CN108270966A - A kind of method, mobile terminal and storage medium for adjusting light filling brightness - Google Patents
A kind of method, mobile terminal and storage medium for adjusting light filling brightness Download PDFInfo
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- CN108270966A CN108270966A CN201711443677.2A CN201711443677A CN108270966A CN 108270966 A CN108270966 A CN 108270966A CN 201711443677 A CN201711443677 A CN 201711443677A CN 108270966 A CN108270966 A CN 108270966A
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- brightness
- light filling
- light
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- preview 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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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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
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take 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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses it is a kind of adjust light filling brightness method, the method includes：Obtain preview image；Survey light is carried out to the preview image, obtains target photometry result；According to the correspondence between photometry result and acquisition parameters, target acquisition parameters corresponding with the target photometry result are obtained；The brightness of light filling is adjusted according to the target camera parameter.In addition, invention additionally discloses a kind of mobile terminal, the method and mobile terminal of a kind of adjustment light filling brightness that the present invention improves can avoid light filling brightness from excessive lightness or darkness situation occur, so as to improve light filling effect on the whole.
Description
Technical field
The present invention relates to mobile terminal control technology field more particularly to a kind of method for adjusting light filling brightness and movement eventually
End.
Background technology
With the fast development of mobile terminal, people are more and more using the occasion of mobile terminal, for example, people can lead to
It crosses mobile terminal and carries out voice communication, can also be taken pictures etc. by mobile terminal.People can pass through the bat of mobile terminal
Function is taken to the various scene capture pictures in daily life, under different bright scenes, needs to carry out different degrees of exposure
Light.In the prior art, during taking pictures, primary flash of light can be first opened, is focused and surveyed light, then carry out subsequent take pictures
Process results in photometry result inaccurate in this way, due to photometry result inaccuracy, the brightness of the light filling provided will appear it is bright or
Dark situation is crossed, causes the exposure effect of photo that shooting obtains poor.
As it can be seen that the light filling brightness of mobile terminal in shooting process how is adjusted as urgent problem to be solved.
Invention content
In view of this, the present invention proposes a kind of method and mobile terminal for adjusting light filling brightness, is asked with solving above-mentioned technology
Topic.
First, to achieve the above object, the present invention proposes a kind of method for adjusting light filling brightness, the method includes：
Obtain preview image；
Survey light is carried out to the preview image, obtains target photometry result；
According to the correspondence between photometry result and acquisition parameters, target corresponding with the target photometry result is obtained
Acquisition parameters；
The brightness of light filling is adjusted according to the target camera parameter.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
According to the correspondence between the camera parameter and brightness obtained in advance, obtain and the target acquisition parameters pair
The first brightness answered；
It is the second brightness by the brightness adjustment of light filling, the value of second brightness is the first brightness and current environment
Difference between brightness.
Optionally, it after described the step of being adjusted according to the target camera parameter to the brightness of light filling, further includes：
Photo is shot according to the target camera parameter.
Optionally, it is described the brightness of light filling is adjusted according to the target camera parameter before, further include：
Identify the facial image of the preview image；
If recognizing facial image, the distance between the corresponding face of the facial image and the camera are determined；
It is described that the brightness of light filling is adjusted according to the target camera parameter, including：
The brightness of light filling is adjusted according to the target acquisition parameters and the determining distance；
The target acquisition parameters include exposure time, described that the brightness of light filling is carried out according to the target camera parameter
After adjustment, further include：
Stop carrying out light filling after the exposure time.
Optionally, it is described that survey light is carried out to the preview image, target photometry result is obtained, including：
Detect environmental light brightness；
If the environmental light brightness is less than default light filling luminance threshold, performs and described the preview image is surveyed
Light obtains target acquisition parameters.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
The brightness for the light that light compensating lamp emits is adjusted according to the target camera parameter.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
If obtaining the preview image by front camera, and facial image is recognized in the preview image, then root
According to the brightness of the light of target camera parameter adjustment screen emissions.
Optionally, the acquisition preview image, including：
Receive default self-timer operation；
It is operated according to the default self-timer, the preview image is obtained by front camera.
Further, to achieve the above object, the present invention also provides a kind of mobile terminal, the mobile terminal includes storage
Device, at least one processor and at least one journey that is stored on the memory and can be performed at least one processor
Sequence, at least one program realize the step in the method for above-mentioned adjustment light filling brightness when being performed by least one processor
Suddenly.
Further, to achieve the above object, the present invention also provides a kind of storage medium, the storage medium is stored with meter
At least one program that calculation machine can perform, at least one program perform the computer when being performed by the computer
State the step in the method for adjustment light filling brightness.
Compared to the prior art, the method for adjustment light filling brightness proposed by the invention obtains preview image；To described pre-
Image of looking at carries out survey light, obtains target photometry result；According to the correspondence between photometry result and acquisition parameters, acquisition and institute
State the corresponding target acquisition parameters of target photometry result；The brightness of light filling is adjusted according to the target camera parameter.This
Sample can improve the accuracy of photometry result, since the accuracy of photometry result is high, be shot according to the target that photometry result obtains
The accuracy of parameter is also higher, it is ensured that the brightness of light filling adjusted according to target acquisition parameters and the matching degree ratio of photographed scene
It is higher, light filling brightness is avoided excessive lightness or darkness situation occur, so as to improve light filling effect on the whole.
