CN106210556A - A kind of photographic method and terminal - Google Patents
A kind of photographic method and terminal Download PDFInfo
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- CN106210556A CN106210556A CN201610639850.5A CN201610639850A CN106210556A CN 106210556 A CN106210556 A CN 106210556A CN 201610639850 A CN201610639850 A CN 201610639850A CN 106210556 A CN106210556 A CN 106210556A
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- color
- image
- lighting sources
- supplementary lighting
- terminal
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
-
- 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
Abstract
Embodiments providing a kind of photographic method and terminal, the method includes: the distance between measuring terminals and subject；According to the distance between terminal and subject, gathered the color data of light source by color sensor；The color data using light source adjusts the color of supplementary lighting sources；Start the supplementary lighting sources after adjusting color and carry out light filling；By camera collection image.Implement the embodiment of the present invention, the shooting effect of image can be improved.
Description
Technical field
The present invention relates to camera technique field, be specifically related to a kind of photographic method and terminal.
Background technology
Along with the development of electronic technology, photographic head has become in the terminal such as mobile phone, panel computer requisite group
Becoming part, therefore, user can be by the dribs and drabs in the photographic head record life in terminal.Due to light source when user takes pictures
Color is changeable, and the color of light source is different, and the effect of the image of shooting may be different, so that the image of shooting cannot be ensured
Do not affected by light source colour, thus reduced the shooting effect of image.
Summary of the invention
The embodiment of the present invention provides a kind of photographic method and terminal, can improve the shooting effect of image.
Embodiment of the present invention first aspect provides a kind of photographic method, including:
Distance between measuring terminals and subject；
According to described distance, gathered the color data of light source by color sensor；
Described color data is used to adjust the color of supplementary lighting sources；
Open the described supplementary lighting sources after adjusting color and carry out light filling；
By camera collection image.
Embodiment of the present invention second aspect provides a kind of terminal, including:
Measuring unit, for measuring the distance between described terminal and subject；
First collecting unit, for the distance measured according to described measuring unit, gathers light source by color sensor
Color data；
First adjustment unit, the color data for using described first collecting unit to gather adjusts the face of supplementary lighting sources
Color；
Light filling unit, carries out light filling for opening the described supplementary lighting sources after described first adjustment unit adjusts color；
Second collecting unit, for by camera collection image.
In the embodiment of the present invention, the distance between measuring terminals and subject, according to terminal and subject it
Between distance by color sensor gather light source color data, use color data adjust supplementary lighting sources color, open
Adjust the supplementary lighting sources after color and carry out light filling, and by camera collection image.According to the face of light source during owing to gathering image
Color has carried out light filling by supplementary lighting sources, such that it is able to improve the shooting effect of image.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below by use required in embodiment
Accompanying drawing is briefly described, it should be apparent that, the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the distant schematic diagram between a kind of terminal and the subject that the embodiment of the present invention provides；
Fig. 2 is the schematic diagram close together between a kind of terminal and the subject that the embodiment of the present invention provides；
Fig. 3 is the schematic diagram of color sensor and the curve of spectrum；
Fig. 4 is the schematic flow sheet of a kind of photographic method that the embodiment of the present invention provides；
Fig. 5 is the structural representation of a kind of terminal that the embodiment of the present invention provides；
Fig. 6 is the structural representation of another kind of terminal disclosed in the embodiment of the present invention；
Fig. 7 is the structural representation of the embodiment of the present invention another terminal disclosed.
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 only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of photographic method and terminal, for improving the shooting effect of image.Enter individually below
Row describes in detail.
