CN107591134A - The compensation method of MURA phenomenons, TV and computer-readable recording medium - Google Patents
The compensation method of MURA phenomenons, TV and computer-readable recording medium Download PDFInfo
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Abstract
The invention discloses a kind of compensation method of MURA phenomenons, TV and computer-readable recording medium, the MURA phenomenons compensation method includes：Preset detection picture is shown on tv display screen, obtains shooting picture corresponding to current display screen；The effective coverage of the shooting picture is determined, the effective coverage is divided into some subregions, obtains the display information of each sub-regions；According to the display information of each sub-regions, offset corresponding to each sub-regions is obtained, the compensation deals strategy of each sub-regions is formulated according to the offset.When MURA phenomenons be present the invention enables TV, MURA phenomenons can be compensated, ensure that each region of display screen has identical display effect while same brightness signal inputs, lift the uniformity of each region display effect, enhancing user visual experience impression.
Description
Technical field
The present invention relates to technical field of image processing, more particularly to the compensation method of MURA phenomenons, TV and computer-readable
Storage medium.
Background technology
MURA refer to display device brightness, colour temperature it is uneven etc. caused by bad phenomenon, refer mainly to same light source and identical bottom
Under the picture of color, because of visual sense feeling to different degrees of aberration and luminance difference.MURA generations are mainly uneven by diaphragm thickness,
Thin film transistor (TFT) TFT processing procedures, LCD processing procedures etc. influence.Also influenceed simultaneously by artificial external force, slight MURA shows as local bright
Degree is uneven or colour temperature is uneven, and serious MURA then has serious light leakage phenomena.
With the development of science and technology and the demand of people's living standard, consumer to the demand of TV quality also increasingly
Height, in order to be bonded consumer demand, TV develops towards direction ultra-thin, in large size, but in tv display screen generating process,
Because the reasons such as production technology can produce MURA defects unavoidably, such a defect can undoubtedly reduce the class of TV, consumer is existed
Bad visual experience is produced when watching TV.
The content of the invention
It is a primary object of the present invention to provide a kind of compensation method of MURA phenomenons, TV and computer-readable storage medium
Matter, it is intended to solve in the prior art because TV has MURA phenomenons, influence the technical problem of consumer's visual experience.
To achieve the above object, the present invention provides a kind of MURA phenomenons compensation method, applied to TV, the MURA phenomenons
Compensation method includes：
Preset detection picture is shown on tv display screen, obtains shooting picture corresponding to current display screen；
The effective coverage of the shooting picture is determined, the effective coverage is divided into some subregions, obtains each sub-district
The display information in domain；
According to the display information of each sub-regions, offset corresponding to each sub-regions is obtained, according to the offset system
The compensation deals strategy of fixed each sub-regions.
Preferably, it is described that preset detection picture is shown on tv display screen, obtain shooting figure corresponding to current display screen
Piece includes：
Preset detection picture is shown on tv display screen, obtains and is shot corresponding to the current display screen of filming apparatus shooting
Picture.
Preferably, it is described to show that preset detection picture includes on tv display screen：
When tv display screen backlight is in maximum rating, preset detection picture is shown on tv display screen.
Preferably, the detection picture is preset with framing mark, the effective coverage for determining the shooting picture
Including：
The position of framing mark is determined, the position that mark is positioned according to described image determines having for the shooting picture
Imitate region.
Preferably, it is described the effective coverage is divided into some subregions to include：
According to minimum image processing unit corresponding to prediction picture process chip, the effective coverage is divided into some sub-districts
Domain.
Preferably, the display information according to each sub-regions, obtains offset corresponding to each sub-regions, according to institute
Stating the compensation deals strategy of each sub-regions of offset formulation includes：
According to the display information of each sub-regions, the representative value of current display on-screen-display message is obtained；
According to the display information and representative value, the offset of each sub-regions is obtained；
According to the offset, the compensation deals strategy of each sub-regions is formulated, so that each sub-district after compensation deals
The display information in domain tends to the representative value.
Preferably, it is described that preset detection picture is shown on tv display screen, obtain shooting figure corresponding to current display screen
Include before piece：
If the first operating instruction on luminance compensation is detected, using preset GTG picture as preset detection picture；
If the second operating instruction on color temperature compensating is detected, using preset pure color picture as preset detection picture.
Preferably, the display information includes monochrome information and/or color temperature information.
In addition, to achieve the above object, the present invention also provides a kind of TV, and the TV includes：Memory, processor and
The MURA phenomenon compensation programs that is stored on the memory and can run on the processor, the MURA phenomenons compensate journey
The step of MURA phenomenons compensation method as described above is realized when sequence is by the computing device.
In addition, to achieve the above object, the present invention also provides a kind of computer-readable recording medium, described computer-readable
MURA phenomenon compensation programs are stored with storage medium, as above institute is realized when the MURA phenomenons compensation program is executed by processor
The step of MURA phenomenon compensation methodes stated.
In the present invention, by showing detection picture on tv display screen, then obtain and shot corresponding to current display screen
Picture, the effective coverage shot in picture is divided into some subregions, analysis obtains the display information of every sub-regions, according to every
The display information of sub-regions, the offset of every sub-regions is obtained, processing is compensated to every sub-regions according to offset.
Pass through the present invention so that when TV has MURA phenomenons, MURA phenomenons can be compensated, ensure each region of display screen in phase
There is identical display effect while input with luminance signal, lift the uniformity of each region display effect, enhancing user regards
Feel experience sense by.
