition, the visible ray supplementary lighting module 5 in the present embodiment is least one set LED, CPU1 leads to
Cross PWM output and control LED.Owing to existing light filling product is simple control light compensating lamp
Light on and off, it is impossible to control lamp brightness.And the present invention is when applying, CPU1 can be according to the visible ray read back
Intensity of illumination carries out PWM output duty cycle, owing to LED light filling intensity is by the electric current of LED
Determining, CPU1 controls to be adjusted LED current by PWM, i.e. scalable light filling brightness,
Face area image is maintained to obtain quality.It is bright that the present embodiment can realize LED accurately
Degree regulation, it is possible to work under vehicle-mounted complex environment.LED in the present embodiment is preferably white
Color LED.
As further improvement of this embodiment, as in figure 2 it is shown, wide dynamic photographic head 2 is arranged on vapour
The centre position at the upper cover plate edge of car instrumental panel, when making wide dynamic photographic head 2 carry out image acquisition,
Just the face location of driver can be acquired.Meanwhile, in the present embodiment, in order to realize face
Uniformly light filling, it will be seen that the upper cover plate edge being arranged on automobile instrument panel of light supplementary lighting module 5 symmetry,
So it is not result in that the situation of negative and positive face occurs, during application, it is possible to use 4,6 or 8 are white
Color LED, can meet brightness demand.Preferably, use 6 White LEDs, both can meet
Brightness demand, will not excessively become clear again dazzling, affect normal driving.The present embodiment width is dynamically taken the photograph
Picture 2 and the Position Design of visible ray supplementary lighting module 5, it is ensured that light compensating apparatus does not interferes with normally to be driven
Sail, i.e. can complete face identification functions, meanwhile, also not interfere with existing mobile unit layout.
In above-described embodiment, as it is shown on figure 3, CPU1 be also associated with for face characteristic value update,
The USB flash disk (or other flash memory device) that firmware upgrade and/or corresponding drive software update, CPU1 is permissible
It is connected with USB flash disk by USB interface.CPU1 is also associated with for storing facial image eigenvalue
Memory element 6, this memory element 6 can be emmc memory element.Further, CPU1 passes through USB
Or MIPI communication interface is with wide dynamic photographic head 2 in succession.CPU1 by CAN with vehicle-mounted in
Ore-controlling Role 3 connects.
On the other hand, the embodiment of the present invention also provides for a kind of according to above-mentioned driver's authorization control device
The method carrying out driver's authorization control, as shown in Figure 4, including:
Step 101: brightness impression optical module gathers ambient light strength information, and by light intensity information
It is sent to described CPU；
In this step, brightness impression optical module is light intensity sensor, it is preferred that brightness impression optical module can
Thinking numeric type light intensity sensor, it is good that numeric type light intensity sensor has anti-jamming effectiveness, numeral
It is fast that change processes reaction, and result is accurate, the little advantage being easily integrated of volume.
Step 102:CPU judges whether environment inside car brightness value sets threshold value and second between first and set
Determine between threshold value, if it is not, then perform step 103, otherwise, then perform step 104；
Step 103: when brightness value is less than the first setting threshold value, CPU starts visible ray supplementary lighting module
Carrying out light filling, when brightness value is higher than the second setting threshold value, CPU controls wide dynamically photographic head regulation figure
As acquisition configuration parameter；
In this step, it is seen that light supplementary lighting module White LED light compensating lamp, CPU can pass through PWM
Modulation output controls LED light supplement lamp brightness.
Step 104: wide dynamic photographic head obtains view data, and view data is sent to CPU；
In this step, use wide dynamically photographic head that the face of driver is carried out video stream data collection,
CPU can carry out image interception to gathering the video flowing returned, and obtains facial image to be certified.Figure
Nictation can be intercepted as intercepting, open images such as shutting up, prevent photo from forging.Wherein, wide dynamic shooting
Head is capable of strong and weak light is carried out image optimization, it is adaptable to the occasion that light and shade contrast is excessive, for
CPU obtains stable face image data and provides guarantee.