In order to be more fully understood that a kind of photographic method and terminal that the embodiment of the present invention provides, the most first the present invention is implemented
The application scenarios of example is described.Being provided with the terminal of photographic head, the color of the flash lamp when taking pictures is changeless, no
The color of flash lamp can be changed along with the difference of environmental colors.Owing to always mending with fixing color during taking pictures
Light, therefore, the light filling effect of flash lamp is not fine in some cases.Such as: gather under the black silk lamp source that brightness is faint
During image, owing to ambient light is warm colour light source, but flash lamp still uses cool colour light to carry out light filling, so that the color of image gathered becomes
Light.Visible, the shooting effect of image can be improved according to the color of the color adjustment flash lamp of environment light source, but in environment light source
Some environment light source is relatively big on the impact of image acquisition, such as: be radiated at the light source in subject front, and some environment light source
Impact on image acquisition is less, such as: be radiated at the light source at the subject back side.Therefore, it can right in environment light source
The light source that the impact of image acquisition is bigger is referred to as principal light source, and the light source that will be radiated at subject front is referred to as main
Want light source, environment light source can will be referred to as secondary light source to the light source that the impact of image acquisition is less, will be radiated at and be clapped
The light source taking the photograph the object back side is referred to as secondary light source.Owing to principal light source is on bigger by the impact of image acquisition, it is seen then that can basis
The color data of principal light source adjusts the color of flash lamp (i.e. supplementary lighting sources).But, photographic head place terminal and subject
Distance between body is different, and the light source being radiated at subject front is different, and referring to Fig. 1, Fig. 1 is that the embodiment of the present invention carries
A kind of distant schematic diagram between terminal and the subject of confession, as it is shown in figure 1, when terminal and subject it
Between distant time, being radiated at the light source in subject front is to be in the light source of the same side with subject；Please join
Read the schematic diagram close together between a kind of terminal and the subject that Fig. 2, Fig. 2 are embodiment of the present invention offers, such as Fig. 2
Shown in, during close together between photographic head and terminal, the light source being radiated at subject front is and subject
It is in the light source of opposition side.
Terminal described by the embodiment of the present invention can include being provided with photographic head and color sensor smart mobile phone (as
Android phone, iOS mobile phone, Windows Phone mobile phone etc.), panel computer, palm PC, notebook computer, mobile mutually
Networked devices (MID, Mobile Internet Devices), Wearable or aircraft etc., above-mentioned terminal is only citing,
And it is non exhaustive, including but not limited to above-mentioned terminal.
Color sensor is generally made up of the luminous point converting unit of tetra-passages of RGBW, and the spectral response characteristic of R, G, B divides
Not close to three kinds of taper photoreceptor cell，photosensory cell L of human eye retina, the spectral response characteristic of S, M.The spectral response characteristic of W channel is close
Human eye regards the spectral response characteristic of amphiblestroid rod photoreceptor cell.Referring to Fig. 3, Fig. 3 is color sensor and the curve of spectrum
Schematic diagram.Light diffusing sheet shown in Fig. 3 is by means chemically or physically, utilizes light to be expert in track and runs into two foldings
When penetrating the different medium of rate (density), reflect, reflect and the physical phenomenon of scattering, by lucite
(polymethyl methacrylate, PMMA), shellproof glue (polycarbonates, PC), polystyrene
The Substrate basis such as (polystryrene, PS), polypropylene (polypropylene, PP) adds inorganic or organic light diffusing agent,
Or adjust light by the array of the micro-feature structure of substrate surface, make the refraction of light generation different directions, reflect and dissipate
Penetrate, thus change the course of light, it is achieved incident illumination fully dissipates color and produces, with this, the effect that optics spreads.
In the embodiment of the present invention, light source can be different types of natural light, such as: different weather, different time, difference
Season, different longitude and latitude just to sunlight with back to the light source of sunlight or moonlight.Light source can also be: different types of artificial light
Source, such as: fluorescent lamp, electric filament lamp, candle light, high voltage mercury lamp, sodium vapor lamp, LED, TL84 lamp, A radiant, uviol lamp, D65 light source,
Street lamp, pocket lamp etc..Light source can be also other light sources, such as: the light source of Lampyridea formation, the light source of luminescent powder formation, night
Light source that jewel is formed etc..
Refer to the schematic flow sheet that Fig. 4, Fig. 4 are a kind of photographic methods that the embodiment of the present invention provides.Wherein, this is taken pictures
Method is applicable to be provided with the terminal of photographic head and color sensor.As shown in Figure 4, this photographic method can include following step
Suddenly.