Description of the drawings
Fig. 1 is a kind of hardware architecture diagram for the mobile terminal for realizing each embodiment of the present invention；
Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of method for adjusting light filling brightness provided in an embodiment of the present invention；
Fig. 4 is the flow diagram of the method for another adjustment light filling brightness provided in an embodiment of the present invention；
Fig. 5 is a kind of application environment schematic diagram of mobile terminal provided in an embodiment of the present invention；
Fig. 6 is the application environment schematic diagram of another mobile terminal provided in an embodiment of the present invention；
Fig. 7 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention；
Fig. 8 is a kind of high-level schematic functional block diagram of mobile terminal provided in an embodiment of the present invention；
Fig. 9 is the high-level schematic functional block diagram of another mobile terminal provided in an embodiment of the present invention；
Figure 10 is the high-level schematic functional block diagram of another mobile terminal provided in an embodiment of the present invention；
Figure 11 is the high-level schematic functional block diagram of another mobile terminal provided in an embodiment of the present invention；
Figure 12 is the high-level schematic functional block diagram of another mobile terminal provided in an embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, using for representing that the suffix of such as " module ", " component " or " unit " of element is only
Be conducive to the explanation of the present invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention can include such as mobile phone, tablet
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
The shiftings such as media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer
The dynamic fixed terminals such as terminal and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
For moving except the element of purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware architecture diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Dynamic terminal 100 can include：RF (Radio Frequency, radio frequency) unit 101, WiFi module 102, audio output unit
103rd, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108th, the components such as memory 109, processor 110 and power supply 111, the number of the processor 110 is at least one.Ability
Field technique personnel are appreciated that the mobile terminal structure shown in Fig. 1 does not form the restriction to mobile terminal, and mobile terminal can
To include either combining certain components or different components arrangement than illustrating more or fewer components.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1：
Radio frequency unit 101 can be used for receive and send messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, handled to processor 110；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, it penetrates
Frequency unit 101 can also communicate with network and other equipment by radio communication.Above-mentioned wireless communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and must be configured into for mobile terminal is not belonging to, it completely can be according to need
It to be omitted in the range for the essence for not changing invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
Formula, speech recognition mode, broadcast reception mode when under isotypes, it is that radio frequency unit 101 or WiFi module 102 are received or
The audio data stored in memory 109 is converted into audio signal and exports as sound.Moreover, audio output unit 103
The relevant audio output of specific function performed with mobile terminal 100 can also be provided (for example, call signal receives sound, disappears
Breath receives sound etc.).Audio output unit 103 can include loud speaker, buzzer etc..
A/V input units 104 are used to receive audio or video signal.A/V input units 104 can include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the static images or the image data of video obtained in image capture mode by image capture apparatus (such as camera) carry out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the form output that mobile communication base station can be sent to via radio frequency unit 101 in the case of telephone calling model.
Microphone 1042 can implement various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared ray sensor, details are not described herein.
Display unit 106 is used to show by information input by user or be supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode may be used
Display panel 1061 is configured in forms such as (Organic Light-Emitting Diode, OLED).
User input unit 107 can be used for receiving the number inputted or character information and generation and the use of mobile terminal
The key signals input that family is set and function control is related.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects such as finger, stylus or attachment on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
Contact coordinate is converted into, then gives processor 110, and the order that processor 110 is sent can be received and performed.It in addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited to physical keyboard, in function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
It is one or more, do not limit herein specifically.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the component independent as two to realize the function that outputs and inputs of mobile terminal, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) can include wired or wireless head-band earphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and at least one element that the input received is transferred in mobile terminal 100 or can use
In transmitting data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storage software program and various data.Memory 109 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part is stored in storage by running or performing the software program being stored in memory 109 and/or module and call
Data in device 109 perform the various functions of mobile terminal and processing data, so as to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include at least one processing unit；Preferably, processor 110 can integrate application processor and modulation /demodulation processing
Device, wherein, the main processing operation system of application processor, user interface and application program etc., modem processor is mainly located
Reason wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, so as to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
For the ease of understanding the embodiment of the present invention, below to the communications network system that is based on of mobile terminal of the present invention into
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system
The LTE system united as universal mobile communications technology, the LTE system include the UE (User Equipment, the use that communicate connection successively
Family equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS lands
Ground wireless access network) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP operation
204。
Specifically, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 can include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate Way,
Gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and some are preserved in relation to use such as service features, data rates
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address is distributed and other functions, and PCRF2036 is business data flow and the strategy of IP bearing resources and charging control strategic decision-making
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 can include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedia
System) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And following new network system etc., it does not limit herein.
