CN106250885B - A kind of iris identification method, device and terminal - Google Patents
A kind of iris identification method, device and terminal Download PDFInfo
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- CN106250885B CN106250885B CN201610790140.2A CN201610790140A CN106250885B CN 106250885 B CN106250885 B CN 106250885B CN 201610790140 A CN201610790140 A CN 201610790140A CN 106250885 B CN106250885 B CN 106250885B
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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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Abstract
The invention discloses a kind of iris identification method, device and terminals, it is related to field of communication technology, be able to solve the difference because of factors such as the pixels of the distance between camera and pickup area, angle and camera for acquiring iris information, and make terminal collected iris information inaccuracy problem.The method comprise the steps that the positional relationship between the earphone that the camera of acquisition terminal and user are worn；If the positional relationship is different from the pre-stored location relationship in database, adjustment information is generated, the adjustment information is used to indicate user and adjusts positional relationship between the camera and the earphone；After the terminal or user adjust positional relationship according to the adjustment information, the iris information of user and identification are acquired.The present invention is suitable for terminal.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of iris identification methods, device and terminal.
Background technique
Durings user unlocks terminal, access data etc., terminal usually requires to authenticate the identity of user.In addition to
Other than common code authentication mode, in order to improve Information Security, code authentication is completed after preventing other users stealing passwords,
Terminal often selects fingerprint, iris etc. that can distinguish foundation of the feature as subscriber identity authentication of different user identity.
For using iris, for the case where user identity feature, during iris recognition, user can be by terminal
Camera be directed at oneself pupil, and after terminal completes pupil scans, the iris of pupil reflection is determined by terminal
The condition whether information meets unlock terminal, accesses data unlocks terminal, access data with this to determine whether the user has
Permission allow user the operation such as unlock terminal, carry out data access and after iris information meets above-mentioned condition.
However, iris information is for the more demanding of acquisition precision, often because being used in iris information identification process
The difference of the factors such as the pixel of the distance between camera and pickup area of iris information, angle and camera is acquired, and is made
The collected iris information inaccuracy of terminal institute, accidentally will there is the user of unlock terminal, the permission for accessing data to be identified as being discontented with
The user of the above-mentioned permission of foot, to influence user to the normal use of terminal.
Summary of the invention
The present invention provides a kind of iris identification method, device and terminal, is able to solve because for acquiring taking the photograph for iris information
The difference of the factors such as the pixel as the distance between head and pickup area, angle and camera, and make the collected rainbow of terminal institute
The problem of film information inaccuracy.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
In a first aspect, the present invention provides a kind of iris identification method, which comprises
The positional relationship between earphone that the camera and user for obtaining terminal are worn；
If the positional relationship is different from the pre-stored location relationship in database, adjustment information, the adjustment letter are generated
Breath is used to indicate user and adjusts positional relationship between the camera and the earphone；
After the terminal or user adjust positional relationship according to the adjustment information, the iris information of user is acquired simultaneously
Identification.
Second aspect, the present invention provide a kind of iris identification device, and described device includes:
Communication module, the positional relationship between earphone that camera and user for obtaining terminal are worn；
Processing module generates adjustment letter if different from the pre-stored location relationship in database for the positional relationship
Breath, the adjustment information are used to indicate user and adjust positional relationship between the camera and the earphone；
The communication module is also used to after the terminal or user adjust positional relationship according to the adjustment information,
Acquire the iris information of user and identification.
The third aspect, the present invention provide a kind of terminal, and the terminal includes at least the iris recognition as described in second aspect
Device.
