CN106128414B - Control method, control device and electronic device - Google Patents
Control method, control device and electronic device Download PDFInfo
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- CN106128414B CN106128414B CN201610506513.9A CN201610506513A CN106128414B CN 106128414 B CN106128414 B CN 106128414B CN 201610506513 A CN201610506513 A CN 201610506513A CN 106128414 B CN106128414 B CN 106128414B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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Abstract
The invention discloses a kind of control methods, for controlling the brightness of display screen of electronic device, electronic device includes first camera module and second camera module not ipsilateral positioned at electronic device, control method includes: that the first camera module of control is taken pictures to obtain first environment image, and the second camera module of control is taken pictures to obtain second environment image；The first average brightness of environment is calculated according to first environment image, and the second average brightness of environment is calculated according to second environment image；Compare the first average brightness and the second average brightness；Brightness of display screen is adjusted according to the greater in the first average brightness and the second average brightness.In this way, obtaining ambient image from different angles and multiple ambient brightness being calculated, by comparing more reasonable, the objective ambient brightness of acquisition, and the brightness of display screen that ambient brightness is adjusted accordingly facilitates eyeshield because being consistent with ambient brightness.The invention also discloses a kind of control device and electronic devices.
Description
Technical field
The present invention relates to shooting technology, in particular to a kind of control method, control device and electronic device.
Background technique
The electronic devices such as existing mobile phone are general only to sense ambient brightness from one direction, such as from one where display screen
Side, further according to ambient brightness automatic adjustment screen intensity to protect eyes.However, being influenced to easily lead to environment by mobile phone orientation
Brightness measurement is inaccurate, for example, light generally irradiates from up to down, therefore, the ambient brightness measured when mobile phone flat pendulum is upward is most
Greatly, and flat pendulum it is downward when while lying down using mobile phone (such as user) ambient brightness screen intensity that is minimum, therefore adjusting for measuring
Be not suitable for current environment to use, eyes may be damaged.
Summary of the invention
Embodiments of the present invention aim to solve at least one of the technical problems existing in the prior art.For this purpose, of the invention
Embodiment need to provide a kind of control method, control device and electronic device.
The present invention provides a kind of control methods, for controlling the brightness of display screen of electronic device, the electronic device packet
The first camera module and the second camera module are included, first camera module and second camera module are located at electronics dress
That sets is not ipsilateral；The control method includes:
Rate-determining steps control first camera module and take pictures to obtain first environment image, and control described second is taken the photograph
As mould group is taken pictures to obtain second environment image；
Step is calculated, the first average brightness of environment is calculated according to the first environment image, and according to second ring
Second average brightness of border image calculating environment；
Compare first average brightness and second average brightness；
The brightness of display screen is adjusted according to the greater in first average brightness and second average brightness.
The control method of embodiment of the present invention obtains ambient image from different angles and that multiple environment are calculated is bright
Degree, by comparing obtaining more reasonable, objective ambient brightness, and the brightness of display screen adjusted according to the ambient brightness because with environment
Brightness is consistent and facilitates eyeshield.Further, since the first camera module and the second camera module are all camera module, first is average
The acquisition process and calculation method of brightness and the second average brightness are also similar, therefore the first average brightness and the second average brightness have
Preferable comparativity.It can solve the problems, such as that the prior art is certain.
In some embodiments, the control method includes:
It is inputted according to user and triggers the rate-determining steps.
In some embodiments, the first camera module setting is identical as the display screen on said electronic device
Side, second camera module setting side opposite with the display screen on said electronic device.
In some embodiments, the electronic device further includes aspect sensor, and the aspect sensor is for sensing
The direction of the display screen；The control method includes:
Calculate the display screen towards amplitude of variation；And
Judge described whether be greater than predetermined amplitude towards amplitude of variation and trigger the rate-determining steps when being judged as YES.
In some embodiments, the first environment image and second environment image are rgb format；The brightness calculation
Step includes:
HSL format is converted by the first environment image and the second environment image；
The average value of the brightness value of each pixel in the first environment image is calculated to obtain first average brightness,
And the average value of the brightness value of each pixel in the second environment image is calculated to obtain second average brightness.
