CN107472195A - A kind of car door automatic opening system and method based on facial image track identification - Google Patents
A kind of car door automatic opening system and method based on facial image track identification Download PDFInfo
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- CN107472195A CN107472195A CN201710657750.XA CN201710657750A CN107472195A CN 107472195 A CN107472195 A CN 107472195A CN 201710657750 A CN201710657750 A CN 201710657750A CN 107472195 A CN107472195 A CN 107472195A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
- B60R25/252—Fingerprint recognition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/25—Means to switch the anti-theft system on or off using biometry
- B60R25/257—Voice recognition
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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
Abstract
The invention discloses a kind of car door automatic opening system and method based on facial image track identification, it is characterised in that including acquisition module, memory module, processing module, comparison module and door control module.Its harvester is arranged on driver side car door, to gather the image of car door opener or sound, detect the characteristic vector in the facial image, matched with the multiple images or sound datum vector to be prestored in memory module, when matching result meets default car door opening authority, processing module is by controlling door control module car door to be automatically turned on, when matching result is unsatisfactory for opening authority, the image of car door opening person can be recorded, and prompting and warning message can be sent to the smart machine of car owner's binding after car door is illegally opened.The present invention provides the user the convenient manner of Intelligent door unlatching, while improves the tamper-security of vehicle.
Description
Technical field
The present invention relates to a kind of car door automatic opening system and method based on facial image track identification.
Background technology
The security and convenience of automobile are increasingly valued by people, the quality requirements of automobile also more and more higher.Mesh
Before, domestic automobile car door opening or closing are manual control, when both hands take object, are not easy to user and open Automobile
Door, arrangements for automotive doors automation and intelligence degree are relatively low.Meanwhile the antitheft Verification System of automobile has become the basis of automobile and matched somebody with somebody
Put.At present, the antitheft authentication mode of automobile is authenticated using remote-control key to automobile more, and which can easily be duplicated brokenly
Solution.
From the point of view of identity recognizing technology of the prior art, a variety of biological characteristics of human body（Such as fingerprint, palmmprint, sound
Line, iris etc.）It has been widely used in identification.With the development of science and technology, human body image identification technology into
For the cutting edge technology in automobile burglar certification.Human body image identification technology is a kind of active, and non-offensive identity differentiates
Mode.In recent years, human body image identification technology, particularly face recognition technology have breakthrough development, human body image identification
Technology also has some applications in automobile burglar supervision.Compared to other modes, human body image identification technology is direct, convenient friendly
It is good, therefore user is also easy to receive this technology.
The content of the invention
For in place of above-mentioned the deficiencies in the prior art, the present invention provides a kind of car door based on facial image track identification certainly
Dynamic open system and method, to solve the deficiency of existing issue.
To achieve these goals, the technical solution adopted by the present invention is：A kind of car based on facial image track identification
Door automatic opening system, including：
Acquisition module, collection within sweep of the eye dynamic and/or still image as the first image；
Comparison module, for extracting the characteristic vector of facial image or the face figure of the initial pictures with prestoring from the first image
The similarity of the characteristic vector of picture is compared, and the comparative result of output image；
Door control module, receives open command or out code is controlled to car door；
Processing module, generated according to comparative result for controlling the open command of door control module or out code or refusal to refer to
Order；
Memory module, for storing the first image and/or initial pictures, the initial pictures be the dynamic that user prerecords or
Image under static；
When Similarity value is less than predetermined threshold value, processing module output refusal instruction；
When Similarity value is equal to or higher than predetermined threshold value, processing module output open command or out code.
Further, the acquisition module includes the camera being arranged on car door, and the camera is obtained in the visual field
Dynamic and/or still image are as the first image.
Further, the acquisition module also includes recording device, the recording device obtain near voice be used as the
One voice, comparison module obtain the first voice compared with the similarity of pre-stored initial speech, and the initial speech is
The specific language that user records.
Further, in addition to light compensating module, the smooth compensating module is arranged on car door to be provided for the camera
Light source.
Further, in addition to comparison module is characterized extraction module, and gray value or light intensity value are extracted from the first image
Comparative result is exported compared with the gray value or light intensity value of initial pictures, and to processing module.
Further, in addition to key module, communicated to connect with the processing module, and export and use to the processing module
To generate the signal of open command or out code.