Based on above-mentioned 100 hardware configuration of mobile terminal and communications network system, each embodiment of the method for the present invention is proposed.
Refering to Fig. 3, Fig. 3 be it is provided in an embodiment of the present invention it is a kind of adjust light filling brightness method flow chart, the side
Method is applied to a mobile terminal, as shown in figure 3, the method includes：
Step 301 obtains preview image.
In embodiments of the present invention, preview image can be obtained by camera, the preview image is is being not switched on mending
The preview image obtained under the scene of light.In this way, the preview image obtained is not influenced by light filling, it can reflect current bat
Take the photograph the practical bright intensity under scene.
For example, the preview graph that obtains in first 3 seconds after camera can be started after photographing operation is received
Picture, without carrying out light filling in first 3 seconds after starting camera.
Step 302 carries out survey light to the preview image, obtains target photometry result.
In embodiments of the present invention, the mode for the preview image survey light can include spot light-metering mode and part
Exposure Metering etc..Specifically, the spot light-metering mode refers to carry out survey light to a point, which is typically in entire picture
The heart, the image-region for accounting for 9% or so size of full figure carry out survey light.Spot light-metering mode can select a click-through from preview image
Row surveys light, is not influenced by other light.It, can be by spot light-metering mode to preview image under the strong scene of comparison of light and shade
Carry out survey light.Such as when under the scene for clapping portrait, it is possible to carry out spot light-metering for figure Partial metering of face mode picture, obtain institute
State target photometry result.When the scene for shooting big light and contrasting piece, such as half sky and the other half photographed scene in shade
Under, can survey light be carried out to preview image by spot light-metering mode.Partial metering's mode refers to the partial zones in image
Domain carries out survey light, and the photometry region in Partial metering's mode is more than the photometry region in electrical measurement region.
In embodiments of the present invention, the target photometry result includes the light reflectance of subject.
Step 303, according to the correspondence between photometry result and acquisition parameters, obtain and the target photometry result pair
The target acquisition parameters answered.
In embodiments of the present invention, the acquisition parameters include the parameters such as exposure value and exposure time.It can prestore
Correspondence between photometry result and acquisition parameters.Specifically, can light will be surveyed according to experimental data value or empirical value
As a result the reflectivity in establishes correspondence with acquisition parameters.
In this way, corresponding target acquisition parameters can be obtained by target photometry result, target acquisition parameters can be improved
Accuracy, so as to improve according to target acquisition parameters adjust light filling accuracy.
Step 304 is adjusted the brightness of light filling according to the target camera parameter.
In embodiments of the present invention, which may comprise steps of：It is determined pair according to the target acquisition parameters
The electric current answered inputs the determining electric current to luminescent device, and after luminescent device receives the determining electric current, transmitting is corresponding
The light of brightness.Specifically, the luminescent device can include LED light supplement lamp and screen etc..
In embodiments of the present invention, target camera parameter is got according to photometry result, under photographed scene, according to target
It, can be to avoid occurring the situation that light is excessively bright or light is excessively dark in photographed scene after acquisition parameters are adjusted light filling.Right
After light filling is adjusted, image taking can be completed, the overall exposing effect of obtained image is relatively good, can improve photo
Total quality.
In embodiments of the present invention, when user carries out light filling using the mobile terminal in embodiment to take pictures, mobile terminal
After control luminescent device carries out light filling, even if shooting environmental changes because of the light filling of luminescent device transmitting without weight
It is new to survey light, but directly take pictures according to the target acquisition parameters obtained before light filling, it can effectively promote light filling and take pictures speed
Degree improves user experience.
The method of adjustment light filling brightness provided in an embodiment of the present invention, obtains preview image；The preview image is carried out
Light is surveyed, obtains target photometry result；According to the correspondence between photometry result and acquisition parameters, obtain and survey light with the target
As a result corresponding target acquisition parameters；The brightness of light filling is adjusted according to the target camera parameter.In such manner, it is possible to it improves
The accuracy of photometry result, since the accuracy of photometry result is high, according to the accurate of the target acquisition parameters of photometry result acquisition
Degree is also higher, it is ensured that and it is higher according to the matching degree of the brightness of the light filling of target acquisition parameters adjustment and photographed scene, it avoids
There is excessive lightness or darkness situation in the brightness of light filling, so as to improve light filling effect on the whole.
Referring to Fig. 4, Fig. 4 is the flow diagram of the method for another adjustment light filling brightness provided in an embodiment of the present invention,
The method of the adjustment light filling brightness is applied to mobile terminal, as shown in figure 4, the method includes：
Step 401 obtains preview image.
In embodiments of the present invention, can preview image be obtained by front camera or rear camera, it is described pre-
Image of looking at is the preview image obtained under the scene for being not switched on light filling, and preview image can be the face figure in self-timer photo
Picture.In this way, the preview image obtained is not influenced by light filling, can reflect practical bright strong under present filming scene
Degree.
For example, the preview that obtains in first 3 seconds after front camera can be started after self-timer operation is received
Image, mobile terminal are not turned on light filling in first 3 seconds after starting camera.
