CN107221290B - mura compensation display method and device and computer readable storage medium - Google Patents
mura compensation display method and device and computer readable storage medium Download PDFInfo
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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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
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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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
- G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
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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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/041—Temperature compensation
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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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
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Abstract
The embodiment of the invention provides a mura compensation display method and device and a computer readable storage medium, and belongs to the technical field of OLED display driving devices. The method comprises the following steps: acquiring gray scale data of each pixel point in an image to be displayed; matching the gray scale data of each pixel point with pre-stored mura pixel compensation data to obtain the gray scale compensation data of each mura pixel point in an image to be displayed, wherein the mura pixel compensation data are preset gray scale compensation data of each preset mura pixel point in a mura area of a preset display picture of the terminal equipment; and updating the gray scale data of the mura pixel points according to the gray scale compensation data of each mura pixel point so as to display the image to be displayed. Because the mura pixel compensation data are the preset gray scale compensation data of each preset mura pixel point in the mura area of the preset display picture of the terminal equipment, the mura pixel compensation data are not required to temporarily use too much storage space, and the mura defect compensation correction is efficiently realized.
Description
Technical field
The present invention relates to OLED display drive apparatus technical fields, compensate display methods in particular to a kind of mura
And device, computer readable storage medium.
Background technique
Currently, China's OLED industry has just emerged, not yet mature in terms of the manufacturing process of display, AMOLED screen
Curtain can inevitably show some defects of vision.
In all defects of vision, it is also the one kind for being most difficult to detection that mura defect, which is the most complicated, due to its contrast
It is very low, none clearly edge, and also to be influenced by observer's visual psychology factor.Currently, utilizing traditional pair
Differentiate than two characteristic parameters of degree and area and is unable to get satisfied mura defects detection effect.In addition, can also pass through at present
Pure gray scale image shown on display is shot, and obtains shooting image.According to shooting image brightness data come
The luma data of each pixel in the shooting image is obtained, with the amendment by the luma data to each pixel come real
Now to the compensating approach of mura defect.But used algorithm calculates excessively complexity to which when detecting, and extremely at occupancy
The utilization rate for managing device, to influence the performance of processor.If but complete compensating approach process on software in advance, need pole
The space of big temporary flash or ram, can store the luma data of each pixel in shooting image, and then also to flash
Or the performance of ram impacts.
Therefore, how efficiently to realize that detection and compensation to mura defect on AMOLED screen are one disasters of current industry
Topic.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of mura compensation display methods and device, computer-readable depositing
Storage media, to be effectively improved drawbacks described above.
The embodiment of the present invention is accomplished in that
In a first aspect, the embodiment of the invention provides a kind of mura to compensate display methods, the method is set applied to terminal
It is standby.The described method includes: obtaining the luma data of each pixel in image to be displayed;By the gray number of each pixel
According to mura pixel compensation Data Matching that is equal and prestoring, the gray scale compensation of each mura pixel in the image to be displayed is obtained
Data, wherein the mura pixel compensation data are each pre- in the region mura of the default display picture of the terminal device
If the preset gray scale offset data of mura pixel;It is described that this is updated according to the gray scale compensation data of each mura pixel
The luma data of mura pixel, the image to be displayed is shown.
Second aspect, the embodiment of the invention provides a kind of mura to compensate display device, and the method is set applied to terminal
It is standby.Described device includes: acquisition module, for obtaining the luma data of each pixel in image to be displayed.Matching module is used
In mura pixel compensation Data Matching that the is luma data of each pixel is equal and prestoring, the image to be displayed is obtained
In each mura pixel gray scale compensation data, wherein the mura pixel compensation data are the default of the terminal device
Show the preset gray scale offset data that mura pixel is each preset in the region mura of picture.Update module, for according to every
The gray scale compensation data of a mura pixel update the luma data of the mura pixel, by the figure to be shown
As display.
The third aspect, the embodiment of the invention provides a kind of meters of non-volatile program code that can be performed with processor
Calculation machine readable storage medium storing program for executing, said program code make the processor execute the method.
