CN107105148A - Use the camera system and photographic method of combination flash modules - Google Patents
Use the camera system and photographic method of combination flash modules Download PDFInfo
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- CN107105148A CN107105148A CN201710495472.2A CN201710495472A CN107105148A CN 107105148 A CN107105148 A CN 107105148A CN 201710495472 A CN201710495472 A CN 201710495472A CN 107105148 A CN107105148 A CN 107105148A
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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
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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Abstract
The present invention relates to a kind of camera system and photographic method using combination flash modules, for mobile intelligent terminal, comprising：Flash modules are combined, is combined and is constituted by positive a white light flash lamp and at least two monochromatic light flash lamps；Light prediction module, in the positive white light pre flashing of flash lamp in combining flash modules, light-metering is carried out to shooting environmental；Main control module, according to photometry result, is selected in formal shoot using the flash lamp quantity in combination flash modules and flash of light lamp type；Electric current scheduling module, according to photometry result, each flash of light lamp type to selection allocates corresponding electric current, flash luminance and picture color saturation degree when control is formally shot.The present invention lifting can not only shoot brightness in the case where secretly clapping environment, and the color saturation as picture is added to by using the monochromatic light flash lamp of different colours, effectively lifting image quality, meets difference requirement of the different user for picture, lifts Consumer's Experience.
Description
Technical field
The present invention relates to a kind of camera system and photographic method, a kind of taking pictures using combination flash modules is specifically referred to
System and photographic method.
Background technology
At present, mobile phone or other mobile intelligent terminals（Such as tablet personal computer）It is respectively provided with camera function.But, it is special in light
Closely taken pictures under not dark environment, no matter have how intrepid dim light half-light is taken pictures ability, no flash lamp is also to reach
To good shooting quality.Therefore, the application of flash lamp has just been expedited the emergence of on the mobile intelligent terminals such as mobile phone, so that it is guaranteed that can be
In the case of insufficient light, also it can strengthen ambient light by flash lamp so that the photo taken improves definition and picture matter
Amount.That is, auxiliary sets flash lamp on mobile phone or tablet personal computer, the quality of photo can be effectively improved.
Existing flash lamp is mostly manufactured using blue LED lamp and fluorescent material, and this has just limited to the light of flash lamp significantly
Spectral limit so that blue light is more, and green and red light are then less.So the photo color meeting taken using this kind of flash lamp
Distortion（It is pale, colder tone）.And due to incomplete and fluorescent material the content problem of spectrum, it is easy to take blood-shot eye illness, glossy, skin
Color is pale and other effects, makes photo also be difficult to adjust even if by " the repairing appearance software " in later stage.
Based on above-mentioned, further consider to set highlighted flash lamp on mobile phone；When the brightness of flash lamp is higher, shoot
The photographic quality arrived is higher.Mainly there are following several technical schemes at present：
1st, module type flash lamp
Structure is by flashlight lens and flash lamp module, improving the light utilization efficiency of flash lamp；Wherein, particularly band is anti-
The module type flash lamp of light cup, can reach higher brightness；
But, the module type flash lamp has following defect during manufacture and use：Manufacturing cost is high；Structural volume is big,
So that the outward appearance and internal structure design of mobile phone are limited to；And the imaging image quality for the reference object beyond 3 meters is poor.
2nd, the flash lamp combination of two and the above
Structure is by will at least two（Generally 2~3）Flash lamp combines to form flash modules so that the sudden strain of a muscle after combination
Light lamp module has higher electric current of flash lamp, reaches higher brightness；
But, flash lamp combination has following defect in use：Electric current of flash lamp is larger so that it is using process
In less stable, with larger security risk；And it is same and for the imaging of the reference object beyond 3 meters
Image quality is poor.
3rd, xenon flash lamp
Structure is a kind of novel flash lamp containing xenon, also known as high-intensity discharge formula Gas lamp.Xenon flash lamp is in quartz lamp
Filling high-pressure inert gas " xenon ", are provided with mercury and carbon compound, by stabilizer with height in two end electrodes in pipe
Current voltage stimulates xenon to light, and forms perfect white electric arc between two end electrodes, the light sent closely sunshine light
Spectrum.
Although xenon flash lamp has very high light efficiency, it can reach that highest is bright in flash lamps all at present
Degree, but be due to that it has cost high during manufacture and use；Volume is big；Need capacitance boost；The shortcomings of power consumption is big, its
Do not use on the mobile intelligent terminals such as mobile phone, and it is most for mm professional camera special.
4th, double-colored temperature flash lamp
Structure is that two flash lamps are provided with the back of the mobile intelligent terminals such as mobile phone；Generally use a highlighted white
LED spotlight, with a unification brightness slightly dark amber LED warm colours lamp, so as to reach the effect of color temperature compensating.It is double
Colour temperature flash lamp substantially disclosure satisfy that the flash of light lamp color temperature demand under various photo environments, and white balance is substantially accurate.
But, the double-colored temperature flash lamp has following defect during manufacture and use：The brightness that it can reach is slightly
It is low, it is similar only with the brightness effects of single flash lamp；And the algorithm of double-colored temperature flash lamp is simultaneously immature, it is impossible to reach panchromatic temperature
Effect.
