CN107341466A - Control method, electronic installation and computer-readable recording medium - Google Patents
Control method, electronic installation and computer-readable recording medium Download PDFInfo
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- CN107341466A CN107341466A CN201710523728.6A CN201710523728A CN107341466A CN 107341466 A CN107341466 A CN 107341466A CN 201710523728 A CN201710523728 A CN 201710523728A CN 107341466 A CN107341466 A CN 107341466A
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- 238000009434 installation Methods 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000001815 facial effect Effects 0.000 claims abstract description 50
- 230000001133 acceleration Effects 0.000 claims description 21
- 230000000007 visual effect Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 5
- 241001300078 Vitrea Species 0.000 description 4
- 210000003128 head Anatomy 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/19—Sensors therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
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Abstract
The invention discloses a kind of control method, and for electronic installation, electronic installation includes iris recognition module, and iris recognition module includes infrared light supply and infrared camera, and infrared camera includes infrared image sensor.The control method includes：Gather facial image；Facial image is handled to identify human eye area；Control infrared light supply corresponds to being expert at for human eye area when infrared image sensor row exposes and starts to start during exposure；Being expert at after end exposure for human eye area is corresponded to when infrared image sensor row exposes with control infrared light supply to close.In addition, the invention also discloses a kind of electronic installation and computer-readable recording medium.Control method, electronic installation and the computer-readable recording medium of the present invention starts infrared light supply when infrared image sensor is imaged to human eye area, infrared light supply is closed or remained turned-off when infrared image sensor is not imaged to human eye area, so as to reduce the electric quantity consumption of infrared light supply and avoid infrared light supply from generating heat.
Description
Technical field
The present invention relates to electronic installation, more particularly to a kind of control method, electronic installation and computer-readable recording medium.
Background technology
Iris recognition generally requires infrared light supply auxiliary infrared camera and obtains clearly iris image, but infrared light supply
Observable index it is higher, and heating is serious when working, and is not suitable for opening for a long time.
The content of the invention
Embodiments of the present invention provide a kind of control method, electronic installation and computer-readable recording medium.
A kind of control method of embodiments of the present invention, for electronic installation, the electronic installation includes iris recognition
Module, the iris recognition module include infrared light supply and infrared camera, and the infrared camera includes infrared image sensing
Device, the control method comprise the following steps：
Gather facial image；
The facial image is handled to identify human eye area；
The infrared light supply is controlled to correspond to being expert at for the human eye area when the infrared image sensor row exposes
Start to start during exposure；With
The infrared light supply is controlled to correspond to being expert at for the human eye area when the infrared image sensor row exposes
Closed after terminating exposure.
A kind of electronic installation of embodiments of the present invention, including：
Iris recognition module, the iris recognition module include infrared light supply and infrared camera, the infrared camera
Including infrared image sensor；With
Processor, the processor are used for：
Gather facial image；
The facial image is handled to identify human eye area；
The infrared light supply is controlled to correspond to being expert at for the human eye area when the infrared image sensor row exposes
Start to start during exposure；With
The infrared light supply is controlled to correspond to being expert at for the human eye area when the infrared image sensor row exposes
Closed after terminating exposure.
A kind of electronic installation of embodiments of the present invention, including：
Iris recognition module；
One or more processors；
Memory；And
One or more programs, wherein one or more of programs are stored in the memory, and it is configured
By one or more of computing devices, described program is used for the instruction for performing the control method.
A kind of computer-readable recording medium of embodiments of the present invention, including the calculating being used in combination with electronic installation
Machine program, the computer program can be executed by processor to complete the control method.
Control method, electronic installation and the computer-readable recording medium of embodiment of the present invention are in infrared image sensor
Start infrared light supply when being imaged to human eye area, close or remain turned-off when infrared image sensor is not imaged to human eye area
Infrared light supply, so as to reduce the electric quantity consumption of infrared light supply and avoid infrared light supply from generating heat.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention is from combining in description of the accompanying drawings below to embodiment by change
Obtain substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic flow sheet of the control method of embodiment of the present invention；
Fig. 2 is the floor map of the electronic installation of embodiment of the present invention；
Fig. 3 is another schematic flow sheet of the control method of embodiment of the present invention；
Fig. 4 is another schematic flow sheet of the control method of embodiment of the present invention；
Fig. 5 is another floor map of the electronic installation of embodiment of the present invention；
Fig. 6 is another schematic flow sheet of the control method of embodiment of the present invention；
Fig. 7 is another floor map of the electronic installation of embodiment of the present invention；
Fig. 8 is the infrared light supply, infrared camera, the view of visible image capturing head of embodiment of the present invention；
Fig. 9 is another floor map of the electronic installation of embodiment of the present invention；
Figure 10 is another schematic flow sheet of the control method of embodiment of the present invention；
Figure 11 is another schematic flow sheet of the control method of embodiment of the present invention；
Figure 12 is another schematic flow sheet of the control method of embodiment of the present invention；
Figure 13 is another schematic flow sheet of the control method of embodiment of the present invention；
Figure 14 is another schematic flow sheet of the control method of embodiment of the present invention；
Figure 15 is another floor map of the electronic installation of embodiment of the present invention；
Figure 16 is the connection diagram that the electronic installation of embodiment of the present invention and calculating connect readable storage medium storing program for executing.
