CN106412543A - Method and device for calibrating color cast of flashlight - Google Patents
Method and device for calibrating color cast of flashlight Download PDFInfo
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- CN106412543A CN106412543A CN201610805856.5A CN201610805856A CN106412543A CN 106412543 A CN106412543 A CN 106412543A CN 201610805856 A CN201610805856 A CN 201610805856A CN 106412543 A CN106412543 A CN 106412543A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
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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
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
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- Color Television Image Signal Generators (AREA)
Abstract
The invention discloses a method and a device for calibrating color cast of a flashlight. The method comprises the following steps of obtaining original brightness values of three-primary colors corresponding to a current flashlight; obtaining reference brightness values of three-primary colors corresponding to a reference flashlight; obtaining a brightness ratio of the three-primary colors according to the original brightness values and the reference brightness values; obtaining a newest gain value corresponding to the current flashlight according to the brightness ratio and a corresponding reference gain value of the reference flashlight in the current environment; and obtaining an original picture for opening the current flashlight to shoot in the current environment and utilizing the newest gain value to carry out picture processing on the original picture to eliminate the color cast of the current flashlight. Through the method, a problem of the color cast can be reduced when the flashlight is utilized to take pictures, and the user experience is improved.
Description
Technical field
The present invention relates to flash light techniques field, more particularly to a kind of method and device of calibration flash lamp colour cast.
Background technology
Due to the difference in the processing technology of flash lamp, often under the light filling environment using flash lamp, carry out light filling and take pictures
When, colour cast is than more serious.The reason flash lamp produces colour cast is as follows:The flash lamp installing additional on mobile terminal, because of flash design
And technique limits, even its colour temperature of light of sending of the flash lamp of same batch same model also has deviation, maximum colour temperature
Difference 1000K about.Because the colour temperature difference of flash lamp is very big, and existing mobile-terminal platform (such as high pass and MTK put down
Platform), the debugging of photographing module (camera) parameter cannot cover the flash lamp of all different-colours well, taking high pass as a example,
Photographing module parameter can only do one group of white balance parameter to flash lamp at present, due to flash lamp colour temperature difference, causes different-colour
Value lower white balance meeting colour cast problem, brings very poor Consumer's Experience.For changing an angle, due to flash lamp colour temperature difference, cause
The picture color effect taken using the flash lamp of different-colour has notable difference, the big picture of colour cast and real object
Color distinction is very big.
Accordingly, it is desirable to provide a kind of method and device of calibration flash of light colour cast, to solve above-mentioned technical problem.
Content of the invention
The invention mainly solves the technical problem of providing a kind of method and device of calibration flash lamp colour cast, can reduce
Using colour cast problem during taking photos by using flashlights picture.
For solving above-mentioned technical problem, another technical solution used in the present invention is：A kind of calibration flash of light light color is provided
Inclined method, the method includes：Obtain the corresponding trichromatic original luminance value of current flash lamp；Obtain and correspond to reference to flash lamp
Trichromatic reference brightness value；Trichromatic brightness ratio is obtained according to original luminance value and reference brightness value；According to brightness
Corresponding reference gain value obtains the corresponding up-to-date yield value of current flash lamp under the present circumstances for ratio, reference flash lamp；?
Obtain under current environment and open the original image of current taking photos by using flashlights and using up-to-date yield value, image is carried out to original image
Process to eliminate the colour cast of current flash lamp.
Wherein, the step of the acquisition corresponding trichromatic original luminance value of current flash lamp is：Obtain under predetermined dark situation
Take away the reference picture opening current taking photos by using flashlights, wherein, reference picture is the RAW figure of undressed gray card；According to reference
Picture obtains trichromatic original luminance value.
Wherein, the step obtaining the corresponding trichromatic original luminance value of current flash lamp further includes：By three primary colories
Original luminance value store to the memorizer of current flash lamp；Read trichromatic original from the memorizer of current flash lamp
Brightness value.
