CN107633235A - Solve lock control method and Related product - Google Patents
Solve lock control method and Related product Download PDFInfo
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- CN107633235A CN107633235A CN201710890429.6A CN201710890429A CN107633235A CN 107633235 A CN107633235 A CN 107633235A CN 201710890429 A CN201710890429 A CN 201710890429A CN 107633235 A CN107633235 A CN 107633235A
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Abstract
The embodiment of the invention discloses one kind solution lock control method and Related product, applied to the mobile terminal comprising dual camera, the dual camera includes the first camera and second camera, and method includes：Face is shot by the dual camera, and determines human face region corresponding to the face, the human face region includes first area and second area；It is used as focusing to the first area by first camera to shoot, obtains the first facial image；It is used as focusing to the second area by the second camera to shoot, obtains the second facial image；First facial image and second facial image are synthesized, obtain target facial image, the target facial image unlocks for face.The embodiment of the present invention can be focused by dual camera to different zones in human face region, obtain two facial images, finally synthesize a facial image, and picture quality is more preferable.
Description
Technical field
The present invention relates to technical field of mobile terminals, and in particular to one kind solution lock control method and Related product.
Background technology
With a large amount of popularization and applications of mobile terminal (mobile phone, tablet personal computer etc.), the application that mobile terminal can be supported is got over
Come more, function is stronger and stronger, and mobile terminal develops towards variation, personalized direction, and turning into can not in user's life
The appliance and electronic lacked.
At present, recognition of face is increasingly favored by mobile terminal production firm, because environmental factor can change
Larger, the success rate of recognition of face is more difficult to get guarantee, especially under noctovision environment, because picture quality is poor, causes people
The success rate of face identification is relatively low, and therefore, the problem of how lifting face acquisition quality is urgently to be resolved hurrily.
The content of the invention
The embodiments of the invention provide one kind to solve lock control method and Related product, can lift the collection matter of facial image
Amount, so as to improve recognition of face efficiency.
In a first aspect, the embodiment of the present invention provides a kind of mobile terminal, including application processor (Application
Processor, AP), and the dual camera with the connection, the dual camera includes the first camera and the second shooting
Head, wherein,
The dual camera, for being shot to face, and human face region corresponding to the face is determined, the face
Region includes first area and second area；It is used as focusing to the first area by first camera to clap
Take the photograph, obtain the first facial image；And focusing is used as to the second area by the second camera and shot, obtain
To the second facial image；
The AP, for first facial image and second facial image to be synthesized, obtain target face
Image, the target facial image unlock for face.
Second aspect, the embodiments of the invention provide one kind to solve lock control method, applied to including application processor AP, with
And the mobile terminal with the dual camera of the connection, the dual camera include the first camera and second camera, wherein,
The dual camera is shot to face, and determines human face region corresponding to the face, the human face region
Include first area and second area；It is used as focusing to the first area by first camera to shoot, obtains
To the first facial image；And focusing is used as to the second area by the second camera and shot, obtain
Two facial images；
The AP is synthesized first facial image and second facial image, obtains target facial image,
The target facial image unlocks for face.
The third aspect, the embodiments of the invention provide one kind to solve lock control method, applied to the movement comprising dual camera
Terminal, the dual camera include the first camera and second camera, and methods described includes：
Face is shot by the dual camera, and determines human face region corresponding to the face, the face
Region includes first area and second area；
It is used as focusing to the first area by first camera to shoot, obtains the first facial image；
It is used as focusing to the second area by the second camera to shoot, obtains the second facial image；
First facial image and second facial image are synthesized, obtain target facial image, the mesh
Facial image is marked to unlock for face.
Fourth aspect, the embodiments of the invention provide one kind to solve lock control device, applied to the movement comprising dual camera
Terminal, the dual camera include the first camera and second camera, and the solution lock control device includes：
First determining unit, for being shot by the dual camera to face, and determine corresponding to the face
Human face region, the human face region include first area and second area；
First shooting unit, shot for being used as focusing to the first area by first camera,
Obtain the first facial image；
Second shooting unit, shot for being used as focusing to the second area by the second camera,
Obtain the second facial image；
Synthesis unit, for first facial image and second facial image to be synthesized, obtain target person
Face image, the target facial image unlock for face.
5th aspect, the embodiments of the invention provide a kind of mobile terminal, including：Application processor AP and memory；With
And one or more programs, one or more of programs are stored in the memory, and it is configured to by the AP
Perform, described program includes being used for such as the instruction of the part or all of step described in the third aspect.
6th aspect, the embodiments of the invention provide a kind of computer-readable recording medium, wherein, it is described computer-readable
Storage medium is used to store computer program, wherein, the computer program causes computer to perform such as the embodiment of the present invention the
The instruction of part or all of step described in three aspects.
7th aspect, the embodiments of the invention provide a kind of computer program product, wherein, the computer program product
Non-transient computer-readable recording medium including storing computer program, the computer program are operable to make calculating
Machine is performed such as the part or all of step described in the third aspect of the embodiment of the present invention.The computer program product can be one
Individual software installation bag.
