CN104767984B - A kind of flash lamp color temperature adjusting method and terminal - Google Patents
A kind of flash lamp color temperature adjusting method and terminal Download PDFInfo
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Abstract
The embodiment of the invention discloses a kind of flash lamp color temperature adjusting method and terminals.Wherein, this method comprises: under photographing mode, when flash lamp is in the open state, the color temperature value of the current luminous environment of preview image is obtained；If the color temperature value got is between high color temperature threshold value and low color temperature threshold value, adjusting flash lamp is neutral color temperature flash lamp, wherein, the high color temperature threshold value is greater than the low color temperature threshold value, and the color temperature value of the neutral color temperature flash lamp is between the high color temperature threshold value and the low color temperature threshold value.Implement the colour temperature of the adjustable flash lamp of the embodiment of the present invention, improves effect of taking pictures.
Description
Technical field
The present invention relates to intelligent terminal technical field more particularly to a kind of flash lamp color temperature adjusting method and terminals.
Background technique
As taking pictures for terminal configures higher and higher, user likes using terminal increasingly to take pictures, wherein configuration of taking pictures
In flash lamp, be essential key configuration of taking pictures, in the insufficient situation of ambient light intensity, sudden strain of a muscle is can be used in user
Light lamp carrys out auxiliary photo-taking, to obtain effect of preferably taking pictures.Currently, the most common flash lamp is high color temperature flash lamp.In practice
It was found that high color temperature flash lamp can shoot preferable effect under high color temperature scene, still, when high color temperature flash lamp is in low
The photo for taking pictures out when under colour temperature scene or partial region indigo plant or partial region partially are partially red, this is because high color temperature dodges
When light lamp is under low color temperature scene, it is equivalent to a mixing light source, which can not simulate the light for scene of currently taking pictures
Environment, so that effect of taking pictures is bad.
Summary of the invention
The embodiment of the invention provides a kind of flash lamp color temperature adjusting method and terminal, the colour temperature of adjustable flash lamp,
Raising is taken pictures effect.
First aspect of the embodiment of the present invention discloses a kind of flash lamp color temperature adjusting method, comprising:
Under photographing mode, when flash lamp is in the open state, the color temperature value of the current luminous environment of preview image is obtained；
If the color temperature value got, between high color temperature threshold value and low color temperature threshold value, adjusting flash lamp is neutral color temperature
Flash lamp, wherein the high color temperature threshold value be greater than the low color temperature threshold value, and the color temperature value of the neutral color temperature flash lamp between
Between the high color temperature threshold value and the low color temperature threshold value.
Second aspect of the embodiment of the present invention discloses a kind of terminal, comprising:
Acquiring unit, for when flash lamp is in the open state, obtaining the current ring of light of preview image under photographing mode
The color temperature value in border；
Unit is adjusted, the color temperature value for getting when the acquiring unit is between high color temperature threshold value and low color temperature threshold
When between value, adjusting flash lamp is neutral color temperature flash lamp, wherein the high color temperature threshold value is greater than the low color temperature threshold value, and
The color temperature value of the neutral color temperature flash lamp is between the high color temperature threshold value and the low color temperature threshold value.
In the embodiment of the present invention, terminal is under photographing mode, when flash lamp is in the open state, obtains preview image and works as
The color temperature value of preceding luminous environment, when the color temperature value got is between high color temperature threshold value and low color temperature threshold value, terminal, which is adjusted, dodges
Light lamp is neutral color temperature flash lamp, wherein the high color temperature threshold value is greater than the low color temperature threshold value, and the color temperature value of neutral color temperature flash lamp
Between the high color temperature threshold value and the low color temperature threshold value.Through the embodiment of the present invention, when the color of the current luminous environment of preview image
When temperature is normal color temperature, the adjustable flash lamp of terminal is neutral color temperature flash lamp, so that the colour temperature of flash lamp and current luminous environment
Colour temperature be consistent, so as to improve effect of taking pictures.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of flow diagram of flash lamp color temperature adjusting method disclosed by the embodiments of the present invention；
Fig. 2 is the flow diagram of another flash lamp color temperature adjusting method disclosed by the embodiments of the present invention；
Fig. 3 is the flow diagram of another flash lamp color temperature adjusting method disclosed by the embodiments of the present invention；
Fig. 4 is a kind of structural schematic diagram of terminal disclosed by the embodiments of the present invention；
Fig. 5 is the structural schematic diagram of another terminal disclosed by the embodiments of the present invention；
Fig. 6 is the structural schematic diagram of another terminal disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of flash lamp color temperature adjusting method and terminal, the colour temperature of adjustable flash lamp,
Raising is taken pictures effect.It is described in detail separately below.
In the embodiment of the present invention, terminal may include any photo terminal with flash lamp configuration, and such as smart phone is put down
Plate computer, laptop, palm PC etc. terminal.Wherein, the operating system of the terminal can include but is not limited to
Android operation system, IOS operating system, Symbian (Saipan) operating system, Black Berry (blackberry, blueberry) operating system,
Windows Phone8 operating system etc., the embodiment of the present invention is without limitation.
Referring to Figure 1, Fig. 1 is a kind of flow diagram of flash lamp color temperature adjusting method disclosed by the embodiments of the present invention.
As shown in Figure 1, this method may comprise steps of:
S101, under photographing mode, when flash lamp is in the open state, obtain the current luminous environment of preview image colour temperature
Value.