Iris identification method, device and terminal provided by the invention are compared to and are known in the prior art using iris information
Accidentally will there is the user of unlock terminal, the permission for accessing data to be identified as being unsatisfactory for the user of above-mentioned permission caused by not,
In the present invention, following implementation can be used: closed the position between the earphone that the camera and user for obtaining terminal are worn
System, if positional relationship is different from the pre-stored location relationship in database, generation is used to indicate user and adjusts camera and earphone
Between the adjustment information of positional relationship acquire user and after terminal or user adjust positional relationship according to adjustment information
Iris information and identification.By the adjustment of above-mentioned positional relationship, current Ubiety can be made identical as pre-stored location relationship
Or it is close, it can thus effectively improve that same user is collected before the iris information currently acquired with the user to be used for
The similarity between the iris information of authentication is matched, therefore, is able to solve because of camera and the acquisition for acquiring iris information
The difference of the factors such as the pixel in the distance between region, angle and camera, and keep the collected iris information of terminal institute inaccurate
True problem.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structural schematic diagram of communications network system provided in an embodiment of the present invention；
Fig. 2 is a kind of iris identification method flow chart provided in an embodiment of the present invention；
Fig. 3 is another iris identification method flow chart provided in an embodiment of the present invention；
Fig. 4 is a kind of method flow diagram for establishing database provided in an embodiment of the present invention；
Fig. 5 is another iris identification method flow chart provided in an embodiment of the present invention；
Fig. 6 is another iris identification method flow chart provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of iris identification device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention can be used for a kind of communications network system, as shown in Figure 1, at least wrapping in the communications network system
Terminal 10 and earphone 13 are included, user is when carrying out iris information acquisition, wearer's earphone 13.It is provided with camera in terminal 10
12, for acquiring the iris information of user；It is additionally provided with gyroscope 11 in terminal 10, is similarly provided with top in earphone 13
Spiral shell instrument 14.It should be noted that above-mentioned gyro 11 and gyro 14 can also can be used in detecting for other position of terminal, earphone
The functional module of information, it is not limited here.
The embodiment of the present invention provides a kind of iris identification method, as shown in Fig. 2, this method can be applied to terminal, the party
Method process includes:
101, the positional relationship between the earphone that the camera of acquisition terminal and user are worn.
In view of gyroscope or other function moulds that can be used in detecting the location information of terminal can be provided in terminal
Block, and gyroscope or other functional modules that can be used in detecting the location information of terminal can be also provided on earphone, therefore,
In the present invention, terminal can according to above-mentioned gyroscope or functional module collected earphone and terminal location information come
Determine the positional relationship between camera and earphone, specific method of determination can see below step 1011 and step 1012, herein
It does not repeat them here.
If 102, positional relationship is different from the pre-stored location relationship in database, adjustment information is generated.
Wherein, adjustment information is used to indicate the positional relationship between user's adjustment camera and earphone.
In the present invention, pre-stored location relationship can be carried out when iris information acquisition for the first time for user the camera of terminal with
Opposite positional relationship between earphone.After the collection process that terminal completes iris information, collected iris can be believed
It ceases as subsequent unlock terminal, the authentication foundation of access data, and pre-stored location relationship is also just as adjusting locating for user
Position or the reference value for adjusting terminal present position.
It should be noted that adjustment information can be specially to talk with box form and be presented on disappearing in terminal display interface
Breath, can also inform the corresponding Adjusted Option of user by modes such as voice promptings.Such as: need user by terminal according to water
Square to or vertical direction translate certain distance, or user is needed to adjust terminal tilt angle with respect to the horizontal plane, or
It needs user in the case where guaranteeing that terminal present position is constant, adjusts the tilt angle on head and the height away from horizontal plane
Deng being not specifically limited herein.
103, after terminal or user adjust positional relationship according to adjustment information, the iris information of user and knowledge are acquired
Not.
After the adjustment for completing the positional relationship between camera and earphone, it can be ensured that the pupil of active user and take the photograph
As the relative positional relationship between head can be close with the relative positional relationship when iris information of first acquisition user, thus
It can be improved the precision of this acquisition client iris information process.