Implement the embodiment of the present invention, have the advantages that：
As can be seen that solution lock control method and Related product described in the embodiment of the present invention, take the photograph applied to comprising double
As the mobile terminal of head, dual camera includes the first camera and second camera, face is shot by dual camera,
And human face region corresponding to face is determined, human face region includes first area and second area, by the first camera to first
Region is shot as focusing, obtains the first facial image, is used as focusing to second area by second camera and is clicked through
Row shooting, obtains the second facial image, the first facial image and the second facial image is synthesized, obtain target face figure
Picture, target facial image unlock for face, it is seen then that by determining human face region, and by dual camera in human face region
Different zones are focused, and obtain two facial images, and it is synthesized, and obtain final facial image, due to increase
Clear area area in human face region, the facial image after synthesis, picture quality is more preferable, therefore, can lift recognition of face
Efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Figure 1A is a kind of configuration diagram of Example mobile terminals provided in an embodiment of the present invention；
Figure 1B is a kind of structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 1 C are a kind of another structural representations of mobile terminal provided in an embodiment of the present invention；
Fig. 1 D are a kind of schematic flow sheets for solving lock control method disclosed in the embodiment of the present invention；
Fig. 1 E are a kind of face focus effects demonstration schematic diagrames disclosed in the embodiment of the present invention；
Fig. 1 F are another face focus effects demonstration schematic diagrames disclosed in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another solution lock control method disclosed in the embodiment of the present invention；
Fig. 3 is a kind of another structural representation of mobile terminal provided in an embodiment of the present invention；
Fig. 4 A are a kind of structural representations for solving lock control device provided in an embodiment of the present invention；
Fig. 4 B are the structural representations of the synthesis unit of the solution lock control device described by Fig. 4 A provided in an embodiment of the present invention
Figure；
Fig. 4 C are a kind of another structural representations for solving lock control device provided in an embodiment of the present invention；
Fig. 4 D are a kind of another structural representations for solving lock control device provided in an embodiment of the present invention；
Fig. 5 is the structural representation of another mobile terminal disclosed in the embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Term " first ", " second " in description and claims of this specification and above-mentioned accompanying drawing etc. are to be used to distinguish
Different objects, rather than for describing particular order.In addition, term " comprising " and " having " and their any deformations, it is intended that
It is to cover non-exclusive include.Such as process, method, system, product or the equipment for containing series of steps or unit do not have
The step of being defined in the step of having listed or unit, but alternatively also including not listing or unit, or alternatively also wrap
Include for other intrinsic steps of these processes, method, product or equipment or unit.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
In at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Mobile terminal involved by the embodiment of the present invention can include the various handheld devices with radio communication function,
Mobile unit, wearable device, computing device or other processing equipments for being connected to radio modem, and various forms
User equipment (User Equipment, UE), mobile station (Mobile Station, MS), terminal device (terminal
Device) etc..For convenience of description, apparatus mentioned above is referred to as mobile terminal.
The embodiment of the present invention is described in detail below.A kind of Example mobile terminals 1000 as shown in Figure 1A, the shifting
The face identification device of dynamic terminal 1000 can be dual camera, and the dual camera includes the first camera 21 and second camera
22, wherein, above-mentioned dual camera can be visible image capturing head with one, and one is infrared camera, or, it is both visible
Light video camera head, for example, the first camera 21 is visible image capturing head, second camera 22 is infrared camera, in another example, first
Camera 21 is visible image capturing head and second camera 22 is also visible image capturing head.Above-mentioned dual camera can be preposition double
Camera or rearmounted dual camera.
Figure 1B is referred to, Figure 1B is a kind of structural representation of shown mobile terminal 100, and the mobile terminal 100 wraps
Include：Application processor AP110, dual camera 120, wherein, the AP110 connects dual camera 120 by bus 150, enters one
Step ground, Fig. 1 C being referred to, Fig. 1 C are a kind of modification structures of the mobile terminal 100 described by Figure 1B, for Figure 1B, figure
1C also includes environmental sensor 160, and above-mentioned environmental sensor can be used for detecting ambient parameter, and environmental sensor can be following
It is at least one：Ambient light sensor, electromagnetic detection sensor, ambient color temperature detection sensor, temperature sensor, humidity sensor
Etc., ambient parameter can be following at least one：Ambient brightness, environment colour temperature, environmental magnetic field interference coefficient, weather condition,
Environment light source number etc..
Based on the mobile terminal described by Figure 1A-Fig. 1 C, can be used for implementing function such as：
The dual camera 120, for being shot to face, and human face region corresponding to the face is determined, it is described
Human face region includes first area and second area；It is used as focusing progress to the first area by first camera
Shooting, obtains the first facial image；And focusing is used as to the second area by the second camera and shot,
Obtain the second facial image；
The AP110, for first facial image and second facial image to be synthesized, obtain target person
Face image, the target facial image unlock for face.
In a possible embodiment, face is shot described, and determines face area corresponding to the face
In terms of domain, the dual camera 120 is specifically used for：
The face is shot by least one camera in the dual camera, obtains shooting image, and
Image segmentation is carried out to the shooting image, obtains human face region corresponding to the face.
In a possible embodiment, first facial image and second facial image are closed described
Into in terms of obtaining target facial image, the AP110 is specifically used for：
Determine the first focusing clear area and the first non-focusing area in first facial image；
Determine the second focusing clear area and the second non-focusing area in second facial image；
Retain the first focusing clear area and the second focusing clear area, and by the described first non-focusing area
It is weighted with the described second non-focusing area, obtains the target facial image.
In a possible embodiment, the dual camera 120 also particularly useful for：
Obtain the target range between the face and mobile terminal；
The AP110 also particularly useful for：
It is determined that first object acquisition parameters corresponding with the target range；
By first camera first area is used as in terms of focusing shot described, it is described double to take the photograph
It is specifically used for as first 120：
Focusing is used as to the first area by first camera, and according to the first object acquisition parameters
Shot.