In some embodiments, the first environment image includes continuous multiple frames, and the second environment image includes connecting
Continuous multiframe, the intensity calculating step include:
The first average brightness value of first environment image described in every frame is calculated, and calculates second environment image described in every frame
Second average brightness value；And
Calculate the average value of first average brightness value and as first average brightness, and to calculate described second flat
The average value of equal brightness value and as second average brightness.
The present invention also provides a kind of control devices, for controlling the brightness of display screen of electronic device, the electronic device
Including the first camera module and the second camera module, first camera module and second camera module are located at the electronics
Device it is not ipsilateral；The control device includes:
Control module is taken pictures for controlling first camera module to obtain first environment image, and control described the
Two camera modules are taken pictures to obtain second environment image；
Computing module, for calculating the first average brightness of environment according to the first environment image, and according to described the
Second average brightness of two ambient images calculating environment；
Comparison module is used for first average brightness and second average brightness；And
Adjustment module, for according to the biggish adjusting in first average brightness and second average brightness
Brightness of display screen.
In some embodiments, the control device includes:
Input module triggers the control module for inputting according to user.
In some embodiments, the first camera module setting is identical as the display screen on said electronic device
Side, second camera module setting side opposite with the display screen on said electronic device.
In some embodiments, the electronic device further includes aspect sensor, and the aspect sensor is for sensing
The direction of the display screen；The control device includes:
Magnitude computation module, for calculate the display screen towards amplitude of variation；
Amplitude judgment module, for judging described whether be greater than predetermined amplitude and the touching when being judged as YES towards amplitude of variation
Send out control module described.
In some embodiments, the first environment image and second environment image are rgb format；The brightness calculation
Module includes:
Submodule is converted, for converting HSL format for the first environment image and the second environment image；
First computational submodule, for calculating the average value of the brightness value of each pixel in the first environment image to obtain
Into first average brightness, and the calculating second environment image, the average value of the brightness value of each pixel is described to obtain
Second average brightness.
In some embodiments, the first environment image includes continuous multiple frames, and the second environment image includes connecting
Continuous multiframe, the brightness calculation module include:
Second computational submodule, for calculating the first average brightness value of first environment image described in every frame, and based on
Calculate the second average brightness value of second environment image described in every frame；And
Third computational submodule, for calculating the average value of first average brightness value and being averaged as described first bright
Degree, and average value for calculating second average brightness value and as second average brightness.
In some embodiments, the electronic device includes mobile phone or tablet computer.
The present invention also provides a kind of electronic devices comprising the first camera module, the second camera module and above-mentioned embodiment party
Control device described in formula.
The additional aspect and advantage of embodiments of the present invention will be set forth in part in the description, partially will be from following
Description in become obvious, or the practice of embodiment through the invention is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of embodiments of the present invention are from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that in description, in which:
Fig. 1 is the flow diagram of the control method of certain embodiments of the present invention.
Fig. 2 is the electronic device of certain embodiments of the present invention and the functional block diagram of control device.
Fig. 3 is the schematic illustration of the control method of certain embodiments of the present invention.
Fig. 4 is the flow diagram of the control method of certain embodiments of the present invention.
Fig. 5 is the electronic device of certain embodiments of the present invention and the functional block diagram of control device.
Fig. 6 is the flow diagram of the control method of certain embodiments of the present invention.
Fig. 7 is the electronic device of certain embodiments of the present invention and the functional block diagram of control device.
Fig. 8 is the schematic illustration of the control method of certain embodiments of the present invention.
Fig. 9 is the flow diagram of the control method of certain embodiments of the present invention.
Figure 10 is the electronic device of certain embodiments of the present invention and the functional block diagram of control device.
Figure 11 is the flow diagram of the control method of certain embodiments of the present invention.
Figure 12 is the electronic device of certain embodiments of the present invention and the functional block diagram of control device.
Figure 13 is the schematic illustration of the control method of certain embodiments of the present invention.
Figure 14 is the schematic diagram in kind of the electronic device of certain embodiments of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical or class
As label indicate same or similar element or element with the same or similar functions from beginning to end.Below with reference to attached
The embodiment of figure description is exemplary, and can only be used to explain embodiments of the present invention, and should not be understood as to the present invention
Embodiment limitation.
