CN104853109B - A kind of method and camera terminal for automatically adjusting flash of light - Google Patents
A kind of method and camera terminal for automatically adjusting flash of light Download PDFInfo
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- CN104853109B CN104853109B CN201510217867.7A CN201510217867A CN104853109B CN 104853109 B CN104853109 B CN 104853109B CN 201510217867 A CN201510217867 A CN 201510217867A CN 104853109 B CN104853109 B CN 104853109B
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Abstract
The embodiment of the invention discloses it is a kind of automatically adjust flash of light method, including：Obtain the luminance information of the distance between camera terminal and target to be captured object information and current environment；According to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information；Flash of light shooting is carried out to the target to be captured object according to the flashing bright angle value.The embodiment of the invention also discloses a kind of camera terminals.Using the present invention, the flashing bright angle value of flash of light can be automatically adjusted, to carry out accurate light filling to target to be captured object, promotes shooting effect.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of methods and camera terminal for automatically adjusting flash of light.
Background technology
In photography, glisten for the illumination compensation carried out under low light environment, to ensure to shoot in the case that dim
The photo that picture clearly becomes clear.Wherein, to make the apparent under low light environment distinguishable, it is necessary to which flash of light has accurate flashing bright
Angle value is set.
But in existing camera terminal during flash of light shooting is carried out, the brightness value of flash of light is mostly fixed setting
Numerical value, this so that, when the distance between target to be captured object and camera terminal are closer, flash lighting is too bright to be caused
Target to be captured object overexposure, when the distance between target to be captured object and camera terminal are distant, flash lighting is too weak
Target to be captured object is caused to owe to expose so that target to be captured object burnt hair.This results in the target to be captured object in image
It exposes incorrect so that terminal user can not obtain satisfied photo.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, provides a kind of method for automatically adjusting flash of light and shooting eventually
End.The flashing bright angle value of flash of light can be automatically adjusted, to carry out accurate light filling to target to be captured object, promotes shooting effect.
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides it is a kind of automatically adjust flash of light method, including：
Obtain the luminance information of the distance between camera terminal and target to be captured object information and current environment；
According to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information；
Flash of light shooting is carried out to the target to be captured object according to the flashing bright angle value.
Wherein, the brightness letter for obtaining the distance between camera terminal and target to be captured object information and current environment
Breath includes：
The image acquisition luminance information currently gathered according to camera, using the luminance information as the current environment
Luminance information.
Wherein, the brightness letter for obtaining the distance between camera terminal and target to be captured object information and current environment
Breath includes：
Between the image acquisition camera terminal and the target to be captured object that are currently gathered according to the camera away from
From information, alternatively,
Start distance-measuring device measurement the distance between camera terminal and the target to be captured object information.
Wherein, it is described according to presetting rule, with reference to the range information and the luminance information obtain flashing bright angle value it
Before include：
Between correspondence and flashing bright angle value and luminance information between preset flashing bright angle value and range information
The rule of correspondence；
It is described according to presetting rule, obtaining flashing bright angle value with reference to the range information and the luminance information includes：
According to the correspondence between the flashing bright angle value and range information and flashing bright angle value and luminance information it
Between correspondence, obtain the range information and the flashing bright angle value corresponding to luminance information.
Wherein, it is described according to the flashing bright angle value to above-mentioned photographic subjects object carry out flash of light shooting include：
The brightness value of flash lamp is adjusted to the flashing bright angle value；
Flash of light shooting is carried out to the target to be captured object.
Correspondingly, the embodiment of the present invention additionally provides a kind of camera terminal, including：
First acquisition unit, for obtaining the distance between camera terminal and target to be captured object information and current environment
Luminance information；
Second acquisition unit, for according to presetting rule, flash of light to be obtained with reference to the range information and the luminance information
Brightness value；
Shooting unit, for carrying out flash of light shooting to the target to be captured object according to the flashing bright angle value.