In the embodiment of the present invention, colour temperature is the color that light issues, the i.e. color of light source light spectrum composition.The unit of colour temperature is used
(K) it indicates, when the color of light blueness, blue or bluish violet partially, commonly referred to as it is high color temperature, when the color of light is partially red, orange, yellow
When color, commonly referred to as it is low color temperature, and when the color of light is white, commonly referred to as it is normal color temperature (i.e. neutral color temperature), wherein
Any color only can just obtain the normal color of itself under the light irradiation of white.
In general, the color temperature value of high color temperature is typically no less than 5000K, the color temperature value of low color temperature is generally no greater than 3100K, middle color
The color temperature value of temperature is between 3100K and 5000K.
As an alternative embodiment, the specific implementation of step S101 may comprise steps of:
11) rgb value of the current luminous environment of preview image is obtained；
12) the corresponding color temperature value of rgb value of the current luminous environment of the preview image is determined.
In this embodiment, terminal can calculate the current light of preview image by special algorithm (such as white balance algorithm)
RGB (red, green, blue) value of environment, and further determine that the rgb value of the current luminous environment of preview image is corresponding by the rgb value
Color temperature value.Wherein, which respectively has 256 grades of brightness, with digital representation be from 0,1,2......255, it is any
The color of light source can be mixed by these three coloured light according to different ratios.
As another optional embodiment, above-mentioned steps 12) specific implementation can be with are as follows:
According to the mapping relations of the RGB and colour temperature that obtain in advance, the preview image is selected to work as from the mapping relations
The corresponding color temperature value of the rgb value of preceding luminous environment.
In this embodiment, above-mentioned mapping relations can first pass through in advance experimental calculation and come out, and can also be inputted by user
Operational order generate, the embodiment of the present invention is not construed as limiting.
As another optional embodiment, above-mentioned steps 12) specific implementation can be with are as follows:
By white balance algorithm, the corresponding color temperature value of rgb value of the current luminous environment of the preview image is calculated.
In this embodiment, white balance is to describe one of white accuracy after the mixing of red, green, blue three primary colours generates to refer to
Mark, and white balance algorithm can be used to solve a series of problems of color rendition and tone processing.The common algorithm of white balance can
To include but is not limited to grey world, perfect inverse method and algorithm based on automatic threshold processing white balance etc..
As an alternative embodiment, before step S101, the method can with the following steps are included:
21) photographing mode open command is received；
22) photographing mode open command is responded, photographing mode is opened.
In this embodiment, which can be the photographing mode open command for receiving user's input,
Such as: the photographing mode that user clicks terminal is released the button, alternatively, above-mentioned photographing mode open command can be terminal and give birth to automatically
At photographing mode open command, such as: in specific time automatically into the photographing mode open command of photographing mode.
As another optional embodiment, above-mentioned steps 21) and the specific embodiment of step 22) may include following
Step:
21) photographing mode open command is received；
22) prompt information is exported, which inputs information to be verified for prompting；
23) information to be verified for responding prompt information input is received；
24) whether consistent with pre-set default verification information the information to be verified is verified；
If 25) it is consistent with default verification information to verify the information to be verified, the photographing mode open command is responded, is opened
Photographing mode.
In this embodiment, after terminal receives photographing mode open command, output is used to prompt to input by terminal
The prompt information of information to be verified；And terminal can export the information input mouth to be verified for inputting information to be verified.
In this embodiment, the information to be verified may include but be not limited to password to be verified, finger print information to be verified, to
Verify shape of face information, iris information to be verified, in retinal information to be verified and voiceprint to be verified any one or
Several combinations.
In this embodiment, which may include but be not limited to default verifying password, pre-
If verifying finger print information, presetting and verify shape of face information, default verifying iris information, preset to verify retinal information and preset and test
Demonstrate,prove any one or the combination of several of them in voiceprint.
Optionally, in this embodiment, above-mentioned default verification information may include fingerprint string information and each
Fingerprint corresponding input time；So correspondingly, verify information to be verified it is whether consistent with default verification information may include with
Lower step:
Verify whether fingerprint string is identical as the fingerprint string that default verification information includes, and the input time of identical fingerprints
Whether difference is respectively less than preset value, if verifying fingerprint string is identical as the fingerprint string that default verification information includes, and identical finger
The difference of the input time of line is respectively less than preset value, then it is consistent with default verification information to verify information to be verified；Conversely,
It verifies information to be verified and default verification information is inconsistent.Wherein, by implementing the embodiment, it can prevent illegal user from existing
Photographing mode is opened in terminal, is operated wantonly so as to be effectively prevented terminal by illegal user.
Optionally, in this embodiment, above-mentioned default verification information may include that encrypted message and biological information (refer to
The combination of any one or more of line information, shape of face information, iris information, retinal information and voiceprint), then phase
Ying Di, verifies whether information to be verified is consistent with default verification information to may comprise steps of:
Whether the encrypted message and preset encrypted message of verifying input are identical, when the encrypted message for verifying input and preset
Encrypted message it is identical when, whether biological information and the preset biological information for verifying input identical, if verifying input life
Object information is identical as preset biological information, then it is consistent with default verification information to verify information to be verified；, whereas if
Biological information and the preset biological information for verifying input be not identical, then information to be verified and default verification information can be verified
It is inconsistent.Wherein, by implementing the embodiment, it can prevent invalid user stealing encrypted message from opening photographing mode, thus
Terminal can be effectively prevented and operated wantonly by illegal user.
