CN105791696A - Fingerprint shooting method and apparatus of mobile terminal, and mobile terminal - Google Patents
Fingerprint shooting method and apparatus of mobile terminal, and mobile terminal Download PDFInfo
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- CN105791696A CN105791696A CN201610210446.6A CN201610210446A CN105791696A CN 105791696 A CN105791696 A CN 105791696A CN 201610210446 A CN201610210446 A CN 201610210446A CN 105791696 A CN105791696 A CN 105791696A
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- fingerprint
- mobile terminal
- current finger
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- print image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/61—Control of cameras or camera modules based on recognised objects
- H04N23/611—Control of cameras or camera modules based on recognised objects where the recognised objects include parts of the human body
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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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
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
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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
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Abstract
The embodiment of the invention discloses a fingerprint shooting method and apparatus of a mobile terminal, and a mobile terminal. The method comprises: when a single-hand-holding fingerprint shooting event is monitored to be triggered, a current fingerprint image identified by a fingerprint sensor is obtained; if the current fingerprint image matches a pre-stored standard fingerprint image, a finger orientation corresponding to the current fingerprint image is analyzed; and the analyzed finger orientation is compared with a preset standard direction and correlated shooting operation of a camera is controlled according to a comparison result. According to the technical scheme, when a user holds a mobile terminal by one hand and carries out shooting by fingerprint verification, if fingerprint verification is done successfully, a current fingerprint orientation of the user is analyzed and is compared with a fingerprint orientation corresponding a preset standard holding state; and thus whether the holding way of the user is standard can be determined, so that the correlated shooting operation of the camera can be controlled. Therefore, the shooting scheme in a single-hand mobile terminal holding state can be optimized and the user experience is improved.
Description
Technical field
The present embodiments relate to shooting technology field, particularly relate to the fingerprint photographic method of a kind of mobile terminal, device and mobile terminal.
Background technology
At present, camera function has become the standard configuration of mobile terminal, and mobile phone users can record scenery at one's side and splendid moment in daily life conveniently.Mobile terminal compares Professional Photography equipment, possesses compact, easy to carry and simple operation and other advantages, but owing to hardware configuration being subject to volumetric constraint, so camera function is also slightly inferior.More and more use mobile terminal to take pictures along with user, user is also more and more higher to the requirement of the camera function of mobile terminal.
User is when using mobile terminal to take pictures; one hand is often used to grip mobile terminal and use a finger of the same hand key of taking pictures to shoot; the another hands free time so can be made to get off to do other things, such as handbag or do gesture (as autodyne time) etc..This shooting style makes actual of user fix mobile terminal by four fingers and palm, is easy to cause owing to gripping shakiness the shake of mobile terminal when being clicked taken pictures key by the 5th finger, affects effect of taking pictures.
Summary of the invention
The purpose of the embodiment of the present invention is to provide the fingerprint photographic method of a kind of mobile terminal, device and mobile terminal, to optimize the scheme of taking pictures when being hold by one hand mobile terminal.
First aspect, embodiments provides the fingerprint photographic method of a kind of mobile terminal, including:
Monitor and be hold by one hand the fingerprint event of taking pictures when being triggered, obtain the current finger print image that fingerprint sensor recognizes；
If described current finger print image and the standard fingerprint images match prestored, then analyze finger corresponding to described current finger print image towards；
The finger analyzed is compared towards with preset standard direction, controls the associative operation of taking pictures of photographic head according to comparative result, wherein, described preset standard direction corresponding under preset standard grip state for press the finger of described fingerprint sensor towards.
Second aspect, embodiments provides the fingerprint camera arrangement of a kind of mobile terminal, including:
Fingerprint image acquisition module, for monitor be hold by one hand the fingerprint event of taking pictures be triggered time, obtain the current finger print image that recognizes of fingerprint sensor；
Finger is towards analysis module, for when described current finger print image is with the standard fingerprint images match prestored, analyze finger corresponding to described current finger print image towards；
Comparison module, for the finger analyzed is compared towards with preset standard direction, wherein, described preset standard direction corresponding to the finger under preset standard grip state towards；
Take pictures control module, control the associative operation of taking pictures of photographic head for the comparative result according to described comparison module.