Main element symbol description：
Electronic installation 100, iris recognition module 20, infrared light supply 22, infrared camera 24, infrared image sensor 242,
Processor 30, acceleration transducer 40, visible image capturing are first 50, housing 60, preceding surface 62, memory 70, computer-readable deposit
Storage media 800.
Embodiment
Embodiments of the present invention are described below in detail, the embodiment of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the present invention, and it is not intended that to limit of the invention
System.
Also referring to Fig. 1 and Fig. 2, the control method of embodiment of the present invention can be used for electronic installation 100.Electronics fills
Putting 100 includes iris recognition module 20, and iris recognition module 20 includes infrared light supply 22 and infrared camera 24, infrared camera
24 include infrared image sensor 242.Control method comprises the following steps：
S312：Gather facial image；
S314：Facial image is handled to identify human eye area；
S316：Control infrared light supply 22 corresponds to being expert at out for human eye area when the row of infrared image sensor 242 exposes
Begin to start during exposure；With
S318：Control infrared light supply 22 corresponds to the knot of being expert at of human eye area when the row of infrared image sensor 242 exposes
Closed after beam exposure.
Referring to Fig. 2, the electronic installation 100 of embodiment of the present invention includes iris recognition module 20 and processor
30.Iris recognition module 20 includes infrared light supply 22 and infrared camera 24, and infrared camera 24 includes infrared image sensor
242.Processor 30 is used for：
Gather facial image；
Facial image is handled to identify human eye area；
Control infrared light supply 22 corresponds to being expert at for human eye area when the row of infrared image sensor 242 exposes and starts to expose
Shi Qidong；With
Control infrared light supply 22 corresponds to the end exposure of being expert at of human eye area when the row of infrared image sensor 242 exposes
After close.
In other words, the control method of embodiment of the present invention can be real by the electronic installation 100 of embodiment of the present invention
It is existing, wherein, step S312, S314, S316 and S318 can be realized by processor 30.
The control method of embodiment of the present invention and electronic installation 100 infrared image sensor 242 to human eye area into
Start infrared light supply 22 during picture, close or remain turned-off infrared light when infrared image sensor 242 is not imaged to human eye area
Source 22, so as to reduce the electric quantity consumption of infrared light supply 22 and avoid infrared light supply 22 from generating heat.
In some embodiments, infrared light supply 22 be refer to produce infra-red radiation (infrared light) light source, infrared spoke
It is a range of electromagnetic radiation of the wavelength more than red wavelengths to penetrate.
In embodiments of the present invention, infrared image sensor 242 can be the image sensing for referring to obtain infrared light
Device.The infrared image sensor 242 of infrared camera 24 is operated with the pattern of row exposure, i.e. infrared image sensor 242
The photosensitive pixel (such as photodiode) of the first row, which first exposes, obtains view data, the light-sensitive image of the second row after the first row exposure
Element is exposed again, the like, until image data acquiring finishes.
It is appreciated that human eye area typically only occupies a part for facial image, and the iris information needed for iris recognition
Obtained in iris region corresponding to human eye area, therefore in order to strengthen iris information of the electronic installation 100 in iris recognition
Ability, only it can start infrared light when infrared camera 24 (i.e. infrared image sensor 242) is exposed to human eye area
Source 22, so as to infrared light supply 22 can by the detailed information of the iris of iris region corresponding to human eye area (such as spot, filament,
Coronal, striped, crypts etc.) it is exposed, and then improve the success rate of iris recognition.
Therefore, infrared light supply 22 is started when infrared camera 24 is exposed to human eye area, in infrared camera 24
Infrared light supply 22 is closed when region outside to human eye area is exposed.In other words, infrared light supply is controlled to be passed in infrared image
The row of sensor 242 corresponds to being expert at for human eye area and starts to remain turned-off before exposing when exposing；Infrared light supply 22 is controlled in infrared figure
Being expert at for human eye area is corresponded to when exposing as the row of sensor 242 to start to start during exposure；Infrared light supply 22 is controlled in infrared figure
Closed after the end exposure of being expert at of human eye area is corresponded to when being exposed as the row of sensor 242.It should be noted that human eye area
It is expert at and starts to refer to that human eye area starts the first row occurred, the end of being expert at of human eye area can refers to people's Vitrea eye
Last column that domain occurs.
In some embodiments, electronic installation 100 includes mobile phone, notebook computer, tablet personal computer, intelligent watch or intelligence
Can glasses.In embodiments of the present invention, electronic installation 100 is mobile phone.
Referring to Fig. 3, in some embodiments, control method comprises the following steps：
S322：Judge whether to receive iris recognition request；
S324：Enter step S312 when receiving iris recognition request；With
S326：The return to step S322 when not receiving iris recognition request.