Wherein, obtaining the step with reference to the corresponding trichromatic reference brightness value of flash lamp is：Obtain and current flash lamp
The corresponding trichromatic original luminance value of multiple flash lamies of same model；Obtain three according to multiple trichromatic original luminance value
The average brightness value of primary colors；Selected in multiple flash lamies of same model with reference to flash of light according to trichromatic average brightness value
Lamp；Read trichromatic reference brightness value from the memorizer with reference to flash lamp.
Wherein, the corresponding up-to-date yield value of current flash lamp is calculated according to equation below：
R_Newgain=R_gain × R_ratio；
G_Newgain=G_gain × G_ratio；
B_Newgain=B_gain × B_ratio；
Wherein, R_Newgain, G_Newgain, B_Newgain be the corresponding red, green of current flash lamp and blueness
New gain value, R_gain, G_gain, B_gain are to obtain after reference flash lamp carries out white balance debugging under current shooting environment
Red, green and blue reference gain value, R_ratio, G_ratio, B_ratio are red, green and blue luminences ratio.
For solving above-mentioned technical problem, another technical solution used in the present invention is：A kind of calibration flash of light light color is provided
Inclined device, this device includes：Original luminance value acquisition module, corresponding trichromatic original bright for obtaining current flash lamp
Angle value；Reference brightness value acquisition module, for obtaining with reference to the corresponding trichromatic reference brightness value of flash lamp；Brightness ratio obtains
Delivery block, is connected with original luminance value acquisition module and reference brightness value acquisition module respectively, for being obtained according to original luminance value
The original luminance value that delivery block obtains and the reference brightness value of reference brightness value module acquisition obtain trichromatic brightness ratio；?
New gain value acquisition module, is connected with brightness ratio module, for obtained according to brightness ratio acquisition module brightness ratio, ginseng
Corresponding reference gain value obtains the corresponding up-to-date yield value of current flash lamp under the present circumstances to examine flash lamp；Processing module,
It is connected with up-to-date gain acquisition module, obtain the original image opening current taking photos by using flashlights under the present circumstances and using up-to-date
The up-to-date yield value that yield value acquisition module obtains carries out image procossing to eliminate the colour cast of current flash lamp to original image.
Wherein, original luminance value acquisition module includes：First acquisition unit, works as obtaining to open under predetermined dark situation
The reference picture of front taking photos by using flashlights, wherein, reference picture is the RAW figure of undressed gray card；Second acquisition unit, with
One acquiring unit connects, and the reference picture for being obtained according to first acquisition unit obtains trichromatic original luminance value.
Wherein, original luminance value acquisition module further includes：Memory element, is connected with second acquisition unit, for inciting somebody to action
The trichromatic original luminance value that second acquisition unit obtains stores to the memorizer of current flash lamp；Reading unit, and deposits
Storage unit connects, for reading trichromatic original luminance value from the memorizer of memory element.
Wherein, reference brightness value acquisition module obtains the operation bag with reference to the corresponding trichromatic reference brightness value of flash lamp
Include：Reference brightness value acquisition module obtains corresponding with multiple flash lamies of current flash lamp same model trichromatic original bright
Angle value；Obtain trichromatic average brightness value according to multiple trichromatic original luminance value；According to trichromatic average brightness value
Multiple flash lamies of same model are selected with reference to flash lamp；Read trichromatic reference from the memorizer with reference to flash lamp
Brightness value.
Wherein, the corresponding up-to-date yield value of current flash lamp is calculated according to equation below：
R_Newgain=R_gain × R_ratio；
G_Newgain=G_gain × G_ratio；
B_Newgain=B_gain × B_ratio；
Wherein, R_Newgain, G_Newgain, B_Newgain be the corresponding red, green of current flash lamp and blueness
New gain value, R_gain, G_gain, B_gain are to obtain after reference flash lamp carries out white balance debugging under current shooting environment
Red, green and blue reference gain value, R_ratio, G_ratio, B_ratio are red, green and blue luminences ratio.
