CN104853110B - 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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- CN104853110B CN104853110B CN201510217893.XA CN201510217893A CN104853110B CN 104853110 B CN104853110 B CN 104853110B CN 201510217893 A CN201510217893 A CN 201510217893A CN 104853110 B CN104853110 B CN 104853110B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000003384 imaging method Methods 0.000 claims abstract description 41
- 238000013316 zoning Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000001960 triggered effect Effects 0.000 description 14
- 230000000295 complement effect Effects 0.000 description 4
- 210000003205 muscle Anatomy 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
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- 238000004590 computer program Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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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
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- Studio Devices (AREA)
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 whether the brightness values of the sub-image area are in and preset between minimum brightness values and default maximum luminance value；If more than default maximum luminance value, flash lamp corresponding to 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 flash lamp corresponding to 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 positioned at default between 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 shoot function, such as：Digital camera,
Mobile phone, tablet personal computer etc..It is also configured with addition, possessing most of mobile terminal of shoot function while camera is configured with
One flash lamp, the quality that photo is shot under low light environment can be improved 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 now carrying out light filling using same flash lamp, it is over-exposed to easily cause part scenery, or part
The problems such as scenery under-exposure, so that the photographic quality shot declines, have a strong impact on shooting effect.
The content of the invention
The embodiments of the invention provide a kind of flash lamp control method and terminal, the shooting of terminal can be improved in shooting
Effect.
The embodiments of the invention provide 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 are located 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
No be in is preset between 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, flash lamp corresponding to the sub-image area is controlled to close, wherein, a sub-image area and flash lamp mould
A flash lamp in group is corresponding；
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 flash lamp corresponding to 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
Preset between 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
Preset between minimum brightness values and default maximum luminance value, if more than default maximum luminance value, control the sub-image regions
Flash lamp corresponding to domain is closed, if less than minimum brightness values are preset, by the brightness of flash lamp corresponding to the sub-image area
To target brightness value, the target brightness value is the difference between standard exposure value and the brightness values of the sub-image area for value regulation
Value, standard exposure value is positioned at default between 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
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying 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, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of flash lamp control method provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another flash lamp control method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of terminal provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The embodiments of the invention provide 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 schematic flow sheet of flash lamp control method provided in an embodiment of the present invention.Such as Fig. 1
Shown, the flash lamp control method 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 personal computer, palm PC, individual number
Word assistant (Personal Digital Assistant, PAD), digital camera etc. have the device of shoot 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) receive user and operate the screening-mode open command that target button is triggered；
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, the prompt message 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 user operate the screening-mode open command that is triggered of target button 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, the default checking information can include but is not limited to default checking password, default checking refers to
Line information, default checking shape of face information, default checking iris information, default checking retinal information and default checking vocal print letter
Any one or a few combination in breath.
In this embodiment, above-mentioned default checking information can include fingerprint string information and each fingerprint is corresponding
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 checking 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, because 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 as to
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.The brightness values pre-set can be the light needed for the camera normal exposure of terminal
Brightness value, it can be a span, and the critical value upper limit of the scope is to preset maximum luminance value, the lower limit of critical value
To preset minimum brightness values, now, it is unequal with presetting minimum brightness values to preset maximum luminance value；Can also be specific
One value, now, 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 according to self-demand and/or external environment to the two values；Minimum brightness values are preset with presetting
Maximum luminance value can also be that terminal system is given tacit consent to, and now, user can not modify to 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, the flash lamp module 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
Individual 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, minimum brightness values and default maximum are preset when the brightness values of the sub-image area are in
When between brightness values, flash lamp corresponding to the sub-image area can also be controlled to close.
If S104, the brightness values of the sub-image area, which are less than, presets minimum brightness values, and the sub-image area is corresponding
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 positioned at default between minimum brightness values and default maximum luminance value.
In the embodiment of the present invention, when the brightness values of the sub-image area, which are less than, presets 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, now, 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., it is necessary to first according to the brightness of the sub-image area when carrying out light filling using flash lamp corresponding to the sub-image area
Brightness values needed for value and camera normal exposure calculate the brightness values of flash lamp corresponding to the sub-image area, so
The risk that flash lighting is insufficient or light filling is excessive can be reduced, now, the brightness values of flash lamp are flash lamp reality output
Brightness values.