A kind of car door based on facial image track identification automatically turns on method, comprises the following steps：
Step S01：Dynamic is obtained from the visual field of camera by acquisition module and/or still image is used as the first image；
Step S02：The Similarity value of the first image and pre-stored initial pictures is calculated by comparison module, when similar
When angle value is less than predetermined threshold value, then step S03 is performed, when Similarity value is equal to and/or during higher than predetermined threshold value, then perform step
S04；
Step S03：Processing module sends prompt message to car owner, and car owner selects return to step S02 or alarm；
Step S04：Processing module sends Car's door controlling authority to car owner, and when car owner confirms opening car door, processing module is to car door
Control module, which exports open command or out code, makes car door automatically turn on or close.
When performing S02, in addition to preferential execution step S020, gray value is extracted from the first image information, works as gray value
During less than predetermined threshold value, light compensating module starts, and light source, and return to step S01 are provided for acquisition module；Be equal to when gray value or
During higher than predetermined threshold value, return to step S02.
When performing step SO2, in addition to preferential execution step S021, light intensity value is extracted from image capture environment, works as light
When intensity values are less than predetermined threshold value, light compensating module starts, and light source, and return to step S01 are provided for acquisition module；When light intensity value etc.
When predetermined threshold value, return to step S02.
In another implementation, when performing step S02, when Similarity value is less than predetermined threshold value, the first image is deposited
Memory module is stored in be transferred display or be sent to the terminal device of binding, the terminal device is mobile phone or tablet personal computer.
Compared with prior art, the beneficial effect of the invention：User can typing in advance can obtain car door opening and pass
Multiple user's facial image images of authority are closed, and the facial image image of typing can be dynamically or static, and can
To modify, and then enable users to identify that obtaining car door automatically turns on authority by facial image, without reusing key, energy
The security performance of vehicle protection is improved, avoids key from being replicated and causes vehicle to be stolen, or key loss, is left behind,
The control authority of car door can be obtained by the feature recognition of facial image.
Brief description of the drawings
Fig. 1 is the vehicle image identification structural representation of the present invention；
Fig. 2 is the car door automatic opening system schematic block diagram of the present invention；
Fig. 3 is the schematic block diagram of the car door automatic opening system embodiment two of the present invention；
Fig. 4 is the schematic block diagram of the car door automatic opening system embodiment three of the present invention；
Fig. 5 is that the car door of the present invention automatically turns on the schematic flow sheet of method；
Fig. 6 is the schematic flow sheet of one of the car door automatic opening method of the present invention；
Fig. 7 is that the car door of the present invention automatically turns on two schematic flow sheet of method.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
The application provides a kind of car door automatic opening system based on facial image track identification as shown in Figure 2, including
Acquisition module, comparison module, door control module, processing module and the memory module of communication connection, wherein, processing module point
It is not connected with comparison module and door control module and memory module signal, comparison module is connected with acquisition module signal.
As shown in figure 1, wide dynamic camera 101, camera fill flash 102, recording device 103, sense are provided with car door
Optical module 104, key module 105 and rotation assistant mechanism 106 of opening the door.
Wherein acquisition module its can be disposed on wide dynamic camera 101 on car door, pass through wide dynamic camera 101
Obtain the posture or facial image for the opener that opening car door is intended in the visual field.When obtaining, wide dynamic camera 101 catches the visual field
In the range of dynamic or transfixion of the human body in activity when still image as the first image.Certainly, dynamic here
Image or still image can include human body face expression, or pass through external tool（The accessories selected such as user）As auxiliary
The image of feature.It is to be understood that the gray value of image is also included in the first image, and the light intensity value of collection environment.
Convenient to obtain image, wide dynamic camera 101 is arranged on door sash, during due to opening car door, it is not necessary to
Human body is bent over, so installation site should can obtain broader field range in position more than door handle.
It is initial with prestoring of being transferred from memory that comparison module can directly obtain the first image from acquisition module
Image compares.
When relatively, comparison module can extract facial image feature or gray value from the first image or light intensity is worth to
Characteristic vector, compared with the characteristic vector in initial pictures, and export comparative result.Here initial pictures are user
Prerecord the dynamic image or still image of deposit memory module.
When relatively, comparison module can pass through the posture of human body（Such as gesture）And/or the feature of face is first to what is prestored
Beginning image and the first image obtained are compared, and generate a threshold value according to comparative result.