Referring to Fig. 2, in some embodiments, processor 30 is used for：
Judge whether to receive iris recognition request；
The step of entering collection facial image when receiving iris recognition request；With
The step of judging whether to receive iris recognition request is returned when not receiving iris recognition request.
In other words, step S322, S324 and S326 can be realized by processor 30.
In this way, facial image can be just acquired when receiving iris recognition request, so as to reduce electronic installation 100
Electric quantity consumption.
Specifically, processor 30 first judges whether electronic installation 100 receives iris recognition request, please receiving iris recognition
Facial image is just acquired when asking；Do not receive iris recognition request when electronic installation 100 without gather facial image, and
It is to continue with judging whether to receive iris recognition request, so as to avoid electronic installation 100 from gathering facial image always, and then reduces electricity
The electric quantity consumption of sub-device 100, lift the endurance of electronic installation 100.
Also referring to Fig. 4 and Fig. 5, in some embodiments, electronic installation 100 includes acceleration transducer 40.Step
Rapid S322 comprises the following steps：
S3222：The output signal of acceleration transducer 40 is handled to judge whether electronic installation 100 is grasped in a predefined manner
Make；With
S3224：Determine to receive iris recognition request when electronic installation 100 operates in a predefined manner.
Referring to Fig. 5, in some embodiments, electronic installation 100 includes acceleration transducer 40.Processor 30
For：
The output signal of acceleration transducer 40 is handled to judge whether electronic installation 100 operates in a predefined manner；With
Determine to receive iris recognition request when electronic installation 100 operates in a predefined manner.
In other words, step S3222 and S3224 can be realized by processor 30.
In this way, it can judge whether electronic installation 100 receives iris recognition request by acceleration transducer 40, so as to letter
Change the operation sequence of user, facilitate use of the user to electronic installation 100.
Specifically, acceleration transducer 40 can be used for the acceleration of detection electronic installation 100, and processor 30, which obtains, to be accelerated
The output signal (acceleration that such as acceleration transducer 40 detects) of sensor 40 is spent, so as to obtain the behaviour of electronic installation 100
Make mode, then judge whether electronic installation 100 operates in a predefined manner, it is true when electronic installation 100 operates in a predefined manner
Surely iris recognition request is received.In one embodiment, predetermined way is that left and right translates two back and forth in 2 seconds, acceleration sensing
The acceleration of the detection electronic installation 100 of device 40, when the acceleration for detecting electronic installation 100 direction in 2 seconds for the left, from
Become to the left to the right, from become to the right to the left, from when becoming to the right to the left, judging that electronic installation 100 operates in a predefined manner, from
And determine electronic installation 100 and receive iris recognition request.It should be noted that processor 30 is by handling acceleration transducer 40
The acceleration of the electronic installation 100 of acquisition may determine that the movement locus of electronic installation 100, and predetermined way may also mean that pre-
Fixed movement locus, such as arc, circle, V-arrangement.For example, when user picks up electronic installation 100, electronic installation 100 is from remote
The position of user face is moved to the position of close user face, and during which the movement locus of electronic installation 100 is generally arc, because
Predetermined way can be arranged to arc by this, then the acceleration of the electronic installation 100 obtained by acceleration transducer 40 judges
Whether the movement locus of electronic installation 100 is arc to determine whether to receive iris recognition request.
Also referring to Fig. 6 and Fig. 7, in some embodiments, electronic installation 100 includes visible image capturing first 50.Step
Rapid S312 comprises the following steps：
S3122：Control the first 50 collection facial image of visible image capturing.
Referring to Fig. 7, in some embodiments, electronic installation 100 includes visible image capturing first 50.Processor 30
For：
Control the first 50 collection facial image of visible image capturing.
In other words, step S3122 can be realized by processor 30.
In this way, it can rapidly gather facial image using visible image capturing first 50.
It is appreciated that electronic installation 100, in order to realize the diversity of function, electronic installation 100 can be taken the photograph including visible ray
Coloured image is obtained with utilization visible image capturing first 50 as first 50.Due to correlation technique (such as controlling party of visible image capturing first 50
Method or image processing method etc.) comparative maturity, it can rapidly gather facial image using visible image capturing first 50.
Referring to Fig. 8, in some embodiments, the illumination zone of infrared light supply 22, the visual field of infrared camera 24 and
The visual field of visible image capturing first 50 is least partially overlapped.
In this way, infrared light supply 22, infrared camera 24 and visible image capturing first 50 can cooperate.
Specifically, infrared light supply 22 and infrared camera 24 need cooperative cooperating to realize collection iris image, can incite somebody to action
Infrared light supply 22 and infrared camera 24 are arranged on the same side on electronic installation 100, and by infrared light supply 22 and infrared take the photograph
It is disposed adjacent as first 24, so that the infrared light that infrared light supply 22 is launched can be adopted after body surface by infrared camera 24
Collect.In addition, the visual field at least portion of the illumination zone of infrared light supply 22, the visual field of infrared camera 24 and visible image capturing first 50
It is point overlapping that electronic installation 100 can be facilitated to gather iris image, for example, the first 50 collection face figure of visible image capturing can be utilized
Picture, so as to determine human eye area according to facial image and the startup and closing of infrared light supply 22 are controlled according to human eye area, and then
Infrared camera 24 can obtain the iris image of human eye area.