Brief description of the drawings
Fig. 1 is the TV structure schematic diagram for the hardware running environment that scheme of the embodiment of the present invention is related to；
Fig. 2 is the schematic flow sheet of MURA phenomenons compensation method first embodiment of the present invention；
Fig. 3 is the schematic diagram of the detection embodiment of picture one；
Fig. 4 is TV and the schematic diagram of a scenario of the embodiment of filming apparatus one；
Fig. 5 is the schematic diagram of the present invention shooting embodiment of picture one；
Fig. 6 is the Matrix List schematic diagram that record has monochrome information.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in figure 1, Fig. 1 is the TV structure schematic diagram for the hardware running environment that scheme of the embodiment of the present invention is related to.
As shown in figure 1, the TV can include：Processor 1001, such as CPU, network interface 1004, display screen 1003,
Memory 1005, communication bus 1002.Wherein, communication bus 1002 is used to realize the connection communication between these components.Network
Interface 1004 can optionally include wireline interface, the wave point (such as WI-FI interfaces) of standard.Memory 1005 can be high
Fast RAM memory or stable memory (non-volatile memory), such as magnetic disk storage.Memory
The 1005 optional storage devices that can also be independently of aforementioned processor 1001.
It will be understood by those skilled in the art that the TV structure shown in Fig. 1 does not form the restriction to TV, can wrap
Include than illustrating more or less parts, either combine some parts or different parts arrangement.
As shown in figure 1, it can lead to as in a kind of memory 1005 of computer-readable storage medium including operating system, network
Believe module, Subscriber Interface Module SIM and MURA phenomenon compensation programs.
In the TV shown in Fig. 1, processor 1001 can be used for calling the MURA phenomenons stored in memory 1005 to mend
Program is repaid, and performs following operate：
Preset detection picture is shown on tv display screen, obtains shooting picture corresponding to current display screen；
The effective coverage of the shooting picture is determined, the effective coverage is divided into some subregions, obtains each sub-district
The display information in domain；
According to the display information of each sub-regions, offset corresponding to each sub-regions is obtained, according to the offset pair
Each sub-regions compensate processing.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
Preset detection picture is shown on tv display screen, obtains and is shot corresponding to the current display screen of filming apparatus shooting
Picture.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
When tv display screen backlight is in maximum rating, preset detection picture is shown on tv display screen.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
The position of framing mark is determined, the position that mark is positioned according to described image determines having for the shooting picture
Imitate region.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
According to minimum image processing unit corresponding to prediction picture process chip, the effective coverage is divided into some sub-districts
Domain.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
According to the display information of each sub-regions, the representative value of current display on-screen-display message is obtained；
According to the display information and representative value, the offset of each sub-regions is obtained；
According to the offset, each sub-regions are compensated, so that the display information of each sub-regions after compensation
Tend to the representative value.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
If the first operating instruction on luminance compensation is detected, using preset GTG picture as preset detection picture；
If the second operating instruction on color temperature compensating is detected, using preset pure color picture as preset detection picture.
Further, processor 1001 can call the MURA phenomenon compensation programs stored in memory 1005, also perform
Operate below：
The display information includes monochrome information and/or color temperature information.
Reference picture 2, Fig. 2 are the schematic flow sheet of MURA phenomenons compensation method first embodiment of the present invention.
In one embodiment, the compensation method of MURA phenomenons includes：
Step S10, preset detection picture is shown on tv display screen, obtain shooting picture corresponding to current display screen；
Step S20, the effective coverage of the shooting picture is determined, the effective coverage is divided into some subregions, obtained
The display information of each sub-regions；
Step S30, according to the display information of each sub-regions, offset corresponding to each sub-regions is obtained, according to described
Offset formulates the compensation deals strategy of each sub-regions.
In the present embodiment, can be user during TV is watched, MURA be present and show in vision direct feel to TV
As (MURA refers to that display brightness, colour temperature etc. are uneven, causes the phenomenon of various vestiges).Manually operation is opened preset
MURA phenomenon compensating switches, so as to trigger operating instruction, after TV detects the operating instruction, start to perform the compensation of MURA phenomenons
The step of method, that is, perform step S10-S30.
Detection picture is built-in with the present embodiment, in video memory, for example, the GTG for the different gray scales that prestore on television
Picture, pure red picture, ethereal blue picture etc..Detect the size and tv display screen resolution match of picture.Detect picture
Corner is preset with framing mark respectively.For example, red pixel point is preset in the corner of GTG picture, in pure red picture corner
Default black pixel point, red pixel point is preset in ethereal blue picture corner.As shown in figure 3, Fig. 3 is the detection embodiment of picture one
Schematic diagram.