Processing module is singlechip microcontroller, can perform specific instruction, its instruction sent by being incorporated into program
Action executing device can be made（Functional part）Realize default action.In this application, processing module can be defeated by comparison module
The threshold value gone out and user（Car owner）The initial threshold of setting is calculated, and when threshold value is equal or higher than initial threshold, handles mould
Block generates an open command for being used to control door control module or out code selects for user；When threshold value is less than initial threshold
During value, processing module can be preserved the first image, either be sent to intelligent terminal or the alarm of user's binding.
It is worth noting that, processing module can have the function of herein described comparison module, i.e. processing module is distinguished
Communicated to connect with acquisition module and memory module, characteristic vector is extracted in the first image directly obtained from acquisition module, it is and first
The characteristic vector of beginning image carries out similarity mode calculating, and directly generates car door opening instruction according to the result of calculation of threshold value,
Automatically open up car door, without user's secondary control again.
Its enabling for including being arranged on of door control module rotates assistant mechanism 106, is opened when door control module receives
When opening instruction, user obtains the authority of opening car door, and when user determines to open car door, rotation assistant mechanism 106 of opening the door makes car door
Automatically open up.When user selects out code, user obtains the authority of closed door, and rotation assistant mechanism 106 of opening the door makes car
Door is automatic to close.
Memory module, can be storage medium, computer media, under the dynamic or static state prerecorded for storing user
Image as initial pictures, and the first image that collection obtains, or other ginsengs for being used to obtain Car's door controlling purview certification
Examine source, such as sound, fingerprint, palmmprint.
Embodiment one, in above-mentioned car door automatic opening system, acquisition module can be recording device 103, for obtaining
The voice of car door or du vehicule is arranged on car door as the first voice, recording device 103, and with processing module or compared with mould
Block communicates to connect, and comparison module obtains the first voice compared with pre-stored initial speech.Wherein, initial speech is user
The specific language recorded, language can be one section of voice messaging of user's typing, such as " open sesame ", " enabling ", " congratulations hair
Wealth ", " I am most handsome ", the verbal instructions of " I am most beautiful " class.
Embodiment two, as shown in figure 3, in above-mentioned car door automatic opening system, in addition to be arranged on car door and be used as light
The camera fill flash 102 and photoreceptor 104 of compensating module, photoreceptor 104 can obtain the intensity signal near car door, work as light
Intensity values are too low, then camera fill flash 102 is that wide dynamic camera 101 provides compensatory light, bright enough clear to collect
Clear image.
Light compensating module voluntarily can perceive environmental light intensity by photoreceptor 104, automated to respond to camera fill flash 102
Light filling.It can also be communicated to connect with comparison module or processing module, shooting is responded by calculating the light intensity value in the first image
The unlatching of head light compensating lamp 102.
Embodiment three, as shown in figure 4, in above-mentioned car door automatic opening system, in addition to communicate to connect with processing module
Key module 105, user can be referred to by key module directly to processing module output signal with generating open command or closing
The signal of order.
When key module 105 is located at the communication range of processing module, processing module is to the user or car for holding key
The intelligent terminal of main binding sends prompt message, prompt car owner whether opening car door or closed door, when user or car owner select
During any one, door control module makes car door perform corresponding action.
Car owner can be bound by mobile phone or tablet personal computer with processing module or key module, receive or send phase
Operational order, such as opening car door, closed door are closed, and transfers or change the initial information of typing.
As shown in figure 5, a kind of car door based on facial image track identification automatically turns on method, comprise the following steps：
Step S01：Dynamic is obtained from the visual field of camera by acquisition module and/or still image is used as the first image；
Step S02：The Similarity value of the first image and pre-stored initial pictures is calculated by comparison module, calculated
When, the characteristic information of face can be extracted from the first image, it is and default such as facial expression, human body face ratio and shape
Face characteristic information is matched, and to determine the similarity of all features, when Similarity value is less than predetermined threshold value, then performs step
Rapid S03, when Similarity value is equal to and/or during higher than predetermined threshold value, then perform step S04；
Step S03：Processing module sends prompt message to car owner, and car owner selects return to step S02 or alarm；
Step S04：Processing module sends Car's door controlling authority to car owner, and when car owner confirms opening car door, processing module is to car door
Control module, which exports open command or out code, makes car door automatically turn on or close.
One of car door automatic opening method, as shown in fig. 6, when performing step S02, in addition to preferential execution step
S020, gray value is extracted from the first image information, when gray value is less than predetermined threshold value, light compensating module starts, for collection
Module provides light source, and return to step S01；When gray value is equal to or higher than predetermined threshold value, return to step S02.