The beneficial effect of the embodiment of the present invention is:
Terminal device is by being stored in advance mura pixel compensation data, and terminal device is by by picture each in image to be displayed
Mura pixel compensation Data Matching is stored in advance with this in the luma data of vegetarian refreshments, just can be realized to each in the image to be displayed
The luma data of mura pixel is updated, to show the revised image to be displayed of mura defect compensating.Further, since should
Mura pixel compensation data are that the pre- of mura pixel is each preset in the region mura of the default display picture of the terminal device
If gray scale compensation data, and then it is not necessarily to the too many memory space of mura pixel compensation data temporary, it efficiently realizes and mura is lacked
Sunken compensating approach.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the structural block diagram of terminal device in the embodiment of the present invention;
Fig. 2 shows a kind of first pass figures for mura compensation display methods that first embodiment of the invention provides;
Fig. 3 shows a kind of second flow chart of mura compensation display methods of first embodiment of the invention offer;
Fig. 4 shows step in a kind of mura compensation display methods second flow chart of first embodiment of the invention offer
The sub-process of S500;
Fig. 5 shows a kind of structural block diagram of mura compensation display device of second embodiment of the invention offer.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the block diagram of terminal device 10.The terminal device 10 includes: that barrage data are shown
Device, memory 101, storage control 102, processor 103, Peripheral Interface 104, input-output unit 105, display unit
106。
The memory 101, processor 103, Peripheral Interface 104, input-output unit 105, is shown storage control 102
Show that unit 106, each element are directly or indirectly electrically connected between each other, to realize the transmission or interaction of data.For example, these
Element can be realized by one or more communication bus or signal wire be electrically connected between each other.The mura compensates display device
Including at least one the terminal can be stored in the memory or is solidificated in the form of software or firmware (firmware)
Software function module in the Windows operating system of equipment 10.The processor 103 stores in memory 101 for executing
Executable module, such as the mura compensation display device software function module or computer program that include.
Wherein, memory 101 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only
Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM),
Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Wherein, memory 101 is for storing program, and the processor 103 executes described program after receiving and executing instruction, subsequent
Method performed by the terminal device 10 that the process that any embodiment of the embodiment of the present invention discloses defines can be applied to processor
In 103, or realized by processor 103.
Processor 103 can be a kind of IC chip, the processing capacity with signal.Above-mentioned processor can be
General processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit (Network
Processor, abbreviation NP) etc.;It can also be digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable
Gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components, can be with
Realize or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor 103 can be micro-
Processor or the processor are also possible to any conventional processor etc..
Various input-output units 105 are couple processor 103 and memory 101 by the Peripheral Interface 104.One
In a little embodiments, Peripheral Interface, processor and storage control can be realized in one single chip.In some other example
In, they can be realized by independent chip respectively.
Input-output unit 105 is used to be supplied to the interaction that user input data realizes user and data collection station.Institute
Stating input-output unit may be, but not limited to, mouse and keyboard etc..
Display unit 106 provides an interactive interface, such as user interface between the mobile terminal and user,
Or it is referred to for display image data to user.In the present embodiment, the display unit can be liquid crystal display or touch-control
Display.It can be the capacitance type touch control screen or electric resistance touch-control of support single-point and multi-point touch operation if touch control display
Screen etc..It is one or more on the touch control display to support that single-point and multi-point touch operation refer to that touch control display can be sensed
The touch control operation generated simultaneously at position, and the touch control operation that this is sensed transfers to processor to be calculated and handled.
First embodiment
The mura provided by first embodiment of the invention is compensated in display methods, needs to show to terminal device realizing
Image to be displayed carry out mura compensation display before, need to be stored in advance mura pixel compensation data in terminal device.In
When the execution each time of subsequent mura compensation display methods, completed using the pre-stored mura pixel compensation data pair
The execution of mura compensation display methods.It is understood that being compensated after mura pixel compensation data are stored in advance in subsequent mura
When the execution each time of display methods, no longer need to that mura pixel compensation data are stored in advance.