The third aspect, embodiments provides a kind of mobile terminal, and described mobile terminal is integrated with the fingerprint camera arrangement of the mobile terminal described in the embodiment of the present invention.
The fingerprint of mobile terminal provided in the embodiment of the present invention is taken pictures scheme, monitor and be hold by one hand the fingerprint event of taking pictures when being triggered, obtain the current finger print image that fingerprint sensor recognizes, if current finger print image and the standard fingerprint images match prestored, then analyze finger corresponding to current finger print image towards, by comparing finger towards the associative operation of taking pictures controlling photographic head with preset standard direction.By adopting technique scheme, when user is hold by one hand mobile terminal and is taken pictures by fingerprint authentication, if fingerprint authentication success, then analyze the current finger of user towards, and with corresponding to the finger under preset standard grip state towards comparing, the holding mode whether standard of user can be learnt, and then control the associative operation of taking pictures of photographic head, optimize the scheme of taking pictures when being hold by one hand mobile terminal, Consumer's Experience can be promoted.
Accompanying drawing explanation
The schematic flow sheet of the fingerprint photographic method of a kind of mobile terminal that Fig. 1 provides for the embodiment of the present invention one；
A kind of fingerprint image schematic diagram that Fig. 2 provides for the embodiment of the present invention one；
The schematic flow sheet of the fingerprint photographic method of a kind of mobile terminal that Fig. 3 provides for the embodiment of the present invention two；
A kind of current finger that Fig. 4 provides for the embodiment of the present invention two is towards the contrast schematic diagram with preset standard direction；
The structured flowchart of the fingerprint camera arrangement of a kind of mobile terminal that Fig. 5 provides for the embodiment of the present invention three.
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with accompanying drawing and by detailed description of the invention.It is understood that specific embodiment described herein is used only for explaining the present invention, but not limitation of the invention.It also should be noted that, for the ease of describing, accompanying drawing illustrate only part related to the present invention but not entire infrastructure.
It should be mentioned that, some exemplary embodiments are described as the process as flow chart description or method before being discussed in greater detail exemplary embodiment.Although each step is described as the process of order by flow chart, but many steps therein can be implemented concurrently, concomitantly or simultaneously.Additionally, the order of each step can be rearranged.Described process can be terminated when its operations are completed, it is also possible to have the additional step being not included in accompanying drawing.Described process can correspond to method, function, code, subroutine, subprogram etc..
Embodiment one
The schematic flow sheet of the fingerprint photographic method of a kind of mobile terminal that Fig. 1 provides for the embodiment of the present invention one, the method can be performed by the fingerprint camera arrangement of mobile terminal, and wherein this device can be realized by software and/or hardware, generally can integrated in the terminal.As it is shown in figure 1, the method includes:
Step 101, monitor and be hold by one hand the fingerprint event of taking pictures when being triggered, obtain the current finger print image that fingerprint sensor recognizes.
Exemplary, the mobile terminal in the present embodiment is concretely configured with the terminal units such as the mobile phone of fingerprint sensor, panel computer and digital camera.
At present, fingerprint sensor has become as the standard configuration of a lot of mobile terminal so that mobile terminal can support fingerprint identification function.Fingerprint identification function can be used for common terminal unlocking, application program logs in and in the application scenarios such as payment verification, additionally, also can be combined the experience of taking pictures to provide user new with camera function.Fingerprint is taken pictures and specifically can be referred to, user presses fingerprint sensor under exposal model, if fingerprint authentication success, is then made directly and takes pictures, this shooting style is possible not only to weaken the click shoot button of routine and operates the vibrations brought, it is also ensured that the use authority of camera function.
In the present embodiment, monitor and be hold by one hand the fingerprint event of taking pictures and be triggered, specifically can refer to that monitoring fingerprint sensor under being hold by one hand exposal model is pressed.Exemplary, can taking pictures to arrange to increase in menu and be hold by one hand shooting mode switch at mobile terminal, by system default or arranged whether to open according to individual's use habit by user and be hold by one hand screening-mode.
Exemplary, fingerprint sensor can gather user to carry out the finger print information of finger of pressing operation and generates fingerprint image, obtains the current finger print image that fingerprint sensor recognizes, for verifying the shooting authority of active user in this step.
If step 102 current finger print image and the standard fingerprint images match prestored, then analyze finger corresponding to current finger print image towards.
