CN109842723A - Terminal and its screen brightness control method and computer readable storage medium - Google Patents
Terminal and its screen brightness control method and computer readable storage medium Download PDFInfo
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- CN109842723A CN109842723A CN201811616281.8A CN201811616281A CN109842723A CN 109842723 A CN109842723 A CN 109842723A CN 201811616281 A CN201811616281 A CN 201811616281A CN 109842723 A CN109842723 A CN 109842723A
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Abstract
The invention discloses a kind of terminal and its screen brightness control method and computer readable storage medium, the brightness control process for terminal screen includes: the color temperature value for obtaining terminal current environment；According to the color temperature value of acquisition and preset color temperature value and screen brightness value corresponding relationship, match for the corresponding target screen brightness value of the color temperature value；According to the screen intensity for the target screen brightness value setting terminal screen that matching obtains；The invention also discloses a kind of terminal and computer readable storage mediums; by implementing above scheme; it can be achieved that the brightness of terminal screen is reasonably arranged according to the color temperature value that terminal is presently in external environment; both the set-up mode of screen luminance of terminal had been enriched; but also screen luminance of terminal is matched with the color temperature value of terminal current environment; it is more conducive to be promoted to the better visual effect of user's offer, while promoting the protecting effect to eyes of user, promote the satisfaction of user experience.
Description
Technical field
The present invention relates to terminal control field, more specifically to a kind of terminal and its screen brightness control method and
Computer readable storage medium.
Background technique
With the fast development of mobile communication, the function of smart terminal product is not simply as communication tool, more
Be as people amusement tool.Currently, people can use intelligent terminal either in which type of place, or
Reading or game, or chat.And with intelligent terminal in people's lives and work in occupation of more and more important angle
Color causes user also increasingly severe to the dependence of intelligent terminal in life and work.According to preliminary investigation, the modern times are for each person
About 8-10 hours one day time used the various terminals such as mobile phone, tablet computer.Therefore, for the conjunction of intelligent terminal screen intensity
Reason setting is just particularly important.Reasonable be arranged of screen intensity gives user good visual experience with regard to energy band, and can be as far as possible
The small eyes to user constitute injury.And the set-up mode of intelligent terminal screen intensity is very single at present, is all according to intelligence
Screen intensity is arranged in exterior of terminal ambient brightness (i.e. the luminous flux of unit).
Summary of the invention
The technical problem to be solved in the present invention is that: the screen intensity set-up mode for solving existing intelligent terminal is single, i.e.,
It is all the problem of being configured according to intelligent terminal external environment brightness；For the technical problem, a kind of terminal and its screen are provided
Curtain brightness control method and computer readable storage medium.
In order to solve the above technical problems, the present invention provides a kind of screen brightness control method, it is applied to terminal, the screen
Brightness control method includes:
Obtain the color temperature value of terminal current environment；
According to the color temperature value and preset color temperature value and screen brightness value corresponding relationship, match for the color temperature value pair
The target screen brightness value answered；
The screen intensity of the terminal is set according to the target screen brightness value.
Optionally, the color temperature value for obtaining terminal current environment includes:
The rear camera for enabling the terminal collects the first image；
Extract the gray value information of the available gray-scale statistics point in the first image；
Color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.
Optionally, the rear camera includes main rear camera and auxiliary rear camera, the auxiliary rear camera
Field angle be greater than the main rear camera；The rear camera for enabling the terminal acquires the first image
It enables the auxiliary rear camera and acquires the first image；
Or, enabling the main rear camera acquires the first image；
Or, first enabling the main rear camera acquires the first image, in the first figure of the main rear camera acquisition
When picture does not meet preset requirement, then enables the auxiliary rear camera and acquire the first image.
Optionally, the color temperature value for obtaining terminal current environment includes:
The front camera for enabling the terminal collects the second image；
Extract the gray value information of the available gray-scale statistics point in second image；
Color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.
Optionally, the color temperature value for obtaining terminal current environment includes:
The rear camera and front camera for enabling the terminal respectively collect the first image and the second image；
The gray value information for extracting available gray-scale statistics point in the first image, counts according to each available gray-scale of extraction
The gray value information of point calculates the first color temperature value；
The gray value information for extracting available gray-scale statistics point in second image, counts according to each available gray-scale of extraction
The gray value information of point calculates the second color temperature value；
Respectively by first color temperature value and second color temperature value multiplied by the first weighted value and the second weighted value and then
Addition obtains the color temperature value.
It optionally, further include currently whether meeting in the following conditions before the color temperature value for obtaining terminal current environment
At least one of:
Whether the time interval value of the last color temperature value for obtaining terminal local environment of distance reaches prefixed time interval threshold
Value；
Whether the location information of the terminal changes.
Optionally, include: according to the screen intensity that the terminal is arranged in the target screen brightness value
Judge whether the current set screen brightness value of the terminal and the target screen brightness value are identical, if not,
The target screen brightness value is set by the screen brightness value of the terminal.
Optionally, include: according to the screen intensity that the terminal is arranged in the target screen brightness value
Obtain the ambient brightness value of the terminal current environment；
According to the ambient brightness value and preset ambient brightness value and weighted value corresponding relationship, determine bright with the environment
The corresponding target weighted value of angle value；
The target weighted value is set multiplied by obtained by the target screen brightness value by the screen brightness value of the terminal
The value arrived.