401, the distance between measuring terminals and subject.
In the present embodiment, when user needs to shoot photo, video by the photographic head in terminal, user can pass through a little
Hit preset icon, click on the operation such as predeterminable area, pressing programmable button to terminal input for the startup starting terminal camera
Instruction, terminal detects this enabled instruction afterwards, will start photographic head.
In the present embodiment, after photographic head starts, or while photographic head startup, by measuring terminals and subject
Between distance, can directly be measured by range sensor, such as laser range sensor etc..Can also be according to photographic head
Focusing information determine, i.e. by camera collection preview image, the destination object that detection user is selected from preview image, right
Destination object is focused, and adjusts the position of the built-in motor of photographic head, obtains motor destination object when diverse location corresponding
Contrast, from the contrast obtained, choose the contrast of maximum, obtain the image distance that maximum contrast is corresponding, according to image distance
Calculating the object distance between destination object and camera lens, image distance is the distance between camera lens and the sensor of photographic head.Can also pass through
Camera collection the first image and the second image, the image gathered when the first image is flash lighting, the second image is flash of light
The image gathered when lamp is closed, determines the first image and the luminance difference of the second image, determines terminal according to luminance difference and be taken
Distance between object, distance is inversely proportional to luminance difference.Wherein it is determined that the first image and the luminance difference of the second image, Ke Yishi
Calculate the mean flow rate of all pixels in the first image and the second image the most respectively, determine the first image and the second image afterwards
The difference of mean flow rate；Can also be the luminance difference first calculating and being in same pixel coordinate point in the first image and the second image,
Calculate the meansigma methods of the luminance difference of these pixels afterwards.Between shooting time and the shooting time of the second image of the first image
Time difference less than the first preset value, the first image and the second image can be two images that photographic head is continuously shot, it is possible to
Not to be two images being continuously shot.First image and the second image are two that photographic head gathers for same subject
Open image.
402, according to the distance between terminal and subject, the color data of light source is gathered by color sensor.
In the present embodiment, during due to camera collection image, the color of the light source being radiated on subject is different, institute
The effect gathering image is different, and the distance between terminal from subject is different, is radiated at subject front
Light source is different.Therefore, after measuring the distance between terminal and subject, can be according to terminal and subject
Between distance, select the color data of the light source that suitable color sensor collection is radiated on subject.
In the present embodiment, when being provided with at least two color sensor in terminal, if photographic head and subject
Between distance meet first pre-conditioned, i.e. distance between photographic head and subject is preset more than or equal to second
Value, then gather the number of colours of light source by the color sensor that acquisition range is least partially overlapped with the coverage of photographic head
According to；If it is pre-conditioned, i.e. between photographic head and subject that the distance between photographic head and subject meets second
Distance less than or equal to the second preset value, then sensed by the color that acquisition range is separate with the coverage of photographic head
Device gathers the color data of light source.Such as: when using post-positioned pick-up head to gather image, if between terminal and subject
Close together, then use be arranged on terminal front side (i.e. face, screen place) color sensor gather light source color data；
If distant between terminal and subject, then use and be arranged on the terminal back side (i.e. face, post-positioned pick-up head place)
Color sensor gathers the color data of light source.
In the present embodiment, when being only provided with one in terminal and can regulate the color sensor gathering direction, if taken the photograph
As the distance between head and subject meets first pre-conditioned, i.e. distance between photographic head and subject is more than
Or during equal to the second preset value, then adjust the collection direction of color sensor, make collection direction and the photographic head of color sensor
Shooting direction identical, use afterwards to adjust and gather the color sensor behind direction and gather the color data of light source；If shooting
Distance between head and subject meets second pre-conditioned, i.e. the distance between photographic head and subject less than or
Equal to the second preset value, then adjust the collection direction of color sensor, make the bat gathering direction and photographic head of color sensor
Take the photograph in opposite direction, use the color data adjusting the color sensor collection light source after gathering direction afterwards.Such as: after using
When putting camera collection image, if close together between terminal and subject, then adjust the collection of color sensor
Direction, the collection direction making color sensor is terminal front side (i.e. face, screen place) direction, place, i.e. with post-positioned pick-up head
Gather in opposite direction；If distant between terminal and subject, then adjust the collection direction of color sensor, make
The collection direction of color sensor is the terminal back side (i.e. face, post-positioned pick-up head place) direction, place, i.e. with the adopting of post-positioned pick-up head
Collection direction is identical.