In a possible embodiment, environmental sensor 160, for obtaining ambient parameter；
The AP110 also particularly useful for：
It is determined that the second target acquisition parameters corresponding with the ambient parameter；
By first camera first area is used as in terms of focusing shot described, it is described double to take the photograph
It is specifically used for as first 120：
Focusing is used as to the first area by first camera, and according to the second target acquisition parameters
Shot.
Based on the mobile terminal described by above-mentioned Figure 1A-Fig. 1 C, lock control is solved available for one kind as described below is performed
Method, it is specific as follows：
The dual camera 120 is shot to face, and determines human face region corresponding to the face, the face area
Domain includes first area and second area；It is used as focusing to the first area by first camera to shoot,
Obtain the first facial image；And focusing is used as to the second area by the second camera and shot, obtain
Second facial image；
The AP110 is synthesized first facial image and second facial image, obtains target face figure
Picture, the target facial image unlock for face.
As can be seen that the solution lock control method described in the embodiment of the present invention, applied to the movement comprising dual camera
Terminal, dual camera include the first camera and second camera, face shot by dual camera, and determine face
Corresponding human face region, human face region include first area and second area, first area are used as by the first camera pair
Focus is shot, and obtains the first facial image, and being used as focusing to second area by second camera shoots, and obtains
Second facial image, the first facial image and the second facial image are synthesized, obtain target facial image, target face figure
Unlocked as being used for face, it is seen then that by determining human face region, and by dual camera different zones in human face region are carried out pair
Jiao, two facial images are obtained, and it is synthesized, obtain final facial image, it is clear in human face region due to adding
Clear region area, the facial image after synthesis, picture quality is more preferable, therefore, can lift recognition of face efficiency.
Based on the mobile terminal described by Figure 1A-Fig. 1 C, Fig. 1 D are referred to, for a kind of unblock provided in an embodiment of the present invention
The embodiment schematic flow sheet of control method.Solution lock control method described in the present embodiment, applied to including dual camera
Mobile terminal, the dual camera includes the first camera and second camera, and it may include following steps：
101st, face is shot by the dual camera, and determines human face region corresponding to the face, it is described
Human face region includes first area and second area.
Wherein it is possible to face is shot by dual camera, for example, the first shooting in dual camera can be passed through
Head is shot, or, it can be shot by the second camera in dual camera, or, dual camera can be passed through
In two cameras shot parallel, in this way, a shooting image can be obtained, and then, determined from the shooting image
Go out human face region corresponding to face.After human face region determines, first area and second can be chosen from human face region
Region, the first area and second area can be two isolated areas, not have any common factor between the two, for example, first area exists
The left half of face of face, second area face right half of face, in another example, first area face upper face, second
Lower half of face of the region in face.
Alternatively, in above-mentioned steps 101, face is shot by the dual camera, and determines the face pair
The human face region answered, it can implement as follows：
The face is shot by least one camera in the dual camera, obtains shooting image, and
Image segmentation is carried out to the shooting image, obtains human face region corresponding to the face.
Wherein, for example, if including infrared camera in dual camera, face can be clapped by infrared camera
Take the photograph, so as to, shooting image is obtained, due to including background and face in shooting image, and then, figure can be carried out to shooting image
As segmentation, so as to obtain human face region corresponding to face.
102nd, it is used as focusing to the first area by first camera to shoot, obtains the first face figure
Picture.
Wherein, the first camera as focusing and can be shot using first area, it is generally the case that the area of focusing
Domain is most clearly region in an image.
Alternatively, between above-mentioned steps 101 and step 102, can also comprise the following steps：
A1, pass through the target range between the dual camera acquisition face and mobile terminal；
A2, determine first object acquisition parameters corresponding with the target range；
So, during above-mentioned steps 102 are performed, above-mentioned steps 102, by first camera to described
One region is shot as focusing, can be implemented as follows：
Focusing is used as to the first area by first camera, and according to the first object acquisition parameters
Shot.
Wherein, above-mentioned first object acquisition parameters may include but be not limited only to：Exposure time, aperture size, exposal model,
Sensitivity ISO, white balance parameter etc..The mapping that can be prestored in mobile terminal between distance and the first acquisition parameters is closed
System, and then, can be according to the mapping after the distance that above-mentioned dual camera can directly obtain between face and mobile terminal
Relation determines first object acquisition parameters corresponding to target range, and the first camera is using the first area as focusing,
Shot according to the first object acquisition parameters, obtain the first facial image.
Alternatively, between above-mentioned steps 101 and above-mentioned steps 102, can also comprise the following steps：
A11, obtain ambient parameter；
A12, determine the second target acquisition parameters corresponding with the ambient parameter；
So, during above-mentioned steps 102 are performed, above-mentioned steps 102, by first camera to described
One region is shot as focusing, can be implemented as follows：
Focusing is used as to the first area by first camera, and according to the second target acquisition parameters
Shot.
Wherein, ambient parameter can be following at least one：Ambient brightness, environment colour temperature, environmental magnetic field interference coefficient, day
Gas situation, environment light source number etc., can prestore reflecting between ambient parameter and the second acquisition parameters in mobile terminal
Penetrate relation, and then, can be determined according to the mapping relations the first camera be used for shoot the second target acquisition parameters, by the
One camera is shot to first area as focusing, and according to the second target acquisition parameters, obtains the first facial image.