If S102, the color temperature value got, between high color temperature threshold value and low color temperature threshold value, adjusting flash lamp is middle color
Warm flash lamp.
In the embodiment of the present invention, since colour temperature is divided into high color temperature, neutral color temperature and three kinds of low color temperature, terminal is got
Luminous environment colour temperature also can there are three types of.When the color temperature value got is between high color temperature threshold value and low color temperature threshold value, it is
The colour temperature of light source and the colour temperature of luminous environment for providing flash lamp are consistent, and need to open neutral color temperature flash lamp.Wherein, on
State high color temperature threshold value greater than above-mentioned low color temperature threshold value, such as: high color temperature threshold value is 5000K, and low color temperature threshold value is 3100K, and should
The color temperature value of neutral color temperature flash lamp is between the high color temperature threshold value and the low color temperature threshold value, it is assumed that high color temperature threshold value is A, low color
Warm threshold value is B, and the color temperature value of neutral color temperature flash lamp is C, then correspondingly, just there is relational expression A > C > B, wherein A, B, C are big
In 0 positive integer.
It should be noted that the flash lamp provided in the embodiment of the present invention can cover three kinds of colour temperatures (high color temperatures, neutral color temperature
And low color temperature), therefore corresponding flash lamp just has high color temperature flash lamp, neutral color temperature flash lamp and low color temperature flash lamp, eventually
End can select the flash lamp of corresponding colour temperature according to the variation of the colour temperature of ambient light conditions, to guarantee effect that flash lamp is taken pictures
Fruit.
The corresponding relationship of colour temperature and white balance that S103, basis obtain in advance, determines the color temperature value of the flash lamp after adjusting
Corresponding white balance value.
In the embodiment of the present invention, under a variety of different light status, object color can change because throw light color generates
Become, the photo shot under the occasion of different light has different colour temperatures.In this respect, white object changes the brightest
Aobvious: indoors under tungsten light, white object may appear to shoot and under such illumination condition with crocus tone
Scenery will be partially yellow；But if being that can then have blue color under azure sky, be shot under such illumination condition
The scenery come can be partially blue.In order to reduce external light influence caused by color of object as far as possible, under the conditions of different colour temperatures
The original color of target subject can be restored, it is necessary to carry out colour correction, to reach correct color balance, this is known as
White balance adjusting.
As it can be seen that white balance adjusting is related to the utilization of the normal reduction and tone of color, it is believed that white balance is exactly color
The manager of temperature, therefore, it is necessary to obtain the corresponding white balance value of color temperature value of the flash lamp after adjusting.
In the embodiment of the present invention, the corresponding relationship can be it is pre- first pass through experimental calculation go out, or by user input
Operational order generate, the embodiment of the present invention is not construed as limiting.
S104, according to white balance value, white balance adjusting is carried out to preview image.
In the embodiment of the present invention, generally there are many modes for white balance, such as automatic white flat for adapting to different scene captures
Weighing apparatus, indoor white balance, manually adjusts tungsten light white balance, fluorescence white balance.Regardless of the white balance of which kind of mode, it has one
A corresponding white balance value.Terminal can according to user select the corresponding white balance value of white balance mode, to preview image into
Row white balance adjusting improves the effect of shooting photo, meets the aesthetic of user so that the color of preview image obtains normal reduction
It is required that.
In the method flow described in Fig. 1, terminal is under photographing mode, when flash lamp is in the open state, obtains
The color temperature value of the current luminous environment of preview image, when the color temperature value got is between high color temperature threshold value and low color temperature threshold value,
It is neutral color temperature flash lamp that terminal, which adjusts flash lamp, wherein the high color temperature threshold value is greater than the low color temperature threshold value, and neutral color temperature is glistened
The color temperature value of lamp is between the high color temperature threshold value and the low color temperature threshold value.Through the embodiment of the present invention, when preview image is current
The colour temperature of luminous environment be normal color temperature when, the adjustable flash lamp of terminal be neutral color temperature flash lamp so that the colour temperature of flash lamp with
The colour temperature of current luminous environment is consistent, so as to improve effect of taking pictures.
Fig. 2 is referred to, Fig. 2 is the process signal of another flash lamp color temperature adjusting method disclosed by the embodiments of the present invention
Figure.As shown in Fig. 2, this method may comprise steps of:
S201, terminal are under photographing mode, when flash lamp is in the open state, obtain the current luminous environment of preview image
Color temperature value.
If S202, the color temperature value got are greater than or equal to high color temperature threshold value, terminal adjusts flash lamp as high color temperature flash of light
Lamp.
In the embodiment of the present invention, since colour temperature is divided into high color temperature, neutral color temperature and three kinds of low color temperature, terminal is got
Luminous environment colour temperature also can there are three types of.When the color temperature value got is greater than or equal to high color temperature threshold value, in order to make flash lamp
The colour temperature of the light source of offer and the colour temperature of luminous environment are consistent, and it is high color temperature flash lamp that terminal, which needs to adjust flash lamp,.Wherein,
The color temperature value of the high color temperature flash lamp is greater than or equal to high color temperature threshold value, it is assumed that high color temperature threshold value is A, the color of high color temperature flash lamp
Temperature value is B, then correspondingly, just there is relational expression B > A, wherein A, B are the positive integer greater than 0, it is generally the case that A can be
5000K。
It should be noted that the flash lamp provided in the embodiment of the present invention can cover three kinds of colour temperatures (high color temperatures, neutral color temperature
And low color temperature), therefore corresponding flash lamp just has high color temperature flash lamp, neutral color temperature flash lamp and low color temperature flash lamp, eventually
End can select the flash lamp of corresponding colour temperature according to the variation of the colour temperature of ambient light conditions, to guarantee effect that flash lamp is taken pictures
Fruit.