Referring to Fig. 2, a kind of method stream of mura compensation display methods provided Fig. 2 shows first embodiment of the invention
Journey.Mura compensation display methods shown in Fig. 2 is the method flow that mura pixel compensation data are stored in advance in terminal device,
Specifically, mura compensation display methods includes: step S100, step S200 and step S300.
Step S100: obtaining in each target gray scale value, the brightness of each pixel in the default display picture
Data.
When terminal device is analyzed and processed shown default display picture, the default display picture must be obtained first
Face.In the present embodiment, can by high definition camera to the RGB component of default display picture shown by terminal device not
With target gray scale value when take pictures, and the photo taken is sent to terminal device, existed so that terminal device obtains
Default display picture when each target gray scale value.Wherein, which can be pattern pattern, but not limit,
It self-setting can preset display picture according to actual needs.In addition, each target gray scale value can be used as multiple specific grayscale
Value, such as: 16,32,48,64,94 and 128 etc..
After terminal device gets the default display picture in each target gray scale value, terminal device is in each target gray scale
Default display picture when value is parsed.It is same default display picture as acquired in terminal device in different grayscale
Under state, and then terminal device obtains brightness number of each pixel in each target gray scale value in the default display picture
According to for example, pixel (1.1) exists: the brightness data of 16 grayscale, the brightness data of 32 grayscale and brightness data of 48 grayscale etc..
It is understood that brightness data of each pixel in each target gray scale value can be the bright of the red component of the pixel
The brightness data of degree evidence, the brightness data of blue component or green component.
In addition, for convenient for subsequent processing, terminal device in obtaining the default display picture each pixel each
After brightness data when target gray scale value, brightness number of the terminal device to each pixel of acquisition in each target gray scale value
It is handled according to smooth, denoising scheduling algorithm is carried out, the interference signal in data to filter out acquisition.
Step S200: according to brightness data of each pixel in each target gray scale value, described in extraction
The region mura in default display picture in each target gray scale value.
Since the region mura is for the normal region of surrounding, the brightness in the region mura has certain mutation, but not
The mode that Threshold segmentation can be directlyed adopt is handled, this is because display screen of terminal device reason itself or high definition camera pair
Terminal device carries out the angle reason of seat in the plane when default display picture acquisition, leads to the brightness model in the region mura and normal region
Enclosing may have overlapping, therefore directly adopt edge detection or Threshold segmentation often to miss segmentation rate higher, therefore need before segmentation
Background estimating is carried out to complicated varying background and background inhibits.
In the present embodiment, default display picture when terminal device is to each target gray scale value carries out background estimating, i.e.,
Brightness data of the terminal device according to each pixel in each target gray scale value obtains the pixel in each target gray scale value
When brightness data corresponding to object brightness data.The algorithm that terminal device obtains object brightness data can be according to the actual situation
It is selected, for example, if surface polynomial fitting algorithm can be selected in the luminance background that default display picture is smooth variation.
Terminal device will be offseted in the background estimating of each target gray scale value and default display picture, can be obtained each
Background when target gray scale value inhibits, i.e., terminal device by brightness data of each pixel in each target gray scale value with it is right
The object brightness data answered offset, to obtain brightness data of each pixel in each target gray scale value and corresponding target
Difference data between brightness data.It is understood that when the difference data of pixel is within preset range, then the pixel
In normal region, when the difference data of pixel is other than preset range, then the pixel is in the region mura.For example, if
Preset range is -2 to 2, and when target gray scale value is 32, the brightness data and object brightness data of pixel (1.1) are 30, then
Difference data is 0, and then pixel (1.1) is located at normal region.In another example target gray scale value is if preset range is -2 to 2
When 32, pixel (3.3) brightness data and object brightness data are respectively 30 and 33, then difference data is -3, and then pixel
(3.3) it is located at the region mura.Judgement by background inhibition and terminal device to difference data, terminal device tentatively extract
The mura region of the default display picture in each target gray scale value.The region mura at this time can pass through the side of bianry image
Formula shows, i.e., the region mura is 1, normal region 0, or vice versa.