Further, the present invention also provides a kind of terminal, the terminal further includes that processor, memory and communication are total
Line；
The communication bus is for realizing the communication connection between the processor and the memory；
The processor is for executing one or more program stored in memory, to realize screen as described above
The step of brightness control method.
Further, the present invention also provides a kind of computer readable storage mediums, which is characterized in that the computer can
It reads storage medium and is stored with one or more program, one or more of programs can be held by one or more processor
Row, the step of to realize screen brightness control method as described above.
Beneficial effect
The present invention provides a kind of terminal and its screen brightness control method and computer readable storage medium, for terminal
The brightness control process of screen includes: the color temperature value for obtaining terminal current environment；According to the color temperature value of acquisition and preset
Color temperature value and screen brightness value corresponding relationship are matched for the corresponding target screen brightness value of the color temperature value；It is obtained according to matching
Target screen brightness value setting terminal screen screen intensity；Namely screen brightness control method provided by the invention can basis
The brightness of terminal screen is reasonably arranged in the color temperature value that terminal is presently in external environment, and it is bright both to have enriched terminal screen
The set-up mode of degree is more conducive to be promoted to use but also screen luminance of terminal is matched with the color temperature value of terminal current environment
Family provides better visual effect, while promoting the protecting effect to eyes of user, promotes the satisfaction of user experience.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
The hardware structural diagram of Fig. 1 each embodiment one optional mobile terminal to realize the present invention；
The electrical structure schematic diagram of Fig. 2 each embodiment one optional camera to realize the present invention；
Fig. 3 is the screen brightness control method flow diagram that first embodiment of the invention provides；
Fig. 4 is the flow diagram of the color temperature value for the acquisition terminal current environment that first embodiment of the invention provides；
Fig. 5 is the journey schematic diagram one for the calculating color temperature value that first embodiment of the invention provides；
Fig. 6 is the journey signal two for the calculating color temperature value that first embodiment of the invention provides；
Fig. 7 is the journey signal three for the calculating color temperature value that first embodiment of the invention provides；
Fig. 8 is the flow diagram of the color temperature value for the acquisition terminal current environment that second embodiment of the invention provides；
Fig. 9 is the process signal of the color temperature value for another acquisition terminal current environment that second embodiment of the invention provides
Figure；
Figure 10 is the flow diagram for the screen intensity setting that second embodiment of the invention provides；
Figure 11 is the terminal structure schematic diagram that third embodiment of the invention provides.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicate element such as " module ", " component " or " unit " suffix only for being conducive to explanation of the invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone,
Smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP are (portable
Multimedia player), the fixed terminal of the mobile terminal of navigation device etc. and such as number TV, desktop computer etc..
Hereinafter it is assumed that terminal is mobile terminal, however, it will be understood by those skilled in the art that, in addition to being used in particular for mobile purpose
Except element, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
The hardware structural diagram of Fig. 1 each embodiment one optional mobile terminal to realize the present invention.
Mobile terminal 100 may include wireless communication unit 110, A/V (audio/video) input unit 120, user's input
Unit 130, sensing unit 140, output unit 150, memory 160, interface unit 170, controller 180 and power supply unit 190
Etc..Fig. 1 shows the mobile terminal with various assemblies, it should be understood that being not required for implementing all groups shown
Part can alternatively implement more or fewer components, the element of mobile terminal will be discussed in more detail below.
Wireless communication unit 110 generally includes one or more components, allows mobile terminal 100 and wireless communication system
Or the radio communication between network.For example, wireless communication unit may include broadcasting reception module, mobile communication module, nothing
At least one of line the Internet module, short range communication module and location information module, it is externally real by above each communication module
Existing corresponding communication function.
A/V input unit 120 is for receiving audio or video signal.A/V input unit 120 may include 121 He of camera
Microphone 1220, camera 121 is to the static map obtained in video acquisition mode or image capture mode by image capture apparatus
The image data of piece or video is handled.Treated, and picture frame may be displayed on display module 151.At camera 121
Picture frame after reason can store in memory 160 (or other storage mediums) or carry out via wireless communication unit 110
It sends, two or more cameras 121 can be provided according to the construction of mobile terminal, specifically, the electrical structure for camera can
Referring to shown in Fig. 2.Microphone 122 can be in telephone calling model, logging mode, speech recognition mode etc. operational mode
Sound (audio data) is received via microphone, and can be audio data by such acoustic processing.Audio that treated
(voice) data can be converted in the case where telephone calling model to be sent to mobile communication via mobile communication module 112
The format of base station exports.Microphone 122 can be implemented various types of noises and eliminate (or inhibition) algorithm to eliminate (or inhibition)
The noise generated during sending and receiving audio signal or interference.
The order that user input unit 130 can be inputted according to user generates key input data to control each of mobile terminal
Kind operation.User input unit 130 allows user to input various types of information, and may include keyboard, metal dome, touch
Plate (for example, the sensitive component of detection due to the variation of resistance, pressure, capacitor etc. caused by being contacted), idler wheel, rocking bar etc.
Deng.Particularly, when touch tablet is superimposed upon in the form of layer on display module 151, touch screen can be formed.
