CN110211549A - A kind of screen brightness regulation method, device, terminal and storage medium - Google Patents
A kind of screen brightness regulation method, device, terminal and storage medium Download PDFInfo
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- CN110211549A CN110211549A CN201910336948.7A CN201910336948A CN110211549A CN 110211549 A CN110211549 A CN 110211549A CN 201910336948 A CN201910336948 A CN 201910336948A CN 110211549 A CN110211549 A CN 110211549A
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- screen brightness
- value
- brightness value
- predetermined luminance
- target application
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/52—Details of telephonic subscriber devices including functional features of a camera
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses a kind of screen brightness regulation method, device, terminal and storage mediums, the method is applied to terminal, this method comprises: opening the open command of target application, obtain the default screen brightness value of current screen brightness value and target application, and the luminance difference between current screen brightness value and the default screen brightness value of target application is calculated, the absolute value of comparison brightness difference and a predetermined luminance adjust threshold value.Further, if the absolute value of the luminance difference is more than or equal to predetermined luminance and adjusts threshold value, current screen brightness value is adjusted according to predetermined luminance adjustable strategies.Using the application, be conducive to reduce screen brightness value adjusting, the injury to user's eyesight.
Description
Technical field
The present invention relates to field of terminal technology more particularly to a kind of screen brightness regulation method, device, terminal and storage to be situated between
Matter.
Background technique
With popularizing for terminal device, people are increasingly longer to the time of using terminal equipment, seriously affect the eye of people
Eyeball health.When changing greatly the screen brightness value short time, it is easy injury eye eyesight.
Currently, system is usually uniformly set with a screen brightness value, still for the screen intensity of terminal device
Each application can set screen brightness value independent, when two applications or changing interface, if setting between
The difference in brightness set is very big, causes brightness to rise sharply or when rapid drawdown, is easy harm users eyesight.Therefore, how to adjust screen bright
Degree, avoids the eyesight of user from coming to harm, becomes a urgent problem to be solved.
Summary of the invention
The embodiment of the invention provides a kind of screen intensity value adjustment method, device, terminal and storage mediums, are conducive to subtract
The small screen brightness value is adjusted, the injury to user's eyesight.
In a first aspect, the embodiment of the invention provides a kind of screen intensity value adjustment methods, this method comprises:
The open command of target application is opened, current screen brightness is obtained；
Obtain the default screen brightness value of target application；
Calculate the luminance difference between the current screen brightness value and the default screen brightness value of the target application；
Compare the absolute value and predetermined luminance adjustment threshold value of the luminance difference；
If the absolute value of the luminance difference, which is more than or equal to the predetermined luminance, adjusts threshold value, according to predetermined luminance
Adjustable strategies are adjusted current screen brightness value.
In one embodiment, the predetermined luminance adjustable strategies indicate the time interval of adjustment and adjust every time
Unit brightness.
In one embodiment, the time interval of the adjustment and the unit brightness of the adjustment can be according to user demands
Setting or system default.
In one embodiment, it is described current screen brightness value is adjusted according to predetermined luminance adjustable strategies it is specific
Embodiment are as follows: if the luminance difference is negative, increase according to the time interval and the unit brightness described current
Screen brightness value；If the luminance difference is positive number, reduce according to the time interval and the unit brightness described current
Screen brightness value.
In one embodiment, the open command of target application is opened, after obtaining current screen brightness value, can also be acquired
The facial image of user；Determine the face of the user and the measurement distance of screen；The mesh is changed according to the measurement distance
Mark the default screen brightness value of application.
In one embodiment, it can determine that the predetermined luminance adjusts threshold value according to the measurement distance.
In one embodiment, the measurement distance and predetermined luminance adjustment threshold value are corresponding relationship.
Second aspect, the embodiment of the invention provides a kind of screen intensitys to adjust device, which adjusts device packet
Include the module of the method for executing above-mentioned first aspect.
The third aspect, the embodiment of the invention provides a kind of terminal, which includes that processor, input equipment, output are set
Standby and memory, the processor, input equipment, output equipment and memory are connected with each other, wherein the memory is for depositing
Storage supports terminal to execute the computer program of the above method, and the computer program includes program instruction, and the processor is matched
It sets for calling described program to instruct, the method for executing above-mentioned first aspect.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the computer program includes program instruction, and described program instructs when being executed by a processor
The method for making the processor execute above-mentioned first aspect.
