CN107948539A - A kind of flash lamp control method and terminal - Google Patents
A kind of flash lamp control method and terminal Download PDFInfo
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- CN107948539A CN107948539A CN201711367688.7A CN201711367688A CN107948539A CN 107948539 A CN107948539 A CN 107948539A CN 201711367688 A CN201711367688 A CN 201711367688A CN 107948539 A CN107948539 A CN 107948539A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000003384 imaging method Methods 0.000 claims abstract description 45
- 238000013316 zoning Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001960 triggered effect Effects 0.000 description 14
- 238000012795 verification Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 210000003205 muscle Anatomy 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 4
- 230000002207 retinal effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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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
-
- 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
- H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components
Abstract
The embodiment of the invention discloses a kind of flash lamp control method and terminal, wherein, this method includes：The brightness values for each sub-image area included by image that the imaging region of acquisition terminal is shown；For sub-image area each described, judge the brightness values of the sub-image area whether between default minimum brightness values and default maximum luminance value；If more than default maximum luminance value, the corresponding flash lamp in the sub-image area is controlled to close, wherein, a sub-image area is corresponding with a flash lamp；If less than default minimum brightness values, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value, the target brightness value is the difference between standard exposure value and the brightness values of the sub-image area, and standard exposure value is between default minimum brightness values and default maximum luminance value.Implement the embodiment of the present invention, the shooting effect of terminal can be improved in shooting, effectively improve user and shoot experience.
Description
Technical field
The present invention relates to field of terminal technology, more particularly to a kind of flash lamp control method and terminal.
Background technology
With the rapid development of terminal technology, it is more and more to possess the mobile terminal of shooting function, such as：Digital camera,
Mobile phone, tablet computer etc..It is also configured with addition, possessing most of mobile terminal of shooting function while camera is configured with
One flash lamp, can improve the quality that photo is shot under low light environment by flash lamp.But in practice, it has been found that taken the photograph during shooting
As the bright dark degree of the scenery that is presented in head can have differences, may a part of scenery be under strong light, and another part scape
Thing is under dim light, and when carrying out light filling using same flash lamp at this time, it is over-exposed to be easy to cause part scenery, or part
The problems such as scenery is under-exposed, so that the photographic quality shot declines, seriously affects shooting effect.
The content of the invention
An embodiment of the present invention provides a kind of flash lamp control method and terminal, the shooting of terminal can be improved in shooting
Effect.
An embodiment of the present invention provides a kind of flash lamp control method, including：
The brightness values for each sub-image area included by image that the imaging region of acquisition terminal is shown；
For sub-image area each described, judge the brightness values of the sub-image area whether in default minimum
Between brightness values and default maximum luminance value；
If the brightness values of the sub-image area are more than the default maximum luminance value, the sub-image area is controlled
Corresponding flash lamp is closed, wherein, a sub-image area is corresponding with a flash lamp in flash lamp module；
If the brightness values of the sub-image area are less than the default minimum brightness values, by the sub-image area pair
The brightness values for the flash lamp answered are adjusted to target brightness value, and the target brightness value is standard exposure value and the sub-image regions
Difference between the brightness values in domain, the standard exposure value is positioned at the default minimum brightness values and the default maximum light
Between brightness value.
Correspondingly, the embodiment of the present invention additionally provides a kind of terminal, including：
Acquiring unit, the light for each sub-image area included by image that the imaging region for obtaining terminal is shown
Angle value；
Judging unit, for for sub-image area each described, judging the brightness values of the sub-image area to be
It is no to be between default minimum brightness values and default maximum luminance value；
Control unit, the brightness values for judging the sub-image area when the judging unit are more than described preset most
During big brightness values, the corresponding flash lamp in the sub-image area is controlled to close, wherein, a sub-image area and flash lamp mould
A flash lamp in group corresponds to；
Adjustment unit, the brightness values for judging the sub-image area when the judging unit are less than described preset most
During small brightness values, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value, the target
Brightness value is the difference between standard exposure value and the brightness values of the sub-image area, and the standard exposure value is positioned at described
Between default minimum brightness values and the default maximum luminance value.
In the embodiment of the present invention, in shooting process, it can obtain included by the image that the imaging region of terminal is shown
The brightness values of each sub-image area, for each sub-image area, judge the sub-image area brightness values whether
Between default minimum brightness values and default maximum luminance value, judge whether the brightness values of the sub-image area are in
Between default minimum brightness values and default maximum luminance value, if more than default maximum luminance value, the sub-image regions are controlled
The corresponding flash lamp in domain is closed, if less than default minimum brightness values, by the brightness of the corresponding flash lamp in the sub-image area
Value is adjusted to target brightness value, which is the difference between standard exposure value and the brightness values of the sub-image area
Value, standard exposure value is between default minimum brightness values and default maximum luminance value.Implement the embodiment of the present invention, clapping
During taking the photograph, the brightness values of each sub-image area included by image that the imaging region of comparison terminal is shown can be passed through
The brightness values of the corresponding flash lamp in each sub-image area are adjusted with the magnitude relationships of default brightness values, so as to carry
Shooting effect during height shooting, and then the photographic quality shot is improved, effectively improve user and shoot experience.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of flow diagram of flash lamp control method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of another flash lamp control method provided in an embodiment of the present invention；
Fig. 3 is a kind of structure diagram of terminal provided in an embodiment of the present invention；
Fig. 4 is the structure diagram of another terminal provided in an embodiment of the present invention.
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 part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, belongs to the scope of protection of the invention.