In addition, there are some isolated points in the region mura extracted, in turn due to the influence that there may also be noise etc. at this time
Mathematical Morphology Algorithm can be used to be post-processed, to reduce isolated point, so that the default display picture is in each target gray scale
The region mura when value is more accurate.
It should be noted that object brightness data of each pixel in each target gray scale value can be pixel every
When a target gray scale value, object brightness data, the object brightness data of blue component or the target of green component of red component
Brightness data.
Step S300: it according to the brightness data of each default mura pixel, generates and stores the mura pixel
Offset data, wherein the default mura pixel is located at the area mura corresponding at least one described target gray scale value
In domain.
Target gray scale value in the present embodiment be it is multiple, each target gray scale value corresponds to the region mura.Default mura picture
Element is to be located in the region mura corresponding at least one target gray scale value.For example, the region mura that target gray scale value is 16
There are pixel A, but pixel A in addition to target gray scale value be 16 other target gray scale value positions the region mura in not
Occur, but pixel A is still default mura pixel.
It is pre- to obtain this according to the brightness data in each target gray scale value of each default mura pixel for terminal device
If the preset gray scale data in each target gray scale value of mura pixel.Specifically, in terminal device to each default
Mura pixel establishes the coordinate system of the default mura pixel, each target gray scale value of the coordinate representation of x-axis, the seat of y-axis
Mark illustrates the default mura pixel brightness data corresponding in each grayscale, to obtain the coordinate point of the pixel
Cloth., (32.36), (48.45) and (64.64) etc. for example, the coordinate distribution of the pixel can be with are as follows: (16.17).Terminal device
It is connected to the coordinate distribution of the default mura pixel of this in coordinate system, then obtains each color component of the default mura pixel
Brightness curve.Wherein, when the poor linearity of brightness curve, being fitted of brightness curve can also be handled.At this point, terminal
Equipment is by the brightness curve of each default mura pixel, searching the default mura pixel in each target gray scale value
Object brightness data in the corresponding numerical value in x-axis of brightness curve, each numerical value is the default mura pixel right
Preset gray scale data when the target gray scale value answered, and then each default mura pixel is obtained in each target gray scale
Corresponding preset gray scale data when value.It should be noted that each preset gray scale data can be the pixel red component
The preset gray scale data of preset gray scale data, the preset gray scale data of the pixel blue component or the pixel green component.
Each target gray scale value can be target gray scale value, the target gray scale value of blue component or the target of green component of red component
Grayscale value.
At this point, the preset gray scale data according to each default mura pixel in each target gray scale value, then generating should
The preset gray scale offset data of default mura pixel.Specifically, terminal device obtain the numerical value of each preset gray scale data with
Difference between matched target gray scale value, each difference are the offset of the default mura pixel.For example, default
Preset gray scale data of the mura pixel A when target gray scale value is 16 are 17, and the difference then obtained is 1, and then this is default
It is preset gray scale value 16, offset 1 that mura pixel A, which compensates subdata in the preset gray scale that target gray scale value is 16,.It is logical
The above method is crossed, terminal device obtains preset gray scale compensation of each default mura pixel in each target gray scale value
Data, at least one interval value that each preset gray scale compensation subdata of each default mura pixel is constituted, and also constitute
The preset gray scale offset data of the default mura pixel.Also for example, the preset gray scale offset data of default mura pixel A
It can be with are as follows: preset gray scale value 16, offset 1;Preset gray scale value 32, offset 0;Preset gray scale value 48, offset 3;
Preset gray scale value 64, offset are -1.Wherein, in the preset gray scale offset data for presetting mura pixel A, at least one section
Value is (16-32), (32-48) and (48-64).
Terminal device is by the preset gray scale offset data Unified coding to each default mura pixel to nbit, in turn
Mura pixel compensation data are generated, i.e. mura pixel compensation data compensate number by the preset gray scale of multiple default mura pixels
It is constituted according to Unified coding.At this point, again will be in the storage element of mura pixel compensation data compression deposit terminal device.
