CN108206012A - Gamma correction method and device - Google Patents
Gamma correction method and device Download PDFInfo
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- CN108206012A CN108206012A CN201611185020.6A CN201611185020A CN108206012A CN 108206012 A CN108206012 A CN 108206012A CN 201611185020 A CN201611185020 A CN 201611185020A CN 108206012 A CN108206012 A CN 108206012A
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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- Liquid Crystal Display Device Control (AREA)
- Controls And Circuits For Display Device (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The disclosure discloses a kind of gamma correction method and device, belongs to field of liquid crystal display.The method includes：Obtain ambient light intensity；According to the ambient light intensity in preset at least two gamma corrections strategy, target gamma correction strategy is determined；Gamma correction is carried out to display equipment using the target gamma correction strategy.The method solves the gamma correction strategy for ensureing colour temperature consistency, can lose the display brightness of display equipment, causes to show the problem of display effect of the equipment under light environment is poor；Reach under different ambient light intensities, gamma correction is carried out to display equipment using different gamma correction strategies, improves display effect of the display equipment under high luminous environment.
Description
Technical field
This disclosure relates to field of liquid crystal display, more particularly to a kind of gamma correction method and device.
Background technology
Gamma (English：Gamma it) corrects for compensating color display difference existing for different display equipment, it is same so as to make
Image shows identical display effect in different display equipment.
Since the colour temperature difference of the liquid crystal display of different batches is very big, the manufacturer of smart mobile phone is usually to ensure that colour temperature is consistent
Property for the purpose of, for display equipment set gamma correction strategy.
Invention content
In order to solve to ensure the gamma correction strategy of colour temperature consistency, the display brightness of display equipment can be lost, causes to show
Show the problem of display effect of the equipment under light environment is poor, the disclosure provides a kind of gamma correction method and device.It is described
Technical solution is as follows：
According to the embodiment of the present disclosure in a first aspect, providing a kind of gamma correction method, this method includes：
Obtain ambient light intensity；
According to ambient light intensity in preset at least two gamma corrections strategy, target gamma correction strategy is determined；
Gamma correction is carried out to display equipment using target gamma correction strategy.
In an alternate embodiment of the invention, it is determined in preset at least two gamma corrections strategy according to ambient light intensity
Target gamma correction strategy, including：
If gamma correction strategy currently in use is the first gamma correction strategy, detect whether ambient light intensity is more than the
One Intensity threshold；
If ambient light intensity is more than the first Intensity threshold, it is determined that the second gamma correction strategy is target gamma correction plan
Slightly；
Wherein, first display brightness of the same pixel value after the correction of the first gamma correction strategy is less than in the second gamma school
The second display brightness after positive strategy correction.
In an alternate embodiment of the invention, it is determined in preset at least two gamma corrections strategy according to ambient light intensity
Target gamma correction strategy, including：
If gamma correction strategy currently in use is the second gamma correction strategy, detect whether ambient light intensity is less than the
Two Intensity thresholds；
If ambient light intensity is less than the second Intensity threshold, it is determined that the first gamma correction strategy is target gamma correction plan
Slightly.
In an alternate embodiment of the invention, the first Intensity threshold is more than the second Intensity threshold.
In an alternate embodiment of the invention, the first gamma correction strategy is set gamma for the purpose of ensureing colour temperature consistency
Correction Strategies；Second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.
According to the second aspect of the disclosure, a kind of gamma correcting device is provided, which includes：
Acquisition module is configured as obtaining ambient light intensity；
Determining module is configured as according to ambient light intensity in preset at least two gamma corrections strategy, determines
Target gamma correction strategy；
Correction module is configured with target gamma correction strategy and carries out gamma correction to display equipment.
In an alternate embodiment of the invention, determining module, including：Detection sub-module and determination sub-module；
Detection sub-module if being configured as gamma correction strategy currently in use as the first gamma correction strategy, detects
Whether ambient light intensity is more than the first Intensity threshold；Determination sub-module, if being configured as ambient light intensity more than the first light intensity threshold
Value, it is determined that the second gamma correction strategy is target gamma correction strategy；
Wherein, first display brightness of the same pixel value after the correction of the first gamma correction strategy is less than in the second gamma school
The second display brightness after positive strategy correction.