In the present embodiment, in order to be collected the color data of light source as much as possible by color sensor, can be in face
Colour sensor surface covers diffusion material, in order to increases color sensor and gathers the angle of visual field (the Forward Observer of light source
Vehicle, FOV) so that color sensor can collect the light that incident angle is bigger, and make each optoelectronic induction electricity
Light intensity and spectrum that road senses are closer to.Additionally, due to diffusion, the intensity in the direction of measurement weakens,
It is not readily susceptible in environment the impact of the bright-coloured object in local, it is possible to measure the color data of light source in environment more accurately.Additionally,
In order to be collected the color data of light source as much as possible by color sensor, the FOV of color sensor is greater than photographic head
FOV.
403, the color data using light source adjusts the color of supplementary lighting sources.
In the present embodiment, collected the color data of light source by color sensor after, it is possible to use the color of light source
The color of data point reuse supplementary lighting sources, can be the color adjusting supplementary lighting sources, make color and the light of the supplementary lighting sources after adjustment
Misalignment between the color that the color data in source is corresponding is less than the 3rd preset value.
In the present embodiment, misalignment can be the deviation value of color temperature value, it is also possible to for the Euclidean distance of chromaticity vector, go back
It can be misalignment definition △ E (Ddelta-E) of view-based access control model neuropsychology model.Supplementary lighting sources is positioned at photographic head
The same face of terminal, supplementary lighting sources can be the screen of flash lamp or terminal, when photographic head is post-positioned pick-up head, supplementary lighting sources
Can be flash lamp, when photographic head is front-facing camera, supplementary lighting sources can be flash lamp, in order to reduce the number of supplementary lighting sources
Amount, supplementary lighting sources can also be the screen of terminal.Wherein, △ E is in uniform color sense space, the survey of human eye sensation aberration
Examination unit, as △ E=1, human eye can feel the conversion of color, and the accuracy of color rendition can be quantified as one by Δ E
Individual numerical value, it can reflect exactly display performance color accuracy, therefore, its numerical value is the smaller the better, the highest theory of mark
Light colour coloured silk gets over distortion.When Δ E value is between 1.6-3.2, human eye substantially can not be identified the difference of color；Δ E value is at 3.2-
Between 6.5, the personage through professional training can distinguish that they are different, but ordinary people does not observes difference therein；Δ E value
Time between 6.5-13, color difference can differentiate, but tone itself is the most identical；When Δ E value is between 13-25, can
To determine the being performance of different tones, it is possible to pick out the subordinate of color；When Δ E value is more than 25, just represent is other one
Plant color.
In the present embodiment, the color of supplementary lighting sources, Ke Yicong in terminal can be adjusted in advance for each color of light source
The color of these supplementary lighting sources is chosen the color of the best supplementary lighting sources of the effect of the image making camera collection, and by light source
Corresponding the storing of this color of this color and supplementary lighting sources, it is simple to subsequent calls.Therefore, color sensor is passed through
After collecting the color data of light source, it is also possible to from the corresponding relation of the color of the light source prestored Yu the color of flash lamp
In, obtain the color of object of the supplementary lighting sources corresponding to color data of light source, and the color of supplementary lighting sources is adjusted to target face
Color.
404, open the supplementary lighting sources after adjusting color and carry out light filling.
In the present embodiment, after using the color data of light source to adjust the color of supplementary lighting sources, after unlatching is adjusted color
Supplementary lighting sources be that photographic head carries out light filling.Wherein, open the supplementary lighting sources after adjusting color, can be according to the face after adjusting
Color generates current parameters, for the electric current that supplementary lighting sources input current parameter is corresponding, makes supplementary lighting sources produce corresponding color.