In the embodiment of the present invention, the brightness values of flash lamp corresponding to 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 preset minimum brightness values, can be default maximum luminance value, may be used also
Be default median between minimum brightness values and default maximum luminance value or preset 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.,
It is 800Lx to preset minimum brightness values, 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 presetting 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, flash lamp corresponding to the sub-image area can be controlled to close；When judging a subgraph
As when the brightness values in region, which are less than, presets minimum brightness values, the brightness values for calculating the sub-image area (are assumed to be
700Lx) with standard exposure value 1000Lx absolute difference, and the brightness values of flash lamp corresponding to the sub-image area are adjusted
To the absolute difference, i.e. 300Lx；Minimum brightness values and pre- are preset when the brightness values for judging a sub-image area are in
If when between maximum luminance value, flash lamp corresponding to the sub-image area can also be controlled to close.
In the method described by 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 in default between 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
Flash lamp is closed as corresponding to region, if less than minimum brightness values are preset, by the light of flash lamp corresponding to the sub-image area
Brightness value is adjusted to target brightness value, and the target brightness value is between standard exposure value and the brightness values of the sub-image area
Difference, standard exposure value is positioned at default between minimum brightness values and default maximum luminance value.By implementing described by 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 schematic flow sheet of another flash lamp control method provided in an embodiment of the present invention.Such as
Shown in Fig. 2, the flash lamp control method 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 flash lamp control method described by 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, because 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 terminal system acquiescence has divided image the light that need not then obtain image again of sub-image area
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 in default between minimum brightness values and default maximum luminance value, control and dodged corresponding to the sub-image area
Light lamp is closed.
If S204, the brightness values of the sub-image area, which are less than, presets minimum brightness values, and the sub-image area is corresponding
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 positioned at default between minimum brightness values and default maximum luminance value.
In the embodiment of the present invention, by the brightness values of flash lamp corresponding to 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 defined as target brightness value, wherein, standard exposure value be located at preset 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 flash lamp corresponding to the sub-image area adjust to
Before target brightness value, the flash lamp control method described by Fig. 2 can also comprise the following steps：
23) preview image central point corresponding to the sub-image area is obtained to the straight line and the subgraph of camera central point
The angle of the straight line of flash lamp central point corresponding to the preview image central point to the sub-image area as corresponding to region；
24) judge whether the angle is less than default angle, if it is not, adjusting the position of flash lamp corresponding to the sub-image area
Put, angle is preset until the angle is less than, wherein, it is flash lamp corresponding to the sub-image area that the angle, 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 flash lamp corresponding to the sub-image area are adjusted, regulation should
The position of flash lamp corresponding to sub-image area so that flash lamp corresponding to the sub-image area in optimal position to the subgraph
As region carries out light filling；The brightness values of flash lamp corresponding to the sub-image area can also adjusted and then adjusting the son
The position of flash lamp corresponding to 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 flash lamp corresponding to 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 rgb value adjusts the color of flash lamp corresponding to the sub-image area and matched with the rgb value.Such as when rgb value is 255,0,0,
The color for showing the now sub-image area is red, at this point it is possible to adjust the color of flash lamp corresponding to the sub-image area
For red；When rgb value is 0,0,255, the color for showing the now sub-image area is blueness, at this point it is possible to adjust the son
The color of flash lamp corresponding to 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 flash lamp corresponding to the sub-image area so that flash lamp is also carried out while light filling is carried out to image
Complementary color, so that the photo color shot is more bright-coloured, photo is more attractive in appearance.
As an alternative embodiment, it is less than the subgraph for presetting minimum brightness values for each brightness values
Region, after the parameter value of flash lamp corresponding to the regulation sub-image area matches with the parameter value of the sub-image area,
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 a few the combination in the color of the brightness values of flash lamp, the position of flash lamp and flash lamp.
As an alternative embodiment, the flash lamp control method described by Fig. 2 can also comprise the following steps：
25) the shooting instruction of user's input 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 method described by 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 flash lamp corresponding to region；And the position of flash lamp corresponding to each sub-image area can be adjusted, so that respectively
Flash lamp corresponding to individual sub-image area is in optimal light filling position；And flash lamp corresponding to each sub-image area of regulation
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 structural representation 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, receive user and operate the screening-mode open command that target button is triggered；
Opening unit 32, for responding the screening-mode open command, open 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, the prompt message 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, receive user in the first receiving unit 31 and operate the screening-mode that is triggered of target button
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, the default checking information can include but is not limited to default checking password, default checking refers to
Line information, default checking shape of face information, default checking iris information, default checking retinal information and default checking vocal print letter
Any one or a few combination in breath.