Referring to Fig. 9, in some embodiments, electronic installation 100 includes housing 60, housing 60 includes preceding surface 62,
Iris recognition module 20 and visible image capturing first 50 are arranged in housing 60 and exposed from preceding surface 62.
In this way, the housing 60 of electronic installation 100 can be utilized to protect iris recognition module 20 and first 50 He of visible image capturing
It is easy to iris recognition module 20 and visible image capturing first 50 to be operated.
Specifically, iris recognition module 20 and visible image capturing first 50 is arranged in housing 60, housing 60 can be utilized
Iris recognition module 20 and visible image capturing first 50 are protected in the effect of dustproof and waterproof, so as to avoid iris recognition module 20 and can
Light video camera head 50 is seen by the damage of extraneous factor and influences its progress normal work.In addition, by iris recognition module 20 and can
Seeing that light video camera head 50 exposes from preceding surface 62 can facilitate iris recognition module 20 and visible image capturing first 50 to be operated, and avoid
The infrared camera 24 and the first 50 collection light of visible image capturing of iris recognition module 20 are influenceed, so that it is guaranteed that iris recognition module
20 and visible image capturing first 50 being capable of efficient operation.
Referring to Fig. 10, in some embodiments, step S312 comprises the following steps：
S3124：Infrared camera 24 is controlled to gather facial image.
Referring to Fig. 2, in some embodiments, processor 30 is used for：
Infrared camera 24 is controlled to gather facial image.
In other words, step S3124 can be realized by processor 30.
In this way, infrared camera 24 can be utilized to gather image.
It is appreciated that in embodiments of the present invention, facial image is used to identify human eye area with according to human eye area
Position controls infrared light supply 22, thus less demanding for the quality (such as color, resolution ratio) of facial image, therefore can profit
Facial image (gray level image) is gathered with infrared camera 24, so as to be obtained using the facial image of the collection of infrared camera 24
Human eye area.In one embodiment, electronic installation 100 includes infrared camera 24 without possessing visible image capturing first 22, profit
The control method of embodiment of the present invention can be realized by gathering facial image with infrared camera 24.
In some embodiments, can be in infrared camera in order to improve the human eye area recognition efficiency of facial image
Starting infrared light supply 22 during 24 collection facial image, its mid-infrared light source 22 can be started with relatively low power, such as with
50% energetic start up of rated power, so as to reduce the electric quantity consumption of infrared light supply 22 and avoid infrared light supply 22 from generating heat.
Figure 11 is referred to, in some embodiments, control method comprises the following steps：
S328：Determine that human eye area is expert at the position of beginning；
S332：Time delay is determined according to the be expert at position of beginning of human eye area；
S334：Receive the frame synchronizing signal that infrared image sensor 242 is sent；
S336：Infrared figure is determined after the time delay for the frame synchronizing signal for receiving the transmission of infrared image sensor 242
Being expert at for human eye area is corresponded to when exposing as the row of sensor 242 to start to expose.
Referring to Fig. 2, in some embodiments, processor 30 is used for：
Determine that human eye area is expert at the position of beginning；
Time delay is determined according to the be expert at position of beginning of human eye area；
Receive the frame synchronizing signal that infrared image sensor 242 is sent；
Infrared image sensing is determined after the time delay for the frame synchronizing signal for receiving the transmission of infrared image sensor 242
The row of device 242 corresponds to being expert at for human eye area when exposing and starts to expose.
In other words, step S328, S332, S334 and S336 can be realized by processor 30.
So, it may be determined that whether the row of infrared image sensor 242 corresponds to being expert at for human eye area when exposing starts to expose
Light, so as to control the startup of infrared light supply 22 exactly.
Specifically, it is determined that human eye area is expert at, the position of beginning can be by handling facial image, so as to really
Determine the position of human eye area and its be expert at beginning；Time delay is determined further according to the be expert at position of beginning of human eye area, than
Position such as beginning that human eye area is expert at is the 101st row, i.e. time delay is infrared image sensor 242 from the 1st row to the
100 rows are exposed the required time, it is necessary to which explanation, infrared image sensor 242 is exposed to identical line number can
Different time delay can be needed, when the value of time delay might also depend on infrared image sensor 242 and expose required
Between, and infrared image sensor 242 expose the required time typically can be by ambient brightness and infrared image sensor 242
Sensitivity determines, in one embodiment, the be expert at position of beginning of human eye area is the 101st row, infrared image sensor 242
The time being exposed to a line is 1ms, time delay 1ms*100=100ms.
