CN106101569A - A kind of method of light filling of taking pictures and mobile terminal - Google Patents
A kind of method of light filling of taking pictures and mobile terminal Download PDFInfo
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- CN106101569A CN106101569A CN201610701349.7A CN201610701349A CN106101569A CN 106101569 A CN106101569 A CN 106101569A CN 201610701349 A CN201610701349 A CN 201610701349A CN 106101569 A CN106101569 A CN 106101569A
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- Prior art keywords
- compensating lamp
- light compensating
- color temperature
- mobile terminal
- temperature value
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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
Abstract
The invention provides method and the mobile terminal of a kind of light filling of taking pictures, wherein, method is applied to mobile terminal, including: obtain the frame preview image that the photographic head of mobile terminal is gathered；Based on preview image, calculate the ambient color temperature value of mobile terminal local environment；Based on ambient color temperature value, determine target light compensating lamp to be launched at least two light compensating lamp of mobile terminal；Control target light compensating lamp and carry out light filling；Wherein, the color temperature value of at least two light compensating lamp is the most different.The embodiment of the present invention solves the brightness of the light compensating lamp of mobile terminal in prior art and colour temperature is all that the light filling effect of the light compensating lamp that definite value causes can change with mobile terminal local environment, and the light filling color of light compensating lamp and the unmatched problem of local environment, make mobile terminal can take the more preferable picture of effect, improve Consumer's Experience.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method and the mobile terminal of a kind of light filling of taking pictures.
Background technology
Along with mobile terminal development, take pictures and image the standard feature having had become as mobile terminal, and people
To taking pictures and the requirement of photographic effect is more and more higher.But due to the impact of ambient brightness, mobile terminal is in relatively dark situation
The photo effect of shooting is the most poor, and the poor definition of such as photo, noise be serious and brightness is relatively low etc..Now, in order to solve
In relatively dark situation, the problem of shooting effect difference, increasing mobile terminal starts to install light compensating lamp.
Light compensating lamp on mobile terminal is mostly an external light source at present, and this light source can be held automatically when relatively dark situation
Open, thus improve the ambient brightness of local environment.But, no matter this light source is brightness or colour temperature is all fixing the most no matter
Which kind of environment mobile terminal is under, and the brightness of this light source and colour temperature are all certain values, and this causes mobile terminal to be in different rings
Time under border, the light filling effect of light compensating lamp can change with mobile terminal local environment, is also easily caused the benefit of light compensating lamp simultaneously
Light color occurs with the unmatched problem of local environment.
Summary of the invention
The present invention provides method and the mobile terminal of a kind of light filling of taking pictures, and is in not solving mobile terminal in prior art
With time under environment, the light filling effect of light compensating lamp can change with mobile terminal local environment, and light filling color is easy and ring
The problem that border does not matches that.
First aspect, a kind of method that the invention provides light filling of taking pictures, it is applied to mobile terminal, described method includes:
Obtain the frame preview image that the photographic head of described mobile terminal is gathered；
Based on described preview image, calculate the ambient color temperature value of described mobile terminal local environment；
Based on described ambient color temperature value, determine target light filling to be launched at least two light compensating lamp of described mobile terminal
Lamp；
Control described target light compensating lamp and carry out light filling；
Wherein, the color temperature value of described at least two light compensating lamp is the most different.
Second aspect, present invention also offers a kind of mobile terminal, and described mobile terminal includes photographic head and at least two
Light compensating lamp, also includes:
Acquisition module, for obtaining the frame preview image that the photographic head of described mobile terminal is gathered；
First computing module, for the described preview image obtained based on described acquisition module, calculates described mobile terminal
The ambient color temperature value of local environment；
First determines module, for based on described first computing module calculated ambient color temperature value, determines described shifting
Target light compensating lamp to be launched at least two light compensating lamp of dynamic terminal；
For controlling described first, control module, determines that the target light compensating lamp that module determines carries out light filling；Wherein, described extremely
The color temperature value of few two light compensating lamps is the most different.
So, in the embodiment of the present invention, by first obtaining the frame preview image that the photographic head of mobile terminal is gathered,
It is then based on the ambient color temperature value by this preview image calculated mobile terminal local environment, determines that mobile terminal is extremely
Target light compensating lamp to be launched in the light compensating lamp that few two color temperature values are the most different, finally controls target light compensating lamp and carries out light filling, this
Sample so that mobile terminal can control to send environment colour temperature with mobile terminal local environment closest to the mesh of colour temperature
Mark light compensating lamp carries out light filling so that mobile terminal that the light filling effect of target light compensating lamp can be utilized to shoot effect is more preferable
Image, when solving under in prior art, mobile terminal is in varying environment, the light filling effect of light compensating lamp can be with mobile terminal institute
Place's environment changes, and the problem that light filling color does not easily match that with environment.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 represents the flow chart of the method for light filling of taking pictures in the first embodiment of the present invention；
Fig. 2 represents the flow chart of the method for light filling of taking pictures in the second embodiment of the present invention；
Fig. 3 represents one of structured flowchart of mobile terminal in the third embodiment of the present invention；
Fig. 4 represents in the third embodiment of the present invention the two of the structured flowchart of mobile terminal；
Fig. 5 represents the structured flowchart of mobile terminal in the fourth embodiment of the present invention；
Fig. 6 represents the structured flowchart of mobile terminal in the fifth embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
First embodiment:
As it is shown in figure 1, the flow chart of the method for light filling of taking pictures in the first embodiment of the present invention, including:
Step 101, obtains the frame preview image that the photographic head of mobile terminal is gathered.