In this embodiment, above-mentioned default checking information can include fingerprint string information and each fingerprint is corresponding
Input time；So correspondingly, authentication unit 35 is verified whether information to be verified is consistent with default checking information and can 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 checking 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, because 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
No be in is preset between 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 the brightness values pre-set.The brightness values pre-set can be that the camera of terminal normally exposes
Brightness values needed for light, it can be a span, and the critical value upper limit of the scope is default maximum luminance value, is faced
The lower limit of dividing value is to preset minimum brightness values, now, it is unequal with presetting minimum brightness values to preset maximum luminance value；
It can be a specific value, now, 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 according to self-demand and/or external environment to the two values；Minimum brightness values are preset with presetting
Maximum luminance value can also be that terminal system is given tacit consent to, and now, user can not modify to 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, flash lamp corresponding to the sub-image area is controlled to close, wherein, a sub-image area and flash lamp module
In a flash lamp it is corresponding.
In the embodiment of the present invention, flash lamp module is integrated with terminal, the flash lamp module 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
Individual 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
Flash lamp is closed corresponding to sub-image area.
In the embodiment of the present invention, minimum brightness values and default maximum are preset when the brightness values of the sub-image area are in
When between brightness values, control unit 303 can also control flash lamp corresponding to 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 flash lamp corresponding to 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, which is located at, presets minimum brightness values
Between default maximum luminance value.
In the embodiment of the present invention, when the brightness values of the sub-image area, which are less than, presets 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, now, 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., it is necessary to first according to the brightness of the sub-image area when carrying out light filling using flash lamp corresponding to the sub-image area
Brightness values needed for value and camera normal exposure calculate the brightness values of flash lamp corresponding to the sub-image area, so
The risk that flash lighting is insufficient or light filling is excessive can be reduced, now, 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 flash lamp corresponding to 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 preset minimum brightness values, can be default maximum bright
Angle value, it 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
Whether the brightness values of the sub-image area judge the son in presetting between minimum brightness values and default maximum luminance value
Whether the brightness values of image-region between minimum brightness values and default maximum luminance value, are preset most in default if being more than
Big brightness values, control unit 303 control flash lamp corresponding to the sub-image area to close, if less than default minimum brightness
Value, adjustment unit 304 adjust the brightness values of flash lamp corresponding to 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, which is located at, presets 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 flash lamp corresponding to each sub-image area are saved, shooting effect during so as to improve shooting, and then improve
The photographic quality shot, effectively improve user and shoot experience.
Referring to Fig. 4, Fig. 4 is the structural representation 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, it 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, divide 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
No be in is preset between 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, flash lamp corresponding to the sub-image area is controlled to close, wherein, a sub-image area and flash lamp module
In a flash lamp it is corresponding.
In the embodiment of the present invention, control unit 403, it is additionally operable to when above-mentioned judging unit 402 judges the sub-image area
Brightness values are controlled and dodged corresponding to the sub-image area in when presetting between minimum brightness values and default maximum luminance value
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 flash lamp corresponding to 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, which is located at, presets minimum brightness values
Between default maximum luminance value.
In the embodiment of the present invention, adjustment unit 404 by the brightness values of flash lamp corresponding to 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 defined as target brightness value, and the brightness values of flash lamp corresponding to the sub-image area is adjusted to target brightness value, its
In, standard exposure value is positioned at default between 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 the sub-image area brightness values be less than and preset minimum brightness values after, in above-mentioned adjustment unit 404 by the subgraph
The brightness values of flash lamp as corresponding to region are adjusted to before target brightness value, obtain preview graph corresponding to the sub-image area
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, it can be also used for when above-mentioned judging unit 402 judges that the angle is more than default angle
When, the position of flash lamp corresponding to the sub-image area is adjusted, angle is preset until the angle is less than, wherein, the angle is less than
Carry out the best angle of light filling during default angle to the sub-image area for flash lamp corresponding 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.