In an alternate embodiment of the present invention, there are brightness irregularities in user by vision direct feel to television indicator
Phenomenon, then manually preset MURA phenomenons compensating switch is opened in operation, and so as to trigger operating instruction one, TV detects the fortune
After row instruction one, backlight regulation is carried out first, is closed related screen and is become, the operation such as local dimming, so that at tv display screen backlight
In maximum rating, GTG picture is then shown on a display screen, such as the GTG picture that display gray shade value is OxFF.In the GTG
After the completion of picture is shown, it can be that user is shot by filming apparatus such as mobile phone to display screen, obtain current display screen
Corresponding shooting picture, then by way of wire communication or wireless telecommunications, shooting picture is sent to TV.It can also be
TV sends shooting order to the filming apparatus of communication connection, and filming apparatus is clapped display screen after the order is received
Take the photograph, obtain shooting picture corresponding to current display screen, then feed back to TV.As shown in figure 4, Fig. 4 is TV and filming apparatus
The schematic diagram of a scenario of one embodiment.Television reception is to after the shooting picture, because shooting picture also includes the figure outside display screen
Picture, then mark is positioned according to the pre-set image that picture is detected in shooting picture, determine effective coverage.As shown in figure 5, Fig. 5 is this
The schematic diagram of the invention shooting embodiment of picture one.After being determined in effective coverage, picture corresponding to the effective coverage is cut,
Picture corresponding to effective coverage is cut into some subregions.In the present embodiment, according to the treatable minimum of picture processing chip
Graphics processing unit is cut to picture corresponding to effective coverage, for example, display resolution is 3840*2160, at picture
The image that the treatable minimum picture processing unit of chip is 64 pixels is managed, then after being cut to effective coverage, is obtained
480*270 sub-regions.Then analysis obtains the monochrome information of every sub-regions, and by the monochrome information of every sub-regions according to
Position is recorded in Matrix List.As shown in fig. 6, Fig. 6 is the Matrix List schematic diagram that record has monochrome information.Then with every 9
Sub-regions form the rule of a comparison domain, once determine the first comparison domain, the second comparison domain, the 3rd compares area
The comparison domain of domain ... ... the 1440th.Then since the first comparison domain, with the brightness of the center subregion of each comparison domain
Information is subtrahend, and the monochrome information of remaining 8 sub-regions is minuend, and the absolute value of 8 differences is calculated, if obtain
The absolute value of 8 differences is more than preset value, such as Ox08, then is recorded the region, and continue next comparison domain
Processing, if without the value is more than, does not keep a record, continue the processing of next comparison domain.According to above flow, until complete
Into the processing of all comparison domains.Flow collects after terminating to all comparison domain records more than Ox08.Then ignore all
Comparison domain more than Ox08, the high-high brightness information in the subregion included in remaining comparison domain is calculated, as current
The representative value of brightness of display screen, it is denoted as L1, such as L1=OxF0.Then calculate per sub-regions with the absolute value of L1 differences, if
Absolute value is more than preset value, such as Ox06, then the subregion is labeled as needing to the subregion of MURA optimization processings, is otherwise labeled as
Normal subregion, i.e., it need not carry out the subregion of MURA optimization processings.Subregion brightness for needing MURA optimization processings
Information is denoted as Lmura, such as a subregion brightness Lmura=OxE7 for needing MURA optimization processings, then the skew of the subregion
R=(L1-Lmura)/L1 is measured, and now the actual grey value of input picture is OxFF, then the MURA that the subregion is formulated is mended
Repaying processing strategy is：The actual grey value of L=Lmura+R* input pictures, i.e. L=OxE7+ ((L1-Lmura)/L1) * OxFF
=231+ ((240-231)/240) * 255=240.56 ≈ OxF0=L1, i.e., to subregion MURA optimization processings after, the son
The brightness in region tends to the representative value of current brightness of display screen.In another alternative embodiment of the present invention, it can also be to obtain currently
After the representative value L1 of brightness of display screen, absolute value of every sub-regions with L1 differences is then calculated, if absolute value is more than preset value,
Such as Ox06, then the subregion is labeled as needing to the subregion of MURA optimization processings, otherwise labeled as normal subregion, that is, is not required to
Carry out the subregion of MURA optimization processings.Such as the subregion brightness Lmura=OxE7 for needing MURA optimization processings, meter
L1-Lmura=d is calculated, then the MURA compensation deals strategies formulated the subregion are：L=Lmura+d so that the son after processing
The brightness in region is equal to the representative value of current brightness of display screen.In the present embodiment, for the formulation side of MURA compensation deals strategies
Formula is not limited, and the subregion brightness after need to only handling is equal to or tended to current brightness of display screen representative value.
In another alternative embodiment of the present invention, it is uneven by vision direct feel to television indicator colour temperature to be present in user
Phenomenon, then manually preset MURA phenomenons compensating switch is opened in operation, and so as to trigger operating instruction two, TV detects this
After operating instruction two, backlight regulation is carried out first, is closed related screen and is become, the operation such as local dimming, so that tv display screen backlight
In maximum rating, detection picture, such as pure red picture are then shown on a display screen.After the completion of the pure red picture is shown,
It can be that user is shot by filming apparatus such as mobile phone to display screen, obtain shooting picture corresponding to current display screen,
Then by way of wire communication or wireless telecommunications, will shooting picture be sent to TV (such as by the equipment such as USB access
The input port of television system, by shooting picture transfer to TV).It can also be that TV is sent to the filming apparatus of communication connection to clap
Order is taken the photograph, filming apparatus is shot after the order is received to display screen, obtains shooting figure corresponding to current display screen
Piece, then feed back to TV.Television reception is positioned according to the pre-set image of pure red picture and identified to after the shooting picture, it is determined that
Effective coverage.After effective coverage determines, the effective coverage is cut, picture corresponding to effective coverage is cut into some sons
Region.In the present embodiment, according to the treatable minimum image processing unit of picture processing chip to picture corresponding to effective coverage
Cut, for example, display resolution is 3840*2160, the treatable minimum picture processing unit of picture processing chip is
The image of 64 pixels, then after being cut to effective coverage, obtain 480*270 sub-regions.Then analysis obtains every height
The color temperature information in region, and the color temperature information of every sub-regions is recorded in Matrix List according to position.Square as shown in Figure 6
Array represents to be intended to, and what is only recorded in the present embodiment is the color temperature information of every sub-regions.Then with every 9 sub-regions
The rule of a comparison domain is formed, once determines the first comparison domain, the second comparison domain, the 3rd comparison domain ... ... the
1440 comparison domains.Then since the first comparison domain, color temperature information using the center subregion of each comparison domain is subtracts
Number, the color temperature information of remaining 8 sub-regions is minuend, and the absolute value of 8 differences is calculated, if 8 obtained difference
Absolute value be more than preset value, such as X, then the region is recorded, and continue the processing of next comparison domain, if nothing
More than the value, then do not keep a record, continue the processing of next comparison domain.According to above flow, until completing all comparisons
The processing in region.Flow collects after terminating to all comparison domain records more than X.Then all comparison areas more than X are ignored
Domain, the maximum color temperature information in the subregion included in remaining comparison domain is calculated, the typical case as current display screen colour temperature
Value, is denoted as Y.Then calculate per sub-regions with the absolute value of Y differences, if absolute value is more than preset value, be greater than Z, then will
The subregion is labeled as needing the subregion of MURA optimization processings, otherwise labeled as normal subregion, i.e., need not carry out MURA
The subregion of optimization processing.Such as one to need the subregion colour temperatures of MURA optimization processings be C, Y-C=d is calculated, then to the sub-district
Domain formulate MURA compensation deals strategies be：CMend=C+d so that the colour temperature of the subregion is equal to current display screen colour temperature after processing
Representative value.In the present embodiment, it is not limited for the formulation mode of MURA compensation deals strategies, the subregion after need to only handling
Colour temperature is equal to or tended to current display screen colour temperature representative value.
