CN105280156B - A kind of method and device for obtaining display screen maximum common color gamut - Google Patents

Abstract

The embodiment of the invention discloses a kind of method and device for obtaining display screen maximum common color gamut, for realizing that the maximum common color gamut of display screen of multiple bases is asked for, so as to improve the display consistency of display screen.The method that the embodiment of the present invention obtains display screen maximum common color gamut includes：The number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color all color dots in all colour gamuts are carried out with the primary colours classification of adjacent color；To belonging to same primary colours classification, and it is not belonging to all color dots in same colour gamut and is determined；The chromaticity coordinates according to corresponding to color dot determines public color dot of the satisfaction without departing from the condition in each colour gamut, and chromaticity coordinates corresponding to public color dot is the border chromaticity coordinates of at least one colour gamut；Maximum common color gamut is determined according to chromaticity coordinates corresponding to all public color dots.

Description

A kind of method and device for obtaining display screen maximum common color gamut

Technical field

The present invention relates to technical field of image processing, more particularly to a kind of method for obtaining display screen maximum common color gamut and Device.

Background technology

Display (display) is also generally referred to as monitor.Display is the I/O equipment for belonging to computer, that is, is inputted defeated Go out equipment.It is that a kind of be shown to certain e-file by specific transmission equipment is re-reflected into the aobvious of human eye on screen Show instrument.

Present display product is largely three primary colours display screen, i.e. RGB (RGB) three primary colours, by long-term hair Exhibition, the display screen of three primary colours are highly developed.However, the display of three primary colours also fails to truly reduce the color of nature, Display details in some high-end fields can not meet to require.In order that colour gamut is broader, at present using increase primary colours The method of quantity improves the colour gamut of display screen, for example, four primary (R+G+B+Y, red, green, blue and yellow), five primary colours (R+G+B+Y+C, it is red It is turquoise yellow blue or green) display screen.In this way, display actual effect seems finer and smoother, viewing is more comfortable.Present display splicing All there is the problem of lack of homogeneity in technology, therefore, needing to carry out consistency of colour regulation to whole wall after splicing, be allowed to uniformity More preferably.Especially for the display screen of multiple bases, colour consistency regulation needs to seek maximum colour gamut by a step, such as The correction of LED display.

Therefore, that how to ask for carrying out maximum common color gamut with regard to the display screen of multiple bases asks for having become this area skill Art personnel technical problem urgently to be resolved hurrily.

The content of the invention

The embodiments of the invention provide a kind of method and device for obtaining display screen maximum common color gamut, for realizing more bases The maximum common color gamut of the display screen of color is asked for, so as to improve the display consistency of display screen.

A kind of method for obtaining display screen maximum common color gamut provided in an embodiment of the present invention, including：

The number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color to the institute in all colour gamuts Coloured point carries out the primary colours classification of adjacent color；

To belonging to the same primary colours classification, and it is not belonging to all color dots in the same colour gamut and is determined；

Determined to meet the public color dot without departing from the condition in each colour gamut according to chromaticity coordinates corresponding to the color dot, Chromaticity coordinates corresponding to the public color dot is the border chromaticity coordinates of at least one colour gamut；

Maximum common color gamut is determined according to the chromaticity coordinates corresponding to all public color dots.

Alternatively, the chromaticity coordinates according to corresponding to the color dot determines to meet the public affairs without departing from the condition in each colour gamut Color dot specifically includes altogether：

Primary colours classification is traveled through successively, all color dots in classifying to the primary colours currently traveled through Chromaticity coordinates carries out condition judgment successively, if there are a color for meeting the condition without departing from each colour gamut Point, then the color dot is a public color dot, and next primary colours classification is traveled through, until all bases Colour sorting and its corresponding color dot traversal are completed, and determine all public color dots.