S203, terminal determine the color of the flash lamp after adjusting according to the colour temperature obtained in advance and the corresponding relationship of white balance
The corresponding white balance value of temperature value.
S204, terminal carry out white balance adjusting to preview image according to white balance value.
It should be noted that step S201, S203 and S204 in the embodiment of the present invention can respectively refer to embodiment
The description of step S101, S103 and S104 in one, it is no longer repeated herein.
In the method flow described in Fig. 2, terminal is under photographing mode, when flash lamp is in the open state, obtains
The color temperature value of the current luminous environment of preview image adjusts flash lamp when the color temperature value got is greater than or equal to high color temperature threshold value
For high color temperature flash lamp, wherein the color temperature value of the high color temperature flash lamp is greater than or equal to the high color temperature threshold value.It is real through the invention
Example is applied, when the colour temperature of the current luminous environment of preview image is high color temperature, the adjustable flash lamp of terminal is high color temperature flash lamp, with
It is consistent the colour temperature of flash lamp and the colour temperature of current luminous environment, so as to improve effect of taking pictures.
Fig. 3 is referred to, Fig. 3 is the process signal of another flash lamp color temperature adjusting method disclosed by the embodiments of the present invention
Figure.As shown in figure 3, this method may comprise steps of:
S301, terminal are under photographing mode, when flash lamp is in the open state, obtain the current luminous environment of preview image
Color temperature value.
If S302, the color temperature value got are less than or equal to low color temperature threshold value, terminal adjusts flash lamp as low color temperature flash of light
Lamp.
In the embodiment of the present invention, since colour temperature is divided into high color temperature, neutral color temperature and three kinds of low color temperature, terminal is got
Luminous environment colour temperature also can there are three types of.When the color temperature value got is less than or equal to low color temperature threshold value, in order to mention flash lamp
The colour temperature of the light source of confession and the colour temperature of luminous environment are consistent, and it is low color temperature flash lamp that terminal, which needs to adjust flash lamp,.Wherein, should
The color temperature value of low color temperature flash lamp is less than or equal to low color temperature threshold value, it is assumed that low color temperature threshold value is A, the colour temperature of low color temperature flash lamp
Value is B, then correspondingly, just there is relational expression B < A, wherein A, B are the positive integer greater than 0, it is generally the case that B can be
3100K。
It should be noted that the flash lamp provided in the embodiment of the present invention can cover three kinds of colour temperatures (high color temperatures, neutral color temperature
And low color temperature), therefore corresponding flash lamp just has high color temperature flash lamp, neutral color temperature flash lamp and low color temperature flash lamp, eventually
End can select the flash lamp of corresponding colour temperature according to the variation of the colour temperature of ambient light conditions, to guarantee effect that flash lamp is taken pictures
Fruit.
S303, terminal determine the color of the flash lamp after adjusting according to the colour temperature obtained in advance and the corresponding relationship of white balance
The corresponding white balance value of temperature value.
S304, terminal carry out white balance adjusting to preview image according to white balance value.
It should be noted that step S301, S303 and S304 in the embodiment of the present invention can respectively refer to embodiment
The description of step S101, S103 and S104 in one, it is no longer repeated herein.
In the method flow described in Fig. 3, terminal is under photographing mode, when flash lamp is in the open state, obtains
The color temperature value of the current luminous environment of preview image adjusts flash lamp when the color temperature value got is less than or equal to low color temperature threshold value
For low color temperature flash lamp, wherein the color temperature value of the low color temperature flash lamp is less than or equal to the low color temperature threshold value.It is real through the invention
Example is applied, when the colour temperature of the current luminous environment of preview image is low color temperature, the adjustable flash lamp of terminal is low color temperature flash lamp, with
It is consistent the colour temperature of flash lamp and the colour temperature of current luminous environment, so as to improve effect of taking pictures.
The following is an embodiment of the apparatus of the present invention, and apparatus of the present invention embodiment is for executing embodiment of the present invention method one to three
The method of realization, for ease of description, only parts related to embodiments of the present invention are shown, and particular technique details does not disclose
, please refer to the embodiment of the present invention one, embodiment two and embodiment three.
Fig. 4 is referred to, Fig. 4 is a kind of structural schematic diagram of terminal disclosed by the embodiments of the present invention, as shown in figure 4, the end
End 400 may include: acquiring unit 401 and adjusting unit 402, in which:
Acquiring unit 401, for when flash lamp is in the open state, it is current to obtain preview image under photographing mode
The color temperature value of luminous environment.
In the embodiment of the present invention, colour temperature is the color that light issues, the i.e. color of light source light spectrum composition.The unit of colour temperature is used
(K) it indicates, when the color of light blueness, blue or bluish violet partially, commonly referred to as it is high color temperature, when the color of light is partially red, orange, yellow
When color, commonly referred to as it is low color temperature, and when the color of light is white, commonly referred to as it is normal color temperature (i.e. neutral color temperature), wherein
Any color only can just obtain the normal color of itself under the light irradiation of white.
