CN108628715A - It is a kind of display equipment display effect bearing calibration and device - Google Patents
It is a kind of display equipment display effect bearing calibration and device Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
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- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
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- G—PHYSICS
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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Abstract
The embodiment of the present invention discloses display effect bearing calibration and the device of a kind of display equipment, is related to display technology field, system Gamma correction can be realized by simple algorithm, to improve the display effect for showing equipment.This method includes：Control shows that equipment enters pattern to be tested, and shows acquiescence graph card；Obtain the display characteristic data at collected preset gray scale on the display device；The mapping relations for showing that look-up table LUT, LUT include the display characteristic data and the display characteristic data after adjustment at all grayscale shown in equipment are generated according to the display characteristic data at preset gray scale；LUT is loaded on the display device, to show equipment according to the display characteristic data display detection graph card after being adjusted in LUT；Detection detection graph card, the display characteristic data if detection graph card does not meet testing standard on the detection graph card at acquisition preset gray scale regenerate LUT.
Description
Technical field
The embodiment of the present invention is related to display technology field more particularly to a kind of display effect bearing calibration of display equipment
And device.
Background technology
Linear change in brightness appears to be heterogeneous in human eye, and human eye is more sensitive to the variation of details in a play not acted out on stage, but told through dialogues, and to height
Bright part variation is not very sensitive in fact.That is, the middle ash that human eye is thought is not in fact on the ground that brightness is 0.5 (50 degree of ashes)
Side, but in the place that about brightness is 0.18 (18 degree of ashes).Therefore, if photographic equipment has used 8 bit spaces to store photo
If, a figure can be obtained with about 0.454 encoding gamma (coding gamma) come the luminance coding to input
Picture.0.45 this value is entirely due to what the feature measurement of human eye obtained.
Wherein, encoding gamma describe scene illumination values (the scene radiance that vision facilities captures
Values) code conversion function (the encoding between the pixel value (encoded pixel values) of coding
transfer function).Display gamma (display gamma) describes the pixel value of coding and the brightness of display
Code conversion function (encoding transfer function) between (displayed radiance).And encoding
The product of gamma and display gamma is the end-to-end gamma (end-to-end gamma) of a picture system.If this
A product is 1, then the brightness of real scene that the brightness shown is exactly and captures is proportional.Visual experience is determined
Video camera gamma 0.454 or so, display gamma 2.2 or so are determined.
Gamma correction (Gamma Correction) is to the gamma curve of image into edlin, non-thread to be carried out to image
The method of property tone editor.Gamma points are file Gamma, system Gamma, display Gamma；Display Gamma is display
Physical attribute its not recoverable；File Gamma is the digital photo file given to one, according to Specification file
Gamma is a definite value；System Gamma：It is computer system after having read photo digital document, is being output to display
A kind of variation before, is recoverable.System Gamma is one group or multigroup LUT, and (look-up-table, display are searched
Table).And LUT is the mapping table of one or more grey scale pixel value in fact, the grey scale pixel value that it arrives actual samples passes through one
Fixed transformation such as threshold value, reversion, binaryzation, setting contrast, linear transformation etc. becomes another corresponding gray scale
Value, can play the role of the useful information of prominent image, enhance the optical contrast ratio of image in this way.Many PC serial cards have 8/
10/12/16 or even 32 LUT specifically carries out which type of transformation is defined by software in LUT.It plays in fact
The effect of color space conversion is that a kind of effect of color is converted into another color effects.Therefore the correction of system Gamma
The display effect of electronic product can largely be influenced.
In the prior art, to realize better display effect, the pixel grey scale for acquiring whole grayscale is needed when making LUT
Value causes a large amount of time to waste, and the transfer process of LUT is complicated.
With development in science and technology and the improvement of people's living standards, the display effect of electronic product is required increasingly
Height, and how to be corrected by simple algorithm realization system Gamma more and more concerned.
Invention content
The embodiment of the present invention provide it is a kind of display equipment display effect bearing calibration and device, can be by simple
Algorithm realizes system Gamma corrections, to improve the display effect for showing equipment.
In a first aspect, a kind of display effect bearing calibration of display equipment is provided, including：It is to be measured that control shows that equipment enters
Die trial formula, and show acquiescence graph card；Obtain the display characteristic data at collected preset gray scale on the display device；According to pre-
If the display characteristic data at grayscale, which generate, shows that look-up table LUT, LUT include the display spy at all grayscale shown in equipment
Property data with adjustment after display characteristic data mapping relations；Load LUT on the display device, so as to show equipment according to
Display characteristic data display detection graph card after being adjusted in LUT；Detection detection graph card, if detection graph card does not meet testing standard
Display characteristic data on the detection graph card at acquisition preset gray scale regenerate LUT.