Alternatively, primary colours classification is traveled through successively, all institutes in classifying to the primary colours currently traveled through The chromaticity coordinates for stating color dot carries out condition judgment successively, if there are one of satisfaction without departing from the condition of each colour gamut The color dot, then the color dot is a public color dot, and next primary colours classification is traveled through, until all The primary colours classification and its corresponding color dot traversal are completed, and determine that all public color dots specifically include：

S1：It is j=1, k=j, color dot S=C by default settings_{J, i}, the j and the k are color corresponding to the color dot Domain variable value, the i are primary colours classification value, the C_{J, i}For the i-th primary colours classification color dot of colour gamut described in jth；

S2：Color gamut value r=1 corresponding to the color dot is made, carries out whether r is not equal to j, and the judgement not equal to k, if so, Then chromaticity coordinates corresponding to the color dot S that currently travels through is made whether without departing from triangle C corresponding to colour gamut described in r_{r,i+ 1}C_r,iC_r,i-1Judgement, if the color dot S exceeds triangle C corresponding to colour gamut described in r_r,i+1C_r,iC_r,i-1, then perform preset Colour gamut side intersection point judgment step, if the color dot S is without departing from triangle C corresponding to colour gamut described in r_r,i+1C_r,iC_r,i-1, then it is right Chromaticity coordinates corresponding to the color dot S currently traveled through is made whether without departing from triangle C corresponding to colour gamut described in r+1_{r+1,i+ 1}C_r+1,iC_r+1,i-1Judgement, if the color dot S currently traveled through exceeds triangle C corresponding to colour gamut described in r+1_{r+1,i+ 1}C_r+1,iC_r+1,i-1, then the preset colour gamut side intersection point judgment step is performed.Until traversing triangle corresponding to all colour gamuts Complete, and the color dot S currently traveled through is without departing from triangle C corresponding to colour gamut described in r+1_r+1,i+1C_r+1,iC_r+1,i-1, then The color dot S currently traveled through is a public color dot.

Alternatively, the preset colour gamut side intersection point judgment step specifically includes：

Judge whether k is equal to j, if k=j, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For summit Side C_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 or intersection point J2；

If the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}The intersection point J1 be present, it is determined that color dot S is the intersection point J1, and the first chromaticity coordinates corresponding to the intersection point J1 is calculated, k=r is set, and performs step S2 again；

If the side C_{J, i}C_{J, i+1}With the side C_{R, i}C_{R, i-1}The intersection point J2 be present, it is determined that color dot S is the intersection point J2, the second chromaticity coordinates corresponding to the intersection point J2 is calculated, k=j, j=r are set, and perform step S2 again；

If the side C_{J, i}C_{J, i-1}With the side C_r,iC_r,i+1And the side C_j,iC_{J, i+1}With the side C_{R, i}C_{R, i-1}Do not deposit In intersection point, it is determined that the color dot S=C_{R, i}, j=r, k=j are set, and perform step S2 again.

Alternatively, if judging k ≠ j, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side on summit C_{R, i}C_{R, i+1}With the presence or absence of intersection point J3；

If the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}Intersection point J3 be present, then according to J3 pairs of the intersection point calculated Whether the trichromatic coordinates answered judges the intersection point J3 in line segment C_{J, i}On S extended line, if the intersection point J3 is in line segment C_{J, i}S's On extended line, it is determined that the color dot S is the intersection point J3, sets k=r, and performs step S2 again, if the intersection point J3 exists Line segment C_{J, i}On S, then calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Friendship Point J4, the color dot S are the intersection point J4, set j=r, and perform step S2 again；

If the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then judge with point C_{K, i}For the side on summit C_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J4, if the intersection point J4 be present, calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, the color dot S be the intersection point J4, j=r is set, and performs step S2 again；

If the intersection point J4 is not present, it is determined that the color dot S is the point C_{R, i}, j=r, k=j are set, and are held again Row step S2.

A kind of device for obtaining display screen maximum common color gamut provided in an embodiment of the present invention, including：

Taxon, for determining the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to all All color dots in the colour gamut carry out the primary colours classification of adjacent color；

Gamut determination unit, for classifying to belonging to the same primary colours, and it is not belonging to all in the same colour gamut The color dot is determined；

Public color dot determining unit, determine to meet without departing from each described for the chromaticity coordinates according to corresponding to the color dot The public color dot of the condition of colour gamut, chromaticity coordinates corresponding to the public color dot are the border chromaticity coordinates of at least one colour gamut；

Maximum common color gamut determining unit, determined for the chromaticity coordinates according to corresponding to all public color dots maximum Common color gamut.

Alternatively, public color dot determining unit, specifically for being traveled through successively to primary colours classification, to current traversal Primary colours classification in the chromaticity coordinates of all color dots carry out condition judgment successively, if there are satisfaction without departing from each One color dot of the condition of the colour gamut, then the color dot is a public color dot, and to next described Primary colours classification is traveled through, and until all primary colours classification and its corresponding color dot traversal completion, is determined all described Public color dot.