According to above-mentioned, need badly propose a kind of camera system and photographic method of use novel compositions flash modules at present,
And be applied on the mobile intelligent terminals such as mobile phone, the effectively image quality obtained by lifting shooting, and strengthen Consumer's Experience.
The content of the invention
, can not only it is an object of the invention to provide a kind of camera system and photographic method using combination flash modules
In the case where secretly clapping environment, lifting shoots brightness, and is added to by using the monochromatic light flash lamp of different colours the color as picture
Color saturation degree, effectively lifts image quality, and the difference for meeting different user for picture is required, lifts Consumer's Experience.
To achieve the above object, the present invention provides a kind of camera system using combination flash modules, is arranged on movement
On intelligent terminal, comprising：Flash modules are combined, structure is combined by positive a white light flash lamp and at least two monochromatic light flash lamps
Into；Light prediction module, in the positive white light pre flashing of flash lamp in combining flash modules, light-metering is carried out to shooting environmental；Master control
Module, respectively with light prediction module and combining flash modules connection, according to the photometry result of light prediction module, is selected formal
Using the flash lamp quantity in combination flash modules and flash of light lamp type during shooting；Electric current scheduling module, respectively with master control mould
Block and combination flash modules connection, according to the photometry result of light prediction module, in selected combination flash modules
Each flash of light lamp type, allocate corresponding electric current, control is formal when shooting flash luminance and picture color saturation degree.
Monochromatic light flash lamp in described combination flash modules is：Ultra-blue-light flash lamp, monochromatic feux rouges flash lamp,
Monochromatic flashed green lamp, monochromatic orange light flash lamp, monochromatic yellows light flash lamp, monochromatic cyan flash lamp, monochromatic purple flash lamp；And
It is preferential to select ultra-blue-light flash lamp, or monochromatic feux rouges flash lamp, or monochromatic flashed green lamp.
Each flash lamp in described combination flash modules using certain point be center of circle uniform ring around setting；Or, with
Positive white light flash lamp is the center of circle, and other each monochromatic light flash lamps are around its uniform ring around setting.
Described light prediction module is included：Light sensing unit, the positive white light pre flashing of flash lamp in combination flash modules
When, gather the illumination of shooting environmental；Light analytic unit, is connected with light sensing unit, and the illumination that light sensing unit is collected is entered
Row analysis, prediction obtains the illumination parameter of shooting environmental before formal shoot, and specifically includes：It is determined that obtaining the brightness of shooting environmental
Value；It is determined that obtaining the focal length value of reference object；And according to each monochromatic light flash lamp set in combination flash modules
It is photochromic, it is determined that obtaining reference object respectively for those photochromic photosensitive values.
Described main control module is included：Illumination parameter memory cell, is connected, Storage Estimation is obtained with described light analytic unit
The brightness value of the shooting environmental arrived, the focal length value of reference object and reference object are respectively for Bu Tong photochromic photosensitive value；Brightness
Comparing unit, is connected with described illumination parameter memory cell, when the brightness value for the shooting environmental that prediction is obtained is less than luminance threshold
During value, it is determined that needing to select the positive white light flash lamp using in combination flash modules during formal shooting；Focal length comparing unit, point
It is not connected with described illumination parameter memory cell and brightness comparing unit, when the focal length value for the reference object that prediction is obtained is more than
During focal length threshold value, it is determined that needing to select the monochromatic light flash lamp using in combination flash modules during formal shooting；Saturation degree ratio
Compared with unit, it is connected respectively with described illumination parameter memory cell and focal length comparing unit, will predicts that obtained reference object divides
It is not compared to each other for different photochromic photosensitive values, it is determined that needing the monochromatic light flash lamp for selecting to use, control during formal shooting
Compensation coarse adjustment to color saturation.
Described electric current scheduling module is included：Positive white light electric current of flash lamp deployment unit, with described brightness comparing unit
Connection, the brightness value of the shooting environmental obtained according to prediction and the difference of default luminance threshold, it is just white when being formal shoot
Light flash lamp allocates corresponding operating current, the brightness of control combination flash modules；Monochromatic light electric current of flash lamp deployment unit,
It is connected with described saturation degree comparing unit, according to ratio of the obtained reference object of prediction respectively for different photochromic photosensitive values
Value, the monochromatic light flash lamp that selection is used when being respectively formal shoot allocates corresponding operating current, controls to color saturation
Compensation fine tuning.
The present invention also provides a kind of photographic method using combination flash modules, and flash modules are combined using using
Camera system is realized, is comprised the steps of：
S1, on the mobile intelligent terminal such as mobile phone or tablet personal computer, set by a positive white light flash lamp and at least two monochromes
The combination flash modules that the combination of light flash lamp is constituted；
S2, combine flash modules in positive white light pre flashing of flash lamp when, light prediction module to shooting environmental carry out light-metering；
S3, the photometry result according to light prediction module, main control module selection is in formal shoot using in combination flash modules
Flash lamp quantity and flash of light lamp type；
S4, the photometry result according to light prediction module, electric current scheduling module are each in selected combination flash modules
Lamp type of glistening allocates corresponding electric current, flash luminance and picture color saturation degree when control is formally shot；
S5, formal shoot are imaged.