In the above method, it is aobvious into pattern to be tested to show that the display effect means for correcting of equipment can control display equipment
Show acquiescence graph card；Obtain the display characteristic data at collected preset gray scale on the display device；At preset gray scale
Display characteristic data, which generate, shows look-up table LUT；Include the display characteristic data at all grayscale in display equipment due to LUT
With the mapping relations of the display characteristic data after adjustment；After loading LUT on the display device in this way, display equipment being capable of basis
Display characteristic data display detection graph card after being adjusted in LUT；Then show that the display effect means for correcting of equipment detects again
Graph card is detected, the display characteristic data weight if detection graph card does not meet testing standard on detection graph card at acquisition preset gray scale
Newly-generated LUT can due to giving tacit consent to the display characteristic data at all grayscale of graph card without acquisition during generating LUT
System Gamma corrections are realized by simple algorithm, improve the display effect for showing equipment.
Second aspect provides a kind of display effect means for correcting of display equipment, including：
Processing module shows that equipment enters pattern to be tested for controlling, and shows acquiescence graph card；
Acquisition module, for obtaining the display characteristic data in the display equipment at collected preset gray scale；
The processing module is additionally operable to generate display look-up table LUT according to the display characteristic data at the preset gray scale,
The LUT includes that the display characteristic data at all grayscale in the display equipment are reflected with the display characteristic data after adjusting
Penetrate relationship；
Load-on module, for loading the LUT in the display equipment, so that the display equipment is according to the LUT
Display characteristic data display detection graph card after middle adjustment；
Detection module, for detecting the detection graph card, in the inspection if the detection graph card does not meet testing standard
The display characteristic data at preset gray scale are acquired on mapping card regenerates the LUT.
The third aspect provides a kind of display effect means for correcting of display equipment, including：Communication interface, processor, storage
Device, bus；For storing computer executed instructions, the processor is connected with the memory by the bus memory
It connects, when the terminal device is run, the processor executes the computer executed instructions of the memory storage, so that described
Show that the display effect means for correcting of equipment executes such as above-mentioned method.
Fourth aspect provides a kind of computer storage media, including instruction, when run on a computer so that institute
It states computer and executes such as above-mentioned method.
It is to be appreciated that the display effect means for correcting or computer storage media of any display equipment of above-mentioned offer
It is used to execute the corresponding method of first aspect presented above, therefore, the attainable advantageous effect of institute can refer to above
The advantageous effect of corresponding scheme in the method and following detailed description of first aspect, details are not described herein again.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the present invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the application system configuration diagram that the embodiment of the present invention provides；
Fig. 2 is a kind of display effect bearing calibration schematic diagram for display equipment that the embodiment of the present invention provides；
Fig. 3 is a kind of interpolation method schematic diagram that the embodiment of the present invention provides；
Fig. 4 is a kind of curve synoptic diagram for Lv-R crossing algorithm interpolation that the embodiment of the present invention provides；
Fig. 5 is the display characteristic schematic diagram data after a kind of adjustment that the embodiment of the present invention provides；
Fig. 6 is a kind of display effect schematic diagram that the embodiment of the present invention provides；
Fig. 7 is a kind of structural schematic diagram of the display effect means for correcting for display equipment that the embodiment of the present invention provides；
Fig. 8 is a kind of structural representation of the display effect means for correcting for display equipment that another embodiment of the present invention provides
Figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention can be applied to following system architecture, referring to Fig.1, including：Display equipment 11 to be detected,
Data acquisition equipment 12 and the display effect means for correcting 13 for showing equipment；Wherein, data acquisition equipment 12 includes that detection is visited
First 121 and connecting detection probe 121 data processing equipment 122, wherein detection probe 121 is fixed in alignment device 14,
So that detection probe 121 is close to the display surface of display equipment 11, detection probe 121 is moved by alignment device 14, data are adopted
Collection equipment 12 can realize the display characteristic data at acquisition preset gray scale；The display effect correction that embodiments herein provides
Device 13 can be electronic computer, PC etc., be illustrated by taking PC as an example in following scheme.Display effect means for correcting 13 passes through
Communication line is connect with data acquisition equipment 12 and display equipment 11 respectively, and illustrative display effect means for correcting 13 passes through
Serial Port Line connection shows equipment 11, and data acquisition equipment 12 is connected by Serial Port Line or USB line.
