CN106951833A - Human face image collecting device and man face image acquiring method - Google Patents
Human face image collecting device and man face image acquiring method Download PDFInfo
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- 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
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Abstract
The invention discloses a kind of human face image collecting device and man face image acquiring method, the human face image collecting device at least includes：Image acquisition units, first sensor unit, control process unit, the first communication bus, the second communication bus, wherein, image acquisition units are connected by the first communication bus with control process unit, the image for gathering destination object in target area；First sensor unit, is connected by the second communication bus with control process unit, including at least one sensor, for detected target object, wherein, the induction region of first sensor unit includes target area；Control process unit is used to receive image acquisition units, the data message of first sensor unit transmission and carries out control process.The human face image collecting device and method are unanimously opened without camera, and click on screen manually to start recognition of face also without user, are optimized the opening speed of camera, are improved the Consumer's Experience of man face image acquiring and identification.
Description
Technical field
The present invention relates to acquisition technology field, more particularly to whether one kind presence of people and can be carried out with automatic detection
The human face image collecting device and man face image acquiring method of man face image acquiring.
Background technology
With the development of information technology, various equipment are all to automation and intelligent development.Gate inhibition is applied in current
It is in the face identification device of system to use flat board (pad) structure more, facial image is gathered by the front camera in safety
To carry out recognition of face.Smaller yet with panel size, heat-sinking capability is limited, therefore front camera can not be always on,
For this it is generally necessary to which corresponding application program (APP) is inner to make ' Face datection ' button, user needs to click on button screen
Recognition of face can be started, it reduce Consumer's Experience, and user is added in whole process and click on button screen, wait and taking the photograph
As the time that head starts, cause inconvenience to the user, do not meet automation and intelligentized development trend.
Accordingly, it is desirable to provide a kind of human face image collecting device, to solve issue noted above at least in part.
The content of the invention
A series of concept of reduced forms is introduced in Summary, this will enter one in specific embodiment part
Step is described in detail.The Summary of the present invention is not meant to the pass for attempting to limit technical scheme claimed
Key feature and essential features, the protection domain for attempting to determine technical scheme claimed is not meant that more.
In order to solve the above problems at least in part, the invention provides a kind of human face image collecting device,
At least include：Image acquisition units, first sensor unit, control process unit, the first communication bus, second are led to
Believe bus, wherein,
Described image collecting unit, is connected by first communication bus with the control process unit, for gathering
The image of destination object in target area；
The first sensor unit, is connected by second communication bus with the control process unit, including extremely
A few sensor, for detected target object, wherein, the induction region of the first sensor unit includes the target area
Domain；
The control process unit, for receiving the number that described image collecting unit, the first sensor unit are sent
It is believed that ceasing and carrying out control process.
Exemplarily, the first sensor unit, is additionally operable to detecting destination object in the target area
The indication signals of Shi Shengcheng first；
The control process unit, is additionally operable to when receiving first indication signal, opens described image collection single
Member gathers the image of destination object in the target area, and when being not received by first indication signal, closes
Described image collecting unit keeps described image collecting unit to be closed.
Exemplarily, also including second sensor unit, the second sensor unit is located at described image collecting unit
First direction on, apart from described image collecting unit certain distance, including along being spaced that the first direction is set
At least two sensors, at least two sensor is generated and included respectively when there is destination object into respective induction region
There is the second indication signal of respective identification information,
The control process unit, is additionally operable to the institute based on each sensor generation in the second sensor unit
The time difference for stating the second indication signal determines whether that destination object enters the target area from the first direction, and true
Open described image collecting unit to gather the mesh when thering is destination object to enter the target area from the first direction surely
Mark the image of destination object in region.
Exemplarily, the control process unit is it is determined that there is destination object to enter the target area from the first direction
Described image collecting unit is opened during domain, including：
The control process unit is it is determined that have destination object when the first direction enters the target area
Timing, described image collecting unit is opened when timing reaches very first time interval.
Exemplarily, also including 3rd sensor unit, the 3rd sensor unit is located at described image collecting unit
Second direction on, apart from described image collecting unit certain distance, including along being spaced that the second direction is set
At least two sensors, at least two sensor is generated and included respectively when there is destination object into respective induction region
There is the 3rd indication signal of respective identification information,
The control process unit is additionally operable to based on described in each sensor generation in the 3rd sensing unit
The time difference of 3rd indication signal determine whether destination object from the second direction enter the target area, and it is determined that
Open described image collecting unit to gather the target when thering is destination object to enter the target area from the third direction
The image of destination object in region.
Exemplarily, the control process unit is it is determined that there is destination object to enter the target area from the second direction
Described image collecting unit is opened during domain, including：
The control process unit is it is determined that have destination object when the second direction enters the target area
Timing, described image collecting unit is opened when timing reaches the second time interval.
Exemplarily, the sensor is infrared sensor.
Exemplarily, the control process unit, is additionally operable to carry out face to the image that described image collecting unit is gathered
Detection and identification.
Exemplarily, the human face image collecting device also includes：Face datection recognition unit, the Face datection identification
Unit is used to carry out human face detection and recognition to the image that described image collecting unit is gathered,
The control process unit is additionally operable to open the Face datection identification list when opening described image collecting unit
Member closes the Face datection recognition unit to carry out Face datection identification, and when closing described image collecting unit, with
And keep the Face datection recognition unit to be closed when keeping described image collecting unit to be closed.
Exemplarily, described image collecting unit, the Face datection recognition unit and the control process unit are realized
For the tablet device with camera and processor,
The first sensor unit is arranged in the tablet device or tablet device top,
Second sensor unit tablet device certain distance described in distance on the first direction of the tablet device
Set,
3rd sensor unit tablet device certain distance described in distance in the second direction of the tablet device
Set.
According to the human face image collecting device of the present invention, determine whether that destination object enters by setting sensor unit
Enter target area, gone forward side by side pedestrian's face when there is destination object then to open image acquisition units collection facial image when entering target area
Identification, image acquisition units are then closed when no destination object enters target area or destination object leaves target area.I.e.
Unanimously opened without camera according to the human face image collecting device of the present invention, and screen is clicked on manually also without user
Start recognition of face, optimize the opening speed of camera, improve the Consumer's Experience of man face image acquiring and identification.