103rd, it is used as focusing to the second area by the second camera to shoot, obtains the second face figure
Picture.
Wherein, second camera as focusing and can be shot using second area, it is generally the case that the area of focusing
Domain is most clearly region in an image.
Alternatively, between above-mentioned steps 101 and step 102, can also comprise the following steps：
B1, pass through the target range between the dual camera acquisition face and mobile terminal；
B2, determine the 3rd target acquisition parameters corresponding with the target range；
So, during above-mentioned steps 103 are performed, above-mentioned steps 103, by the second camera to described
Two regions are shot as focusing, can be implemented as follows：
Focusing is used as to the second area by the second camera, and according to the 3rd target acquisition parameters
Shot.
Wherein, above-mentioned 3rd target acquisition parameters may include but be not limited only to：Exposure time, aperture size, exposal model,
Sensitivity ISO, white balance parameter etc..The mapping that distance is taken the photograph with third shot between parameter can be prestored in mobile terminal to close
System, and then, can be according to the mapping after the distance that above-mentioned dual camera can directly obtain between face and mobile terminal
Relation determines the 3rd target acquisition parameters corresponding to target range, and second camera is using the second area as focusing,
Shot according to the 3rd target acquisition parameters, obtain the second facial image.
Alternatively, between above-mentioned steps 101 and above-mentioned steps 102, can also comprise the following steps：
B11, obtain ambient parameter；
B12, determine the 4th target acquisition parameters corresponding with the ambient parameter；
So, during above-mentioned steps 103 are performed, above-mentioned steps 103, by the second camera to described
Two regions are shot as focusing, can be implemented as follows：
Focusing is used as to the second area by the second camera, and according to the 4th target acquisition parameters
Shot.
Wherein, ambient parameter can be following at least one：Ambient brightness, environment colour temperature, environmental magnetic field interference coefficient, day
Gas situation, environment light source number etc., can prestore reflecting between ambient parameter and the 4th acquisition parameters in mobile terminal
Penetrate relation, and then, can be determined according to the mapping relations second camera be used for shoot the 4th target acquisition parameters, by the
Two cameras are shot to second area as focusing, and according to the 4th target acquisition parameters, obtain the second facial image.
Alternatively, above-mentioned steps 102 can perform parallel with above-mentioned steps 103, or, step 102 is first carried out, it is rear to perform
Step 103, or, step 103 is first carried out, it is rear to perform step 102, do not limit herein.
104th, first facial image and second facial image are synthesized, obtains target facial image, institute
Target facial image is stated to unlock for face.
Wherein, from the foregoing, the clear area of the first facial image and the second facial image is in diverse location, because
Different zones in face using the principle, are focused, it is thus possible to increase clear area by this in the embodiment of the present invention
Area, both respective advantage can be combined, will both clear areas concentrate in an image, such image
Clear area area is bigger, and picture quality is relatively sharp, and especially under noctovision environment, picture quality is particularly evident.
Alternatively, in above-mentioned steps 104, first facial image and second facial image is synthesized, obtained
To target facial image, it may include following steps：
41st, the first focusing clear area and the first non-focusing area in first facial image are determined；
42nd, the second focusing clear area and the second non-focusing area in second facial image are determined；
43rd, the first focusing clear area and the second focusing clear area are retained, and by the described first non-focusing
Region and the second non-focusing area are weighted, and obtain the target facial image.
Wherein, the first focusing clear area can be included in the first facial image, i.e., focusing is used as using first area
Subregion, the area of the subregion can be specified by user or system default, and the first non-focusing area is the first face
Region in image in addition to the first focusing clear area.Similarly, it is clear that the second focusing can be included in the second facial image
Region, i.e., using second area as the subregion of focusing, the area of the subregion can be specified by user or system
Acquiescence, the second non-focusing area are the region in addition to the second focusing clear area in the second facial image.First focusing is clear
Between clear region and the second focusing clear area can without common factor, and then, the first focusing clear area can be retained with second
Focusing clear area, certainly, if if part common factor being present between the first focusing clear area and the second focusing clear area, can
To be weighted average calculating operation to part of occuring simultaneously.In addition, the first non-focusing area and the second non-focusing area are weighted fortune
Calculate, obtain target facial image, in this way, the first camera can be retained in dual camera as far as possible with second camera to defocused
Clear area, the better quality of the facial image of synthesis, if the facial image is used for recognition of face, recognition of face can be lifted
Success rate, especially under noctovision environment.As referring to figure 1E, in above-mentioned steps 101, human face region can be first determined,
First area and second area are determined in human face region, and then, as shown in fig. 1F, after above-mentioned steps 102, based on the firstth area
After domain is focused, the first focusing clear area can be obtained, in the first facial image outside the first focusing clear area
Region is then the first non-focusing area, then, the second facial image is referred to Fig. 1 F, will not be repeated here.
Alternatively, the first focusing clear area can include first area, and the second focusing clear area can include second area.
Wherein, the area of above-mentioned first focusing clear area can be more than the area of first area, and above-mentioned second focusing is clear
Region can be more than the area of second area.
As can be seen that the solution lock control method described in the embodiment of the present invention, applied to the movement comprising dual camera
Terminal, dual camera include the first camera and second camera, face shot by dual camera, and determine face
Corresponding human face region, human face region include first area and second area, first area are used as by the first camera pair
Focus is shot, and obtains the first facial image, and being used as focusing to second area by second camera shoots, and obtains
Second facial image, the first facial image and the second facial image are synthesized, obtain target facial image, target face figure
Unlocked as being used for face, it is seen then that by determining human face region, and by dual camera different zones in human face region are carried out pair
Jiao, two facial images are obtained, and it is synthesized, obtain final facial image, it is clear in human face region due to adding
Clear region area, the facial image after synthesis, picture quality is more preferable, therefore, can lift recognition of face efficiency.