In this step, concrete, mobile terminal is provided with photographic head, mobile terminal can obtain taking the photograph of mobile terminal
The frame preview image gathered as head.
Step 102, based on preview image, calculates the ambient color temperature value of mobile terminal local environment.
In this step, concrete, based on preview image, when calculating the ambient color temperature value of mobile terminal local environment,
Can first obtain the RGB information of preview image, be then based on RGB information and the AWB algorithm got, be calculated
The ambient color temperature value of mobile terminal local environment.
Step 103, based on ambient color temperature value, determines target light filling to be launched at least two light compensating lamp of mobile terminal
Lamp.
Concrete, mobile terminal is provided with at least two light compensating lamp, and the color temperature value of at least two light compensating lamp the most not phase
With.In this step, mobile terminal is to be launched in based on ambient color temperature value, can determining at least two light compensating lamp of mobile terminal
Target light compensating lamp.
Concrete, owing to the color temperature value of at least two light compensating lamp all differs, therefore determining shifting based on ambient color temperature value
During the target light compensating lamp to be launched of dynamic terminal, it may be determined that at least two light compensating lamp of mobile terminal can send and environment
The light compensating lamp of the colour temperature that color temperature value matches is target light compensating lamp.
Step 104, controls target light compensating lamp and carries out light filling.
In this step, concrete, after determining target light compensating lamp to be launched, can control to start target light filling
Lamp, i.e. controls target light compensating lamp and carries out light filling.
So, the frame preview image that the present embodiment is gathered by the photographic head of acquisition mobile terminal, and based on passing through
The ambient color temperature value of this preview image calculated mobile terminal local environment, determines at least two color temperature value of mobile terminal
Target light compensating lamp to be launched in the most different light compensating lamps, finally controls target light compensating lamp and carries out light filling so that mobile terminal energy
Enough environment colour temperatures controlling to send with mobile terminal local environment closest to the target light compensating lamp of colour temperature carry out light filling,
So that the light filling effect that mobile terminal can utilize target light compensating lamp shoots effect better image, solve existing skill
Time under in art, mobile terminal is in varying environment, the light filling effect of light compensating lamp can change with mobile terminal local environment, with
And the problem that light filling color does not easily match that with environment.
Second embodiment:
As in figure 2 it is shown, the flow chart of the method for light filling of taking pictures in the second embodiment of the present invention, including:
Step 201, obtains the frame preview image that the photographic head of mobile terminal is gathered.
In this step, concrete, mobile terminal is provided with photographic head, mobile terminal can obtain taking the photograph of mobile terminal
The frame preview image gathered as head.
Step 202, based on preview image, calculates the ambient color temperature value of mobile terminal local environment.
In this step, concrete, based on preview image, when calculating the ambient color temperature value of mobile terminal local environment,
Can first obtain the RGB information of preview image, be then based on RGB information and the AWB algorithm got, be calculated
The ambient color temperature value of mobile terminal local environment.
Step 203, based on ambient color temperature value, determines target light filling to be launched at least two light compensating lamp of mobile terminal
Lamp.
Concrete, mobile terminal includes having the first light compensating lamp of the first color temperature value, have the second benefit of the second color temperature value
Light modulation and the 3rd light compensating lamp with tertiary color temperature value, wherein, the first color temperature value is less than the second color temperature value, and the second color temperature value is less than
Tertiary color temperature value.So, based on the ambient color temperature value got, determine at least two light compensating lamp of mobile terminal to be launched
Target light compensating lamp time, if the ambient color temperature value of mobile terminal local environment more than preset the first colour temperature threshold value, then can be true
Fixed target light compensating lamp to be launched is the 3rd light compensating lamp；If ambient color temperature value is more than the second colour temperature threshold value preset and less than first
Colour temperature threshold value, it is determined that target light compensating lamp to be launched is the second light compensating lamp and the 3rd light compensating lamp；If ambient color temperature value is more than pre-
If tertiary color temperature threshold value and less than the second colour temperature threshold value, it is determined that target light compensating lamp to be launched is the first light compensating lamp and second
Light compensating lamp；If ambient color temperature value is less than tertiary color temperature threshold value, it is determined that target light compensating lamp to be launched is the first light compensating lamp.
So, when ambient color temperature value is more than the first the highest colour temperature threshold value, it may be determined that target light compensating lamp to be launched
For all light compensating lamps of mobile terminal can send the light compensating lamp of high color temperature；When ambient color temperature value is less than minimum tertiary color
Temperature threshold value time, it may be determined that target light compensating lamp to be launched be mobile terminal all light compensating lamps in can send lowest color temperature
Light compensating lamp；When ambient color temperature value is less than the first the highest colour temperature threshold value, and more than being only second to the second colour temperature of the first colour temperature threshold value
During threshold value, it may be determined that target light compensating lamp to be launched be mobile terminal all light compensating lamps in can send the benefit of high color temperature
Light modulation and the light compensating lamp being only second to high color temperature can be sent；When ambient color temperature value is less than being only second to the first the highest colour temperature threshold value
The second colour temperature threshold value, and during more than minimum tertiary color temperature threshold value, it may be determined that target light compensating lamp to be launched for mobile eventually
All light compensating lamps of end can send the light compensating lamp being only second to high color temperature and the light compensating lamp that can send lowest color temperature.This
Sample, it is possible to make target light compensating lamp to be launched send environment colour temperature with mobile terminal local environment closest to colour temperature,
So that mobile terminal can shoot effect better image according to the light filling effect of target light compensating lamp.
Step 204, based on preview image, calculates the ambient brightness value of mobile terminal local environment.