The invention has the beneficial effects as follows：It is different from the situation of prior art, the method for the calibration flash lamp colour cast of the present invention
And device passes through to obtain the corresponding trichromatic original luminance value of current flash lamp；Obtain corresponding trichromatic with reference to flash lamp
Reference brightness value；Trichromatic brightness ratio is obtained according to original luminance value and reference brightness value；According to brightness ratio, with reference to sudden strain of a muscle
Corresponding reference gain value obtains the corresponding up-to-date yield value of current flash lamp to light lamp under the present circumstances；Obtain under the present circumstances
Take away the original image opening current taking photos by using flashlights and using up-to-date yield value original image is carried out image procossing with eliminate work as
The colour cast of front flash lamp.By the way, the present invention can utilize the original luminance value of flash lamp to correct flash lamp color temperature difference
The different white balance colour cast problem brought, improves the Experience Degree of user.
Brief description
Fig. 1 is the flow chart of the method for calibration flash lamp colour cast of the embodiment of the present invention；
Fig. 2 is the structural representation of the device of calibration flash lamp colour cast of the embodiment of the present invention.
Specific embodiment
Employ some vocabulary to censure specific assembly in the middle of specification and claims.Skill in art
Art personnel are it is to be appreciated that same assembly may be called with different nouns by manufacturer.This specification and claims book
Not in the way of the difference of title is used as distinguishing assembly, but difference functionally is used as the base distinguished with assembly
Accurate.The present invention is described in detail with reference to the accompanying drawings and examples.
Fig. 1 is the flow chart of the method for calibration flash lamp colour cast of invention embodiment.If it is noted that having
Substantially the same result, the method for the present invention is not limited with the flow process order shown in Fig. 1.As shown in figure 1, the method includes
Step：
Step S101：Obtain the corresponding trichromatic original luminance value of current flash lamp.
In step S101, the step obtaining the corresponding trichromatic original luminance value of current flash lamp includes：Predetermined
Obtain under dark situation and open the reference picture that current taking photos by using flashlights gray card obtains, wherein, reference picture is undressed ash
The RAW figure of card.The corresponding trichromatic original luminance value that currently glistens is obtained according to this reference picture, is designated as red original respectively
Brightness value (R_luminance), green original luminance value (G_luminance) and blue original luminance value (B_luminance).
Then, trichromatic original luminance value is stored to the memorizer of current flash lamp.Specifically, in the present embodiment, will
Trichromatic original luminance value is burned onto in the disposable programmable read only memory (OTP ROM) of flash lamp.Finally, from current
Trichromatic original luminance value is read, specifically, in the present embodiment, from the one of current flash lamp in the memorizer of flash lamp
The corresponding trichromatic original luminance value of current flash lamp is read in secondary property programmable read only memory.
In general, when flash lamp dispatches from the factory, trichromatic original luminance value is burned onto sudden strain of a muscle in the flash lamp production phase
In the memorizer of light lamp, therefore, it can directly read trichromatic original luminance value from the memorizer of flash lamp.
Step S102：Obtain with reference to the corresponding trichromatic reference brightness value of flash lamp.
In step s 102：Obtain the step with reference to the corresponding trichromatic reference brightness value of flash lamp to include：Obtain with
The corresponding trichromatic original luminance value of multiple flash lamies of current flash lamp same model.According to multiple trichromatic original bright
Angle value obtains trichromatic average brightness value, in the present embodiment, so that multiple flash lamies are four as a example for, trichromatic flat
All the red average brightness value in brightness value is equal to the cumulative of four flash lamp corresponding redness original luminance value and divided by flash of light
The quantity of lamp namely four, green average brightness value, blue average brightness value obtain computational methods and are similar to.According to trichromatic averagely bright
Angle value is selected with reference to flash lamp in multiple flash lamies of same model, specifically, in the present embodiment, in same model
The flash lamp selecting trichromatic original luminance value in multiple flash lamies closest to trichromatic average brightness value is as with reference to sudden strain of a muscle
Light lamp.Read trichromatic original luminance value as reference brightness value from the memorizer with reference to flash lamp, be designated as redness respectively
Reference brightness value (R_Average), green reference brightness value (G_Average) and blue reference brightness value (B_Average).
Step S103：Trichromatic brightness ratio is obtained according to original luminance value and reference brightness value.