Fig. 1-3 is please referred to, the control method of embodiment of the present invention can be used for controlling the brightness of display screen of electronic device,
Electronic device may include the first camera module and the second camera module, and the first camera module and the second camera module are located at electronics dress
That sets is not ipsilateral；Control method can include:
S01, the first camera module 170 of control is taken pictures to obtain first environment image, and the second camera module 180 of control is clapped
According to obtain second environment image；
S02 calculates the first average brightness of environment according to first environment image, and calculates environment according to second environment image
The second average brightness；
S03 compares the first average brightness and the second average brightness；And
S04 adjusts 130 brightness of display screen according to the greater in the first average brightness and the second average brightness.
Referring to Fig. 2, the control method of embodiment of the present invention can be real by the control device 110 of embodiment of the present invention
It is existing.Control device 110 may include control module 111, computing module 112, comparison module 113, adjustment module 114, can successively divide
It not can be used for realizing S01, S02, S03, S04 in control method.
The control method of embodiment of the present invention can be known as to intelligent regulatory function.Figure 14 is please referred to, the present invention is real
The control device 110 for applying mode can should can be used for the electronic device 100 of embodiment of the present invention.In some embodiments, electric
Sub-device 100 may include mobile phone or tablet computer.Electronic device 100 may include light sensor 150, display screen 130, first take the photograph
As mould group 170 and the second camera module 180.
The electronic devices such as existing mobile phone 100 are general only to sense ambient brightness from one direction, such as where display screen 130
Side be arranged light sensor 150, ambient brightness is sensed, further according to ambient brightness automatic adjustment screen intensity to protect
Eyeshield eyeball.However, it is inaccurate to be influenced to easily lead to ambient brightness measurement by mobile phone orientation, for example, light generally from up to down according to
It penetrates, therefore, the ambient brightness that measures when mobile phone flat pendulum is upward is maximum, and when flat pendulum is downward (such as user lies down using mobile phone
When) ambient brightness that measures is minimum, therefore the screen intensity adjusted is not suitable for current environment and uses, and may damage eyes.
In the control method of embodiment of the present invention, electronic device 100 has the first camera module 170 simultaneously and second takes the photograph
As mould group 180, and they are located at the not ipsilateral of electronic device 100, such as the first camera module 170 is located at positive (display screen 130
The one side at place), and the second camera module 180 is located at the back side or side.It is clapped by the two camera modules of electronic device 100
It takes the photograph to obtain ambient image, i.e. first environment image and second environment image respectively, then it is calculated to obtain first respectively
Average brightness and the second average brightness.Since the second camera module 180 and the first camera module 170 are located at not ipsilateral, second is taken the photograph
It shines as the corresponding average brightness of mould group 180 and the corresponding ambient brightness of the first camera module 170 respectively represent different directions
Light intensity.
Then ambient brightness and average brightness are compared, and select that wherein brighter value as foundation to adjust
130 brightness of display screen.Such as using the value as 130 brightness of display screen or by the value plus or minus a predetermined luminance difference,
Or multiplied by a pre-determined factor as 130 brightness of display screen.
It is appreciated that using to the brightness value of light sensing as adjusting 130 brightness of display screen according to more reasonable.Because of people
The size of the pupil of eye is the overall brightness in the visual field according to people rather than the shadow region of backlight.And the brightness in the visual field compared with
Gao Shi, the myosis of people, if will lead at this time using the brightness value that backlight senses as the foundation for adjusting 130 brightness of display screen
For the pupil reduced, 130 too dark brightness of display screen, to keep user experience bad.
The control method of embodiment of the present invention obtains ambient image from different angles and that multiple environment are calculated is bright
Degree, by comparing obtaining more reasonable, objective ambient brightness, and 130 brightness of display screen adjusted according to the ambient brightness because with
Ambient brightness is consistent and facilitates eyeshield.Further, since the first camera module 170 and the second camera module 180 are all camera shooting mould
Group, the acquisition process and calculation method of the first average brightness and the second average brightness are also similar, therefore the first average brightness and
Two average brightness have preferable comparativity.