In the embodiment of the present invention, by showing detection picture on tv display screen, it is corresponding then to obtain current display screen
Shooting picture, the effective coverage shot in picture is divided into some subregions, analysis obtains the display information of every sub-regions,
According to the display information of every sub-regions, the offset of every sub-regions is obtained, every sub-regions are mended according to offset
Repay processing.Pass through the present embodiment so that when TV has MURA phenomenons, MURA phenomenons can be compensated, ensure that display screen is each
Region has identical display effect while same brightness signal inputs, and lifts the uniformity of each region display effect, increases
Strong user's visual experience impression.
Further, in the alternative embodiment of MURA phenomenons compensation method one of the present invention, step S10 includes：
Preset detection picture is shown on tv display screen, obtains and is shot corresponding to the current display screen of filming apparatus shooting
Picture.
Detection picture is built-in with the present embodiment, in video memory, for example, the GTG for the different gray scales that prestore on television
Picture, pure red picture, ethereal blue picture etc..Detect the size and tv display screen resolution match of picture.Detect picture
Corner is preset with framing mark respectively.For example, red pixel point is preset in the corner of GTG picture, in pure red picture corner
Default black pixel point, red pixel point is preset in ethereal blue picture corner.As shown in figure 3, Fig. 3 is the detection embodiment of picture one
Schematic diagram.When detection picture show on a display screen after the completion of, can be user by filming apparatus such as mobile phone to display screen
Shot, obtain shooting picture corresponding to current display screen, then by way of wire communication or wireless telecommunications, will shoot
Picture is sent to TV (such as the input port of television system being accessed by equipment such as USB, by shooting picture transfer to TV).Also
Can be that TV sends shooting order to the filming apparatus of communication connection, filming apparatus is after the order is received, to display screen
Shot, obtain shooting picture corresponding to current display screen, then feed back to TV.
In the present embodiment, when MURA phenomenons be as brightness display inequality caused by (judged by user's visual experience), then exist
Preset GTG picture is shown on tv display screen, such as the GTG picture that gray scale is OxFF.When MURA phenomenons are shown by colour temperature
Caused by inequality, then preset pure red picture/ethereal blue picture/pure green picture etc. is shown on tv display screen.
In the present embodiment, detection picture is shown on a display screen, then obtains the shooting picture of now display screen, for
Subsequently the shooting picture is analyzed, realizes and processing is optimized to the region that MURA phenomenons in display screen be present, so as to protect
Card each region of display screen has identical display effect (including brightness, colour temperature etc.) in the case where same brightness signal inputs,
Lift each regional luminance, the uniformity that colour temperature is shown, enhancing user viewing experience impression.
Further, in the alternative embodiment of MURA phenomenons compensation method one of the present invention, shown on tv display screen preset
Detection picture includes：
When tv display screen backlight is in maximum rating, preset detection picture is shown on tv display screen.
In the present embodiment, when user is during TV is watched, there is MURA phenomenons in vision direct feel to TV
(MURA refers to that display brightness, colour temperature etc. are uneven, causes the phenomenon of various vestiges).Manually preset MURA is opened in operation
Phenomenon compensating switch, so as to trigger operating instruction, after TV detects the operating instruction, backlight is adjusted, such as adjusts
To maximum, some TVs also have the functions such as screen change, local dimming, then by these function Close Alls, ensure tv display screen
Backlight be in maximum rating, when tv display screen backlight is in maximum rating, preset detection is shown on tv display screen
Picture.After MURA compensation deals are exited, recover related and set.
In the present embodiment, tv display screen backlight is adjusted to maximum rating so that will not be because of during detection picture display
This factor of backlight influences display effect, so as to lift the accuracy of compensation deals strategy.
Further, in the alternative embodiment of MURA phenomenons compensation method one of the present invention, the detection picture is preset with image
Positioning mark, the effective coverage for determining the shooting picture include：
The position of framing mark is determined, the position that mark is positioned according to described image determines having for the shooting picture
Imitate region.
In the present embodiment, as shown in figure 4, Fig. 4 is TV and the schematic diagram of a scenario of the embodiment of filming apparatus one.Television reception
To after the shooting picture, because shooting picture also includes the image outside display screen, then picture is detected according in shooting picture
Pre-set image positioning mark, determines effective coverage.