In general, the color temperature value of high color temperature is typically no less than 5000K, the color temperature value of low color temperature is generally no greater than 3100K, middle color
The color temperature value of temperature is between 3100K and 5000K.
Unit 402 is adjusted, the color temperature value for getting when acquiring unit 401 is between high color temperature threshold value and low color temperature threshold value
Between when, adjusting flash lamp is neutral color temperature flash lamp, wherein the high color temperature threshold value is greater than the low color temperature threshold value, and color in this
The color temperature value of warm flash lamp is between the high color temperature threshold value and the low color temperature threshold value.
In the embodiment of the present invention, since colour temperature is divided into high color temperature, neutral color temperature and three kinds of low color temperature, acquiring unit
The colour temperature of 401 luminous environments got also can there are three types of.When the color temperature value that acquiring unit 401 is got between high color temperature threshold value and
When between low color temperature threshold value, in order to which the colour temperature of light source and the colour temperature of luminous environment that provide flash lamp are consistent, unit is adjusted
402 need to adjust flash lamp for neutral color temperature flash lamp.Wherein, above-mentioned high color temperature threshold value is greater than above-mentioned low color temperature threshold value, such as: high color
Warm threshold value is 5000K, and low color temperature threshold value is 3100K, and the color temperature value of the neutral color temperature flash lamp between the high color temperature threshold value and
Between the low color temperature threshold value, it is assumed that high color temperature threshold value is A, and low color temperature threshold value is B, and the color temperature value of neutral color temperature flash lamp is C, then
Correspondingly, just there is relational expression A > C > B, wherein A, B, C are the positive integer greater than 0.
It should be noted that the flash lamp provided in the embodiment of the present invention can cover three kinds of colour temperatures (high color temperatures, neutral color temperature
And low color temperature), therefore corresponding flash lamp just has high color temperature flash lamp, neutral color temperature flash lamp and low color temperature flash lamp, eventually
End can select the flash lamp of corresponding colour temperature according to the variation of the colour temperature of ambient light conditions, to guarantee effect that flash lamp is taken pictures
Fruit.
As an alternative embodiment, above-mentioned adjusting unit 402, is also used to the color when acquiring unit 401 is got
When temperature value is greater than or equal to high color temperature threshold value, adjusting flash lamp is high color temperature flash lamp, wherein the colour temperature of the high color temperature flash lamp
Value is greater than or equal to high color temperature threshold value.
In this embodiment, when the color temperature value that acquiring unit 401 is got is greater than or equal to high color temperature threshold value, in order to make
The colour temperature of light source and the colour temperature of luminous environment that flash lamp provides are consistent, and are adjusted unit 402 and are needed flash lamp being adjusted to height
Colour temperature flash lamp.Wherein, the color temperature value of the high color temperature flash lamp is greater than or equal to high color temperature threshold value, it is assumed that and high color temperature threshold value is A,
The color temperature value of high color temperature flash lamp is B, then correspondingly, just there is relational expression B > A, wherein A, B are the positive integer greater than 0, are led to
In normal situation, A can be 5000K.
As another optional embodiment, above-mentioned adjusting unit 402 is also used to get when acquiring unit 401
When color temperature value is less than or equal to low color temperature threshold value, adjusting flash lamp is low color temperature flash lamp, wherein the colour temperature of low color temperature flash lamp
Value is less than or equal to low color temperature threshold value.
In this embodiment, when the color temperature value that acquiring unit 401 is got is less than or equal to low color temperature threshold value, in order to make to dodge
The colour temperature of light source and the colour temperature of luminous environment that light lamp provides are consistent, and are adjusted unit 402 and are needed for flash lamp to be adjusted to low color
Warm flash lamp.Wherein, the color temperature value of the low color temperature flash lamp is less than or equal to low color temperature threshold value, it is assumed that low color temperature threshold value is A, low
The color temperature value of colour temperature flash lamp is B, then correspondingly, just there is relational expression B < A, wherein A, B are the positive integer greater than 0, usually
In the case of, B can be 3100K.
Fig. 5 is referred to, Fig. 5 is the structural schematic diagram of another terminal disclosed by the embodiments of the present invention, wherein shown in Fig. 5
Terminal be to advanced optimize to obtain on the basis of terminal shown in Fig. 4, compared with terminal shown in Fig. 4, end shown in fig. 5
Other than holding all units in addition to including terminal shown in Fig. 4, acquiring unit 401 shown in fig. 5 may include:
Subelement 4011 is obtained, for obtaining the rgb value of the current luminous environment of preview image；
Subelement 4012 is determined, for determining the corresponding color temperature value of rgb value of the current luminous environment of preview image.
In this embodiment, preview can be calculated by special algorithm (such as white balance algorithm) by obtaining subelement 4011
RGB (red, green, blue) value of the current luminous environment of image, and further by determining that subelement 4012 by the rgb value, determines preview
The corresponding color temperature value of rgb value of the current luminous environment of image.Wherein, which respectively has 256 grades of brightness, with number
Be expressed as from 0,1,2......255, the color of any light source can by these three coloured light according to different ratio mixing and
At.
Optionally it is determined that subelement 4012 determines the specific of the corresponding color temperature value of rgb value of the current luminous environment of preview image
Implementation can be with are as follows:
According to the mapping relations of the RGB and colour temperature that obtain in advance, the current luminous environment of preview image is selected from mapping relations
The corresponding color temperature value of rgb value.
In this embodiment, above-mentioned mapping relations can first pass through in advance experimental calculation and come out, and can also be inputted by user
Operational order generate, the embodiment of the present invention is not construed as limiting.