In order to solve the above problems at least in part, present invention also offers man face image acquiring method, including：
Detect whether that destination object enters target area by first sensor unit, and detected destination object
The first indication signal is generated during in the target area；
When receiving first indication signal, open described image collecting unit to gather target in the target area
The image of object, and when being not received by first indication signal, close described image collecting unit or keep described
Image acquisition units are closed,
Wherein, the first sensor unit includes at least one sensor, for detected target object, and described first passes
The induction region of sensor cell includes the target area.
Exemplarily, also include：Detect whether that destination object enters institute from first direction by second sensor unit
Target area is stated, wherein, the second sensor unit is located on the first direction of described image collecting unit, apart from institute
Image acquisition units certain distance, including at least two sensors being spaced set along the first direction are stated, it is described
At least two sensors include the of respective identification information there is destination object to be generated respectively when entering respective induction region
Two indication signals；
Time difference based on second indication signal of each sensor generation in the second sensor unit
Determine whether that destination object enters the target area from the first direction, and it is determined that having destination object from described first
Described image collecting unit is opened when direction enters the target area to gather the image of destination object in the target area.
Exemplarily, described image is opened when it is determined that there is destination object to enter the target area from the first direction
Collecting unit, including：
It is determined that timing having destination object when the first direction enters the target area, when timing reaches the
Described image collecting unit is opened during one time interval.
Exemplarily, also include：Detect whether that destination object enters institute from second direction by 3rd sensor unit
Target area is stated, wherein, the 3rd sensor unit is located in the second direction of described image collecting unit, apart from the figure
As collecting unit certain distance, including at least two sensors being spaced set along the second direction, it is described at least
Two sensors include the 3rd finger of respective identification information there is destination object to be generated respectively when entering respective induction region
Show signal；
Time difference based on the 3rd indication signal of each sensor generation in the 3rd sensing unit is true
It is fixed whether to there is destination object to enter the target area from the second direction, and it is determined that having destination object from the third party
The image of destination object in the target area is gathered to described image collecting unit is opened when entering the target area.
Exemplarily, described image is opened when it is determined that there is destination object to enter the target area from the second direction
Collecting unit, including：
It is determined that timing having destination object when the second direction enters the target area, when timing reaches the
Described image collecting unit is opened during two time intervals.
Exemplarily, the sensor is infrared sensor.
Exemplarily, also include：The image gathered by Face datection recognition unit to described image collecting unit is carried out
Human face detection and recognition,
Also, open the Face datection recognition unit to carry out Face datection knowledge when opening described image collecting unit
Not, and when closing described image collecting unit the Face datection recognition unit is closed, and is keeping described image to adopt
Collection unit keeps the Face datection recognition unit to be closed when being closed.
According to the man face image acquiring method of the present invention, determine whether that destination object enters mesh by sensor unit
Mark region, when have destination object enter target area when then open image acquisition units collection facial image go forward side by side pedestrian's face know
Not, image acquisition units are then closed when no destination object enters target area or destination object leaves target area.That is root
Unanimously opened without camera according to the man face image acquiring method of the present invention, and click on screen manually to open also without user
Beginning recognition of face, optimizes the opening speed of camera, improves the Consumer's Experience of man face image acquiring and identification.
Brief description of the drawings
The drawings below of the embodiment of the present invention is used to understand the present invention in this as the part of the present invention.Shown in accompanying drawing
Embodiments of the invention and its description, for explaining the principle of the present invention.In the accompanying drawings,
Fig. 1 is for realizing the schematic of the exemplary electronic device of human face image collecting device according to embodiments of the present invention
Block diagram；
Fig. 2 is the schematic block diagram of the human face image collecting device according to the embodiment of the present invention；
Fig. 3 is a schematic diagram of the human face image collecting device according to the embodiment of the present invention；
Fig. 4 is that the human face image collecting device shown in Fig. 3 shows in have destination object to be generated when entering target area one
Example indication signal；
Fig. 5 is the indicative flowchart of the course of work of the human face image collecting device shown in Fig. 3；
Fig. 6 is the schematic block diagram of the image detecting apparatus according to the embodiment of the present invention.
Specific embodiment
In the following description, a large amount of concrete details are given to provide more thorough understanding of the invention.So
And, it will be apparent to one skilled in the art that the embodiment of the present invention can be without one or more of these details
And be carried out.In other examples, in order to avoid obscuring with the embodiment of the present invention, for more well known in the art
Technical characteristic is not described.
It should be appreciated that the present invention can be implemented in different forms, and it should not be construed as being limited to what is proposed here
Embodiment.On the contrary, providing these embodiments disclosure will be made thoroughly and complete, and will fully convey the scope of the invention to
Those skilled in the art.In the accompanying drawings, for clarity, the size and relative size of part, element etc. may be exaggerated.From beginning
Identical element is represented to whole same reference numerals.
Become apparent in order that obtaining the object, technical solutions and advantages of the present invention, root is described in detail below with reference to accompanying drawings
According to the example embodiment of the present invention.Obviously, described embodiment is only a part of embodiment of the present invention, rather than this hair
Bright whole embodiments, it should be appreciated that the present invention is not limited by example embodiment described herein.Described in the present invention
The embodiment of the present invention, those skilled in the art's all other embodiment resulting in the case where not paying creative work
It should all fall under the scope of the present invention.
First, reference picture 1 is described for realizing man face image acquiring method and apparatus according to embodiments of the present invention
Exemplary electronic device 100.
As shown in figure 1, electronic equipment 100 include one or more processors 102, it is one or more storage devices 104, defeated
Enter/output device 106, communication interface 108 and one or more imaging sensors 110, and at least one proximity transducer list
Member 114, these components are interconnected by bindiny mechanism's (not shown) of bus system 112 and/or other forms.It should be noted that Fig. 1
The component and structure of shown electronic equipment 100 be it is illustrative, and not restrictive, as needed, the electronic equipment
Can also have other assemblies and structure, foregoing members can not also be included, for example, can include communication interface 108,
Can not also packet communication interface 108.