In described S1, the monochromatic light flash lamp in combination flash modules is：Ultra-blue-light flash lamp, monochromatic feux rouges dodges
Light lamp, monochromatic flashed green lamp, monochromatic orange light flash lamp, monochromatic yellows light flash lamp, monochromatic cyan flash lamp, monochromatic purple flash of light
Lamp；And it is preferential from ultra-blue-light flash lamp, or monochromatic feux rouges flash lamp, or monochromatic flashed green lamp.
In described S1, each flash lamp in combination flash modules using certain point be center of circle uniform ring around setting；Or
Person, using positive white light flash lamp as the center of circle, other each monochromatic light flash lamps are around its uniform ring around setting.
In described S2, specifically comprise the steps of：
S21, combine flash modules in positive white light pre flashing of flash lamp when, light sensing unit gather shooting environmental illumination；
The illumination that S22, light analytic unit are collected to light sensing unit is analyzed, and prediction obtains shooting ring before formal shoot
The illumination parameter in border；Specifically include：It is determined that obtaining the brightness value of shooting environmental；It is determined that obtaining the focal length value of reference object；And
According to the photochromic of each monochromatic light flash lamp set in combination flash modules, it is determined that obtaining reference object respectively for those
Photochromic photosensitive value.
In described S3, specifically comprise the steps of：
The brightness value of shooting environmental, the focal length value of reference object and shooting that S31, illumination parameter memory cell Storage Estimation are obtained
Object is respectively for different photochromic photosensitive values；
The brightness value for predicting obtained shooting environmental is compared by S32, brightness comparing unit with default luminance threshold；If
When predicting that the brightness value of obtained shooting environmental is less than luminance threshold, it is determined that needing to select using combination flash lamp during formal shooting
Positive white light flash lamp in module, and continue executing with S33；Otherwise S5 is continued executing with；
The focal length value for predicting obtained reference object is compared by S33, focal length comparing unit with default focal length threshold value；If
When predicting that the focal length value of obtained reference object is more than focal length threshold value, it is determined that needing to select using combination flash lamp during formal shooting
Monochromatic light flash lamp in module, and continue executing with S34；Otherwise S42 is continued executing with；
S34, saturation degree comparing unit will predict that obtained reference object is compared to each other respectively for different photochromic photosensitive values, arrange
Except the photochromic corresponding monochromatic light flash lamp of photosensitive value highest, it is determined that needing the monochromatic light flash of light for selecting to use during formal shooting
Lamp is remaining monochromatic light flash lamp in combination flash modules, controls the compensation coarse adjustment to color saturation, and continue executing with
S41。
In described S4, specifically comprise the steps of：
S41, monochromatic light electric current of flash lamp deployment unit are according to the obtained reference object of prediction respectively for different photochromic photosensitive
The monochromatic light flash lamp that selection is used during the ratio of value, respectively formal shooting allocates corresponding operating current so that shooting pair
As identical for each photochromic photosensitive value, the compensation fine tuning to color saturation is controlled；
The brightness value for the shooting environmental that S42, positive white light electric current of flash lamp deployment unit are obtained according to prediction and default luminance threshold
The difference of value, positive white light flash lamp when being formal shoot allocates corresponding operating current, control combination flash modules it is bright
Degree.
In summary, the camera system and photographic method provided by the present invention using combination flash modules, can not only
Enough liftings in the case where secretly clapping environment shoot brightness, and are added to by using the monochromatic light flash lamp of different colours as picture
Color saturation, effectively lifts image quality, and the difference for meeting different user for picture is required, lifts Consumer's Experience.
Brief description of the drawings
Fig. 1 combines the structural representation of the camera system of flash modules for the use in the present invention；
Fig. 2 for the present invention in combination flash modules a kind of embodiment structural representation；
Fig. 3 for the present invention in combination flash modules another embodiment structural representation；
Fig. 4 for the present invention in light prediction module structural representation；
Fig. 5 is the main control module and the structural representation of electric current scheduling module in the present invention；
Fig. 6 combines the flow chart of the photographic method of flash modules for the use in the present invention；
Fig. 7 is the flash lamp quantity and the flow chart of flash lamp type selecting in the present invention.
Embodiment
Below in conjunction with Fig. 1~Fig. 7, multiple preferred embodiments of the present invention are described in detail.
As shown in figure 1, being the camera system provided by the present invention using combination flash modules, mobile phone is arranged on or flat
On the mobile intelligent terminals such as plate computer, comprising：Flash modules 1 are combined, it is monochromatic by a positive white light flash lamp and at least two
The combination of light flash lamp is constituted；Light prediction module 2, in the positive white light pre flashing of flash lamp in combining flash modules 1, to shooting ring
Border carries out light-metering；Main control module 3, respectively with light prediction module 2 and combining flash modules 1 and connecting, according to light prediction module 2
Photometry result, is selected in formal shoot using the flash lamp quantity in combination flash modules 1 and flash of light lamp type；Electric current is adjusted
With module 4, respectively with main control module 3 and combining flash modules 1 and connecting, according to the photometry result of light prediction module 2, for institute
Each flash of light lamp type in the combination flash modules 1 of selection, allocates corresponding electric current, flashing bright when control is formally shot
Degree and picture color saturation degree.