Optionally it is determined that subelement 4012 determines the specific of the corresponding color temperature value of rgb value of the current luminous environment of preview image
Implementation can be with are as follows:
By white balance algorithm, the corresponding color temperature value of rgb value of the current luminous environment of preview image is calculated.
In this embodiment, white balance is to describe one of white accuracy after the mixing of red, green, blue three primary colours generates to refer to
Mark, and white balance algorithm can be used to solve a series of problems of color rendition and tone processing.The common algorithm of white balance can
To include but is not limited to grey world, perfect inverse method and algorithm based on automatic threshold processing white balance etc..
Fig. 6 is referred to, Fig. 6 is the structural schematic diagram of another terminal disclosed by the embodiments of the present invention, wherein shown in Fig. 6
Terminal be to advanced optimize to obtain on the basis of terminal shown in Fig. 4, compared with terminal shown in Fig. 4, end shown in fig. 6
Other than holding all units in addition to including terminal shown in Fig. 4, terminal 400 shown in fig. 6 can also include:
Determination unit 403 determines the flash of light after adjusting for the corresponding relationship according to the colour temperature and white balance obtained in advance
The corresponding white balance value of the color temperature value of lamp.
In the embodiment of the present invention, under a variety of different light status, object color can change because throw light color generates
Become, the photo shot under the occasion of different light has different colour temperatures.In this respect, white object changes the brightest
Aobvious: indoors under tungsten light, white object may appear to shoot and under such illumination condition with crocus tone
Scenery will be partially yellow；But if being that can then have blue color under azure sky, be shot under such illumination condition
The scenery come can be partially blue.In order to reduce external light influence caused by color of object as far as possible, under the conditions of different colour temperatures
The original color of target subject can be restored, it is necessary to carry out colour correction, to reach correct color balance, this is known as
White balance adjusting.
As it can be seen that white balance adjusting is related to the utilization of the normal reduction and tone of color, it is believed that white balance is exactly color
The manager of temperature is determined and is adjusted accordingly, it is determined that unit 403 needs the corresponding relationship according to the colour temperature and white balance obtained in advance
The corresponding white balance value of the color temperature value of flash lamp afterwards.
In the embodiment of the present invention, the corresponding relationship can be it is pre- first pass through experimental calculation go out, or by user input
Operational order generate, the embodiment of the present invention is not construed as limiting.
Above-mentioned adjusting unit 402, is also used to according to white balance value, carries out white balance adjusting to preview image.
In the embodiment of the present invention, generally there are many modes for white balance, such as automatic white flat for adapting to different scene captures
Weighing apparatus, indoor white balance, manually adjusts tungsten light white balance, fluorescence white balance.Regardless of the white balance of which kind of mode, it has one
A corresponding white balance value.The corresponding white balance value of white balance mode that unit 402 can be selected according to user is adjusted, to preview
Image carries out white balance adjusting, so that the color of preview image obtains normal reduction, improves the effect of shooting photo, meets user
Esthetic requirement.
As an alternative embodiment, terminal 400 shown in fig. 6 can also include:
Receiving unit 404, under photographing mode, when flash lamp is in the open state, being obtained in acquiring unit 401
Before the color temperature value of the current luminous environment of preview image, photographing mode open command is received.
Opening unit 405 opens photographing mode for responding photographing mode open command.
In this embodiment, which can be the photographing mode open command for receiving user's input,
Such as: the photographing mode that user clicks terminal is released the button, alternatively, above-mentioned photographing mode open command can be terminal and give birth to automatically
At photographing mode open command, such as: in specific time automatically into the photographing mode open command of photographing mode.
As another optional embodiment, terminal 400 shown in fig. 6 can also include:
Output unit 406 should for exporting prompt information after receiving unit 404 receives photographing mode open command
Prompt information inputs information to be verified for prompting；
Above-mentioned receiving unit 404 is also used to receive the information to be verified for responding prompt information input；
Authentication unit 407, it is whether consistent with pre-set default verification information for verifying the information to be verified；
Above-mentioned opening unit 405 is specifically used for verifying the information to be verified and default verification information one when authentication unit 407
When cause, the photographing mode open command is responded, opens photographing mode.
In this embodiment, after receiving unit 404 receives photographing mode open command, output unit 406 will be defeated
It is used to prompt to input the prompt information of information to be verified out；And output unit 406 can be exported for inputting information to be verified
Information input mouth to be verified.
In this embodiment, the information to be verified may include but be not limited to password to be verified, finger print information to be verified, to
Verify shape of face information, iris information to be verified, in retinal information to be verified and voiceprint to be verified any one or
Several combinations.
In this embodiment, which may include but be not limited to default verifying password, pre-
If verifying finger print information, presetting and verify shape of face information, default verifying iris information, preset to verify retinal information and preset and test
Demonstrate,prove any one or the combination of several of them in voiceprint.
Optionally, in this embodiment, above-mentioned default verification information may include fingerprint string information and each
Fingerprint corresponding input time；So correspondingly, whether consistent with default verification information authentication unit 407 verifies information to be verified
It may comprise steps of:
Verify whether fingerprint string is identical as the fingerprint string that default verification information includes, and the input time of identical fingerprints
Whether difference is respectively less than preset value, if verifying fingerprint string is identical as the fingerprint string that default verification information includes, and identical finger
The difference of the input time of line is respectively less than preset value, then it is consistent with default verification information to verify information to be verified；Conversely,
It verifies information to be verified and default verification information is inconsistent.Wherein, by implementing the embodiment, it can prevent illegal user from existing
Photographing mode is opened in terminal, is operated wantonly so as to be effectively prevented terminal by illegal user.