The processor 102 typicallys represent the place for being capable of processing data or explanation and execute instruction of any types or form
Manage unit.In general, processor can be CPU (CPU) or be held with data-handling capacity and/or instruction
The processing unit of the other forms of row ability, and other components in the electronic equipment 100 can be controlled to perform expectation
Function.In a particular embodiment, processor 102 can receive the instruction from software application or module.These instructions can be with
Processor 102 is caused to complete the function of one or more example embodiments of being described herein and/or show.Implement in the present invention one
In example, the processor, which is also integrated with image-signal processor (ISP), to be used to control imaging sensor 110 to carry out IMAQ,
And adjust parameter and brightness, contrast, the exposures such as digital gain, analog gain, BLC, the wide dynamic of AE (automatic exposure)
The image quality parameters such as time and other specification, with adjusting image quality, and the output signal life based on imaging sensor 110
Transmitted into corresponding exposure image, and by the connection unit of such as bus system 112 to the progress subsequent treatment of processor 102.
Meanwhile, image-signal processor (ISP) 110 can also receive order or instruction from processor 102, with to imaging sensor
110 are adjusted control.
The storage device 104 can include one or more computer program products, and the computer program product can
With including various forms of computer-readable recording mediums, such as volatile memory and/or nonvolatile memory.It is described easy
The property lost memory is such as can include random access memory (RAM) and/or cache memory (cache).It is described non-
Volatile memory is such as can include read-only storage (ROM), hard disk, flash memory.In the computer-readable recording medium
On can store one or more computer program instructions, processor 102 can run described program instruction, to realize hereafter institute
The client functionality (realized in the embodiment of the present invention stated by processor) and/or other desired functions.In the meter
Can also store various application programs and various data in calculation machine readable storage medium storing program for executing, such as application program use and/or
Various data produced etc..
The input/output device 106 can be that user is used for input instruction and to the outside device for exporting various information,
One or more of such as input unit can include keyboard, mouse, microphone and touch-screen.Output device can include
One or more of display, loudspeaker etc..
Communication interface 108 widely represent any types or form can promote exemplary electronic device 100 and one or
The adapter or communication equipment of communication between multiple optional equipments.For example, communication interface 108 can promote electronic equipment 100
With the communication in front end or accessory electronic device and back-end server or high in the clouds.The example of communication interface 108 includes but is not limited to
Wired network interface (such as NIC), radio network interface (such as wireless network interface card), modem and appoint
What his suitable interface.In one embodiment, communication interface 108 by the direct-connected offer with the network of such as internet to remote
Journey server/remote front-end equipment it is direct-connected.In a particular embodiment, communication interface 108 by with dedicated network, such as video
The direct-connected offer of network, the network such as Skynet system network is monitored to the direct-connected of remote server/remote front-end equipment.Communication interface
108 can also provide this by any other connection properly connected indirectly.
Imaging sensor 110 can gather or shoot image (such as photo, video of the desired visible light exposure of user
Deng), and captured image is stored in the storage device 104 so that other components are used.Imaging sensor 110
One example is RGB sensors, or RGBW sensors or black and white sensor (can only gather black white image) etc., and it passes through sense
Visible ray is answered to form colored or black white image/video.
At least one proximity transducer unit 114 for detecting whether have destination object into target area i.e. whether someone
Image acquisition region or recognition of face region into imaging sensor 110.At least one proximity transducer unit 114 can be adopted
With various suitable proximity transducers, such as capacitive proximity sensor, inductive proximity sensor, infrared sensor, Hall
Sensor, ultrasonic sensor etc..
Exemplarily, for realizing that the exemplary electronic device of human face image collecting device according to embodiments of the present invention can be with
It is implemented as such as smart mobile phone, panel computer, the IMAQ end of gate control system, the IMAQ end of safety-protection system etc..
Fig. 2 is the schematic block diagram of the human face image collecting device according to the embodiment of the present invention.With reference to Fig. 2 pairs
Human face image collecting device according to embodiments of the present invention is described.
As shown in Fig. 2 human face image collecting device 200 according to embodiments of the present invention includes image acquisition units 210, the
One communication bus 220, sensor unit 230, the second communication bus 240, control process unit 250 and Face datection recognition unit
260.In some examples, Face datection recognition unit 260 can not also be included.
Image acquisition units 210 are used for the image for gathering destination object in target area.The target area refers to figure
As the image acquisition region of collecting unit 210, or for carrying out the recognition of face region of face collection/identification.The target
Object is, for example, the people of pending recognition of face.Image acquisition units 210 can be video camera, various IMAQ ends, or
Such as camera unit or camera of flat board all electronic equipments.Image acquisition units 210 pass through the first communication bus 220 and control
Processing unit 250 is connected, and acquired image is sent to control process unit 250 and handled, or receives to carry out automatic control
The order of processing unit 250 processed or signal.
First sensor unit 230 includes at least one sensor, for detected target object, wherein, described first passes
The induction region of sensor cell includes the target area.I.e. first sensor unit 230 is used to sense in detection target area
Destination object, when there is destination object in target area, or destination object enter target area when, first sensor unit
230 can generate the first indication signal, and to represent that target area has destination object, or destination object enters target area.Work as mesh
Mark region is not when having destination object, or destination object, when leaving target area, sensor unit 230 will not then generate described first
Indication signal, or first indication signal stop, and to represent that target area does not have destination object, or destination object leaves mesh
Mark region.First sensor unit 230 is connected by second communication bus 240 with the control process unit 250, will
First indication signal is sent to the control process unit 250, the control process unit 250 is referred to according to described first
Show that signal determines whether the target area has destination object, and operated accordingly.
It is understood that first sensor unit 230 is to be arranged as required in any suitable position, as long as ensureing
Its induction region includes the target area, that is, includes the image acquisition region of image acquisition units 210.
In an example of the invention, also including second sensor unit, the second sensor unit is located at described image
On the first direction of collecting unit 210, the first direction is, for example, the left side of described image collecting unit 210, and described the
Two sensor units are configured as needed apart from the certain distance of described image collecting unit 210, the certain distance, this hair
It is bright to be not specifically limited.Exemplarily, the second sensor unit is included along being spaced that the first direction is set
At least two sensors, at least two sensor is generated and included respectively when there is destination object into respective induction region
There is the second indication signal of respective identification information.The identification information is used to represent which sensor is the indication signal come from,
It is used to distinguish the second indication signal that each sensor is sent by the identification information.
Also include 3rd sensor unit in another example of the invention, the 3rd sensor unit is located at described image
In the second direction of collecting unit 210, the second direction is, for example, the right side of described image collecting unit 210.Described 3rd
Sensor unit is configured as needed apart from the certain distance of described image collecting unit 210, the certain distance, the present invention
It is not specifically limited.The 3rd sensor unit includes at least two sensings being spaced set along the second direction
Device, at least two sensor is generated respectively when there is destination object into respective induction region includes each tagging letter
3rd indication signal of breath.The identification information is used to represent which sensor is the indication signal come from, that is, passes through the mark
Knowing information is used to distinguish the second indication signal that each sensor is sent.