An embodiment of the present invention provides a kind of flash lamp control method and terminal, it is possible to increase shooting effect during shooting,
Effectively improve user and shoot experience.It is described in detail individually below.
Referring to Fig. 1, Fig. 1 is a kind of flow diagram of flash lamp control method provided in an embodiment of the present invention.Such as Fig. 1
Shown, which may comprise steps of：
The brightness values for each sub-image area included by image that S101, the imaging region of acquisition terminal are shown.
In the embodiment of the present invention, terminal can include but is not limited to smart mobile phone, tablet computer, palm PC, a number
Word assistant (Personal Digital Assistant, PAD), digital camera etc. have the device of shooting function.
In the embodiment of the present invention, terminal need to be integrated with camera and flash lamp, and the imaging region of terminal can be terminal
Display screen, the size of imaging region can be system default；It can also be adjustable, can be that user is voluntarily arranged to picture
The size that the size or terminal in region will be set when once being shot before the big minor adjustment of imaging region to user automatically.
When the screening-mode of terminal is in opening, external scene can be caught by camera, and by external scene with image
Form be shown in the imaging region of terminal.
In the embodiment of the present invention, each included by the image that the imaging region for performing step S101 acquisition terminals is shown
Before the brightness values of sub-image area, the screening-mode of terminal need to be opened in advance.
As an alternative embodiment, following step can be included by opening the embodiment of the screening-mode of terminal
Suddenly：
11) the screening-mode open command that user's operation target button is triggered is received；
12) the screening-mode open command is responded, opens the screening-mode of terminal.
In this embodiment, target button can be the physical button in terminal, and target button can be a button,
Can also be the combination of multiple buttons, screening-mode open command can be that user's short-press or long according to target button are triggered；
Target button can also be virtual key, and screening-mode open command can be the camera application in user click or double-click terminal
What icon was triggered.
As an alternative embodiment, the shooting triggered in execution step 11) reception user's operation target button
After pattern open command, and perform step 12) respond the screening-mode open command, open terminal screening-mode it
Before, it can also comprise the following steps：
13) prompt message is exported, which is used to prompt to input information to be verified；
14) information to be verified for responding prompt message input is received；
15) verify whether the information to be verified is consistent with default checking information；If verifying, the information to be verified is tested with default
It is consistent to demonstrate,prove information, then performs step 12) and responds the screening-mode open command, open the exposal model of terminal.
In this embodiment, terminal receive screening-mode open command that user's operation target button triggered it
Afterwards, terminal, which will export, is used to prompt the prompt message for inputting information to be verified；And terminal can export to be verified for inputting
The information input port to be verified of information.
In this embodiment, the information to be verified can include but is not limited to password to be verified, finger print information to be verified,
Any one in shape of face information to be verified, iris information to be verified, retinal information to be verified and voiceprint to be verified
Or several combination.
In this embodiment, which can include but is not limited to default verification password, default verification refers to
Line information, default verification shape of face information, default verification iris information, default verification retinal information and default verification vocal print letter
Any one or the combination of several of them in breath.
In this embodiment, above-mentioned default checking information can include fingerprint string information and each fingerprint corresponds to
Input time；So correspondingly, verify whether information to be verified is consistent with default checking information may comprise steps of：
Verify whether fingerprint string is identical with the fingerprint string that default checking information includes, and the input time of identical fingerprints
Whether difference is respectively less than preset value, if verification fingerprint string is identical with the fingerprint string that default checking information includes, and identical finger
The difference of the input time of line is respectively less than preset value, then can verify that information to be verified is consistent with default checking information；Conversely,
Verify that information to be verified and default checking information are inconsistent.Wherein, by implementing the embodiment, it can prevent disabled user from existing
Screening-mode is opened in terminal, so as to effectively prevent terminal from being operated wantonly by disabled user.
In the embodiment of the present invention, since external environment has differences, different zones receive in the image that terminal collects
Intensity of illumination may it is different so that the distribution situation of the brightness values in regional is also not quite similar.Can root
The imaging region is divided into several sub-image areas by the brightness values distribution situation of the image shown according to imaging region, so that
The brightness values of each sub-image area can further be obtained.Also may be used in addition, imaging region is divided into each sub-image area
It is ready-portioned to be that terminal system is given tacit consent in advance, imaging region is such as divided into symmetrical four sub-image areas.
S102, for each above-mentioned sub-image area, judge the brightness values of the sub-image area whether in default
Between minimum brightness values and default maximum luminance value.
In the embodiment of the present invention, for each sub-image area, can by the brightness values of the sub-image area with it is pre-
The brightness values first set are compared.Pre-set brightness values can be the light needed for the camera normal exposure of terminal
Brightness value, it can be a value range, and the critical value upper limit of the scope is to preset maximum luminance value, the lower limit of critical value
For default minimum brightness values, at this time, preset maximum luminance value and default minimum brightness values are unequal；Can also be specific
One value, at this time, preset minimum brightness values it is equal with default maximum luminance value.
In the embodiment of the present invention, it can be that user is voluntarily set to preset minimum brightness values with default maximum luminance value
, user can modify the two values according to self-demand and/or external environment；Default minimum brightness values are with presetting
Maximum luminance value can also be that terminal system is given tacit consent to, and at this time, user can not modify it.
If S103, the brightness values of the sub-image area are more than default maximum luminance value, the sub-image area pair is controlled
The flash lamp answered is closed.