For example, presetting red pixel point in the corner of GTG picture, black pixel point is preset in pure red picture corner, pure
Preset red pixel point in blueprint piece corner.As shown in figure 3, Fig. 3 is the schematic diagram of the detection embodiment of picture one.Shown in display screen
During above-mentioned GTG picture, then effective coverage is determined according to the position of detection red pixel point, above-mentioned pure red figure is shown in display screen
During piece, then effective coverage is determined according to the position of detection black pixel point, when display screen shows above-mentioned ethereal blue picture, then basis
The position of detection red pixel point determines effective coverage.
In the present embodiment, because shooting picture includes the image outside display screen, then figure is set in picture is detected in advance
Framing is set to identify as positioning mark, such as in detection picture corner, in this way, picture can be detected according in shooting picture
Pre-set image positioning mark, determine effective coverage.For subsequently analyzing the effective coverage, realize to existing in display screen
The region of MURA phenomenons optimizes processing.
Further, it is described to be divided into the effective coverage in the alternative embodiment of MURA phenomenons compensation method one of the present invention
Some subregions include：
According to minimum image processing unit corresponding to prediction picture process chip, the effective coverage is divided into some sub-districts
Domain.
In the present embodiment, when being divided to effective coverage, according to corresponding to prediction picture process chip at minimum image
Effective coverage is divided into enough subregions by reason unit.For example, display resolution is 3840*2160, picture processing core
The treatable minimum picture processing unit of piece is the image of 64 pixels, then after being cut to effective coverage, obtains 480*270
Sub-regions, it is 8*8 per sub-regions pixel.In the present embodiment, according to minimum image corresponding to prediction picture process chip
Effective coverage is divided into enough subregions by processing unit so that follow-up calculating processing more details, lifts compensation deals
The accuracy of strategy.
Further, in the alternative embodiment of MURA phenomenons compensation method one of the present invention, step S30 includes：
According to the display information of each sub-regions, the representative value of current display on-screen-display message is obtained；
According to the display information and representative value, the offset of each sub-regions is obtained；
According to the offset, the compensation deals strategy of each sub-regions is formulated, so that each sub-district after compensation deals
The display information in domain tends to the representative value.
In an alternate embodiment of the present invention, there are brightness irregularities in user by vision direct feel to television indicator
Phenomenon, then manually preset MURA phenomenons compensating switch is opened in operation, and so as to trigger operating instruction one, TV detects the fortune
After row instruction one, backlight regulation is carried out first, is closed related screen and is become, the operation such as local dimming, so that at tv display screen backlight
In maximum rating, GTG picture is then shown on a display screen, such as the GTG picture that display gray shade value is OxFF.In the GTG
After the completion of picture is shown, it can be that user is shot by filming apparatus such as mobile phone to display screen, obtain current display screen
Corresponding shooting picture, then by way of wire communication or wireless telecommunications, shooting picture is sent to TV.It can also be
TV sends shooting order to the filming apparatus of communication connection, and filming apparatus is clapped display screen after the order is received
Take the photograph, obtain shooting picture corresponding to current display screen, then feed back to TV.As shown in figure 4, Fig. 4 is TV and filming apparatus
The schematic diagram of a scenario of one embodiment.Television reception is to after the shooting picture, because shooting picture also includes the figure outside display screen
Picture, then mark is positioned according to the pre-set image that picture is detected in shooting picture, determine effective coverage.As shown in figure 5, Fig. 5 is this
The schematic diagram of the invention shooting embodiment of picture one.After being determined in effective coverage, picture corresponding to the effective coverage is cut,
Picture corresponding to effective coverage is cut into some subregions.For example, at according to the treatable minimum image of picture processing chip
Reason unit is cut to picture corresponding to effective coverage, for example, display resolution is 3840*2160, picture processing chip
Treatable minimum picture processing unit is the image of 64 pixels, then after being cut to effective coverage, obtains 480*270
Sub-regions.Then analysis obtains the monochrome information of every sub-regions, and the monochrome information of every sub-regions is remembered according to position
Record in Matrix List.As shown in fig. 6, Fig. 6 is the Matrix List schematic diagram that record has monochrome information.Then with every 9 sub-districts
Domain forms the rule of a comparison domain, once determines the first comparison domain, the second comparison domain, the 3rd comparison domain ... ...
1440th comparison domain.Then since the first comparison domain, using the monochrome information of the center subregion of each comparison domain as
Subtrahend, the monochrome information of remaining 8 sub-regions is minuend, and the absolute value of 8 differences is calculated, if 8 obtained difference
The absolute value of value is more than preset value, such as Ox08, then is recorded the region, and continues the processing of next comparison domain,
If without the value is more than, does not keep a record, continue the processing of next comparison domain.According to above flow, until completing institute
There is the processing of comparison domain.Flow collects after terminating to all comparison domain records more than Ox08.Then all be more than is ignored
Ox08 comparison domain, the high-high brightness information in the subregion included in remaining comparison domain is calculated, as current display
Shield the representative value of brightness, be denoted as L1, such as L1=OxF0.Then calculate per sub-regions with the absolute value of L1 differences, if definitely
Value is more than preset value, such as Ox06, then the subregion is labeled as needing to the subregion of MURA optimization processings, otherwise labeled as normal
Subregion, i.e., it need not carry out the subregion of MURA optimization processings.Subregion monochrome information for needing MURA optimization processings
Be denoted as Lmura, for example, one need MURA optimization processings subregion brightness Lmura=OxE7, the then subregion offset R=
(L1-Lmura)/L1, and now the actual grey value of input picture is OxFF, then the MURA compensation deals formulated the subregion
Strategy is：The actual grey value of L=Lmura+R* input pictures, i.e. L=OxE7+ ((L1-Lmura)/L1) * OxFF=231+
((240-231)/240) * 255=240.56 ≈ OxF0=L1, i.e., to subregion MURA optimization processings after, the subregion
Brightness tends to the representative value of current brightness of display screen.In another alternative embodiment of the present invention, it can also be to obtain current display screen
After the representative value L1 of brightness, then calculate per sub-regions with the absolute value of L1 differences, if absolute value is more than preset value, such as
Ox06, then the subregion is labeled as needing to the subregion of MURA optimization processings, otherwise labeled as normal subregion, i.e., need not be entered
The subregion of row MURA optimization processings.Such as the subregion brightness Lmura=OxE7 for needing MURA optimization processings, calculate L1-
Lmura=d, then the MURA compensation deals strategies formulated the subregion are：L=Lmura+d so that the subregion after processing
Brightness is equal to the representative value of current brightness of display screen.In the present embodiment, do not done for the formulation mode of MURA compensation deals strategies
Limitation, the subregion brightness after need to only handling are equal to or tended to current brightness of display screen representative value.