Wherein, the first acquisition unit is specifically used for：
The image acquisition luminance information currently gathered according to camera, using the luminance information as the current environment
Luminance information.
Wherein, the first acquisition unit includes：
Subelement is obtained, for image acquisition camera terminal and the mesh to be captured currently gathered according to the camera
Mark the distance between object information；
Subelement is measured, for starting between distance-measuring device measurement camera terminal and the target to be captured object
Range information.
Wherein, the terminal includes：
Preset unit, for the correspondence between preset flashing bright angle value and range information and flashing bright angle value with it is bright
Spend the rule of the correspondence between information；
The second acquisition unit is specifically used for：
According to the correspondence between the flashing bright angle value and range information and flashing bright angle value and luminance information it
Between correspondence, obtain the range information and the flashing bright angle value corresponding to luminance information.
Wherein, the shooting unit includes：
Regulator unit, for adjusting the brightness value of flash lamp to the flashing bright angle value；
Subelement is shot, for carrying out flash of light shooting to the target to be captured object.
Implement the embodiment of the present invention, have the advantages that：
The embodiment of the present invention is by obtaining the distance between camera terminal and target to be captured object information and current environment
Luminance information, according to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information, according to described
Flashing bright angle value carries out flash of light shooting to the target to be captured object so that camera terminal according to range information and can work as front ring
The luminance information in border determines the flashing bright angle value of flash lamp, so that camera terminal can automatically adjust the flash luminance of flash of light
Value to carry out accurate light filling to target to be captured object, promotes shooting effect.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of first embodiment flow diagram of method for surveying light provided in an embodiment of the present invention；
Fig. 2 is a kind of first embodiment structure chart of terminal provided in an embodiment of the present invention；
Fig. 3 is a kind of second embodiment structure chart of terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment belongs to the scope of protection of the invention.
Camera terminal described in the embodiment of the present invention may include：Mobile phone, tablet computer, palm PC and single-lens anti-
Light camera etc. has shooting function or can carry out the terminal of rotary taking, wherein, above-mentioned camera terminal is only citing rather than poor
It lifts, including but not limited to above-mentioned camera terminal.
S100 obtains the luminance information of the distance between camera terminal and target to be captured object information and current environment.
In embodiments of the present invention, when camera terminal, which receives, starts shooting instruction, device can first determine whether to work as front ring
Whether border, which needs to open to glisten, carries out flash of light shooting, i.e., camera terminal judges whether to meet flash of light unlocking condition.Wherein, camera terminal
Judge whether that it can be the luminance information that camera terminal obtains current environment to meet flash of light unlocking condition, judge the bright of current environment
Spend whether information is less than default threshold value, when the luminance information of current environment is less than default threshold value, then camera terminal can be true
It is fixed to meet flash of light unlocking condition.When the luminance information of current environment is greater than or equal to default threshold value, then camera terminal can be true
Surely flash of light unlocking condition is unsatisfactory for, camera terminal is shot without opening or cleaning flash lamp using natural light.