In the embodiment of the present invention, flash lamp module is integrated with terminal, which includes at least two flash lamps,
Wherein, sub-image area can be corresponding with one or more of flash lamp module flash lamp, can pre-set every
A sub-image area corresponds to which or which flash lamp.
In the embodiment of the present invention, when the brightness values of the sub-image area are more than default maximum luminance value, show this
Sub-image area brightness values are sufficient, it is not necessary to recycle flash lamp to carry out light filling, therefore, can control the sub-image area pair
The flash lamp answered is closed.
In the embodiment of the present invention, when the brightness values of the sub-image area are in default minimum brightness values and default maximum
When between brightness values, the corresponding flash lamp in the sub-image area can also be controlled to close.
If S104, the brightness values of the sub-image area are less than default minimum brightness values, which is corresponded to
The brightness values of flash lamp adjust to target brightness value, target brightness value is the light of standard exposure value and the sub-image area
Difference between angle value, standard exposure value is between default minimum brightness values and default maximum luminance value.
In the embodiment of the present invention, when the brightness values of the sub-image area are less than default minimum brightness values, show this
Brightness values of the brightness values of sub-image area needed for it is impossible to meet camera normal exposure, at this time, if not utilizing sudden strain of a muscle
Light lamp carries out light filling, then can make it that the photo light that the sub-image area shows is weak, photo presentation is unintelligible, so as to influence to shine
Tablet quality.During flash lamp progress light filling corresponding using the sub-image area, it is necessary to first according to the brightness of the sub-image area
Brightness values needed for value and camera normal exposure calculate the brightness values of the corresponding flash lamp in the sub-image area, so
The risk that flash lighting is insufficient or light filling is excessive can be reduced, at this time, the brightness values of flash lamp are flash lamp reality output
Brightness values.
In the embodiment of the present invention, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value,
Target brightness value is by calculating the brightness values of the sub-image area and the standard exposure value needed for camera normal exposure
What difference obtained, wherein, standard exposure value can be default minimum brightness values, can be default maximum luminance value, may be used also
Be median between default minimum brightness values and default maximum luminance value or default minimum brightness values with
An arbitrary value between default maximum luminance value.Standard exposure value can be terminal system acquiescence or user
Voluntarily set.
As an example it is assumed that the brightness values scope needed for the camera normal exposure of terminal is 800Lx to 1200Lx, i.e.,
Default minimum brightness values are 800Lx, and it is 1200Lx to preset maximum luminance value, and standard exposure value is 1000Lx.Can will be every
The brightness values of one sub-image area are compared with default minimum brightness values and default maximum luminance value, to determine son
Whether the brightness values of image-region are in 800Lx between 1200Lx.When the brightness values for judging a sub-image area
During more than default maximum luminance value, the corresponding flash lamp in the sub-image area can be controlled to close；When judging a subgraph
When being less than default minimum brightness values as the brightness values in region, the brightness values for calculating the sub-image area (are assumed to be
700Lx) with the absolute difference of standard exposure value 1000Lx, and the brightness values of the corresponding flash lamp in the sub-image area are adjusted
To the absolute difference, i.e. 300Lx；When the brightness values for judging a sub-image area are in default minimum brightness values and pre-
If when between maximum luminance value, the corresponding flash lamp in the sub-image area can also be controlled to close.
In the described methods of Fig. 1, in shooting process, the image that the imaging region of terminal is shown can be obtained and wrapped
The brightness values of each sub-image area included, for each sub-image area, judge the brightness values of the sub-image area
Whether between default minimum brightness values and default maximum luminance value, judge the sub-image area brightness values whether
Between default minimum brightness values and default maximum luminance value, if more than default maximum luminance value, the subgraph is controlled
As the corresponding flash lamp closing in region, if less than default minimum brightness values, by the light of the corresponding flash lamp in the sub-image area
Brightness value is adjusted to target brightness value, which is between standard exposure value and the brightness values of the sub-image area
Difference, standard exposure value is between default minimum brightness values and default maximum luminance value.It is described by implementing Fig. 1
Method, can in shooting process, each sub-image area included by the image shown by the imaging region of comparison terminal
The magnitude relationships of brightness values and default brightness values adjust the brightness values of the corresponding flash lamp in each sub-image area,
Shooting effect during so as to improve shooting, and then the photographic quality shot is improved, effectively improve user and shoot experience.
Referring to Fig. 2, Fig. 2 is the flow diagram of another flash lamp control method provided in an embodiment of the present invention.Such as
Shown in Fig. 2, which may comprise steps of：
The brightness values for each sub-image area included by image that S201, the imaging region of acquisition terminal are shown.
As an alternative embodiment, wrapped in the image that the imaging region for performing step S201 acquisition terminals is shown
Before the brightness values of each sub-image area included, the described flash lamp control methods of Fig. 2 can also comprise the following steps：
21) the brightness values distributed intelligence for the image that the imaging region of acquisition terminal is shown；
22) according to the brightness values distributed intelligence of the image, each sub-image area is divided the image into.
In this embodiment, since external scene illuminance has differences, some scenery are under intense light irradiation, some scapes
Thing is under low-light, so that the brightness values for the image different zones that camera collects then may be different.Therefore, may be used
With the brightness values distributed intelligence according to image, several sub-image areas are divided the image into.
It is understood that image has been divided the light that need not then obtain image again of sub-image area by terminal system acquiescence
Brightness value distributed intelligence carries out picture portion.
In the embodiment of the present invention, after image has divided several sub-image areas, each sub-image area can be obtained
Brightness values.