Referring to Fig. 3, and in embodiment of the present invention, the first camera module 170 and the second camera module 180 are respectively never
With angle acquisition luminance information and respectively obtain ambient brightness and average brightness the two amounts.Which value of the two amounts is higher,
Which just can more reflect that the true brightness of environment is horizontal, thus can as the foundation for adjusting 130 brightness of display screen, thus
Promote user experience.Such as in Fig. 3, the second camera module 180 is to light side, the backlight side of the first camera module 170, therefore with
The average brightness that second camera module 180 obtains is the foundation for adjusting 130 brightness of display screen.
In some embodiments, the setting of the first camera module 170 is identical with display screen 130 on electronic device 100
Side opposite with display screen 130 on electronic device 100 is arranged in side, the second camera module 180.
In this way, can just make the second camera module 180 to light in the first 170 backlight of camera module；Or it is taken the photograph second
When as 180 backlight of mould group, 150 first camera module 170 of light sensor is to light, from without light sensor 150 the
One camera module 170 and the second camera module 180 simultaneously backlight the case where, keep sensing result more objective.Under normal circumstances, hand
Front camera is located at side identical with display screen 130, i.e. the first camera module 170 on machine or tablet computer, and be located at
Second camera module 180 of the opposite side of display screen 130 is rear camera.
Fig. 4-5 is please referred to, in some embodiments, control method can comprise the following steps that
S05 inputs triggering S01 according to user.
S05 can realize that is, input module 1151 can be used for defeated according to user by the input module 1151 of certain embodiments
Enter trigger control module 111.
For example, user is not in due course in the brightness for feeling display screen 130, it can click and represent intelligence to adjust display screen 130 bright
The virtual key of degree, so that S01 is triggered, to carry out each step of the control method of embodiment of the present invention, thus realization pair
The intelligence of 130 brightness of display screen is adjusted.In this way, can preferably meet the use demand of user.
Fig. 6-8 is please referred to, in some embodiments, electronic device 100 may also include aspect sensor, aspect sensor
It can be used for sensing the direction of display screen 130；Control method can include:
S06, calculate display screen 130 towards amplitude of variation；
S07 judges whether to be greater than predetermined amplitude towards amplitude of variation and triggers S01 when being judged as YES.
In some embodiments, control device 110 may include magnitude computation module 116 and amplitude judgment module 117, divide
It not can be used for realizing S06 and S07.That is, magnitude computation module 116 can be used for calculating the direction variation width of display screen 130
Degree, amplitude judgment module 117 can be used for judging whether being greater than towards amplitude of variation predetermined amplitude and trigger control when being judged as YES
Molding block 111.
Fig. 8 is please referred to, the light biography that can be used for sensing ambient brightness is installed extensively in the electronic devices such as mobile phone 100
Sensor 150, and it is generally seated in the side where display screen 130.Display screen 130 is according to light sensor 150 in general
Ambient brightness automatic adjustment 130 brightness of display screen sensed.
Cause light sensor 150 towards changing when the modes of emplacement of electronic device 100 changes, such as electronics
Device 100 by lay flat switch to place vertically and (be picked up from desktop) or light sensor 150 with electronic device 100 overturning °, by facing forward
Switch to backwards.When the light sensor 150 of electronic device 100 is towards when changing, light situation is it can also happen that become
Change.For example, script light sensor 150 is towards light source, after electronic device 100 is overturn, 150 backlight of light sensor is led
Cause cannot detect true, objective ambient brightness.
Therefore, in the display screen 130 of electronic device 100 towards when changing, i.e. the direction of light sensor 150 occurs
When variation, it can trigger each step of the control method of embodiment of the present invention, that is, trigger first and second camera module 180 and take pictures
And it selects higher as the foundation for adjusting 130 brightness of display screen in ambient brightness and average brightness.In this way, can with a definite target in view
Two camera modules are triggered, to keep control more intelligent and energy saving.
Optimally, it can determine whether size of the light sensor 150 towards amplitude of variation.Gyroscope in electronic device 100 or
The sensing devices such as gravity sensor can realize the sensing to 100 rotational steps of electronic device, convert sensing result to and light
Towards the angle change value of normal in the same direction, which can be used as towards amplitude of variation sensor 150.In this embodiment party
In formula, for example, settable when angle change value is greater than 45 °, i.e. trigger control method.