In the application, terminal can open the open command of target application, obtain current screen brightness value and target is answered
Default screen brightness value, and calculate the luminance difference between current screen brightness value and the default screen brightness value of target application
Value, the absolute value of comparison brightness difference and a predetermined luminance adjust threshold value.Further, if the absolute value of the luminance difference is greater than
Or be equal to predetermined luminance and adjust threshold value, then current screen brightness value is adjusted according to predetermined luminance adjustable strategies.Using
The application is conducive to reduce screen brightness value adjusting, the injury to user's eyesight.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of screen brightness regulation method provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of another screen brightness regulation method provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic block diagram of screen intensity adjustment device provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic block diagram of terminal provided in an embodiment 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 some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It is a kind of flow diagram of screen brightness regulation method provided in an embodiment of the present invention, the party referring to Fig. 1, Fig. 1
Method can be executed by terminal, as shown, the screen brightness regulation method can include:
101: opening the open command of target application, obtain current screen brightness value.
102: obtaining the default screen brightness value of target application, and calculate the default of current screen brightness value and target application
Luminance difference between screen brightness value.
Wherein, above-mentioned terminal device can be smart phone (such as Android phone, iOS mobile phone, Windows Phone hand
Machine etc.), tablet computer, mobile internet device (Mobile Internet Device, MID) or other with user interface
The terminal of (User Interface, UI).
Wherein, above-mentioned open command can be the touch control operation inputted for target application, which can be point
Hit operation, pressing operation, slide, shake operation or default sliding trace etc.；The open command can also be voice
Instruction etc..The present invention is not especially limited this.
In one embodiment, terminal is equipped with N (N is positive integer) a application, each application in N number of application in advance
Different screen display brightness namely default screen brightness value is arranged.For example, using 01, corresponding default screen brightness value
For f1；It is f2 using 01 corresponding default screen brightness value.In this case, when terminal opens the open command of target application
When, it can determine the corresponding default screen brightness value of the target application, and obtain current screen brightness.Further, terminal
It can use current screen brightness value and subtract default screen brightness value, it is corresponding with target application pre- to obtain current screen brightness value
If the luminance difference between screen brightness value.
In one embodiment, when the screen brightness value of each application in N number of application is arranged, each application can be based on
The different screen brightness value namely default screen brightness value of main display curriculum offering.Illustratively, pure words class is answered
With (as read application), due to mainly showing that content is text, text is that static and closeness is higher, in order to which user sees text clearly
Word content, the screen brightness value that pure words class can be applied is oppositely arranged higher.For video class application, due in reality
Hold be dynamic image, compared to be easier to for text it is clear that can by video class apply screen brightness value setting relatively
It is low.
In one embodiment, terminal can correspond to the picture material of interface image according to display interface, be arranged different
Screen intensity adjusted value, establishes the corresponding relationship of picture material Yu screen intensity adjusted value, and the corresponding relationship is stored to depositing
In storage area domain.Illustratively, the corresponding relationship of the picture material and screen intensity adjusted value can be as shown in table 1-1.Wherein, by
It is more relatively high than the needs of image in demand of the text to screen intensity, therefore, the first screen intensity adjusted value, can be set
Two screen intensity adjusted values and the corresponding size relation of third screen intensity adjusted value are as follows: the first screen intensity adjusted value > the
Three screen intensity adjusted values > the second screen intensity adjusted value.
Table 1-1
| Picture material | Screen intensity adjusted value |
| Text | First screen intensity adjusted value |
| Image | Second screen intensity adjusted value |
| Text+image | Third screen intensity adjusted value |
Further, after the default screen brightness value of terminal acquisition target application, the boundary of available current display interface
Face image, and image recognition is carried out to the interface image, determine the corresponding picture material of the interface image.Further,
Terminal can be determined and current interface image based on the corresponding relationship of the picture material and screen intensity adjusted value that pre-establish
The target screen brightness adjustment value of correspondence image content matching, and then the default screen brightness value of the target application is adjusted to this
Target screen brightness adjustment value.