In an alternate embodiment of the invention, detection sub-module, if being configured as gamma correction strategy currently in use as the second gal
Horse Correction Strategies, then detect whether ambient light intensity is less than the second Intensity threshold；Determination sub-module, if being configured as environmental light intensity
Degree is less than the second Intensity threshold, it is determined that the first gamma correction strategy is target gamma correction strategy.
In an alternate embodiment of the invention, the first Intensity threshold is more than the second Intensity threshold.
In an alternate embodiment of the invention, the first gamma correction strategy is set gamma for the purpose of ensureing colour temperature consistency
Correction Strategies；Second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.
According to the third aspect of the disclosure, a kind of gamma correcting device is provided, which includes：
Processor；
For storing the memory of processor-executable instruction；
Wherein, processor is configured as：
Obtain ambient light intensity；
According to ambient light intensity in preset at least two gamma corrections strategy, target gamma correction strategy is determined；
Gamma correction is carried out to display equipment using target gamma correction strategy.
The technical scheme provided by this disclosed embodiment can include the following benefits：
By providing at least two gamma correction strategies, suitable target gamma correction strategy is selected according to ambient light intensity
Gamma correction is carried out to display equipment；It solves the gamma correction strategy for ensureing colour temperature consistency, the aobvious of display equipment can be lost
Show brightness, cause to show the problem of display effect of the equipment under light environment is poor；Reach in different ambient light intensities
Under, gamma correction is carried out to display equipment using different gamma correction strategies, improves display equipment under high luminous environment
Display effect.
It should be understood that above general description and following detailed description is only exemplary, this can not be limited
It is open.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the disclosure
Example, and in specification together for explaining the principle of the disclosure.
Fig. 1 is the structure diagram according to the terminal shown in an exemplary embodiment；
Fig. 2 is the flow chart according to the gamma correction method shown in an exemplary embodiment；
Fig. 3 is the flow chart of the gamma correction method shown according to another exemplary embodiment；
Fig. 4 is the flow chart of the gamma correction method shown according to another exemplary embodiment；
Fig. 5 is the block diagram according to the gamma correcting device shown in an exemplary embodiment；
Fig. 6 is the block diagram of the gamma correcting device shown according to another exemplary embodiment；
Fig. 7 is the structure diagram according to the terminal shown in an exemplary embodiment.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The embodiment that the disclosure provides is with mobile terminal for example, the mobile terminal, which includes at least, liquid crystal display
Shield, include backlight, TFT (Thin Film Transistor, thin film transistor (TFT)) switch element, liquid crystal in liquid crystal display
Unit etc..Liquid crystal display is used to show the output content of mobile terminal；Backlight is used to control the brightness of liquid crystal display；
TFT switch element is used to control the gray scale voltage of corresponding liquid crystal cells in liquid crystal display.Liquid crystal cells refer to RGB (Red,
Green、Blue；RGB) liquid crystal cells.
Gray scale voltage in liquid crystal display refers to each liquid crystal display and the data line phase in data driving chip
Drain electrode voltage even.Such as：By taking 8 plane plates as an example, 0-255 totally 256 greyscale pixel values, 0-255 grayscale pictures can be shown
Each greyscale pixel value in plain value is corresponding with the gray scale voltage of itself, by each grayscale and grayscale corresponding with the grayscale
Voltage regards a point as, so as to obtain 256 corresponding points, by this 256 corresponding point-renderings into a curve be gamma
Curve.
In the related art, usually for the purpose of keeping colour temperature consistency, to set gamma correction curve.Principle is exactly logical
The gray scale voltage of adjustment RGB liquid crystal cells is crossed, the white of liquid crystal display is made to reach the target value being previously set, but it is this
Method can bring the luminance loss of liquid crystal display.