Fingerprint sensor is generally positioned at the middle lower section in mobile terminal front or the middle top at the mobile terminal back side.When being arranged at the middle lower section in front, user generally uses thumb press fingerprint sensor under being hold by one hand state；When being arranged at the middle lower section in front, user generally uses forefinger or middle finger pressing fingerprint sensor under being hold by one hand state.Exemplary, the standard fingerprint image prestored can be shift to an earlier date, according to user, the fingerprint image that the finger print information of typing generates.When user carries out typing in advance, user can be pointed out to be accustomed to being put on fingerprint sensor corresponding finger according to the gripping of oneself.
Exemplary, if current finger print image and the standard fingerprint images match prestored, can illustrate that subscriber authentication is passed through, active user possesses the authority that use mobile terminal carries out taking pictures.Now, can continue to analyze finger corresponding to current finger print image towards.Fingerprint is high as the biological characteristic complexity of human body, and each fingerprint is unique, but the distribution of fingerprint possesses certain rule, can analyze finger towards.Concrete, finger bearing of trend corresponding to current finger print image (i.e. direction pointed by finger fingertip) can be gone out according to the fingerprint form information analysis comprised in current finger print image, using finger bearing of trend as finger corresponding to current finger print image towards.Such as, the overall bending direction of fingerprint is to tend to finger tip direction, so finger bearing of trend can be gone out according to fingerprint form information analysis.A kind of fingerprint image schematic diagram that Fig. 2 provides for the embodiment of the present invention one, as in figure 2 it is shown, the overall bending direction of fingerprint 210 is to tend to finger tip direction, thus can analyze finger bearing of trend is the direction indicated by arrow 220.
Step 103, the finger analyzed is compared towards with preset standard direction, control the associative operation of taking pictures of photographic head according to comparative result.
Wherein, preset standard direction corresponding to the finger under preset standard grip state towards.
Photographic head in the present embodiment can include front-facing camera, post-positioned pick-up head and rotating camera.
Exemplary, preset standard grip state can be derived from by human engineering scheduling theory, it is possible to going out by experimental data, the present embodiment is not especially limited.Optional a kind of mode is, can evaluate multiple (such as 100) user in the degree of stability adopting different grip to grip mobile terminal, preceding for degree of stability ranking one or more grip state are defined as preset standard grip state；Also multiple user can be gathered under same shooting condition (including the acquisition parameters value of shooting environmental and mobile terminal), one or more grip state corresponding to preceding for shooting effect ranking photo are defined as preset standard grip state by photo captured during different grip state.By press under preset standard grip state the finger of fingerprint sensor towards being set as preset standard direction.It should be noted that, preset standard direction in the present embodiment can be stored in mobile terminal after drawing by the way, user carry out fingerprint take pictures time, extracting directly preset standard direction compares, and user when typing standard fingerprint image not by the restriction in preset standard direction, namely user can when without learning preset standard direction any finger of typing towards standard fingerprint image.
Exemplary, preset standard direction can be understood as when fingerprint is taken pictures preferably finger towards, by the current finger analyzed towards after comparing with preset standard direction, adjusting, according to comparative result, strategy of taking pictures.Such as, if current finger is towards substantial deviation preset standard direction (such as current finger towards the angle between preset standard direction more than default angle threshold value), can illustrate that current grip state is very bad, photographing instruction can be intercepted and point out user adjust grip and how to adjust grip；And for example, if current finger is towards consistent with preset standard direction, then can directly control photographic head and take pictures；For another example, if current finger is closer to towards with preset standard direction ratio, then can by strengthen the stabilization effect of mobile terminal compensate finger towards deviation.
If it should be noted that preset standard direction is multiple, then can will be defined as current preset levels direction towards immediate preset standard direction with current finger, and current finger is compared towards with current preset levels direction.
The fingerprint photographic method of the mobile terminal that the embodiment of the present invention one provides, monitor and be hold by one hand the fingerprint event of taking pictures when being triggered, obtain the current finger print image that fingerprint sensor recognizes, if current finger print image and the standard fingerprint images match prestored, then analyze finger corresponding to current finger print image towards, by comparing finger towards the associative operation of taking pictures controlling photographic head with preset standard direction.By adopting technique scheme, when user is hold by one hand mobile terminal and is taken pictures by fingerprint authentication, if fingerprint authentication success, then analyze the current finger of user towards, and with corresponding to the finger under preset standard grip state towards comparing, the holding mode whether standard of user can be learnt, and then control the associative operation of taking pictures of photographic head, optimize the scheme of taking pictures when being hold by one hand mobile terminal, Consumer's Experience can be promoted.