In this step, concrete, when based on the ambient color temperature value got, determine at least two light filling of mobile terminal
After target light compensating lamp to be launched in lamp, it is also possible to based on the preview image got, calculate mobile terminal local environment
Ambient brightness value.Concrete, based on the preview image got, when calculating the ambient brightness value of mobile terminal local environment,
The exposure time values of preview image, exposure gain value and image brightness values be can first obtain, exposure time values and exposure are then based on
Gain of light value, calculates exposure index, is finally based on exposure index and image brightness values, calculates the environment of mobile terminal local environment
Brightness value.
Step 205, according to ambient brightness value and ambient brightness value and the preset relation of light compensating lamp electric current, determines that target is mended
The light compensating lamp electric current of light modulation.
In this step, concrete, mobile terminal can according to the ambient brightness value got and ambient brightness value with
The preset relation of light compensating lamp electric current, determines the light compensating lamp electric current of target light compensating lamp.Concrete, ambient brightness value and light compensating lamp electric current
The biggest in inverse correlation relation, i.e. ambient brightness value, light compensating lamp electric current is the least, and ambient brightness value is the least, and light compensating lamp electric current is the biggest.
So, more hour, the light compensating lamp electric current of target light compensating lamp is the biggest, i.e. target light compensating lamp for the ambient brightness value got
Brightness the biggest, so that the brightness that the target light compensating lamp of mobile terminal sends can be with the environment of mobile terminal local environment
Brightness matches so that the target light compensating lamp of mobile terminal can according to light compensating lamp brightness corresponding to this light compensating lamp electric current,
Shoot the more preferable picture of effect.Certainly, when the ambient brightness value got is the biggest, the light compensating lamp electric current of target light compensating lamp is more
Little, i.e. the brightness of target light compensating lamp is the least, so that the brightness of target light compensating lamp is when meeting the shooting demand of mobile terminal,
Electricity is saved for mobile terminal.
Step 206, controls target light compensating lamp and carries out light filling according to light compensating lamp electric current.
In this step, concrete, after the light compensating lamp electric current determining target light compensating lamp, target light compensating lamp can be controlled
Light filling is carried out according to light compensating lamp electric current.Additionally, optional, mend with target to reduce the environment colour temperature of mobile terminal local environment
Difference between the colour temperature that light modulation sends, can be finely adjusted light compensating lamp electric current, so that the color that target light compensating lamp sends
Temperature and the environment colour temperature of mobile terminal local environment are more nearly, and then make the mobile terminal can be according to the benefit of target light compensating lamp
Light effect shoots the more preferable picture of effect.
At this, this is illustrated.
Assume target light compensating lamp to be launched be the first light compensating lamp that the first color temperature value is corresponding and the second color temperature value corresponding
Second light compensating lamp, although the first light compensating lamp that the first color temperature value is corresponding and the second light compensating lamp corresponding to the second color temperature value comprehensively send
The environment colour temperature of colour temperature and mobile terminal local environment closest to, but the first light compensating lamp and second that the first color temperature value is corresponding
Between colour temperature that the second light compensating lamp that color temperature value is corresponding comprehensively sends and the ambient color using warming therapy of mobile terminal local environment or exist
A certain distance.At this point it is possible to respectively the light compensating lamp electric current of the first light compensating lamp and the second light compensating lamp is finely adjusted, so that regulation
After the first light compensating lamp and the colour temperature that sends of the second light compensating lamp closer to environment colour temperature, further increase ambient color gentleness mesh
Matching degree between the colour temperature that mark light compensating lamp sends.
So, the present embodiment ambient color temperature value by mobile terminal local environment, determine at least the two of mobile terminal
Target light compensating lamp to be launched in individual light compensating lamp, the most again by the ambient brightness value of mobile terminal local environment, determines mesh
The light compensating lamp electric current of mark light compensating lamp, controls target light compensating lamp the most again and carries out light filling according to this light compensating lamp electric current.So, this enforcement
Example enables to mobile terminal when taking pictures, and target light compensating lamp can send the environment colour temperature with mobile terminal local environment the most
Close colour temperature, and send with ambient brightness closest to brightness, solve the light compensating lamp of mobile terminal in prior art
Brightness and colour temperature are all that the light filling effect of the light compensating lamp that definite value causes can change with mobile terminal local environment, and light compensating lamp
Light filling color and the unmatched problem of local environment so that mobile terminal can shoot according to the light filling effect of target light compensating lamp
Go out the more preferable picture of effect, improve Consumer's Experience.
3rd embodiment:
As it is shown on figure 3, be one of structured flowchart of mobile terminal in the third embodiment of the present invention, this mobile terminal includes
Photographic head and at least two light compensating lamp, also include:
Acquisition module 301, for obtaining the frame preview image that the photographic head of mobile terminal is gathered；
First computing module 302, for the preview image obtained based on acquisition module 301, calculates ring residing for mobile terminal
The ambient color temperature value in border；
First determines module 303, for based on the first computing module 302 calculated ambient color temperature value, determines movement
Target light compensating lamp to be launched at least two light compensating lamp of terminal；
For controlling first, control module 304, determines that the target light compensating lamp that module 303 determines carries out light filling；Wherein, at least
The color temperature value of two light compensating lamps is the most different.
So, obtained the frame preview image that gathered of photographic head of mobile terminal by acquisition module, then by the
One computing module is based on the ambient color temperature value by this preview image calculated mobile terminal local environment, then by the
One determines that module determines target light compensating lamp to be launched in the light compensating lamp that at least two color temperature value of mobile terminal is the most different, finally
Control target light compensating lamp by control module and carry out light filling, so so that mobile terminal can control to send whole with mobile
The environment colour temperature of end local environment closest to the target light compensating lamp of colour temperature carry out light filling, so that mobile terminal can profit
Shoot effect better image by the light filling effect of target light compensating lamp, solve mobile terminal in prior art and be in different rings
Time under border, the light filling effect of light compensating lamp can change with mobile terminal local environment, and light filling color easily and environment not
The problem matched.