It should be noted that each preset gray scale of the default mura pixel in each target gray scale value compensates subdata
The pre- of subdata, the preset gray scale of blue component compensation subdata and green component can be compensated for the preset gray scale of red component
If gray scale compensation subdata.
In the present embodiment, due to obtaining the pre- of each default mura pixel by the object brightness data of background estimating
If gray scale compensation data, it is contemplated that the influence of background fluctuations can further reduce the gray scale compensation range in the region mura,
The data package size of mura pixel compensation data also reduces accordingly.Further, since each being preset in mura pixel compensation data
The preset gray scale compensation of mura pixel is difference data, thus the data packet that can effectively reduce mura pixel compensation data is big
It is small, further decrease being taken up space in storage unit.
Referring to Fig. 3, Fig. 3 shows a kind of method stream of mura compensation display methods of first embodiment of the invention offer
Journey.Mura compensation display methods shown in Fig. 3 is that kind of a side for mura compensation display is carried out to the image to be displayed in terminal device
Method process.Specifically, mura compensation display methods includes: step S400, step S500 and step S600.
Step S400: the luma data of each pixel in image to be displayed is obtained.
Terminal device before showing image to be displayed on a display screen, and terminal device is firstly the need of acquisition figure to be shown
The luma data of each pixel of picture.Specifically, terminal device by parsing to image to be displayed, is somebody's turn to do with obtaining to aobvious
The luma data of each pixel in diagram picture.
Step S500: it and the mura pixel compensation Data Matching that prestores by the luma data of each pixel, obtains
Take the gray scale compensation data of each mura pixel in the image to be displayed, wherein the mura pixel compensation data are institute
State the preset gray scale offset data that mura pixel is each preset in the region mura of the default display picture of terminal device.
After terminal device gets the luma data of each pixel, terminal device is just by the luma data of each pixel
Mura pixel compensation Data Matching that is equal and prestoring.It is understood that the mura pixel compensation data prestored be before basis
The default data for showing that picture is acquired and stores.When terminal device just and prestores the luma data of each pixel
When mura pixel compensation Data Matching, if the pixel does not exist in the mura pixel compensation data prestored and the pixel
The default mura pixel matched, then terminal device determines that the pixel is the pixel normally shown.If the pixel is prestoring
Mura pixel compensation data in exist and the matched default mura pixel of the pixel, then terminal device determines the pixel
For mura pixel.And then terminal device according to the preset gray scale offset data of matched default mura pixel, then correspondence obtains
Get the gray scale compensation data of the mura pixel.Therefore, by matching to each pixel, terminal device is then obtained
The gray scale compensation data of each mura pixel into image to be displayed.
Step S600: the ash of the mura pixel is updated according to the gray scale compensation data of each mura pixel
Order evidence, the image to be displayed is shown.
For terminal device in display when image display, needing will be after each normal pixel and each progress mura compensation
Mura pixel shown.Firstly, terminal device, when showing each normal pixel, terminal device will each just
Normal pixel, i.e., using each and the unmatched pixel of mura pixel compensation data luma data as the base of the pixel
Quasi- data.Wherein, the reference data of each pixel is luma data when showing the pixel.In addition, terminal device will also
The gray scale compensation data of each mura pixel are superimposed with the luma data of the mura pixel, to update the mura pixel
Luma data, and then realize the gray scale compensation to each mura pixel.Terminal device is in the grayscale to each mura pixel
After compensation, using each updated luma data of mura pixel as the reference data of the mura pixel.
It should be noted that the luma data of each pixel can for the pixel red component luma data,
The luma data of blue component or the luma data of green component.It, as will be with this to the gray scale compensation of each mura pixel
The red component preset gray scale compensation subdata of the matched default mura pixel of mura pixel is added to the mura pixel
The red component luma data on, the blue component gray scale compensation subdata and green component grayscale of the mura pixel are mended
It repays subdata also similarly, is just not repeated.
