CN105825832A - Method for adjusting screen color shift and electronic device - Google Patents
Method for adjusting screen color shift and electronic device Download PDFInfo
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- CN105825832A CN105825832A CN201510551043.3A CN201510551043A CN105825832A CN 105825832 A CN105825832 A CN 105825832A CN 201510551043 A CN201510551043 A CN 201510551043A CN 105825832 A CN105825832 A CN 105825832A
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Abstract
The embodiment of the present invention discloses a method for adjusting a screen color shift. The method for adjusting a screen color shift comprises the steps of obtaining the current color value of a screen and the target color value of the screen, matching the current color value of the screen and the target color value of the screen, obtaining a color checksum value, and finally adjusting the current color value of the screen according to the obtained color checksum value and adjusting the current color value of the screen as the target color value. The embodiment of the present invention also discloses a corresponding electronic device. Through the method for adjusting a screen color shift provided by the embodiment of the present invention, the accuracy is higher compared with the adjustment of a color temperature value, and the technical defect of screen final color performance inconsistence caused by purely adjusting the color temperature value is made up.
Description
Technical field
The present invention relates to mobile field, especially relate to a kind of method adjusting screen colour cast and electronic equipment.
Background technology
Pouring in daily life along with each class of electronic devices, and play its important function in all trades and professions, every field, the screen of each class of electronic devices the most naturally becomes a part the most direct, the most most frequent with user.And, the technology of the screen of the most each class of electronic devices also achieves prominent progress, and screen enlarging, lightening, high-resolution, high saturation etc. are all prominent embodiments.Wherein, the color representation of screen is also the key factor of a technology weighing display part, and the color representation of screen can directly affect first perception of user.But, the conforming management and control of difference of checking colors of currently displaying industry is poor, causes the screen of same model bigger color distortion occur.Thus it is guaranteed that the color representation concordance of identical product is very important for the quality of product, the color representation concordance of identical product can reflect manufacturer's corresponding product R & D Level and the strength of quality management and control.
Accordingly, solve at present the method for screen color performance deviation and mainly include following two:
The first: allow user oneself in equipment end setting screen colour temperature.The shortcoming of this kind of technology is, major part user does not understands the display colour temperature concept of specialty, it is impossible to enough colour temperatures being set to oneself hobby conveniently and efficiently, and this can not solve identical product, in the case of same color temperature sets, and the problem that misalignment is big.
The second: when screen dispatches from the factory, the color temperature value of burning correspondence screen in driving IC memorizer, then electronic equipment is further according to the color temperature value read, and dynamically adjusts colour temperature, it is ensured that the color representation concordance that product is higher.The shortcoming of this kind of technology is, firstly the need of the color temperature value reading screen, but color temperature value is one-dimensional, even the screen with color temperature, but its color representation may also be different, it is possible to can be the reddest or partially blue, it be inadequate for the most merely adjusting color temperature value, also it is coarse, it is impossible to be enough adjusted to desired color representation rapidly and accurately.
Summary of the invention
The embodiment of the present invention provides a kind of method adjusting screen colour cast and electronic equipment, in order to solve to rely on merely color temperature value, it is impossible to accurately management and control actual color performance, the problem of color representation concordance difference on the premise of identical colour temperature.
In order to solve above-mentioned technical problem, the invention provides a kind of method adjusting screen colour cast, including:
Obtain current color color value and the destination color value of screen of screen respectively；
Described current color color value and described destination color value are mated, obtains color check value；
According to described color check value, described current color color value is adjusted, the current color color value of described screen is adjusted to destination color value.
The embodiment of the present invention additionally provides a kind of electronic equipment, including:
Acquisition module, for obtaining current color color value and the destination color value of screen of screen respectively；
Processing module, for described current color color value and described destination color value being mated, obtains color check value；
Adjusting module, for being adjusted described current color color value according to described color check value, is adjusted to destination color value by the current color color value of described screen.
The method adjusting screen colour cast that the embodiment of the present invention provides, by obtaining current color color value and the destination color value of screen of screen respectively, then the current color color value of screen and the destination color value of screen are mated, obtain color check value, finally according to the color check value got, the current color color value of screen is adjusted, the current color color value of screen is adjusted to destination color value.The method of this adjustment screen colour cast can realize the color representation deviation reducing between different screen, compares regulation color temperature value accuracy higher, compensate for regulating merely the technological deficiency that the final color representation of screen that color temperature value causes is inconsistent.