In the present invention, positional relationship is adjusted using above-mentioned implementation, current Ubiety and pre- can be made
Deposit that positional relationship is identical or close, can thus effectively improve same user the iris information and the user currently acquired it
Similarity between the preceding iris information collected for matching authentication.Therefore, it is able to solve because for acquiring iris information
Camera and the distance between pickup area, angle and camera the factors such as pixel difference, and collect terminal
Iris information inaccuracy problem.In addition, collecting accurate iris letter for the terminal poor for hardware performance
Breath, can reduce load of terminal during realizing Algorithm of Iris Recognition.
In an implementation of the embodiment of the present invention, terminal can according to the location information of camera present position and
The location information of earphone present position, to determine the positional relationship between camera and earphone.Therefore, in reality as shown in Figure 2
On the basis of existing mode, it is also implemented as implementation as shown in Figure 3.Wherein, the camera shooting that step can obtain terminal with 101
The positional relationship between earphone that head and user are worn, can be implemented as step 1011 and step 1012:
1011, the location information of camera and the location information of earphone are obtained.
Wherein, location information includes at least longitude, latitude, vertical height with respect to the horizontal plane, and in three-dimensional space
It is middle to be formed by angle with three reference planes respectively.
By taking the functional module of the location information for detecting terminal, earphone is gyroscope as an example, top at the terminal is set
Spiral shell instrument can detecte the location information that terminal is presently in position, and the gyroscope being arranged on earphone can detecte earphone and work as
The location information of preceding present position.In the present invention, the location information of terminal can be determined as being arranged at the terminal by terminal
The location information of camera.
1012, according to the location information of the location information of camera and earphone, the distance between camera and earphone are determined
And deviation angle.
Wherein, deviation angle is deviation angle or camera institute of the earphone present position relative to camera present position
Locate deviation angle of the position relative to earphone present position.
After terminal and earphone establish communication connection, earphone can be sent to terminal headset detection to location information.
After terminal receives the location information of earphone transmission, in conjunction with the location information that terminal detects, camera can be determined out
Linear distance and deviation angle between earphone.
Since location information can specifically include the longitude, latitude and height of equipment, the location information of earphone with take the photograph
As the location information of head can be considered as two points in three-dimensional system of coordinate, earphone can be calculated according to two o'clock coordinate and taken the photograph
As the linear distance between head.Wherein, point coordinate can be indicated with (X, Y, Z).It should be noted that deviation angle is equally
It can be determined according to the relationship between two o'clock coordinate, deviation angle is specifically as follows is with horizontal plane locating for earphone or camera
It is calculated on the basis of the deviation angle that benchmark is calculated, or plane with horizontal plane locating for the earphone or camera
Obtained deviation angle, it is not limited here.In the present invention, deviation angle not only can be directly with the degree of deflecting angle come straight
The expression of sight can also can indicate the function of deviation angle to indicate, it is not limited here with sin or cos etc..
Furthermore, it is contemplated that the angle in location information, which may include one to three, is formed by angle with reference planes, because
This, terminal may also corresponding include one to three deflecting angle angle value with the deviation angle of earphone, and each deflecting angle angle value
It can represent based on the deviation angle for a certain reference planes.
In the present invention, although different moments carry out iris information acquisition when, may exist terminal present position and/
Or the variation of earphone present position, but as long as can guarantee that the camera of terminal and the positional relationship of earphone are in a default model
In enclosing, so that it may ensure that same user in the iris information identification process of different moments, can successfully believe current iris
Breath is with collected before for confirming that can the iris information that complete identification authentication complete matching.
In an implementation of the embodiment of the present invention, the process of Database is provided, and hence it is also possible to realize
For implementation as shown in Figure 4.Wherein, execute step 101 obtain terminal camera and the earphone worn of user it
Between positional relationship before, step 104 can also be performed；After executing the step 101, step 105 can also be performed:
If 104, user is the first user for carrying out iris information acquisition, user identifier is set.
User identifier is the foundation for distinguishing different user, and a user at least has a corresponding user identifier.
105, positional relationship is determined as pre-stored location relationship, and will be corresponding between pre-stored location relationship and user identifier
Relationship is stored to database.