In some embodiments, electronic device 100 may include the light sensor 150 that can be used for obtaining ambient brightness,
Electronic device 100 may also include aspect sensor, and aspect sensor can be used for the direction of light sensing sensor 150；Controlling party
Method can comprise the following steps that
Judge whether the direction of light sensor 150 is downward；And
Light sensor 150 towards it is downward when trigger S01.
Figure 11 is please referred to, under normal circumstances, the top (such as outdoor sun, indoor lamp) positioned at space of light source,
If therefore light sensor 150 is towards downward, the probability of backlight is larger, and the ambient brightness detected in the case of backlight is inadequate
Objective, therefore trigger to carry out the intelligent regulatory function of the control method of embodiment of the present invention, by display screen 130
Suitable value is transferred in brightness.
Figure 13 is please referred to, general light sensor 150 is located at the same side with display screen 130, if therefore light level
Device 150 and display screen 130 are downward, it may be possible to which user watches Mobile phone screen in the state of reclining, lying low or looking up at, at this time also preferably
The intelligent regulatory function of the control method of embodiment of the present invention is triggered to protect eyes of user.Optimally, it can detect light to pass
The direction and the angle of vertical line vector vertically downward of sensor 150 all think direction when angle is less than certain value (such as 45 °)
It is downward, such as the angle in Figure 13 is 20 °, less than 45 °, is considered being oriented downwards.In this way, more meeting user uses electronics
Actual conditions when device 100 promote user experience.
In some embodiments, electronic device 100 may include the light sensor 150 that can be used for obtaining ambient brightness,
Electronic device 100 may also include aspect sensor and global positioning system, and aspect sensor can be used for light sensing sensor 150
Direction；Control method can comprise the following steps that
Judge whether the direction of light sensor 150 is downward；
Judged whether it is in the case where the direction of light sensor 150 is downward according to the system time of electronic device 100
Daytime；
Fine day is judged whether it is according to local weather information for daytime；
Then judged whether outdoors according to global positioning system for fine day；
S01 is triggered in the case where outdoors.
In the present embodiment, the triggering of S01 needs more conditions.If the direction of light sensor 150 is downwards, also not
It is enough to illustrate 150 backlight of light sensor.The condition of 150 backlight of light sensor may also include that daytime, fine day, and be open air,
These three conditions are indispensable, if such as daytime, fine day just indoors will not backlight；If fine day and outdoors, but time
It is also just not necessarily backlight at night.Therefore these conditions of comprehensive detection, to obtain more accurately judging, to make brightness tune
Section is more intelligent, more energy efficient, is conducive to promote user experience.
Wherein, daytime can determine whether according to system time, may also be combined with system data and longitude and latitude etc., such as the Northern Hemisphere
Temperate zone somewhere, summer with regard to long, may still belong to daytime at 7 points in evening, and to winter, it just can be considered at 5 points in afternoon into evening
It is upper.It can judge whether weather is fine day according to the weather information of networking.It can be judged whether according to global positioning system (GPS)
Open air, such as street, square etc. belong to outdoor, and office building, unit building etc. belong to interior, so as to carry out rough judgement.
In some embodiments, electronic device 100 may include the light sensor 150 that can be used for obtaining ambient brightness,
Electronic device 100 may also include aspect sensor and global positioning system, and aspect sensor can be used for light sensing sensor 150
Direction；Control method can comprise the following steps that
Judge whether the direction of light sensor 150 is downward；
Judged whether it is in the case where the direction of light sensor 150 is downward according to the system time of electronic device 100
At night；
Then judged whether indoors according to global positioning system for evening；
S01 is triggered in for indoor situation.
In present embodiment, under the premise of light sensor 150 is directed downwardly, the condition of judgement is also needed can include: at night,
It is indoor.It is appreciated that at night and indoors, generally have lamp as light source, and if light sensor 150 is downward, easy backlight.Therefore
The two conditions of comprehensive detection, to keep brightness regulation more intelligent, more energy efficient, are conducive to be promoted to obtain more accurately judging
User experience.