As shown in Figure 4, in the third embodiment of the present invention the two of the structured flowchart of mobile terminal.
Alternatively, the first computing module 302 includes: the first acquiring unit 3021, for obtaining the RGB letter of preview image
Breath；First computing unit 3022, for the RGB information obtained based on the first acquiring unit and AWB algorithm, calculates
Ambient color temperature value to mobile terminal local environment.
Alternatively, mobile terminal includes having the first light compensating lamp of the first color temperature value, have the second benefit of the second color temperature value
Light modulation and the 3rd light compensating lamp with tertiary color temperature value, wherein, the first color temperature value is less than the second color temperature value, and the second color temperature value is less than
Tertiary color temperature value.
Alternatively, first determine module 303 for, if ambient color temperature value more than preset the first colour temperature threshold value, it is determined that
Target light compensating lamp to be launched is the 3rd light compensating lamp.
Alternatively, first determine module 303 for, if ambient color temperature value is more than the second colour temperature threshold value preset and less than the
Color temperature threshold value, it is determined that target light compensating lamp to be launched is the second light compensating lamp and the 3rd light compensating lamp.
Alternatively, first determine module 303 for, if ambient color temperature value is more than the tertiary color temperature threshold value preset and less than the
Two colour temperature threshold values, it is determined that target light compensating lamp to be launched is the first light compensating lamp and the second light compensating lamp.
Alternatively, first determine module 303 for, if ambient color temperature value is less than tertiary color temperature threshold value, it is determined that to be launched
Target light compensating lamp be the first light compensating lamp.
Alternatively, mobile terminal also includes: the second computing module 305, for the preview graph obtained based on acquisition module 301
Picture, calculates the ambient brightness value of mobile terminal local environment；Second determines module 306, based on according to the second computing module 305
The ambient brightness value obtained and ambient brightness value and the preset relation of light compensating lamp electric current, determine the light compensating lamp of target light compensating lamp
Electric current；Wherein, ambient brightness value is closed with light compensating lamp anti-phase.
Alternatively, the second computing module 305 includes: second acquisition unit 3051, during for obtaining the exposure of preview image
Between be worth, exposure gain value and image brightness values；Second computing unit 3052, is used for based on exposure time values and exposure gain value,
Calculate exposure index；3rd computing unit 3053, for based on exposure index and image brightness values, calculates ring residing for mobile terminal
The ambient brightness value in border.
Alternatively, control module 304 is used for, and controls target light compensating lamp and determines, according to second, the light compensating lamp electric current that module determines
Carry out light filling.
So, the present embodiment ambient color temperature value by mobile terminal local environment, determine at least the two of mobile terminal
Target light compensating lamp to be launched in individual light compensating lamp, the most again by the ambient brightness value of mobile terminal local environment, determines mesh
The light compensating lamp electric current of mark light compensating lamp, controls target light compensating lamp the most again and carries out light filling according to this light compensating lamp electric current.So, this enforcement
Example enables to mobile terminal when taking pictures, and target light compensating lamp can send the environment colour temperature with mobile terminal local environment the most
Close colour temperature, and send with ambient brightness closest to brightness, solve the light compensating lamp of mobile terminal in prior art
Brightness and colour temperature are all that the light filling effect of the light compensating lamp that definite value causes can change with mobile terminal local environment, and light compensating lamp
Light filling color and the unmatched problem of local environment so that mobile terminal can shoot according to the light filling effect of target light compensating lamp
Go out the more preferable picture of effect, improve Consumer's Experience.
4th embodiment:
As it is shown in figure 5, be the structured flowchart of mobile terminal in the fourth embodiment of the present invention.Mobile terminal shown in Fig. 5
500 include: at least one processor 501, memorizer 502, at least one network interface 504, user interface 503.Mobile terminal
Each assembly in 500 is coupled by bus system 505.It is understood that bus system 505 be used for realizing these assemblies it
Between connection communication.Bus system 505, in addition to including data/address bus, also includes power bus, controls bus and status signal
Bus.But for the sake of understanding explanation, in Figure 5 various buses are all designated as bus system 505.Additionally, mobile terminal 500
Also include photographic head 506 and at least two light compensating lamp 507.
Wherein, user interface 503 can include display, keyboard or pointing device (such as, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
The memorizer 502 being appreciated that in the embodiment of the present invention can be volatile memory or nonvolatile memory,
Maybe can include volatibility and nonvolatile memory.Wherein, nonvolatile memory can be read only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), Electrically Erasable Read Only Memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), and it is used as outside high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms can use, such as static RAM
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDRSDRAM), enhancement mode Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DRRAM).The memorizer 502 of the system and method that the embodiment of the present invention describes is intended to include but not limited to these
Memorizer with arbitrarily other applicable type.
In some embodiments, memorizer 502 stores following element, executable module or data structure, or
Their subset of person, or their superset: operating system 5021 and application program 5022.Concrete, memorizer 502 is deposited
Contain and module and configuration file are set.
Wherein, operating system 5021, comprise various system program, such as ccf layer, core library layer, driving layer etc., be used for
Realize various basic business and process hardware based task.Application program 5022, comprises various application program, such as media
Player (Media Player), browser (Browser) etc., be used for realizing various applied business.Realize the embodiment of the present invention
The program of method may be embodied in application program 5022.