It, can be with the iris information of the same user acquired before after iris information in order to ensure acquiring user again
Matched, in the present invention it is possible to established using user identifier first collected iris information with it is currently collected
Corresponding relationship between the iris information of same user.
In the present invention, pre-stored location relationship, first collected iris information and user identifier can be stored to number
According in library.Wherein, a user identifier can only correspond to a pre-stored location relationship, and a user identifier can only correspond to an iris
Information, and same pre-stored location relationship can correspond at least one user identifier, same pre-stored location relationship can correspond at least
One iris information.
In the present invention, if active user is the first user for carrying out iris information acquisition, needing will be collected pre-
The corresponding relationship between positional relationship and set user identifier is deposited to store to database.In this way in subsequent carry out iris information
When authentication process, positional relationship of the user in acquisition iris information for the first time can be found in the database in order to terminal, and
Generate adjustment information.
In an implementation of the embodiment of the present invention, if user is the non-first user for carrying out iris information acquisition,
Terminal can also determine pre-stored location relationship corresponding with user identifier according to user identifier, and generate adjustment information.Therefore,
It is also implemented as implementation as shown in Figure 5.Wherein, it is worn in the camera for executing step 101 acquisition terminal with user
Before the positional relationship between earphone worn, step 106 can also be performed；If step 102 positional relationship with it is pre- in database
Positional relationship difference is deposited, then generates adjustment information, step 1021 can be implemented as:
If 106, user is the non-first user for carrying out iris information acquisition, user identifier is obtained.
If 1021, positional relationship pre-stored location relationship corresponding from user identifier in database is different, adjustment letter is generated
Breath.
In view of a user identifier can correspond to a unique pre-stored location relationship, therefore, when user be it is non-for the first time into
When the user of row iris information acquisition, it can be determined according to acquired user identifier in database and be existed with the user identifier
The pre-stored location information of unique corresponding relation, and adjustment information is generated according to the pre-stored location information.
In an implementation of the embodiment of the present invention, the scheme of specific adjustment positional relationship is provided.Therefore, such as
On the basis of implementation shown in Fig. 2, it is also implemented as implementation as shown in FIG. 6.Wherein, step 103 is being executed
It, can be with before acquiring the iris information of user and identification after terminal or user adjust positional relationship according to adjustment information
Execute step 107:
107, according to adjustment information, the longitude of terminal, latitude, vertical height with respect to the horizontal plane and in three-dimensional space are adjusted
Between in be formed by angle with three reference planes respectively.
In the present invention, other than it can be adjusted using the above scheme to the location information of terminal, can also lead to
It crosses change user's head and is presently in the location information of position to achieve the effect that adjust pupil position, can similarly reach in this way
To the effect of adjustment positional relationship.For specifically adjusting the mode of positional relationship, is not limited in the present invention.
The embodiment of the present invention provides a kind of iris identification device 20, as shown in fig. 7, the device 20 can be applied to terminal,
And method flow as shown in Figures 2 to 6 is executed, which includes:
Communication module 21, the positional relationship between earphone that camera and user for obtaining terminal are worn；
If processing module 22 generates adjustment information different from the pre-stored location relationship in database for positional relationship,
Adjustment information is used to indicate the positional relationship between user's adjustment camera and earphone.
Communication module 21 is also used to after terminal or user adjust positional relationship according to adjustment information, acquires user's
Iris information simultaneously identifies.
In an implementation of the embodiment of the present invention, communication module 21 is specifically used for:
Obtain camera location information and earphone location information, wherein location information include at least longitude, latitude,
Vertical height with respect to the horizontal plane, and angle is formed by with three reference planes respectively in three dimensions；
According to the location information of the location information of camera and earphone, determines the distance between camera and earphone and deviate
Angle, deviation angle are deviation angle or camera present position phase of the earphone present position relative to camera present position
For the deviation angle of earphone present position.
In an implementation of the embodiment of the present invention, processing module 22, if being also used to user is first progress iris
The user of information collection, then be arranged user identifier.