Fig. 1 is the structure diagram according to the terminal shown in an exemplary embodiment.The terminal includes：Processor 120 is shown
Show driving unit 140 and liquid crystal display panel 160.
Processor 120 can be central processing unit or graphics processor.Processor 120 shows content for generating, than
Such as still image or video frame.
Display driver element 140 can be DDIC (Display Driver Integrated Circuit, display driving
Integrated circuit), display driver element 140 is used for the pixel value according to pixel each in display content, to liquid crystal display panel
In corresponding liquid crystal cells output gray scale voltage.
Liquid crystal display panel 160 includes multiple liquid crystal cells.For example, the resolution ratio of liquid crystal display panel 160 is 1920*
1080, each pixel includes three liquid crystal cells of RGB, then liquid crystal display panel 160 includes 1920*1080*3 liquid crystal
Unit.
Wherein, processor 120 or display driver element 140 can perform gamma correction strategy.It is performed in processor 120
Gamma correction strategy, typically the pixel value of pixel in display content is adjusted；It is performed in display driver element 140
Gamma correction strategy, typically the gray scale voltage of liquid crystal cells is adjusted.
Fig. 2 is the flow chart of the gamma correction method shown in one exemplary embodiment of the present embodiment.The present embodiment is with the gal
Horse bearing calibration is illustrated applied to the processor 120 in Fig. 1 or display driver element 140.This method includes：
In step 202, ambient light intensity is obtained；
Optionally, it is provided with optical sensor in terminal.Such as：Optical sensor is arranged near the front receiver of terminal.It should
Optical sensor has the ability of acquisition ambient light intensity.
Optionally, it is provided with camera in terminal.After camera takes a frame image, processor by image into
Row analysis, obtains ambient light intensity.
In step 204, target gal is determined in preset at least two gamma corrections strategy according to ambient light intensity
Horse Correction Strategies；
At least two gamma correction strategies are previously provided in terminal, each gamma correction strategy is suitable for different illumination
The display of environment.
Schematically, in terminal setting there are two types of gamma correction strategy, the first gamma correction strategy be suitable for half-light or
The display of normal illumination environment；Second gamma correction strategy is suitable for the display of bloom light environment.
Illustratively, there are three types of gamma correction strategies for setting in terminal, and the first gamma correction strategy is suitable for normal illumination
The display of environment；Second gamma correction strategy is suitable for the display of bloom light environment；Third gamma correction strategy is suitable for dark
The display of light light environment.
Terminal is determined current according to current real-time ambient light intensity in scheduled at least two gamma corrections strategy
Applicable target gamma correction strategy.
In step 206, gamma correction is carried out to display equipment using target gamma correction strategy.
Terminal carries out gamma correction using target gamma correction strategy to display equipment.
In conclusion gamma correction method provided in this embodiment, by providing at least two gamma correction strategies, according to
Ambient light intensity selects suitable target gamma correction strategy to carry out gamma correction to display equipment；It solves and ensures that colour temperature is consistent
Property gamma correction strategy, the display brightness of display equipment can be lost, cause to show display effect of the equipment under light environment
The problem of poor；Reach under different ambient light intensities, gal is carried out to display equipment using different gamma correction strategies
Horse corrects, and improves display effect of the display equipment under high luminous environment.、
In the examples below, using gamma correction strategy pre-set in terminal as two kinds：First gamma correction strategy
With the second gamma correction strategy, it is illustrated.
Optionally, the first gamma correction strategy is set gamma correction strategy for the purpose of ensureing colour temperature consistency；
Second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.Wherein, same pixel value
The first display brightness after the correction of the first gamma correction strategy is less than the second display after the correction of the second gamma correction strategy
Brightness.
For example, the first gamma correction strategy is the gamma correction strategy based on gamma 2.2, the second gamma correction strategy is base
In the gamma correction strategy of gamma 1.8.
Fig. 3 is the flow chart of the gamma correction method shown in one exemplary embodiment of the present embodiment.The present embodiment is with the gal
Horse bearing calibration is illustrated applied to processor 120 or display driver chip 140.This method includes：
In step 301, ambient light intensity is obtained；
Optionally, it is provided with optical sensor in terminal.Such as：Optical sensor is arranged near the front receiver of terminal.It should
Optical sensor has the ability of acquisition ambient light intensity.