Accompanying drawing explanation
Fig. 1 is the first embodiment flow chart that the present invention adjusts the method for screen colour cast；
Fig. 2 is the second embodiment flow chart that the present invention adjusts the method for screen colour cast；
Fig. 3 is the 3rd embodiment flow chart that the present invention adjusts the method for screen colour cast；
Fig. 4 is the example structure block diagram of the electronic equipment of the present invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing showing the exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and should not limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
First embodiment
As it is shown in figure 1, adjust the first embodiment flow chart of the method for screen colour cast for the present invention, this embodiment includes:
Step 101, obtains current color color value and the destination color value of screen of screen respectively.
In this step, current color color value and the destination color value of screen of screen are obtained respectively.Wherein, concrete, the current color color value of screen can be screen when dispatching from the factory burning at memorizer or those skilled in the art it is contemplated that other memory spaces in initial color value.
Step 102, mates current color color value and destination color value, obtains color check value.
In this step, the current color color value of screen and the destination color value of screen being mated, obtain color check value, wherein, color check value can be the destination color value of the current color color value of screen and screen value after matching operation.
Step 103, is adjusted current color color value according to color check value, and the current color color value of screen is adjusted to destination color value.
In this step, according to color check value, the current color color value of screen is adjusted, the current color color value of screen is adjusted to destination color value.
In the present embodiment, obtain current color color value and the destination color value of screen of screen the most respectively, then the current color color value of screen and the destination color value of screen are mated, obtain color check value, finally according to the color check value got, the current color color value of screen is adjusted, the current color color value of screen is adjusted to destination color value.Concrete, if the color error ratio of screen being adjusted when screen dispatches from the factory, then need to mate the initial color value of screen and the destination color value of screen, obtain the color check value of screen, finally according to the color check value obtained, screen is adjusted so that the initial color value of screen is adjusted to destination color value.
The color-values of screen is adjusted by the present embodiment by color check value, reach the purpose that the color-values of screen is consistent with destination color value, achieve the color representation deviation reduced between different screen, compare regulation color temperature value accuracy higher, compensate for regulating merely the technological deficiency that the final color representation of screen that color temperature value causes is inconsistent, solve and rely on merely color temperature value, cannot accurately management and control actual color performance problem, solve on the premise of identical colour temperature, the problem of color representation concordance difference simultaneously.Meanwhile, this embodiment ensure that the color representation concordance of identical product, thus improves the quality management and control strength of product.
Second embodiment
As in figure 2 it is shown, adjust the second embodiment flow chart of the method for screen colour cast for the present invention, this embodiment includes:
Step 201, the current chroma coordinate of the white light source in the CIE coordinate system of acquisition screen.
Concrete, chromaticity coordinate is the coordinate figure in CIE (CommissionInternationaledeL'Eclairage, the International Commission on Illumination) standard colorimetric system formulated by International Commission on Illumination.The chromaticity coordinate of white light source i.e. white point chromaticity coordinates then correspond to the chromaticity coordinates that pure white light is corresponding, in international standard, white point chromaticity coordinates is (0.33,0.33), but the country of different regions can be able to tend to select different white point chromaticity coordinates as standard because latitude, geography and the difference of annual equivalent at sunshine.
In this step, concrete, current chroma coordinate can be burning at memorizer or those skilled in the art it is contemplated that other memory spaces CIE coordinate system in the initial chroma coordinate of white light source, owing to the chromaticity coordinate of the white light source in CIE coordinate system is two-dimensional coordinate, therefore the current chroma coordinate of screen can be recorded as (x0, y0)。
Additionally, in this step, by the current chroma coordinate of the white light source in the CIE coordinate system of acquisition screen, utilize the chromaticity coordinate value in the CIE coordinate system of two dimension, the currently practical color representation of screen can be efficiently located.
Step 202, the target chrominance coordinates of the white light source in the CIE coordinate system of acquisition screen.