In some embodiments, electronic device 100 may include the light sensor 150 that can be used for obtaining ambient brightness,
Control method can comprise the following steps that
Calculate the fall of ambient brightness；And
Judge whether fall is greater than predetermined amplitude；
S01 is triggered in the case where fall is greater than predetermined amplitude.
That is, if when the unexpected sharp fall of the ambient brightness that detects of light sensor 150, it may be possible to due to
The placement of electronic device 100 is changed, and backlight etc. is resulted in, and triggers intelligent regulative mode at this time.In this way, adjusting can be promoted
Intelligence degree, promoted user experience.
Fig. 9-10 is please referred to, in some embodiments, ambient image is rgb format；S02 can include:
First environment image and second environment image are converted HSL format by S0201；And
S0202 calculates the average value of the brightness value of each pixel in first environment image to obtain the first average brightness, and
The average value of the brightness value of each pixel in second environment image is calculated to obtain the second average brightness.
S0201, S0202 can calculate son by the conversion submodule 1121 of the control device 110 of certain embodiments and first
Module 1122 is realized.That is, conversion submodule 1121 can be used for converting ambient image to HSL format.First calculates son
Module 1122 can be used for calculating the average value of the brightness value of each pixel in first environment image to obtain the first average brightness, and
It can be used for calculating the average value of the brightness value of each pixel in second environment image to obtain the second average brightness.
HSL is a kind of color standard of industry, is by logical to three form and aspect (H), saturation degree (S), lightness (L) colors
The variation in road and their mutual superpositions are to obtain miscellaneous color.The unprocessed form of general environment image is
GRB format is translated into HSL format, to conveniently obtain the brightness value of each pixel, i.e. lightness (L).And then facilitate calculating the
One average brightness and the second average brightness.
Figure 11-12 is please referred to, in some embodiments, first environment image may include continuous multiple frames, second environment figure
As may include continuous multiple frames, intensity calculating step can include:
S0203, calculates the first average brightness value of every frame first environment image, and calculates the of every frame second environment image
Two average brightness values；
S0204 calculates the average value of the first average brightness value and as the first average brightness, and the second average brightness of calculating
The average value of value and as the second average brightness.
S0201, S0202 can be by the second computational submodules 1123 and third meter of the control device 110 of certain embodiments
Operator module 1124 is realized.That is, the second computational submodule 1123 can be used for calculating the first of every frame first environment image
Average brightness value, and can be used for calculating the second average brightness value of every frame second environment image.Third computational submodule 1124 can
For calculating the average value of the first average brightness value and as the first average brightness, and it can be used for calculating the second average brightness value
Average value and as the second average brightness.
Due to shoot single image, it is possible to because fortuitous event causes the brightness of image untrue objective, for example, finger or
Other articles have accidentally blocked camera module, or since shake leads to image fault etc..Therefore can shoot multi-frame images, ask
The average value of the average brightness value of every frame image is as average brightness.Further, it can be screened in multiple image, such as
The too high or too low image of Trimmed mean brightness value (is likely to be caused by above-mentioned fortuitous event), then is calculated and put down with remaining image
Equal brightness.
Fig. 2 is please referred to, the present invention also provides a kind of electronic devices 100, it may include the first camera module 170, second
Camera module 180 and the control device of above embodiment 110.
Other parts undeployed, see pair of embodiment of above in the electronic device 100 of embodiment of the present invention
The corresponding part of burnt control device 110 and imaging control apparatus 110, is no longer developed in details herein.
In the description of embodiments of the present invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length
Degree ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The orientation or positional relationship of the instructions such as "outside", " clockwise ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, only
It is embodiments of the present invention and simplified description for ease of description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to embodiments of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or imply
Indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or impliedly wrap
Include one or more feature.In the description of embodiments of the present invention, the meaning of " plurality " is two or two
More than, unless otherwise specifically defined.
In the description of embodiments of the present invention, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For ability
For the those of ordinary skill in domain, can understand as the case may be above-mentioned term in embodiments of the present invention specifically contain
Justice.