405, by camera collection image.
In the present embodiment, terminal can be while supplementary lighting sources starts, by camera collection image；Can also be
After supplementary lighting sources starts, by camera collection image；Supplementary lighting sources can also be to start to gather image at photographic head, but not
Start before exposure, as long as supplementary lighting sources works when ensureing photographic head exposure.
In the photographic method described by Fig. 4, the distance between measuring terminals and subject, according to terminal with clapped
Take the photograph the distance between object and gathered the color data of light source by color sensor, use color data to adjust the face of supplementary lighting sources
Color, opens the supplementary lighting sources after adjusting color and carries out light filling, and by camera collection image.Due to gather image time according to light
The color in source has carried out light filling by supplementary lighting sources, such that it is able to improve the shooting effect of image.
Refer to the structural representation that Fig. 5, Fig. 5 are a kind of terminals that the embodiment of the present invention provides.Wherein, this terminal is permissible
For being provided with the mobile phone of photographic head and color sensor, panel computer etc..As it is shown in figure 5, this terminal may include that
Measuring unit 501, for the distance between measuring terminals and subject；
First collecting unit 502, the distance between terminal and the subject measured according to measuring unit 501,
The color data of light source is gathered by color sensor；
First adjustment unit 503, the color data for using the first collecting unit 502 to gather adjusts the face of supplementary lighting sources
Color；
Light filling unit 504, carries out light filling for opening the supplementary lighting sources after the first adjustment unit 503 adjusts color；
Second collecting unit 505, for by camera collection image.
Specifically, the second collecting unit 505, in the case of light filling unit 504 carries out light filling, adopted by photographic head
Collection image.
In the terminal described by Fig. 5, the distance between measuring terminals and subject, according to terminal and subject
Distance between body gathers the color data of light source by color sensor, uses color data to adjust the color of supplementary lighting sources,
Open the supplementary lighting sources after adjusting color and carry out light filling, and by camera collection image.Due to gather image time according to light source
Color carried out light filling by supplementary lighting sources, such that it is able to improve image shooting effect.
Referring to Fig. 6, Fig. 6 is the structural representation of another kind of terminal disclosed in the embodiment of the present invention.Wherein, this terminal can
Think and be provided with the mobile phone of photographic head and color sensor, panel computer etc..Wherein, the terminal shown in Fig. 6 is as shown in Figure 5
Terminal optimized obtain, wherein:
First adjustment unit 503, specifically for adjusting the color of flash lamp, makes color and the light of the supplementary lighting sources after adjustment
Misalignment between the color that the color data in source is corresponding is less than preset value, and misalignment can be deviation value or the color of color temperature value
The Euclidean distance of product vector.
As a kind of possible embodiment, the first adjustment unit 503 may include that
Acquiring unit 5031, the corresponding relation of the color being used for the color from the light source prestored and supplementary lighting sources,
Obtain the color of object of supplementary lighting sources corresponding to the color data of light source that the first collecting unit 502 gathers；
Second adjustment unit 5032, for being adjusted to the target face that acquiring unit 5031 obtains by the color of supplementary lighting sources
Color.
As a kind of possible embodiment, measuring unit 501 may include that
3rd collecting unit 5011, for by camera collection the first image and the second image, the first image is light filling
The image gathered during light source light filling, the second image is the image gathered during supplementary lighting sources closedown；
Determine unit 5012, for determining the first image and the luminance difference of the second image of the 3rd collecting unit 5011 collection
Absolute value, to obtain differential image；
Determine unit 5012, be additionally operable to the distance determining between terminal and subject according to differential image, terminal with
Distance between subject is inversely proportional to the brightness of differential image.
As a kind of possible embodiment, when being provided with at least two color sensor in terminal, first gathers list
Unit 502 specifically for:
If it is pre-conditioned, then by the first color sensor collection that the distance between terminal and subject meets first
The color data of light source, the acquisition range of the first color sensor is least partially overlapped with the coverage of photographic head；Or
If it is pre-conditioned, then by the second color sensor collection that the distance between terminal and subject meets second
The color data of light source, the acquisition range of the second color sensor is separate with the coverage of photographic head.