Processing module 22, is also used to for positional relationship being determined as pre-stored location relationship, and by pre-stored location relationship and user
Corresponding relationship between mark is stored to database.
Communication module 21 obtains user identifier if being also used to user is the non-first user for carrying out iris information acquisition.
Processing module 22, is specifically used for:
If positional relationship pre-stored location relationship corresponding from user identifier in database is different, adjustment information is generated.
In an implementation of the embodiment of the present invention, which is characterized in that processing module 22 is also used to:
According to adjustment information, the longitude of terminal, latitude, vertical height with respect to the horizontal plane and in three dimensions are adjusted
At least one in angle is formed by with three reference planes respectively.
Iris identification device provided by the invention is compared to caused by being identified in the prior art using iris information accidentally
To there is the user of unlock terminal, the permission for accessing data to be identified as being unsatisfactory for the user of above-mentioned permission, in the present invention it is possible to
Using following implementation: the positional relationship between earphone that the camera and user for obtaining terminal are worn, if positional relationship
It is different from the pre-stored location relationship in database, then generate the positional relationship being used to indicate between user's adjustment camera and earphone
Adjustment information acquire the iris information of user and knowledge and after terminal or user adjust positional relationship according to adjustment information
Not.By the adjustment of above-mentioned positional relationship, current Ubiety can be made identical or close as pre-stored location relationship, thus
It is collected for matching the iris of authentication with before the user in the iris information currently acquired that same user can be effectively improved
Similarity between information, therefore, be able to solve because for acquiring iris information the distance between camera and pickup area,
The difference of the factors such as angle and the pixel of camera, and make terminal collected iris information inaccuracy problem.
The embodiment of the present invention provides a kind of terminal, which includes at least iris identification device 20 as shown in Figure 7.
Terminal provided by the invention, solution will accidentally be had by being compared to caused by being identified in the prior art using iris information
Lock terminal, the user for the permission for accessing data is identified as being unsatisfactory for the user of above-mentioned permission, in the present invention it is possible to using as follows
Implementation: the positional relationship between earphone that the camera and user for obtaining terminal are worn, if positional relationship and database
In pre-stored location relationship it is different, then generate to be used to indicate user and adjust the adjustment of the positional relationship between camera and earphone and believe
Breath, and after terminal or user adjust positional relationship according to adjustment information, acquire the iris information of user and identification.By upper
The adjustment of positional relationship is stated, current Ubiety can be made identical or close as pre-stored location relationship, thus can effectively be mentioned
High same user is between the iris information currently acquired and the iris information collected before the user for matching authentication
Similarity be therefore able to solve because of the camera and the distance between pickup area, angle for acquiring iris information and take the photograph
The difference of the factors such as the pixel as head, and make terminal collected iris information inaccuracy problem.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for equipment reality
For applying example, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to embodiment of the method
Part explanation.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (English: Read-Only Memory, referred to as: ROM) or random access memory (English:
Random Access Memory, referred to as: RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (8)
1. a kind of iris identification method, which is characterized in that the described method includes:
The positional relationship between earphone that the camera and user for obtaining terminal are worn；
If the positional relationship is different from the pre-stored location relationship in database, adjustment information is generated, the adjustment information is used
The positional relationship between the camera and the earphone is adjusted in instruction user；
After the terminal or user adjust positional relationship according to the adjustment information, the iris information of user and knowledge are acquired
Not；The positional relationship between earphone that the camera for obtaining terminal and user are worn, comprising:
Obtain the location information of the camera and the location information of the earphone, wherein location information includes at least longitude, latitude
Degree, vertical height with respect to the horizontal plane, and angle is formed by with three reference planes respectively in three dimensions；
According to the location information of the location information of the camera and the earphone, determine between the camera and the earphone
Distance and deviation angle, the deviation angle be deviation of the earphone present position relative to the camera present position
The deviation angle of angle or the camera present position relative to the earphone present position.