Consistent with the abovely, referring to Fig. 2, being a kind of embodiment stream for solving lock control method provided in an embodiment of the present invention
Journey schematic diagram.Solution lock control method described in the present embodiment, applied to the mobile terminal comprising dual camera, described pair is taken the photograph
Picture head includes the first camera and second camera, and it may include following steps：
201st, face is shot by the dual camera, and determines human face region corresponding to the face, it is described
Human face region includes first area and second area.
202nd, ambient parameter is obtained.
Wherein, ambient parameter can be following at least one：Ambient brightness, environment colour temperature, environmental magnetic field interference coefficient, day
Gas situation, environment light source number etc..
203rd, corresponding with the ambient parameter the second target acquisition parameters and the 4th target acquisition parameters are determined.
204th, focusing is used as to the first area by first camera, and shot according to second target
Parameter is shot, and obtains the first facial image.
205th, focusing is used as to the second area by the second camera, and shot according to the 4th target
Parameter is shot, and obtains the second facial image.
Alternatively, above-mentioned steps 204 can perform parallel with above-mentioned steps 205, or, step 204 is first carried out, it is rear to perform
Step 205, or, step 205 is first carried out, it is rear to perform step 204, do not limit herein.
205th, first facial image and second facial image are synthesized, obtains target facial image, institute
Target facial image is stated to unlock for face.
Wherein, the specific descriptions of above-mentioned steps 201- steps 206 can refer to pair of the solution lock control method described by Fig. 1 D
Step is answered, will not be repeated here.
As can be seen that the solution lock control method described in the embodiment of the present invention, applied to the movement comprising dual camera
Terminal, dual camera include the first camera and second camera, face shot by dual camera, and determine face
Corresponding human face region, human face region include first area and second area, first area are used as by the first camera pair
Focus is shot, and obtains the first facial image, and being used as focusing to second area by second camera shoots, and obtains
Second facial image, the first facial image and the second facial image are synthesized, obtain target facial image, target face figure
Unlocked as being used for face, it is seen then that by determining human face region, and by dual camera different zones in human face region are carried out pair
Jiao, two facial images are obtained, and it is synthesized, obtain final facial image, it is clear in human face region due to adding
Clear region area, the facial image after synthesis, picture quality is more preferable, therefore, can lift recognition of face efficiency.
Referring to Fig. 3, Fig. 3 is a kind of mobile terminal provided in an embodiment of the present invention, including：Application processor AP and storage
Device, in addition to dual camera, the dual camera include the first camera and second camera；And one or more programs,
One or more of programs are stored in the memory, and are configured to be performed by the AP, and described program includes
For performing the instruction of following steps：
Face is shot by the dual camera, and determines human face region corresponding to the face, the face
Region includes first area and second area；
It is used as focusing to the first area by first camera to shoot, obtains the first facial image；
It is used as focusing to the second area by the second camera to shoot, obtains the second facial image；
First facial image and second facial image are synthesized, obtain target facial image, the mesh
Facial image is marked to unlock for face.
In a possible example, face is shot by the dual camera described, and determine the people
In terms of human face region corresponding to face, described program includes being used for the instruction for performing following steps：
The face is shot by least one camera in the dual camera, obtains shooting image, and
Image segmentation is carried out to the shooting image, obtains human face region corresponding to the face.
In a possible example, first facial image and second facial image are closed described
Into in terms of obtaining target facial image, described program includes being used for the instruction for performing following steps：
Determine the first focusing clear area and the first non-focusing area in first facial image；
Determine the second focusing clear area and the second non-focusing area in second facial image；
Retain the first focusing clear area and the second focusing clear area, and by the described first non-focusing area
It is weighted with the described second non-focusing area, obtains the target facial image.
In a possible example, described program also includes being used for the instruction for performing following steps：
Target range between the face and mobile terminal is obtained by the dual camera；
It is determined that first object acquisition parameters corresponding with the target range；
By first camera first area is used as in terms of focusing shot described, described program
Including the instruction for performing following steps：
Focusing is used as to the first area by first camera, and according to the first object acquisition parameters
Shot.
In a possible example, described program also includes being used for the instruction for performing following steps：
Obtain ambient parameter；
It is determined that the second target acquisition parameters corresponding with the ambient parameter；
By first camera first area is used as in terms of focusing shot described, described program
Including the instruction for performing following steps：
Focusing is used as to the first area by first camera, and according to the second target acquisition parameters
Shot.
Fig. 4 A are referred to, Fig. 4 A are a kind of structural representations for solution lock control device that the present embodiment provides.The solution lock control
Device processed is applied to the mobile terminal comprising dual camera, and the dual camera includes the first camera and second camera, solution
Lock control device includes the first determining unit 401, first shooting unit 402, second shooting unit 403 and synthesis unit 404, its
In,
First determining unit 401, for being shot by the dual camera to face, and determine that the face is corresponding
Human face region, the human face region includes first area and second area；
First shooting unit 402, clapped for being used as focusing to the first area by first camera
Take the photograph, obtain the first facial image；
Second shooting unit 403, clapped for being used as focusing to the second area by the second camera
Take the photograph, obtain the second facial image；
Synthesis unit 404, for first facial image and second facial image to be synthesized, obtain target
Facial image, the target facial image unlock for face.