S202, for each above-mentioned sub-image area, judge the brightness values of the sub-image area whether in default
Between minimum brightness values and default maximum luminance value.
If S203, the brightness values of the sub-image area are more than default maximum luminance value, if or the sub-image area
Brightness values be between default minimum brightness values and default maximum luminance value, control the corresponding sudden strain of a muscle in the sub-image area
Light lamp is closed.
If S204, the brightness values of the sub-image area are less than default minimum brightness values, which is corresponded to
The brightness values of flash lamp adjust to target brightness value, target brightness value is the light of standard exposure value and the sub-image area
Difference between angle value, standard exposure value is between default minimum brightness values and default maximum luminance value.
In the embodiment of the present invention, by the brightness values of the corresponding flash lamp in the sub-image area adjust to target brightness value it
Before, target brightness value need to be first calculated, its calculating process is：Calculate between standard exposure value and the brightness values of sub-image area
Difference, and the difference is determined as target brightness value, wherein, standard exposure value positioned at default minimum brightness values with it is default most
Between big brightness values.
As an alternative embodiment, performing step S202 judges that the brightness values of the sub-image area are less than in advance
If after minimum brightness values, and perform step S204 by the brightness values of the corresponding flash lamp in the sub-image area adjust to
Before target brightness value, the described flash lamp control methods of Fig. 2 can also comprise the following steps：
23) the corresponding preview image central point in the sub-image area is obtained to the straight line and the subgraph of camera central point
As the corresponding preview image central point in region to the angle of the straight line of the corresponding flash lamp central point in the sub-image area；
24) judge whether the angle is less than default angle, if it is not, adjusting the position of the corresponding flash lamp in the sub-image area
Put, angle is preset until the angle is less than, wherein, it is the corresponding flash lamp in the sub-image area which, which is less than when presetting angle,
The best angle of light filling is carried out to the sub-image area.
In this embodiment, the flash lamp that the flash lamp module of terminal includes is rotatable, can adjust sudden strain of a muscle
The position of light lamp makes it carry out light filling to image in best orientation.
It is understood that can be before the brightness values of the corresponding flash lamp in the sub-image area are adjusted, adjusting should
The position of the corresponding flash lamp in sub-image area so that the corresponding flash lamp in the sub-image area in optimal position to the subgraph
As region carries out light filling；The brightness values of the corresponding flash lamp in the sub-image area can also adjusted and then adjusting the son
The position of the corresponding flash lamp of image-region, the embodiment of the present invention are not construed as limiting.
S205, the color parameter value for obtaining the sub-image area.
S206, the color parameter value according to the sub-image area, adjust the color of the corresponding flash lamp in the sub-image area
Parameter value and the color parameter value of the sub-image area match.
In the embodiment of the present invention, the color parameter value of the sub-image area can be the rgb value of the sub-image area, according to
The color that the rgb value adjusts the corresponding flash lamp in the sub-image area is matched with the rgb value.Such as when rgb value is 255,0,0,
The color for showing the sub-image area at this time is red, at this point it is possible to adjust the color of the corresponding flash lamp in the sub-image area
For red；When rgb value is 0,0,255, the color for showing the sub-image area at this time is blueness, at this point it is possible to adjust the son
The color of the corresponding flash lamp of image-region is blueness.Implement present embodiment, can be joined according to the color of the sub-image area
Numerical value adjusts the color of the corresponding flash lamp in the sub-image area so that flash lamp also carries out while light filling is carried out to image
Complementary color, so that the photo color shot is more bright-coloured, photo is more beautiful.
As an alternative embodiment, it is less than the subgraph of default minimum brightness values for each brightness values
Region, after the parameter value of the corresponding flash lamp in the adjusting sub-image area and the parameter value of the sub-image area match,
Terminal can also export prompt message, to prompt user's present terminal to be in optimal shooting state.Wherein, the parameter of flash lamp
Value includes any one or the combination of several of them in the color of the brightness values of flash lamp, the position of flash lamp and flash lamp.
As an alternative embodiment, the described flash lamp control methods of Fig. 2 can also comprise the following steps：
25) shooting instruction input by user is received；
26) shooting instruction is responded, control terminal is in the parameter value of flash lamp in the state of the parameter value after adjustment
Destination object is shot, and obtains the image that shooting obtains.
Wherein, shooting instruction can be user click on terminal on some target button triggered or user
What the optional position of click terminal imaging region was triggered.
By implementing the described methods of Fig. 2, can be shown in shooting process by the imaging region of comparison terminal
The brightness values of each sub-image area included by image adjust each subgraph with the magnitude relationship of default brightness values
The brightness values of the corresponding flash lamp in region；And the position of the corresponding flash lamp in each sub-image area can be adjusted, so that respectively
The corresponding flash lamp in a sub-image area is in optimal light filling position；And adjust the corresponding flash lamp in each sub-image area
Color carries out complementary color to the region, shooting effect during so as to improve shooting, and then improves the photographic quality shot, and has
Effect ground improves user and shoots experience.
Referring to Fig. 3, Fig. 3 is a kind of structure diagram of terminal provided in an embodiment of the present invention, for performing the present invention
The flash lamp control method that embodiment provides.As shown in figure 3, the terminal can include：
Acquiring unit 301, each sub-image area included by image that the imaging region for obtaining terminal is shown
Brightness values.
In the embodiment of the present invention, terminal need to be integrated with camera and flash lamp, and the imaging region of terminal can be terminal
Display screen, the size of imaging region can be system default；It can also be adjustable, can be that user is voluntarily arranged to picture
The size that the size or terminal in region will be set when once being shot before the big minor adjustment of imaging region to user automatically.