In this step, the target chrominance coordinates of the white light source in the CIE coordinate system of acquisition screen.Concrete, owing to the chromaticity coordinate of the white light source in CIE coordinate system is two-dimensional coordinate, therefore the target chrominance coordinates of screen can be recorded as (x1, y1)。
Step 203, mates current chroma coordinate with target chrominance coordinates, obtains chromaticity coordinate check value.
In this step, the current chroma coordinate of screen is mated with the target chrominance coordinates of screen, obtain the chromaticity coordinate check value of screen.Concrete, the chromaticity coordinate check value of screen includes redness, green and the distribution ratio of blue three color components.Additionally, chromaticity coordinate check value can be the target chrominance coordinates (x of screen1, y1) and the current chroma coordinate (x of screen0, y0) value after matching operation.Optionally, after getting the chromaticity coordinate check value of screen, it is also possible to the i.e. chromaticity coordinate check value of data of the distribution ratio of three color components red, green and blue is stored, in order to later screen color adjusts.
Step 204, according to chromaticity coordinate check value, is adjusted the current chroma coordinate of screen, is target chrominance coordinates by the current chroma Coordinate Adjusting of screen.
In this step, according to the chromaticity coordinate check value got, the current chroma coordinate of screen is adjusted, is target chrominance coordinates by the current chroma Coordinate Adjusting of screen.Concrete, the brightness ratio of the current red, green and blue pixel of screen can be adjusted according to the redness in verification chromatic value, green and the distribution ratio of blue three color components, so that the chromaticity coordinate of the screen after Tiao Zhenging and target chrominance coordinates (x1, y1) consistent, to reach to adjust the purpose of screen color deviation.
Concrete, in the present embodiment, if the color error ratio of screen being adjusted when screen dispatches from the factory, then need to mate the initial chroma coordinate of screen and the target chrominance coordinates of screen, obtain the chromaticity coordinate check value of screen, finally according to the chromaticity coordinate check value obtained, screen is adjusted so that the initial chroma Coordinate Adjusting of screen is target chrominance coordinates.
In the present embodiment, by the current chroma coordinate of the white light source in the CIE coordinate system of acquisition screen, and utilize the chromaticity coordinate value in the CIE coordinate system of two dimension, the actual color performance of current screen can be efficiently located；In addition, after the current chroma coordinate of screen and target chrominance coordinates are mated, the color check value of the distribution ratio including redness, green and blue three color components accurately can be obtained, then according to color check value accurately, the brightness ratio of the red, green and blue pixel of screen is adjusted, make screen can obtain desired target chrominance coordinates, thus it is the reddest or partially blue to solve same colour temperature sub-screen, color representation concordance poor problem, may finally obtain showing color stable and the high screen performance of concordance.
3rd embodiment
As it is shown on figure 3, adjust the 3rd embodiment flow chart of the method for screen colour cast for the present invention, this embodiment includes:
Step 301, obtains the first tristimulus values matrix of the current color domain space of screen.
In this step, the first tristimulus values matrix of the current color domain space of screen is obtained.At this it should be noted that the first tristimulus values matrix of current color domain space can be burning at memorizer or those skilled in the art it is contemplated that other memory spaces in the initial tristimulus values matrix in initial gamut space.Concrete, in chrominance C IE1931 colorimeter system, use three imaginary primary colors [X], [Y], [Z] substitutes red primaries R, green primary color G and blue primary B three primary colors, is made the unit of three kinds of primary colors by coupling equal-energy white.When brightness and the colourity of certain light source of quantitative expression, colorimetry equation can be expressed with following formula:
C [C]=a [X]+b [Y]+c [Z],
Wherein, the C [C] in above formula is the tristimulus values of secondary colour, and X represents red primaries stimulus value, and Y represents green primary color stimulus value, and Z represents blue primary stimulus value.