Alternatively, the determining unit 401 is specifically used for
The face is shot by least one camera in the dual camera, obtains shooting image, and
Image segmentation is carried out to the shooting image, obtains human face region corresponding to the face.
Alternatively, if Fig. 4 B, Fig. 4 B are the detail knots of the synthesis unit 404 of the solution lock control device described by Fig. 4 A
Structure, the synthesis unit 404 may include：First determining module 4041, the second determining module 4042 and synthesis module 4043, specifically
It is as follows：
First determining module 4041, for determining the first focusing clear area in first facial image and first non-
Focusing area；
Second determining module 4042, for determining the second focusing clear area in second facial image and second non-
Focusing area；
Synthesis module 4043, for retaining the first focusing clear area and the second focusing clear area, and will
The first non-focusing area and the second non-focusing area are weighted, and obtain the target facial image.
Alternatively, such as Fig. 4 C, the modification structures of solution lock control devices of Fig. 4 C described by Fig. 4 A, it is compared with Fig. 4 A
Compared with may also include：Second determining unit 405, it is specific as follows：
Second determining unit 405, for obtaining the target between the face and mobile terminal by the dual camera
Distance；And determine first object acquisition parameters corresponding with the target range；
The first shooting unit 402 is used as focusing to the first area by first camera and shot
Specific implementation be：
Focusing is used as to the first area by first camera, and according to the first object acquisition parameters
Shot.
Alternatively, such as Fig. 4 D, the modification structures of solution lock control devices of Fig. 4 D described by Fig. 4 A, it is compared with Fig. 4 A
Compared with may also include：The determining unit 407 of acquiring unit 406 and the 3rd, it is specific as follows：
The acquiring unit 406, for obtaining ambient parameter；
3rd determining unit 407, for determining the second target acquisition parameters corresponding with the ambient parameter；
The first shooting unit 402 is used as focusing to the first area by first camera and shot
Specific implementation be：
Focusing is used as to the first area by first camera, and according to the second target acquisition parameters
Shot.
As can be seen that the solution lock control device described in the embodiment of the present invention, applied to the movement comprising dual camera
Terminal, dual camera include the first camera and second camera, face can shot by dual camera, and determine people
Human face region corresponding to face, human face region include first area and second area, first area are used as by the first camera
Focusing is shot, and obtains the first facial image, and being used as focusing to second area by second camera shoots, and obtains
To the second facial image, the first facial image and the second facial image are synthesized, obtain target facial image, target face
Image is unlocked for face, it is seen then that different zones in human face region are carried out by determining human face region, and by dual camera
Focusing, obtains two facial images, and it is synthesized, and final facial image is obtained, due to adding in human face region
Clear area area, the facial image after synthesis, picture quality is more preferable, therefore, can lift recognition of face efficiency.
It is understood that the function of each program module of the solution lock control device of the present embodiment can be real according to the above method
The method specific implementation in example is applied, its specific implementation process is referred to the associated description of above method embodiment, herein no longer
Repeat.
The embodiment of the present invention additionally provides another mobile terminal, as shown in figure 5, for convenience of description, illustrate only with
The related part of the embodiment of the present invention, particular technique details do not disclose, refer to present invention method part.The movement
Terminal can be to include mobile phone, tablet personal computer, PDA (Personal Digital Assistant, personal digital assistant), POS
Any terminal device such as (Point of Sales, point-of-sale terminal), vehicle-mounted computer, so that mobile terminal is mobile phone as an example：
Fig. 5 is illustrated that the block diagram of the part-structure of the mobile phone related to mobile terminal provided in an embodiment of the present invention.Ginseng
Fig. 5 is examined, mobile phone includes：Radio frequency (Radio Frequency, RF) circuit 910, memory 920, input block 930, sensor
950th, voicefrequency circuit 960, Wireless Fidelity (Wireless Fidelity, WiFi) module 970, application processor AP980 and
The grade part of power supply 990.It will be understood by those skilled in the art that the handset structure shown in Fig. 5 does not form the restriction to mobile phone,
It can include than illustrating more or less parts, either combine some parts or different parts arrangement.
Each component parts of mobile phone is specifically introduced with reference to Fig. 5：
Input block 930 can be used for the numeral or character information for receiving input, and produce with the user of mobile phone set with
And the key signals input that function control is relevant.Specifically, input block 930 may include touching display screen 933, face identification device
931 and other input equipments 932.Face identification device 931, the face identification device 931 can be dual camera, and described pair is taken the photograph
Picture head includes the first camera and second camera, and concrete structure composition can refer to foregoing description, not repeat excessively herein.Input
Unit 930 can also include other input equipments 932.Specifically, other input equipments 932 can include but is not limited to physics and press
One or more in key, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, the AP980, for performing following steps：
Face is shot by the dual camera, and determines human face region corresponding to the face, the face
Region includes first area and second area；
It is used as focusing to the first area by first camera to shoot, obtains the first facial image；
It is used as focusing to the second area by the second camera to shoot, obtains the second facial image；
First facial image and second facial image are synthesized, obtain target facial image, the mesh
Facial image is marked to unlock for face.