As a kind of possible embodiment, when being only provided with a color sensing that can regulate collection direction in terminal
During device, the first collecting unit 502 specifically for:
If it is pre-conditioned, then by the collection direction of color sensor that the distance between terminal and subject meets first
It is adjusted to the shooting direction of photographic head, and gathers the color data of light source by adjusting the color sensor after gathering direction；Or
Person
If it is pre-conditioned, then by the collection direction of color sensor that the distance between terminal and subject meets second
It is adjusted to the direction contrary with the shooting direction of photographic head, and gathers light source by adjusting the color sensor after gathering direction
Color data.
In the terminal described by Fig. 6, the distance between measuring terminals and subject, according to terminal and subject
Distance between body gathers the color data of light source by color sensor, uses color data to adjust the color of supplementary lighting sources,
Open the supplementary lighting sources after adjusting color and carry out light filling, and by camera collection image.Due to gather image time according to light source
Color carried out light filling by supplementary lighting sources, such that it is able to improve image shooting effect.
Refer to the structural representation that Fig. 7, Fig. 7 are another terminals that the embodiment of the present invention provides.Wherein, this terminal can
Think and be provided with the mobile phone of photographic head and color sensor, panel computer etc..As it is shown in fig. 7, this terminal may include that at least one
Individual processor 701, such as CPU, memorizer 702, photographic head 703, color sensor 704, supplementary lighting sources 705 and at least one lead to
Letter bus 706.Memorizer 702 can be high-speed RAM memorizer, it is also possible to be non-labile memorizer (non-volatile
Memory), for example, at least one disk memory.Alternatively, memorizer 702 can also is that at least one is located remotely from aforementioned place
The storage device of reason device 701.Wherein:
Communication bus 706, for realizing the connection communication between these assemblies；
In memorizer 702, storage has batch processing code, and processor 701 is for calling the program of storage in memorizer 702
Code operates below performing:
Start photographic head 703；
Distance between measuring terminals and subject；
Color sensor 704, for according to the distance between terminal and subject, gathering the color data of light source also
It is sent to processor 701；
Processor 701 is additionally operable to call below the program code execution of storage in memorizer 702 and operates:
The color data using light source adjusts the color of supplementary lighting sources 705, and supplementary lighting sources 705 and photographic head 703 are positioned at end
The same face of end；
Start the supplementary lighting sources 705 after adjusting color；
Supplementary lighting sources 705, for carrying out light filling to photographic head 703；
Photographic head 703, in the case of supplementary lighting sources 705 light filling, gathers image and is sent to processor 701.
As a kind of possible embodiment, processor 701 uses the color data of light source to adjust the face of supplementary lighting sources 705
The mode of color is:
Adjusting the color of supplementary lighting sources 705, the color making the supplementary lighting sources after adjustment 705 is corresponding with the color data of light source
Color between misalignment less than preset value, misalignment is deviation value or the Euclidean distance of chromaticity vector of color temperature value.
As a kind of possible embodiment, processor 701 uses the color data of light source to adjust the face of supplementary lighting sources 705
The mode of color is:
From the color of the light source the prestored corresponding relation with the color of supplementary lighting sources 705, obtain the color of light source
The color of object of the supplementary lighting sources 705 that data are corresponding；
The color of supplementary lighting sources 705 is adjusted to color of object.
As a kind of possible embodiment, supplementary lighting sources 705 can be the screen of flash lamp or terminal.
As a kind of possible embodiment, the angle of visual field of color sensor is more than the angle of visual field of photographic head.
As a kind of possible embodiment, color sensor surface is coated with diffusion material.
As a kind of possible embodiment, the distance between processor 701 measuring terminals and subject can be wrapped
Include:
By camera collection the first image and the second image, the figure gathered when the first image is supplementary lighting sources 705 light filling
Picture, the second image is the image that supplementary lighting sources 705 gathers when closing；
Determine the absolute value of the luminance difference of the first image and the second image, to obtain differential image；
The distance between terminal and subject is determined, the distance between terminal and subject according to differential image
Brightness with differential image is inversely proportional to.