Monochromatic light flash lamp in described combination flash modules 1 can be：Ultra-blue-light flash lamp, monochromatic feux rouges dodges
Light lamp, monochromatic flashed green lamp, monochromatic orange light flash lamp, monochromatic yellows light flash lamp, monochromatic cyan flash lamp, monochromatic purple flash of light
Lamp.
If specifically, the selection quantity of the monochromatic light flash lamp in combination flash modules 1 is less than or equal to 3, herein
In the case of monochromatic light flash lamp prioritizing selection ultra-blue-light flash lamp, or monochromatic feux rouges flash lamp, or monochromatic flashed green lamp.Enter
One step, when the selection quantity for combining the monochromatic light flash lamp in flash modules 1 is more than 3, the monochromatic indigo plant in prioritizing selection
Outside light flash lamp, monochromatic feux rouges flash lamp and monochromatic flashed green lamp, then select the monochromatic light flash lamp of other colors.
Each flash lamp in described combination flash modules 1 using certain point be center of circle uniform ring around setting；Or, with
Positive white light flash lamp is the center of circle, and other each monochromatic light flash lamps are around its uniform ring around setting.
In a preferred embodiment of the invention, as shown in Fig. 2 described combination flash modules 1 are just white by one
The monochromatic feux rouges flash lamp combination of light flash lamp, a ultra-blue-light flash lamp and one is constituted.And this 3 white, blue, flashing reds
Lamp, around setting, is spaced 120 degree two-by-two each other by center of circle uniform ring of certain point.Flash lamp is combined using this structure setting
Module 1 so that it has good uniformity in use.Additionally need, it is noted that should not be with shown in Fig. 2
Putting in order for each flash lamp is limited；That is, this 3 white, blue, putting in order for flashing red lamp can arbitrarily be set.
In second preferred embodiment of the present invention, described combination flash modules 1 can also be by a positive white light
Flash lamp, a ultra-blue-light flash lamp, a monochromatic feux rouges flash lamp and a monochromatic flashed green lamp combination are constituted.And
This 4 white, blue, red, flashing green lamps, around setting, are spaced 90 degree two-by-two each other by center of circle uniform ring of certain point.Using this
Individual structure setting combines flash modules 1 so that it has good uniformity in use.Alternatively, it is also possible to by this 4
Individual flash lamp is symmetrical arranged up and down, as long as its uniformity can be kept.Additionally need, it is noted that this 4 it is white,
It is blue, red, flashing green lamp to put in order and arbitrarily set.
The present invention the 3rd preferred embodiment in, as shown in figure 3, described combination flash modules 1 by one just
White light flash lamp, a ultra-blue-light flash lamp, a monochromatic feux rouges flash lamp and a monochromatic flashed green lamp combination are constituted.
And positive white light flash lamp therein is arranged on home position, and by ultra-blue-light flash lamp, monochromatic feux rouges flash lamp and list
Color flashed green lamp, around setting, is spaced 120 degree two-by-two each other around positive white light flash lamp uniform ring.Set using this structure
Put combination flash modules 1 so that it has good uniformity in use.Additionally need, it is noted that should not be with
Shown putting in order for each flash lamp is limited in Fig. 3；That is, this 4 white, blue, red, flashing green lamp arrangements are suitable
Sequence can arbitrarily be set.
Certainly in other embodiments, described combination flash modules 1 can also be by a positive white light flash lamp and its
He is constituted in more monochromatic light flash lamp combinations, and can be realized using the setting structure that arbitrarily ensure that uniformity.For example,
Combine flash modules 1 this 7 monochromatic light can be glistened by positive a white light flash lamp and red, orange, yellow, green, blue, blue, purple
Lamp is collectively formed.When the monochromatic light flash lamp used is more, the image quality for shooting imaging will be better.
Further, each flash lamp in described combination flash modules 1 is used with the high aobvious flash lamp referred to.It is described
Height show finger refer to colour rendering index be more than more than 90, described colour rendering index refers to reducing power of the light source to object color.When
When combining each flash lamp in flash modules 1 with high aobvious finger, that is to say, that in shooting process for reference object
Reduction is truer, can reach higher picture image quality.
As shown in figure 4, described light prediction module 2 is included：Light sensing unit 21, in combination flash modules 1 just
During white light pre flashing of flash lamp, the illumination of shooting environmental is gathered；Light analytic unit 22, is connected with light sensing unit 21, to light sensing
The illumination that unit 21 is collected is analyzed, and prediction obtains the illumination parameter of shooting environmental before formal shoot；Specifically include：It is bright
Unit is spent, it is determined that obtaining the brightness value of shooting environmental；Focal length unit, it is determined that obtaining the focal length value of reference object；Saturation degree unit,
According to the photochromic of each monochromatic light flash lamp set in combination flash modules 1, it is determined that obtaining reference object respectively for this
A little photochromic photosensitive values.