Optionally, it is provided with camera in terminal.After camera takes a frame image, processor by image into
Row analysis, obtains ambient light intensity.
In step 302, if gamma correction strategy currently in use is the first gamma correction strategy, environmental light intensity is detected
Whether degree is more than the first Intensity threshold；
After powering, it is the first gamma correction strategy to give tacit consent to the gamma correction strategy used to terminal.
When ambient light intensity is more than the first Intensity threshold, 303 are entered step；When ambient light intensity is not more than the first light intensity
During threshold value, 304 are entered step；
In step 303, if ambient light intensity is more than the first Intensity threshold, it is determined that the second gamma correction strategy is target
Gamma correction strategy；
Optionally, since when ambient light is highlighted ambient light, when showing the luminance shortage of equipment, user is difficult to see clearly aobvious
Show the display content shown by equipment.At this point, keep the colour temperature consistency for showing equipment that can not provide good display effect,
But it needs to improve the whole display brightness for showing equipment.
Second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.Second gamma
Correction Strategies can ensure to show that equipment has higher display brightness.
In step 304, it keeps using the first gamma correction strategy, the first gamma correction strategy is to ensure that colour temperature is consistent
Property for the purpose of set gamma correction strategy.
In step 305, gamma correction is carried out to display equipment using target gamma correction strategy.
In conclusion gamma correction method provided in this embodiment, can use the second gal when environmental light brightness is higher
Horse Correction Strategies carry out gamma correction to display equipment, so as to ensure to show that equipment has good display under high luminous environment
Effect.
Fig. 4 is the flow chart of the gamma correction method shown in one exemplary embodiment of the present embodiment.The present embodiment is with the gal
Horse bearing calibration is illustrated applied to processor 120 or display driver chip 140.Fig. 3 and Fig. 4 embodiments can combine
Implement, this method includes：
In step 401, ambient light intensity is obtained；
Optionally, it is provided with optical sensor in terminal.Such as：Optical sensor is arranged near the front receiver of terminal.It should
Optical sensor has the ability of acquisition ambient light intensity.
Optionally, it is provided with camera in terminal.After camera takes a frame image, processor by image into
Row analysis, obtains ambient light intensity.
In step 402, if gamma correction strategy currently in use is the second gamma correction strategy, environmental light intensity is detected
Whether degree is less than the second Intensity threshold；
For terminal under the specular scene of embodiment 3, the target gamma correction strategy used is the second gamma correction strategy.
When ambient light intensity is less than the second Intensity threshold, 403 are entered step；When ambient light intensity is not less than the second light intensity
During threshold value, 404 are entered step；
In step 403, if ambient light intensity is less than the second Intensity threshold, it is determined that the first gamma correction strategy is target
Gamma correction strategy；
Optionally, the second Intensity threshold is less than the first Intensity threshold, for example, the second Intensity threshold is smaller than the first Intensity threshold
500lux.So as to avoid when ambient light intensity fluctuates near the first Intensity threshold, terminal in the first gamma correction strategy and
It is toggled between second gamma correction strategy.
Optionally, due to when ambient light is non-highlighted ambient light, showing the colour temperature consistency of equipment to display effect
It is affected, needs the colour temperature consistency for ensureing to show equipment at this time.
First gamma correction strategy is set gamma correction strategy for the purpose of ensureing colour temperature consistency.First gamma
Correction Strategies can ensure to show that equipment has preferable colour temperature consistency.
In step 404, it keeps using the second gamma correction strategy, the second gamma correction strategy is to ensure maximum brightness
Set gamma correction strategy for the purpose of value.
In step 405, gamma correction is carried out to display equipment using target gamma correction strategy.
In conclusion gamma correction method provided in this embodiment, can be low light intensity or normal ring in environmental light brightness
During the light intensity of border, gamma correction is carried out to display equipment using the first gamma correction strategy, so as to ensure low light intensity or normal
Show that equipment has good colour temperature consistency effect under environmental light intensity environment.