In embodiments of the present invention unless specifically defined or limited otherwise, fisrt feature second feature it
"upper" or "lower" may include that the first and second features directly contact, may include the first and second features be not directly to connect yet
It touches but by the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " on
Face " includes fisrt feature right above second feature and oblique upper, or to be merely representative of first feature horizontal height special higher than second
Sign.Fisrt feature under the second feature " below ", " below " and " below " include fisrt feature right above second feature and tiltedly on
Side, or first feature horizontal height is merely representative of less than second feature.
Following disclosure provides many different embodiments or example is used to realize embodiments of the present invention not
Same structure.In order to simplify the disclosure of embodiments of the present invention, hereinafter the component of specific examples and setting are described.When
So, they are merely examples, and is not intended to limit the present invention.In addition, embodiments of the present invention can be in different examples
Repeat reference numerals and/or reference letter in son, this repetition are for purposes of simplicity and clarity, itself not indicate to be begged for
By the relationship between various embodiments and/or setting.In addition, the various specific techniques that embodiments of the present invention provide
With the example of material, but those of ordinary skill in the art may be aware that the application of other techniques and/or other materials make
With.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", specific examples or " some examples " etc. means the tool described in conjunction with the embodiment or example
Body characteristics, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification,
Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of embodiments of the present invention can be with hardware, software, firmware or their combination come real
It is existing.In the above-described embodiment, multiple steps or method can be with storages in memory and by suitable instruction execution system
The software or firmware of execution is realized.For example, if realized with hardware, in another embodiment, ability can be used
Any one of following technology or their combination well known to domain is realized: being had for realizing logic function to data-signal
The discrete logic of logic gates, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array
(PGA), field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in various embodiments of the present invention can integrate in a processor
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (14)
1. a kind of control method, for controlling the brightness of display screen of electronic device, which is characterized in that the electronic device includes the
One camera module and the second camera module, first camera module and second camera module are located at the electronic device
It is not ipsilateral；The control method includes:
Rate-determining steps control first camera module and take pictures to obtain first environment image, and control the second camera shooting mould
Group is taken pictures to obtain second environment image；
Step is calculated, the first average brightness of environment is calculated according to the first environment image, and according to the second environment figure
The second average brightness as calculating environment；
Compare first average brightness and second average brightness；
The brightness of display screen is adjusted according to the greater in first average brightness and second average brightness；
The electronic device further includes the light sensor, aspect sensor and global positioning system for obtaining ambient brightness,
The aspect sensor is used to sense the direction of the light sensor；The control method comprising steps of
Judge whether the direction of the light sensor is downward；
Judge whether it is late according to the system time of the electronic device in the case where the direction of the light sensor is downward
On；
Then judged whether indoors according to the global positioning system for evening；
In for indoor situation, the rate-determining steps are triggered.
2. control method as described in claim 1, which is characterized in that the control method includes:
In for indoor situation, is inputted according to user and trigger the rate-determining steps.
3. control method as described in claim 1, which is characterized in that first camera module is arranged in the electronic device
Upper side identical with the display screen, the second camera module setting are opposite with the display screen on said electronic device
Side.
4. control method as claimed in claim 3, which is characterized in that the aspect sensor is also used to sense the display screen
Direction；The control method includes:
Calculate the display screen towards amplitude of variation；And
Judge described whether be greater than predetermined amplitude towards amplitude of variation and trigger the rate-determining steps when being judged as YES.
5. control method as described in claim 1, which is characterized in that the first environment image and second environment image are
Rgb format；The calculating step includes:
HSL format is converted by the first environment image and the second environment image；
The average value of the brightness value of each pixel in the first environment image is calculated to obtain first average brightness, and meter
The average value of the brightness value of each pixel in the second environment image is calculated to obtain second average brightness.
6. control method as described in claim 1, which is characterized in that the first environment image includes continuous multiple frames, described
Second environment image includes continuous multiple frames, and the calculating step includes:
The first average brightness value of first environment image described in every frame is calculated, and calculates second of second environment image described in every frame
Average brightness value；And
Calculate the average value of first average brightness value and as first average brightness, and to calculate described second average bright
The average value of angle value and as second average brightness.