When terminal device encourages reference data of each updated luma data of mura pixel as the mura pixel
Afterwards, terminal device is according to the reference data of each mura pixel and the reference data of each pixel, and then just can will be to
Display image is accurately shown.
Referring to Fig. 4, Fig. 4 shows step in a kind of mura compensation display methods of first embodiment of the invention offer
The method sub-process of S500.Specifically, the method sub-process of step S500 includes: step S510 and step S520.
Step S510: judge every in the luma data and the mura pixel compensation data prestored of each pixel
Whether the preset gray scale offset data of a default mura pixel matches.
When obtaining the luma data of each pixel, terminal device also obtains each pixel and is showing terminal device
Coordinate on screen.Terminal device takes the coordinate of each pixel to search in the mura pixel compensation data prestored, by looking into
The coordinate of mura pixel is each preset in the coordinate for calling in each pixel of judgement and the mura pixel compensation data prestored
Whether match.
Step S520: if matching, using the pixel as the mura pixel, and according to matched described default
The gray scale compensation data of the gray scale compensation data acquisition mura pixel, if mismatching, by the grayscale of the pixel
Data are as reference data, wherein the reference data of each pixel is the image to be displayed in display, the institute
State the luma data of pixel.
When terminal device determines that some pixel mismatches, for example, the coordinate as pixel A is (1.1), and prestoring
Mura pixel compensation data search less than the coordinate for having any default mura pixel B be (1.1), and then terminal device determine
Pixel A is mismatched.When terminal device determines to mismatch, terminal device determines that the unmatched pixel is normal display
Pixel, and then will be using the luma data of the pixel as reference data.
When terminal device determines the matching of some pixel, for example, when the coordinate of pixel A is (1.1), and prestoring
The coordinate that mura pixel compensation data find default mura pixel B is (1.1), therefore terminal device determines pixel A
Match.And then when terminal device determines to match, terminal device is then using the matched pixel as mura pixel.
In the present embodiment, to preset mura pixel each by this for the preset gray scale offset data of each default mura pixel
Preset gray scale compensation subdata is constituted, and then each preset gray scale of each default mura pixel compensates what subdata was constituted
Preset gray scale offset data is at least one interval value.Terminal device using each matched pixel as mura pixel after,
Terminal device needs to obtain the gray scale compensation data of each mura pixel, and then terminal device is by the ash of each mura pixel
Order is each to obtain according to each preset gray scale compensation subdata for being put into the matched default mura pixel of the mura pixel
The luma data of mura pixel is located in which section of the matched default mura pixel of the mura pixel.For example,
The luma data of the red component of mura pixel A (1.1) be 24, and with the matched default mura pixel of mura pixel A
In point B (1.1), at least one interval value included by the preset gray scale offset data of the default mura pixel B red component
For (0-16), (16-32), (32-48) and (48-64), and then terminal device can then obtain mura pixel A red component
Luma data is 24 in (16-32) interval value of default mura pixel B.
Further, it is obtained when terminal device according to the interval value of each matched default mura pixel corresponding each
The gray scale compensation data of mura pixel.Specifically, the interval value tool of default mura pixel is there are two endpoint, at each endpoint
An offset is corresponded to, terminal device just can according to the difference at the interval value endpoint of each matched default mura pixel
Enough obtain the gray scale compensation data of corresponding each mura pixel.For example, the luma data of the red component of mura pixel A
The interval value (16-32) for falling into matched default mura pixel B (1.1) for 24.Default mura pixel B is held for one wherein
Point is the preset gray scale value 16 of red component, presets the preset gray scale value 32 that another endpoint of mura pixel B is red component.
In addition, offset corresponding to another endpoint is 4, and then terminal device if offset corresponding to one of endpoint is 2
It is the grayscale of red component corresponding to 24 according to the luma data that pre-set programs calculating can get the mura pixel A red component
Offset data is 3.If offset corresponding to one of endpoint is 2, offset corresponding to another endpoint is 2, in turn
It is red corresponding to 24 point that terminal device, which calculates according to pre-set programs and can get the luma data of the mura pixel A red component,
The gray scale compensation data of amount are also 2.