As shown in figure 5, described main control module 3 is included：Illumination parameter memory cell 31, with described light analytic unit 22
Connection, the brightness value for the shooting environmental that Storage Estimation is obtained, the focal length value of reference object and reference object be not respectively for sharing the same light
The photosensitive value of color；Brightness comparing unit 32, is connected with described illumination parameter memory cell 31, the shooting environmental that prediction is obtained
Brightness value be compared with default luminance threshold；When the brightness value for the shooting environmental that prediction is obtained is less than luminance threshold,
It is determined that needing to select the positive white light flash lamp using in combination flash modules 1 during formal shooting；Focal length comparing unit 33, respectively
Be connected with described illumination parameter memory cell 31 and brightness comparing unit 32, will predict the obtained focal length value of reference object with
Default focal length threshold value is compared；When the focal length value for the reference object that prediction is obtained is more than focal length threshold value, it is determined that formal clap
Need to select the monochromatic light flash lamp using in combination flash modules 1 when taking the photograph；Saturation degree comparing unit 34, respectively with it is described
Illumination parameter memory cell 31 and focal length comparing unit 33 are connected, and will predict that obtained reference object is photochromic respectively for difference
Photosensitive value is compared to each other, and the photochromic corresponding monochromatic light flash lamp of photosensitive value highest is excluded, it is determined that needing choosing during formal shooting
It is remaining monochromatic light flash lamp in combination flash modules 1 to select the monochromatic light flash lamp used, is controlled to color saturation
Compensate coarse adjustment.
It is to be herein pointed out during saturation degree cell operation in light analytic unit 22, obtain each photosensitive is predicted
It is photochromic corresponding to value, with combining the photochromic consistent of each monochromatic light flash lamp set in flash modules 1.Namely
Say, if being provided with 3 monochromatic light flash lamps of red, green, blue in combination flash modules 1, then in saturation degree cell operation,
Just by prediction reference object respectively for 3 photochromic photosensitive values of red, green, blue.Also, when saturation degree comparing unit 34 is clapped
The size that object is taken the photograph for this 3 photochromic photosensitive values is followed successively by：Feux rouges photosensitive value>Green glow photosensitive value>Blue light sensitive value, then
Exclude the monochromatic feux rouges flash lamp corresponding to photosensitive value highest feux rouges, it is determined that it is formal need when shooting to select to use for combination
Green, blue 2 monochromatic light flash lamps in flash modules 1.
It can be illustrated again by a specific embodiment, if being provided with red, green, blue, Huang in combination flash modules 1
4 monochromatic light flash lamps, then in saturation degree cell operation, will just predict reference object respectively for red, green, blue, Huang 4
Photochromic photosensitive value.Also, when saturation degree comparing unit 34 obtain reference object for this 4 photochromic photosensitive values size according to
It is secondary to be：Feux rouges photosensitive value=green glow photosensitive value>Blue light sensitive value>Gold-tinted photosensitive value, then exclude photosensitive value highest feux rouges institute right
The monochromatic feux rouges flash lamp answered, and the monochromatic green glow flash lamp corresponding to green glow, it is determined that needing selection to use during formal shooting
For blue, yellow 2 monochromatic light flash lamps in combination flash modules 1.
Certainly, here for relatively carrying out the specific use for determining monochromatic light flash lamp by saturation degree, simply in system certainly
A kind of dynamic selection scheme for determining to use during monochromatic light flash lamp.Actually it for example can also only select photosensitive value by others
The schemes such as minimum photochromic corresponding monochromatic light flash lamp realize, in addition can also by the interactive interface of mobile intelligent terminal,
User is allowed to like unrestricted choice according to itself.
In addition, luminance threshold mentioned above and focal length threshold value, can be values set in advance in system, can also pass through
The interactive interface of mobile intelligent terminal, allows user freely to be set according to itself hobby.
As shown in figure 5, described electric current scheduling module 4 is included：Positive white light electric current of flash lamp deployment unit 41, it is and described
Brightness comparing unit 32 is connected, and the brightness value of the shooting environmental obtained according to prediction and the difference of default luminance threshold, are just
Positive white light flash lamp when formula is shot allocates corresponding operating current, the brightness of control combination flash modules 1；Monochromatic light glistens
Lamp current deployment unit 42, is connected with described saturation degree comparing unit 34, according to the obtained reference object of prediction respectively for
The ratio of different photochromic photosensitive values, the monochromatic light flash lamp that selection is used when being respectively formal shoot allocates corresponding work electricity
Stream so that reference object is identical for each photochromic photosensitive value, controls the compensation fine tuning to color saturation.
Specifically, when monochromatic light electric current of flash lamp deployment unit 42, to obtain reference object for red, green, blue 3 photochromic
The ratio of photosensitive value is 3:2:1, then by allocating 1 for 3 monochromatic light flash lamps of red, green, blue:2:3 operating current so that
During formal shooting, reference object is identical for 3 photochromic photosensitive values of red, green, blue, and the color that effectively have adjusted imaging picture is satisfied
And degree.