Step 105:CPU judges whether described image is facial image, if it is, perform step 106,
Otherwise return step 104；
In this step, it is judged that whether image is that facial image can use and well known to a person skilled in the art
Common technology can realize the technique effect of this step.
Step 106:CPU extracts the eigenvalue of facial image；
In this step, the extraction process carrying out facial image eigenvalue can include image procossing, face
Detection and face characteristic extract.
Step 107:CPU, by the eigenvalue extracted and the authorization characteristic value comparison having, obtains
Similarity；
Step 108: if similarity is more than threshold value set in advance, then CPU controls vehicle-mounted middle control system
System gives driver control authority, and otherwise, CPU controls described vehicle-mounted central control system and starts restriction.
In this step, CPU links with vehicle-mounted central control system, and CPU can pass through CAN
Give vehicle-mounted central control system driver's legal authorization signal or give vehicle-mounted central control system start restriction arrange
Execute, central control system make deliberate action.
The present embodiment, compared with prior art, has certification accurate, harmless feature equally.
As a kind of improvement of the present embodiment, after step 108, including:
The driver being given control authority is divided into car owner and non-car owner, car by step 109:CPU
The driving authority of non-car owner can be configured by master by arranging password.
In the present embodiment, concrete, car owner is preferably one, and non-car owner can be multiple, Che Zhuke
With to the most authorized old man and/or drive new hand (non-car owner) speed authority is set, make old man and/
Or driving new hand is when driving a car, may not exceed predetermined speed, thus realize the protection to non-car owner.
As further improvement of this embodiment, step 103 includes:
Step 103 ': when brightness value is less than the first setting threshold value, CPU opens the instrument on instrumental panel
Lamp and visible ray supplementary lighting module carry out light filling jointly.
In the present embodiment, daytime or automobile are in the environment of sunlight and disclosure satisfy that wide dynamically photographic head
Brightness demand；Night or automobile are in without in the environment of sunlight, (automobile enters underground garage or tunnel
Deng in environment), environment inside car can rely on instrument panel lamp, and street lamp and/or the lamp of Facing Movement vehicle
Light etc. provide brightness.
In said method embodiment, as it is shown in figure 5, include before step 101；
Step 100:CPU judges whether the USB flash disk updated with firmware upgrade for face characteristic value exists
New data and/or new firmware, if it is, carry out data and/or firmware renewal.
In the present embodiment, firmware can be to update face recognition algorithms, repair procedure mistake etc., newly counts
According to the eigenvalue that can be facial image.
As a kind of improvement of the present embodiment, step 103 includes:
When the brightness value of light is in 0 20lx, then CPU control visible ray supplementary lighting module is mended
Light, wherein:
When the brightness value of light is in 20lx, it is 0.5 that CPU controls PWM output pulse duty factor,
After the brightness value of light is less than 20lx threshold value, the brightness value of light often declines 4lx, CPU control
PWM processed output pulse duty factor rises 0.1, and when the brightness value of light is 0lx, CPU controls
PWM output pulse duty factor is 1.0.The computing formula of the method is:
(brightness value of light is 0～20 to the brightness value of pwm output duty cycle=1-0.025 × light
lx)
When the brightness value of light can not consider light filling higher than 20lx.
Control vehicle-mounted central control system as CPU in further improvement of this embodiment, step 108 to give
Giving driver's control authority is further:
CPU controls vehicle-mounted central control system and allows engine start, driver opens control authority and permits
Permitted driver and changed automobile setting, as driver can adjust illuminator, adjust seat position, play
Like song etc..
In step 108, the startup restriction of CPU control vehicle-mounted central control system is further:
In the case of automobile is not activated, CPU controls vehicle-mounted central control system No starting electromotor,
And send alarm signal；In the case of automobile starting, CPU controls vehicle-mounted central control system and controls automobile
Speed limit travels, such as a series of restrictions such as speed limit travelings.
In above-described embodiment, if similarity is controlled less than threshold value set in advance, CPU in step 108
Make vehicle-mounted central control system and start restriction, including:
CPU judges the most whether obtain correct licencing key, if it is, CPU
Adding new authorized user, otherwise, CPU controls vehicle-mounted central control system and starts restriction.