Second embodiment
Referring to Fig. 5, compensating the functional module of display device 100 for a kind of mura that second embodiment of the invention provides
Figure, mura compensation display device 100 include:
Module 110 is obtained, for obtaining the luma data of each pixel in image to be displayed.
Matching module 120, for mura pixel compensation data that the are luma data of each pixel is equal and prestoring
Matching, obtains the gray scale compensation data of each mura pixel in the image to be displayed, wherein the mura pixel compensation number
Number is compensated according to the preset gray scale for each presetting mura pixel in the region mura for the default display picture of the terminal device
According to.
Update module 130, for updating the mura picture according to the gray scale compensation data of each mura pixel
The luma data of vegetarian refreshments, the image to be displayed is shown.
It should be noted that due to it is apparent to those skilled in the art that, for the convenience and letter of description
Clean, system, the specific work process of device and unit of foregoing description can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
Executable the computer-readable of non-volatile program code of processor is carried out provided by the embodiment of the present invention to deposit
The computer program product of storage media, the computer readable storage medium including storing program code, said program code packet
The instruction included can be used for executing previous methods method as described in the examples, and specific implementation can be found in embodiment of the method, herein not
It repeats again.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In conclusion the embodiment of the invention provides a kind of mura compensation display methods and devices, computer-readable storage
Medium.Wherein, method is applied to terminal device, and method includes: to obtain the luma data of each pixel in image to be displayed;It will
The luma data of each pixel and the mura pixel compensation Data Matching that prestores, obtains each mura picture in image to be displayed
The gray scale compensation data of vegetarian refreshments, wherein mura pixel compensation data are in the region mura of the default display picture of terminal device
The preset gray scale offset data of each default mura pixel;Being updated according to the gray scale compensation data of each mura pixel should
The luma data of mura pixel, image to be displayed is shown.
Terminal device is by being stored in advance mura pixel compensation data, and terminal device is by by picture each in image to be displayed
Mura pixel compensation Data Matching is stored in advance with this in the luma data of vegetarian refreshments, just can be realized to each in the image to be displayed
The luma data of mura pixel is updated, to show the revised image to be displayed of mura defect compensating.Further, since should
Mura pixel compensation data are that the pre- of mura pixel is each preset in the region mura of the default display picture of the terminal device
If gray scale compensation data, and then it is not necessarily to the too many memory space of mura pixel compensation data temporary, it efficiently realizes and mura is lacked
Sunken compensating approach.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of mura compensates display methods, which is characterized in that the method is applied to terminal device, which comprises
Obtain the luma data of each pixel in image to be displayed;
Mura pixel compensation Data Matching that the is luma data of each pixel is equal and prestoring, obtains the figure to be shown
The gray scale compensation data of each mura pixel as in, wherein the mura pixel compensation data are the pre- of the terminal device
If showing the preset gray scale offset data for each presetting mura pixel in the region mura of picture;
The luma data that the mura pixel is updated according to the gray scale compensation data of each mura pixel, by institute
Image to be displayed is stated to show;
Wherein, described to obtain in image to be displayed before the luma data of each pixel, the method also includes:
It obtains in each target gray scale value, the brightness data of each pixel in the default display picture, and utilizes song
Face polynomial fitting estimates brightness data corresponding mesh of each pixel in each target gray scale value
Mark brightness data;
According to brightness data of each pixel in each target gray scale value and corresponding object brightness data
Difference data extracts the region mura in the default display picture in each target gray scale value;
According to the brightness data of each default mura pixel, generates and stores the mura pixel compensation data, wherein
The default mura pixel is located in the region mura corresponding at least one described target gray scale value;
And the brightness data based on each pixel in each target gray scale value is different, the mura pixel
The preset gray scale offset data of each default mura pixel is at least one interval value in offset data, described in acquisition
The gray scale compensation data of each mura pixel in image to be displayed, comprising:
The luma data for obtaining each mura pixel is compensated in the preset gray scale of the matched default mura pixel
Corresponding interval value in data, to obtain the mura pixel according to the interval value of the matched default mura pixel
The gray scale compensation data of point.