Certainly, here for needing that each photochromic photosensitive value is finally adjusted into identical technical side by operating current
Case, also simply optional one of which scheme.In addition, if the picture effect of user's preferences cool colour, can also be blue by setting
Light sensation light is slightly higher and realizes.Or by the interactive interface of mobile intelligent terminal user can also be allowed to be come from according to itself hobby
By selecting.
As shown in fig. 6, the present invention also provides a kind of photographic method using combination flash modules, dodged using using combination
The camera system of light lamp module is realized, is comprised the steps of：
S1, on the mobile intelligent terminal such as mobile phone or tablet personal computer, set by a positive white light flash lamp and at least two monochromes
The combination flash modules 1 that the combination of light flash lamp is constituted；
S2, combine flash modules 1 in positive white light pre flashing of flash lamp when, light prediction module 2 to shooting environmental carry out light-metering；
S3, the photometry result according to light prediction module 2, main control module 3 are selected in formal shoot using combination flash modules 1
In flash lamp quantity and flash of light lamp type；
S4, the photometry result according to light prediction module 2, electric current scheduling module 4 are each in selected combination flash modules 1
Individual flash of light lamp type allocates corresponding electric current, flash luminance and picture color saturation degree when control is formally shot；
S5, formal shoot are imaged.
In described S1, the monochromatic light flash lamp in combination flash modules 1 is：Ultra-blue-light flash lamp, monochromatic feux rouges
Flash lamp, monochromatic flashed green lamp, monochromatic orange light flash lamp, monochromatic yellows light flash lamp, monochromatic cyan flash lamp, monochromatic purple dodges
Light lamp.
Wherein, it is preferential to select ultra-blue-light flash lamp, or monochromatic feux rouges when the setting negligible amounts of monochromatic light flash lamp
Flash lamp, or monochromatic flashed green lamp.When the setting quantity of monochromatic light flash lamp is more, preferentially blue, red, green is being selected
After light flash lamp, then from the monochromatic light flash lamp of other colors.
In described S1, each flash lamp in combination flash modules 1 using certain point be center of circle uniform ring around setting；Or
Person, using positive white light flash lamp as the center of circle, other each monochromatic light flash lamps are around its uniform ring around setting.
In described S2, specifically comprise the steps of：
S21, combine flash modules 1 in positive white light pre flashing of flash lamp when, light sensing unit 21 gather shooting environmental light
According to；
The illumination that S22, light analytic unit 22 are collected to light sensing unit 21 is analyzed, and prediction is clapped before formal shoot
Take the photograph the illumination parameter of environment；Specifically include：It is determined that obtaining the brightness value of shooting environmental；It is determined that obtaining the focal length value of reference object；
And according to the photochromic of each monochromatic light flash lamp set in combination flash modules 1, it is determined that it is right respectively to obtain reference object
In those photochromic photosensitive values.
As shown in fig. 7, in described S3, specifically comprising the steps of：
The brightness value of shooting environmental, the focal length value of reference object and bat that S31, the Storage Estimation of illumination parameter memory cell 31 are obtained
Object is taken the photograph respectively for different photochromic photosensitive values；
The brightness value for predicting obtained shooting environmental is compared by S32, brightness comparing unit 32 with default luminance threshold；Such as
When really predicting that the brightness value of obtained shooting environmental is less than luminance threshold, it is determined that needing to select to glisten using combination during formal shooting
Positive white light flash lamp in lamp module 1, and continue executing with S33；Otherwise S5 is continued executing with；
The focal length value for predicting obtained reference object is compared by S33, focal length comparing unit 33 with default focal length threshold value；Such as
When really predicting that the focal length value of obtained reference object is more than focal length threshold value, it is determined that needing to select to glisten using combination during formal shooting
Monochromatic light flash lamp in lamp module 1, and continue executing with S34；Otherwise S42 and S5 are continued executing with；
S34, saturation degree comparing unit 34 will predict that obtained reference object is compared to each other respectively for different photochromic photosensitive values,
The photochromic corresponding monochromatic light flash lamp of photosensitive value highest is excluded, it is determined that needing the monochromatic color break-up for selecting to use during formal shooting
Light lamp is remaining monochromatic light flash lamp in combination flash modules 1, controls the compensation coarse adjustment to color saturation, and continue to hold
Row S41, S42 and S5.
Likewise, herein for the use for relatively carrying out specifically to determine monochromatic light flash lamp by saturation degree, simply in system
Automatically determine a kind of selection scheme used during monochromatic light flash lamp.Actually it for example can also only select photosensitive by others
It is worth the schemes such as minimum photochromic corresponding monochromatic light flash lamp to realize, or even can also be by interaction circle of mobile intelligent terminal
Face, allows user to like unrestricted choice according to itself.
In addition, luminance threshold mentioned above and focal length threshold value, can be values set in advance in system, can also pass through
The interactive interface of mobile intelligent terminal, allows user freely to be set according to itself hobby.