Control process unit 250 is sent for receiving described image collecting unit 210, the first sensor unit 230
Data message and carry out control process.In an example of the invention, the control process unit 250 is used to be based on described first
First indication signal that sensor unit 230 is generated determines whether destination object into the target area, and
There is destination object to open described image collecting unit 230 to gather target pair in the target area when entering the target area
The image of elephant, and when no destination object enters the target area, close described image collecting unit 230 or keep institute
Image acquisition units 230 are stated to be closed.That is, when the control process unit 250 receives first indication signal
When, control process unit 250 determines have destination object to enter the target area, and now control process unit 250 is opened described
Image acquisition units 210, for example, open camera, to gather the image of destination object in the target area.When the control
When processing unit 250 is not received by first indication signal, control process unit 250 determines that no destination object enters institute
State target area or destination object leaves the target area, now control process unit 250 closes described image collecting unit
210 or keep described image collecting unit 210 to be closed, the camera of such as pass hull closure or keep camera to close
Close, to save power consumption, reduction heating.
In another example of the invention, the control process unit 250 is additionally operable to be based in the second sensor unit
The time difference of second indication signal of each sensor generation determines whether destination object from the first direction
The figure is opened into the target area, and when it is determined that there is destination object to enter the target area from the first direction
The image of destination object in the target area is gathered as collecting unit.Exemplarily, the control process unit 250 is true
Surely timing having destination object when the first direction enters the target area, when timing reaches very first time interval
Open described image collecting unit.It should be noted that the very first time interval is adjustable, it can be a preset value,
It can be determined according to the distance of the second sensor unit and image acquisition units 210, exemplarily, the very first time interval
Average time needed for the distance between second sensor unit and the image acquisition units 210 of being passed by for user.
In another example of the invention, the control process unit 250 is additionally operable to be based on every in the 3rd sensing unit
The time difference of the 3rd indication signal of the individual sensor generation determines whether that destination object enters from the second direction
Enter the target area, and described image is opened when it is determined that there is destination object to enter the target area from the third direction
Collecting unit gathers the image of destination object in the target area.Exemplarily, the control process unit is it is determined that have
Destination object since the second direction enter the target area when timing, when timing reach the second time interval when open
Described image collecting unit.Similarly, second time interval is adjustable, and it can be a preset value, also can be according to described
3rd sensor unit and the distance of image acquisition units 210 determine that exemplarily, second time interval is passed by for user
Average time needed for the distance between 3rd sensor unit and image acquisition units 210.
Face datection recognition unit 260 be used for described image collecting unit 210 gather image carry out Face datection and
Identification.I.e. from image acquisition units 210 gather the image of the destination object is carried out Face datection, face character analysis,
Recognition of face etc. is operated.
In the present embodiment, the control process unit 250 opens described when destination object enters the target area
Face datection recognition unit 260 does not enter into/left the target area to carry out Face datection identification, and in destination object
When, close the Face datection recognition unit 260 or keep the Face datection recognition unit 260 to be closed.
That is, when first sensor unit 230 generates first indication signal, control process unit 250 determines there is mesh
Mark object and enter the target area, now control process unit 250 opens described image collecting unit 230, for example, open and take the photograph
As head, to gather the image of destination object in the target area, come while opening the Face datection recognition unit 260 to figure
As the image for the destination object that collecting unit 210 is gathered carries out Face datection identification.Come that is, starting Face datection recognizer
The image of the destination object gathered to image acquisition units 260 carries out Face datection identification.When first sensor unit 210 does not have
When generating first indication signal, control process unit 250 determines that no destination object enters the target area or target
Object leaves the target area, and now control process unit 250 closes described image collecting unit 210 and Face datection identification
Unit 260 holds described image collecting unit 210 and Face datection recognition unit 260 is closed, such as pass hull closure
Camera and Face datection recognizer keep camera and Face datection recognizer to close, to save power consumption, reduction hair
Heat.
In addition, the operation such as the analysis of Face datection, face character, recognition of face can use method commonly used in the art.Show
Example property, for example can be using the good human-face detector of training in advance come fixed in the acquired image of image acquisition units 210
Position human face region.For example, the Face datections such as Ha Er (Haar) algorithm, Adaboost algorithm can be advanced with and recognizer exists
Human-face detector is trained on the basis of a large amount of pictures, for the single-frame images of input, the good human-face detector of the training in advance
Human face region can be quickly located out.In addition, for the multiple image of the continuous acquisition of image acquisition units 210, in first frame figure
After orienting human face region as in, can the position based on human face region in the previous frame image of current frame image come in real time
Follow the trail of the position of the human face region in current frame image.When image acquisition units 210 gather image in detect facial image
And provide after corresponding coordinate, then facial image can be plucked out and (be commonly called as scratching figure) by coordinate, to obtain facial image.
Further, it is possible to detect the facial image position in the image gathered from the visible light image sensor
Coordinate data；According to the coordinate data of the destination object, taken only in the image gathered from described image collecting unit 230
Include the image of the face.As an example, when it is determined that facial image position coordinate data after, can be at these
It is marked at coordinate, such as labeled as 1, and the position mark outside these coordinates is 0, so that it is determined that the region of facial image,
Profile and pixel etc., then will can be scratched with existing figure cutting techniques (for example, Graph Cut algorithms) labeled as 1 region
Take out, so as to obtain only including the image of face.
Further, in embodiments of the present invention, the characteristic information of face can be detected/extracted by the facial image.
So-called characteristic information, what is referred to can be used for face or the information for being distinguished face to be identified and other faces.With people
Exemplified by face image, so-called characteristic information can exemplarily include such as face overall information, such as shape of face, face layout,
Local feature information can also be included, such as mole, freckle, scar, face characteristic information, such as left ear information can also be included
(size, shape etc.), auris dextra information (size, shape etc.), left eyebrow information (such as shape, position, length and width), right eyebrow information
(such as shape, position, length and width), and left eye information (such as shape, position, length and width), right eye information (such as shape
Shape, position, length and width etc.) etc..