Illustratively, the corresponding relationship of picture material and screen intensity adjusted value can be as shown in table 1-1, and terminal obtains mesh
After the default screen brightness value for marking application, the interface image of current display interface is obtained, and image knowledge is carried out to the interface image
Not, if recognizing the corresponding picture material of the interface image is text, the default screen brightness value of target application is adjusted to
The first screen intensity adjusted value；If recognizing the corresponding picture material of the interface image is image, by the pre- of target application
If screen brightness value is adjusted to the second screen intensity adjusted value；If recognizing the corresponding picture material of the interface image includes image
And text, then the default screen brightness value of target application can be adjusted to third screen intensity adjusted value.
In one embodiment, terminal opens the open command of target application, after obtaining current screen brightness value, can adopt
The facial image for collecting user determines the face of user and the measurement distance of screen, and changes the target application according to measurement distance
Default screen brightness value.
In one embodiment, terminal can preset different screens from the measurement distance of screen according to the face of user
Curtain brightness value, that is, establish the measurement distance of face and screen and the corresponding relationship of screen brightness value.When terminal determines user's
After the measurement distance of face and screen, measurement can be determined apart from corresponding mesh based on the corresponding relationship pre-established
Screen brightness value is marked, and then the default screen brightness value of the target application is adjusted to the target screen brightness value.
In one embodiment, terminal can also be preset according to the face of user from the measurement distance of screen different
Brightness adjustment threshold value (i.e. predetermined luminance adjustment threshold value) establishes measurement distance and predetermined luminance the adjustment threshold value of face and screen
Corresponding relationship.In response to this, electronic equipment can corresponding the closing based on the measurement distance and predetermined luminance adjustment threshold value
System determines currently to measure apart from the default adjustment threshold value of corresponding target, and the absolute value of comparison brightness difference and the target are pre-
If brightness adjustment threshold value, if the absolute value of the luminance difference is more than or equal to target predetermined luminance and adjusts threshold value, according to pre-
If brightness adjustment strategy is adjusted current screen brightness value.
103: the absolute value of comparison brightness difference and a predetermined luminance adjust threshold value, if the absolute value of the luminance difference is greater than
Or be equal to predetermined luminance and adjust threshold value, then current screen brightness value is adjusted according to predetermined luminance adjustable strategies.
In one embodiment, terminal can correspond to the picture material of interface image previously according to display interface, and setting is not
Same brightness adjustment threshold value (i.e. predetermined luminance adjustment threshold value) establishes the corresponding pass of picture material with predetermined luminance adjustment threshold value
System, and the corresponding relationship is stored into storage region.Wherein, the demand due to text to screen intensity needs phase than image
To higher, therefore, the corresponding predetermined luminance adjustment threshold value of the picture material of pure words is relatively high, the picture material pair of pure image
The predetermined luminance adjustment threshold value answered is relatively low.Illustratively, the corresponding relationship of the picture material and screen intensity adjusted value can
As shown in table 1-2.Wherein, the demand due to text to screen intensity is more relatively high than the needs of image, it can be set
First predetermined luminance adjusts threshold value, the second predetermined luminance adjustment threshold value and the corresponding size of third predetermined luminance adjustment threshold value and closes
System are as follows: the first predetermined luminance adjusts threshold value > the second predetermined luminance adjustment threshold value > third predetermined luminance and adjusts threshold value.
Table 1-2
| Picture material | Screen intensity adjusted value |
| Text | First predetermined luminance adjusts threshold value |
| Image | Second predetermined luminance adjusts threshold value |
| Text+image | Third predetermined luminance adjusts threshold value |
It in response to this, can be right before the absolute value of terminal comparison brightness difference and a predetermined luminance adjust threshold value
Current interface image carries out image recognition, determines the corresponding picture material of current interface image.Further, terminal can be with base
In the corresponding relationship of picture material and predetermined luminance the adjustment threshold value pre-established, determine and current interface image correspondence image
The target predetermined luminance of content matching adjusts threshold value.Further, terminal can more above-mentioned luminance difference absolute value and mesh
It marks predetermined luminance and adjusts threshold value, if the absolute value of the luminance difference is more than or equal to predetermined luminance and adjusts threshold value, according to pre-
If brightness adjustment strategy is adjusted current screen brightness value.
Wherein, the unit brightness that above-mentioned predetermined luminance adjustable strategies indicate the time interval of adjustment and adjust every time,
It is pre-set according to experimental data that the time interval of the adjustment and the unit brightness adjusted every time may each be developer,
The time interval can be arranged according to the human eye reaction time.In one embodiment, the time interval of above-mentioned adjustment and adjustment
Unit brightness can be according to user demand setting or system default.In one embodiment, when between the time of above-mentioned adjustment
After the unit brightness with adjustment is set, user can also be bright according to time interval and unit of the self-demand to the setting
Degree is adjusted.