A kind of display effect bearing calibration of display equipment, reference are provided based on above system framework embodiments herein
Shown in Fig. 2, include the following steps：
101, PC controls show that equipment enters pattern to be tested, and show acquiescence graph card.
Wherein before step 101, PC is detected first is connected by Serial Port Line and display equipment 11, TV such as to be detected
It connects, PC is communicated normally with data acquisition equipment 12, and detection probe 121 is docked with the display surface of display equipment 11.Then it holds
The control of row step 101 shows that equipment reaches pattern to be detected.
102, PC obtains the display characteristic data at collected preset gray scale on the display device.
Wherein, alignment device 14 can be responsible for docking detection probe 121 and show that the display surface of equipment 11 reaches specific bit
It sets, and the display characteristic data at the corresponding grayscale in the position is acquired in the designated position, illustratively, the wherein display characteristic
Data can be to be expressed as XYZ tristimulus values at the grayscale, xyLv data etc..By taking 256 grayscale of 8bit as an example, Ke Yifen
The XYZ tristimulus values of R, G, B graph card at two groups of low grayscale, intermediate grayscale and high gray is not acquired.
103, PC is generated according to the display characteristic data at preset gray scale shows that look-up table LUT, LUT include in display equipment
All grayscale at display characteristic data with adjustment after display characteristic data mapping relations.
Specific step 103 includes：PC owns the display characteristic data at the grayscale of predetermined number into row interpolation
Display characteristic data at grayscale；Chromaticity coordinates to be detected is calculated according to the display characteristic data at each grayscale；When determination waits for
When the chromaticity coordinates of detection is less than predictive error value with target color coordinates, determine that the display after adjustment is special according to chromaticity coordinates to be detected
Property data；LUT is generated according to the display characteristic data after adjustment.Wherein, at least one interpolation algorithm may be used to default in PC
Display characteristic data at the grayscale of number obtain the display characteristic data at all grayscale, wherein interpolation algorithm packet into row interpolation
Include linear interpolation algorithm, power exponent interpolation algorithm.
It is illustrated below：
To any one graph card in tri- graph cards of R, G, B at the XYZ tristimulus values and 25 grayscale of the black graph card of 0 grayscale
XYZ values, the value of x is calculated according to following formula, then between 0-50 ranks according to the power exponent of x into row interpolation.
Wherein, GY25 indicates that the Y values of the G graph cards at 25 grayscale, GY0 indicate the Y values of the G graph cards at 0 grayscale,
GY50 indicates the Y values of the G graph cards at 50 grayscale, is used as inflection point at 50 grayscale herein, as shown in figure 3, it is directed to gray number K,
For 0-50 grayscale using power exponent into row interpolation, 50-255 grayscale uses linear interpolation, and 50-255 grayscale may be used it is multiple
The linear interpolation of slope, for example, according to the endpoint of linear interpolation, using first slope, in 75-125 ashes between 50-75 grayscale
Between rank using the second slope, between 125-150 grayscale using third slope, between 150-225 grayscale using the 4th tiltedly
Rate etc. can also use more slope differences certainly.Certainly it is only illustrated by taking the Y value interpolation of G graph cards as an example here,
The implementation of above method interpolation may be used in the XYZ tristimulus values of his graph card, xyLv data etc..
The inflection point at other grayscale as power exponent interpolation and linear interpolation can also be actually used, as long as meeting linear
The error rate of data and display equipment data is less than 20% after interpolation.Data as shown in table 1, wherein first is classified as ash
Exponent number, secondary series show that the Lv-R (the Lv values of R graph cards, unit nit (nit)) of standard, third row show that linear interpolation obtains
Lv values, the 4th row show secondary series and tertial error amount, the 4th row show Lv values that linear interpolation obtains with
The error rate of the Lv-R of standard.Then it can be seen that 0-40 grayscale is suitble to that power exponent interpolation, 40-255 is used to be suitble to insert using linear
Value, but although this method saves the time, but low order data validity almost can cause image quality of poor quality；Certainly
0-255 can also be selected all to use power exponent interpolation, but can be seen that according to linear interpolation needs according to the algorithm above
The display characteristic data of two grayscale sampled points are obtained, and power exponent interpolation at least needs the display characteristic of three grayscale sampled points
Data, therefore 0-255 can all increase the sampled point of acquisition display characteristic data using power exponent interpolation, often increase a sampling
Point corresponding time for increasing 2-3S, and one of grayscale all can serve as inflection point in 40-255, consider quality and efficiency 50 this
A point is Best Point, as shown in figure 4, showing the curve of display equipment actual data Lv-R and the Lv-R by algorithm interpolation
Figure, wherein abscissa are gray number, and ordinate is the value of Lv-R.