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 flash lamp are adjusted to target brightness value corresponding to the sub-image area, 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 regulation should
The color parameter value of flash lamp corresponding to 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 rgb value adjusts the color of flash lamp corresponding to the sub-image area and matched with the rgb value.Such as when rgb value is 255,0,0,
The color for showing the now sub-image area is red, at this point it is possible to adjust the color of flash lamp corresponding to the sub-image area
For red；When rgb value is 0,0,255, the color for showing the now sub-image area is blueness, at this point it is possible to adjust the son
The color of flash lamp corresponding to 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 flash lamp corresponding to the sub-image area so that flash lamp is also carried out while light filling is carried out to image
Complementary color, so that the photo color shot is more bright-coloured, photo is more attractive in appearance.
As an alternative embodiment, the terminal shown in Fig. 4 can also include：
Receiving unit 41, for receiving the shooting instruction of user's input；
Correspondingly, above-mentioned control unit 403, can be also used for responding 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 flash lamp corresponding to each sub-image area can be adjusted, so that each subgraph
Flash lamp is in optimal light filling position as corresponding to region；And the color pair of flash lamp corresponding to each sub-image area of regulation
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.
Step in present invention method 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
The hardware of correlation is instructed to complete by computer program, described 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, described 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 and embodiment of the present invention, 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 summary, this specification content should not be construed as to this
The limitation of invention.
Claims (6)
1. a kind of flash lamp control method, it is characterised in that the flash lamp is rotatable flash lamp, and methods described includes：
The brightness values distributed intelligence for the image that the imaging region of acquisition terminal is shown；It is distributed according to the brightness values of described image
Information, described image is divided into each sub-image area；
Obtain the brightness values of each sub-image area included by described image；
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, control the sub-image area corresponding
Flash lamp close, wherein, a sub-image area is corresponding with a flash lamp in flash lamp module；
Obtain straight line and the sub-image regions of the preview image central point corresponding to the sub-image area to camera central point
The angle of the straight line of flash lamp central point corresponding to preview image central point to the sub-image area corresponding to domain；
Judge whether the angle is less than default angle, if it is not, adjusting the position of flash lamp corresponding to 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 best angle of light filling to the sub-image area；
If the brightness values of the sub-image area are less than the default minimum brightness values, by corresponding to the sub-image area
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 are located at the default minimum brightness values and the default maximum luminance
Between value.
2. according to the method for claim 1, it is characterised in that methods described also 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 flash lamp corresponding to the sub-image area to close.
3. according to the method for claim 1, it is characterised in that the light by flash lamp corresponding to the sub-image area
Brightness value is adjusted to target brightness value, and methods described also 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 flash lamp corresponding to the sub-image area is adjusted
Match with the color parameter value of the sub-image area.
4. a kind of terminal, it is characterised in that the terminal includes rotatable flash lamp, and the terminal includes：
Acquiring unit, the brightness values distributed intelligence for the image that the imaging region for obtaining terminal is shown；Obtain terminal into
The brightness values of each sub-image area as included by the image that region is shown；
Zoning unit, for the brightness values distributed intelligence according to described image, described image is divided into each sub-image regions
Domain；
Judging unit, for for sub-image area each described, judging whether the brightness values of the sub-image area are located
In default between minimum brightness values and default maximum luminance value；
Control unit, for judging that the brightness values of the sub-image area are more than the default maximum light when the judging unit
During brightness value, flash lamp corresponding to the sub-image area is controlled to close, wherein, in a sub-image area and flash lamp module
A flash lamp it is corresponding；
Adjustment unit, for judging that the brightness values of the sub-image area are less than the default minimum light when the judging unit
During brightness value, the brightness values of flash lamp corresponding to 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；
The acquiring unit, it 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 flash lamp corresponding to the sub-image area are adjusted to mesh in the adjustment unit
Mark brightness value before, obtain preview image central point corresponding to the sub-image area to camera central point straight line with it is described
The angle of the straight line of flash lamp central point corresponding to preview image central point to the sub-image area corresponding to sub-image area；
The judging unit, it is additionally operable to judge whether the angle is less than default angle；
The adjustment unit, it is additionally operable to, when the judging unit judges that the angle is more than default angle, adjust the subgraph
The position of flash lamp as corresponding to 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 flash lamp corresponding to the sub-image area.