Exemplarily, in one embodiment, Sobel operator extractions characteristics algorithm or Gabor characteristic algorithm etc. can be passed through
Feature extraction algorithm characteristic information extraction from facial image.In another embodiment, it is possible to use the good key of training in advance
Spot locator carrys out locating human face's key point (such as eyes, canthus, eye center, eyebrow, nose, nose, mouth in human face region
Bar, the corners of the mouth and face mask etc.).For example, cascade homing method can be advanced with the face picture largely manually marked
On the basis of train crucial spot locator.Alternatively, it would however also be possible to employ the crucial independent positioning method of traditional face, it is based on parameter
Shape, according to the appearance features near key point, learns a parameter model, iteratively optimizes key point when in use
Position, finally obtain crucial point coordinates, after crucial point coordinates is obtained, a step can be carried out based on the coordinate and obtain key point
The other information of (such as eyes, canthus, eye center, eyebrow, nose, nose, face, the corners of the mouth and face mask), for example
Size, shape etc. information.
It should be appreciated that the present invention is not limited by the facial image extracting method and characteristics information extraction method that specifically use, nothing
By be existing facial image extracting method and characteristics information extraction method or in the future exploitation facial image extracting method and
Feature extracting method, can be applied in man face image acquiring method according to embodiments of the present invention, and should also be included in
In protection scope of the present invention.
Human face image collecting device according to embodiments of the present invention, target is determined whether by setting sensor unit
Object enters target area, is gone forward side by side when there is destination object then to open image acquisition units collection facial image when entering target area
Row recognition of face, IMAQ list is then closed when no destination object enters target area or destination object leaves target area
Member.Unanimously opened, and clicked on manually also without user without camera according to the human face image collecting device of the present invention
Screen starts recognition of face, optimizes the opening speed of camera, improves the Consumer's Experience of man face image acquiring and identification.
Fig. 3 is a schematic diagram of the human face image collecting device according to the embodiment of the present invention.Fig. 4 is Fig. 3 institutes
The human face image collecting device shown is in an example indication signal for having destination object to be generated when entering target area；Fig. 5 is Fig. 3
The indicative flowchart of the course of work of shown human face image collecting device.With reference to Fig. 3~Fig. 5 to face figure of the present invention
As a specific example of harvester is illustrated, to more fully understand the present inventor's face image acquiring principle of device and work
Make process.
As shown in figure 3, the human face image collecting device 300 of the present embodiment includes tablet device 301 and is arranged in flat board and sets
Sensor unit on standby 301 and around tablet device 301,.That is, foregoing control process unit 250, image acquisition units
210 and Face datection recognition unit 260 be embodied as the tablet device 301 with front camera 302,.
Tablet device 301 have front camera 302 and processor 303, additionally can have display screen, loudspeaker,
The parts such as storage device.In one embodiment, processor 303 can be implemented as central processing unit (CPU).Processor 303 leads to
Cross to perform and store programmed instruction and program code in the storage device to realize the control process unit 250 and Face datection
Recognition unit 260 and its function, and store programmed instruction and program code in the storage device to control shooting by execution
First 302 to realize image acquisition units 210 and its function.Tablet device 301 is only shown using conventional construction and arrangement, Fig. 3
Meaning property provides its structural diagrams.
First sensor unit is arranged in tablet device 301.Exemplarily, first sensor unit includes one first
Sensor 304, certainly, in other embodiments, first sensor unit can also include two or more sensors.First
The induction region of sensor 304 includes the image acquisition region of front camera 302, namely includes target area.First sensing
Device 304 is for example with infrared sensor, and when there is destination object to enter target area, first sensor 304 can generate the first finger
Show signal, when no destination object enters target area or destination object leaves target area, first sensor 304 will not give birth to
Into the first indication signal, or stop first indication signal.
The processor 303 of tablet device 301 is determined based on first indication signal that first sensor unit is generated
It is no to there is destination object to enter the target area, and open camera 302 when there is destination object to enter the target area
Gather the image of destination object in the target area.As shown in figure 4, when there is destination object to enter target area from front,
First sensor 304 can generate the first indication signal shown in curve 304 in Fig. 4, i.e. first sensor unit generation first refers to
When showing signal, then it represents that have destination object to enter target area, now, processor 303 just opens camera 302 to gather target
The image of object, and open face recognition algorithms progress recognition of face.
Left side (exemplarily, left side the is referred to as first direction herein) distance of second sensor unit in tablet device 301
The certain distance of tablet device 308 is set.Exemplarily, second sensor unit includes the second sensing of setting spaced apart
Device 305 and 3rd sensor 306.Second sensor 305 and 3rd sensor 306 are, for example, infrared sensor, when there is target pair
As entering during respective induction region, second sensor 305 and 3rd sensor 306 can generate and include respective identification information
Second indication signal, when no destination object enters respective induction region, second sensor 305 and 3rd sensor 3062 are not
Second indication signal can be generated, or stops second indication signal.
The processor 303 of tablet device 301 generated based on second sensor 305 and 3rd sensor 306 described second
The time difference of indication signal determines whether that destination object enters the target area from the first direction, and it is determined that there is mesh
Mark object opens camera 302 to gather target pair in the target area when entering the target area from the first direction
The image of elephant.As shown in figure 4, when there is destination object to enter target area from left side, second sensor 305 and 3rd sensor
306 can generate the second indication signal shown in curve 305 and 306 in Fig. 4, i.e. when second sensor 305 and 3rd sensor
306 generate the second indication signal, and the indication signal of second sensor 305 is indicated earlier than the second of 3rd sensor 306
During signal, then it represents that have destination object to enter target area from left side, now, processor 303 just opens camera 302 to gather
The image of destination object.In an example of the invention, the processor 303 of tablet device 301 is it is determined that have destination object from described
First direction starts timing when entering the target area, opens camera 302 to adopt when timing reaches very first time interval
Collect the image of destination object.
Right side (exemplarily, right side the is referred to as second direction herein) distance of 3rd sensor unit in tablet device 301
The certain distance of tablet device 301 is set.Exemplarily, 3rd sensor unit includes the 4th sensing of setting spaced apart
The sensor 308 of device 307 and the 5th.4th sensor 307 and the 5th sensor 308 are, for example, infrared sensor, when there is target pair
As entering during respective induction region, the 4th sensor 307 and the 5th sensor 308 can generate and include respective identification information
3rd indication signal, when leaving induction region certainly into induction region certainly or destination object without destination object, the 4th
The sensor 308 of sensor 307 and the 5th will not generate the 3rd indication signal, or stop the 3rd indication signal.