In one embodiment, terminal subtracts default screen brightness value using current screen brightness value, obtains current screen
After luminance difference between brightness value default screen brightness value corresponding with target application, if comparing to obtain the exhausted of the luminance difference
Predetermined luminance is more than or equal to value and adjusts threshold value, then can continue to judge whether the luminance difference is negative.Further,
It, can be with if the luminance difference is that negative namely current screen brightness value are less than the corresponding default screen brightness value of target application
Increase current screen brightness value according to above-mentioned time interval and unit brightness.
Alternatively, if the luminance difference is that positive number namely current screen brightness value are greater than the corresponding default screen of target application
Brightness value then can reduce current screen brightness value according to above-mentioned time interval and unit brightness.
Illustratively, screen brightness value value range is 0 to 100, it is assumed that current screen brightness value is f1, and target application is corresponding
Default screen brightness value be f2, luminance difference is then f1-f2, and it is f3 that predetermined luminance, which adjusts threshold value, and the absolute value of the f1-f2 is big
In f3, time interval 100ms, adjusting corresponding unit brightness every time is 5.In this case, if luminance difference f1-f2 is positive
Number, i.e. current screen brightness value are greater than the corresponding default screen brightness value of target application, then can be bright to current screen with every 100ms
Angle value turns 5 down, adjusts until the absolute value adjustment to less than f3 by f1-f2 or by the absolute value of f1-f2 to 0, then stops adjusting
It is whole.
Alternatively, i.e. current screen brightness value is less than the corresponding default screen of target application if luminance difference f1-f2 is negative
Brightness value then can increase 5 to current screen brightness value with every 100ms, until by the adjustment of the absolute value of f1-f2 to less than f3 or
The absolute value of f1-f2 is adjusted to 0, then stops adjusting.
In one embodiment, between above-mentioned current screen brightness value default screen brightness value corresponding with target application
Luminance difference can also subtract current screen brightness value by default screen brightness value and obtain.In this case, the luminance difference is obtained
It, can be according between the time if the luminance difference is negative after the absolute value of value is more than or equal to predetermined luminance adjustment threshold value
Every reducing current screen brightness value with unit brightness, until the absolute value adjustment to less than the predetermined luminance by luminance difference adjust
Threshold value is adjusted to 0.If the luminance difference is positive number, increase the current screen according to time interval and the unit brightness
Brightness value, until by the absolute value adjustment of luminance difference to less than predetermined luminance adjustment threshold value or adjusting to 0.
In the embodiment of the present application, terminal can open the open command of target application, obtain current screen brightness value and
The default screen brightness value of target application, and calculate between current screen brightness value and the default screen brightness value of target application
Luminance difference, the absolute value of comparison brightness difference and a predetermined luminance adjust threshold value.Further, if the luminance difference it is absolute
Value is more than or equal to predetermined luminance and adjusts threshold value, then is adjusted according to predetermined luminance adjustable strategies to current screen brightness value
It is whole.Using the application, be conducive to reduce screen brightness value adjusting, the injury to user's eyesight.
Referring to fig. 2, Fig. 2 is the flow diagram of another screen brightness regulation method provided in an embodiment of the present invention, should
Method can be executed by terminal, as shown, the screen brightness regulation method can include:
201: opening the open command of target application, acquisition is continuously shot obtained from eyes of user within a preset period of time
Multiple images.
202: whether the eyes based on multiple image detections user are in a state of fatigue.
203: if detect that the eyes of user are in a state of fatigue, obtaining current screen brightness value.
In one embodiment, when terminal detects that user opens the operation of any application, preposition camera shooting can be called to fill
Set the facial image of acquisition user.It is available default when terminal detects the open command for opening target application
It is continuously shot multiple images obtained from eyes of user in period, and determines user upper eyelid and palpebra inferior based on multiple images
Multiple distances, be less than or equal to the change of default eyelid distance threshold and multiple distances in the average distance for detecting multiple distances
When change trend is reduction trend, it is determined that the eyes of user are in a state of fatigue.It in this way, can be according to eyes of user
Whether it is in a state of fatigue adjust screen brightness value, to alleviate the visual fatigue of user, promote the eyeshield effect of terminal.