In embodiments of the present invention, by calling program or the instruction of memorizer 502 storage, concrete, can be application
The program stored in program 5022 or instruction.Wherein, processor 501 is used for: the photographic head 506 of acquisition mobile terminal is gathered
One frame preview image；Based on preview image, calculate the ambient color temperature value of mobile terminal local environment；Based on ambient color temperature value, really
Determine target light compensating lamp to be launched at least two light compensating lamp 507 of mobile terminal；Control target light compensating lamp and carry out light filling；Its
In, the color temperature value of at least two light compensating lamp is the most different.
The method that the invention described above embodiment discloses can apply in processor 501, or is realized by processor 501.
Processor 501 is probably a kind of IC chip, has the disposal ability of signal.During realizing, said method each
Step can be completed by the instruction of the integrated logic circuit of the hardware in processor 501 or software form.Above-mentioned process
Device 501 can be general processor, digital signal processor (Digital Signal Processor, DSP), special integrated electricity
Road (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components.Can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General
The processor etc. that processor can be microprocessor or this processor can also be any routine.In conjunction with embodiment of the present invention institute
The step of disclosed method can be embodied directly in hardware decoding processor and perform, or with the hardware in decoding processor
And software module combination execution completes.Software module may be located at random access memory, and flash memory, read only memory are able to programme read-only
In the storage medium that this areas such as memorizer or electrically erasable programmable memorizer, depositor are ripe.This storage medium is positioned at
Memorizer 502, processor 501 reads the information in memorizer 502, completes the step of said method in conjunction with its hardware.Additionally, deposit
Reservoir 502 internal memory contains the corresponding relation etc. used in said method.
It is understood that the embodiment of the present invention describe these embodiments can use hardware, software, firmware, middleware,
Microcode or a combination thereof realize.Realizing for hardware, processing unit can be implemented in one or more special IC
(Application Specific Integrated Circuit, ASIC), digital signal processor (Digital Signal
Processor, DSP), digital signal processing appts (DSP Device, DSPD), programmable logic device (Programmable
Logic Device, PLD), field programmable gate array (Field Programmable Gate Array, FPGA), general place
Reason device, controller, microcontroller, microprocessor, for performing in other electronic unit or a combination thereof of the application function.
Software is realized, can be realized by the module (such as process, function etc.) performing embodiment of the present invention function
The technology of the embodiment of the present invention.Software code is storable in performing in memorizer and by processor.Memorizer can process
Realize in device or outside processor.
Alternatively, processor 501 is additionally operable to: obtain the RGB information of preview image；Based on RGB information and AWB
Algorithm, is calculated the ambient color temperature value of mobile terminal local environment.
Alternatively, as another embodiment, mobile terminal includes having the first light compensating lamp of the first color temperature value, have
Second light compensating lamp of two color temperature values and the 3rd light compensating lamp with tertiary color temperature value, wherein, the first color temperature value is less than the second colour temperature
Value, the second color temperature value is less than tertiary color temperature value.
Alternatively, as another embodiment, processor 501 is additionally operable to: if ambient color temperature value is more than the first color preset
Temperature threshold value, it is determined that target light compensating lamp to be launched is the 3rd light compensating lamp.
Alternatively, as another embodiment, processor 501 is additionally operable to: if ambient color temperature value is more than the second color preset
Temperature threshold value and less than the first colour temperature threshold value, it is determined that target light compensating lamp to be launched is the second light compensating lamp and the 3rd light compensating lamp.
Alternatively, as another embodiment, processor 501 is additionally operable to: if ambient color temperature value is more than the tertiary color preset
Temperature threshold value and less than the second colour temperature threshold value, it is determined that target light compensating lamp to be launched is the first light compensating lamp and the second light compensating lamp.
Alternatively, as another embodiment, processor 501 is additionally operable to: if ambient color temperature value is less than tertiary color temperature threshold value,
Then determine that target light compensating lamp to be launched is the first light compensating lamp.
Alternatively, as another embodiment, processor 501 is additionally operable to: based on preview image, calculates residing for mobile terminal
The ambient brightness value of environment；According to ambient brightness value and ambient brightness value and the preset relation of light compensating lamp electric current, determine target
The light compensating lamp electric current of light compensating lamp；Wherein, ambient brightness value is closed with light compensating lamp anti-phase.
Alternatively, as another embodiment, processor 501 is additionally operable to: obtain the exposure time values of preview image, exposure
Yield value and image brightness values；Based on exposure time values and exposure gain value, calculate exposure index；Based on exposure index and image
Brightness value, calculates the ambient brightness value of mobile terminal local environment.
Alternatively, as another embodiment, processor 501 is additionally operable to: control target light compensating lamp according to light compensating lamp electric current
Carry out light filling.
Mobile terminal 500 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding repeating, here
Repeat no more.
The mobile terminal provided in the above embodiment of the present invention, by the ambient color temperature value of mobile terminal local environment,
Determine target light compensating lamp to be launched at least two light compensating lamp of mobile terminal, the most again by mobile terminal local environment
Ambient brightness value, determine the light compensating lamp electric current of target light compensating lamp, control target light compensating lamp the most again according to this light compensating lamp electricity
Stream carries out light filling.So, the present embodiment enables to mobile terminal when taking pictures, and target light compensating lamp can send and mobile terminal
The environment colour temperature of local environment closest to colour temperature, and send with ambient brightness closest to brightness, solve existing skill
In art, the brightness of the light compensating lamp of mobile terminal and colour temperature are all that the light filling effect of the light compensating lamp that definite value causes can be with mobile terminal institute
Place's environment changes, and the light filling color of light compensating lamp and the unmatched problem of local environment so that mobile terminal can basis
The light filling effect of target light compensating lamp shoots the more preferable picture of effect, improves Consumer's Experience.