Sensing unit 140 detects the current state of mobile terminal 100, (for example, mobile terminal 100 opens or closes shape
State), the position of mobile terminal 100, user is for the presence or absence of contact (that is, touch input) of mobile terminal 100, mobile terminal
100 orientation, the acceleration or deceleration movement of mobile terminal 100 and direction etc., and generate for controlling mobile terminal 100
The order of operation or signal.For example, sensing unit 140 can sense when mobile terminal 100 is embodied as sliding-type mobile phone
The sliding-type phone is to open or close.In addition, sensing unit 140 be able to detect power supply unit 190 whether provide electric power or
Whether person's interface unit 170 couples with external device (ED).Sensing unit 140 may include proximity sensor 141.
Interface unit 170 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be storage and use each of mobile terminal 100 for verifying user
It plants information and may include subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM)
Etc..In addition, the device (hereinafter referred to as " identification device ") with identification module can take the form of smart card, therefore, know
Other device can be connect via port or other attachment devices with mobile terminal 100.Interface unit 170, which can be used for receiving, to be come from
The input (for example, data information, electric power etc.) of external device (ED) and the input received is transferred in mobile terminal 100
One or more elements can be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connect with external base, interface unit 170 may be used as allowing will be electric by it
Power, which is provided from pedestal to the path or may be used as of mobile terminal 100, allows the various command signals inputted from pedestal to pass through it
It is transferred to the path of mobile terminal.The various command signals or electric power inputted from pedestal, which may be used as mobile terminal for identification, is
The no signal being accurately fitted on pedestal.Output unit 150 is configured to provide with vision, audio and/or tactile manner defeated
Signal (for example, audio signal, vision signal, alarm signal, vibration signal etc.) out.
Output unit 150 may include display module 151, audio output module 152, alarm modules 153 etc..
Display module 151 may be displayed on the information handled in mobile terminal 100.For example, when mobile terminal 100 is in electricity
When talking about call mode, display module 151 can show and converse or other communicate (for example, text messaging, multimedia file
Downloading etc.) relevant user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling mode
Or when image capture mode, display module 151 can show captured image and/or received image, show video or figure
Picture and the UI or GUI of correlation function etc..
Meanwhile when display module 151 and touch tablet in the form of layer it is superposed on one another to form touch screen when, display module
151 may be used as input unit and output device.Display module 151 may include liquid crystal display (LCD), thin film transistor (TFT)
In LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc. at least
It is a kind of.Some in these displays may be constructed such that transparence to allow user to watch from outside, this is properly termed as transparent
Display, typical transparent display can be, for example, TOLED (transparent organic light emitting diode) display etc..According to specific
Desired embodiment, mobile terminal 100 may include two or more display modules (or other display devices), for example, moving
Dynamic terminal may include external display module (not shown) and internal display module (not shown).Touch screen can be used for detecting touch
Input pressure and touch input position and touch input area.
Audio output module 152 can mobile terminal be in call signal reception pattern, call mode, logging mode,
It is when under the isotypes such as speech recognition mode, broadcast reception mode, wireless communication unit 110 is received or in memory 160
The audio data transducing audio signal of middle storage and to export be sound.Moreover, audio output module 152 can provide and movement
The relevant audio output of specific function (for example, call signal receives sound, message sink sound etc.) that terminal 100 executes.
Audio output module 152 may include loudspeaker, buzzer etc..
Alarm modules 153 can provide output notifying event to mobile terminal 100.Typical event can be with
Including calling reception, message sink, key signals input, touch input etc..Other than audio or video output, alarm modules
153 can provide output in different ways with the generation of notification event.For example, alarm modules 153 can be in the form of vibration
Output is provided, when receiving calling, message or some other entrance communications (incoming communication), alarm mould
Block 153 can provide tactile output (that is, vibration) to notify to user.By providing such tactile output, even if
When the mobile phone of user is in the pocket of user, user also can recognize that the generation of various events.Alarm modules 153
The output of the generation of notification event can be provided via display module 151 or audio output module 152.
Memory 160 can store the software program etc. of the processing and control operation that are executed by controller 180, Huo Zheke
Temporarily to store oneself data (for example, telephone directory, message, still image, video etc.) through exporting or will export.And
And memory 160 can store about the vibrations of various modes and audio signal exported when touching and being applied to touch screen
Data.
Memory 160 may include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, more
Media card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..Moreover, mobile terminal 100 can execute memory with by network connection
The network storage device of 160 store function cooperates.
The overall operation of the usually control mobile terminal of controller 180.For example, controller 180 executes and voice communication, data
Communication, video calling etc. relevant control and processing.In addition, controller 180 may include for reproducing (or playback) more matchmakers
The multi-media module 181 of volume data, multi-media module 181 can construct in controller 180, or can be structured as and control
Device 180 separates.Controller 180 can be with execution pattern identifying processing, by the handwriting input executed on the touchscreen or picture
It draws input and is identified as character or image.
Power supply unit 190 receives external power or internal power under the control of controller 180 and provides operation each member
Electric power appropriate needed for part and component.
Various embodiments described herein can be to use the calculating of such as computer software, hardware or any combination thereof
Machine readable medium is implemented.Hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), controller, microcontroller, microprocessor, is designed to execute function described herein processor
At least one of electronic unit is implemented, and in some cases, such embodiment can be implemented in controller 180.
For software implementation, the embodiment of such as process or function can with allow to execute the individual of at least one functions or operations
Software module is implemented.Software code can by the software application (or program) write with any programming language appropriate Lai
Implement, software code can store in memory 160 and be executed by controller 180.
The electrical structure schematic diagram of Fig. 2 each embodiment one optional camera to realize the present invention.