The processor 303 of tablet device 301 generated based on the 4th sensor 307 and the 5th sensor 308 the described 3rd
The time difference of indication signal determines whether that destination object enters the target area from the second direction, and it is determined that there is mesh
Mark object opens camera 302 to gather target pair in the target area when entering the target area from the second direction
The image of elephant.As shown in figure 4, when there is destination object to enter target area from right side, the 4th sensor 307 and the 5th sensor
308 can generate the indication signal shown in curve 307 and 308 in Fig. 4, i.e. the 4th sensor 307 and the 5th sensor 308 are given birth to
Into the 3rd indication signal, and threeth indication signal of the indication signal earlier than the 5th sensor 308 of the 4th sensor 307
When, then it represents that there is destination object to enter target area from right side, now, processor 303 just opens camera 302 to gather target
The image of object.In an example of the invention, the processor 303 of tablet device 301 is it is determined that have destination object from described second
Direction starts timing when entering the target area, opens camera 302 to gather mesh when timing reaches the second time interval
Mark the image of object.
It is understood that second sensor unit and 3rd sensor unit have the distance of tablet device 301 can be with
It is identical can also be different, it is configured according to the actual requirements, and the present invention is not limited this.With reference to Fig. 5 to this
The course of work of the human face image collecting device 300 of embodiment is illustrated.As shown in figure 5, in step 301, facial image
Harvester 300 is in original state, and now camera 302 is closed, and Face datection recognition unit/algorithm is closed, and opens sensing
Device unit.Then, detected whether that destination object enters target area in step 302, that is, whether detected first sensor 304
The first indication signal is generated, or whether detection second sensor 305 and 3rd sensor 306 generate the second indication signal,
And the finger of second sensor 305 second shows that second indication signal of the signal earlier than 3rd sensor 306, or detection the 4th are passed
Whether the sensor 308 of sensor 307 and the 5th generates the 3rd indication signal, and the 3rd indication signal of the 4th sensor 307
Earlier than the 3rd indication signal of the 5th sensor 308, when one of them meets sets requirement, then it represents that have destination object entrance
Target area, now into step 303, opens camera 302 to gather the image of destination object, and opens Face datection knowledge
Other unit/algorithm to carry out human face detection and recognition to the image of the destination object of collection.Meanwhile, it is delayed one in step 304
Fix time, for completing the gatherer process and human face detection and recognition process of the destination object image.Subsequently into step 305
In, judge first sensor 304, second sensor 305 and the sensor 307 of 3rd sensor 306 and the 4th and the 5th sensing
Whether device 308 also has indication signal, and if then representing still have destination object to enter the target area, or destination object is still
So in target area etc., it can now be back in step 303, to enter IMAQ and face to the destination object newly entered
Detection identification, or prompting current target object have completed IMAQ or Face datection identification, can carry out subsequent operation etc..
If first sensor 304, second sensor 305 and the sensor 307 of 3rd sensor 306 and the 4th and the 5th sensor
308 without indication signal, then it represents that destination object has been moved off target area, then in return to step S301, closes camera 302
And Face datection recognition unit/algorithm, to save power consumption, reduction heating.In an example of the invention, work as first sensor
During 304 no first indication signal, that is, determine there is no destination object in target area, and close camera 302 and face inspection
Recognition unit/algorithm is surveyed, to save power consumption, reduction heating.
It is understood that structure shown in Fig. 3~Fig. 5, signal and flow are exemplarily, such as in structure shown in Fig. 3
In, second sensor unit and 3rd sensor unit can include the sensor of more than three, and first sensor unit can be with
Including two or more sensor, and first sensor unit can be not arranged in tablet device 301 and (be not integrated into flat board
In equipment 301), and be provided in above or below tablet device 301, i.e., in the position of tablet device 301, it is ensured that first
The induction region of sensor unit includes the image acquisition region of camera 302., can be with addition, in other embodiments
First sensor unit is only configured, without configuring second sensor unit and 3rd sensor unit, or except configuration the
Two sensor units and 3rd sensor unit can also configure more sensor units.
Further, second sensor 305 and 3rd sensor 306, the 4th sensor 307 and the 5th sensor 308
The time difference of indication signal is used for the approach axis for judging destination object, and the time difference can be by adjusting second sensor 305
It is adjusted, distance is bigger, indicates with the distance between 3rd sensor 306, the 4th sensor 307 and the 5th sensor 308
The interval time of signal is longer.
Human face image collecting device according to embodiments of the present invention, by sensor unit, can be detected from tablet device
Left side, right side and front enter the destination object of target area, and the delay of sensor unit and scope can be adjusted, and be carried
The high flexibility of configuration.And due to setting sensor array to carry out detected target object, so as to consistent without camera
Open, and click on screen manually to start recognition of face also without user, optimize the opening speed of camera, improve
Man face image acquiring and the Consumer's Experience of identification.
Fig. 6 is the schematic block diagram of the man face image acquiring equipment according to the embodiment of the present invention.With reference to Fig. 6 pairs
Man face image acquiring device systems according to embodiments of the present invention are described.
As shown in fig. 6, image capture device 600 according to embodiments of the present invention includes at least one proximity transducer unit
610th, imaging sensor 620, storage device 630 and processor 640.
At least one proximity transducer unit 610 is for detecting whether there is destination object to enter target area.At least one
Proximity transducer unit 610 can use infrared sensor, the arrangement of sensing unit can for example shown in Fig. 3, or according to
Need to use other arrangements.
Imaging sensor 620 is used for the image for gathering target area.Imaging sensor 620 can be RGB sensors, also may be used
Think black and white sensor.Imaging sensor 620, which can gather picture, can also gather video.
The storage device 630 stores corresponding in human face image collecting device according to embodiments of the present invention for realizing
The program code of function.
The processor 640 is used to run the program code stored in the storage device 630, to perform according to the present invention
The relevant work flow of the facial image device of embodiment, and for realizing man face image acquiring according to embodiments of the present invention
Control process unit 220, Face datection recognition unit 240 in device.
In one example, the man face image acquiring equipment is the tablet device with processor and camera, described
Sensor array is arranged in the tablet device or around tablet device.In another example, the man face image acquiring
Equipment includes camera and server, and the sensor array is arranged in around the camera, and the server includes described
Control process unit and Face datection recognition unit.