AP980 is the control centre of mobile phone, using various interfaces and the various pieces of connection whole mobile phone, passes through fortune
Row performs the software program and/or module being stored in memory 920, and calls the data being stored in memory 920,
The various functions and processing data of mobile phone are performed, so as to carry out integral monitoring to mobile phone.Optionally, AP980 may include one or
Multiple processing units, the processing unit can be artificial intelligent chip, quantum chip；Preferably, AP980 can integrate application processor
And modem processor, wherein, application processor mainly handles operating system, user interface and application program etc., modulatedemodulate
Processor is adjusted mainly to handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into AP980
In.
In addition, memory 920 can include high-speed random access memory, nonvolatile memory, example can also be included
Such as at least one disk memory, flush memory device or other volatile solid-state parts.
RF circuits 910 can be used for the reception and transmission of information.Generally, RF circuits 910 include but is not limited to antenna, at least one
Individual amplifier, transceiver, coupler, low-noise amplifier (Low Noise Amplifier, LNA), duplexer etc..In addition,
RF circuits 910 can also be communicated by radio communication with network and other equipment.Above-mentioned radio communication can use any communication
Standard or agreement, including but not limited to global system for mobile communications (Global System of Mobile
Communication, GSM), general packet radio service (General Packet Radio Service, GPRS), code division it is more
Location (Code Division Multiple Access, CDMA), WCDMA (Wideband Code Division
Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution, LTE), Email, Short Message Service
(Short Messaging Service, SMS) etc..
Mobile phone may also include at least one sensor 950, such as optical sensor, motion sensor and other sensors.
Specifically, optical sensor may include environmental sensor and proximity transducer, wherein, environmental sensor can be according to the bright of ambient light
Secretly adjust the brightness of touching display screen, proximity transducer can close touching display screen and/or the back of the body when mobile phone is moved in one's ear
Light.As one kind of motion sensor, accelerometer sensor can detect in all directions the size of (generally three axles) acceleration,
Size and the direction of gravity are can detect that when static, application (such as horizontal/vertical screen switching, related trip available for identification mobile phone posture
Play, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap) etc.；The gyro that can also configure as mobile phone
The other sensors such as instrument, barometer, hygrometer, thermometer, infrared ray sensor, will not be repeated here.
Voicefrequency circuit 960, loudspeaker 961, microphone 962 can provide the COBBAIF between user and mobile phone.Audio-frequency electric
Electric signal after the voice data received conversion can be transferred to loudspeaker 961, sound is converted to by loudspeaker 961 by road 960
Signal plays；On the other hand, the voice signal of collection is converted to electric signal by microphone 962, is turned after being received by voicefrequency circuit 960
It is changed to voice data, then after voice data is played into AP980 processing, through RF circuits 910 to be sent to such as another mobile phone, or
Voice data is played to memory 920 further to handle.
WiFi belongs to short range wireless transmission technology, and mobile phone can help user's transceiver electronicses postal by WiFi module 970
Part, browse webpage and access streaming video etc., it has provided the user wireless broadband internet and accessed.Although Fig. 5 is shown
WiFi module 970, but it is understood that, it is simultaneously not belonging to must be configured into for mobile phone, can not change as needed completely
Become in the essential scope of invention and omit.
Mobile phone also includes the power supply 990 (such as battery) to all parts power supply, it is preferred that power supply can pass through power supply pipe
Reason system and AP980 are logically contiguous, so as to realize the work(such as management charging, electric discharge and power managed by power-supply management system
Energy.
Although being not shown, mobile phone can also include camera, bluetooth module etc., will not be repeated here.
In embodiment shown in earlier figures 1D or Fig. 2, each step method flow can based on the mobile phone structure realize.
In embodiment shown in earlier figures 3, Fig. 4 A~Fig. 4 D, each unit function can based on the mobile phone structure realize.
The embodiment of the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium is stored for electricity
The computer program that subdata exchanges, it is any as described in above-mentioned embodiment of the method that the computer program make it that computer performs
A kind of part or all of step for solving lock control method.
The embodiment of the present invention also provides a kind of computer program product, and the computer program product includes storing calculating
The non-transient computer-readable recording medium of machine program, the computer program are operable to make computer perform side as described above
The part or all of step of any solution lock control method described in method embodiment.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module are not necessarily of the invention
It is necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed device, can be by another way
Realize.For example, device embodiment described above is only schematical, such as the division of the unit, it is only one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit,
Can be electrical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of software program module.
If the integrated unit is realized in the form of software program module and is used as independent production marketing or use
When, it can be stored in a computer-readable access to memory.Based on such understanding, technical scheme substantially or
Person say the part to be contributed to prior art or the technical scheme all or part can in the form of software product body
Reveal and, the computer software product is stored in a memory, including some instructions are causing a computer equipment
(can be personal computer, server or network equipment etc.) performs all or part of each embodiment methods described of the present invention
Step.And foregoing memory includes：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory
(RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with the medium of store program codes.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable memory, memory
It can include：Flash disk, read-only storage (English：Read-Only Memory, referred to as：ROM), random access device (English：
Random Access Memory, referred to as：RAM), disk or CD etc..
The embodiment of the present invention is described in detail above, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；
Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, can in specific embodiments and applications
There is change part, in summary, this specification content should not be construed as limiting the invention.
Claims (14)
- A kind of 1. mobile terminal, it is characterised in that including application processor AP, and the dual camera with the connection, it is described Dual camera includes the first camera and second camera, wherein,The dual camera, for being shot to face, and human face region corresponding to the face is determined, the human face region Include first area and second area；It is used as focusing to the first area by first camera to shoot, obtains To the first facial image；And focusing is used as to the second area by the second camera and shot, obtain Two facial images；The AP, for first facial image and second facial image to be synthesized, target facial image is obtained, The target facial image unlocks for face.