Car door automatically turns on the two of method, as shown in fig. 7, when performing step S02, in addition to preferential execution step
S021, light intensity value is extracted from image capture environment, when light intensity value is less than predetermined threshold value, light compensating module starts, for collection
Module provides light source, and return to step S01；When light intensity value is equal to or higher than predetermined threshold value, return to step S02.
Car door automatically turns on the three of method, based on above-mentioned car door opening method, when performing step S02, works as similarity
When value is less than predetermined threshold value, the terminal device that the first image is stored in memory module to be transferred display or be bound to car owner is sent out
Send, car owner can receive in terminal device and show the first image, not allow to open if the opener in the first image is car owner
The people of car door, then car owner can select to alarm.
The simply preferred embodiment of the present invention described above, it does not form limiting the scope of the invention, only
If it should all belong to protection scope of the present invention with what essentially identical means realized the object of the invention.
Claims (10)
- A kind of 1. car door automatic opening system based on facial image track identification, it is characterised in that including：Acquisition module, collection within sweep of the eye dynamic and/or still image as the first image；Comparison module, for extracting the characteristic vector of facial image or the face figure of the initial pictures with prestoring from the first image The similarity of the characteristic vector of picture is compared, and the comparative result of output image；Door control module, receives open command or out code is controlled to car door；Processing module, generated according to comparative result for controlling the open command of door control module or out code or refusal to refer to Order；Memory module, for storing the first image and/or initial pictures, the initial pictures be the dynamic that user prerecords or Image under static；When Similarity value is less than predetermined threshold value, processing module output refusal instruction；When Similarity value is equal to or higher than predetermined threshold value, processing module output open command or out code.
- 2. the car door automatic opening system according to claim 1 based on facial image track identification, it is characterised in that institute The camera that acquisition module includes being arranged on car door is stated, the camera obtains dynamic and/or still image work in the visual field For the first image.
- 3. the car door automatic opening system according to claim 1 or 2 based on facial image track identification, its feature exist In the acquisition module also includes recording device, and the recording device obtains neighbouring voice as the first voice, comparison module The first voice is obtained compared with the similarity of pre-stored initial speech, the initial speech is the specific of user's recording Language.
- 4. the car door automatic opening system according to claim 1 based on facial image track identification, it is characterised in that also Including light compensating module, the smooth compensating module is arranged on car door provides light source for the camera.
- 5. the car door automatic opening system according to claim 1 based on facial image track identification, it is characterised in that also Be characterized extraction module including comparison module, extracted from the first image gray value or light intensity value and initial pictures gray value or Light intensity value is compared, and exports comparative result to processing module.
- 6. the car door automatic opening system according to claim 1 based on facial image track identification, it is characterised in that also Including key module, communicate to connect with the processing module, and exported to the processing module to generate open command or pass Close the signal of instruction.
- 7. a kind of car door based on facial image track identification automatically turns on method, comprise the following steps：Step S01：Dynamic is obtained from the visual field of camera by acquisition module and/or still image is used as the first image；Step S02：The Similarity value of the first image and pre-stored initial pictures is calculated by comparison module, when similar When angle value is less than predetermined threshold value, then step S03 is performed, when Similarity value is equal to and/or during higher than predetermined threshold value, then perform step S04；Step S03：Processing module sends prompt message to car owner, and car owner selects return to step S01 or alarm；Step S04：Processing module sends Car's door controlling authority to car owner, and when car owner confirms opening car door, processing module is to car door Control module, which exports open command or out code, makes car door automatically turn on or close.
- 8. power supply shared system according to claim 7, it is characterised in that when performing step S02, in addition to preferential execution Step S020, gray value is extracted from the first image information, when gray value is less than predetermined threshold value, light compensating module starts, and is Acquisition module provides light source, and return to step S01；When gray value is equal to or higher than predetermined threshold value, return to step S02.
- 9. power supply shared system according to claim 7, it is characterised in that when performing step S02, in addition to preferential execution Step S021, extracts light intensity value from image capture environment, and when light intensity value is less than predetermined threshold value, light compensating module starts, and is Acquisition module provides light source, and return to step S01；When light intensity value is equal to or higher than predetermined threshold value, return to step S02.
- 10. charging method according to claim 7, it is characterised in that when performing step SO2, when Similarity value is less than pre- If during threshold value, the first image is stored in memory module to be transferred display or be sent to the terminal device of binding, the terminal Equipment is mobile phone or tablet personal computer.
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Application publication date: 20171215 |