Alternatively, public color dot determining unit specifically includes：

Default subelement, for being j=1, k=j, color dot S=C by default settings_{J, i}, the j and the k are described Colour gamut variate-value corresponding to color dot, the i are primary colours classification value, the C_{J, i}For the i-th primary colours classification color dot of colour gamut described in jth；

First judgment sub-unit, for making color gamut value r=1 corresponding to the color dot, carry out whether r is not equal to j, and In k judgement, if so, then triggering the second judgment sub-unit；

Second judgment sub-unit, it is made whether not surpass for chromaticity coordinates corresponding to the color dot S to currently traveling through Go out triangle C corresponding to colour gamut described in r_r,i+1C_r,iC_r,i-1Judgement, if the color dot S is corresponding to the colour gamut described in r Triangle C_r,i+1C_r,iC_r,i-1, then preset colour gamut side intersection point judgment sub-unit is triggered, if the color dot S is without departing from color described in r Triangle C corresponding to domain_r,i+1C_r,iC_r,i-1, then the 3rd judgment sub-unit is triggered；

3rd judgment sub-unit, it is made whether not surpass for chromaticity coordinates corresponding to the color dot S to currently traveling through Go out triangle C corresponding to colour gamut described in r+1_r+1,i+1C_r+1,iC_r+1,i-1Judgement, if the color dot S currently traveled through is beyond the Triangle C corresponding to colour gamut described in r+1_r+1,i+1C_r+1,iC_r+1,i-1, then the preset colour gamut side intersection point judgment sub-unit is triggered, directly Completed to the traversing triangle corresponding to all colour gamuts, and the color dot S currently traveled through is without departing from color described in r+1 Triangle C corresponding to domain_r+1,i+1C_r+1,iC_r+1,i-1, then the color dot S currently traveled through is a public color dot.

Alternatively, preset colour gamut side intersection point judgment sub-unit specifically includes：

First judge module, for judging whether k is equal to j, if k=j, the second judge module is triggered, if k ≠ j, is touched Send out the 3rd judge module；

Second judge module, for judging with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side on summit C_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 Or intersection point J2, if the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}The intersection point J1 be present, then trigger the first determining module, if The side C_{J, i}C_{J, i+1}With the side C_{R, i}C_{R, i-1}Intersection point J2 be present, then trigger the second determining module, if the side C_{J, i}C_{J, i-1}With The side C_{R, i}C_{R, i+1}And the side C_{J, i}C_{J, i+1}With the side C_{R, i}C_{R, i-1}Intersection point is not present, then triggers the 3rd and determines mould Block；

First determining module, for determining that color dot S is the intersection point J1, and calculate corresponding to the intersection point J1 One chromaticity coordinates, k=r is set, and triggers first judgment sub-unit；

Second determining module, for determining that color dot S is the intersection point J2, and calculate corresponding to the intersection point J2 Two chromaticity coordinates, k=j, j=r are set, and trigger first judgment sub-unit；

3rd determining module, for determining the color dot S=C_{R, i}, j=r, k=j are set, and trigger described first Judgment sub-unit.

Alternatively, the 3rd judge module, specifically for judging with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For top The side C of point_{R, i}C _{R, i+1}With the presence or absence of intersection point J3, if the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}Intersection point J3 be present, then trigger 4th judge module, if the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then the 5th judge module is triggered；

4th judge module, judge the friendship for the trichromatic coordinates according to corresponding to the intersection point J3 calculated Whether point J3 is in line segment C_{J, i}On S extended line, if the intersection point J3 is in line segment C_{J, i}On S extended line, then trigger the 4th and determine Module, if the intersection point J3 is in line segment C_{J, i}On S, then calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For summit Side C_{R, i}C_{R, i-1}Intersection point J4, the color dot S be the intersection point J4, j=r is set, and triggers first judgment sub-unit；

4th determining module, for determining that the color dot S is the intersection point J3, k=r is set, and triggers described the One judgment sub-unit；

5th judge module, for judging with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side on summit C_{R, i}C_{R, i-1}With the presence or absence of intersection point J4, if the intersection point J4 be present, calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, the color dot S be the intersection point J4, j=r is set, and described first is triggered and sentences Disconnected subelement, if the intersection point J4 is not present, it is determined that the color dot S is the point C_{R, i}, j=r, k=j are set, and trigger institute State the first judgment sub-unit.