Optionally, which may comprise steps of：
Receive default self-timer operation；
It is operated according to the default self-timer, the preview image is obtained by front camera.
In embodiments of the present invention, the default self-timer operation can include clicking touch control operation, double-click touch control operation or
Multi-hit touch control operation.
For example, if received on self-timer button click touch control operation when, start front camera, and pass through startup
Front camera afterwards obtains preview image.
In this way, when carrying out self-timer, light filling can be carried out automatically, improved from the exposure effect taken a picture, improved on the whole
The quality of photo.
It should be noted that the embodiment can also be applied to the corresponding embodiments of Fig. 3 and reach identical beneficial
Effect is repeated to avoid, and details are not described herein again.
Step 402 carries out survey light to the preview image, obtains target photometry result.
In embodiments of the present invention, optional Exposure Metering can be pre-set, can be in preview image clapped
Object Selection Exposure Metering is taken the photograph, for example, selected element Exposure Metering when having face in subject, when subject is landscape
When select average metering mode.
Specifically, the spot light-metering mode refers to carry out survey light to a point, which is typically entire picture center, is accounted for
The image-region of 9% or so size of full figure carries out survey light.Spot light-metering mode can select a point to be surveyed from preview image
Light is not influenced by other light.Under the strong scene of comparison of light and shade, preview image can be carried out by spot light-metering mode
Survey light.For example, when under the scene for clapping portrait, it is possible to which selected element Exposure Metering carries out spot light-metering for face's figure, described in acquisition
Target photometry result.
The average metering mode refers to that the average value using light intensities all in image as light numerical value is surveyed, does not consider to scheme
The theme of picture, for the average image of illumination, the results contrast that average metering mode measures is accurate.For example, illumination
Under uniform landscape photographed scene, it is possible to average metering mode be selected to carry out average metering to whole image, obtain the mesh
Mark photometry result.
The central heavy spot light-metering mode refers to the picture area of picture centre and immediate vicinity according to different weightings
The value that coefficient is calculated is as photometry result, and the flexible strategy at center are maximum, and closer to the fringe region of picture, flexible strategy are got over
It is small.The shooting occasion in need for taking into account background is relatively protruded in theme, central heavy spot light-metering mode can be selected.
In embodiments of the present invention, the target photometry result includes the light reflectance of subject.
Step 403, according to the correspondence between photometry result and acquisition parameters, obtain and the target photometry result pair
The target acquisition parameters answered.
In embodiments of the present invention, the acquisition parameters include the parameters such as exposure value and exposure time.It can prestore
Correspondence between photometry result and acquisition parameters.Specifically, can light will be surveyed according to experimental data value or empirical value
As a result the reflectivity in establishes correspondence with acquisition parameters.
In this way, corresponding target acquisition parameters can be obtained by target photometry result, target acquisition parameters can be improved
Accuracy, so as to improve according to target acquisition parameters adjust light filling accuracy.
Optionally, which may comprise steps of：
Detect environmental light brightness；
If the environmental light brightness is less than default light filling luminance threshold, performs and described the preview image is surveyed
Light obtains target acquisition parameters.
In embodiments of the present invention, by the ambient light sensor of mobile terminal configuration or environment bright can be integrated with
Other units test environmental light brightness such as detection function are spent, the device for being integrated with environmental light brightness detection function includes colour temperature
Sensor etc..The default light filling luminance threshold can be User Defined numerical value, or default number.
If environmental light brightness is less than default light filling brightness value, illustrate that environmental light brightness is too low, need to improve by light filling and clap
Take the photograph effect, then perform it is described survey light is carried out to the preview image, obtain target acquisition parameters.If environmental light brightness is higher than default
Light filling brightness value illustrates that environmental light brightness is suitable, does not need to carry out light filling, does not then perform and described the preview image is surveyed
Light obtains target acquisition parameters.
In embodiments of the present invention, after light filling brightness is superimposed with environmental light brightness, subject can be effectively improved
Light situation.In this way, it corresponding offer light filling, raising exposure effect can not needed under the scene for needing to provide light filling
Without light filling under the scene of light filling, electricity is saved.
Step 404 is clapped according to the correspondence between the camera parameter and brightness obtained in advance, acquisition and the target
Take the photograph corresponding first brightness of parameter.
The correspondence between acquisition parameters and brightness can be prestored.It specifically, can be according to experimental data
Value or empirical value, will establish correspondence between the exposure value in acquisition parameters and brightness.
Step 405, by the brightness adjustment of light filling be the second brightness.
In embodiments of the present invention, in embodiments of the present invention, the value of second brightness is the first brightness with working as
Difference between preceding environmental light brightness.
The step 405 may comprise steps of：Corresponding electric current is determined according to second brightness, to emitting light filling
Luminescent device input the determining electric current.Specifically, the luminescent device can include LED light supplement lamp and screen etc..