- 2. mobile terminal according to claim 1, it is characterised in that face is shot described, and described in determination In terms of human face region corresponding to face, the dual camera is specifically used for：The face is shot by least one camera in the dual camera, obtains shooting image, and to institute State shooting image and carry out image segmentation, obtain human face region corresponding to the face.
- 3. according to the mobile terminal described in any one of claim 1 or 2, it is characterised in that described by the first face figure As being synthesized with second facial image, in terms of obtaining target facial image, the AP is specifically used for：Determine the first focusing clear area and the first non-focusing area in first facial image；Determine the second focusing clear area and the second non-focusing area in second facial image；Retain the first focusing clear area and the second focusing clear area, and by the described first non-focusing area and institute State the second non-focusing area to be weighted, obtain the target facial image.
- 4. according to the mobile terminal described in any one of claims 1 to 3, it is characterised in that the dual camera also particularly useful for：Obtain the target range between the face and mobile terminal；The AP also particularly useful for：It is determined that first object acquisition parameters corresponding with the target range；By first camera first area is used as in terms of focusing shot described, the dual camera It is specifically used for：Focusing is used as to the first area by first camera, and carried out according to the first object acquisition parameters Shooting.
- 5. according to the mobile terminal described in any one of claims 1 to 3, it is characterised in that the mobile terminal also includes：Environmental sensor, for obtaining ambient parameter；The AP also particularly useful for：It is determined that the second target acquisition parameters corresponding with the ambient parameter；By first camera first area is used as in terms of focusing shot described, the dual camera It is specifically used for：Focusing is used as to the first area by first camera, and carried out according to the second target acquisition parameters Shooting.
- 6. one kind solution lock control method, it is characterised in that taken the photograph applied to including application processor AP, and with the double of the connection As the mobile terminal of head, the dual camera includes the first camera and second camera, wherein,The dual camera is shot to face, and determines human face region corresponding to the face, and the human face region includes First area and second area；It is used as focusing to the first area by first camera to shoot, obtains One facial image；And focusing is used as to the second area by the second camera and shot, obtain the second people Face image；The AP is synthesized first facial image and second facial image, obtains target facial image, described Target facial image unlocks for face.
- 7. one kind solution lock control method, it is characterised in that applied to the mobile terminal comprising dual camera, the dual camera bag Containing the first camera and second camera, methods described includes：Face is shot by the dual camera, and determines human face region corresponding to the face, the human face region Include first area and second area；It is used as focusing to the first area by first camera to shoot, obtains the first facial image；It is used as focusing to the second area by the second camera to shoot, obtains the second facial image；First facial image and second facial image are synthesized, obtain target facial image, the target person Face image unlocks for face.
- 8. according to the method for claim 7, it is characterised in that it is described that face is shot by the dual camera, And human face region corresponding to the face is determined, including：The face is shot by least one camera in the dual camera, obtains shooting image, and to institute State shooting image and carry out image segmentation, obtain human face region corresponding to the face.
- 9. according to the method described in any one of claim 7 or 8, it is characterised in that described by first facial image and institute State the second facial image to be synthesized, obtain target facial image, including：Determine the first focusing clear area and the first non-focusing area in first facial image；Determine the second focusing clear area and the second non-focusing area in second facial image；Retain the first focusing clear area and the second focusing clear area, and by the described first non-focusing area and institute State the second non-focusing area to be weighted, obtain the target facial image.
- 10. according to the method described in any one of claim 7 to 9, it is characterised in that methods described also includes：Target range between the face and mobile terminal is obtained by the dual camera；It is determined that first object acquisition parameters corresponding with the target range；It is described focusing is used as to the first area by first camera to shoot, including：Focusing is used as to the first area by first camera, and carried out according to the first object acquisition parameters Shooting.
- 11. according to the method described in any one of claim 7 to 9, it is characterised in that methods described also includes：Obtain ambient parameter；It is determined that the second target acquisition parameters corresponding with the ambient parameter；It is described focusing is used as to the first area by first camera to shoot, including：Focusing is used as to the first area by first camera, and carried out according to the second target acquisition parameters Shooting.
- 12. one kind solution lock control device, it is characterised in that applied to the mobile terminal comprising dual camera, the dual camera Comprising the first camera and second camera, the solution lock control device includes：First determining unit, for being shot by the dual camera to face, and determine face corresponding to the face Region, the human face region include first area and second area；First shooting unit, shoot, obtain for being used as focusing to the first area by first camera First facial image；Second shooting unit, shoot, obtain for being used as focusing to the second area by the second camera Second facial image；Synthesis unit, for first facial image and second facial image to be synthesized, obtain target face figure Picture, the target facial image unlock for face.
- A kind of 13. mobile terminal, it is characterised in that including：Application processor AP and memory；And one or more programs, One or more of programs are stored in the memory, and are configured to be performed by the AP, and described program includes Instruction for such as any one of claim 7-11 methods.
- A kind of 14. computer-readable recording medium, it is characterised in that it is used to store computer program, wherein, the computer Program causes computer to perform the method as described in claim any one of 7-11.
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| CN201710890429.6A CN107633235B (en) | 2017-09-27 | 2017-09-27 | Unlocking control method and related product |
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| CN107633235B (en) | 2020-12-25 |
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Granted publication date: 20201225 |