In described S4, specifically comprise the steps of：
The reference object that S41, monochromatic light electric current of flash lamp deployment unit 42 are obtained according to prediction is respectively for different photochromic senses
The ratio of light value, the monochromatic light flash lamp that selection is used when being respectively formal shoot allocates corresponding operating current so that shoot
Object is identical for each photochromic photosensitive value, controls the compensation fine tuning to color saturation；
The brightness value for the shooting environmental that S42, positive white light electric current of flash lamp deployment unit 41 are obtained according to prediction and default brightness
The difference of threshold value, positive white light flash lamp when being formal shoot allocates corresponding operating current, control combination flash modules 1
Brightness.
Likewise, herein for needing that each photochromic photosensitive value is finally adjusted into identical technical side by operating current
Case, also simply optional one of which scheme.In addition, if the picture effect of user's preferences cool colour, can also be blue by setting
Light sensation light is slightly higher and realizes.Or by the interactive interface of mobile intelligent terminal user can also be allowed to be come from according to itself hobby
By selecting.
Using provided by the present invention using the camera system and photographic method that combine flash modules, it can be clapped different
Take the photograph under environment, meet different demands of the user for picture color of different hobbies.For example, for the deeper user of the colour of skin, its
Wish in dark clap using the present invention, can to carry by using positive white light flash lamp while strengthen the ruddy of facial skin
Height shoots brightness, and lifts the saturation degree of the colour of skin by using monochromatic feux rouges flash lamp.
Or for the shallower user of the colour of skin, it wishes to enable to face that relatively smooth pale effect is presented in dark clap
Really, using the present invention, it can be improved by using positive white light flash lamp and shoot brightness, and by using ultra-blue-light flash lamp
To reach the smooth pale effect of the colour of skin.
In summary, the camera system and photographic method provided by the present invention using combination flash modules, can not only
Enough liftings in the case where secretly clapping environment shoot brightness, and are added to by using the monochromatic light flash lamp of different colours as picture
Color saturation, effectively lifts image quality, and the difference for meeting different user for picture is required, lifts Consumer's Experience.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (12)
1. a kind of camera system using combination flash modules, it is characterised in that be arranged on mobile intelligent terminal, comprising：
Flash modules are combined, is combined and is constituted by positive a white light flash lamp and at least two monochromatic light flash lamps；
Light prediction module, in the positive white light pre flashing of flash lamp in combining flash modules, light-metering is carried out to shooting environmental；
Main control module, respectively with light prediction module and combining flash modules connection, according to the photometry result of light prediction module, choosing
Select in formal shoot using the flash lamp quantity in combination flash modules and flash of light lamp type；
Electric current scheduling module, respectively with main control module and combine flash modules connection, according to the photometry result of light prediction module,
For each flash lamp in selected combination flash modules, corresponding electric current, flash of light when control is formally shot are allocated
Brightness and picture color saturation degree.
2. the camera system as claimed in claim 1 using combination flash modules, it is characterised in that described combination flash of light
Monochromatic light flash lamp in lamp module is：Ultra-blue-light flash lamp, monochromatic feux rouges flash lamp, monochromatic green glow flash lamp, monochromatic orange
Light flash lamp, monochromatic yellows light flash lamp, monochromatic green light flash lamp, monochromatic purple light flash lamp.
3. the camera system as claimed in claim 2 using combination flash modules, it is characterised in that described combination flash of light
Each flash lamp in lamp module using certain point be center of circle uniform ring around setting；Or, using positive white light flash lamp as the center of circle, other
Each monochromatic light flash lamp is around its uniform ring around setting.
4. the camera system as claimed in claim 1 using combination flash modules, it is characterised in that described light prediction mould
Block is included：
Light sensing unit, in the positive white light pre flashing of flash lamp in combining flash modules, gathers the illumination of shooting environmental；
Light analytic unit, is connected with light sensing unit, and the illumination that light sensing unit is collected is analyzed, before formal shoot
Prediction obtains the illumination parameter of shooting environmental, specifically includes：It is determined that obtaining the brightness value of shooting environmental；It is determined that obtaining reference object
Focal length value；And according to the photochromic of each monochromatic light flash lamp set in combination flash modules, it is determined that obtaining shooting pair
As respectively for those photochromic photosensitive values.
5. the camera system as claimed in claim 4 using combination flash modules, it is characterised in that described main control module
Comprising：
Illumination parameter memory cell, is connected with described light analytic unit, the brightness value for the shooting environmental that Storage Estimation is obtained, bat
The focal length value of object is taken the photograph with reference object respectively for Bu Tong photochromic photosensitive value；
Brightness comparing unit, is connected with described illumination parameter memory cell, when the brightness value for predicting obtained shooting environmental is low
When luminance threshold, it is determined that needing to select the positive white light flash lamp using in combination flash modules during formal shooting；
Focal length comparing unit, is connected with described illumination parameter memory cell and brightness comparing unit respectively, is obtained when prediction
When the focal length value of reference object is more than focal length threshold value, it is determined that needing to select the list using in combination flash modules during formal shooting
Coloured light flash lamp；
Saturation degree comparing unit, is connected with described illumination parameter memory cell and focal length comparing unit, prediction is obtained respectively
Reference object be compared to each other respectively for different photochromic photosensitive values, it is determined that the formal monochromatic light for needing when shooting to select to use
Flash lamp, controls the compensation coarse adjustment to color saturation.