Exemplarily, image capture device 600 according to embodiments of the present invention can be implemented with proximity transducer, figure
As the unit or system of sensor, memory, communication interface/unit and processor.
Image capture device 600 according to embodiments of the present invention can be deployed in man face image acquiring identifying system, example
Such as, in security protection application field, gate control system can be deployed in；, can be with the identity of bank, exchange etc. in financial application field
In Verification System.
In addition, according to embodiments of the present invention, additionally providing a kind of storage medium, program being stored on said storage
Instruction, is filled when described program is instructed and run by computer or processor for performing the man face image acquiring of the embodiment of the present invention
The relevant work flow put, and for realizing corresponding module/son of human face image collecting device according to embodiments of the present invention
Module.The storage medium can for example include the storage card, the memory unit of panel computer, personal computer of smart phone
Hard disk, read-only storage (ROM), Erasable Programmable Read Only Memory EPROM (EPROM), portable compact disc read-only storage (CD-
ROM), any combination of USB storage or above-mentioned storage medium.The computer-readable recording medium can be one or
Any combination of multiple computer-readable recording mediums, such as one computer-readable recording medium, which is included, is used for destination object letter
The computer-readable program code of generation is ceased, another computer-readable recording medium, which is included, is used for target object information identification
Computer-readable program code.
In one embodiment, the computer program instructions can be realized when being run by computer according to of the invention real
Each functional module in the man face image acquiring square law device of example is applied, and/or can be performed according to embodiments of the present invention
Human face image collecting device workflow.
Each module in human face image collecting device according to embodiments of the present invention can be by according to embodiments of the present invention
The processor computer program instructions that store in memory of operation of electronic equipment of man face image acquiring realize, or
The computer instruction that can be stored in the computer-readable recording medium of computer program product according to embodiments of the present invention
Realized when being run by computer.
Human face image collecting device according to embodiments of the present invention, target is determined whether by setting sensor unit
Object enters target area, is gone forward side by side when there is destination object then to open image acquisition units collection facial image when entering target area
Row recognition of face, IMAQ list is then closed when no destination object enters target area or destination object leaves target area
Member.Unanimously opened, and clicked on manually also without user without camera according to the human face image collecting device of the present invention
Screen starts recognition of face, optimizes the opening speed of camera, improves the Consumer's Experience of man face image acquiring and identification.
Although describing example embodiment by reference to accompanying drawing here, it should be understood that above-mentioned example embodiment is merely exemplary
, and be not intended to limit the scope of the invention to this.Those of ordinary skill in the art can carry out various changes wherein
And modification, it is made without departing from the scope of the present invention and spirit.All such changes and modifications are intended to be included in appended claims
Within required the scope of the present invention.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
, can be by it in several embodiments provided herein, it should be understood that disclosed apparatus and method
Its mode is realized.For example, apparatus embodiments described above are only schematical, for example, the division of the unit, only
Only a kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can be tied
Another equipment is closed or is desirably integrated into, or some features can be ignored, or do not perform.
In the specification that this place is provided, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the present invention
Example can be put into practice in the case of these no details.In some instances, known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this description.
Similarly, it will be appreciated that in order to simplify the present invention and help to understand one or more of each inventive aspect, exist
To the present invention exemplary embodiment description in, each feature of the invention be grouped together into sometimes single embodiment, figure,
Or in descriptions thereof.However, the method for the invention should be construed to reflect following intention：It is i.e. claimed
Application claims features more more than the feature being expressly recited in each claim.More precisely, as accordingly
As claims reflect, its inventive point is that can use all features less than some disclosed single embodiment
Feature solves corresponding technical problem.Therefore, it then follows thus claims of embodiment are expressly incorporated in the tool
Body embodiment, wherein each claim is in itself as the separate embodiments of the present invention.
It will be understood to those skilled in the art that in addition to mutually exclusive between feature, any combinations pair can be used
All features and so disclosed any method disclosed in this specification (including adjoint claim, summary and accompanying drawing)
Or all processes or unit of equipment are combined.Unless expressly stated otherwise, this specification (including adjoint right will
Ask, make a summary and accompanying drawing) disclosed in each feature can be by offer is identical, equivalent or the alternative features of similar purpose are replaced.
Although in addition, it will be appreciated by those of skill in the art that some embodiments described herein include other embodiments
In included some features rather than further feature, but the combination of the feature of be the same as Example does not mean in of the invention
Within the scope of and form different embodiments.For example, in detail in the claims, embodiment claimed it is one of any
Mode it can use in any combination.
The present invention all parts embodiment can be realized with hardware, or with one or more processor run
Software module realize, or realized with combinations thereof.It will be understood by those of skill in the art that can use in practice
Microprocessor or digital signal processor (DSP) realize some moulds in article analytical equipment according to embodiments of the present invention
The some or all functions of block.The present invention is also implemented as the part or complete for performing method as described herein
The program of device (for example, computer program and computer program product) in portion.Such program for realizing the present invention can be stored
On a computer-readable medium, or can have one or more signal form.Such signal can be from internet
Download and obtain on website, either provide or provided in any other form on carrier signal.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference symbol between bracket should not be configured to limitations on claims.Word "comprising" is not excluded the presence of not
Element listed in the claims or step.Word "a" or "an" before element does not exclude the presence of multiple such
Element.The present invention can be by means of including the hardware of some different elements and coming real by means of properly programmed computer
It is existing.In if the unit claim of equipment for drying is listed, several in these devices can be by same hardware branch
To embody.The use of word first, second, and third does not indicate that any order.These words can be explained and run after fame
Claim.
The foregoing is only a specific embodiment of the invention or to the explanation of embodiment, protection of the invention
Scope is not limited thereto, any one skilled in the art the invention discloses technical scope in, can be easily
Expect change or replacement, should all be included within the scope of the present invention.Protection scope of the present invention should be with claim
Protection domain is defined.
Claims (17)
1. a kind of human face image collecting device, it is characterised in that at least include：Image acquisition units, first sensor unit, control
Processing unit processed, the first communication bus, the second communication bus, wherein,
Described image collecting unit, is connected by first communication bus with the control process unit, for gathering target
The image of destination object in region；
The first sensor unit, is connected by second communication bus with the control process unit, including at least one
Individual sensor, for detected target object, wherein, the induction region of the first sensor unit includes the target area；
The control process unit, for receiving the data letter that described image collecting unit, the first sensor unit are sent
Cease and carry out control process.