5. terminal according to claim 4, it is characterised in that
Described control unit, it is additionally operable to when the judging unit judges that the brightness values of the sub-image area are in described default
When between minimum brightness values and the default maximum luminance value, flash lamp corresponding to the sub-image area is controlled to close.
6. terminal according to claim 4, it is characterised in that
The acquiring unit, it is additionally operable to when the adjustment unit adjusts the brightness values of flash lamp corresponding to the sub-image area
After section to target brightness value, the color parameter value of the sub-image area is obtained；
The adjustment unit, the color parameter value according to the sub-image area is additionally operable to, it is corresponding to adjust the sub-image area
The color parameter value of flash lamp match with the color parameter value of the sub-image area.
Priority Applications (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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN201711367688.7A Division CN107948539B (en) | 2015-04-30 | 2015-04-30 | Flash lamp control method and terminal |
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| Publication Number | Publication Date |
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| CN104853110A CN104853110A (en) | 2015-08-19 |
| CN104853110B true CN104853110B (en) | 2018-01-23 |
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| CN201510217893.XA Expired - Fee Related CN104853110B (en) | 2015-04-30 | 2015-04-30 | A kind of flash lamp control method and terminal |
| CN201711367688.7A Expired - Fee Related CN107948539B (en) | 2015-04-30 | 2015-04-30 | Flash lamp control method and terminal |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711367688.7A Expired - Fee Related CN107948539B (en) | 2015-04-30 | 2015-04-30 | Flash lamp control method and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105227834B (en) * | 2015-09-09 | 2018-08-17 | 深圳市沃特沃德股份有限公司 | The photographic method and device of mobile intelligent terminal |
| CN105407295B (en) * | 2015-10-30 | 2019-02-22 | 努比亚技术有限公司 | Mobile terminal filming apparatus and method |
| EP3226660B1 (en) * | 2016-03-31 | 2018-10-31 | Philips Lighting Holding B.V. | A computer implemented method for creating a dynamic light effect and controlling a lighting device according to the dynamic light effect |
| 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 |
| CN106791451B (en) * | 2017-02-28 | 2020-09-22 | 上海传英信息技术有限公司 | Photographing method of intelligent terminal |
| 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 |
| CN108040209B (en) * | 2017-12-20 | 2019-12-13 | 维沃移动通信有限公司 | Shooting method and mobile terminal |
| CN109063583A (en) * | 2018-07-10 | 2018-12-21 | 广东小天才科技有限公司 | A kind of learning method and electronic equipment based on read operation |
| CN109151390B (en) * | 2018-09-21 | 2021-07-09 | 深圳市九洲电器有限公司 | Ultralow-illumination night vision method and system and high-definition camera device |
| CN109587407A (en) * | 2018-12-14 | 2019-04-05 | 广州华多网络科技有限公司 | Exposure amount adjustment method, device and the computer equipment of image taking |
| CN109600557A (en) * | 2018-12-20 | 2019-04-09 | 天津天地伟业信息***集成有限公司 | A kind of method that infrared lamp homogenizes light filling |
| CN110809120B (en) * | 2019-11-01 | 2021-04-27 | 深圳创维－Rgb电子有限公司 | Light supplementing method for shot picture, smart television and computer readable storage medium |
| CN111741230B (en) * | 2019-11-21 | 2021-06-29 | 天津九安医疗电子股份有限公司 | Camera head |
| CN111083388B (en) * | 2019-12-26 | 2021-04-16 | 浙江大华技术股份有限公司 | Light supplement lamp control method and device, electronic equipment and storage medium |
| CN114070916B (en) * | 2020-07-31 | 2023-04-28 | 华为技术有限公司 | Shooting light supplementing method and related device |
| CN117710265A (en) * | 2022-01-25 | 2024-03-15 | 荣耀终端有限公司 | Image processing method and related device |
| CN114900617B (en) * | 2022-03-28 | 2023-08-08 | 北京京东乾石科技有限公司 | Light supplementing method, device, equipment, storage medium and light supplementing brightness adjusting device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104853110A (en) | 2015-08-19 |
| CN107948539A (en) | 2018-04-20 |
| CN107948539B (en) | 2020-07-17 |
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