In embodiments of the present invention, it under photographed scene, after being adjusted according to target acquisition parameters to light filling, can keep away
Exempt from occur the situation that light is excessively bright or light is excessively dark in photographed scene.After corresponding electric current is inputted to luminescent device, photophore
The light filling of part transmitting is Chong Die with environmental light brightness, can improve relatively good light environment, field is preferably shot in light environment
The overall exposing effect of the image obtained under scape is relatively good, can improve the total quality of photo.
In embodiments of the present invention, when user carries out light filling using the mobile terminal in embodiment to take pictures, mobile terminal
After control luminescent device carries out light filling, even if shooting environmental changes because of the light filling of luminescent device transmitting without weight
It is new to survey light, but directly take pictures according to the target acquisition parameters obtained before light filling, it can effectively promote light filling and take pictures speed
Degree improves user experience.
The current environmental light brightness can be the environmental light brightness detected when obtaining preview image.Specifically,
Before light filling is not switched on, current environmental light brightness is detected by optical sensor, this way it is possible to avoid light filling is to the ring that detects
Border brightness impacts, and the second brightness after adjustment is adapted with acquisition parameters, is not in exposed dark or mistake
Bright situation, it can be ensured that the overall exposing effect of the photo taken is relatively good, improves the quality of shooting photo.
Supplementary explanation, in the embodiment shown in fig. 3, after the step 304, can also include the following steps：Root
Photo is shot according to the target camera parameter.
In embodiments of the present invention, after being adjusted according to target camera parameter to the brightness of light filling, the light of photographed scene
Brightness matches with target camera parameter, is not in the situation of darker or lighter, is clapped after light filling is adjusted according to the target
Take the photograph parameter shooting photo, that is to say, that light filling in the environment, achievees the effect that enhancing light intensity as just light source applications,
Target acquisition parameters before will not changing, light filling do not interfere with acquisition parameters, shoot the obtained overall exposing of photo in this way
Effect is relatively good.
Optionally, the target acquisition parameters include exposure time.In the embodiment shown in fig. 3, step 304 it
Afterwards, can also include the following steps：
Stop carrying out light filling after the exposure time.
In such manner, it is possible to provide suitable light filling in the exposure process of shooting photo, exposure effect is improved, in end exposure
Afterwards, stop light filling, electricity can be saved.
It should be noted that the embodiment can also be applied to the corresponding embodiments of Fig. 4 and reach identical beneficial
Effect is repeated to avoid, and details are not described herein again.
Optionally, in the embodiment shown in fig. 3, step 304 includes the following steps：If institute is obtained by front camera
Preview image is stated, and facial image is recognized in the preview image, then screen emissions are adjusted according to the target camera parameter
Light brightness.
Specifically, corresponding electric current can be determined according to the target acquisition parameters, to described in the fluorescent tube input of screen
Determining electric current, after the fluorescent tube of screen inputs corresponding electric current, the light of transmitting has corresponding brightness, reaches adjustment screen
Light brightness purpose.
In embodiments of the present invention, if obtaining the preview image by front camera, and know in the preview image
Facial image is clipped to, then illustrates that the currently used self-timer mode of user is taken pictures, passes through the light of the screen emissions of mobile terminal
As light filling, light filling can be compared to uniform irradiation to the subject including user face, promote the bright of subject
Degree, so as to fulfill light filling.
It further remarks additionally, in the embodiment shown in fig. 3, before step 304, following step can also be included
Suddenly：Identify the facial image of the preview image；If recognizing facial image, the corresponding face of the facial image and institute are determined
State the distance between camera.Step 304 can also include the following steps：According to target acquisition parameters and described determining
Distance is adjusted the brightness of light filling.
Referring to Fig. 5, Fig. 5 is a kind of application environment schematic diagram of mobile terminal provided in an embodiment of the present invention.Such as Fig. 5 institutes
Show, mobile terminal 500 includes camera 501, there can be a distance between camera 501 and user 502.It is appreciated that
It is that in same environmental light brightness, the distance between camera 501 and user 502 are bigger, and the brightness of light filling is needed to get over
Greatly, the distance between camera 501 and user 502 are shorter, and the brightness of light filling is smaller.
Described the step of being adjusted according to the target acquisition parameters and the determining distance to the brightness of light filling, can
To include the following steps：According to the correspondence between acquisition parameters and brightness, obtain corresponding with the target acquisition parameters
Third brightness；
The value of the third brightness is adjusted according to the determining distance, obtains the 4th brightness；
It is the 4th brightness by the brightness adjustment of light filling.
Referring to Fig. 6, Fig. 6 is the application environment schematic diagram of another mobile terminal provided in an embodiment of the present invention.In base
After carrying out light filling adjustment in application environment schematic diagram shown in fig. 5, application environment schematic diagram figure shown in fig. 6 can be obtained.
As shown in fig. 6, mobile terminal 600 includes camera 601, there can be a distance between camera 601 and user 602.It is adjusting
After reorganizing and bringing up brightness to full strength, camera 601 obtains the facial image 603 of user 602, after adjustment light filling brightness, in photographed scene
Be not in excessive lightness or darkness situation, the exposure effect of facial image 603 is relatively good.