As a kind of possible embodiment, when being provided with at least two color sensor in terminal, color sensor
704 include according to the distance between terminal and subject, the color data gathering light source:
If the distance between terminal and subject meets first pre-conditioned, then the first color sensor gathers light source
Color data, the acquisition range of the first color sensor is least partially overlapped with the coverage of photographic head；Or
If the distance between terminal and subject meets second pre-conditioned, then the second color sensor gathers light source
Color data, the acquisition range of the second color sensor is separate with the coverage of photographic head.
As a kind of possible embodiment, when being only provided with a color sensing that can regulate collection direction in terminal
During device, color sensor 704 includes according to the distance between terminal and subject, the color data gathering light source:
If the distance between terminal and subject meets first pre-conditioned, then processor 701 is by color sensor
The direction that gathers be adjusted to the shooting direction of photographic head, adjust the color sensor after gathering direction and gather the number of colours of light source
According to；Or
If the distance between terminal and subject meets second pre-conditioned, then processor 701 is by color sensor
The direction that gathers be adjusted to the direction contrary with the shooting direction of photographic head, adjust the color sensor after gathering direction and gather light
The color data in source.
Wherein, step 401,403 can perform with the processor 701 in terminal and memorizer 702, step 402 can be whole
Color sensor 704 in end performs, and step 404 can perform with the supplementary lighting sources 705 in terminal, and step 405 can be whole
Photographic head 703 in end performs.
Wherein, measuring unit 501 and the first adjustment unit 503 can be by the processor 701 in terminal and memorizeies 702
Realizing, the first collecting unit 502 can be realized by the color sensor 704 in terminal, and light filling unit 504 can be by terminal
Supplementary lighting sources 705 realize, the second collecting unit 505 can be realized by the photographic head 703 in terminal.
Wherein, photographic head 703 can be front-facing camera, it is also possible to for post-positioned pick-up head, it is also possible to be arranged on terminal
Other faces.
In the terminal described by Fig. 7, the distance between measuring terminals and subject, according to terminal and subject
Distance between body gathers the color data of light source by color sensor, uses color data to adjust the color of supplementary lighting sources,
Open the supplementary lighting sources after adjusting color and carry out light filling, and by camera collection image.Due to gather image time according to light source
Color carried out light filling by supplementary lighting sources, such that it is able to improve image shooting effect.
Alternatively, terminal can be aircraft, and such as unmanned plane, the structure of aircraft can be identical with the structure shown in Fig. 7.
Wherein, photographic head can be arranged on below aircraft, and color sensor can be arranged on above aircraft, it is also possible to arranges
Side at aircraft.
The sequence of steps of the method for the embodiment of the present invention can be adjusted according to actual needs, merges or delete.This
The unit of the terminal of bright embodiment can carry out integrating according to actual needs, Further Division or delete.
The unit of the embodiment of the present invention, can be with universal integrated circuit (such as central processor CPU), or with special integrated electricity
(ASIC) realizes on road.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completing instructing relevant hardware by program, this program can be stored in a computer-readable recording medium, storage
Medium may include that flash disk, read only memory (Read-Only Memory, ROM), random access device (Random Access
Memory, RAM), disk or CD etc..
The photographic method and the terminal that there is provided the embodiment of the present invention above are described in detail, used herein specifically
Principle and the embodiment of the present invention are set forth by individual example, and the explanation of above example is only intended to help and understands the present invention
Method and core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, it is being embodied as
All will change in mode and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a photographic method, it is characterised in that including:
Distance between measuring terminals and subject；
According to described distance, gathered the color data of light source by color sensor；
Described color data is used to adjust the color of supplementary lighting sources；
Open the described supplementary lighting sources after adjusting color and carry out light filling；
By camera collection image.
Method the most according to claim 1, it is characterised in that the described color data of described use adjusts the face of supplementary lighting sources
Color includes:
Adjust the color of supplementary lighting sources, make between the color of the described supplementary lighting sources after the adjustment color corresponding with described color data
Misalignment less than preset value, described misalignment is deviation value or the Euclidean distance of chromaticity vector of color temperature value.