When the screening-mode of terminal is in opening, external scene can be caught by camera, and by external scene with image
Form be shown in the imaging region of terminal.
In the embodiment of the present invention, obtained in acquiring unit 301 each included by the image that shows of imaging region of terminal
Before the brightness values of sub-image area, terminal need to open screening-mode in advance.
As an alternative embodiment, the terminal shown in Fig. 3 can also include：
First receiving unit 31, for being obtained in acquiring unit 301 included by the image that shows of imaging region of terminal
Before the brightness values of each sub-image area, the screening-mode open command that user's operation target button is triggered is received；
Opening unit 32, for responding the screening-mode open command, opens the screening-mode of terminal.
In this embodiment, target button can be the physical button in terminal, and target button can be a button,
Can also be the combination of multiple buttons, screening-mode open command can be that user's short-press or long according to target button are triggered；
Target button can also be virtual key, and screening-mode open command can be the camera application in user click or double-click terminal
What icon was triggered.
As an alternative embodiment, the terminal shown in Fig. 3 can also include：
Output unit 33, for the shooting mould triggered in above-mentioned first receiving unit 31 reception user's operation target button
After formula open command, prompt message is exported, which is used to prompt to input information to be verified；
Second receiving unit 34, the information to be verified of prompt message input is responded for receiving；
Authentication unit 35, for verifying whether the information to be verified is consistent with default checking information；If verifying, this is to be verified
Information is consistent with default checking information, then triggers above-mentioned opening unit 32 and perform the above-mentioned response screening-mode open command,
Open the operation of the screening-mode of terminal.
In this embodiment, the screening-mode that user's operation target button triggered is received in the first receiving unit 31
After open command, output unit 33, which will export, to be used to prompt the prompt message for inputting information to be verified；And output unit 33
The information input port to be verified for inputting information to be verified can be exported.
In this embodiment, the information to be verified can include but is not limited to password to be verified, finger print information to be verified,
Any one in shape of face information to be verified, iris information to be verified, retinal information to be verified and voiceprint to be verified
Or several combination.
In this embodiment, which can include but is not limited to default verification password, default verification refers to
Line information, default verification shape of face information, default verification iris information, default verification retinal information and default verification vocal print letter
Any one or the combination of several of them in breath.
In this embodiment, above-mentioned default checking information can include fingerprint string information and each fingerprint corresponds to
Input time；So correspondingly, authentication unit 35 is verified whether information to be verified is consistent with default checking information and can be included
Following steps：
Authentication unit 35 verifies whether fingerprint string is identical with the fingerprint string that default checking information includes, and identical fingerprints
Whether the difference of input time is respectively less than preset value, if verification fingerprint string is identical with the fingerprint string that default checking information includes,
And the difference of the input time of identical fingerprints is respectively less than preset value, then can verify information to be verified and default checking information
Unanimously；Conversely, verify that information to be verified and default checking information are inconsistent.Wherein, by implementing the embodiment, can prevent
Disabled user opens screening-mode in terminal, so as to effectively prevent terminal from being operated wantonly by disabled user.
In the embodiment of the present invention, since external environment has differences, different zones receive in the image that terminal collects
Intensity of illumination may it is different so that the distribution situation of the brightness values in regional is also not quite similar.Terminal can
The imaging region is divided into by several sub-image areas with the brightness values distribution situation of the image shown according to imaging region,
So as to which acquiring unit 301 can obtain the brightness values of each sub-image area.In addition, imaging region is divided into each subgraph
It is ready-portioned that region can also be that terminal system is given tacit consent in advance, and imaging region such as is divided into symmetrical four sub-image areas
Deng.
Judging unit 302, for for each above-mentioned sub-image area, judging the brightness values of the sub-image area to be
It is no to be between default minimum brightness values and default maximum luminance value.
In the embodiment of the present invention, for each sub-image area, judging unit 302 can be by the light of the sub-image area
Brightness value is compared with pre-set brightness values.Pre-set brightness values can be that the camera of terminal normally exposes
Brightness values needed for light, it can be a value range, and the critical value upper limit of the scope is default maximum luminance value, is faced
The lower limit of dividing value is default minimum brightness values, at this time, presets maximum luminance value and default minimum brightness values are unequal；
It can be a specific value, at this time, it is equal with default maximum luminance value preset minimum brightness values.
In the embodiment of the present invention, it can be that user is voluntarily set to preset minimum brightness values with default maximum luminance value
, user can modify the two values according to self-demand and/or external environment；Default minimum brightness values are with presetting
Maximum luminance value can also be that terminal system is given tacit consent to, and at this time, user can not modify it.
Control unit 303, the brightness values for judging the sub-image area when above-mentioned judging unit 302, which are more than, to be preset most
During big brightness values, the corresponding flash lamp in the sub-image area is controlled to close, wherein, a sub-image area and flash lamp module
In a flash lamp correspond to.
In the embodiment of the present invention, flash lamp module is integrated with terminal, which includes at least two flash lamps,
Wherein, sub-image area can be corresponding with one or more of flash lamp module flash lamp, can pre-set every
A sub-image area corresponds to which or which flash lamp.
In the embodiment of the present invention, when the brightness values of the sub-image area are more than default maximum luminance value, show this
Sub-image area brightness values are sufficient, it is not necessary to recycle flash lamp to carry out light filling, therefore, control unit 303 can control this
The corresponding flash lamp in sub-image area is closed.