In embodiments of the present invention, when camera terminal judges to meet flash of light unlocking condition, camera terminal can obtain shooting
The distance between terminal and target to be captured object information, wherein, range information can be distance value.Camera terminal can be according to taking the photograph
The distance between the image acquisition camera terminal and target to be captured object that are currently gathered as head information.Specifically, camera terminal
It can be in the image for the image lock target to be captured object that camera currently gathers.Specifically, camera terminal locks mesh to be captured
Marking the image of object can be：Camera terminal can carry out target to be captured object to the acquisition image for the present frame that camera collects
Physical examination is surveyed.Wherein, target to be captured object may include：Face, plant, personage etc..Camera terminal can be according to required shooting pair
As preset at least one target to be captured object detecting method, it may include：Method for detecting human face, plnat monitoring method or personage
Detection method etc..Camera terminal can carry out target to be captured object detection according to required on acquisition image, obtain mesh to be captured
Subject image is marked, so as to lock target to be captured subject image；Alternatively, camera terminal can also receive user by Touch Screen into
Row clicks on the operational order of generation, and target to be captured subject image is locked according to the operational order, such as：User can be in shooting eventually
The camera acquired image of camera terminal is checked on the display screen at end, and is being shown according to the target object of required shooting
The image of target to be captured object is clicked on screen, so that camera terminal is locked according to operational order input by user
Determine target to be captured object；Alternatively, camera terminal can also focus, using the object of focusing as target to be captured object.When
After camera terminal locking target to be captured subject image, camera terminal can be obtained according to the target to be captured subject image of locking and treated
The distance between photographic subjects object and camera terminal value.Wherein, camera terminal can calculate the target to be captured object figure of locking
The depth of field of picture, and can be using the depth of field of target to be captured subject image as the distance between target to be captured object and camera terminal
Value, so as to obtain the distance between camera terminal and target to be captured object value.Further, when there is multiple target to be captured objects
During body, the exportable prompting of camera terminal user to be reminded to specify a target to be captured object, is specified when camera terminal acquisition
After target to be captured object, camera terminal can will obtain the distance between the target to be captured object specified value, so as to obtain
The distance between camera terminal and target to be captured object value, alternatively, when there is multiple target to be captured objects, camera terminal can
Multiple corresponding distance values of target to be captured object are calculated, are averaged according to multiple corresponding distance values of target to be captured object
Distance value, using average distance value as the distance between camera terminal and target to be captured object value.Further, camera terminal
Distance-measuring device can also be started to measure the distance between camera terminal and target to be captured object value, such as camera terminal
Start range sensor to measure the distance between camera terminal and target to be captured object value.
In embodiments of the present invention, when camera terminal judges to meet flash of light unlocking condition, camera terminal, which can also obtain, works as
The luminance information of preceding environment.Specifically, camera terminal can be according to the image acquisition luminance information that camera currently gathers, it and will be bright
Information is spent as the luminance information under current environment.Wherein, camera terminal can be in preset gray scale and the luminance information table of comparisons
The luminance information corresponding to the half-tone information of image is obtained, using the luminance information as the luminance information under current environment.Into one
Step, camera terminal can also measure the luminance information of current environment by sensor, such as be surveyed by illumination photometer or photo resistance
Measure the luminance information of current environment.
According to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information by S101.
In embodiments of the present invention, camera terminal can be between preset flashing bright angle value and range information correspondence and
The rule of correspondence between flashing bright angle value and luminance information.When camera terminal gets range information and luminance information
Afterwards, the flashing bright angle value that camera terminal can be according to corresponding to above preset rule obtains range information and luminance information.Wherein,
Correspondence can be between the preset flashing bright angle value of camera terminal and range information：Developer waits to clap by experiment test
It takes the photograph object to be shot under different distances from camera terminal, determines that different distances corresponds to optimal sudden strain of a muscle according to shooting effect
Brightness values, and record the optimal flashing bright angle value, so as to developer can be established according to test result flashing bright angle value with
The correspondence is simultaneously preset in camera terminal by correspondence between range information.Further, the preset sudden strain of a muscle of camera terminal
Correspondence between brightness values and luminance information can be：Developer is by experiment test camera terminal in shooting environmental
It is shot under different luminance informations, determines that different luminance informations corresponds to optimal flashing bright angle value according to shooting effect,
And record the optimal flashing bright angle value, so as to developer can be established according to test result flashing bright angle value and luminance information it
Between correspondence and the correspondence is preset in camera terminal.
Further, camera terminal can obtain one group according to the correspondence between preset flashing bright angle value and range information
Flash luminance Value Data and camera terminal can be obtained according to the correspondence between preset flashing bright angle value and luminance information
Another group of flash luminance Value Data, camera terminal can analyze this two groups of data, find out two groups of data and include identical data conduct
Flashing bright angle value needed for camera terminal.
Further, camera terminal also can be used preset computational algorithm to the luminance information that is obtained and range information into
Row calculates, and obtains flashing bright angle value.Wherein, preset computational algorithm can according to demand be carried out preset by user.