Table 1
It, can be according to making in the above manner in addition, after the display characteristic data at all grayscale after obtaining interpolation
Make the mode of the display characteristic data of 256 grayscale, then linear interpolation is 1024 grayscale or 4096 grayscale, is specifically repeated no more.
The display characteristic data at all grayscale are calculated by way of interpolation in this way, can be obtained using less initial data all
Display characteristic data at grayscale, that is, ensure that the accuracy of data, and improve the correction efficiency of system Gamma.
The process that LUT is obtained according to the result of above-mentioned interpolation is illustrated below：
According to closest to rule, searched original according to the brightness value (G rifles data indicate brightness wherein in RGB) of calculating
Per the corresponding grayscale value of single order in data, the G rifle data in RGB are determined.
According to formula W x=(RX+GX+BX)/(RX+RY+RZ+GX+GY+GZ+BX+BY+BZ)
Wy=(RY+GY+BY)/(RX+RY+RZ+GX+GY+GZ+BX+BY+BZ) formula and G rifle data calculate chromaticity coordinates Wx
And Wy, when the chromaticity coordinates Wx and Wy of calculating is less than predictive error value with target color coordinates, determination finally obtains R, B rifle data.
In R rifles derived above, G rifles, B rifle data, R rifles, B rifles data in low grayscale it is possible that the case where matching is less than data,
Linear interpolation can be done in 0-30 grayscale obtain the R rifles of 0-30 grayscale, B rifle data；The case where high-order is saturated, Ke Yi
240-255 does linear interpolation and obtains the R rifles of 240-255 grayscale, B rifle data, the R rifles finally obtained, G rifles, B rifles data such as Fig. 5
It is shown, the display characteristic data after finally adjusting obtained R rifles, G rifles, B rifles data the most and showing after above-mentioned interpolation calculation
Show that performance data establishes mapping relations and makes LUT, the wherein longitudinal axis (R rifles, G rifles, B rifles data) Integer (integer type) type
Numerical value indicates, for indicating color value.
104, PC loads LUT on the display device, to show that equipment is aobvious according to the display characteristic data after being adjusted in LUT
Show detection graph card.
105, PC detections detection graph card acquires preset gray scale if detection graph card does not meet testing standard on detection graph card
The display characteristic data at place regenerate LUT.
After the completion of LUT write-ins, need to detect whether Gamma, maximum brightness, low order and high-order meet testing standard.Such as
A in Fig. 6 shows that the display effect of the display equipment after adjustment white balance, the b in Fig. 6 show that the display for manually adjusting image quality is set
For display effect, the c in Fig. 6 shows that the scheme that embodiment using the present invention provides carries out the display after system Gamma corrections
The display effect of equipment.It can be seen that the c of Fig. 6 is best in the case of details in a play not acted out on stage, but told through dialogues.
In addition it should be noted that the control command that predetermined format may be used realizes PC to leading between display equipment
Letter, for example, PC sends the control command for meeting predetermined format to display equipment, control command includes LUT；The wherein predetermined format
Control command using serial port protocol send, can fully ensure that each operation can be executed accurately and effectively.Default lattice
Formula includes：Initial code, length, command code, data bit, check bit and end code, wherein LUT are included in the data bit.
Illustratively, as shown in the table：
In addition, PC can also receive the response message in response to above-mentioned control command that display equipment is sent, response message
Format includes：Initial code, length, command code, data bit, check bit and end code.Specific example such as following table：
In the above method, it is aobvious into pattern to be tested to show that the display effect means for correcting of equipment can control display equipment
Show acquiescence graph card；Obtain the display characteristic data at collected preset gray scale on the display device；At preset gray scale
Display characteristic data, which generate, shows look-up table LUT；Include the display characteristic data at all grayscale in display equipment due to LUT
With the mapping relations of the display characteristic data after adjustment；After loading LUT on the display device in this way, display equipment being capable of basis
Display characteristic data display detection graph card after being adjusted in LUT；Then show that the display effect means for correcting of equipment detects again
Graph card is detected, the display characteristic data weight if detection graph card does not meet testing standard on detection graph card at acquisition preset gray scale
Newly-generated LUT can due to giving tacit consent to the display characteristic data at all grayscale of graph card without acquisition during generating LUT
System Gamma corrections are realized by simple algorithm, improve the display effect for showing equipment.