Phtographic lens 1211 is made of the multiple optical lens for being used to form shot object image, wherein phtographic lens 1211 can
Think single-focus lens or zoom lens.Phtographic lens 1211 can be in the direction of the optical axis under the control of lens driver 1221
Mobile, lens driver 1221 controls phtographic lens 1211 according to the control signal from lens driving control circuit 1222
Focal position also can control focal length in the case where zoom lens.Lens driving control circuit 1222 is according to from miniature
The control command of computer 1217 carries out the drive control of lens driver 1221, and lens driving control circuit 1222 can also be according to
Control command from controller 180, processor, microcontroller, microprocessor carries out drive control.
It is configured with and takes the photograph near the position of the shot object image formed on the optical axis of phtographic lens 1211, by phtographic lens 1211
Element 1212.Photographing element 1212 is for imaging shot object image and obtaining image data.On photographing element 1212
Two dimension and be arranged in a matrix the photodiode for constituting each pixel.Each photodiode generates photoelectricity corresponding with light income
Switching current, the photoelectric conversion electric current carry out charge accumulation by the capacitor connecting with each photodiode.The preceding table of each pixel
Face is configured with the RGB colour filter of bayer arrangement.
Photographing element 1212 is connect with imaging circuit 1213, which carries out charge in photographing element 1212
Accumulation control and picture signal read control, reduce the resetting laggard traveling wave of noise to the picture signal (analog picture signal) of reading
Shape shaping, and then gain raising etc. is carried out to become signal level appropriate.
Imaging circuit 1213 is connect with A/D converter 1214, which carries out modulus to analog picture signal
Conversion, to 1227 output digital image signal (hereinafter referred to as image data) of bus.
Bus 1227 is the transmitting path for being transmitted in the various data that the inside of camera reads or generates.In bus
1227 are connected to above-mentioned A/D converter 1214, are additionally connected to image processor 1215, jpeg processor 1216, microcomputer
Calculation machine 1217, SDRAM (Synchronous Dynamic random access memory, Synchronous Dynamic Random Access Memory)
1218, memory interface (hereinafter referred to as memory I/F) 1219, LCD (Liquid Crystal Display, liquid crystal display
Device) driver 1220.
Image processor 1215 carries out OB to the image data of the output based on photographing element 1212 and subtracts each other processing, white balance
Adjustment, gamma conversion, colour difference signal processing, noise removal process, changes processing, edge processing etc. respectively at color matrix operation simultaneously
Kind image procossing.Jpeg processor 1216 is when by Imagery Data Recording in recording medium 1225, according to JPEG compression mode pressure
Contract the image data read from SDRAM1218.In addition, jpeg processor 1216 shows to carry out image reproducing and carries out JPEG
The decompression of image data.When unziping it, the file being recorded in recording medium 1225 is read, in jpeg processor 1216
In implement decompression after, the image data of decompression is temporarily stored in SDRAM1218 and is carried out on LCD1226
Display.In addition, in the present embodiment, as compression of images decompression mode using JPEG mode, however Compress softwares
Contracting mode is without being limited thereto, it is of course possible to using MPEG, TIFF, other compressed and decompressed modes such as H.264.
Microcomputer 1217 plays the function of the control unit as camera entirety, is uniformly controlled the various processing of camera
Sequence.Microcomputer 1217 is connected to operating unit 1223 and flash memory 1224.
Operating unit 1223 includes but is not limited to physical button or virtual key, and the entity or virtual key can be electricity
Source button, camera button, edit key, dynamic image button, reproduction button, menu button, cross key, OK button, delete button,
The operational controls such as the various input buttons such as large buttons and various enter keys, detect the mode of operation of these operational controls,.
It will test result to export to microcomputer 1217.In addition, the front surface in the LCD1226 as display is equipped with
Touch panel detects the touch location of user, which is exported to microcomputer 1217.Microcomputer 1217
According to the testing result of the operating position from operating unit 1223, various processing sequences corresponding with the operation of user are executed.
Flash memory 1224 stores the program for executing the various processing sequences of microcomputer 1217.Microcomputer 1217
The control of camera entirety is carried out according to the program.In addition, flash memory 1224 stores the various adjusted values of camera, microcomputer 1217
Adjusted value is read, the control of camera is carried out according to the adjusted value.
SDRAM1218 be for image data etc. temporarily stored can electricity rewrite volatile memory.
SDRAM1218 temporarily stores the image data exported from A/D converter 1214 and in image processor 1215, jpeg processor
1216 it is equal in the image data that carried out that treated.
Memory interface 1219 is connect with recording medium 1225, is carried out image data and the text being attached in image data
First-class control data write-in recording medium 1225 and read from recording medium 1225 of part.Recording medium 1225 is, for example, can
The recording mediums such as memory card of disassembled and assembled freely on camera main-body, however it is without being limited thereto, it is also possible to be built in camera main-body
In hard disk etc..
LCD driver 1220 is connect with LCD1226, will treated that image data is stored in by image processor 1215
SDRAM1218 when needing to show, reads the image data of SDRAM1218 storage and shows on LCD1226, alternatively, at JPEG
The compressed image data of reason device 1216 is stored in SDRAM1218, and when needing to show, jpeg processor 1216 is read
The compressed image data of SDRAM1218, then unzip it, the image data after decompression is carried out by LCD1226
Display.
LCD1226 configuration performs image display at the back side of camera main-body.The LCD1226LCD, however it is without being limited thereto,
The various display panels (LCD1226) such as organic EL can be used, however it is without being limited thereto, it can also be using various displays such as organic EL
Panel.