S102 carries out flash of light shooting according to the flashing bright angle value to the target to be captured object.
In embodiments of the present invention, camera terminal according to the flashing bright angle value got, can adjust the brightness value of flash lamp
To flashing bright angle value so that flash lamp flash of light shooting is carried out according to the flashing bright angle value.Further, camera terminal can also be defeated
Going out includes the prompt message of flashing bright angle value, user to be prompted to carry out the manual brightness for adjusting flash lamp according to the flashing bright angle value
Value.
In embodiments of the present invention, when camera terminal receives shooting instruction, camera terminal is controlled in moment to be dodged
Light lamp is glittering once to carry out flash of light shooting or camera terminal control flash lamp is always on mode and carries out flash of light shooting, glistens at this time
The flash luminance of lamp is the flashing bright angle value of above-mentioned acquisition.
The embodiment of the present invention is by obtaining the distance between camera terminal and target to be captured object information and current environment
Luminance information, according to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information, according to described
Flashing bright angle value carries out flash of light shooting to the target to be captured object so that camera terminal according to range information and can work as front ring
The luminance information in border determines the flashing bright angle value of flash lamp, so that camera terminal can automatically adjust the flash luminance of flash of light
Value to carry out accurate light filling to target to be captured object, promotes shooting effect.
It is a kind of first embodiment structure chart of camera terminal provided in an embodiment of the present invention referring to Fig. 2.The present invention is implemented
Camera terminal described in example, including：
First acquisition unit 100, for obtaining the distance between camera terminal and target to be captured object information and current
The luminance information of environment.
Second acquisition unit 200, for according to presetting rule, obtaining and dodging with reference to the range information and the luminance information
Brightness values.
Shooting unit 300, for carrying out flash of light shooting to the target to be captured object according to the flashing bright angle value.
In embodiments of the present invention, when camera terminal, which receives, starts shooting instruction, device can first determine whether to work as front ring
Whether border, which needs to open to glisten, carries out flash of light shooting, i.e., camera terminal judges whether to meet flash of light unlocking condition.Wherein, camera terminal
Judge whether that it can be the luminance information that camera terminal obtains current environment to meet flash of light unlocking condition, judge the bright of current environment
Spend whether information is less than default threshold value, when the luminance information of current environment is less than default threshold value, then camera terminal can be true
It is fixed to meet flash of light unlocking condition.When the luminance information of current environment is greater than or equal to default threshold value, then camera terminal can be true
Surely flash of light unlocking condition is unsatisfactory for, camera terminal is shot without opening or cleaning flash lamp using natural light.
In embodiments of the present invention, when camera terminal judges to meet flash of light unlocking condition, first acquisition unit 100 can obtain
The distance between camera terminal and target to be captured object information are taken, wherein, range information can be distance value.First obtains list
Member 100 can be according to the distance between the image acquisition camera terminal and target to be captured object that camera currently gathers information.Tool
Body, first acquisition unit 100 can be in the image for the image lock target to be captured object that camera currently gathers.Specifically,
First acquisition unit 100 lock target to be captured object image can be：First acquisition unit 100 can collect camera
Present frame acquisition image carry out target to be captured object detection.Wherein, target to be captured object may include：Face, plant,
Personage etc..Camera terminal can be according to the required preset at least one target to be captured object detecting method of reference object, it may include：
Method for detecting human face, plnat monitoring method or human detection method etc..First acquisition unit 100 can be schemed according to required in acquisition
As upper progress target to be captured object detection, target to be captured subject image is obtained, so as to lock target to be captured subject image；
Alternatively, first acquisition unit 100 can also receive the operational order that user by Touch Screen click on generation, according to the operation
Instruction locking target to be captured subject image, such as:User can check taking the photograph for camera terminal on the display screen of camera terminal
As head acquired image, and according to the target object of required shooting on the display screen to the image of target to be captured object into