Optionally, in this embodiment, above-mentioned default verification information may include that encrypted message and biological information (refer to
The combination of any one or more of line information, shape of face information, iris information, retinal information and voiceprint), then phase
Ying Di, authentication unit 407 verify whether information to be verified is consistent with default verification information to may comprise steps of:
Whether the encrypted message and preset encrypted message of verifying input are identical, when the encrypted message for verifying input and preset
Encrypted message it is identical when, whether biological information and the preset biological information for verifying input identical, if verifying input life
Object information is identical as preset biological information, then it is consistent with default verification information to verify information to be verified；Conversely, verifying
Information to be verified and default verification information are inconsistent.Wherein, by implementing the embodiment, invalid user stealing can be prevented close
Code information opens photographing mode, operates wantonly so as to be effectively prevented terminal by illegal user.
In Fig. 4, Fig. 5 and terminal shown in fig. 6, acquiring unit 401 is opened under photographing mode when flash lamp is in
When state, the color temperature value of the current luminous environment of preview image is obtained, when the color temperature value that acquiring unit 401 is got is between high color temperature threshold
When between value and low color temperature threshold value, adjusting unit 402 and adjusting flash lamp is neutral color temperature flash lamp, wherein the high color temperature threshold value is big
In the low color temperature threshold value, and the color temperature value of neutral color temperature flash lamp is between the high color temperature threshold value and the low color temperature threshold value.It is logical
The embodiment of the present invention is crossed, when the colour temperature of the current luminous environment of preview image is normal color temperature, during the adjustable flash lamp of terminal is
Colour temperature flash lamp, so that the colour temperature of flash lamp and the colour temperature of current luminous environment are consistent, so as to improve effect of taking pictures.
It should be noted that for simple description, therefore, it is stated as a systems for each embodiment of the method above-mentioned
The combination of actions of column, but those skilled in the art should understand that, the application is not limited by the described action sequence, because
For according to the application, certain some step be can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, related movement and unit not necessarily this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, reference can be made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (15)
1. a kind of flash lamp color temperature adjusting method characterized by comprising
Receive photographing mode open command；
Prompt information is exported, the prompt information inputs information to be verified for prompting；
Receive the information to be verified for responding prompt information input；
Whether consistent with pre-set default verification information verify the information to be verified, comprising: verifying fingerprint string whether in advance
If the fingerprint string that verification information includes is identical, and whether the difference of the input time of identical fingerprints is respectively less than preset value, if
It is identical as the fingerprint string that default verification information includes to verify fingerprint string, and the difference of the input time of identical fingerprints is respectively less than pre-
If value, then it is consistent with default verification information to verify information to be verified；
If it is consistent with default verification information to verify the information to be verified, the photographing mode open command is responded, opens mould of taking pictures
Formula；
Under photographing mode, when flash lamp is in the open state, the color temperature value of the current luminous environment of preview image is obtained；
Select the flash lamp of corresponding colour temperature according to the color temperature value of the current luminous environment, if the color temperature value got between
Between high color temperature threshold value and low color temperature threshold value, select flash lamp for neutral color temperature flash lamp, wherein the high color temperature threshold value is greater than institute
State low color temperature threshold value, and the color temperature value of the neutral color temperature flash lamp between the high color temperature threshold value and the low color temperature threshold value it
Between；Wherein, the color temperature value of the high color temperature is greater than or equal to 5000K, and the color temperature value of the low color temperature is less than or equal to 3100K,
The color temperature value of neutral color temperature is greater than 3100K and is less than 5000K.
2. the method according to claim 1, wherein the method also includes:
If the color temperature value got is greater than or equal to the high color temperature threshold value, select flash lamp for high color temperature flash lamp,
In, the color temperature value of the high color temperature flash lamp is greater than or equal to the high color temperature threshold value.
3. the method according to claim 1, wherein the method also includes:
If the color temperature value got is less than or equal to the low color temperature threshold value, select flash lamp for low color temperature flash lamp,
In, the color temperature value of the low color temperature flash lamp is less than or equal to the low color temperature threshold value.
4. the method according to claim 1, wherein it is described obtain the current luminous environment of preview image color temperature value,
Include:
Obtain the rgb value of the current luminous environment of preview image；
Determine the corresponding color temperature value of rgb value of the current luminous environment of the preview image.
5. according to the method described in claim 4, it is characterized in that, the RGB of the current luminous environment of the determination preview image
It is worth corresponding color temperature value, comprising:
According to the mapping relations of the RGB and colour temperature that obtain in advance, the current light of the preview image is selected from the mapping relations
The corresponding color temperature value of the rgb value of environment.
6. according to the method described in claim 4, it is characterized in that, the RGB of the current luminous environment of the determination preview image
It is worth corresponding color temperature value, comprising:
By white balance algorithm, the corresponding color temperature value of rgb value of the current luminous environment of the preview image is calculated.
7. described in any item methods according to claim 1~6, which is characterized in that the method also includes:
According to the corresponding relationship of the colour temperature and white balance that obtain in advance, determine that the color temperature value of the flash lamp after adjusting is corresponding white flat
Weighing apparatus value；
According to the white balance value, white balance adjusting is carried out to the preview image.