White is to be mixed by red green blue tricolor, and tristimulus values matrix is the tristimulus values matrix of white.Therefore the first tristimulus values matrix can represent with lower column matrix formation:
Wherein, XYZ_init represents the first tristimulus values matrix, RX_init represents the current X-axis coordinate figure of red primaries quantity of stimulus, RY_init represents the current Y-axis coordinate figure of red primaries quantity of stimulus, RZ_init represents the current Z axis coordinate figure of red primaries quantity of stimulus, GX_init represents the current X-axis coordinate figure of green primary color quantity of stimulus, GY_init represents the current Y-axis coordinate figure of green primary color quantity of stimulus, GZ_init represents the current Z axis coordinate figure of green primary color quantity of stimulus, BX_init represents the current X-axis coordinate figure of blue primary quantity of stimulus, BY_init represents the current Y-axis coordinate figure of blue primary quantity of stimulus, BZ_init represents the current Z axis coordinate figure of blue primary quantity of stimulus.
Step 302, obtains the second tristimulus values matrix in the target color gamut space of screen.
In this step, the second tristimulus values matrix in the target color gamut space of screen is obtained.Concrete, second tristimulus values matrix includes the target triaxial coordinate value of red primaries quantity of stimulus, the target triaxial coordinate value of green primary color quantity of stimulus and the target triaxial coordinate value of blue primary quantity of stimulus, wherein, the second tristimulus values matrix can represent with lower column matrix formation:
Wherein, XYZ_final represents the second tristimulus values matrix, RX_final represents the target X-axis coordinate figure of red primaries quantity of stimulus, RY_final represents the target Y-axis coordinate figure of red primaries quantity of stimulus, RZ_final represents the target Z axis coordinate figure of red primaries quantity of stimulus, GX_final represents the target X-axis coordinate figure of green primary color quantity of stimulus, GY_final represents the target Y-axis coordinate figure of green primary color quantity of stimulus, GZ_final represents the target Z axis coordinate figure of green primary color quantity of stimulus, BX_final represents the target X-axis coordinate figure of blue primary quantity of stimulus, BY_final represents the target Y-axis coordinate figure of blue primary quantity of stimulus, BZ_final represents the target Z axis coordinate figure of blue primary quantity of stimulus.
Step 303, mates the first tristimulus values matrix and the second tristimulus values matrix, obtains tristimulus values check matrix.
In this step, when the first tristimulus values matrix and the second tristimulus values matrix being mated, two matrixes can be carried out matching operation.Concrete, matching operation can use the computing of matrix.The computing of matrix is as follows: assume that A is a n × n matrix on number field, if there is another n × n matrix B on number field so that AB=C, and currently known initial matrix A and objective matrix C, then can be according to the formula B=A of matrix operations-1×C(A-1Inverse matrix for A) calculate B.At this it should be noted that computing when the first tristimulus values matrix and the second tristimulus values matrix mate is not only limited in above computing.
Additionally, optional, after the tristimulus values check matrix getting screen, tristimulus values check matrix can be stored, in order to later screen color adjusts.
Step 304, according to tristimulus values check matrix, is adjusted the first tristimulus values matrix of screen, is the second tristimulus values matrix by the first tristimulus values adjustment of matrix.
In this step, the first tristimulus values matrix of screen can be adjusted according to the tristimulus values check matrix got, is the second tristimulus values matrix by the first tristimulus values adjustment of matrix of screen.Concrete, owing to tristimulus values matrix including the triaxial coordinate value of red primaries quantity of stimulus, the triaxial coordinate value of green primary color quantity of stimulus and the triaxial coordinate value of blue primary quantity of stimulus, therefore tristimulus values check matrix can be utilized to realize the adjustment of current red, green and blue pixel intensity of screen, reach to adjust the purpose of screen color deviation.
Concrete, if the color error ratio of screen being adjusted when screen dispatches from the factory, the second tristimulus values matrix by the initial tristimulus values matrix in the initial gamut space of screen and the target color gamut space of screen is then needed to mate, obtain the tristimulus values check matrix of screen, finally according to the tristimulus values check matrix obtained, screen is adjusted so that the tristimulus values adjustment of matrix in the initial gamut space of screen is the second tristimulus values matrix.
In the present embodiment, the second tristimulus values matrix by the target color gamut space of the first tristimulus values matrix of current color domain space and screen that obtain screen, and the first tristimulus values matrix and the second tristimulus values matrix are mated, obtain tristimulus values check matrix, finally utilize this tristimulus values check matrix to carry out color adjustment.The present embodiment degree of accuracy is high, and controllability is good, it is possible to solve the simple problem relying on regulation color temperature value cannot accurately control its actual color representation, finally can obtain the screen color performance that display effect is satisfied and concordance is high.