Embodiment two
The schematic flow sheet of the fingerprint photographic method of a kind of mobile terminal that Fig. 3 provides for the embodiment of the present invention two, the present embodiment is optimized based on above-described embodiment, in the present embodiment, " associative operation of taking pictures of photographic head will be controlled according to comparative result " to be optimized for: the current finger comprised in extraction comparison result is towards the angle between preset standard direction；Determine acquisition parameters value according to angle, and control photographic head shooting photo according to determined acquisition parameters value.
Accordingly, the method for the present embodiment comprises the steps:
Step 301, monitor and be hold by one hand the fingerprint event of taking pictures when being triggered, obtain the current finger print image that fingerprint sensor recognizes.
Step 302, judge current finger print image and whether mate with the standard fingerprint image prestored, if so, then perform step 303；Otherwise, process ends.
Exemplary, it is judged that current finger print image can be identical with existing fingerprint recognition mode with the concrete mode whether the standard fingerprint image prestored mates, and concrete implementation details is not construed as limiting by the present embodiment.If the standard fingerprint images match judging current finger print image and prestore, can illustrating that subscriber authentication is passed through, active user possesses the authority that use mobile terminal carries out taking pictures, and can continue executing with step 203；If not mating, subscriber authentication failure can being described, active user does not possess the authority that use mobile terminal carries out taking pictures, and can terminate fingerprint and take pictures.
Step 303, analyze current finger corresponding to current finger print image towards.
Concrete, finger bearing of trend corresponding to current finger print image (i.e. direction pointed by finger fingertip) can be gone out according to the fingerprint form information analysis comprised in current finger print image, using finger bearing of trend as finger corresponding to current finger print image towards.
Step 304, being compared towards with preset standard direction by current finger, the current finger comprised in extraction comparison result is towards the angle between preset standard direction.
Wherein, preset standard direction corresponding under preset standard grip state for press the finger of described fingerprint sensor towards.Exemplary, when fingerprint sensor is arranged at the middle lower section in mobile terminal front, user generally uses thumb press fingerprint sensor under being hold by one hand state, and preset standard direction is parallel with the width of mobile terminal, if left-handed, then preset standard direction is point to right width；If the right hand grips, then preset standard direction is point to left width.
A kind of current finger that Fig. 4 provides for the embodiment of the present invention two is towards the contrast schematic diagram with preset standard direction, preset standard direction is such as shown in the first arrow 403, the current finger of current finger print image 401 correspondence is towards such as shown in the second arrow 402, and current finger is α towards the angle between preset standard direction.
Step 305, determine acquisition parameters value according to angle.
Exemplary, described acquisition parameters value includes time of exposure and/or light sensitivitys.Wherein, ISO is the meaning of light sensitivitys, the abbreviation of its Ye Shi International Organization for Standardization (InternationalStandardizationOrganization, ISO), and also light sensitivitys has been done quantization regulation by this tissue just simultaneously.
Preferably, inquire about the fingerprint angle preset and acquisition parameters corresponding relation data according to angle, and determine the acquisition parameters value that angle is corresponding.Exemplary, definable is according to current shooting environment determined acquisition parameters value benchmark acquisition parameters value.When angle is 0, the grip standard of user can being described, mobile terminal is more stable, can directly use benchmark acquisition parameters value to shoot；When angle is not 0, can illustrating that the grip of user and standard gestures exist deviation, mobile terminal is not sufficiently stable, and would be likely to occur shake in shooting process, it is necessary to making adjustment on the basis of benchmark acquisition parameters value strengthens stabilization effect.It is understood that angle is more big, then the grip of user is more nonstandard, and jitter conditions is more serious.The mode that can combine by reducing time of exposure (raising shutter speed), raising ISO or this two kinds of means strengthens the stabilization effect of mobile terminal, and then improves the shooting quality of photo.The fingerprint angle preset adjusts mode and adjusts range value from the acquisition parameters value that can comprise in acquisition parameters corresponding relation data corresponding to different angle, such as, the adjustment mode that angle α is corresponding is to reduce time of exposure, adjusting range value is that time of exposure reduces by half, if according to the benchmark time of exposure that current shooting environment is determined is A, then determine that time of exposure is 0.5A according to angle α.