In the present embodiment, when similarity is less than threshold value set in advance, driver is in limiting time
CPU can be made to add new authorized user by providing licencing key, make driver carry out identity registration,
If licencing key is correct, then CPU gives this driver's control authority and records the people of this driver
The eigenvalue of face image.Concrete, automotive interior can be provided with the numeral with licencing key button
Keyboard, driver can press licencing key button in limiting time, when making CPU start checking
Between, if within this time, driver inputs correct licencing key in numeric keypad, then can
Complete the registration of new user；
Newly award if driver can not make CPU add by modes such as licencing keys in limiting time
Power user, then CPU starts automobile and controls restriction, and can start alarm signal.
In the present embodiment, in addition to using licencing key as the verification mode of driver, it is also possible to adopt
The alternate manner being readily apparent that with those skilled in the art, such as Intelligent key etc., is all capable of this reality
Execute the technique effect of example.
As a kind of improvement of above-described embodiment, before step 100, it is also possible to including:
Step 1000:CPU obtains the licencing key that car owner is arranged by vehicle-mounted operation dish；
It is authorized user that step 1001:CPU adds the driver through licencing key checking, and remembers
Record authorization user information；
Step 1002: wide dynamic photographic head obtains face image data, and face image data is sent
To CPU；
Step 1003:CPU carries out identity registration to the driver that face image data is corresponding.
In the present embodiment, for not recording the spy of the facial image of driver inside new car or CPU
During value indicative, driver can register new user by modes such as licencing keys, and makes CPU record be somebody's turn to do
The eigenvalue of the facial image of driver.
Preferably, step 106 is further:
Step 1061: the facial image obtained is carried out image procossing, image is transformed to gray level image；
This step is face image processing process, owing to face is affected by external environmental light, and face figure
As presenting complex transformations, wide dynamic photographic head can suppress illumination to make image equal the impact of facial image
Weighing apparatus, is transformed to gray level image by image.
Step 1062: extract the face part of facial image；
This step is Face datection processing procedure, and this process can use neural network algorithm, relies on big
Data train the benchmark drawn, detect the face in image, and are cut with background image by facial image
Cut.In this step, it is also possible to use the people that well known to a person skilled in the art that other algorithm extracts image
Face part.
Step 1063: extract facial image eigenvalue.
This step is face characteristics extraction process, wherein it is possible to use neural network algorithm to extract people
Face image feature value, it is also possible to use other known technology also to be able to realize the technology effect of this step
Really.
As the further improvement of above-described embodiment, step 1061 is further:
To obtain facial image be smoothed, binary conversion treatment, image is transformed to gray-scale map
Picture.In the present embodiment, be smoothed facial image, binary conversion treatment can be removed and need not
Color information.
The present invention provides a kind of based on visible ray, driver can be carried out real time identity in all the period of time
Driver's certification apparatus and method of certification, solve the problems such as the antitheft mandate of certification.All the period of time can adopt
Collection video image also accurately identifies whether human pilot is authorized person, and join with vehicle-mounted central control system
Dynamic, vehicle-mounted central control system decide whether to give to authorize or lock vehicle and send alarm signal.
The above is the preferred embodiment of the present invention, it is noted that general for the art
For logical technical staff, on the premise of without departing from principle of the present invention, it is also possible to make some changing
Entering and retouch, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. driver's authorization control device, it is characterised in that include CPU and respectively with described
Wide dynamically photographic head, vehicle-mounted central control system, brightness impression optical module, the visible ray light filling mould that CPU connects
Block and memory element；
Ambient light strength information in described brightness impression optical module collecting vehicle, and light intensity information is sent out
Give described CPU；When described CPU judges environment inside car brightness value less than the first setting threshold value,
Described CPU opens described visible ray supplementary lighting module, when described CPU judges that environment inside car brightness value is high
When second sets threshold value, described CPU controls wide dynamically photographic head regulation image acquisition configuration parameter；
Described width dynamic camera collection view data, and view data is sent to described CPU；Described
The CPU view data to collecting carries out recognition of face, during if mandate driver, and described CPU
Control described vehicle-mounted central control system and give driver control authority, during if unauthorized driver, institute
State CPU and control the startup restriction of described vehicle-mounted central control system.