In step s 103, trichromatic brightness ratio is calculated according to equation below：
R_ratio=R_luminance/R_Average；
G_ratio=G_luminance/G_Average；
B_ratio=B_luminance/B_Average；
Wherein, R_ratio, G_ratio, B_ratio are red, green and blue luminences ratio, R_luminance, G_
Luminance, B_luminance are corresponding red, the green and blue original luminance value of current flash lamp, R_Average, G_
Average, B_Average are with reference to corresponding red, the green and blue reference brightness value of flash lamp.
Step S104：According to brightness ratio, with reference to flash lamp, corresponding reference gain value obtains currently under the present circumstances
The corresponding up-to-date yield value of flash lamp.
In step S104, the corresponding up-to-date yield value of current flash lamp is calculated according to equation below：
R_Newgain=R_gain × R_ratio；
G_Newgain=G_gain × G_ratio；
B_Newgain=B_gain × B_ratio；
Wherein, R_Newgain, G_Newgain, B_Newgain be the corresponding red, green of current flash lamp and blueness
New gain value, R_gain, G_gain, B_gain are to obtain after reference flash lamp carries out white balance debugging under current shooting environment
Red, green and blue reference gain value, R_ratio, G_ratio, B_ratio are red, green and blue luminences ratio.
Step S105：Obtain the original image opening current taking photos by using flashlights under the present circumstances and utilize up-to-date yield value
Original image is carried out with image procossing to eliminate the colour cast of current flash lamp.
In step S105, because the up-to-date yield value of current flash lamp is according to current flash lamp and reference flash lamp
Brightness ratio and with reference to flash lamp carry out white balance debugging under the present circumstances after reference gain value acquire, so
The white balance colour cast problem that monomer flash lamp colour temperature difference causes just can be avoided well.That is, applying above-mentioned brightness ratio
Value just can eliminate the difference between monomer flash lamp so that the debugging of the photographing module parameter of mobile-terminal platform only needs to be based on
Carry out debugging with reference to flash lamp.
Fig. 2 is the structural representation of the device of calibration flash lamp colour cast of the embodiment of the present invention.As shown in Fig. 2 this device
Including：Original luminance value acquisition module 21, reference brightness value acquisition module 22, brightness ratio acquisition module 23, up-to-date yield value
Acquisition module 24 and processing module 25.
Original luminance value acquisition module 21 is used for obtaining the corresponding trichromatic original luminance value of current flash lamp.Specifically come
Say, original luminance value acquisition module 21 includes first acquisition unit 211, second acquisition unit 212, memory element 213 and reads
Unit 214.First acquisition unit 211 is for the gray card of the current taking photos by using flashlights of acquisition unlatching under predetermined dark situation with reference to figure
Piece, wherein, this picture is the RAW figure of undressed gray card.Second acquisition unit 212 is connected with first acquisition unit 211, uses
Obtain trichromatic original luminance value in the reference picture obtaining according to first acquisition unit 211.Memory element 213 obtains with second
Unit 212 is taken to connect, the trichromatic original luminance value for obtaining second acquisition unit 212 stores to current flash lamp
In memorizer.Reading unit 214 is connected with memory element 213, trichromatic for reading from the memorizer of memory element 213
Original luminance value.
Reference brightness value acquisition module 22 is used for obtaining with reference to the corresponding trichromatic reference brightness value of flash lamp.Specifically come
Say, the operation that reference brightness value acquisition module 22 obtains with reference to the corresponding trichromatic reference brightness value of flash lamp includes：Reference
Brightness value acquisition module 22 obtains trichromatic original luminance value corresponding with multiple flash lamies of current flash lamp same model；
Obtain trichromatic average brightness value according to multiple trichromatic original luminance value；According to trichromatic average brightness value identical
Select in multiple flash lamies of model with reference to flash lamp；Read trichromatic reference brightness from the memorizer with reference to flash lamp
Value.
Brightness ratio acquisition module 23 respectively with original luminance value acquisition module 21 in reading unit 214 and reference brightness
Value acquisition module 22 connects, for the original luminance value that obtained according to original luminance value acquisition module 21 and reference brightness value module
The reference brightness value of 22 acquisitions obtains trichromatic brightness ratio.