Electrical structure based on above-mentioned mobile terminal hardware configuration and camera, proposition camera detecting device of the present invention,
Method and each embodiment of multi-cam terminal.
Hereinafter, being carried out by specific embodiment to camera detecting device of the present invention, method and multi-cam terminal detailed
Explanation.
Based on above-mentioned terminal hardware structure and communications network system, each embodiment of the method for the present invention is proposed.
First embodiment
A kind of screen brightness control method is present embodiments provided, the color temperature value of external environment can be presently according to terminal
The brightness of terminal screen is reasonably arranged, is only capable of the brightness setting terminal of the external environment according to locating for terminal at present relatively
The mode of screen intensity had both enriched the set-up mode of screen luminance of terminal, but also screen luminance of terminal and the current institute of terminal
The color temperature value matching for locating environment is more conducive to be promoted to the better visual effect of user's offer, while promoting the guarantor to eyes of user
Effect is protected, the satisfaction of user experience is promoted.
In order to make it easy to understand, the present embodiment is that example is said below with reference to a kind of process of screen brightness control method
It is bright, it is shown in Figure 3 comprising:
S301: the color temperature value of terminal current environment is obtained.
Terminal in the present embodiment can for screen mobile phone, tablet computer, laptop, palm PC,
PDA, portable media player, Intelligent bracelet, smartwatch etc. move class intelligent terminal, are also possible to such as number TV, platform
The fixed class intelligent terminal such as formula computer, vehicle-mounted computer.
In the present embodiment, the mode for obtaining the color temperature value of terminal current environment can be used flexibly.For the ease of reason
Solution, is illustrated its acquisition process with several examples in the present embodiment aft section.
S302: it according to color temperature value and preset color temperature value and screen brightness value corresponding relationship, matches corresponding with color temperature value
Target screen brightness value.
In the present embodiment, the corresponding relationship of color temperature value and screen brightness value can be preset.And this can be by terminal producer
It just pre-sets, can also be configured by way of remotely pushing or upgrading by terminal producer in terminal factory.
In a kind of example of the present embodiment, the corresponding relationship of color temperature value and screen brightness value can also support that user is customized
Setting updates.And it should be understood that the corresponding relationship of color temperature value and screen brightness value can be according to user's use habit, screen
The flexible settings such as influence situation of the curtain brightness for eyes of user.
For example, the corresponding relationship of a kind of exemplary color temperature value and screen brightness value can be found in shown in table one:
Table one
| Color temperature value | Screen brightness value |
| Less than 3000k | 300cd/m2 |
| 3000k to 5000k | 320cd/m2 |
| 5000k to 10000k | 350cd/m2 |
| Greater than 10000k | 400cd/m2 |
For example, it is assumed that the color temperature value for getting terminal current environment is 6000k, then the color according to shown in table one at this time
Temperature value and screen brightness value corresponding relationship, matching target screen brightness value corresponding with color temperature value is 350cd/m2.But it should
Understand, corresponding relationship shown in above-mentioned table one is only the explanation of being easy to understand property, the present embodiment neutral color temperature value and screen
The corresponding relationship of the brightness value corresponding relationship that it is not limited to the above example.
S303: the screen intensity of terminal is set according to target screen brightness value.
In a kind of example, it is assumed that the target screen brightness value matched is 350cd/m2, then the screen intensity of terminal is set
For 350cd/m2。
In order to make it easy to understand, carrying out example to the acquisition of color temperature value with a kind of acquisition modes of color temperature value below the present embodiment
Explanation.
Shown in Figure 4, the color temperature value for obtaining terminal current environment includes:
S401: the rear camera for enabling terminal collects the first image.First image is that terminal is presently in ring
The external image in border.
S402: the gray value information of the available gray-scale statistics point in the first image is extracted.
In this example, point number can be counted to the available gray-scale in collected first image to analyze.At this
In a kind of example of embodiment, collected first image can be divided into multiple regions, it specifically can be according to according to figure
Demand flexible setting.Such as 3027 regions can be divided into a kind of example.Then the pixel in each region is counted
The draw value of R/G and B/G and respectively as the X value and Y value of white balance statistics point distribution map, then according to the X value and Y value white
Whether the point determined in balance statistics point distribution map falls into gray area to determine whether corresponding region constitutes an available gray-scale statistics
Point, if so, then can extract the gray value information of available gray-scale statistics point.Certainly the analysis of the above available gray-scale statistics point is extracted
Mode is only a kind of example, and other examples can also be used in the present embodiment and carry out analysis extraction.
S403: color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.
In the present embodiment, the mode which calculates color temperature value can include but is not limited to gray world algorithm GW
(Gray world Assumption), total reflection theoretical algorithm PR (Perfect Reflector Assumption), GW and PR
Orthogonal Composite algorithm QCGP (Quadratic Combining GW&PR) and colour temperature estimation algorithm；Specific each available gray-scale statistics
The detailed process that color temperature value is calculated in the gray value information of point can be calculated according to several algorithms of above-mentioned example, specifically be calculated
Details are not described herein for journey.
Currently, being both provided with two on more and more intelligent terminals to obtain preferable shooting performance and shooting effect
Or more rear camera.For this Terminal Type, when the present embodiment acquires image progress colour temperature analysis by rear camera,
Corresponding camera can also flexibly be selected.In order to make it easy to understand, below with a kind of intelligent terminal with two cameras into
Row illustrates.