Row is clicked on, so that first acquisition unit 100 locks target to be captured object according to operational order input by user；Alternatively,
First acquisition unit 100 can also focus, using the object of focusing as target to be captured object.When first acquisition unit 100
After locking target to be captured subject image, first acquisition unit 100 can be obtained according to the target to be captured subject image of locking and treated
The distance between photographic subjects object and camera terminal value.Wherein, first acquisition unit 100 can calculate the target to be captured of locking
The depth of field of subject image, and can be using the depth of field of target to be captured subject image as between target to be captured object and camera terminal
Distance value, so as to obtain the distance between camera terminal and target to be captured object value.Further, it is multiple to be captured when having
During target object, 100 exportable prompting of first acquisition unit, user to be reminded to specify a target to be captured object, when first
After the target to be captured object that the acquisition of acquiring unit 100 is specified, first acquisition unit 100 can will obtain the mesh to be captured with specifying
The distance between object value is marked, so as to obtain the distance between camera terminal and target to be captured object value, alternatively, multiple when having
During target to be captured object, first acquisition unit 100 can calculate multiple corresponding distance values of target to be captured object, according to multiple
The corresponding distance value of target to be captured object obtains average distance value, using average distance value as camera terminal and target to be captured
The distance between object value.Further, first acquisition unit 100 can also start distance-measuring device to measure shooting eventually
End and the distance between target to be captured object value, as camera terminal start range sensor measure camera terminal with it is to be captured
The distance between target object value.
In embodiments of the present invention, when camera terminal judges to meet flash of light unlocking condition, first acquisition unit 100 may be used also
Obtain the luminance information of current environment.Specifically, the image acquisition that first acquisition unit 100 can currently be gathered according to camera is bright
Information is spent, and using luminance information as the luminance information under current environment.Wherein, first acquisition unit 100 can be in preset ash
Degree is with obtaining the luminance information corresponding to the half-tone information of image in the luminance information table of comparisons, using the luminance information as working as front ring
Luminance information under border.Further, first acquisition unit 100 can also measure the brightness letter of current environment by sensor
Breath such as measures the luminance information of current environment by illumination photometer or photo resistance.
In embodiments of the present invention, camera terminal can be between preset flashing bright angle value and range information correspondence and
The rule of correspondence between flashing bright angle value and luminance information.When first acquisition unit 100 gets range information and bright
After spending information, second acquisition unit 200 can be according to the sudden strain of a muscle corresponding to above preset rule acquisition range information and luminance information
Brightness values.Further, second acquisition unit 200 can be according to the correspondence between preset flashing bright angle value and range information
Obtain one group of flash luminance Value Data and second acquisition unit 200 can according to preset flashing bright angle value and luminance information it
Between correspondence obtain another group of flash luminance Value Data, second acquisition unit 200 can analyze this two groups of data, find out two groups
Data include identical data as the flashing bright angle value needed for camera terminal.
Further, second acquisition unit 200 also can be used preset computational algorithm to the luminance information that is obtained and away from
It is calculated from information, obtains flashing bright angle value.Wherein, preset computational algorithm can according to demand be carried out preset by user.
In embodiments of the present invention, shooting unit 300 can adjust the brightness of flash lamp according to the flashing bright angle value got
Value to flashing bright angle value so that flash lamp flash of light shooting is carried out according to the flashing bright angle value.Further, shooting unit 300
The also exportable prompt message for including flashing bright angle value, user to be prompted to carry out adjusting flash lamp manually according to the flashing bright angle value
Brightness value.
In embodiments of the present invention, when shooting unit 300 receives shooting instruction, shooting unit 300 is in moment
Control flash lamp is glittering once to carry out flash of light shooting or shooting unit 300 flash lamp is controlled to be always on mode carrying out flash of light shooting,
The flash luminance of flash lamp is the flashing bright angle value of above-mentioned acquisition at this time.