In the embodiment of the present invention, when the brightness values of the sub-image area are in default minimum brightness values and default maximum
When between brightness values, control unit 303 can also control the corresponding flash lamp in the sub-image area to close.
Adjustment unit 304, the brightness values for judging the sub-image area when above-mentioned judging unit 302, which are less than, to be preset most
During small brightness values, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value, target brightness value
It is the difference between standard exposure value and the brightness values of the sub-image area, standard exposure value is positioned at default minimum brightness values
Between default maximum luminance value.
In the embodiment of the present invention, when the brightness values of the sub-image area are less than default minimum brightness values, show this
Brightness values of the brightness values of sub-image area needed for it is impossible to meet camera normal exposure, at this time, if not utilizing sudden strain of a muscle
Light lamp carries out light filling, then can make it that the photo light that the sub-image area shows is weak, photo presentation is unintelligible, so as to influence to shine
Tablet quality.During flash lamp progress light filling corresponding using the sub-image area, it is necessary to first according to the brightness of the sub-image area
Brightness values needed for value and camera normal exposure calculate the brightness values of the corresponding flash lamp in the sub-image area, so
The risk that flash lighting is insufficient or light filling is excessive can be reduced, at this time, the brightness values of flash lamp are flash lamp reality output
Brightness values.
In the embodiment of the present invention, adjustment unit 304 by the brightness values of the corresponding flash lamp in the sub-image area adjust to
Target brightness value, target brightness value are by calculating the brightness values of the sub-image area and the mark needed for camera normal exposure
What the difference of quasi- exposure value obtained, wherein, standard exposure value can be default minimum brightness values, can be default maximum bright
Angle value, can also be the median between default minimum brightness values and default maximum luminance value or default minimum
An arbitrary value between brightness values and default maximum luminance value.Standard exposure value can be that terminal system is given tacit consent to,
Can be that user is voluntarily set.
In terminal shown in Fig. 3, in shooting process, what the imaging region that acquiring unit 301 can obtain terminal was shown
The brightness values of each sub-image area included by image, judging unit 302 can be directed to each sub-image area, judge
The brightness values of the sub-image area judge the son whether between default minimum brightness values and default maximum luminance value
Whether the brightness values of image-region are between default minimum brightness values and default maximum luminance value, if more than presetting most
Big brightness values, control unit 303 control the corresponding flash lamp in the sub-image area to close, if less than default minimum brightness
Value, adjustment unit 304 adjust the brightness values of the corresponding flash lamp in the sub-image area to target brightness value, the object brightness
Value is the difference between standard exposure value and the brightness values of the sub-image area, and standard exposure value is positioned at default minimum brightness
Between value and default maximum luminance value.Terminal shown in implementing Fig. 3, can in shooting process, by comparison terminal into
The brightness values of each sub-image area as included by the image that region is shown are adjusted with the magnitude relationship of default brightness values
The brightness values of the corresponding flash lamp in each sub-image area are saved, shooting effect during so as to improve shooting, and then improve
The photographic quality shot, effectively improves user and shoots experience.
Referring to Fig. 4, Fig. 4 is the structure diagram of another terminal provided in an embodiment of the present invention, for performing this hair
The flash lamp control method that bright embodiment provides.As shown in figure 4, the terminal can include：
Acquiring unit 401, each sub-image area included by image that the imaging region for obtaining terminal is shown
Brightness values.
In the embodiment of the present invention, acquiring unit 401, is additionally operable to obtaining included by the image that shows of imaging region of terminal
Each sub-image area brightness values before, obtain the brightness values distribution letter of the image that the imaging region of terminal is shown
Breath.
Correspondingly, the terminal shown in Fig. 4 can also include：
Zoning unit 405, for the brightness values distributed intelligence according to the image, divides the image into each subgraph
Region.
In the embodiment of the present invention, after image has been divided several sub-image areas by zoning unit 405, acquiring unit
401 can obtain the brightness values of each sub-image area.
Judging unit 402, for for each above-mentioned sub-image area, judging the brightness values of the sub-image area to be
It is no to be between default minimum brightness values and default maximum luminance value.
Control unit 403, the brightness values for judging the sub-image area when above-mentioned judging unit 402, which are more than, to be preset most
During big brightness values, the corresponding flash lamp in the sub-image area is controlled to close, wherein, a sub-image area and flash lamp module
In a flash lamp correspond to.
In the embodiment of the present invention, control unit 403, is additionally operable to when above-mentioned judging unit 402 judges the sub-image area
When brightness values are between default minimum brightness values and default maximum luminance value, the corresponding sudden strain of a muscle in the sub-image area is controlled
Light lamp is closed.
Adjustment unit 404, the brightness values for judging the sub-image area when above-mentioned judging unit 402, which are less than, to be preset most
During small brightness values, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value, target brightness value
It is the difference between standard exposure value and the brightness values of the sub-image area, standard exposure value is positioned at default minimum brightness values
Between default maximum luminance value.
In the embodiment of the present invention, adjustment unit 404 by the brightness values of the corresponding flash lamp in the sub-image area adjust to
The mode of target brightness value is specifically as follows：
Adjustment unit 404 calculates the difference between the brightness values of standard exposure value and sub-image area, and by the difference
It is determined as target brightness value, and the brightness values of the corresponding flash lamp in the sub-image area is adjusted to target brightness value, its
In, standard exposure value is between default minimum brightness values and default maximum luminance value.