Following is embodiment of the present disclosure, can be used for performing embodiments of the present disclosure.For disclosure device reality
The details not disclosed in example is applied, please refers to embodiments of the present disclosure.
Fig. 5 is the block diagram according to a kind of gamma correcting device shown in an exemplary embodiment.The gamma correcting device leads to
Cross hardware, software or both be implemented in combination with as terminal all or part of.As shown in figure 5, the device is included but not
It is limited to：Acquisition module 520, determining module 540 and correction module 560.
Acquisition module 520 is configured as obtaining ambient light intensity；
Determining module 540 is configured as according to ambient light intensity in preset at least two gamma corrections strategy, is determined
Go out target gamma correction strategy；
Correction module 560 is configured with target gamma correction strategy and carries out gamma correction to display equipment.
In conclusion gamma correcting device provided in this embodiment, by providing at least two gamma correction strategies, according to
Ambient light intensity selects suitable target gamma correction strategy to carry out gamma correction to display equipment；It solves and ensures that colour temperature is consistent
Property gamma correction strategy, the display brightness of display equipment can be lost, cause to show display effect of the equipment under light environment
The problem of poor；Reach under different ambient light intensities, gal is carried out to display equipment using different gamma correction strategies
Horse corrects, and improves display effect of the display equipment under high luminous environment.
Fig. 6 is the block diagram according to a kind of gamma correcting device shown in an exemplary embodiment.The gamma correcting device leads to
Cross hardware, software or both be implemented in combination with as terminal all or part of.As shown in fig. 6, the device is included but not
It is limited to：Acquisition module 620, determining module 640 and correction module 660.
Acquisition module 520 is configured as obtaining ambient light intensity；
Determining module 540 is configured as according to ambient light intensity in preset at least two gamma corrections strategy, is determined
Go out target gamma correction strategy；
Correction module 560 is configured with target gamma correction strategy and carries out gamma correction to display equipment.
In an alternate embodiment of the invention, determining module 540, including：Detection sub-module 542 and determination sub-module 544；
Detection sub-module 542 if being configured as gamma correction strategy currently in use as the first gamma correction strategy, is examined
Survey whether ambient light intensity is more than the first Intensity threshold；Determination sub-module 544, if being configured as ambient light intensity more than the first light
Strong threshold value, it is determined that the second gamma correction strategy is target gamma correction strategy；
Wherein, first display brightness of the same pixel value after the correction of the first gamma correction strategy is less than in the second gamma school
The second display brightness after positive strategy correction.
In an alternate embodiment of the invention, detection sub-module 542, if it is second to be configured as gamma correction strategy currently in use
Gamma correction strategy, then detect whether ambient light intensity is less than the second Intensity threshold；Determination sub-module 544, if being configured as ring
Border luminous intensity is less than the second Intensity threshold, it is determined that the first gamma correction strategy is target gamma correction strategy.
In an alternate embodiment of the invention, the first Intensity threshold is more than the second Intensity threshold.
In an alternate embodiment of the invention, the first gamma correction strategy is set gamma for the purpose of ensureing colour temperature consistency
Correction Strategies；Second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.
In conclusion gamma correcting device provided in this embodiment, by providing at least two gamma correction strategies, according to
Ambient light intensity selects suitable target gamma correction strategy to carry out gamma correction to display equipment；It solves and ensures that colour temperature is consistent
Property gamma correction strategy, the display brightness of display equipment can be lost, cause to show display effect of the equipment under light environment
The problem of poor；Reach under different ambient light intensities, gal is carried out to display equipment using different gamma correction strategies
Horse corrects, and improves display effect of the display equipment under high luminous environment.
In conclusion gamma correcting device provided in this embodiment, can use the second gal when environmental light brightness is higher
Horse Correction Strategies carry out gamma correction to display equipment, so as to ensure to show that equipment has good display under high luminous environment
Effect.