Step 306, according to determined acquisition parameters value control photographic head shooting photo.
Exemplary, when use is taken pictures according to the determined acquisition parameters value of angle, it is possible to reduce the shake impact on quality of taking pictures on the basis of correct exposure, it is achieved intelligence stabilization, improve shooting effect.
The fingerprint photographic method of the mobile terminal that the embodiment of the present invention two provides, weigh user according to current finger towards the angle between preset standard direction and grip the state whether standard of mobile terminal, if it is nonstandard, then determine acquisition parameters value according to angle, the shake impact on quality of taking pictures can be reduced on the basis of correct exposure, realize intelligence stabilization, improve shooting effect.
Embodiment three
The structured flowchart of the fingerprint camera arrangement of a kind of mobile terminal that Fig. 5 provides for the embodiment of the present invention three, this device can be realized by software and/or hardware, is typically integrated in mobile terminal, can carry out fingerprint by the fingerprint photographic method of execution mobile terminal and take pictures.As it is shown in figure 5, this device include fingerprint image acquisition module 501, finger towards analysis module 502, comparison module 503 and take pictures control module 504.
Wherein, fingerprint image acquisition module 501, for monitor be hold by one hand the fingerprint event of taking pictures be triggered time, obtain the current finger print image that recognizes of fingerprint sensor；Finger is towards analysis module 502, for when described current finger print image is with the standard fingerprint images match prestored, analyze current finger corresponding to described current finger print image towards；Comparison module 503, for described current finger is compared towards with preset standard direction, wherein, described preset standard direction corresponding to the finger under preset standard grip state towards；Take pictures and control module 504, control the associative operation of taking pictures of photographic head for the comparative result according to described comparison module.
The fingerprint camera arrangement of the mobile terminal that the embodiment of the present invention provides, when user is hold by one hand mobile terminal and is taken pictures by fingerprint authentication, if fingerprint authentication success, then analyze the current finger of user towards, and with corresponding to the finger under preset standard grip state towards comparing, the holding mode whether standard of user can be learnt, and then control the associative operation of taking pictures of photographic head, optimize the scheme of taking pictures when being hold by one hand mobile terminal, promote Consumer's Experience.
On the basis of above-described embodiment, described finger is particularly used in towards analysis module: the fingerprint form information analysis according to comprising in described current finger print image goes out the finger bearing of trend that described current finger print image is corresponding, using described finger bearing of trend as current finger corresponding to described current finger print image towards.
On the basis of above-described embodiment, described in take pictures control module can include angle extraction unit, acquisition parameters value determines unit and control unit of taking pictures.Wherein, angle extraction unit, for extracting the described current finger that comprises in described comparative result towards the angle between preset standard direction；Acquisition parameters value determines unit, for determining acquisition parameters value according to described angle；Take pictures control unit, for determining that the acquisition parameters value that unit is determined controls photographic head shooting photo according to described acquisition parameters value.
On the basis of above-described embodiment, described acquisition parameters value determines that unit is particularly used in: the fingerprint angle preset according to the inquiry of described angle and acquisition parameters corresponding relation data, and determines the acquisition parameters value that described angle is corresponding.
On the basis of above-described embodiment, described acquisition parameters value includes time of exposure and/or light sensitivitys.
Embodiment four
The present embodiment four provides a kind of mobile terminal, and this mobile terminal is integrated with the fingerprint camera arrangement of the mobile terminal described in the embodiment of the present invention, can carry out fingerprint by the fingerprint photographic method of execution mobile terminal and take pictures.
Exemplary, the mobile terminal in the present embodiment is concretely configured with the terminal units such as the mobile phone of fingerprint sensor, panel computer and digital camera.