4th embodiment
As shown in Figure 4, for the example structure block diagram of the electronic equipment of the present invention, electronic equipment includes:
Acquisition module 401, for obtaining current color color value and the destination color value of screen of screen respectively；
Processing module 402, for current color color value and destination color value being mated, obtains color check value；
Adjusting module 403, for being adjusted current color color value according to color check value, is adjusted to destination color value by the current color color value of screen.
Optionally, acquisition module 401 is specifically for the current chroma coordinate of the white light source in the CIE coordinate system of acquisition screen；The target chrominance coordinates of the white light source in the CIE coordinate system of acquisition screen.
Optionally, processing module 402, specifically for being mated with target chrominance coordinates by current chroma coordinate, obtains chromaticity coordinate check value, wherein, includes redness, green and the distribution ratio of blue three color components in chromaticity coordinate check value.
Optionally, the current chroma Coordinate Adjusting of screen, specifically for according to chromaticity coordinate check value, being adjusted the current chroma coordinate of screen, is target chrominance coordinates by adjusting module 403.
Optionally, acquisition module 401 is specifically for obtaining the first tristimulus values matrix of the current color domain space of screen, wherein, the first tristimulus values matrix includes the current triaxial coordinate value of red primaries quantity of stimulus, the current triaxial coordinate value of green primary color quantity of stimulus and the current triaxial coordinate value of blue primary quantity of stimulus；Obtaining the second tristimulus values matrix in the target color gamut space of screen, wherein, the second tristimulus values matrix includes the target triaxial coordinate value of red primaries quantity of stimulus, the target triaxial coordinate value of green primary color quantity of stimulus and the target triaxial coordinate value of blue primary quantity of stimulus.
Optionally, processing module 402, specifically for the first tristimulus values matrix and the second tristimulus values matrix being mated, obtains tristimulus values check matrix.
Optionally, adjusting module 403 is specifically for according to tristimulus values check matrix, being adjusted the first tristimulus values matrix of screen, by the second tristimulus values matrix that the first tristimulus values adjustment of matrix is target color gamut space of the current color domain space of screen.
Electronic equipment in the present embodiment obtains current color color value and the destination color value of screen of screen respectively by acquisition module, then by processing module, current color color value and destination color value are mated, obtain color check value, according to color check value, current color color value is adjusted finally by adjusting module, the current color color value of screen is adjusted to destination color value.Electronic equipment in the present embodiment is capable of the color representation deviation reducing between different screen, compares regulation color temperature value accuracy higher, compensate for regulating merely the technological deficiency that the final color representation of screen that color temperature value causes is inconsistent.
Each step in the electronic equipment embodiment energy implementation method embodiment of the present invention, is not described in detail in this.
It should be noted that, the electronic equipment provided in the above embodiment of the present invention is the electronic equipment applying the method for above-mentioned adjustment screen colour cast to obtain, all embodiments of the method for the most above-mentioned adjustment screen colour cast are all applicable to this electronic equipment, and all can reach same or analogous beneficial effect.Here, electronic equipment can be the electronic equipments such as computer, PAD and mobile terminal.
These many functional parts described in this description are all referred to as module, in order to specifically emphasize the independence of its implementation.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can be by computer program and complete to instruct relevant hardware, described program can be stored in a computer read/write memory medium, this program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAccessMemory, RAM) etc..
Above disclosed only one preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are made, still fall within the scope that invention is contained.
Claims (14)
1. the method adjusting screen colour cast, it is characterised in that including:
Obtain current color color value and the destination color value of screen of screen respectively；
Described current color color value and described destination color value are mated, obtains color check value；
According to described color check value, described current color color value is adjusted, the current color color value of described screen is adjusted to destination color value.
Method the most according to claim 1, it is characterised in that the described current color color value obtaining screen respectively and the destination color value of screen, including:
Obtain the current chroma coordinate of white light source in the CIE coordinate system of described screen；
Obtain the target chrominance coordinates of white light source in the CIE coordinate system of described screen.