In conclusion gamma correcting device provided in this embodiment, can be low light intensity or normal ring in environmental light brightness
During the light intensity of border, gamma correction is carried out to display equipment using the first gamma correction strategy, so as to ensure low light intensity or normal
Show that equipment has good colour temperature consistency effect under environmental light intensity environment.
About the device in above-described embodiment, wherein modules perform the concrete mode of operation in related this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
One exemplary embodiment of the disclosure provides a kind of gamma correcting device, can realize the gamma school that the disclosure provides
Correction method, the gamma correcting device include：Processor, the memory for storing processor-executable instruction；
Wherein, processor is configured as：
Obtain ambient light intensity；
According to ambient light intensity in preset at least two gamma corrections strategy, target gamma correction strategy is determined；
Gamma correction is carried out to display equipment using target gamma correction strategy.
Fig. 7 is the block diagram according to a kind of gamma correcting device shown in an exemplary embodiment.For example, device 700 can be with
It is mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building
Equipment, personal digital assistant etc..
With reference to Fig. 7, device 700 can include following one or more components：Processing component 702, memory 704, power supply
Component 706, multimedia component 708, audio component 710, input/output (I/O) interface 712, sensor module 714, Yi Jitong
Believe component 716.
The integrated operation of 702 usual control device 700 of processing component, such as with display, call, data communication, phase
Machine operates and record operates associated operation.Processing component 702 can refer to including one or more processors 718 to perform
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 702 can include one or more modules, just
Interaction between processing component 702 and other assemblies.For example, processing component 702 can include multi-media module, it is more to facilitate
Interaction between media component 708 and processing component 702.
Memory 704 is configured as storing various types of data to support the operation in device 700.These data are shown
Example includes the instruction of any application program or method for being operated on device 700, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 704 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 706 provides electric power for the various assemblies of device 700.Power supply module 706 can include power management system
System, one or more power supplys and other generate, manage and distribute electric power associated component with for device 700.
Multimedia component 708 is included in the screen of one output interface of offer between device 700 and user.In some realities
It applies in example, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen can
To be implemented as touch screen, to receive input signal from the user.Touch panel include one or more touch sensors with
Sense the gesture on touch, slide, and touch panel.Touch sensor can not only sense the boundary of a touch or slide action, and
And also detection and touch or the relevant duration and pressure of slide.In some embodiments, multimedia component 708 includes
One front camera and/or rear camera.It is preceding during such as screening-mode or video mode when device 700 is in operation mode
External multi-medium data can be received by putting camera and/or rear camera.Each front camera and rear camera can
To be a fixed optical lens system or there are focusing and optical zoom capabilities.
Audio component 710 is configured as output and/or input audio signal.For example, audio component 710 includes a Mike
Wind (MIC), when device 700 is in operation mode, during such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The received audio signal can be further stored in memory 704 or via communication set
Part 716 is sent.In some embodiments, audio component 710 further includes a loud speaker, for exports audio signal.
I/O interfaces 712 provide interface between processing component 702 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor module 714 includes one or more sensors, and the state for providing various aspects for device 700 is commented
Estimate.For example, sensor module 714 can detect opening/closed state of device 700, the relative positioning of component, such as component
For the display and keypad of device 700, sensor module 714 can be with the position of 700 1 components of detection device 700 or device
Put change, the existence or non-existence that user contacts with device 700,700 orientation of device or acceleration/deceleration and the temperature of device 700
Variation.Sensor module 714 can include proximity sensor, be configured to detect without any physical contact near
The presence of object.Sensor module 714 can also include optical sensor, such as CMOS or ccd image sensor, for should in imaging
With middle use.In some embodiments, which can also include acceleration transducer, gyro sensor, magnetic
Sensor, pressure sensor or temperature sensor.