Illustratively, it is assumed that default eyelid distance threshold is 7mm, is continuously shot eyes of user within a preset period of time and obtains
4 images, first image is g1, second image is g2, third image be g3 and the 4th image is g4.Terminal root
According to multiple distances in user upper eyelid and palpebra inferior that this 4 images obtain, as shown in table 2.
Table 2
| Image | User upper eyelid (mm) at a distance from palpebra inferior |
| g1 | 9 |
| g2 | 8 |
| g3 | 7 |
| g4 | 5 |
According to the data as indicated by table 2, terminal can determine that the average value of this corresponding 4 distance of four images is
7.25mm is greater than default eyelid distance threshold 7mm, and the corresponding distance of each image is in the trend being gradually reduced, it is determined that user
Eyes it is in a state of fatigue.
In one embodiment, terminal can also be covered by analyzing to exist on the eyes of user in above-mentioned preset time period
Object (such as hand or other for wiping the article of eyes) blocks number, to detect whether the eyes of user are in tired shape
State.Illustratively, if this in above-mentioned preset time blocks number more than or equal to preset times threshold value, it is determined that user's
Eyes are in a state of fatigue.It is understood that the eyes implementation whether in a state of fatigue of terminal detection user can
Be it is diversified, the embodiment of the present application to this with no restriction.
204: calculating the luminance difference between current screen brightness value and the default screen brightness value of target application.
205: the absolute value of comparison brightness difference and predetermined luminance adjust threshold value, if the absolute value of luminance difference be greater than or
Threshold value is adjusted equal to predetermined luminance, then current screen brightness value is adjusted according to predetermined luminance adjustable strategies.
Wherein, step 204~step 205 specific implementation may refer to step 102 in above-described embodiment~step
103 associated description, details are not described herein again.
In one embodiment, after terminal is adjusted current screen brightness value according to predetermined luminance adjustable strategies,
The measurement distance between the face of user and screen can be obtained when receiving trigger action of the user for brightness adjustment,
And based on the corresponding relationship between preconfigured distance and screen brightness value, determine measurement apart from corresponding target screen intensity
Value, and then current screen brightness value is adjusted to target screen brightness value.
In one embodiment, terminal display screen can show a brightness optimization function button, in terminal according to default
After brightness adjustment strategy is adjusted current screen brightness value, if user is still dissatisfied to current screen brightness value, also think
Continue to optimize current screen brightness value, then it can be for brightness optimization function button input touch control operation (i.e. for bright
Spend the trigger action of adjustment), current screen brightness value is continued to adjust.Further, terminal detects that this optimizes for brightness
When the touch control operation of function button input, the measurement distance between the face and screen of available user, and be based on matching in advance
Corresponding relationship between the distance set and screen brightness value is determined and is measured apart from corresponding target screen brightness value, and then will work as
Forth screen brightness value is adjusted to target screen brightness value.
In one embodiment, terminal can be pre-configured with the distance between face and screen of user and screen brightness value
Corresponding relationship.It in this case, can be based on should be away from after terminal gets the distance of the measurement between the face of user and screen
From the corresponding relationship between screen brightness value, measurement is determined apart from corresponding target screen brightness value, and then by current screen
Brightness value is adjusted to target screen brightness value.Wherein, when terminal adjusts current screen brightness value to target screen brightness value
In the process, current screen brightness value can will still be adjusted according to above-mentioned predetermined luminance adjustable strategies to target screen intensity
Value.
In one embodiment, terminal can call the facial image of preposition camera module acquisition user, and according to face
Human face region accounts for the ratio of facial image in image, determines the face of user and the measurement distance of screen.In the specific implementation, clapping
During taking the photograph, terminal can obtain camera module focal length and current focal distance, when the focal length and focal distance of camera module
When determining, human face region ratio shared in picture is bigger in facial image, indicates that the human face region corresponds to the face of user
The distance between camera module is closer.It, then can be according to above-mentioned after being determined that human face region accounts for the ratio of facial image
Ratio-dependent goes out the face of user and the measurement distance of screen.
In one embodiment, terminal can be called and block distance between range sensor detection screen and shelter,
If this is blocked, distance satisfaction is default to block distance condition, starts the environment map of preposition camera module acquisition screen local environment
Picture, if detecting, there are faces in ambient image, call range sensor to determine the measurement distance of face and screen.Using this
Kind of mode, can block distance meet it is default block distance condition when, recall preposition camera module acquisition local environment
Ambient image acquires image without always on camera module.In this way, be conducive to save terminal power.