In this example, rear camera includes main rear camera and auxiliary rear camera, the view of auxiliary rear camera
Rink corner is greater than main rear camera；Enable at this time the terminal rear camera acquire the first image may include but be not limited to
Any one in lower three kinds of modes:
It enables auxiliary rear camera and acquires the first image, get the biggish image of field angle at this time, but back colour temperature
The workload of calculating can be relatively large；
It enables main rear camera and acquires the first image；Get the lesser image of field angle at this time, but back colour temperature
The precision of calculating may be relatively poor；
It first enables main rear camera and acquires the first image, do not met in the first image of main rear camera acquisition default
It is required that when, then enable auxiliary rear camera and acquire the first image；In this way can be in conjunction with the advantages of the two ways of front, can use up can
Color temperature value can be accurately got, and can be in the computational efficiency for promoting color temperature value as far as possible.
In order to make it easy to understand, being acquired below to the first image of main rear camera acquisition is first enabled in main rear camera
The first image when not meeting preset requirement, then enable auxiliary rear camera and acquire the first image, to obtain the process of color temperature value
It is illustrated.
In this example, terminal preferentially can only enable main postposition camera shooting when enabling shooting camera acquisition color temperature value
Head carries out Image Acquisition and obtains the first image；Since the field angle of the relatively auxiliary rear camera of main rear camera can be smaller,
Although its institute's energy acquired image range is smaller, the processing of subsequent processing is carried out according to the first image of its acquisition
Data volume also can be smaller, therefore treatment effeciency also can be relatively higher, can promote resource utilization.
Certainly, in some examples of the present embodiment, main rear camera and auxiliary postposition can also be started simultaneously according to demand
Camera, but can first be analyzed according only to collected first image of main rear camera, it is determined in analysis and is unsatisfactory for white put down
When the correcting condition that weighs, then analyzed based on the first image acquired by auxiliary rear camera.
It should be understood that the main rear camera and auxiliary rear camera in the present embodiment can be various cameras.
And in a kind of example of the present embodiment, main rear camera is identical with the shooting direction of auxiliary rear camera namely the two is clapped
Take the photograph same direction.
In this example, determine whether the first image of main rear camera acquisition meets the mode of white balance correction condition
Can be with flexible setting, corresponding white balance correction condition can also flexible setting.For example, determining the first image in a kind of example
Whether meeting white balance correction condition may include but be not limited at least one of the following conditions:
The image type of first image of main rear camera acquisition belongs to the image type in pre-set image type set；
Available gray-scale statistics point number in first image of main rear camera acquisition is less than default effectively statistics point
Number threshold value.
Due to occur not meeting preset requirement the first image the case where, it is more be photographed scene be larger pure color area
Scene, such as photographed scenes such as light-illuminating of the setting sun, large area.It therefore can be according to account of the history or reason in a kind of example
By research etc. statistics there is not meeting preset requirement when picture content, and to these contents carry out using image analysis technology into
Statistics is sorted out in row analysis.Then in shooting process, figure can be used to the content for the first image that main rear camera acquires
Picture analytical technology (identical image analysis technology when statistics can be used) is analyzed, and then determines whether first image belongs to
Image type in pre-set image type set.Therefore preset requirement may include the acquisition of main rear camera the whether is not met
The image type of one image belongs to the image type in pre-set image type set.
In the present embodiment, the mode for obtaining color temperature value may include but be not limited to any one in following three kinds of modes:
Mode one: shown in Figure 5, comprising:
S501: the gray value information that auxiliary rear camera acquires available gray-scale statistics point in the first image is directly extracted.
S502: color temperature value is calculated according to the gray value information of each available gray-scale statistics point.
Such as S502 can be used but be not limited to gray world algorithm and calculate color temperature value.
Mode two: shown in Figure 6, comprising:
S601: the gray value information of available gray-scale statistics point in the first image of main rear camera acquisition is extracted, and is mentioned
Take the gray value information of the available gray-scale statistics point in the first image of auxiliary rear camera acquisition in predeterminable area.
S602: color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.
Wherein predeterminable area is the first figure acquired with main rear camera in the first image of auxiliary rear camera acquisition
As non-overlapping region；Gray world algorithm, GW and PR Orthogonal Composite algorithm or color can be used but are not limited in this mode
Warm estimation algorithm calculates.
Mode three: shown in Figure 7, comprising:
S701: extracting the gray value information of available gray-scale statistics point in the first image of main rear camera acquisition, according to
The gray value information of each available gray-scale statistics point extracted calculates the first color temperature value.
S702: extracting the gray value information of available gray-scale statistics point in the first image of auxiliary rear camera acquisition, according to
The gray value information of each available gray-scale statistics point extracted calculates the second color temperature value.Wherein the first color temperature value and the second color temperature value
Calculation can use same way, and different modes can also be used；And first color temperature value calculate and the second color temperature value calculating
It can carry out, can also one in front and one in back carry out simultaneously, can first calculate the first color temperature value when one in front and one in back carrying out, then calculate second
Color temperature value can also first calculate the second color temperature value, then calculate the first color temperature value.
S703: respectively by the first color temperature value and the second color temperature value multiplied by the first weighted value and the second weighted value and then phase
Add to obtain color temperature value.