2. device according to claim 1, it is characterised in that
The first sensor unit, is additionally operable to detecting the instruction of generation first when destination object is in the target area
Signal；
The control process unit, is additionally operable to when receiving first indication signal, opens described image collecting unit and comes
The image of destination object in the target area is gathered, and when being not received by first indication signal, is closed described
Image acquisition units keep described image collecting unit to be closed.
3. human face image collecting device according to claim 1, it is characterised in that also including second sensor unit, institute
Second sensor unit is stated on the first direction of described image collecting unit, apart from the spacing of described image collecting unit one
From, including along at least two sensors being spaced of first direction setting, at least two sensor is having mesh
Mark object generates the second indication signal for including respective identification information respectively when entering respective induction region,
The control process unit, is additionally operable to described the based on each sensor generation in the second sensor unit
The time difference of two indication signals determines whether that destination object enters the target area from the first direction, and it is determined that having
Destination object opens described image collecting unit to gather the target area when entering the target area from the first direction
The image of destination object in domain.
4. device according to claim 3, it is characterised in that the control process unit is it is determined that have destination object from institute
First direction is stated into unlatching described image collecting unit during the target area, including：
The control process unit it is determined that have destination object since the first direction enter the target area when timing,
Described image collecting unit is opened when timing reaches very first time interval.
5. human face image collecting device according to claim 3, it is characterised in that also including 3rd sensor unit, institute
3rd sensor unit is stated in the second direction of described image collecting unit, apart from the spacing of described image collecting unit one
From, including along at least two sensors being spaced of second direction setting, at least two sensor is having mesh
Mark object generates the 3rd indication signal for including respective identification information respectively when entering respective induction region,
The control process unit is additionally operable to the described 3rd based on each sensor generation in the 3rd sensing unit
The time difference of indication signal determines whether that destination object enters the target area from the second direction, and it is determined that there is mesh
Mark object opens described image collecting unit to gather the target area when entering the target area from the third direction
The image of interior destination object.
6. device according to claim 5, it is characterised in that the control process unit is it is determined that have destination object from institute
Second direction is stated into unlatching described image collecting unit during the target area, including：
The control process unit it is determined that have destination object since the second direction enter the target area when timing,
Described image collecting unit is opened when timing reaches the second time interval.
7. the human face image collecting device according to any one of claim 1 to 6, it is characterised in that the sensor is red
Outer sensor.
8. the human face image collecting device according to any one of claim 1 to 6, it is characterised in that
The control process unit, is additionally operable to carry out human face detection and recognition to the image that described image collecting unit is gathered.
9. the human face image collecting device according to any one of claim 1 to 6, it is characterised in that also include：Face datection
Recognition unit, the Face datection recognition unit is used to carry out Face datection and knowledge to the image that described image collecting unit is gathered
Not,
The control process unit, is additionally operable to open the Face datection recognition unit when opening described image collecting unit
Face datection identification is carried out, and the Face datection recognition unit, Yi Ji are closed when closing described image collecting unit
The Face datection recognition unit is kept to be closed when keeping described image collecting unit to be closed.
10. the human face image collecting device according to claim 5 or 6, it is characterised in that described image collecting unit, institute
State Face datection recognition unit and the control process unit be embodied as the tablet device with front camera and processor,
The first sensor unit is arranged in the tablet device or tablet device top,
Second sensor unit tablet device certain distance described in distance on the first direction of the tablet device is set,
3rd sensor unit tablet device certain distance described in distance in the second direction of the tablet device is set.
11. a kind of man face image acquiring method, it is characterised in that including：
Detect whether that destination object enters target area by first sensor unit, and be in having detected destination object
The first indication signal is generated during the target area；
When receiving first indication signal, open described image collecting unit to gather destination object in the target area
Image, and when being not received by first indication signal, close described image collecting unit or keep described image
Collecting unit is closed,
Wherein, the first sensor unit includes at least one sensor, for detected target object, the first sensor
The induction region of unit includes the target area.
12. image-pickup method according to claim 11, it is characterised in that also include：
Detect whether that destination object enters the target area from first direction by second sensor unit, wherein, it is described
Second sensor unit is located on the first direction of described image collecting unit, apart from the spacing of described image collecting unit one
From, including along at least two sensors being spaced of first direction setting, at least two sensor is having mesh
Mark object generates the second indication signal for including respective identification information respectively when entering respective induction region；
Time difference based on second indication signal of each sensor generation in the second sensor unit determines
Whether there is destination object to enter the target area from the first direction, and it is determined that having destination object from the first direction
The image of destination object in the target area is gathered into described image collecting unit is opened during the target area.
13. image-pickup method according to claim 12, it is characterised in that it is determined that having destination object from described first
Described image collecting unit is opened in direction when entering the target area, including：
It is determined that have destination object since the first direction enter the target area when timing, when timing reach first when
Between be spaced when open described image collecting unit.
14. image-pickup method according to claim 12, it is characterised in that also include：
Detect whether that destination object enters the target area from second direction by 3rd sensor unit, wherein, it is described
3rd sensor unit is located in the second direction of described image collecting unit, apart from described image collecting unit certain distance,
Including at least two sensors being spaced set along the second direction, at least two sensor is having target pair
Include the 3rd indication signal of respective identification information as being generated respectively when entering respective induction region；
Time difference based on the 3rd indication signal of each sensor generation in the 3rd sensing unit determines
It is no to there is destination object to enter the target area from the second direction, and it is determined that there is destination object to enter from the third direction
Described image collecting unit is opened when entering the target area to gather the image of destination object in the target area.
15. image-pickup method according to claim 14, it is characterised in that it is determined that having destination object from described second
Described image collecting unit is opened in direction when entering the target area, including：
It is determined that have destination object since the second direction enter the target area when timing, when timing reach second when
Between be spaced when open described image collecting unit.
16. the man face image acquiring method according to any one of claim 10 to 15, it is characterised in that the sensor is
Infrared sensor.
17. the man face image acquiring method according to any one of claim 10 to 15, it is characterised in that also include：
The image gathered by Face datection recognition unit to described image collecting unit carries out human face detection and recognition,
Also, open the Face datection recognition unit to carry out Face datection identification when opening described image collecting unit,
And the Face datection recognition unit is closed when closing described image collecting unit, and keeping described image collection single
The Face datection recognition unit is kept to be closed when member is closed.
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