6. the camera system as claimed in claim 5 using combination flash modules, it is characterised in that described electric current allotment
Module is included：
Positive white light electric current of flash lamp deployment unit, is connected with described brightness comparing unit, the shooting environmental obtained according to prediction
Brightness value and default luminance threshold difference, positive white light flash lamp when being formal shoot allocates corresponding operating current,
The brightness of control combination flash modules；
Monochromatic light electric current of flash lamp deployment unit, is connected with described saturation degree comparing unit, the shooting pair obtained according to prediction
As the ratio respectively for different photochromic photosensitive values, the monochromatic light flash lamp allotment pair that selection is used when being respectively formal shoot
The operating current answered, controls the compensation fine tuning to color saturation.
7. a kind of photographic method using combination flash modules, it is characterised in that using the bat using combination flash modules
Lighting system is realized, is comprised the steps of：
S1, on the mobile intelligent terminal such as mobile phone or tablet personal computer, set by a positive white light flash lamp and at least two monochromes
The combination flash modules that the combination of light flash lamp is constituted；
S2, combine flash modules in positive white light pre flashing of flash lamp when, light prediction module to shooting environmental carry out light-metering；
S3, the photometry result according to light prediction module, main control module selection is in formal shoot using in combination flash modules
Flash lamp quantity and flash of light lamp type；
S4, the photometry result according to light prediction module, electric current scheduling module are each in selected combination flash modules
Flash lamp allocates corresponding electric current, flash luminance and picture color saturation degree when control is formally shot；
S5, formal shoot are imaged.
8. the photographic method as claimed in claim 7 using combination flash modules, it is characterised in that in described S1, group
Close flash modules in monochromatic light flash lamp be：Ultra-blue-light flash lamp, monochromatic feux rouges flash lamp, monochromatic green glow flash lamp,
Monochromatic orange light flash lamp, monochromatic yellows light flash lamp, monochromatic green light flash lamp, monochromatic purple light flash lamp.
9. the photographic method as claimed in claim 8 using combination flash modules, it is characterised in that in described S1, group
Close each flash lamp in flash modules using certain point be center of circle uniform ring around setting；Or, using positive white light flash lamp as circle
The heart, other each monochromatic light flash lamps are around its uniform ring around setting.
10. the photographic method as claimed in claim 7 using combination flash modules, it is characterised in that in described S2, tool
Body is comprised the steps of：
S21, combine flash modules in positive white light pre flashing of flash lamp when, light sensing unit gather shooting environmental illumination；
The illumination that S22, light analytic unit are collected to light sensing unit is analyzed, and prediction obtains shooting ring before formal shoot
The illumination parameter in border；Specifically include：It is determined that obtaining the brightness value of shooting environmental；It is determined that obtaining the focal length value of reference object；And
According to the photochromic of each monochromatic light flash lamp set in combination flash modules, it is determined that obtaining reference object respectively for those
Photochromic photosensitive value.
11. the photographic method as claimed in claim 10 using combination flash modules, it is characterised in that in described S3,
Specifically comprise the steps of：
The brightness value of shooting environmental, the focal length value of reference object and shooting that S31, illumination parameter memory cell Storage Estimation are obtained
Object is respectively for different photochromic photosensitive values；
The brightness value for predicting obtained shooting environmental is compared by S32, brightness comparing unit with default luminance threshold；If
When predicting that the brightness value of obtained shooting environmental is less than luminance threshold, it is determined that needing to select using combination flash lamp during formal shooting
Positive white light flash lamp in module, and continue executing with S33；Otherwise S5 is continued executing with；
The focal length value for predicting obtained reference object is compared by S33, focal length comparing unit with default focal length threshold value；If
When predicting that the focal length value of obtained reference object is more than focal length threshold value, it is determined that needing to select using combination flash lamp during formal shooting
Monochromatic light flash lamp in module, and continue executing with S34；
S34, saturation degree comparing unit will predict that obtained reference object is compared to each other respectively for different photochromic photosensitive values, arrange
Except the photochromic corresponding monochromatic light flash lamp of photosensitive value highest, it is determined that needing the monochromatic light flash of light for selecting to use during formal shooting
Lamp is remaining monochromatic light flash lamp in combination flash modules, controls the compensation coarse adjustment to color saturation.
12. the photographic method as claimed in claim 11 using combination flash modules, it is characterised in that in described S4,
Specifically comprise the steps of：
S41, monochromatic light electric current of flash lamp deployment unit are according to the obtained reference object of prediction respectively for different photochromic photosensitive
The monochromatic light flash lamp that selection is used during the ratio of value, respectively formal shooting allocates corresponding operating current so that shooting pair
As identical for each photochromic photosensitive value, the compensation fine tuning to color saturation is controlled；
The brightness value for the shooting environmental that S42, positive white light electric current of flash lamp deployment unit are obtained according to prediction and default luminance threshold
The difference of value, positive white light flash lamp when being formal shoot allocates corresponding operating current, control combination flash modules it is bright
Degree.
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