As it can be seen that the screen brightness control method provided through this embodiment can pass through a variety of sides in terminal use process
Formula is accurate, efficiently gets color temperature value depending on terminal local environment, and then sets the screen intensity of terminal to and the setting
For matched brightness, while enriching the set-up mode of screen intensity, user's vision and usage experience are promoted.
Second embodiment
In order to make it easy to understand, the present embodiment is on the basis of the above embodiments, below with the acquisition of other two kinds of color temperature values
Mode is illustrated.
It is shown in Figure 8, one of color temperature value for obtaining terminal current environment provided in this embodiment can include:
S801: the front camera for enabling terminal collects the second image.
S802: the gray value information of the available gray-scale statistics point in the second image of acquisition is extracted.Wherein propose mode
The mode of above-mentioned example can be used, details are not described herein.
S803: color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.Specific calculating side
Formula can use but be not limited to the several ways of above-mentioned example, and details are not described herein.
It is shown in Figure 9, another color temperature value for obtaining terminal current environment provided in this embodiment can include:
S901: it enables the rear camera of terminal respectively and front camera collects the first image and the second image.
Wherein, the acquisition timing of the first image and the second image has no stringent display, can first acquire the first image, then adopt
Collect the second image, can also first acquire the second image, then acquire the first image.
S902: the gray value information of available gray-scale statistics point in the first image is extracted, is united according to each available gray-scale of extraction
The gray value information of enumeration calculates the first color temperature value.
S903: the gray value information of available gray-scale statistics point in the second image is extracted, is united according to each available gray-scale of extraction
The gray value information of enumeration calculates the second color temperature value.Wherein between the first color temperature value and the second color temperature value obtain also without strictly
Timing shows that the two parallel computation obtains, and can also one in front and one in back calculate acquisition.
S904: respectively by the first color temperature value and the second color temperature value multiplied by the first weighted value and the second weighted value and then phase
Add to obtain color temperature value.
The specific setting of the first weighted value and the second weighted value can be with flexible choice in the present embodiment.Such as a kind of example
In, the sum of settable first weighted value and the second weighted value are equal to 1, such as the first weighted value is equal to 0.5, and the second weighted value is also etc.
In 0.5；Or first weighted value be equal to 0.4, the second weighted value be equal to 0.6 etc..
In a kind of example of the present embodiment, in order to promote resource utilization, can also terminal current environment be being obtained
Color temperature value before, first judgement currently whether meet at least one of the following conditions, if satisfaction obtain the current institute of terminal again
Locate the color temperature value of environment；Otherwise, it can not obtain.
Whether the time interval value of the last color temperature value for obtaining terminal local environment of distance reaches prefixed time interval threshold
Value；Such as the preset time threshold can be set to 10 minutes, 30 minutes etc. 20 minutes；
Whether the location information of terminal changes, and in general position is changed, then external environment is also possible to
It changes, therefore can trigger obtain color temperature value to be configured to screen intensity at this time.
In addition, in the present embodiment, after being matched to target screen brightness value according to color temperature value, the screen intensity of terminal is arranged
May include:
Judge whether terminal current set screen brightness value and target screen brightness value are identical, if not, by terminal
Screen brightness value is set as the target screen brightness value；As identical, then subsequent setting steps of enforceability.
Certainly, in other some embodiments, target screen intensity directly can also be set by the screen intensity of terminal
Value.
In order to further enhance the accuracy and reasonability of screen intensity setting, in the present embodiment, according to color temperature value
After getting target screen brightness value, the brightness that may also be combined with external environment locating for present terminal is configured, namely is based on
Two dimensions of color temperature value and brightness value of external environment locating for terminal, are configured the brightness value of terminal screen, to be promoted
The reasonability and accuracy of setting.Screen intensity setting up procedure at this time can be found in shown in Figure 10, comprising:
S1001: the ambient brightness value of terminal current environment is obtained.
Wherein the ambient brightness value of terminal current environment can be obtained by light sensor, can also pass through image point
Analysis technology acquisition etc., is no longer specifically described again.
S1002: it according to the ambient brightness value and preset ambient brightness value and weighted value corresponding relationship got, determines
Target weighted value corresponding with the ambient brightness value.
It should be understood that the ambient brightness value in the present embodiment can be set in advance with weighted value corresponding relationship by terminal producer
It is fixed, it also can be customized by users setting, and dynamic can be supported to update.
S1003: target weighted value is set multiplied by the obtained value of target screen brightness value by the screen brightness value of terminal.
The screen luminance of terminal control method provided through this embodiment in this way, in addition to the ring according to locating for terminal may be implemented
The color temperature value in border is associated outside setting the brightness value of terminal screen, can also be further combined with according to terminal current environment
Brightness value to screen luminance of terminal value set, therefore can be promoted screen luminance of terminal setting reasonability and accuracy, it is rich
While rich screen intensity set-up mode, the satisfaction of user experience is promoted.
3rd embodiment
A kind of terminal is present embodiments provided, which can be mobile phone, tablet computer, notebook electricity with screen
Brain, palm PC, PDA, portable media player, navigation device, wearable device, Intelligent bracelet, pedometer etc. are mobile eventually
End, is also possible to the fixed cellular terminals such as number TV, desktop computer.And it is shown in Figure 11, in the present embodiment
Terminal includes processor 1101, memory 1102 and communication bus 1103；
Communication bus 1103 is for realizing the communication connection between processor 1101 and memory 1102；
Processor 1101 is for executing one or more program stored in memory 1102, to realize as above each implement
The step of screen brightness control method shown in example.