As an alternative embodiment, above-mentioned acquiring unit 401, can be also used for sentencing in above-mentioned judging unit 402
Break and the brightness values of the sub-image area and be less than after default minimum brightness values, in above-mentioned adjustment unit 404 by the subgraph
As the brightness values of the corresponding flash lamp in region are adjusted to before target brightness value, the corresponding preview graph in the sub-image area is obtained
The straight line preview image central point corresponding with the sub-image area of inconocenter point to camera central point is to the sub-image area
The angle of the straight line of corresponding flash lamp central point；
Correspondingly, above-mentioned judging unit 402, can be also used for judging whether the angle is less than default angle；
Above-mentioned adjustment unit 404, can be also used for when above-mentioned judging unit 402 judges that the angle is more than default angle
When, the position of the corresponding flash lamp in the sub-image area is adjusted, angle is preset until the angle is less than, wherein, which is less than
Carry out the best angle of light filling during default angle to the sub-image area for the corresponding flash lamp in the sub-image area.
In this embodiment, the flash lamp that the flash lamp module of terminal includes is rotatable, can adjust sudden strain of a muscle
The position of light lamp makes it carry out light filling to image in best orientation.
As an alternative embodiment, above-mentioned acquiring unit 401, can be also used for when above-mentioned adjustment unit 404 is incited somebody to action
The brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value, obtain the color of the sub-image area
Parameter value；
Correspondingly, above-mentioned adjustment unit 404, can be also used for the color parameter value according to the sub-image area, and adjusting should
The color parameter value of the corresponding flash lamp in sub-image area matches with the color parameter value of the sub-image area.
In this embodiment, the color parameter value of the sub-image area can be the rgb value of the sub-image area, according to
The color that the rgb value adjusts the corresponding flash lamp in the sub-image area is matched with the rgb value.Such as when rgb value is 255,0,0,
The color for showing the sub-image area at this time is red, at this point it is possible to adjust the color of the corresponding flash lamp in the sub-image area
For red；When rgb value is 0,0,255, the color for showing the sub-image area at this time is blueness, at this point it is possible to adjust the son
The color of the corresponding flash lamp of image-region is blueness.Implement present embodiment, can be joined according to the color of the sub-image area
Numerical value adjusts the color of the corresponding flash lamp in the sub-image area so that flash lamp also carries out while light filling is carried out to image
Complementary color, so that the photo color shot is more bright-coloured, photo is more beautiful.
As an alternative embodiment, the terminal shown in Fig. 4 can also include：
Receiving unit 41, for receiving shooting instruction input by user；
Correspondingly, above-mentioned control unit 403, can be also used for responding the shooting instruction, ginseng of the control terminal in flash lamp
Destination object is shot in the state of the parameter value that numerical value is in after adjustment, and obtains the image that shooting obtains.
In this embodiment, shooting instruction can be that some target button that user is clicked in terminal is triggered,
Can be user click on terminal imaging region optional position triggered.
Implement the terminal shown in Fig. 4, can in shooting process, the image institute shown by the imaging region of comparison terminal
Including the brightness values of each sub-image area and the magnitude relationship of default brightness values adjust each sub-image area pair
The brightness values for the flash lamp answered；And the position of the corresponding flash lamp in each sub-image area can be adjusted, so that each subgraph
As the corresponding flash lamp in region is in optimal light filling position；And adjust the color pair of the corresponding flash lamp in each sub-image area
The region carries out complementary color, shooting effect during so as to improve shooting, and then improves the photographic quality shot, and effectively changes
Kind user shoots experience.
Specifically, the terminal introduced in the embodiment of the present invention can implement the flash lamp that the present invention combines Fig. 1 or Fig. 2 introductions
Part or all of flow in control method embodiment.
Module or submodule in all embodiments of the invention, can be by universal integrated circuit, such as CPU, or passes through
ASIC (Application Specific Integrated Circuit, application-specific integrated circuit) is realized.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Unit in terminal of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
One of ordinary skill in the art will appreciate that realize 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, abbreviation RAM) etc..
A kind of flash lamp control method provided in an embodiment of the present invention and terminal are described in detail above, herein
Apply specific case to be set forth the principle of the present invention and embodiment, the explanation of above example is only intended to help
Understand the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention,
There will be changes in specific embodiments and applications, in conclusion this specification content should not be construed as to this
The limitation of invention.
Claims (10)
- A kind of 1. flash lamp control method, it is characterised in that including：The brightness values for each sub-image area included by image that the imaging region of acquisition terminal is shown；For sub-image area each described, judge the brightness values of the sub-image area whether in default minimum bright Between angle value and default maximum luminance value；If the brightness values of the sub-image area are more than the default maximum luminance value, the sub-image area is controlled to correspond to Flash lamp close, wherein, a sub-image area is corresponding with a flash lamp in flash lamp module；If the brightness values of the sub-image area are less than the default minimum brightness values, and the sub-image area is corresponding The brightness values of flash lamp are adjusted to target brightness value, and the target brightness value is standard exposure value and the sub-image area Difference between brightness values, the standard exposure value is positioned at the default minimum brightness values and the default maximum luminance Between value.
- 2. according to the method described in claim 1, it is characterized in that, the image that the imaging region for obtaining terminal is shown is wrapped Before the brightness values of each sub-image area included, the method further includes：The brightness values distributed intelligence for the image that the imaging region of acquisition terminal is shown；According to the brightness values distributed intelligence of described image, described image is divided into each sub-image area.