Up-to-date yield value acquisition module 24 is connected with brightness ratio module 23, for being obtained according to brightness ratio acquisition module 23
The brightness ratio that takes, with reference to flash lamp under the present circumstances corresponding reference gain value to obtain current flash lamp corresponding the most newly-increased
Benefit value.
Specifically, the corresponding up-to-date yield value of current flash lamp is calculated according to equation below：
R_Newgain=R_gain × R_ratio；
G_Newgain=G_gain × G_ratio；
B_Newgain=B_gain × B_ratio；
Wherein, R_Newgain, G_Newgain, B_Newgain be the corresponding red, green of current flash lamp and blueness
New gain value, R_gain, G_gain, B_gain are to obtain after reference flash lamp carries out white balance debugging under current shooting environment
Red, green and blue reference gain value, R_ratio, G_ratio, B_ratio are red, green and blue luminences ratio.
Processing module 25 is connected with up-to-date gain acquisition module 24, obtains under the present circumstances and opens current taking photos by using flashlights
Original image and using up-to-date yield value acquisition module 24 obtain up-to-date yield value image procossing is carried out to this original image
To eliminate the colour cast of current flash lamp.
The invention has the beneficial effects as follows：It is different from the situation of prior art, the method for the calibration flash lamp colour cast of the present invention
And device passes through to obtain the corresponding trichromatic original luminance value of current flash lamp；Obtain corresponding trichromatic with reference to flash lamp
Reference brightness value；Trichromatic brightness ratio is obtained according to original luminance value and reference brightness value；According to brightness ratio, with reference to sudden strain of a muscle
Corresponding reference gain value obtains the corresponding up-to-date yield value of current flash lamp to light lamp under the present circumstances；Obtain under the present circumstances
Take away the original image opening current taking photos by using flashlights and using up-to-date yield value original image is carried out image procossing with eliminate work as
The colour cast of front flash lamp.By the way, the present invention can utilize the original luminance value of flash lamp to correct flash lamp color temperature difference
The different white balance colour cast problem brought, improves the Experience Degree of user.
The foregoing is only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization is originally
Equivalent structure or equivalent flow conversion that description of the invention is made, or directly or indirectly it is used in other related technical fields,
It is included within the scope of the present invention.
Claims (10)
1. a kind of method of calibration flash lamp colour cast is it is characterised in that methods described includes：
Obtain the corresponding trichromatic original luminance value of current flash lamp；
Obtain with reference to the corresponding trichromatic reference brightness value of flash lamp；
Trichromatic brightness ratio is obtained according to described original luminance value and described reference brightness value；
According to described brightness ratio, described with reference to flash lamp, corresponding reference gain value obtains described current sudden strain of a muscle under the present circumstances
The corresponding up-to-date yield value of light lamp；
Obtain the original image opening described current taking photos by using flashlights and utilize described up-to-date yield value under described current environment
Described original image is carried out with image procossing to eliminate the colour cast of described current flash lamp.
2. method according to claim 1 is it is characterised in that the current flash lamp of described acquisition is corresponding trichromatic original
The step of brightness value is：
Obtain the reference picture opening described current taking photos by using flashlights under predetermined dark situation, wherein, described reference picture is not
The RAW figure of treated gray card；
Trichromatic described original luminance value is obtained according to described reference picture.
3. method according to claim 2 is it is characterised in that the current flash lamp of described acquisition is corresponding trichromatic original
The step of brightness value further includes：
Trichromatic described original luminance value is stored to the memorizer of described current flash lamp；
Trichromatic described original luminance value is read from the described memorizer of described current flash lamp.
4. method according to claim 1 is it is characterised in that described acquisition is with reference to the corresponding trichromatic reference of flash lamp
The step of brightness value is：
Obtain the corresponding trichromatic original luminance value of multiple flash lamies with described current flash lamp same model；
Obtain trichromatic average brightness value according to multiple trichromatic original luminance value；
Described reference flash lamp is selected in multiple flash lamies of same model according to trichromatic described average brightness value；
Read trichromatic described reference brightness value from the described memorizer with reference to flash lamp.