The embodiment of the present invention is by obtaining the distance between camera terminal and target to be captured object information and current environment
Luminance information, according to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information, according to described
Flashing bright angle value carries out flash of light shooting to the target to be captured object so that camera terminal according to range information and can work as front ring
The luminance information in border determines the flashing bright angle value of flash lamp, so that camera terminal can automatically adjust the flash luminance of flash of light
Value to carry out accurate light filling to target to be captured object, promotes shooting effect.
It is a kind of second embodiment structure chart of camera terminal provided in an embodiment of the present invention referring to Fig. 3.The present invention is implemented
Camera terminal described in example, including：
First acquisition unit 100, for obtaining the distance between camera terminal and target to be captured object information and current
The luminance information of environment.
Second acquisition unit 200, for according to presetting rule, obtaining and dodging with reference to the range information and the luminance information
Brightness values.
Shooting unit 300, for carrying out flash of light shooting to the target to be captured object according to the flashing bright angle value.
Wherein, the camera terminal further includes：
Preset unit 400, for the correspondence and flashing bright angle value between preset flashing bright angle value and range information
The rule of correspondence between luminance information.
In embodiments of the present invention, preset unit 400, correspondence that can be between preset flashing bright angle value and range information
And the rule of the correspondence between flashing bright angle value and luminance information.Wherein, the preset flashing bright angle value of preset unit 400
The rule of correspondence can be between range information：Developer is existed by experiment test object to be shot and camera terminal
It is shot under different distances, determines that different distances corresponds to optimal flashing bright angle value according to shooting effect, and record and be somebody's turn to do
Optimal flashing bright angle value, so as to developer can be established according to test result it is corresponding between flashing bright angle value and range information
The correspondence is simultaneously preset in preset unit 400 by relation.Further, 400 preset flashing bright angle value of preset unit with it is bright
Degree information between correspondence can be：Developer is believed by experiment test camera terminal in the different brightness of shooting environmental
It is shot under breath, determines that different luminance informations corresponds to optimal flashing bright angle value according to shooting effect, and it is optimal to record this
Flashing bright angle value, so as to which developer can establish correspondence between flashing bright angle value and luminance information according to test result
And the correspondence is preset in preset unit 400.
The first acquisition unit 100 is specifically used for：
The image acquisition luminance information currently gathered according to camera, using the luminance information as the current environment
Luminance information.
The first acquisition unit 100 is specifically used for：
Between the image acquisition camera terminal and the target to be captured object that are currently gathered according to the camera away from
From information；
Start distance-measuring device measurement the distance between camera terminal and the target to be captured object information.
The second acquisition unit 200 is specifically used for：
According to the correspondence between the flashing bright angle value and range information and flashing bright angle value and luminance information it
Between correspondence, obtain the range information and the flashing bright angle value corresponding to luminance information.
The shooting unit is specifically used for：
The brightness value of flash lamp is adjusted to the flashing bright angle value；
Flash of light shooting is carried out to the target to be captured object.
In the specific implementation, the specific reality of above-mentioned first acquisition unit 100, second acquisition unit 200 and shooting unit 300
Existing process can be found in the step S100- in the first embodiment of the method for automatic adjustment flash of light provided in an embodiment of the present invention
S102, details are not described herein.
The embodiment of the present invention is by obtaining the distance between camera terminal and target to be captured object information and current environment
Luminance information, according to presetting rule, flashing bright angle value is obtained with reference to the range information and the luminance information, according to described
Flashing bright angle value carries out flash of light shooting to the target to be captured object so that camera terminal according to range information and can work as front ring
The luminance information in border determines the flashing bright angle value of flash lamp, so that camera terminal can automatically adjust the flash luminance of flash of light
Value to carry out accurate light filling to target to be captured object, promotes shooting effect.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent variations made according to the claims of the present invention, it is still within the scope of the present invention.