In another alternative embodiment of the present invention, when MURA phenomenons are due to that display screen colour temperature shows that inequality causes, then lead to
Crossing the manually operated preset MURA phenomenons compensating switch of opening, (for example, it is triggering operating instruction one that the switch, which clicks, double-clicking is
Trigger operating instruction two), so as to trigger operating instruction two, after TV detects the operating instruction two, backlight regulation is carried out first,
Close related screen to become, the operation such as local dimming, so that tv display screen backlight is in maximum rating, then show on a display screen
Picture, such as pure red picture/ethereal blue picture/pure green picture are detected, then obtains shooting picture corresponding to current display screen, such as
User's operating handset is shot to display screen, is obtained shooting picture, is then transferred to by way of wire communication or wireless telecommunications
TV, or TV send shooting order to the filming apparatus of communication connection, and filming apparatus is after the order is received, to display
Screen is shot, and is obtained shooting picture corresponding to current display screen, is then fed back to TV.Television reception is to the shooting picture
Afterwards, positioned and identified according to the pre-set image of pure red picture, determine effective coverage.After effective coverage determines, the effective coverage is entered
Row is cut, and picture corresponding to effective coverage is cut into some subregions.In the present embodiment, it can be handled according to picture processing chip
Minimum image processing unit picture corresponding to effective coverage is cut, for example, display resolution is 3840*2160,
The treatable minimum picture processing unit of picture processing chip is the image of 64 pixels, then after being cut to effective coverage,
Obtain 480*270 sub-regions.Then analysis obtains the color temperature information of every sub-regions, and by the color temperature information of every sub-regions
It is recorded according to position in Matrix List.Matrix List schematic diagram as shown in Figure 6, what is only recorded in the present embodiment is
Color temperature information per sub-regions.Then the rule of a comparison domain is formed with every 9 sub-regions, once determines that first compares
Region, the second comparison domain, the comparison domain of the 3rd comparison domain ... ... the 1440th.Then since the first comparison domain, with every
The color temperature information of the center subregion of individual comparison domain is subtrahend, and the color temperature information of remaining 8 sub-regions is minuend, is calculated
To the absolute value of 8 differences, if the absolute value of 8 obtained differences is more than preset value, such as X, then the region is remembered
Record, and continue the processing of next comparison domain, if without the value is more than, does not keep a record, continue next comparison domain
Processing.According to above flow, until completing the processing of all comparison domains.Flow terminate after to all comparison areas more than X
Domain record collects.Then ignore all comparison domains more than X, calculate in the subregion included in remaining comparison domain most
Big color temperature information, as the representative value of current display screen colour temperature, it is denoted as Y.Then calculate per sub-regions with the absolute of Y differences
Value, if absolute value is more than preset value, is greater than Z, then the subregion is labeled as needing to the subregion of MURA optimization processings, no
Normal subregion is then labeled as, i.e., need not carry out the subregion of MURA optimization processings.Such as one need MURA optimization processings
Subregion colour temperature is C, calculates Y-C=d, then the MURA compensation deals strategies formulated the subregion are： CMend=C+d so that place
The colour temperature of the subregion is equal to the representative value of current display screen colour temperature after reason.In the present embodiment, for MURA compensation deals strategies
Formulation mode be not limited, only need to handle after subregion colour temperature be equal to or tend to current display screen colour temperature representative value.
In the embodiment of the present invention, by showing detection picture on tv display screen, it is corresponding then to obtain current display screen
Shooting picture, the effective coverage shot in picture is divided into some subregions, analysis obtains the display information of every sub-regions,
According to the display information of every sub-regions, the offset of every sub-regions is obtained, every sub-regions are mended according to offset
Repay processing.Pass through the present embodiment so that when TV has MURA phenomenons, MURA phenomenons can be compensated, ensure that display screen is each
Region has identical display effect while same brightness signal inputs, and lifts the uniformity of each region display effect, increases
Strong user's visual experience impression.
Further, in the alternative embodiment of MURA phenomenons compensation method one of the present invention, include before step S10：
If the first operating instruction on luminance compensation is detected, using preset GTG picture as preset detection picture；
If the second operating instruction on color temperature compensating is detected, using preset pure color picture as preset detection picture.