The embodiment of the present invention provides a kind of display effect means for correcting of display equipment, is applied to implement above-mentioned display
The display effect bearing calibration of equipment includes with reference to shown in Fig. 7：
Processing module 71 shows that equipment enters pattern to be tested for controlling, and shows acquiescence graph card；
Acquisition module 72, for obtaining the display characteristic data in the display equipment at collected preset gray scale；
Processing module 71 is additionally operable to generate display look-up table LUT, institute according to the display characteristic data at the preset gray scale
It includes the mapping for showing the display characteristic data at all grayscale in equipment and the display characteristic data after adjustment to state LUT
Relationship；
Load-on module 73, for loading the LUT on the display device, so that the display equipment is according in the LUT
Display characteristic data display detection graph card after adjustment；
Detection module 74, for detecting detection graph card, in the detection if the detection graph card does not meet testing standard
The display characteristic data at preset gray scale are acquired on graph card regenerates the LUT.
In a kind of illustrative scheme, the processing module 71 is specifically used for aobvious at the grayscale of the predetermined number
Show that performance data obtains the display characteristic data at all grayscale into row interpolation；According to the display characteristic number at each grayscale
According to the chromaticity coordinates that calculating is to be detected；When determining that the chromaticity coordinates to be detected is less than predictive error with target color coordinates, according to
The chromaticity coordinates to be detected determines the display characteristic data after the adjustment, is given birth to according to the display characteristic data after the adjustment
At the LUT.
In a kind of illustrative scheme, the processing module 71 is specifically used for using at least one interpolation algorithm to described
Display characteristic data at the grayscale of predetermined number obtain the display characteristic data at all grayscale into row interpolation, wherein described insert
Value-based algorithm includes linear interpolation algorithm, power exponent interpolation algorithm.
In a kind of illustrative scheme, the load-on module 73 is specifically used for meeting to display equipment transmission predetermined
The control command of format, the control command include the display look-up table；The preset format includes：Initial code, length, life
Code, data bit, check bit and end code are enabled, wherein the display look-up table is included in the data bit.
In a kind of illustrative scheme, the acquisition module 73 is additionally operable to receive the response in response to the control command
The format of message, the response message includes：Initial code, length, command code, data bit, check bit and end code.
Wherein, all related contents for each step that above method embodiment is related to can quote corresponding function module
Function description, effect details are not described herein.
Using integrated module, show that the display effect means for correcting of equipment includes：Storage unit, processing
Unit and interface unit.Processing unit is used for showing that the action of the display effect means for correcting of equipment carries out control management,
For example, processing unit is used to support the display effect means for correcting of display equipment to execute process S101,103,105 in Fig. 2；It connects
Mouth unit is used to support the display effect means for correcting of display equipment to execute the process S102 in Fig. 2,104.Storage unit is used for
The program code and data of storage terminal device.
Wherein, using processing unit as processor, storage unit is memory, and interface unit is for communication interface.Wherein,
Terminal device is with reference to shown in Fig. 8, including communication interface 801, processor 1002, memory 803 and bus 804, communication interface
801, processor 802 is connected by bus 804 with memory 803.
Processor 802 can be a general central processor (Central Processing Unit, CPU), microprocessor
Device, application-specific integrated circuit (Application-Specific Integrated Circuit, ASIC) or one or more
A integrated circuit for controlling the execution of application scheme program.
Memory 803 can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (Random Access Memory, RAM) or letter can be stored
The other kinds of dynamic memory of breath and instruction, can also be Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to
Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this.
Memory can be individually present, and be connected with processor by bus.Memory can also be integrated with processor.
Wherein, memory 803 is used to store the application code for executing application scheme, and is controlled by processor 802
System executes.Communication interface 801 be used to execute it is above-mentioned Fig. 2 shows step 102,104.Processor 802 is for executing memory
The application code stored in 803, to realize the method described in the embodiment of the present application.
In addition, also providing a kind of calculating storage media (or medium), including carry out in above-described embodiment when executed
The instruction of the operation of method.
In addition, a kind of computer program product is also provided, including above-mentioned calculating storage media (or medium).