Claims (6)
- A kind of 1. method for automatically adjusting flash of light, which is characterized in that the described method includes：When detecting that light source changes, at least one shot to object to be shot under different range informations is obtained The corresponding flashing bright angle value of a captured image；The different corresponding flash luminances of range information is determined in the corresponding flashing bright angle value of at least one captured image Value；Establish the correspondence between flashing bright angle value and range information；When camera terminal, which receives, starts shooting instruction, according to the brightness for the image acquisition current environment that camera currently gathers Information, judges whether the luminance information of the current environment is less than default threshold value；When the luminance information for determining current environment is less than default threshold value, is locked in the image currently gathered in camera and wait to clap The image of target object is taken the photograph, the depth of field of the image of the target to be captured object is calculated based on the image currently gathered, and Using the depth of field of the target to be captured subject image as the distance between target to be captured object and camera terminal information；Believed according to the correspondence between preset flashing bright angle value and range information and preset flashing bright angle value with brightness Correspondence between breath obtains the flashing bright angle value corresponding to the luminance information of the range information and the current environment；Flash of light shooting is carried out to the target to be captured object according to the flashing bright angle value.
- 2. the method as described in claim 1, which is characterized in that described according between preset flashing bright angle value and range information Correspondence and preset flashing bright angle value and luminance information between correspondence, obtain the range information and described Include before the flashing bright angle value corresponding to the luminance information of current environment：The rule of correspondence between preset flashing bright angle value and luminance information.
- 3. method as claimed in claim 2, which is characterized in that it is described according to the flashing bright angle value to above-mentioned photographic subjects object Body, which carries out flash of light shooting, to be included：The brightness value of flash lamp is adjusted to the flashing bright angle value；Flash of light shooting is carried out to the target to be captured object.
- 4. a kind of camera terminal, which is characterized in that the terminal includes：First acquisition unit, for obtaining the bright of the distance between camera terminal and target to be captured object information and current environment Spend information,Wherein, the first acquisition unit：When detecting that light source changes, obtain to object to be shot in different distances The corresponding flashing bright angle value of at least one captured image shot under information, it is corresponding at least one captured image The different corresponding flashing bright angle value of range information is determined in flashing bright angle value, is established between flashing bright angle value and range information Correspondence,The first acquisition unit is additionally operable to：When camera terminal, which receives, starts shooting instruction, currently gathered according to camera Image acquisition current environment luminance information, judge the current environment luminance information whether be less than default threshold value；When the luminance information for determining current environment is less than default threshold value, is locked in the image currently gathered in camera and wait to clap The image of target object is taken the photograph, the depth of field of the image of the target to be captured object is calculated based on the image currently gathered, and Using the depth of field of the target to be captured subject image as the distance between target to be captured object and camera terminal information；Second acquisition unit, for according to presetting rule, flash luminance to be obtained with reference to the range information and the luminance information Value,Wherein, the second acquisition unit is used for, according to the correspondence between preset flashing bright angle value and range information with And the correspondence between preset flashing bright angle value and luminance information, obtain the bright of the range information and the current environment Spend the flashing bright angle value corresponding to information；Shooting unit, for carrying out flash of light shooting to the target to be captured object according to the flashing bright angle value.
- 5. terminal as claimed in claim 4, which is characterized in that the terminal includes：Preset unit, for the rule of the correspondence between preset flashing bright angle value and luminance information.
- 6. terminal as claimed in claim 5, which is characterized in that the shooting unit includes：Regulator unit, for adjusting the brightness value of flash lamp to the flashing bright angle value；Subelement is shot, for carrying out flash of light shooting to the target to be captured object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217867.7A CN104853109B (en) | 2015-04-30 | 2015-04-30 | A kind of method and camera terminal for automatically adjusting flash of light |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510217867.7A CN104853109B (en) | 2015-04-30 | 2015-04-30 | A kind of method and camera terminal for automatically adjusting flash of light |
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| Publication Number | Publication Date |
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| CN104853109A CN104853109A (en) | 2015-08-19 |
| CN104853109B true CN104853109B (en) | 2018-05-29 |
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| CN111212228B (en) * | 2020-01-13 | 2021-06-22 | 维沃移动通信有限公司 | Image processing method and electronic device |
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