8. a kind of terminal characterized by comprising
Receiving unit, for receiving photographing mode open command；
Output unit, for after receiving unit receives photographing mode open command, exporting prompt information, which is used
Information to be verified is inputted in prompt；
The receiving unit is also used to receive the information to be verified for responding prompt information input；
Authentication unit, it is whether consistent with pre-set default verification information for verifying the information to be verified, comprising: verifying refers to
Whether line string is identical as the fingerprint string that default verification information includes, and whether the difference of the input time of identical fingerprints is respectively less than
Preset value, if verifying fingerprint string is identical as the fingerprint string that default verification information includes, and the input time of identical fingerprints
Difference is respectively less than preset value, then it is consistent with default verification information to verify information to be verified；
Opening unit, for when authentication unit verify the information to be verified it is consistent with default verification information when, respond photographing mode
Open command opens photographing mode；
Acquiring unit, for when flash lamp is in the open state, obtaining the current luminous environment of preview image under photographing mode
Color temperature value；
Unit is adjusted, for selecting the flash lamp of corresponding colour temperature according to the color temperature value of the current luminous environment, when the acquisition
When the color temperature value that unit is got is between high color temperature threshold value and low color temperature threshold value, select flash lamp for neutral color temperature flash of light
Lamp, wherein the high color temperature threshold value is greater than the low color temperature threshold value, and the color temperature value of the neutral color temperature flash lamp is between described
Between high color temperature threshold value and the low color temperature threshold value；Wherein, the color temperature value of the high color temperature is greater than or equal to 5000K, described low
The color temperature value of colour temperature is less than or equal to 3100K, and the color temperature value of neutral color temperature is greater than 3100K and is less than 5000K.
9. terminal according to claim 8, which is characterized in that the adjusting unit is also used to obtain when the acquiring unit
When the color temperature value arrived is greater than or equal to the high color temperature threshold value, select flash lamp for high color temperature flash lamp, wherein the height
The color temperature value of colour temperature flash lamp is greater than or equal to the high color temperature threshold value.
10. terminal according to claim 8, which is characterized in that the adjusting unit is also used to obtain when the acquiring unit
When the color temperature value got is less than or equal to the low color temperature threshold value, select flash lamp for low color temperature flash lamp, wherein described
The color temperature value of low color temperature flash lamp is less than or equal to the low color temperature threshold value.
11. terminal according to claim 8, which is characterized in that the acquiring unit includes:
Subelement is obtained, for obtaining the rgb value of the current luminous environment of preview image；
Subelement is determined, for determining the corresponding color temperature value of rgb value of the current luminous environment of the preview image.
12. terminal according to claim 11, which is characterized in that the determining subelement is specifically used for according to acquisition in advance
RGB and colour temperature mapping relations, select the rgb value of the current luminous environment of the preview image corresponding from the mapping relations
Color temperature value.
13. terminal according to claim 11, which is characterized in that the determining subelement is specifically used for calculating by white balance
Method calculates the corresponding color temperature value of rgb value of the current luminous environment of the preview image.
14. according to the described in any item terminals of claim 8~13, which is characterized in that the terminal further include:
Determination unit determines the color of the flash lamp after adjusting for the corresponding relationship according to the colour temperature and white balance obtained in advance
The corresponding white balance value of temperature value；
The adjusting unit, is also used to according to the white balance value, carries out white balance adjusting to the preview image.
15. a kind of computer readable storage medium, which is characterized in that be stored with program in the computer readable storage medium and refer to
It enables, described program is instructed for executing the method according to claim 1 to 7 after calling for computer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105391831B (en) * | 2015-12-08 | 2018-06-05 | 深圳天珑无线科技有限公司 | Mobile terminal and the method for calibrating color effect of taking pictures |
| CN105704467B (en) * | 2016-01-22 | 2017-06-23 | 贵阳海信电子有限公司 | A kind of white balance adjustment method and device for large-size screen monitors LCM images |
| CN106101569A (en) * | 2016-08-22 | 2016-11-09 | 维沃移动通信有限公司 | A kind of method of light filling of taking pictures and mobile terminal |
| CN107846550B (en) * | 2016-09-21 | 2020-05-08 | 杭州海康威视数字技术股份有限公司 | Illumination range adjusting method and system, light supplementing device and electronic device |
| CN106370398B (en) * | 2016-09-23 | 2019-02-22 | 北京小米移动软件有限公司 | Flash lamp acceptance method and device |
| CN109286808A (en) * | 2017-07-21 | 2019-01-29 | 北京小米移动软件有限公司 | White balance calibration method and device |
| CN108229372B (en) * | 2017-12-29 | 2021-08-10 | 努比亚技术有限公司 | Fingerprint identification method, mobile terminal and computer readable storage medium |
| CN111050162B (en) * | 2019-12-27 | 2022-07-29 | 深圳Tcl新技术有限公司 | Color temperature test method, device, equipment and computer readable storage medium |
| CN111182217B (en) * | 2020-01-07 | 2021-08-10 | 上海海鸥数码照相机有限公司 | Image white balance processing method and device |
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| CN201163831Y (en) * | 2008-02-01 | 2008-12-10 | 华晶科技股份有限公司 | Flashing module of electronic device |
| CN103686100A (en) * | 2012-09-24 | 2014-03-26 | 宏达国际电子股份有限公司 | Mobile communication apparatus and flashlight controlling method |
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