It is appreciated that infrared image sensor 242 can typically send frame synchronizing signal when starting to gather image, handle
After device 30 receives frame synchronizing signal, it may be determined that infrared image sensor 242 gathers image, therefore same receiving frame
After the time delay for walking signal, it may be determined that the row of infrared image sensor 242 corresponds to the beginning of being expert at of human eye area when exposing
Exposure, and then the startup of infrared light supply 22 can be controlled to aid in infrared image sensor 242 to obtain the image of human eye area.
Figure 12 is referred to, in some embodiments, step S328 comprises the following steps：
S3282：Determine that human eye area the top position is expert at；
S3284：It is expert at up to move predetermined number of lines and obtain human eye area according to the top position and is expert at the position of beginning
Put.
Referring to Fig. 2, in some embodiments, processor 30 is used for：
Determine that human eye area the top position is expert at；
It is expert at up to move predetermined number of lines and obtain human eye area according to the top position and is expert at the position of beginning.
In other words, step S3282 and S3284 can be realized by processor 30.
In this way, with pre-cooling infrared light supply 22 infrared light supply 22 can be avoided to start not in time.
Specifically, the infrared light supply 22 of embodiment of the present invention corresponds to human eye when the row of infrared image sensor 242 exposes
Being expert at for region starts to start during exposure, wherein it is possible to determine the row of infrared image sensor 242 according to above-mentioned time delay
Being expert at for human eye area whether is corresponded to during exposure to start to expose, due to issuable error when imaging sensor 242 works,
Can cause infrared image sensor 242 have begun to human eye area be expert at start exposure when, above-mentioned time delay does not have also
Terminate, i.e., infrared light supply 22 not yet starts, therefore imaging of the infrared image sensor 242 to human eye area is unintelligible, can not obtain
Take accurate iris information.Therefore, it can be expert at according to human eye area the top position and up move predetermined number of lines to obtain
Human eye area is expert at the position of beginning, so as to shorten time delay, i.e., opens infrared light supply 22 in advance.
Figure 13 is referred to, in some embodiments, control method comprises the following steps：
S338：Determine that human eye area is expert at the position of end；
S342：The position of beginning is expert at according to human eye area and the position of end of being expert at determines the duration；
S344：Duration after the time delay for the frame synchronizing signal for receiving the transmission of infrared image sensor 242
Determine that the end of being expert at that human eye area is corresponded to during the exposure of the row of infrared image sensor 242 exposes afterwards.
Referring to Fig. 2, in some embodiments, processor 30 is used for：
Determine that human eye area is expert at the position of end；
The position of beginning is expert at according to human eye area and the position of end of being expert at determines the duration；
Determined after duration after the time delay for the frame synchronizing signal for receiving the transmission of infrared image sensor 242
The row of infrared image sensor 242 corresponds to the end exposure of being expert at of human eye area when exposing.
In other words, step S338, S342 and S344 can be realized by processor 30.
So, it may be determined that whether the row of infrared image sensor 242 corresponds to human eye area end of being expert at when exposing exposes
Light, so as to control the closing of infrared light supply 22 exactly.
Specifically, it is determined that human eye area is expert at, the position of end can be by handling facial image, so as to really
Determine the position of human eye area and its be expert at end；Further according to human eye area be expert at beginning position and the position of end of being expert at
Put and determine the duration, for example the be expert at position of beginning of human eye area is the 101st row, the position for end of being expert at is the 200th
OK, i.e., the duration is that infrared image sensor 242 is exposed the required time, it is necessary to illustrate from the 101st row to the 200th row
, infrared image sensor 242 is exposed to identical line number may need different time delays, and time delay takes
Value might also depend on infrared image sensor 242 and expose the required time, and when infrared image sensor 242 exposes required
Between can typically be determined by the sensitivity of ambient brightness and infrared image sensor 242, in one embodiment, human eye area
The position of be expert at beginning is the 101st row, and the position for end of being expert at is the 200th row, and infrared image sensor 242 is advanced to one
The time of row exposure is 1ms, duration 1ms*100=100ms.
It is appreciated that continue after the time delay for the frame synchronizing signal for receiving the transmission of infrared image sensor 242
Determine that correspond to being expert at for human eye area during the exposure of infrared image sensor 242 row terminates to expose after time, i.e., receive it is red
Complete to adopt human eye area after duration after the time delay for the frame synchronizing signal that outer imaging sensor 242 is sent
Collection, therefore infrared light supply 22 can be closed.
Figure 14 is referred to, in some embodiments, step S338 comprises the following steps：
S3382：Determine that human eye area lowest positions are expert at；
S3384：The predetermined number of lines that moves down of being expert at according to lowest positions obtains human eye area and is expert at the position of end
Put.
Referring to Fig. 2, in some embodiments, processor 30 is used for：
Determine that human eye area lowest positions are expert at；
The predetermined number of lines that moves down of being expert at according to lowest positions obtains human eye area and is expert at the position of end.
In other words, step S3382 and S3384 can be realized by processor 30.
In this way, with late release infrared light supply 22 infrared light supply 22 can be avoided to close in advance.