In the present embodiment, a MURA compensating switches can be set, it is triggering operating instruction one that the switch, which clicks, is performed to bright
The step of MURA phenomenons caused by degree inequality compensate；It is triggering operating instruction two to double-click, and performs and colour temperature inequality is caused
MURA phenomenons the step of compensating；By being one+operating instruction of triggering operating instruction two under three.For example, user is in viewing electricity
Apparent time, experience tv display screen and the uneven phenomenon of brightness display be present, then click MURA compensating switches, referred to triggering operation
One is made, if user when watching TV, experiences display display screen and the uneven phenomenon of colour temperature display be present, then double-clicks MURA
Compensating switch, to trigger operating instruction two, if user when watching TV, experiences display screen while brightness be present showing not
, the uneven phenomenon of colour temperature display, then press three times MURA compensating switches, to trigger operating instruction one and operating instruction two, electricity
In the presence of apparent detects operating instruction one and operating instruction two simultaneously, can first operating instruction operating instruction two or first transport again and again
Row instruction two is reruned instruction one, and this is not restricted.In the present embodiment, the triggering mode of operating instruction is not restricted, had
Body is configured according to being actually needed.Perform to the step of MURA phenomenons compensate caused by brightness disproportionation and perform to colour temperature
The step of MURA phenomenons compensate caused by inequality is described above, and will not be described here.
In the present embodiment, user's MURA phenomenons according to caused by brightness, operating instruction corresponding to triggering is manually operated,
For TV perform to MURA phenomenons compensate caused by brightness disproportionation the step of, user MURA according to caused by colour temperature shows
As operating instruction corresponding to triggering manually being operated, for performing to enter MURA phenomenons caused by colour temperature inequality for TV
The step of row compensation.By the present embodiment, when TV has MURA phenomenons, user is only needed by simple operations, holds TV
The step of row compensates to MURA phenomenons, so as to ensure that each region has identical while same brightness signal inputs
Brightness, colour temperature, lift each regional luminance, the uniformity that colour temperature is shown, enhancing user viewing experience impression.
Further, in the alternative embodiment of MURA phenomenons compensation method one of the present invention, the display information is believed including brightness
Breath and/or color temperature information.
In the present embodiment, TV MURA phenomenons normally behave as brightness disproportionation and/or colour temperature is uneven, the present embodiment display letter
Breath is not limited to monochrome information, color temperature information, can specifically be expanded according to being actually needed.
In addition, the embodiment of the present invention also proposes a kind of computer-readable recording medium, the computer-readable recording medium
On be stored with MURA phenomenon compensation programs, the MURA phenomenons compensation program realizes MURA as described above when being executed by processor
The step of phenomenon compensation method.
The specific embodiment of computer-readable recording medium of the present invention and each implementation of above-mentioned MURA phenomenons compensation method
Example is essentially identical, will not be described here.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone,
Computer, server, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of MURA phenomenons compensation method, applied to TV, it is characterised in that the MURA phenomenons compensation method includes：
Preset detection picture is shown on tv display screen, obtains shooting picture corresponding to current display screen；
The effective coverage of the shooting picture is determined, the effective coverage is divided into some subregions, obtains each sub-regions
Display information；
According to the display information of each sub-regions, offset corresponding to each sub-regions is obtained, is formulated according to the offset each
The compensation deals strategy of sub-regions.
2. MURA phenomenons compensation method as claimed in claim 1, it is characterised in that it is described shown on tv display screen it is preset
Picture is detected, obtaining shooting picture corresponding to current display screen includes：
Preset detection picture is shown on tv display screen, obtains shooting figure corresponding to the current display screen of filming apparatus shooting
Piece.
3. MURA phenomenons compensation method as claimed in claim 1 or 2, it is characterised in that described to be shown on tv display screen
Preset detection picture includes：
When tv display screen backlight is in maximum rating, preset detection picture is shown on tv display screen.
4. MURA phenomenons compensation method as claimed in claim 1, it is characterised in that the detection picture is preset with framing
Mark, the effective coverage for determining the shooting picture include：
The position of framing mark is determined, the position that mark is positioned according to described image determines the effective district for shooting picture
Domain.
5. MURA phenomenons compensation method as claimed in claim 1, it is characterised in that it is described the effective coverage is divided into it is some
Subregion includes：
According to minimum image processing unit corresponding to prediction picture process chip, the effective coverage is divided into some subregions.
6. MURA phenomenons compensation method as claimed in claim 1, it is characterised in that described to be believed according to the display of each sub-regions
Breath, obtains offset corresponding to each sub-regions, and the compensation deals strategy of each sub-regions is formulated according to the offset and is included：
According to the display information of each sub-regions, the representative value of current display on-screen-display message is obtained；
According to the display information and representative value, the offset of each sub-regions is obtained；
According to the offset, the compensation deals strategy of each sub-regions is formulated, so that each sub-regions after compensation deals
Display information tends to the representative value.
7. MURA phenomenons compensation method as claimed in claim 1, it is characterised in that it is described shown on tv display screen it is preset
Picture is detected, is included before obtaining shooting picture corresponding to current display screen：
If the first operating instruction on luminance compensation is detected, using preset GTG picture as preset detection picture；
If the second operating instruction on color temperature compensating is detected, using preset pure color picture as preset detection picture.
8. the MURA phenomenon compensation methodes as any one of claim 1 to 7, it is characterised in that the display information bag
Include monochrome information and/or color temperature information.
9. a kind of TV, it is characterised in that the TV includes：Memory, processor and it is stored on the memory and can
The MURA phenomenon compensation programs run on the processor, the MURA phenomenons compensation program is by real during the computing device
The step of now MURA phenomenon compensation methodes as any one of 1 to 8.