In such manner, it is possible to target camera parameter is obtained by target photometry result, based on target camera parameter and face with taking the photograph
As the brightness of the determining light filling of the distance between head, the accuracy of light filling brightness is improved, improves the entirety of the facial image taken
Exposure effect obtains clearly face picture.
Optionally, in the embodiment shown in fig. 3, step 304 includes the following steps：According to the target camera parameter tune
The brightness of the light of whole light compensating lamp transmitting.
Specifically, it can determine corresponding electric current according to the target acquisition parameters, be determined to light compensating lamp input is described
Electric current, after luminescent device inputs corresponding electric current, the light of transmitting has corresponding brightness, reaches the light of adjustment light compensating lamp
The purpose of the brightness of line.The light filling of luminescent device transmitting is Chong Die with environmental light brightness, can improve relatively good light environment,
The overall exposing effect of the image obtained under the preferable photographed scene of light environment is relatively good, can improve the whole matter of photo
Amount.
Referring to Fig. 7, Fig. 7 is a kind of structure chart of mobile terminal provided in an embodiment of the present invention.It is as shown in fig. 7, mobile
Terminal 700 includes camera 701 and light compensating lamp 702.During mobile terminal 700 shoots photo by camera 701, root
The brightness of light emitted according to target camera parameter adjustment light compensating lamp 702.
Since the brightness that light compensating lamp can provide is bigger, when reference object is distant apart from camera, pass through tune
The brightness of whole light compensating lamp can provide proper light filling.
The method of adjustment light filling brightness provided in an embodiment of the present invention, obtains preview image；The preview image is carried out
Light is surveyed, obtains target photometry result；According to the correspondence between photometry result and acquisition parameters, obtain and survey light with the target
As a result corresponding target acquisition parameters；The brightness of light filling is adjusted according to the target camera parameter.In this way, by not
With image different zones carry out Partial metering, different images is adjusted according to photometry result, to image after adjustment with
First image carries out synthesis processing, and the overall exposing effect of the image after synthesis is relatively good, can improve picture quality.
Referring to Fig. 8, Fig. 8 is a kind of high-level schematic functional block diagram of mobile terminal provided in an embodiment of the present invention, such as Fig. 8 institutes
Show, the mobile terminal 800 includes：First acquisition module 801 surveys optical module 802, the second acquisition module 803 and adjustment module
804, the first acquisition module 801 is connect with surveying optical module 802, is surveyed optical module 802 and is also connect with the second acquisition module 803, and second
Acquisition module 803 is also connect with adjustment module 804, wherein：
First acquisition module 801, for obtaining preview image；
Optical module 802 is surveyed, for carrying out survey light to the preview image, obtains target photometry result；
Second acquisition module 803, for according to the correspondence between photometry result and acquisition parameters, obtaining and the mesh
Mark the corresponding target acquisition parameters of photometry result；
Module 804 is adjusted, for being adjusted according to the target camera parameter to the brightness of light filling.
Optionally, referring to Fig. 9, Fig. 8 is the high-level schematic functional block diagram of another mobile terminal provided in an embodiment of the present invention,
As shown in figure 9, the adjustment module 804 includes：
First acquisition submodule 8041, the correspondence between the camera parameter obtained in advance for basis and brightness,
Obtain the first brightness corresponding with the target acquisition parameters；
Submodule 8042 is adjusted, for being the second brightness by the brightness adjustment of light filling, the value of second brightness is
Difference between first brightness and current environmental light brightness.
Optionally, the adjustment module 804, is additionally operable to shoot photo according to the target camera parameter.
Optionally, the target acquisition parameters include exposure time, and referring to Figure 10, Figure 10 is provided in an embodiment of the present invention
The high-level schematic functional block diagram of another mobile terminal, as shown in Figure 10, the mobile terminal 800 further include：
Identification module 805, for identifying the facial image of the preview image；
If determining module 806 for recognizing facial image, determines the corresponding face of the facial image and the camera shooting
The distance between head；
The adjustment module 804, is additionally operable to according to the target acquisition parameters and the determining distance to the bright of light filling
Degree is adjusted；
Stopping modular 807, for stopping carrying out light filling after the exposure time.
Optionally, referring to Figure 11, Figure 11 is the function module signal of another mobile terminal provided in an embodiment of the present invention
Figure, as shown in figure 11, mobile terminal 800 further includes：
Detection sub-module 8021, for detecting environmental light brightness；
Submodule 8022 is handled, if be less than default light filling luminance threshold for the environmental light brightness, described in execution
Survey light is carried out to the preview image, obtains target acquisition parameters.
Optionally, the adjustment module 804, is additionally operable to the light for adjusting light compensating lamp according to the target camera parameter and emitting
Brightness.
Optionally, the adjustment module 804, is additionally operable to obtain the preview image by front camera, and described pre-
It lookes in image and recognizes facial image, then the brightness of the light of screen emissions is adjusted according to the target camera parameter.