The present embodiment additionally provides a kind of computer readable storage medium, which can be applied to respectively
In kind terminal, it is stored with one or more program, which can be held by one or more processor
Row, the step of to realize as above screen brightness control method shown in each embodiment.
It should be noted that, in this document, term " includes ", " comprising " or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that flexible screen terminal (it can be mobile phone, computer,
Server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of screen brightness control method, which is characterized in that be applied to terminal, the screen brightness control method includes:
Obtain the color temperature value of terminal current environment；
According to the color temperature value and preset color temperature value and screen brightness value corresponding relationship, match corresponding for the color temperature value
Target screen brightness value；
The screen intensity of the terminal is set according to the target screen brightness value.
2. screen brightness control method as described in claim 1, which is characterized in that the acquisition terminal current environment
Color temperature value includes:
The rear camera for enabling the terminal collects the first image；
Extract the gray value information of the available gray-scale statistics point in the first image；
Color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.
3. screen brightness control method as claimed in claim 2, which is characterized in that the rear camera includes that main postposition is taken the photograph
As head and auxiliary rear camera, the field angle of the auxiliary rear camera is greater than the main rear camera；Described in the enabling
The rear camera of terminal acquires the first image
It enables the auxiliary rear camera and acquires the first image；
Or, enabling the main rear camera acquires the first image；
Or, first enabling the main rear camera acquires the first image, the main rear camera acquisition the first image not
When meeting preset requirement, then enables the auxiliary rear camera and acquire the first image.
4. screen brightness control method as described in claim 1, which is characterized in that the acquisition terminal current environment
Color temperature value includes:
The front camera for enabling the terminal collects the second image；
Extract the gray value information of the available gray-scale statistics point in second image；
Color temperature value is calculated according to the gray value information of each available gray-scale of extraction statistics point.
5. screen brightness control method as described in claim 1, which is characterized in that the acquisition terminal current environment
Color temperature value includes:
The rear camera and front camera for enabling the terminal respectively collect the first image and the second image；
The gray value information for extracting available gray-scale statistics point in the first image, according to each available gray-scale of extraction statistics point
Gray value information calculates the first color temperature value；
The gray value information for extracting available gray-scale statistics point in second image, according to each available gray-scale of extraction statistics point
Gray value information calculates the second color temperature value；
First color temperature value multiplied by the first weighted value and the second weighted value and then is added with second color temperature value respectively
Obtain the color temperature value.
6. screen brightness control method as described in any one in claim 1-5, which is characterized in that obtain terminal and be presently in ring
Further include currently whether meeting at least one of the following conditions before the color temperature value in border:
Whether the time interval value of the last color temperature value for obtaining terminal local environment of distance reaches prefixed time interval threshold value；
Whether the location information of the terminal changes.
7. screen brightness control method as described in any one in claim 1-5, which is characterized in that bright according to the target screen
The screen intensity that the terminal is arranged in angle value includes:
Judge whether the current set screen brightness value of the terminal and the target screen brightness value are identical, if not, by institute
The screen brightness value for stating terminal is set as the target screen brightness value.
8. screen brightness control method as described in any one in claim 1-5, which is characterized in that bright according to the target screen
The screen intensity that the terminal is arranged in angle value includes:
Obtain the ambient brightness value of the terminal current environment；
According to the ambient brightness value and preset ambient brightness value and weighted value corresponding relationship, determine and the ambient brightness value
Corresponding target weighted value；
It is obtained multiplied by the target screen brightness value that the target weighted value is set by the screen brightness value of the terminal
Value.
9. a kind of terminal, which is characterized in that the terminal includes processor, memory and communication bus；
The communication bus is for realizing the communication connection between the processor and the memory；
The processor is for executing one or more program stored in memory, to realize as claim 1-8 is any
The step of screen brightness control method described in item.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be executed by one or more processor, to realize that claim 1-8 such as appoints
The step of screen brightness control method described in one.
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| CN201811616281.8A CN109842723A (en) | 2018-12-27 | 2018-12-27 | Terminal and its screen brightness control method and computer readable storage medium |
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| CN201811616281.8A CN109842723A (en) | 2018-12-27 | 2018-12-27 | Terminal and its screen brightness control method and computer readable storage medium |
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| CN110808002A (en) * | 2019-11-28 | 2020-02-18 | 北京迈格威科技有限公司 | Screen display compensation method and device and electronic equipment |
| CN112379803A (en) * | 2020-11-12 | 2021-02-19 | 深圳市沃特沃德股份有限公司 | Screen brightness adjusting method and device, computer equipment and storage medium |
| CN112735352A (en) * | 2020-12-31 | 2021-04-30 | Oppo广东移动通信有限公司 | Color temperature self-adaptive adjusting method, device, equipment and medium for display equipment |
| WO2021120383A1 (en) * | 2019-12-20 | 2021-06-24 | 惠州Tcl移动通信有限公司 | Screen color temperature control method and apparatus, storage medium, and mobile terminal |
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| WO2021120383A1 (en) * | 2019-12-20 | 2021-06-24 | 惠州Tcl移动通信有限公司 | Screen color temperature control method and apparatus, storage medium, and mobile terminal |
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| CN112379803A (en) * | 2020-11-12 | 2021-02-19 | 深圳市沃特沃德股份有限公司 | Screen brightness adjusting method and device, computer equipment and storage medium |
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