As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：

A kind of method and device for obtaining display screen maximum common color gamut provided in an embodiment of the present invention, wherein, obtain aobvious The method of display screen maximum common color gamut includes：The number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color The primary colours that all color dots in all colour gamuts are carried out with adjacent color are classified；To belonging to same primary colours classification, and it is not belonging to same All color dots in colour gamut are determined；Chromaticity coordinates determines to meet without departing from the condition in each colour gamut according to corresponding to color dot Public color dot, chromaticity coordinates corresponding to public color dot are the border chromaticity coordinates of at least one colour gamut；It is corresponding according to all public color dots Chromaticity coordinates determine maximum common color gamut.It is coloured to the institute in all colour gamuts according to each color by elder generation in the present embodiment Point carries out the primary colours classification of adjacent color, then will belong to same primary colours classification, and is not belonging to all color dots in same colour gamut and enters The determination of a plurality of colour gamuts of row, then chromaticity coordinates determination meets the public affairs without departing from the condition in each colour gamut according to corresponding to color dot Color dot is total to, finally the chromaticity coordinates according to corresponding to all public color dots determines maximum common color gamut, realizes the display screen of multiple bases Maximum common color gamut is asked for, and so as to improve the display consistency of display screen, further increases display screen actual displayed effect.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.

Fig. 1 is a kind of one embodiment of the method for the acquisition display screen maximum common color gamut provided in the embodiment of the present invention Schematic flow sheet；

Fig. 2 is a kind of another implementation of the method for the acquisition display screen maximum common color gamut provided in the embodiment of the present invention The schematic flow sheet of example；

Fig. 3 is a kind of another implementation of the method for the acquisition display screen maximum common color gamut provided in the embodiment of the present invention The schematic flow sheet of example；

Fig. 4 is a kind of one embodiment of the device of the acquisition display screen maximum common color gamut provided in the embodiment of the present invention Structural representation；

Fig. 5 is a kind of another implementation of the device of the acquisition display screen maximum common color gamut provided in the embodiment of the present invention The structural representation of example；

Fig. 6 is primary colours classification schematic diagram；

Fig. 7 is the schematic diagram of Fig. 3 application examples；

Fig. 8 is a schematic diagram of Fig. 7 maximum common color gamut；

Fig. 9 is the final schematic diagram of Fig. 8 maximum common color gamut.

Embodiment

The embodiments of the invention provide a kind of method and device for obtaining display screen maximum common color gamut, for realizing more bases The maximum common color gamut of the display screen of color is asked for, so as to improve the display consistency of display screen.To cause the invention mesh of the present invention , feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, the present invention is implemented Technical scheme in example is clearly and completely described, it is clear that the embodiments described below are only that a present invention part is real Apply example, and not all embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creativeness The all other embodiment obtained under the premise of work, belongs to the scope of protection of the invention.

Referring to Fig. 1, one of a kind of method of the acquisition display screen maximum common color gamut provided in the embodiment of the present invention Embodiment includes：

101st, the number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color to the institute in all colour gamuts Coloured point carries out the primary colours classification of adjacent color；

In the present embodiment, it is necessary to ask the public of maximum by a step before the colour consistency regulation of display screen Colour gamut, when seeking maximum common color gamut, it is necessary first to the number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each face The primary colours that color carries out adjacent color to all color dots in all colour gamuts are classified.

Such as shown in Fig. 6, there are m different colour gamuts, be designated as N respectively₁, N₂... N_m.Colour gamut N₁N primary colours be designated as respectively C₁₁, C₁₂... C_1n.Colour gamut N₂N primary colours be designated as C respectively₂₁, C₂₂... C_2n.Colour gamut N_mN primary colours be designated as C respectively_m1, C_m2... C_mn.Then primary colours classification C₁={ C₁₁, C₂₁... C_m1, primary colours classification C₂={ C₁₂, C₂₂... C_m2, by that analogy, primary colours point Class C_n={ C_1n, C_2n... C_mn}.Wherein, the color that the primary colours in each primary colours classification include is close, such as during n=3, base Colour sorting C₁={ C₁₁, C₂₁... C_m1All it is to belong to the adjacent colors of red primaries, primary colours classification C₂={ C₁₂, C₂₂... C_m2All be Belong to the adjacent color of green primary, primary colours classification C₃={ C₁₃, C₂₃... C_m3All it is the adjacent color for belonging to blue primary color, because such as Fruit has that the color of a primary colours classification is present and differs bigger, and the maximum common color gamut meaning so obtained is with regard to little .Such as C₂Interior C₁₂, C₂₂It is green, and C₃₂It is then yellow, such color difference is bigger.