Communication component 716 is configured to facilitate the communication of wired or wireless way between device 700 and other equipment.Device
700 can access the wireless network based on communication standard, such as Wi-Fi, 2G or 3G or combination thereof.In an exemplary reality
It applies in example, communication component 716 receives broadcast singal or the related letter of broadcast from external broadcasting management system via broadcast channel
Breath.In one exemplary embodiment, communication component 716 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 700 can be believed by one or more application application-specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing above-mentioned gamma correction method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 704 of instruction, above-metioned instruction can be performed to complete above-mentioned gamma correction side by the processor 718 of device 700
Method.For example, non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape,
Floppy disk and optical data storage devices etc..
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice invention disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.
Claims (11)
1. a kind of gamma correction method, which is characterized in that the method includes：
Obtain ambient light intensity；
According to the ambient light intensity in preset at least two gamma corrections strategy, target gamma correction strategy is determined；
Gamma correction is carried out to display equipment using the target gamma correction strategy.
2. according to the method described in claim 1, it is characterized in that, it is described according to the ambient light intensity preset at least two
In kind gamma correction strategy, target gamma correction strategy is determined, including：
If gamma correction strategy currently in use is the first gamma correction strategy, detect whether the ambient light intensity is more than the
One Intensity threshold；
If the ambient light intensity is more than first Intensity threshold, it is determined that the second gamma correction strategy is the target gamma
Correction Strategies；
Wherein, first display brightness of the same pixel value after the first gamma correction strategy correction is less than in second gal
The second display brightness after the correction of horse Correction Strategies.
3. according to the method described in claim 2, it is characterized in that, it is described according to the ambient light intensity preset at least two
In kind gamma correction strategy, target gamma correction strategy is determined, including：
If gamma correction strategy currently in use is the second gamma correction strategy, whether small the ambient light intensity is detected
In the second Intensity threshold；
If the ambient light intensity is less than second Intensity threshold, it is determined that the first gamma correction strategy is the target
Gamma correction strategy.
4. according to the method described in claim 3, it is characterized in that, first Intensity threshold is more than the second light intensity threshold
Value.
5. according to any method of claim 2 to 4, which is characterized in that
The first gamma correction strategy is set gamma correction strategy for the purpose of ensureing colour temperature consistency；
The second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.
6. a kind of gamma correcting device, which is characterized in that described device includes：
Acquisition module is configured as obtaining ambient light intensity；
Determining module is configured as according to the ambient light intensity in preset at least two gamma corrections strategy, determines
Target gamma correction strategy；
Correction module is configured with the target gamma correction strategy and carries out gamma correction to display equipment.
7. device according to claim 6, which is characterized in that the determining module, including：
Detection sub-module and determination sub-module；
The detection sub-module if being configured as gamma correction strategy currently in use as the first gamma correction strategy, detects
Whether the ambient light intensity is more than the first Intensity threshold；
The determination sub-module, if being configured as the ambient light intensity more than first Intensity threshold, it is determined that the second gal
Horse Correction Strategies are the target gamma correction strategies；
Wherein, first display brightness of the same pixel value after the first gamma correction strategy correction is less than in second gal
The second display brightness after the correction of horse Correction Strategies.
8. device according to claim 7, which is characterized in that
The detection sub-module, if being configured as gamma correction strategy currently in use as the second gamma correction strategy,
Detect whether the ambient light intensity is less than the second Intensity threshold；
The determination sub-module, if being configured as the ambient light intensity less than second Intensity threshold, it is determined that described the
One gamma correction strategy is the target gamma correction strategy.
9. device according to claim 8, which is characterized in that first Intensity threshold is more than the second light intensity threshold
Value.
10. according to any device of claim 7 to 9, which is characterized in that
The first gamma correction strategy is set gamma correction strategy for the purpose of ensureing colour temperature consistency；
The second gamma correction strategy is set gamma correction strategy for the purpose of ensureing maximum brightness value.
11. a kind of gamma correcting device, which is characterized in that described device includes：
Processor；
For storing the memory of the processor-executable instruction；
Wherein, the processor is configured as：
Obtain ambient light intensity；
According to the ambient light intensity in preset at least two gamma corrections strategy, target gamma correction strategy is determined；
Gamma correction is carried out to display equipment using the target gamma correction strategy.
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