When user be hold by one hand the mobile terminal in the present embodiment carry out fingerprint take pictures time, if fingerprint authentication success, then mobile terminal can analyze the current finger of user towards, and with corresponding to the finger under preset standard grip state towards comparing, the holding mode whether standard of user can be learnt, and then the associative operation of taking pictures of control photographic head, optimize the scheme of taking pictures when being hold by one hand mobile terminal, Consumer's Experience can be promoted.
The fingerprint camera arrangement of the mobile terminal provided in above-described embodiment and mobile terminal can perform the fingerprint photographic method of the mobile terminal that any embodiment of the present invention provides, and possess the execution corresponding functional module of the method and beneficial effect.The not ins and outs of detailed description in the above-described embodiments, the fingerprint photographic method of the mobile terminal that can provide referring to any embodiment of the present invention.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (11)
1. the fingerprint photographic method of a mobile terminal, it is characterised in that including:
Monitor and be hold by one hand the fingerprint event of taking pictures when being triggered, obtain the current finger print image that fingerprint sensor recognizes；
If described current finger print image and the standard fingerprint images match prestored, then analyze current finger corresponding to described current finger print image towards；
Described current finger is compared towards with preset standard direction, controls the associative operation of taking pictures of photographic head according to comparative result, wherein, described preset standard direction corresponding under preset standard grip state for press the finger of described fingerprint sensor towards.
2. method according to claim 1, it is characterised in that analyze current finger corresponding to described current finger print image towards, including:
Fingerprint form information analysis according to comprising in described current finger print image goes out the finger bearing of trend that described current finger print image is corresponding, using described finger bearing of trend as current finger corresponding to described current finger print image towards.
3. method according to claim 1, it is characterised in that control the associative operation of taking pictures of photographic head according to comparative result, including:
Extract the described current finger that comprises in described comparative result towards the angle between preset standard direction；
Determine acquisition parameters value according to described angle, and control photographic head shooting photo according to determined acquisition parameters value.
4. method according to claim 3, it is characterised in that determine acquisition parameters value according to described angle, including:
The fingerprint angle preset according to the inquiry of described angle and acquisition parameters corresponding relation data, and determine the acquisition parameters value that described angle is corresponding.
5. method according to claim 3, it is characterised in that described acquisition parameters value includes time of exposure and/or light sensitivitys.
6. the fingerprint camera arrangement of a mobile terminal, it is characterised in that including:
Fingerprint image acquisition module, for monitor be hold by one hand the fingerprint event of taking pictures be triggered time, obtain the current finger print image that recognizes of fingerprint sensor；
Finger is towards analysis module, for when described current finger print image is with the standard fingerprint images match prestored, analyze current finger corresponding to described current finger print image towards；
Comparison module, for described current finger is compared towards with preset standard direction, wherein, described preset standard direction corresponding to the finger under preset standard grip state towards；
Take pictures control module, control the associative operation of taking pictures of photographic head for the comparative result according to described comparison module.
7. device according to claim 6, it is characterised in that described finger towards analysis module specifically for:
Fingerprint form information analysis according to comprising in described current finger print image goes out the finger bearing of trend that described current finger print image is corresponding, using described finger bearing of trend as current finger corresponding to described current finger print image towards.
8. device according to claim 6, it is characterised in that described in take pictures control module include:
Angle extraction unit, for extracting the described current finger that comprises in described comparative result towards the angle between preset standard direction；
Acquisition parameters value determines unit, for determining acquisition parameters value according to described angle；
Take pictures control unit, for determining that the acquisition parameters value that unit is determined controls photographic head shooting photo according to described acquisition parameters value.
9. device according to claim 8, it is characterised in that described acquisition parameters value determine unit specifically for:
The fingerprint angle preset according to the inquiry of described angle and acquisition parameters corresponding relation data, and determine the acquisition parameters value that described angle is corresponding.
10. device according to claim 8, it is characterised in that described acquisition parameters value includes time of exposure and/or light sensitivitys.
11. a mobile terminal, it is characterised in that described mobile terminal is integrated with the fingerprint camera arrangement of the mobile terminal as described in claim 6-10 any one.
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| CN109407937A (en) * | 2018-09-29 | 2019-03-01 | Oppo（重庆）智能科技有限公司 | Display control method and Related product |
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| CN109871820A (en) * | 2019-02-28 | 2019-06-11 | Oppo广东移动通信有限公司 | Shield the brightness control method and electronic device of lower optical finger print structure |
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