5th embodiment:
Fig. 6 represents the structured flowchart of mobile terminal in the fifth embodiment of the present invention.Specifically, the mobile terminal in Fig. 6
600 can be mobile phone, panel computer, personal digital assistant (Personal Digital Assistant, PDA) or vehicle mounted electric
Brain etc..
Mobile terminal 600 in Fig. 6 includes radio frequency (Radio Frequency, RF) circuit 610, memorizer 620, input
Unit 630, display unit 640, processor 660, voicefrequency circuit 670, WiFi (Wireless Fidelity) module 680, power supply
690, photographic head 6100 and at least two light compensating lamp 6110.
Wherein, input block 630 can be used for receiving numeral or the character information of user's input, and produces and mobile terminal
The user setup of 600 and function control relevant signal input.Specifically, in the embodiment of the present invention, this input block 630 can
To include contact panel 631.Contact panel 631, also referred to as touch screen, can collect user thereon or neighbouring touch operation
(such as user uses any applicable object such as finger, stylus or adnexa operation on contact panel 631), and according in advance
The formula set drives corresponding attachment means.Optionally, contact panel 631 can include touch detecting apparatus and touch controller
Two parts.Wherein, the touch orientation of touch detecting apparatus detection user, and detect the signal that touch operation brings, by signal
Send touch controller to；Touch controller receives touch information from touch detecting apparatus, and is converted into contact coordinate,
Give this processor 660 again, and order that processor 660 sends can be received and performed.Furthermore, it is possible to employing resistance-type,
The polytypes such as condenser type, infrared ray and surface acoustic wave realize contact panel 631.Except contact panel 631, input block
630 can also include other input equipments 632, and other input equipments 632 can include but not limited to physical keyboard, function key
One or more in (such as volume control button, switch key etc.), trace ball, mouse, action bars etc..
Wherein, display unit 640 can be used for showing the information inputted by user or the information being supplied to user and movement
The various menu interfaces of terminal 600.Display unit 640 can include display floater 641, optionally, can use LCD or organic
The forms such as optical diode (Organic Light-Emitting Diode, OLED) configure display floater 641.
It should be noted that contact panel 631 can cover display floater 641, formed and touch display screen, when this touch display screen is examined
Measure thereon or after neighbouring touch operation, send processor 660 to determine the type of touch event, with preprocessor
660 provide corresponding visual output according to the type of touch event on touch display screen.
Touch display screen and include Application Program Interface viewing area and conventional control viewing area.This Application Program Interface viewing area
And the arrangement mode of this conventional control viewing area does not limit, can be arranged above and below, left-right situs etc. can be distinguished two and show
Show the arrangement mode in district.This Application Program Interface viewing area is displayed for the interface of application program.Each interface is permissible
The interface elements such as the icon and/or the widget desktop control that comprise at least one application program.This Application Program Interface viewing area
It can also be the empty interface not comprising any content.This conventional control viewing area is for showing the control that utilization rate is higher, such as,
The application icons etc. such as settings button, interface numbering, scroll bar, phone directory icon.
Wherein, processor 660 is the control centre of mobile terminal 600, utilizes various interface and the whole mobile phone of connection
Various piece, be stored in the software program in first memory 621 and/or module by running or performing, and call and deposit
Storage data in second memory 622, perform the various functions of mobile terminal 600 and process data, thus to mobile terminal
600 carry out integral monitoring.Optionally, processor 660 can include one or more processing unit.
In embodiments of the present invention, by call the software program and/or module stored in this first memory 621 and/
Or the data in this second memory 622, wherein, first memory 621 includes module and configuration file are set.Processor
660 are used for: obtain the frame preview image that the photographic head 6100 of mobile terminal is gathered；Based on preview image, calculate mobile whole
The ambient color temperature value of end local environment；Based on ambient color temperature value, determine at least two light compensating lamp 6110 of mobile terminal and wait to open
Dynamic target light compensating lamp；Control target light compensating lamp and carry out light filling；Wherein, the color temperature value of at least two light compensating lamp is the most different.
Alternatively, processor 660 is additionally operable to: obtain the RGB information of preview image；Based on RGB information and AWB
Algorithm, is calculated the ambient color temperature value of mobile terminal local environment.
Alternatively, as another embodiment, mobile terminal includes having the first light compensating lamp of the first color temperature value, have
Second light compensating lamp of two color temperature values and the 3rd light compensating lamp with tertiary color temperature value, wherein, the first color temperature value is less than the second colour temperature
Value, the second color temperature value is less than tertiary color temperature value.
Alternatively, as another embodiment, processor 660 is additionally operable to: if ambient color temperature value is more than the first color preset
Temperature threshold value, it is determined that target light compensating lamp to be launched is the 3rd light compensating lamp.
Alternatively, as another embodiment, processor 660 is additionally operable to: if ambient color temperature value is more than the second color preset
Temperature threshold value and less than the first colour temperature threshold value, it is determined that target light compensating lamp to be launched is the second light compensating lamp and the 3rd light compensating lamp.
Alternatively, as another embodiment, processor 660 is additionally operable to: if ambient color temperature value is more than the tertiary color preset
Temperature threshold value and less than the second colour temperature threshold value, it is determined that target light compensating lamp to be launched is the first light compensating lamp and the second light compensating lamp.