Specifically, the infrared light supply 22 of embodiment of the present invention corresponds to human eye when the row of infrared image sensor 242 exposes
Closed after the end exposure of being expert in region, wherein it is possible to determine the row of infrared image sensor 242 according to the above-mentioned duration
Whether the be expert at end exposure of human eye area is corresponded to during exposure, due to issuable error when imaging sensor 242 works,
Can cause infrared image sensor 242 also not to human eye area be expert at start exposure when, the above-mentioned duration is over,
I.e. infrared light supply 22 is closed in advance, therefore imaging of the infrared image sensor 242 to human eye area is unintelligible, and it is accurate to obtain
Iris information.Therefore, it can be expert at according to human eye area lowest positions and move down predetermined number of lines to obtain people's Vitrea eye
Domain is expert at the position of end, so as to increase duration, i.e. late release infrared light supply 22.
In some embodiments, predetermined number of lines is expert at what is be expert at the top position less than or equal to lowest positions
Difference.
So, it is possible to reduce the electric quantity consumption of infrared light supply 22 and avoid infrared light supply 22 from generating heat.
Specifically, predetermined number of lines is too small, when easily there is the iris information that infrared image sensor 242 obtains human eye area
Infrared light supply 22 does not start；Predetermined number of lines is too big, and the working time of infrared light supply 22 is oversize, easily cause electric quantity consumption it is excessive and
There is heating problem, therefore predetermined number of lines can be set as being expert at less than or equal to lowest positions and is expert at the top position
Difference, i.e., predetermined number of lines be less than or equal to human eye vertical direction size.In one embodiment, the preferable of predetermined number of lines takes
It is worth the difference be expert at by the lowest positions of human eye area and be expert at the top position.It should be noted that in people's Vitrea eye
Domain be located at facial image close to the top position when, the position of the beginning of being expert at of human eye area can be the 1st row；In people
Vitrea eye domain be located at facial image close to bottom position when, the position of the end of being expert at of human eye area can be last 1
OK.
Refer to Figure 15, the electronic installation 100 of embodiment of the present invention includes iris recognition module 20, at one or more
Manage device 30, memory 70 and one or more programs.Wherein one or more programs are stored in memory 70, and by
Configuration is performed by one or more processors 30, and program is used for the finger for performing the control method of any of the above-described embodiment of the present invention
Order.
For one of example, program can be used for the instruction for performing following control method：
S312：Gather facial image；
S314：Facial image is handled to identify human eye area；
S316：Control infrared light supply 22 corresponds to being expert at out for human eye area when the row of infrared image sensor 242 exposes
Begin to start during exposure；With
S318：Control infrared light supply 22 corresponds to the knot of being expert at of human eye area when the row of infrared image sensor 242 exposes
Closed after beam exposure.
Refer to Figure 16, the computer-readable recording medium 800 of embodiment of the present invention, including with the knot of electronic installation 100
The computer program used is closed, computer program can be performed by processor 30 to complete the control of any of the above-described embodiment of the present invention
Method processed.
For one of example, computer program can be performed by processor 30 to complete following control method：
S312：Gather facial image；
S314：Facial image is handled to identify human eye area；
S316：Control infrared light supply 22 corresponds to being expert at out for human eye area when the row of infrared image sensor 242 exposes
Begin to start during exposure；With
S318：Control infrared light supply 22 corresponds to the knot of being expert at of human eye area when the row of infrared image sensor 242 exposes
Closed after beam exposure.
It is situated between it is pointed out that computer-readable recording medium 800 can be the storage being built in electronic installation 100
Matter or be plugged on electronic installation 100 storage medium with can plugging.
In the description of embodiments of the present invention, term " first ", " second " are only used for describing purpose, without being understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
One or more feature can be expressed or be implicitly included to the feature of " second ".In embodiments of the present invention
In description, " multiple " are meant that two or more, unless otherwise specifically defined.