Wherein, which can be a kind of infrared distance sensor, which can be mounted
Near preposition camera module, the distance between shelter and terminal screen in current environment can be sensed.Wherein, infrared distance measurement
The ranging basic principle of sensor is that luminous tube issues infrared light, and photosensitive receiving tube receives objects in front reflected light, judges accordingly
Whether there is shelter in front of screen.According to the principle that the power of reflected light may determine that the distance of shelter, it is that reception pipe connects
The light intensity of receipts changes, the nearly then reflective light intensity of distance with the distance of reflection object, and the remote then reflected light of distance is weak.
It is above-mentioned it is default to block distance condition can be to block distance (such as 20cm~5cm) within the scope of pre-determined distance, this is pre-
If distance range is that developer is arranged according to experimental data.In one embodiment, terminal calls range sensor detection
To blocking after between screen and shelter, it can be determined that this blocks distance whether within the scope of pre-determined distance, if,
It then determines that this blocks to preset apart from satisfaction and blocks distance condition.If not existing, it may further determine that this blocks distance for pre-
If being bigger than normal or less than normal in distance range.That is, being greater than the corresponding maximum value of pre-determined distance range, also it is less than
The corresponding minimum value of pre-determined distance range.If bigger than normal, the first prompt information can be exported, for prompting user close to end panel
Curtain, so that the distance after maintains within the scope of pre-determined distance (such as 20cm~5cm)；If less than normal, second can be exported and mentioned
Show information, for prompting user far from terminal screen so that far from after distance maintain within the scope of pre-determined distance (such as 20cm~
5cm)。
In the embodiment of the present application, when terminal detects the open command for opening target application, obtain when default
Between be continuously shot multiple images obtained from eyes of user in section, and whether the eyes based on multiple image detections user are in tired
If labor state obtains current screen brightness value detect that the eyes of user are in a state of fatigue.Further, terminal can
To determine the luminance difference between current screen brightness value default screen brightness value corresponding with target application, and comparison brightness is poor
The absolute value of value and predetermined luminance adjust threshold value, adjust threshold value more than or equal to predetermined luminance if comparing to obtain absolute value,
Current screen brightness value is adjusted according to predetermined luminance adjustable strategies.Using the application, be conducive to reduce screen brightness value
It adjusts, the injury to user's eyesight.
The embodiment of the invention also provides a kind of screen intensitys to adjust device, which is configured at terminal, which includes
For executing the module of method described in earlier figures 1 or Fig. 2.It specifically, is provided in an embodiment of the present invention one referring to Fig. 3
The schematic block diagram of kind screen intensity adjustment device.The screen intensity of the present embodiment adjusts device
Module 30 is obtained, for opening the open command of target application, obtains current screen brightness value and target application
Default screen brightness value；
The processing module 31 is also used to calculate the current screen brightness value default screen corresponding with the target application
Luminance difference between curtain brightness value；
The processing module 31 is also used to the absolute value and predetermined luminance adjustment threshold value of luminance difference described in comparison；
The processing module 31, if the absolute value for being also used to the luminance difference is more than or equal to the predetermined luminance tune
Whole threshold value is then adjusted current screen brightness value according to predetermined luminance adjustable strategies.
In one embodiment, the predetermined luminance adjustable strategies indicate the time interval of adjustment and adjust every time
Unit brightness.
In one embodiment, the time interval of the adjustment and the unit brightness of the adjustment can be according to user demands
Setting or system default.
In one embodiment, the processing module 31, if being specifically used for the luminance difference is negative, according to described
Time interval and the unit brightness increase the current screen brightness value；If the luminance difference is positive number, according to described
Time interval and the unit brightness reduce the current screen brightness value.
In one embodiment, the acquisition module 30, is also used to acquire the facial image of user；Processing module 31, also
For determining the face of the user and the measurement distance of screen, the default of the target application is changed according to the measurement distance
Screen brightness value.
In one embodiment, determine that the predetermined luminance adjusts threshold value according to the measurement distance.
In one embodiment, the measurement distance and predetermined luminance adjustment threshold value are corresponding relationship.