Optionally, referring to Figure 12, Figure 12 is the function module signal of another mobile terminal provided in an embodiment of the present invention
Figure, as shown in figure 12, first acquisition module 801 includes：
Receiving submodule 8011, for receiving default self-timer operation；
Second acquisition submodule 8012 operates according to the default self-timer, the preview graph is obtained by front camera
Picture.
Mobile terminal 800 provided in an embodiment of the present invention can realize the method for adjustment light filling brightness as shown in Figure 3-4,
It can achieve the effect that identical, be repeated to avoid, details are not described herein.
Mobile terminal 800 provided in an embodiment of the present invention obtains preview image；Survey light is carried out to the preview image, is obtained
To target photometry result；According to the correspondence between photometry result and acquisition parameters, obtain and the target photometry result pair
The target acquisition parameters answered；The brightness of light filling is adjusted according to the target camera parameter.Light knot is surveyed in such manner, it is possible to improve
The accuracy of fruit, since the accuracy of photometry result is high, the accuracy of the target acquisition parameters obtained according to photometry result is also compared
It is higher, it is ensured that it is higher according to the matching degree of the brightness of the light filling of target acquisition parameters adjustment and photographed scene, avoid light filling
There is excessive lightness or darkness situation in brightness, so as to improve light filling effect on the whole.
One of ordinary skill in the art will appreciate that all or part of step for realizing above-described embodiment method is can be with
It is completed by the relevant hardware of at least one program instruction, at least one program can be stored in shifting as shown in Figure 1
It in the memory 109 of dynamic terminal 100, and can be performed by the processor 110, at least one program is by the processor
110 realize following steps when performing：
Obtain preview image；
Survey light is carried out to the preview image, obtains target photometry result；
According to the correspondence between photometry result and acquisition parameters, target corresponding with the target photometry result is obtained
Acquisition parameters；
The brightness of light filling is adjusted according to the target camera parameter.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
According to the correspondence between the camera parameter and brightness obtained in advance, obtain and the target acquisition parameters pair
The first brightness answered；
It is the second brightness by the brightness adjustment of light filling, the value of second brightness is the first brightness and current environment
Difference between brightness.
Optionally, after described the step of being adjusted according to the target camera parameter to the brightness of light filling, it is described extremely
When a few program is performed by the processor 110, following steps are can also be achieved：
Photo is shot according to the target camera parameter.
Optionally, it is described the brightness of light filling is adjusted according to the target camera parameter before, it is described at least one
When program is performed by the processor 110, following steps are can also be achieved：
Identify the facial image of the preview image；
If recognizing facial image, the distance between the corresponding face of the facial image and the camera are determined；
It is described that the brightness of light filling is adjusted according to the target camera parameter, including：
The brightness of light filling is adjusted according to the target acquisition parameters and the determining distance；
The target acquisition parameters include exposure time, described that the brightness of light filling is carried out according to the target camera parameter
After adjustment, when at least one program is performed by the processor 110, following steps are can also be achieved：
Stop carrying out light filling after the exposure time.
Optionally, it is described that survey light is carried out to the preview image, target photometry result is obtained, including：
Detect environmental light brightness；
If the environmental light brightness is less than default light filling luminance threshold, performs and described the preview image is surveyed
Light obtains target acquisition parameters.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
The brightness for the light that light compensating lamp emits is adjusted according to the target camera parameter.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
If obtaining the preview image by front camera, and facial image is recognized in the preview image, then root
According to the brightness of the light of target camera parameter adjustment screen emissions.
Optionally, the acquisition preview image, including：
Receive default self-timer operation；
It is operated according to the default self-timer, the preview image is obtained by front camera.
Mobile terminal 100 provided in an embodiment of the present invention obtains preview image；Survey light is carried out to the preview image, is obtained
To target photometry result；According to the correspondence between photometry result and acquisition parameters, obtain and the target photometry result pair
The target acquisition parameters answered；The brightness of light filling is adjusted according to the target camera parameter.Light knot is surveyed in such manner, it is possible to improve
The accuracy of fruit, since the accuracy of photometry result is high, the accuracy of the target acquisition parameters obtained according to photometry result is also compared
It is higher, it is ensured that it is higher according to the matching degree of the brightness of the light filling of target acquisition parameters adjustment and photographed scene, avoid light filling
There is excessive lightness or darkness situation in brightness, so as to improve light filling effect on the whole.One of ordinary skill in the art will appreciate that
The all or part of step for realizing above-described embodiment method is can be by the relevant hardware of at least one program instruction come complete
Into, at least one program can be stored in a storage medium, at least one program when being executed, including following step
Suddenly：
Obtain preview image；
Survey light is carried out to the preview image, obtains target photometry result；
According to the correspondence between photometry result and acquisition parameters, target corresponding with the target photometry result is obtained
Acquisition parameters；
The brightness of light filling is adjusted according to the target camera parameter.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
According to the correspondence between the camera parameter and brightness obtained in advance, obtain and the target acquisition parameters pair
The first brightness answered；
It is the second brightness by the brightness adjustment of light filling, the value of second brightness is the first brightness and current environment
Difference between brightness.