7. a kind of control device, for controlling the brightness of display screen of electronic device, which is characterized in that the electronic device includes the
One camera module and the second camera module, first camera module and second camera module are located at the electronic device
It is not ipsilateral；The control device includes:
Control module is taken pictures for controlling first camera module to obtain first environment image, and control described second is taken the photograph
As mould group is taken pictures to obtain second environment image；
Computing module, for the first average brightness according to first environment image calculating environment, and according to second ring
Second average brightness of border image calculating environment；
Comparison module is used for first average brightness and second average brightness；And
Adjustment module, for according to the biggish adjusting display in first average brightness and second average brightness
Shield brightness；
The electronic device further includes the light sensor, aspect sensor and global positioning system for obtaining ambient brightness,
The aspect sensor is used to sense the direction of the light sensor；The control device is used for:
Judge whether the direction of the light sensor is downward；
Judge whether it is late according to the system time of the electronic device in the case where the direction of the light sensor is downward
On；
Then judged whether indoors according to the global positioning system for evening；
In for indoor situation, the control module is triggered.
8. control device as claimed in claim 7, which is characterized in that the control device includes:
Input module, for being inputted according to user and triggering the control module in for indoor situation.
9. control device as claimed in claim 7, which is characterized in that first camera module is arranged in the electronic device
Upper side identical with the display screen, the second camera module setting are opposite with the display screen on said electronic device
Side.
10. control device as claimed in claim 9, which is characterized in that the aspect sensor is also used to sense the display
The direction of screen；The control device includes:
Magnitude computation module, for calculate the display screen towards amplitude of variation；
Whether amplitude judgment module is greater than predetermined amplitude towards amplitude of variation for judging described and triggers institute when being judged as YES
State control module.
11. control device as claimed in claim 7, which is characterized in that the first environment image and second environment image are
Rgb format；The computing module includes:
Submodule is converted, for converting HSL format for the first environment image and the second environment image；
First computational submodule, for calculating the average value of the brightness value of each pixel in the first environment image to obtain
The first average brightness is stated, and calculates the average value of the brightness value of each pixel in the second environment image to obtain described second
Average brightness.
12. control device as claimed in claim 7, which is characterized in that the first environment image includes continuous multiple frames, described
Second environment image includes continuous multiple frames, and the computing module includes:
Second computational submodule, it is every for calculating the first average brightness value of first environment image described in every frame, and for calculating
Second average brightness value of second environment image described in frame；And
Third computational submodule, for calculating the average value of first average brightness value and as first average brightness,
And average value for calculating second average brightness value and as second average brightness.
13. control device as claimed in claim 7, which is characterized in that the electronic device includes mobile phone or tablet computer.
14. a kind of electronic device, which is characterized in that including the first camera module, the second camera module and such as claim 7-13
Control device described in any one.
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| CN201610506513.9A CN106128414B (en) | 2016-06-28 | 2016-06-28 | Control method, control device and electronic device |
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| CN111028675A (en) * | 2019-12-24 | 2020-04-17 | 维沃移动通信有限公司 | Electronic equipment and control method for brightness of display screen of electronic equipment |
| CN112289279B (en) * | 2020-11-05 | 2022-04-12 | Oppo广东移动通信有限公司 | Screen brightness adjusting method and device, storage medium and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327148A (en) * | 2013-06-28 | 2013-09-25 | 惠州Tcl移动通信有限公司 | Screen backlight brightness adjusting implementation method based on mobile terminal and mobile terminal |
| CN104700816A (en) * | 2015-01-08 | 2015-06-10 | 小米科技有限责任公司 | Method and device for setting screen brightness |
| CN105425905A (en) * | 2015-10-30 | 2016-03-23 | 联想(北京)有限公司 | Information processing method and electronic device |
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| US20160005362A1 (en) * | 2015-09-08 | 2016-01-07 | Mediatek Inc. | Determination Of Optical Condition And Adjustment Of Display |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327148A (en) * | 2013-06-28 | 2013-09-25 | 惠州Tcl移动通信有限公司 | Screen backlight brightness adjusting implementation method based on mobile terminal and mobile terminal |
| CN104700816A (en) * | 2015-01-08 | 2015-06-10 | 小米科技有限责任公司 | Method and device for setting screen brightness |
| CN105425905A (en) * | 2015-10-30 | 2016-03-23 | 联想(北京)有限公司 | Information processing method and electronic device |
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