Alternatively, as another embodiment, processor 660 is additionally operable to: if ambient color temperature value is less than tertiary color temperature threshold value,
Then determine that target light compensating lamp to be launched is the first light compensating lamp.
Alternatively, as another embodiment, processor 660 is additionally operable to: based on preview image, calculates residing for mobile terminal
The ambient brightness value of environment；According to ambient brightness value and ambient brightness value and the preset relation of light compensating lamp electric current, determine target
The light compensating lamp electric current of light compensating lamp；Wherein, ambient brightness value is closed with light compensating lamp anti-phase.
Alternatively, as another embodiment, processor 660 is additionally operable to: obtain the exposure time values of preview image, exposure
Yield value and image brightness values；Based on exposure time values and exposure gain value, calculate exposure index；Based on exposure index and image
Brightness value, calculates the ambient brightness value of mobile terminal local environment.
Alternatively, as another embodiment, processor 660 is additionally operable to: control target light compensating lamp according to light compensating lamp electric current
Carry out light filling.
The mobile terminal provided in the above embodiment of the present invention, by the ambient color temperature value of mobile terminal local environment,
Determine target light compensating lamp to be launched at least two light compensating lamp of mobile terminal, the most again by mobile terminal local environment
Ambient brightness value, determine the light compensating lamp electric current of target light compensating lamp, control target light compensating lamp the most again according to this light compensating lamp electricity
Stream carries out light filling.So, the present embodiment enables to mobile terminal when taking pictures, and target light compensating lamp can send and mobile terminal
The environment colour temperature of local environment closest to colour temperature, and send with ambient brightness closest to brightness, solve existing skill
In art, the brightness of the light compensating lamp of mobile terminal and colour temperature are all that the light filling effect of the light compensating lamp that definite value causes can be with mobile terminal institute
Place's environment changes, and the light filling color of light compensating lamp and the unmatched problem of local environment so that mobile terminal can basis
The light filling effect of target light compensating lamp shoots the more preferable picture of effect, improves Consumer's Experience.
Mobile terminal 600 is capable of each process that in previous embodiment, mobile terminal realizes, for avoiding repeating, here
Repeat no more.
Those of ordinary skill in the art are it is to be appreciated that combine that the disclosed embodiments in the embodiment of the present invention describe is each
The unit of example and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, can be passed through other
Mode realizes.Such as, device embodiment described above is only schematically, such as, the division of unit, it is only one
Logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or can
To be integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed each other
Coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, device or unit or communication connection,
Can be electrical, machinery or other form.
The unit illustrated as separating component can be or may not be physically separate, shows as unit
Parts can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of embodiment of the present invention scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
If function is using the form realization of SFU software functional unit and as independent production marketing or use, can store
In a computer read/write memory medium.Based on such understanding, technical scheme is the most in other words to existing
The part having part that technology contributes or this technical scheme can embody with the form of software product, this computer
Software product is stored in a storage medium, including some instructions with so that a computer equipment (can be individual's meter
Calculation machine, server, or the network equipment etc.) perform each embodiment method of the present invention all or part of step.And it is aforesaid
Storage medium includes: the various media that can store program code such as USB flash disk, portable hard drive, ROM, RAM, magnetic disc or CD.
Above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any familiar
Those skilled in the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (20)
1. take pictures the method for light filling, be applied to mobile terminal, it is characterised in that described method includes:
Obtain the frame preview image that the photographic head of described mobile terminal is gathered；
Based on described preview image, calculate the ambient color temperature value of described mobile terminal local environment；
Based on described ambient color temperature value, determine target light compensating lamp to be launched at least two light compensating lamp of described mobile terminal；
Control described target light compensating lamp and carry out light filling；
Wherein, the color temperature value of described at least two light compensating lamp is the most different.
Method the most according to claim 1, it is characterised in that described based on described preview image, calculates described mobile whole
The step of the ambient color temperature value of end local environment, including:
Obtain the RGB information of described preview image；
Based on described RGB information and AWB algorithm, it is calculated the ambient color temperature value of described mobile terminal local environment.
Method the most according to claim 1, it is characterised in that described mobile terminal includes having the first of the first color temperature value
Light compensating lamp, there is the second light compensating lamp of the second color temperature value and there is the 3rd light compensating lamp of tertiary color temperature value, wherein, described first color
Temperature value is less than described second color temperature value, and described second color temperature value is less than described tertiary color temperature value.
Method the most according to claim 3, it is characterised in that described based on described ambient color temperature value, determines described movement
The step of target light compensating lamp to be launched at least two light compensating lamp of terminal, including:
If described ambient color temperature value is more than the first colour temperature threshold value preset, it is determined that target light compensating lamp to be launched is the described 3rd
Light compensating lamp.
Method the most according to claim 4, it is characterised in that described based on described ambient color temperature value, determines described movement
The step of target light compensating lamp to be launched at least two light compensating lamp of terminal, including:
If described ambient color temperature value is more than the second colour temperature threshold value preset and less than described first colour temperature threshold value, it is determined that to be launched
Target light compensating lamp be described second light compensating lamp and described 3rd light compensating lamp.
Method the most according to claim 5, it is characterised in that described based on described ambient color temperature value, determines described movement
The step of target light compensating lamp to be launched at least two light compensating lamp of terminal, including:
If described ambient color temperature value is more than the tertiary color temperature threshold value preset and less than described second colour temperature threshold value, it is determined that to be launched
Target light compensating lamp be described first light compensating lamp and described second light compensating lamp.
Method the most according to claim 6, it is characterised in that described based on described ambient color temperature value, determines described movement
The step of target light compensating lamp to be launched at least two light compensating lamp of terminal, including:
If described ambient color temperature value is less than described tertiary color temperature threshold value, it is determined that target light compensating lamp to be launched is described first benefit
Light modulation.