Method the most according to claim 2, it is characterised in that described described current color color value and described destination color value are mated, obtains color check value, including:
Described current chroma coordinate is mated with described target chrominance coordinates, obtains chromaticity coordinate check value, wherein, described chromaticity coordinate check value includes redness, green and the distribution ratio of blue three color components.
Method the most according to claim 3, it is characterised in that described be adjusted described current color color value according to described color check value, is adjusted to destination color value by the current color color value of described screen, including:
According to described chromaticity coordinate check value, the current chroma coordinate of described screen is adjusted, is target chrominance coordinates by the current chroma Coordinate Adjusting of described screen.
Method the most according to claim 1, it is characterised in that the described current color color value obtaining screen respectively and the destination color value of screen, including:
Obtain the first tristimulus values matrix of the current color domain space of described screen, wherein, described first tristimulus values matrix includes the current triaxial coordinate value of red primaries quantity of stimulus, the current triaxial coordinate value of green primary color quantity of stimulus and the current triaxial coordinate value of blue primary quantity of stimulus；
Obtain the second tristimulus values matrix in the target color gamut space of described screen, wherein, described second tristimulus values matrix includes the target triaxial coordinate value of red primaries quantity of stimulus, the target triaxial coordinate value of green primary color quantity of stimulus and the target triaxial coordinate value of blue primary quantity of stimulus.
Method the most according to claim 5, it is characterised in that described described current color color value and described destination color value are mated, obtains color check value, including:
Described first tristimulus values matrix is mated with described second tristimulus values matrix, obtains tristimulus values check matrix.
Method the most according to claim 6, it is characterised in that described be adjusted described current color color value according to described color check value, is adjusted to destination color value by the current color color value of described screen, including:
According to described tristimulus values check matrix, the first tristimulus values matrix of described screen is adjusted, by the second tristimulus values matrix that the first tristimulus values adjustment of matrix is target color gamut space of the current color domain space of described screen.
8. an electronic equipment, it is characterised in that including:
Acquisition module, for obtaining current color color value and the destination color value of screen of screen respectively；
Processing module, for described current color color value and described destination color value being mated, obtains color check value；
Adjusting module, for being adjusted described current color color value according to described color check value, is adjusted to destination color value by the current color color value of described screen.
Electronic equipment the most according to claim 8, it is characterised in that described acquisition module is specifically for the current chroma coordinate of the white light source in the CIE coordinate system of the described screen of acquisition；Obtain the target chrominance coordinates of white light source in the CIE coordinate system of described screen.
Electronic equipment the most according to claim 9, it is characterized in that, described processing module is specifically for mating described current chroma coordinate with described target chrominance coordinates, obtain chromaticity coordinate check value, wherein, described chromaticity coordinate check value includes redness, green and the distribution ratio of blue three color components.
11. electronic equipments according to claim 10, it is characterized in that, the current chroma Coordinate Adjusting of described screen, specifically for according to described chromaticity coordinate check value, being adjusted the current chroma coordinate of described screen, is target chrominance coordinates by described adjusting module.
12. electronic equipments according to claim 8, it is characterized in that, described acquisition module is specifically for obtaining the first tristimulus values matrix of the current color domain space of described screen, wherein, described first tristimulus values matrix includes the current triaxial coordinate value of red primaries quantity of stimulus, the current triaxial coordinate value of green primary color quantity of stimulus and the current triaxial coordinate value of blue primary quantity of stimulus；Obtain the second tristimulus values matrix in the target color gamut space of described screen, wherein, described second tristimulus values matrix includes the target triaxial coordinate value of red primaries quantity of stimulus, the target triaxial coordinate value of green primary color quantity of stimulus and the target triaxial coordinate value of blue primary quantity of stimulus.
13. electronic equipments according to claim 12, it is characterised in that described processing module, specifically for being mated with described second tristimulus values matrix by described first tristimulus values matrix, obtains tristimulus values check matrix.
14. electronic equipments according to claim 13, it is characterized in that, described adjusting module is specifically for according to described tristimulus values check matrix, first tristimulus values matrix of described screen is adjusted, by the second tristimulus values matrix that the first tristimulus values adjustment of matrix is target color gamut space of the current color domain space of described screen.
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