, it is necessary to illustrate in the description of embodiments of the present invention, unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also lead to
Cross intermediary to be indirectly connected, can be connection or the interaction relationship of two elements of two element internals.For ability
For the those of ordinary skill in domain, it can understand that above-mentioned term in embodiments of the present invention specific contains as the case may be
Justice.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means the tool with reference to the embodiment or example description
Body characteristicses, structure, material or feature are contained at least one embodiment or example of the present invention.In this manual,
Identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific features of description, knot
Structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Any process or method described otherwise above description in flow chart or herein is construed as, and represents to include
Module, fragment or the portion of the code of the executable instruction of one or more the step of being used to realize specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processing module or other can be from instruction
The system of execution system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or
Equipment and use.For the purpose of this specification, " computer-readable medium " can be it is any can include, store, communicating, propagating or
Transmission program uses for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Device.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With one or more wiring
Electrical connection section (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium, which can even is that, to print the paper of described program thereon or other are suitable
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of embodiments of the present invention can be with hardware, software, firmware or combinations thereof come real
It is existing.In the above-described embodiment, multiple steps or method can use storage in memory and by suitable instruction execution system
The software or firmware of execution is realized.If for example, being realized with hardware, with another embodiment, ability can be used
Any one of following technology known to domain or their combination are realized：With for realizing logic function to data-signal
The discrete logic of logic gates, there is the application specific integrated circuit of suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method carries
Suddenly it is that by program the hardware of correlation can be instructed to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in various embodiments of the present invention can be integrated in a processing module, also may be used
To be that unit is individually physically present, can also two or more units be integrated in a module.It is above-mentioned integrated
Module can both be realized in the form of hardware, can also be realized in the form of software function module.The integrated module
If realized in the form of software function module and as independent production marketing or in use, a calculating can also be stored in
In machine read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (26)
1. a kind of control method, for electronic installation, it is characterised in that the electronic installation includes iris recognition module, described
Iris recognition module includes infrared light supply and infrared camera, and the infrared camera includes infrared image sensor, the control
Method processed comprises the following steps：
Gather facial image；
The facial image is handled to identify human eye area；
The infrared light supply is controlled to correspond to the beginning of being expert at of the human eye area when the infrared image sensor row exposes
Start during exposure；With
The infrared light supply is controlled to correspond to the end of being expert at of the human eye area when the infrared image sensor row exposes
Closed after exposure.
2. control method as claimed in claim 1, it is characterised in that the electronic installation includes visible image capturing head, described
The step of gathering facial image comprises the following steps：
The visible image capturing head is controlled to gather the facial image.
3. control method as claimed in claim 2, it is characterised in that the electronic installation includes housing, and the housing includes
Preceding surface, the iris recognition module and the visible image capturing head are arranged in the housing and exposed from the preceding surface.
4. control method as claimed in claim 2, it is characterised in that the illumination zone of the infrared light supply, described infrared take the photograph
As the visual field of head and the visual field of the visible image capturing head are least partially overlapped.
5. control method as claimed in claim 1, it is characterised in that described the step of gathering facial image includes following step
Suddenly：
The infrared camera is controlled to gather the facial image.
6. control method as claimed in claim 1, it is characterised in that the control method comprises the following steps：
Judge whether to receive iris recognition request；
The step of entering the collection facial image when receiving the iris recognition request；With
The step of judging whether to receive iris recognition request described in returning when not receiving the iris recognition request.
7. control method as claimed in claim 6, it is characterised in that the electronic installation includes acceleration transducer, described
Judge whether to comprise the following steps the step of receiving iris recognition request：
The output signal of the acceleration transducer is handled to judge whether the electronic installation operates in a predefined manner；With
Determine to receive the iris recognition request when the electronic installation operates in a predefined manner.
8. control method as claimed in claim 1, it is characterised in that the control method comprises the following steps：
Determine that the human eye area is expert at the position of beginning；
Time delay is determined according to the be expert at position of beginning of the human eye area；
Receive the frame synchronizing signal that the infrared image sensor is sent；
Determine that the infrared image passes after the time delay for the frame synchronizing signal that the infrared image sensor is sent is received
Sensor row corresponds to being expert at for the human eye area when exposing and starts to expose.
9. control method as claimed in claim 8, it is characterised in that described to determine that the human eye area is expert at the position of beginning
The step of putting comprises the following steps：
Determine that described human eye area the top position is expert at；
It is expert at up to move predetermined number of lines and obtain human eye area according to the top position and is expert at the position of beginning.
10. control method as claimed in claim 8, it is characterised in that the control method comprises the following steps：
Determine that the human eye area is expert at the position of end；
The position of beginning is expert at according to the human eye area and the position of end of being expert at determines the duration；
Institute is determined after the duration after receiving the time delay for the frame synchronizing signal that the infrared image sensor is sent
State the end exposure of being expert at that the human eye area is corresponded to during the exposure of infrared image sensor row.
11. control method as claimed in claim 10, it is characterised in that described to determine that the human eye area is expert at end
The step of position, comprises the following steps：
Determine that the human eye area lowest positions are expert at；
The predetermined number of lines that moves down of being expert at according to the lowest positions obtains human eye area and is expert at the position of end.
12. the control method as described in claim 9 or 11, it is characterised in that the predetermined number of lines is less than or equal to described most lower
End position is expert at the difference being expert at the top position.
A kind of 13. electronic installation, it is characterised in that including：
Iris recognition module, the iris recognition module include infrared light supply and infrared camera, and the infrared camera includes
Infrared image sensor；With
Processor, the processor are used for：
Gather facial image；
The facial image is handled to identify human eye area；
The infrared light supply is controlled to correspond to the beginning of being expert at of the human eye area when the infrared image sensor row exposes
Start during exposure；With
The infrared light supply is controlled to correspond to the end of being expert at of the human eye area when the infrared image sensor row exposes
Closed after exposure.
14. electronic installation as claimed in claim 13, it is characterised in that the electronic installation includes visible image capturing head, institute
Processor is stated to be used to control the visible image capturing head to gather the facial image.