It should be noted that the function of each functional module of screen intensity value adjuster described in the embodiment of the present invention
Can method specific implementation in the embodiment of the method according to Fig. 1 or Fig. 2, specific implementation process be referred to Fig. 1 or
The associated description of the embodiment of the method for person Fig. 2, details are not described herein again.
In the embodiment of the present invention, the open command of target application can be opened by obtaining module 30, obtain current screen brightness
The default screen brightness value of value and target application, processing module 31 can calculate the pre- of current screen brightness value and target application
If the luminance difference between screen brightness value, the absolute value and predetermined luminance of comparison brightness difference adjust threshold value.Further, if
The absolute value of luminance difference is more than or equal to predetermined luminance and adjusts threshold value, and processing module 31 is then according to predetermined luminance adjustable strategies
Current screen brightness value is adjusted.Using the application, be conducive to reduce screen brightness value adjusting, to the wound of user's eyesight
Evil.
Fig. 4 is referred to, Fig. 4 is a kind of schematic block diagram of terminal provided in an embodiment of the present invention.The terminal may include
Processor 43, memory 44, input equipment 45 and output equipment 46.Above-mentioned processor 43, memory 44, input equipment 45 and defeated
Equipment 46 can be connected by bus or other modes out, in Fig. 4 shown in the embodiment of the present invention for being connected by bus.Its
In, input equipment 45 and output equipment 46 are used for messaging by the control of the processor, and memory 44 is calculated for storing
Machine program, the computer program include program instruction, and processor 43 is used to execute the program instruction of the storage of memory 44.Its
In, processor 43 is configured for calling described program instruction execution: opening the open command of target application, obtains current screen
Brightness；Obtain the default screen brightness value of target application；Calculate the default of the current screen brightness value and the target application
Luminance difference between screen brightness value；Compare the absolute value and predetermined luminance adjustment threshold value of the luminance difference；If described
The absolute value of luminance difference is more than or equal to the predetermined luminance and adjusts threshold value, then according to predetermined luminance adjustable strategies to current
Screen brightness value is adjusted.
In one embodiment, the predetermined luminance adjustable strategies indicate the time interval of adjustment and adjust every time
Unit brightness.
In one embodiment, the time interval of the adjustment and the unit brightness of the adjustment can be according to user demands
Setting or system default.
In one embodiment, the processor 43, if be specifically used for the luminance difference be negative, according to it is described when
Between interval and the unit brightness increase the current screen brightness value；If the luminance difference be positive number, according to it is described when
Between interval and the unit brightness reduce the current screen brightness value.
In one embodiment, the input equipment 45, for acquiring the facial image of user；Processor 43, is also used to
It determines the face of the user and the measurement distance of screen, the default screen of the target application is changed according to the measurement distance
Brightness value.
In one embodiment, determine that the predetermined luminance adjusts threshold value according to the measurement distance.
In one embodiment, the measurement distance and predetermined luminance adjustment threshold value are corresponding relationship.
It should be appreciated that in embodiments of the present invention, alleged processor 43 can be central processing unit (Central
Processing Unit, CPU), which can also be other general processors, digital signal processor (Digital
Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit,
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic
Device, discrete gate or transistor logic, discrete hardware components etc..General processor can be microprocessor or this at
Reason device is also possible to any conventional processor etc..
The memory 44 may include read-only memory and random access memory, and provide instruction sum number to processor 43
According to.The a part of of memory 44 can also include nonvolatile RAM.It is set for example, memory 44 can also store
The information of standby type.
The input equipment 45 may include that Trackpad, fingerprint adopt sensor (for acquiring the finger print information of user), Mike
Wind, physical keyboard etc., output equipment 46 may include display (LCD etc.), loudspeaker etc..
In the specific implementation, processor 43 described in the embodiment of the present invention, memory 44, input equipment 45 and output
Implementation described in embodiment of the method described in Fig. 1 or Fig. 2 provided in an embodiment of the present invention can be performed in equipment 4, can also
The implementation of the adjustment device of screen intensity described in the embodiment of the present invention is executed, details are not described herein.
In the embodiment of the present invention, processor 43 can calculate current screen brightness value default screen corresponding with target application
Luminance difference between brightness value, the absolute value and predetermined luminance of comparison brightness difference adjust threshold value.Further, if processor
43 compare to obtain absolute value more than or equal to predetermined luminance adjustment threshold value, then according to predetermined luminance adjustable strategies to current screen
Brightness value is adjusted.Using the application, be conducive to reduce screen brightness value adjusting, the injury to user's eyesight.