It should be understood that in various embodiments of the present invention, size of the sequence numbers of the above procedures is not meant to execute suitable
The execution sequence of the priority of sequence, each process should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
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 system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, equipment or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
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 read/write memory medium.Based on this understanding, technical scheme 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 expressed 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
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：USB flash disk, mobile hard disk, read-only memory (full name in English:Read-only memory, English letter
Claim：ROM), random access memory (full name in English：Random access memory, English abbreviation：RAM), magnetic disc or light
The various media that can store program code such as disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of display effect bearing calibration of display equipment, which is characterized in that including：
Control shows that equipment enters pattern to be tested, and shows acquiescence graph card；
Obtain the display characteristic data at collected preset gray scale in the display equipment；
It is generated according to the display characteristic data at the preset gray scale and shows that look-up table LUT, the LUT include the display equipment
On all grayscale at display characteristic data with adjustment after display characteristic data mapping relations；
The LUT is loaded in the display equipment, so that the display equipment is according to the display characteristic after being adjusted in the LUT
Data display detection graph card；
The detection graph card is detected, if the detection graph card does not meet testing standard, is acquired on the detection graph card default
Display characteristic data at grayscale regenerate the LUT.
2. according to the method described in claim 1, it is characterized in that, the display characteristic data according at the preset gray scale
LUT is generated, including：
Display characteristic data at all grayscale are obtained into row interpolation to the display characteristic data at the grayscale of the predetermined number；
Chromaticity coordinates to be detected is calculated according to the display characteristic data at each grayscale；
When determining that the chromaticity coordinates to be detected is less than predictive error value with target color coordinates, sat according to the color to be detected
Mark determines the display characteristic data after the adjustment；
The LUT is generated according to the display characteristic data after the adjustment.
3. according to the method described in claim 1, it is characterized in that, display characteristic at the grayscale to the predetermined number
Data obtain the display characteristic data at all grayscale into row interpolation；
Including：The display characteristic data at the grayscale of the predetermined number are obtained into row interpolation using at least one interpolation algorithm
Display characteristic data at all grayscale, wherein the interpolation algorithm includes linear interpolation algorithm, power exponent interpolation algorithm.
4. according to claim 1-3 any one of them methods, which is characterized in that it is described in the display equipment load described in
Show look-up table, including：The control command for meeting predetermined format is sent to the display equipment, the control command includes described
LUT；
The preset format includes：Initial code, length, command code, data bit, check bit and end code, wherein the LUT packets
It is contained in the data bit.
5. according to the method described in claim 4, it is characterized in that, the method further includes：It receives and is ordered in response to the control
The format of the response message of order, the response message includes：Initial code, length, command code, data bit, check bit and end
Code.
6. a kind of display effect means for correcting of display equipment, which is characterized in that including：
Processing module shows that equipment enters pattern to be tested for controlling, and shows acquiescence graph card；
Acquisition module, for obtaining the display characteristic data in the display equipment at collected preset gray scale；
The processing module, is additionally operable to be generated according to the display characteristic data at the preset gray scale and shows look-up table LUT, described
LUT includes the mapping pass of the display characteristic data at all grayscale in the display equipment and the display characteristic data after adjustment
System；
Load-on module, for loading the LUT in the display equipment, so that the display equipment is adjusted according in the LUT
Display characteristic data display detection graph card after whole；
Detection module, for detecting the detection graph card, in the detection figure if the detection graph card does not meet testing standard
The display characteristic data at preset gray scale are acquired on card regenerates the LUT.
7. device according to claim 6, which is characterized in that the processing module is specifically used for the predetermined number
Display characteristic data at grayscale obtain the display characteristic data at all grayscale into row interpolation；At each grayscale
Display characteristic data calculate chromaticity coordinates to be detected；Make a reservation for miss when determining that the chromaticity coordinates to be detected is less than with target color coordinates
When poor, the display characteristic data after the adjustment are determined according to the chromaticity coordinates to be detected, according to the display after the adjustment
Performance data generates the LUT.
8. device according to claim 7, which is characterized in that the processing module is specifically used for using at least one interpolation
Algorithm obtains the display characteristic data at all grayscale to the display characteristic data at the grayscale of the predetermined number into row interpolation,
The wherein described interpolation algorithm includes linear interpolation algorithm, power exponent interpolation algorithm.
9. according to claim 6-8 any one of them devices, which is characterized in that the load-on module is specifically used for described aobvious
Show that equipment sends the control command for meeting predetermined format, the control command includes the display look-up table；The preset format
Including：Initial code, length, command code, data bit, check bit and end code, wherein the display look-up table is included in described
Data bit.
10. device according to claim 9, which is characterized in that the acquisition module is additionally operable to receive in response to the control
The response message of order is made, the format of the response message includes：Initial code, length, command code, data bit, check bit and
End code.
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