5. method according to claim 4 is it is characterised in that the corresponding up-to-date yield value of described current flash lamp is according to such as
Lower formula is calculated：
R_Newgain=R_gain × R_ratio；
G_Newgain=G_gain × G_ratio；
B_Newgain=B_gain × B_ratio；
Wherein, R_Newgain, G_Newgain, B_Newgain be the corresponding red, green of described current flash lamp and blueness
New gain value, R_gain, G_gain, B_gain are after described reference flash lamp carries out white balance debugging under current shooting environment
Red, the green and blue reference gain value obtaining, R_ratio, G_ratio, B_ratio are red, green and blue luminences
Ratio.
6. a kind of device of calibration flash lamp colour cast is it is characterised in that described device includes：
Original luminance value acquisition module, for obtaining the corresponding trichromatic original luminance value of current flash lamp；
Reference brightness value acquisition module, for obtaining with reference to the corresponding trichromatic reference brightness value of flash lamp；
Brightness ratio acquisition module, is connected with described original luminance value acquisition module and described reference brightness value acquisition module respectively
Connect, described original luminance value and described reference brightness value module for being obtained according to described original luminance value acquisition module obtain
Described reference brightness value obtain trichromatic brightness ratio；
Up-to-date yield value acquisition module, is connected with described brightness ratio module, for being obtained according to described brightness ratio acquisition module
The brightness ratio that takes, described with reference to flash lamp, corresponding reference gain value obtains described current flash lamp and corresponds under the present circumstances
Up-to-date yield value；
Processing module, is connected with described up-to-date gain acquisition module, obtains and open described current flash of light under described current environment
The original image of lamp shooting simultaneously utilizes the described up-to-date yield value of described up-to-date yield value acquisition module acquisition to described original graph
Piece carries out image procossing to eliminate the colour cast of described current flash lamp.
7. device according to claim 6 is it is characterised in that described original luminance value acquisition module includes：
First acquisition unit, for obtaining the reference picture opening described current taking photos by using flashlights under predetermined dark situation, wherein,
Described reference picture is the RAW figure of undressed gray card；
Second acquisition unit, is connected with described first acquisition unit, for the described ginseng being obtained according to described first acquisition unit
Examine picture and obtain trichromatic described original luminance value.
8. device according to claim 7 is it is characterised in that described original luminance value acquisition module further includes：
Memory element, is connected with described second acquisition unit, trichromatic described for obtain described second acquisition unit
Original luminance value stores to the memorizer of described current flash lamp；
Reading unit, is connected with described memory element, trichromatic for reading from the described memorizer of described memory element
Described original luminance value.
9. device according to claim 6 is it is characterised in that described reference brightness value acquisition module obtains with reference to flash lamp
The operation of corresponding trichromatic reference brightness value includes：
It is former that described reference brightness value acquisition module obtains corresponding with multiple flash lamies of described current flash lamp same model three
The original luminance value of color；Obtain trichromatic average brightness value according to multiple trichromatic original luminance value；According to trichromatic
Described average brightness value selects described reference flash lamp in multiple flash lamies of same model；From described depositing with reference to flash lamp
Trichromatic described reference brightness value is read in reservoir.
10. device according to claim 9 it is characterised in that the corresponding up-to-date yield value of described current flash lamp according to
Equation below is calculated：
R_Newgain=R_gain × R_ratio；
G_Newgain=G_gain × G_ratio；
B_Newgain=B_gain × B_ratio；
Wherein, R_Newgain, G_Newgain, B_Newgain be the corresponding red, green of described current flash lamp and blueness
New gain value, R_gain, G_gain, B_gain are after described reference flash lamp carries out white balance debugging under current shooting environment
Red, the green and blue reference gain value obtaining, R_ratio, G_ratio, B_ratio are red, green and blue luminences
Ratio.
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| CN109068116A (en) * | 2018-08-31 | 2018-12-21 | 青岛海信移动通信技术股份有限公司 | Image processing method, device, mobile terminal and storage medium based on light filling |
| CN110896452A (en) * | 2018-09-13 | 2020-03-20 | 奇酷互联网络科技（深圳）有限公司 | Flash lamp correction method of mobile terminal, mobile terminal and device |
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