2. the method according to claim 1, wherein being worn in the camera for obtaining terminal and user
Before positional relationship between earphone, comprising:
If the user is the first user for carrying out iris information acquisition, user identifier is set；
After positional relationship between the earphone that the camera for obtaining terminal and user are worn, comprising:
The positional relationship is determined as the pre-stored location relationship, and by the pre-stored location relationship and the user identifier it
Between corresponding relationship store to the database.
3. according to the method described in claim 2, it is characterized in that, being worn in the camera for obtaining terminal and user
Before positional relationship between earphone, comprising:
If the user is the non-first user for carrying out iris information acquisition, user identifier is obtained；
If the positional relationship is different from the pre-stored location relationship in database, adjustment information is generated, comprising:
If positional relationship pre-stored location relationship corresponding from user identifier described in database is different, the adjustment is generated
Information.
4. the method according to claim 1, which is characterized in that in the iris letter of the acquisition user
Before ceasing and identifying, comprising:
According to the adjustment information, the longitude of the terminal, latitude, vertical height with respect to the horizontal plane and in three-dimensional space are adjusted
Between in be formed by respectively with three reference planes in angle at least one of.
5. a kind of iris identification device, which is characterized in that described device includes:
Communication module, the positional relationship between earphone that camera and user for obtaining terminal are worn；
Processing module generates adjustment information if different from the pre-stored location relationship in database for the positional relationship, institute
It states adjustment information and is used to indicate user and adjust positional relationship between the camera and the earphone；
The communication module is also used to after the terminal or user adjust positional relationship according to the adjustment information, acquisition
The iris information of user and identification；The communication module, is specifically used for: obtaining the location information and the earphone of the camera
Location information, wherein location information includes at least longitude, latitude, vertical height with respect to the horizontal plane, and in three-dimensional space
Between in be formed by angle with three reference planes respectively；
According to the location information of the location information of the camera and the earphone, determine between the camera and the earphone
Distance and deviation angle, the deviation angle be deviation of the earphone present position relative to the camera present position
The deviation angle of angle or the camera present position relative to the earphone present position.
6. device according to claim 5, which is characterized in that the processing module, if it is first for being also used to the user
The user for carrying out iris information acquisition, then be arranged user identifier；
The processing module, is also used to for the positional relationship being determined as the pre-stored location relationship, and by the pre-stored location
Corresponding relationship between relationship and the user identifier is stored to the database；
The communication module obtains user's mark if being also used to the user is the non-first user for carrying out iris information acquisition
Know；
The processing module, is specifically used for:
If positional relationship pre-stored location relationship corresponding from user identifier described in database is different, the adjustment is generated
Information.
7. the device according to any one of claim 5 to 6, which is characterized in that the processing module is also used to:
According to the adjustment information, the longitude of the terminal, latitude, vertical height with respect to the horizontal plane and in three-dimensional space are adjusted
Between in be formed by respectively with three reference planes in angle at least one of.
8. a kind of terminal, which is characterized in that the terminal includes at least any one iris as described in claim 5 to 7 and knows
Other device.
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| CN101520838A (en) * | 2008-02-27 | 2009-09-02 | 中国科学院自动化研究所 | Automatic-tracking and automatic-zooming method for acquiring iris images |
| CN102270041A (en) * | 2010-06-04 | 2011-12-07 | 索尼电脑娱乐公司 | Selecting view orientation in portable device via image analysis |
| CN103763440A (en) * | 2014-02-19 | 2014-04-30 | 联想(北京)有限公司 | Information processing method, electronic device accessory and electronic device |
| CN104239857A (en) * | 2014-09-05 | 2014-12-24 | 深圳市中控生物识别技术有限公司 | Identity recognition information acquisition method, device and system |
| CN104754216A (en) * | 2015-03-06 | 2015-07-01 | 广东欧珀移动通信有限公司 | Photographing method and device |
| CN105357442A (en) * | 2015-11-27 | 2016-02-24 | 小米科技有限责任公司 | Shooting angle adjustment method and device for camera |
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