A kind of computer readable storage medium, the computer-readable storage medium are provided in another embodiment of the invention
Matter is stored with computer program, and the computer program includes program instruction, and described program instructs realization when being executed by processor:
The open command of target application is opened, current screen brightness is obtained；Obtain the default screen brightness value of target application；Described in calculating
Luminance difference between current screen brightness value and the default screen brightness value of the target application；Compare the luminance difference
Absolute value and a predetermined luminance adjust threshold value；If the absolute value of the luminance difference is adjusted more than or equal to the predetermined luminance
Threshold value is then adjusted current screen brightness value according to predetermined luminance adjustable strategies.
The computer readable storage medium can be the internal storage unit of terminal described in aforementioned any embodiment, example
Such as the hard disk or memory of terminal.The computer readable storage medium is also possible to the External memory equipment of the terminal, such as
The plug-in type hard disk being equipped in the terminal, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card) etc..Further, the computer readable storage medium can also be wrapped both
The internal storage unit for including the terminal also includes External memory equipment.The computer readable storage medium is described for storing
Other programs and data needed for computer program and the terminal.The computer readable storage medium can be also used for temporarily
When store the data that has exported or will export.
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 a 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..
Above disclosed is only section Example of the invention, cannot limit the right of the present invention with this certainly
Range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to right of the present invention
Equivalent variations made by it is required that, still belongs to the scope covered by the invention.
Claims (10)
1. a kind of screen brightness regulation method, which is characterized in that this method comprises:
The open command of target application is opened, current screen brightness is obtained；
Obtain the default screen brightness value of target application；
Calculate the luminance difference between the current screen brightness value and the default screen brightness value of the target application；
Compare the absolute value and predetermined luminance adjustment threshold value of the luminance difference；
If the absolute value of the luminance difference, which is more than or equal to the predetermined luminance, adjusts threshold value, adjusted according to predetermined luminance
Strategy is adjusted current screen brightness value.
2. the method according to claim 1, wherein the predetermined luminance adjustable strategies indicate the time of adjustment
Interval and the unit brightness adjusted every time.
3. according to the method described in claim 2, it is characterized in that, the time interval of the adjustment and the unit of the adjustment are bright
Degree can be according to user demand setting or system default.
4. method according to claim 1 or 2, which is characterized in that described to be shielded according to predetermined luminance adjustable strategies to current
Curtain brightness value is adjusted, comprising:
If the luminance difference is negative, increase the current screen brightness according to the time interval and the unit brightness
Value；
If the luminance difference is positive number, reduce the current screen brightness according to the time interval and the unit brightness
Value.
5. the method according to claim 1, wherein the open command for opening target application, obtains current
After screen brightness value, the method also includes:
Acquire the facial image of user；
Determine the face of the user and the measurement distance of screen；
The default screen brightness value of the target application is changed according to the measurement distance.
6. according to the method described in claim 5, it is characterized in that, determining that the predetermined luminance adjusts according to the measurement distance
Threshold value.
7. according to the method described in claim 6, it is characterized in that, the measurement distance is with predetermined luminance adjustment threshold value
Corresponding relationship.
8. a kind of screen intensity value adjuster, which is characterized in that the device includes:
Module is obtained, for opening the open command of target application, obtains the default of current screen brightness value and target application
Screen brightness value；
The processing module is also used to calculate the current screen brightness value default screen intensity corresponding with the target application
Luminance difference between value；
The processing module is also used to the absolute value and predetermined luminance adjustment threshold value of luminance difference described in comparison；
The processing module, if the absolute value for being also used to the luminance difference, which is more than or equal to the predetermined luminance, adjusts threshold
Value, then be adjusted current screen brightness value according to predetermined luminance adjustable strategies.
9. a kind of terminal, which is characterized in that including processor and memory, the processor and the memory are connected with each other,
Wherein, the memory is for storing computer program, and the computer program includes program instruction, and the processor is configured
For calling described program to instruct, the method according to claim 1 to 7 is executed.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, the computer program include program instruction, and described program instruction executes the processor such as
The described in any item methods of claim 1-7.
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| CN201910336948.7A CN110211549B (en) | 2019-04-25 | 2019-04-25 | Screen brightness adjustment method and device, terminal and storage medium |
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