2. mura according to claim 1 compensates display methods, which is characterized in that the ash by each pixel
Order obtains the grayscale of each mura pixel in the image to be displayed according to mura pixel compensation Data Matching that is equal and prestoring
Offset data, comprising:
It is each described default in the luma data for judging each pixel and the mura pixel compensation data prestored
Whether the preset gray scale offset data of mura pixel matches;
If matching, using the pixel as the mura pixel, and according to the matched preset gray scale offset data
The gray scale compensation data of the mura pixel are obtained, if mismatching, using the luma data of the pixel as benchmark
Data, wherein the reference data of each pixel is the image to be displayed in display, the ash of the pixel
Order evidence.
3. mura according to claim 2 compensates display methods, which is characterized in that the seat that each pixel all has
It is each described default in mark, the luma data of each pixel of judgement and the mura pixel compensation data prestored
Whether the preset gray scale offset data of mura pixel matches, comprising:
Each default mura in each of the judgement coordinate of the pixel and the mura pixel compensation data prestored
Whether the coordinate of pixel matches.
4. mura according to claim 2 compensates display methods, which is characterized in that described according to each mura pixel
The gray scale compensation data of point update the luma data of the mura pixel, and the image to be displayed is shown, comprising:
The gray scale compensation data of each mura pixel are superimposed with the luma data of mura pixel described in this, to update
The luma data of the mura pixel, and using each updated luma data of mura pixel as base value
According to;
According to the reference data of the reference data of each mura pixel and each pixel, by the figure to be shown
As display.
5. mura according to claim 1 compensates display methods, which is characterized in that described according to each default mura
The brightness data of pixel generates and stores the mura pixel compensation data, comprising:
According to the brightness data in each target gray scale value of each default mura pixel, it is described pre- to obtain this
If the preset gray scale data in each target gray scale value of mura pixel;
According to preset gray scale data of each default mura pixel in each target gray scale value, it is described to generate this
The preset gray scale offset data of default mura pixel, to compensate number according to the preset gray scale of each default mura pixel
According to generating and store the mura pixel compensation data.
6. a kind of mura compensates display device, which is characterized in that described device is applied to terminal device, and described device includes:
Module is obtained, for obtaining the luma data of each pixel in image to be displayed;
Matching module is obtained for mura pixel compensation Data Matching that the is luma data of each pixel is equal and prestoring
Take the gray scale compensation data of each mura pixel in the image to be displayed, wherein the mura pixel compensation data are institute
State the preset gray scale offset data that mura pixel is each preset in the region mura of the default display picture of terminal device;
Update module, for updating the ash of the mura pixel according to the gray scale compensation data of each mura pixel
Order evidence, the image to be displayed is shown;
The mura compensates display device, is also used to obtain each institute in the default display picture in each target gray scale value
The brightness data of pixel is stated, and estimates each pixel in each target using surface polynomial fitting algorithm
The corresponding object brightness data of brightness data when grayscale value;According to each pixel in each target gray scale value
Brightness data and the difference data of corresponding object brightness data, extract in the default display picture in each target
The region mura when grayscale value;According to the brightness data of each default mura pixel, generates and store described
Mura pixel compensation data, wherein the default mura pixel is located at institute corresponding at least one described target gray scale value
It states in the region mura;
And the brightness data based on each pixel in each target gray scale value is different, the mura pixel
The preset gray scale offset data of each default mura pixel is at least one interval value in offset data,
The matching module is also used to obtain the luma data of each mura pixel in the matched default mura picture
Corresponding interval value in the preset gray scale offset data of vegetarian refreshments, according to the interval value of the matched default mura pixel
Obtain the gray scale compensation data of the mura pixel.
7. a kind of computer readable storage medium for the non-volatile program code that can be performed with processor, which is characterized in that
Said program code makes the processor execute described any claim the method for claim 1-6.
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