10. a kind of computer-readable recording medium, it is characterised in that be stored with MURA on the computer-readable recording medium and show
As compensation program, realized when the MURA phenomenons compensation program is executed by processor as any one of claim 1 to 8
The step of MURA phenomenon compensation methodes.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281120A (en) * | 2018-01-27 | 2018-07-13 | 深圳市华星光电半导体显示技术有限公司 | The Mura method for repairing and mending of display panel |
| CN109036260A (en) * | 2018-08-31 | 2018-12-18 | 北京集创北方科技股份有限公司 | Data processing method, display driver chip and display equipment |
| WO2020056952A1 (en) * | 2018-09-21 | 2020-03-26 | 重庆惠科金渝光电科技有限公司 | Display panel control method, display panel and storage medium |
| CN112399235A (en) * | 2019-08-18 | 2021-02-23 | 海信视像科技股份有限公司 | Method for enhancing photographing effect of camera of smart television and display device |
| WO2021036281A1 (en) * | 2019-08-30 | 2021-03-04 | 霸州市云谷电子科技有限公司 | Brightness compensation data acquisition method, apparatus and device |
| CN112581903A (en) * | 2019-09-30 | 2021-03-30 | 华为终端有限公司 | Pixel compensation method and electronic equipment |
| CN113593501A (en) * | 2021-07-29 | 2021-11-02 | 昆山国显光电有限公司 | Mura compensation method and compensation device of display panel and display device |
| CN114677337A (en) * | 2022-03-11 | 2022-06-28 | 常州市新创智能科技有限公司 | Method and device for detecting oil stains on carbon fiber cloth surface |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426038A (en) * | 2001-12-12 | 2003-06-25 | 佳能株式会社 | Image display device and image display method |
| JP2007188074A (en) * | 2006-01-13 | 2007-07-26 | Exploit Technology Co Ltd | Optical member which improves unevenness in luminance distribution |
| KR20130051354A (en) * | 2011-11-09 | 2013-05-20 | 엘지디스플레이 주식회사 | Liquid crystal display device and driving method for comprising the same |
| CN104409066A (en) * | 2014-12-10 | 2015-03-11 | 深圳市华星光电技术有限公司 | Method for acquiring gray-scale compensation value of pixel |
| CN104934015A (en) * | 2014-03-21 | 2015-09-23 | 纬创资通股份有限公司 | display compensation method and display compensation system |
| CN106328079A (en) * | 2016-08-25 | 2017-01-11 | 深圳市华星光电技术有限公司 | Image brightness compensation method |
| CN106570483A (en) * | 2016-11-07 | 2017-04-19 | 厦门市妖猫网络有限公司 | Image positioning method and system |
| CN106791761A (en) * | 2016-12-19 | 2017-05-31 | 四川长虹电器股份有限公司 | Improve the uneven GAMMA adjustment methods of LCD screen colour temperature |
-
2017
- 2017-08-16 CN CN201710704562.8A patent/CN107591134B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1426038A (en) * | 2001-12-12 | 2003-06-25 | 佳能株式会社 | Image display device and image display method |
| JP2007188074A (en) * | 2006-01-13 | 2007-07-26 | Exploit Technology Co Ltd | Optical member which improves unevenness in luminance distribution |
| KR20130051354A (en) * | 2011-11-09 | 2013-05-20 | 엘지디스플레이 주식회사 | Liquid crystal display device and driving method for comprising the same |
| CN104934015A (en) * | 2014-03-21 | 2015-09-23 | 纬创资通股份有限公司 | display compensation method and display compensation system |
| CN104409066A (en) * | 2014-12-10 | 2015-03-11 | 深圳市华星光电技术有限公司 | Method for acquiring gray-scale compensation value of pixel |
| CN106328079A (en) * | 2016-08-25 | 2017-01-11 | 深圳市华星光电技术有限公司 | Image brightness compensation method |
| CN106570483A (en) * | 2016-11-07 | 2017-04-19 | 厦门市妖猫网络有限公司 | Image positioning method and system |
| CN106791761A (en) * | 2016-12-19 | 2017-05-31 | 四川长虹电器股份有限公司 | Improve the uneven GAMMA adjustment methods of LCD screen colour temperature |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281120A (en) * | 2018-01-27 | 2018-07-13 | 深圳市华星光电半导体显示技术有限公司 | The Mura method for repairing and mending of display panel |
| CN108281120B (en) * | 2018-01-27 | 2020-04-10 | 深圳市华星光电半导体显示技术有限公司 | Mura repairing method of display panel |
| CN109036260A (en) * | 2018-08-31 | 2018-12-18 | 北京集创北方科技股份有限公司 | Data processing method, display driver chip and display equipment |
| WO2020056952A1 (en) * | 2018-09-21 | 2020-03-26 | 重庆惠科金渝光电科技有限公司 | Display panel control method, display panel and storage medium |
| CN112399235A (en) * | 2019-08-18 | 2021-02-23 | 海信视像科技股份有限公司 | Method for enhancing photographing effect of camera of smart television and display device |
| CN112399235B (en) * | 2019-08-18 | 2023-05-09 | 海信视像科技股份有限公司 | Camera shooting effect enhancement method and display device of intelligent television |
| WO2021036281A1 (en) * | 2019-08-30 | 2021-03-04 | 霸州市云谷电子科技有限公司 | Brightness compensation data acquisition method, apparatus and device |
| US11482154B2 (en) | 2019-08-30 | 2022-10-25 | Bazhou Yungu Electronics Technology Co., Ltd. | Method, apparatus and device for acquiring luminance compensation data |
| CN112581903A (en) * | 2019-09-30 | 2021-03-30 | 华为终端有限公司 | Pixel compensation method and electronic equipment |
| CN112581903B (en) * | 2019-09-30 | 2022-05-06 | 华为终端有限公司 | Pixel compensation method and electronic equipment |
| CN113593501A (en) * | 2021-07-29 | 2021-11-02 | 昆山国显光电有限公司 | Mura compensation method and compensation device of display panel and display device |
| CN114677337A (en) * | 2022-03-11 | 2022-06-28 | 常州市新创智能科技有限公司 | Method and device for detecting oil stains on carbon fiber cloth surface |
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