15. electronic installation as claimed in claim 14, it is characterised in that the electronic installation includes housing, the housing bag
Preceding surface is included, the iris recognition module and the visible image capturing head are arranged in the housing and revealed from the preceding surface
Go out.
16. electronic installation as claimed in claim 14, it is characterised in that the illumination zone of the infrared light supply, described infrared
The visual field of camera and the visual field of the visible image capturing head are least partially overlapped.
17. electronic installation as claimed in claim 13, it is characterised in that the processor is used to control the infrared camera
Gather the facial image.
18. electronic installation as claimed in claim 13, it is characterised in that the processor is used for：
Judge whether to receive iris recognition request；
The step of entering the collection facial image when receiving the iris recognition request；With
The step of judging whether to receive iris recognition request described in returning when not receiving the iris recognition request.
19. electronic installation as claimed in claim 18, it is characterised in that the electronic installation includes acceleration transducer, institute
Processor is stated to be used for：
The output signal of the acceleration transducer is handled to judge whether the electronic installation operates in a predefined manner；With
Determine to receive the iris recognition request when the electronic installation operates in a predefined manner.
20. electronic installation as claimed in claim 13, it is characterised in that the processor is used for：
Determine that the human eye area is expert at the position of beginning；
Time delay is determined according to the be expert at position of beginning of the human eye area；
Receive the frame synchronizing signal that the infrared image sensor is sent；
Determine that the infrared image passes after the time delay for the frame synchronizing signal that the infrared image sensor is sent is received
Sensor row corresponds to being expert at for the human eye area when exposing and starts to expose.
21. electronic installation as claimed in claim 20, it is characterised in that the processor is used for：
Determine that described human eye area the top position is expert at；
It is expert at up to move predetermined number of lines and obtain human eye area according to the top position and is expert at the position of beginning.
22. electronic installation as claimed in claim 20, it is characterised in that the processor is used for：
Determine that the human eye area is expert at the position of end；
The position of beginning is expert at according to the human eye area and the position of end of being expert at determines the duration；
Institute is determined after the duration after receiving the time delay for the frame synchronizing signal that the infrared image sensor is sent
State the end exposure of being expert at that the human eye area is corresponded to during the exposure of infrared image sensor row.
23. electronic installation as claimed in claim 22, it is characterised in that the processor is used for：
Determine that the human eye area lowest positions are expert at；
The predetermined number of lines that moves down of being expert at according to the lowest positions obtains human eye area and is expert at the position of end.
24. the electronic installation as described in claim 21 or 23, it is characterised in that the predetermined number of lines is less than or equal to described most lower
End position is expert at the difference being expert at the top position.
A kind of 25. electronic installation, it is characterised in that including：
Iris recognition module；
One or more processors；
Memory；And
One or more programs, wherein one or more of programs are stored in the memory, and it is configured by institute
One or more processors execution is stated, described program is used for the finger that perform claim requires the control method described in 1-12 any one
Order.
A kind of 26. computer-readable recording medium, it is characterised in that including the computer program being used in combination with electronic installation,
The computer program can be executed by processor to complete the control method described in claim 1-12 any one.
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| CN201710523728.6A CN107341466B (en) | 2017-06-30 | 2017-06-30 | Control method, electronic device, and computer-readable storage medium |
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| CN201710523728.6A CN107341466B (en) | 2017-06-30 | 2017-06-30 | Control method, electronic device, and computer-readable storage medium |
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| CN107341466B CN107341466B (en) | 2020-01-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110674718A (en) * | 2019-09-17 | 2020-01-10 | 维沃移动通信有限公司 | Face recognition method and electronic equipment |
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| CN104573667A (en) * | 2015-01-23 | 2015-04-29 | 北京中科虹霸科技有限公司 | Iris recognition device improving iris image quality of mobile terminal |
| CN104933419A (en) * | 2015-06-30 | 2015-09-23 | 小米科技有限责任公司 | Method and device for obtaining iris images and iris identification equipment |
| CN105723697A (en) * | 2013-09-16 | 2016-06-29 | 英特尔公司 | Camera and light source synchronization for object tracking |
| CN105760739A (en) * | 2016-04-22 | 2016-07-13 | 上海与德通讯技术有限公司 | Iris-recognition-based unlocking method and system thereof |
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| CN105723697A (en) * | 2013-09-16 | 2016-06-29 | 英特尔公司 | Camera and light source synchronization for object tracking |
| CN104573667A (en) * | 2015-01-23 | 2015-04-29 | 北京中科虹霸科技有限公司 | Iris recognition device improving iris image quality of mobile terminal |
| CN104933419A (en) * | 2015-06-30 | 2015-09-23 | 小米科技有限责任公司 | Method and device for obtaining iris images and iris identification equipment |
| CN105760739A (en) * | 2016-04-22 | 2016-07-13 | 上海与德通讯技术有限公司 | Iris-recognition-based unlocking method and system thereof |
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| CN110674718A (en) * | 2019-09-17 | 2020-01-10 | 维沃移动通信有限公司 | Face recognition method and electronic equipment |
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