Driver's authorization control device the most according to claim 1, it is characterised in that described
Brightness impression optical module is numeric type light intensity sensor；Described visible ray supplementary lighting module is least one set
LED, described CPU controls described LED by pulse width modulation (PWM) output.
3., according to described driver's authorization control device arbitrary in claim 1-2, its feature exists
In, the dynamic photographic head of described width is arranged on the centre position at the upper cover plate edge of automobile instrument panel, described
The upper cover plate edge being arranged on automobile instrument panel that visible ray supplementary lighting module is symmetrical.
Driver's authorization control device the most according to claim 3, it is characterised in that described
CPU is also associated with updating and/or the USB flash disk of firmware upgrade for face characteristic value.
5. carry out driver according to described driver's authorization control device arbitrary in claim 1-4
The method of authorization control, it is characterised in that including:
Step 101: brightness impression optical module gathers ambient light strength information, and by light intensity information
It is sent to described CPU；
Step 102:CPU judges whether environment inside car brightness value sets threshold value and second between first and set
Determine between threshold value, if it is not, then perform step 103, otherwise, then perform step 104；
Step 103: when brightness value is less than the first setting threshold value, CPU starts visible ray supplementary lighting module
Carrying out light filling, when brightness value is higher than the second setting threshold value, CPU controls wide dynamically photographic head regulation figure
As acquisition configuration parameter；
Step 104: wide dynamic photographic head obtains view data, and view data is sent to CPU；
Step 105:CPU judges whether described image is facial image, if it is, perform step 106,
Otherwise return step 104；
Step 106:CPU extracts the eigenvalue of facial image；
Step 107:CPU, by the eigenvalue extracted and the authorization characteristic value comparison having, obtains
Similarity；
Step 108: if similarity is more than threshold value set in advance, then CPU control described vehicle-mounted in
Ore-controlling Role gives driver control authority, and otherwise, CPU controls described vehicle-mounted central control system and starts restriction
Measure.
The method of driver's authorization control the most according to claim 5, it is characterised in that institute
State step 103 to include:
Step 103 ': when brightness value is less than the first setting threshold value, CPU opens the instrument on instrumental panel
Lamp and visible ray supplementary lighting module carry out light filling jointly.
The method of driver's authorization control the most according to claim 5, it is characterised in that described
Include before step 101；
Step 100:CPU judges whether the USB flash disk updated with firmware upgrade for face characteristic value exists
New data and/or new firmware, if it is, carry out data and/or firmware renewal.
The method of driver's authorization control the most according to claim 5, it is characterised in that described
Step 103 includes:
When the brightness value of light is in 0 20lx, then CPU control visible ray supplementary lighting module is mended
Light, wherein:
When the brightness value of light is in 20lx, it is 0.5 that CPU controls PWM output pulse duty factor,
After the brightness value of light is less than 20lx threshold value, the brightness value of light often declines 4lx, CPU control
PWM processed output pulse duty factor rises 0.1, and when the brightness value of light is 0lx, CPU controls
PWM output pulse duty factor is 1.0.
The method of driver's authorization control the most according to claim 5, it is characterised in that described
In step 108, CPU controls described vehicle-mounted central control system and gives driver's control authority and be further:
CPU controls vehicle-mounted central control system and allows engine start, driver opens control authority and permits
Permitted driver and changed automobile setting；
In described step 108, the startup restriction of CPU control described vehicle-mounted central control system is further:
In the case of automobile is not activated, CPU controls vehicle-mounted central control system No starting electromotor,
And send alarm signal；In the case of automobile starting, CPU controls vehicle-mounted central control system and controls automobile
Speed limit travels.
The method of driver's authorization control the most according to claim 5, it is characterised in that described
If similarity is less than threshold value set in advance in step 108, CPU controls vehicle-mounted central control system and starts
Restriction, including:
CPU judges the most whether obtain correct licencing key, if it is, CPU
Adding new authorized user, otherwise, CPU controls vehicle-mounted central control system and starts restriction.
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