Method the most according to claim 1, it is characterised in that the described color data of described use adjusts the face of supplementary lighting sources
Color includes:
From the color of the light source the prestored corresponding relation with the color of supplementary lighting sources, obtain described color data corresponding
The color of object of supplementary lighting sources；
The color of described supplementary lighting sources is adjusted to described color of object.
4. according to the method described in any one of claim 1-3, it is characterised in that between described measuring terminals and subject
Distance include:
By camera collection the first image and the second image, the image of collection when described first image is supplementary lighting sources light filling,
Described second image is the image gathered during the closedown of described supplementary lighting sources；
Determine the absolute value of the luminance difference of described first image and described second image, to obtain differential image；
Determining the distance between terminal and subject according to described differential image, described distance is bright with described differential image
Degree is inversely proportional to.
5., according to the method described in any one of claim 1-4, it is characterised in that described according to described distance, passed by color
Sensor gathers the color data of light source and includes:
If described distance meets first pre-conditioned, then gathered the color data of light source by the first color sensor, described the
The acquisition range of one color sensor is least partially overlapped with the coverage of described photographic head；Or
If described distance meets second pre-conditioned, then gathered the color data of light source by the second color sensor, described the
The acquisition range of second colors sensor is separate with the coverage of described photographic head.
6. a terminal, it is characterised in that including:
Measuring unit, for measuring the distance between described terminal and subject；
First collecting unit, for the distance measured according to described measuring unit, gathers the color of light source by color sensor
Data；
First adjustment unit, the color data for using described first collecting unit to gather adjusts the color of supplementary lighting sources；
Light filling unit, carries out light filling for opening the described supplementary lighting sources after described first adjustment unit adjusts color；
Second collecting unit, for by camera collection image.
Terminal the most according to claim 6, it is characterised in that described first adjustment unit, specifically for adjusting light filling light
The color in source, makes the misalignment between the color of the described supplementary lighting sources after the adjustment color corresponding with described color data be less than
Preset value, described misalignment is deviation value or the Euclidean distance of chromaticity vector of color temperature value.
Terminal the most according to claim 6, it is characterised in that described first adjustment unit includes:
Acquiring unit, is used for from the color of the light source prestored with the corresponding relation of the color of supplementary lighting sources, obtains described
The color of object of supplementary lighting sources corresponding to color data that the first collecting unit gathers；
Second adjustment unit, for being adjusted to the color of object that described acquiring unit obtains by the color of described supplementary lighting sources.
9. according to the terminal described in any one of claim 6-8, it is characterised in that described measuring unit includes:
3rd collecting unit, for by camera collection the first image and the second image, described first image is supplementary lighting sources
The image gathered during light filling, described second image is the image gathered during the closedown of described supplementary lighting sources；
Determine unit, for determining the first image and luminance difference exhausted of described second image that described 3rd collecting unit gathers
To value, to obtain differential image；
Described determine unit, be additionally operable to the distance determining between terminal and subject according to described differential image, described away from
It is inversely proportional to from the brightness with described differential image.
10. according to the terminal described in any one of claim 6-9, it is characterised in that described first collecting unit specifically for:
If described distance meets first pre-conditioned, then gathered the color data of light source by the first color sensor, described the
The acquisition range of one color sensor is least partially overlapped with the coverage of described photographic head；Or
If described distance meets second pre-conditioned, then gathered the color data of light source by the second color sensor, described the
The acquisition range of second colors sensor is separate with the coverage of described photographic head.
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| CN201610639850.5A CN106210556A (en) | 2016-08-05 | 2016-08-05 | A kind of photographic method and terminal |
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| CN201610639850.5A CN106210556A (en) | 2016-08-05 | 2016-08-05 | A kind of photographic method and terminal |
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| CN112911771A (en) * | 2021-02-06 | 2021-06-04 | 北京优彩科技有限公司 | Ultraviolet light supplement lamp brightness control method and mobile phone |
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Application publication date: 20161207 |