Method the most according to claim 1, it is characterised in that described based on described ambient color temperature value, determines described movement
After the step of target light compensating lamp to be launched at least two light compensating lamp of terminal, described method also includes:
Based on described preview image, calculate the ambient brightness value of described mobile terminal local environment；
According to described ambient brightness value and ambient brightness value and the preset relation of light compensating lamp electric current, determine described target light compensating lamp
Light compensating lamp electric current；
Wherein, described ambient brightness value is closed with described light compensating lamp anti-phase.
Method the most according to claim 8, it is characterised in that described based on described preview image, calculates described mobile whole
The step of the ambient brightness value of end local environment, including:
Obtain the exposure time values of described preview image, exposure gain value and image brightness values；
Based on described exposure time values and exposure gain value, calculate exposure index；
Based on described exposure index and image brightness values, calculate the ambient brightness value of described mobile terminal local environment.
Method the most according to claim 8, it is characterised in that described control described target light compensating lamp carries out the step of light filling
Suddenly, including:
Control described target light compensating lamp and carry out light filling according to described light compensating lamp electric current.
11. 1 kinds of mobile terminals, including photographic head and at least two light compensating lamp, it is characterised in that described mobile terminal also includes:
Acquisition module, for obtaining the frame preview image that the photographic head of described mobile terminal is gathered；
First computing module, for the described preview image obtained based on described acquisition module, calculates residing for described mobile terminal
The ambient color temperature value of environment；
First determines module, for based on described first computing module calculated ambient color temperature value, determines described mobile whole
Target light compensating lamp to be launched at least two light compensating lamp of end；
For controlling described first, control module, determines that the target light compensating lamp that module determines carries out light filling；Wherein, described at least two
The color temperature value of individual light compensating lamp is the most different.
12. mobile terminals according to claim 11, it is characterised in that described first computing module includes:
First acquiring unit, for obtaining the RGB information of described preview image；
First computing unit, for the RGB information obtained based on described first acquiring unit and AWB algorithm, calculates
Ambient color temperature value to described mobile terminal local environment.
13. mobile terminals according to claim 11, it is characterised in that described mobile terminal includes having the first color temperature value
The first light compensating lamp, there is the second light compensating lamp of the second color temperature value and there is the 3rd light compensating lamp of tertiary color temperature value, wherein, described
First color temperature value is less than described second color temperature value, and described second color temperature value is less than described tertiary color temperature value.
14. mobile terminals according to claim 13, it is characterised in that described first determine module for, if described ring
Border color temperature value is more than the first colour temperature threshold value preset, it is determined that target light compensating lamp to be launched is described 3rd light compensating lamp.
15. mobile terminals according to claim 14, it is characterised in that described first determine module for, if described ring
Border color temperature value is more than the second colour temperature threshold value preset and less than described first colour temperature threshold value, it is determined that target light compensating lamp to be launched
For described second light compensating lamp and described 3rd light compensating lamp.
16. mobile terminals according to claim 15, it is characterised in that described first determine module for, if described ring
Border color temperature value is more than the tertiary color temperature threshold value preset and less than described second colour temperature threshold value, it is determined that target light compensating lamp to be launched
For described first light compensating lamp and described second light compensating lamp.
17. mobile terminals according to claim 16, it is characterised in that described first determine module for, if described ring
Border color temperature value is less than described tertiary color temperature threshold value, it is determined that target light compensating lamp to be launched is described first light compensating lamp.
18. mobile terminals according to claim 11, it is characterised in that described mobile terminal also includes:
Second computing module, for the described preview image obtained based on described acquisition module, calculates residing for described mobile terminal
The ambient brightness value of environment；
Second determines module, for according to the described second calculated ambient brightness value of computing module and ambient brightness value with
The preset relation of light compensating lamp electric current, determines the light compensating lamp electric current of described target light compensating lamp；Wherein, described ambient brightness value is with described
Light compensating lamp anti-phase closes.
19. mobile terminals according to claim 18, it is characterised in that described second computing module includes:
Second acquisition unit, for obtaining the exposure time values of described preview image, exposure gain value and image brightness values；
Second computing unit, for based on described exposure time values and exposure gain value, calculates exposure index；
3rd computing unit, for based on described exposure index and image brightness values, calculates described mobile terminal local environment
Ambient brightness value.
20. mobile terminals according to claim 18, it is characterised in that described control module is used for, control described target
According to described second, light compensating lamp determines that the described light compensating lamp electric current that module determines carries out light filling.
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| CN201610701349.7A CN106101569A (en) | 2016-08-22 | 2016-08-22 | A kind of method of light filling of taking pictures and mobile terminal |
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| CN201610701349.7A CN106101569A (en) | 2016-08-22 | 2016-08-22 | A kind of method of light filling of taking pictures and mobile terminal |
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| CN111988531B (en) * | 2019-05-21 | 2022-07-08 | 北京小米移动软件有限公司 | Light supplementing module, light supplementing control method of light supplementing module, terminal and device |
| CN112565617A (en) * | 2019-09-26 | 2021-03-26 | Oppo（重庆）智能科技有限公司 | Image data processing method and device, storage medium and electronic equipment |
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| CN111182233A (en) * | 2020-01-03 | 2020-05-19 | 宁波方太厨具有限公司 | Control method and system for automatic light supplement of shooting space |
| CN114245025A (en) * | 2021-11-19 | 2022-03-25 | 深圳视觉科技有限公司 | Light supplementing method, device, equipment, storage medium and computer product |
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