- 3. according to the method described in claim 1, it is characterized in that, the method further includes：If the brightness values of the sub-image area are in the default minimum brightness values and the default maximum luminance value Between, control the corresponding flash lamp in the sub-image area to close.
- 4. according to claims 1 to 3 any one of them method, it is characterised in that the light for judging the sub-image area Brightness value is less than after the default minimum brightness values, and the light by the corresponding flash lamp in the sub-image area Angle value is adjusted to before target brightness value, and the method further includes：Obtain straight line and the sub-image regions of the corresponding preview image central point in the sub-image area to camera central point Angle of the corresponding preview image central point in domain to the straight line of the corresponding flash lamp central point in the sub-image area；Judge whether the angle is less than default angle, if it is not, adjusting the position of the corresponding flash lamp in the sub-image area, directly It is less than the default angle to the angle, wherein, the angle is the sub-image area pair when being less than the default angle The flash lamp answered carries out the sub-image area best angle of light filling.
- 5. the according to the method described in claim 1, it is characterized in that, light by the corresponding flash lamp in the sub-image area Brightness value is adjusted to target brightness value, and the method further includes：Obtain the color parameter value of the sub-image area；According to the color parameter value of the sub-image area, the color parameter value of the corresponding flash lamp in the sub-image area is adjusted Match with the color parameter value of the sub-image area.
- A kind of 6. terminal, it is characterised in that including：Acquiring unit, the brightness for each sub-image area included by image that the imaging region for obtaining terminal is shown Value；Judging unit, for for sub-image area each described, judging whether the brightness values of the sub-image area are located Between default minimum brightness values and default maximum luminance value；Control unit, the brightness values for judging the sub-image area when the judging unit are more than the default maximum light During brightness value, the corresponding flash lamp in the sub-image area is controlled to close, wherein, in a sub-image area and flash lamp module A flash lamp correspond to；Adjustment unit, the brightness values for judging the sub-image area when the judging unit are less than the default minimum light During brightness value, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to target brightness value, the object brightness Value is the difference between standard exposure value and the brightness values of the sub-image area, and the standard exposure value is positioned at described default Between minimum brightness values and the default maximum luminance value.
- 7. terminal according to claim 6, it is characterised in thatThe acquiring unit, each sub-image area included by image that the imaging region being additionally operable in acquisition terminal is shown Before brightness values, the brightness values distributed intelligence for the image that the imaging region of terminal is shown is obtained；The terminal further includes：Zoning unit, for the brightness values distributed intelligence according to described image, each sub-image regions are divided into by described image Domain.
- 8. the terminal according to claim 6 or 7, it is characterised in thatThe acquiring unit, is additionally operable to judge that the brightness values of the sub-image area are less than described preset in the judging unit After minimum brightness values, the brightness values of the corresponding flash lamp in the sub-image area are adjusted to mesh in the adjustment unit Mark brightness value before, obtain the corresponding preview image central point in the sub-image area to camera central point straight line with it is described Angle of the corresponding preview image central point in sub-image area to the straight line of the corresponding flash lamp central point in the sub-image area；The judging unit, is additionally operable to judge whether the angle is less than default angle；The adjustment unit, is additionally operable to, when the judging unit judges that the angle is more than default angle, adjust the subgraph As the position of the corresponding flash lamp in region, until the angle is less than the default angle, wherein, the angle is less than described pre- If carry out the best angle of light filling during angle to the sub-image area for the corresponding flash lamp in the sub-image area.
- 9. a kind of terminal, including：Processor, memory and input-output equipment；It is characterized in that,Have program stored therein code in the memory；The processor realizes Claims 1 to 5 any one the method for holding program code.
- 10. a kind of storage medium, it is characterised in that have program stored therein code in the storage medium, said program code quilt Processing realizes Claims 1 to 5 any one the method after performing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367688.7A CN107948539B (en) | 2015-04-30 | 2015-04-30 | Flash lamp control method and terminal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367688.7A CN107948539B (en) | 2015-04-30 | 2015-04-30 | Flash lamp control method and terminal |
| CN201510217893.XA CN104853110B (en) | 2015-04-30 | 2015-04-30 | A kind of flash lamp control method and terminal |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510217893.XA Division CN104853110B (en) | 2015-04-30 | 2015-04-30 | A kind of flash lamp control method and terminal |
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| Publication Number | Publication Date |
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| CN107948539A true CN107948539A (en) | 2018-04-20 |
| CN107948539B CN107948539B (en) | 2020-07-17 |
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| CN201711367688.7A Expired - Fee Related CN107948539B (en) | 2015-04-30 | 2015-04-30 | Flash lamp control method and terminal |
| CN201510217893.XA Expired - Fee Related CN104853110B (en) | 2015-04-30 | 2015-04-30 | A kind of flash lamp control method and terminal |
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| CN114900617A (en) * | 2022-03-28 | 2022-08-12 | 北京京东乾石科技有限公司 | Light supplement method, device, equipment, storage medium and light supplement brightness adjusting device |
| CN115526786A (en) * | 2022-01-25 | 2022-12-27 | 荣耀终端有限公司 | Image processing method and related device |
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| CN106343758A (en) * | 2016-08-26 | 2017-01-25 | 宁波圣达精工智能科技有限公司 | Intelligent mobile rack |
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| CN107483823A (en) * | 2017-08-31 | 2017-12-15 | 努比亚技术有限公司 | A kind of image processing method and terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104853110A (en) | 2015-08-19 |
| CN104853110B (en) | 2018-01-23 |
| CN107948539B (en) | 2020-07-17 |
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