Optionally, after described the step of being adjusted according to the target camera parameter to the brightness of light filling, it is described extremely
When a few program performs, following steps are can also be achieved：
Photo is shot according to the target camera parameter.
Optionally, it is described the brightness of light filling is adjusted according to the target camera parameter before, it is described at least one
When program performs, following steps are can also be achieved：
Identify the facial image of the preview image；
If recognizing facial image, the distance between the corresponding face of the facial image and the camera are determined；
It is described that the brightness of light filling is adjusted according to the target camera parameter, including：
The brightness of light filling is adjusted according to the target acquisition parameters and the determining distance；
The target acquisition parameters include exposure time, described that the brightness of light filling is carried out according to the target camera parameter
After adjustment, when at least one program performs, following steps are can also be achieved：
Stop carrying out light filling after the exposure time.
Optionally, it is described that survey light is carried out to the preview image, target photometry result is obtained, including：
Detect environmental light brightness；
If the environmental light brightness is less than default light filling luminance threshold, performs and described the preview image is surveyed
Light obtains target acquisition parameters.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
The brightness for the light that light compensating lamp emits is adjusted according to the target camera parameter.
Optionally, it is described that the brightness of light filling is adjusted according to the target camera parameter, including：
If obtaining the preview image by front camera, and facial image is recognized in the preview image, then root
According to the brightness of the light of target camera parameter adjustment screen emissions.
Optionally, the acquisition preview image, including：
Receive default self-timer operation；
It is operated according to the default self-timer, the preview image is obtained by front camera.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those elements, and
And it further includes other elements that are not explicitly listed or further includes intrinsic for this process, method, article or device institute
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
Also there are other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be embodied in the form of software product, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), used including some instructions so that a station terminal equipment (can be mobile phone, computer takes
Be engaged in device, air conditioner or the network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made directly or indirectly is used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
- A kind of 1. method for adjusting light filling brightness, which is characterized in that including：Obtain preview image；Survey light is carried out to the preview image, obtains target photometry result；According to the correspondence between photometry result and acquisition parameters, target shooting corresponding with the target photometry result is obtained Parameter；The brightness of light filling is adjusted according to the target camera parameter.
- 2. the method for adjustment light filling brightness as described in claim 1, which is characterized in that described according to the target camera parameter The brightness of light filling is adjusted, including：According to the correspondence between the camera parameter and brightness obtained in advance, obtain corresponding with the target acquisition parameters First brightness；It is the second brightness by the brightness adjustment of light filling, the value of second brightness is bright with current environment for the first brightness Difference between degree.
- 3. the method for adjustment light filling brightness as claimed in claim 1 or 2, which is characterized in that described to be imaged according to the target After the step of parameter is adjusted the brightness of light filling, further include：Photo is shot according to the target camera parameter.
- 4. the method for adjustment light filling brightness as described in claim 1, which is characterized in that described according to the target camera parameter Before being adjusted to the brightness of light filling, further include：Identify the facial image of the preview image；If recognizing facial image, the distance between the corresponding face of the facial image and the camera are determined；It is described that the brightness of light filling is adjusted according to the target camera parameter, including：The brightness of light filling is adjusted according to the target acquisition parameters and the determining distance；The target acquisition parameters include exposure time, described that the brightness of light filling is adjusted according to the target camera parameter Later, it further includes：Stop carrying out light filling after the exposure time.
- 5. as claimed in claim 1 or 2 adjustment light filling brightness method, which is characterized in that it is described to the preview image into Row surveys light, obtains target photometry result, including：Detect environmental light brightness；If the environmental light brightness is less than default light filling luminance threshold, perform it is described survey light is carried out to the preview image, Obtain target acquisition parameters.
- 6. the method for adjustment light filling brightness as described in claim 1, which is characterized in that described according to the target camera parameter The brightness of light filling is adjusted, including：The brightness for the light that light compensating lamp emits is adjusted according to the target camera parameter.
- 7. the method for adjustment light filling brightness as described in claim 1, which is characterized in that described according to the target camera parameter The brightness of light filling is adjusted, including：If obtaining the preview image by front camera, and facial image is recognized in the preview image, then according to institute State the brightness of the light of target camera parameter adjustment screen emissions.
- 8. the method for adjustment light filling brightness as claimed in claim 1 or 2, which is characterized in that the acquisition preview image, packet It includes：Receive default self-timer operation；It is operated according to the default self-timer, the preview image is obtained by front camera.
- 9. a kind of mobile terminal, which is characterized in that the mobile terminal includes memory, at least one processor and is stored in institute At least one program stated on memory and can performed at least one processor, at least one program by it is described extremely A few processor realizes the step in 1~8 any one of them method of the claims when performing.
- 10. a kind of storage medium, the storage medium is stored at least one program that computer can perform, which is characterized in that At least one program makes the computer perform described in 1~8 any one of the claims when being performed by the computer Method in step.
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