102nd, classify to belonging to same primary colours, and be not belonging to all color dots in same colour gamut and be determined；

When it is determined that the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to all in all colour gamuts , it is necessary to classify to belonging to same primary colours after the primary colours classification of color dot progress adjacent color, and it is not belonging to the institute in same colour gamut Coloured point is determined, such as the C in Fig. 6₁₁Point, C₁₂Point, C₁₃Point is connected as a colour gamut, C₂₁Point, C₂₂Point, C₂₃Point is connected as Another colour gamut, C₃₁Point, C₃₂Point, C₃₃Point is connected as another colour gamut.

103rd, the chromaticity coordinates according to corresponding to color dot determines to meet the public color dot without departing from the condition in each colour gamut；

Classify when same primary colours will be belonged to, and be not belonging to the determination that all color dots in same colour gamut carry out a plurality of colour gamuts Afterwards, it is necessary to which the chromaticity coordinates according to corresponding to color dot determines to meet the public color dot without departing from the condition in each colour gamut, public color Chromaticity coordinates corresponding to point is the border chromaticity coordinates of at least one colour gamut.

104th, the chromaticity coordinates according to corresponding to all public color dots determines maximum common color gamut.

After chromaticity coordinates determines to meet without departing from the public color dot of the condition of each colour gamut according to corresponding to color dot, need Will the chromaticity coordinates according to corresponding to all public color dots determine maximum common color gamut.

It should be noted that it is maximum public on chromatic diagram by the adjacent polygon formed that connects of all public color dots Colour gamut.

In the present embodiment, according to each color all color dots in all colour gamuts are carried out with the base of adjacent color by elder generation Colour sorting, then classify to belonging to same primary colours, and be not belonging to all color dots in same colour gamut and be determined, then according to color dot Corresponding chromaticity coordinates determines to meet the public color dot without departing from the condition in each colour gamut, finally corresponding according to all public color dots Chromaticity coordinates determine maximum common color gamut, it is aobvious so as to improve for realizing that the maximum common color gamut of display screen of multiple bases is asked for The display consistency of display screen, further increase display screen actual displayed effect.

The above is that the method for obtaining display screen maximum common color gamut is described in detail, below will be to according to color dot pair The chromaticity coordinates answered determines to meet that the process without departing from the public color dot of the condition in each colour gamut is described in detail, and refers to Fig. 2, a kind of another embodiment of the method for the acquisition display screen maximum common color gamut provided in the embodiment of the present invention include：

201st, the number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color to the institute in all colour gamuts Coloured point carries out the primary colours classification of adjacent color；

In the present embodiment, it is necessary to seek maximum colour gamut by a step before the colour consistency regulation of display screen, When seeking maximum common color gamut, it is necessary first to the number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color pair All color dots in all colour gamuts carry out the primary colours classification of adjacent color.

Such as shown in Fig. 6, there are m different colour gamuts, be designated as N respectively₁, N₂... N_m.Colour gamut N₁N primary colours be designated as respectively C₁₁, C₁₂... C_1n.Colour gamut N₂N primary colours be designated as C respectively₂₁, C₂₂... C_2n.Colour gamut N_mN primary colours be designated as C respectively_m1, C_m2... C_mn.Then primary colours classification C₁={ C₁₁, C₂₁... C_m1, primary colours classification C₂={ C₁₂, C₂₂... C_m2, by that analogy, primary colours point Class C_n={ C_1n, C_2n... C_mn}.Wherein, the color that the primary colours in each primary colours classification include is close, such as during n=3, base Colour sorting C₁={ C₁₁, C₂₁... C_m1All it is to belong to the adjacent colors of red primaries, primary colours classification C₂={ C₁₂, C₂₂... C_m2All be Belong to the adjacent color of green primary, primary colours classification C₃={ C₁₃, C₂₃... C_m3All it is the adjacent color for belonging to blue primary color, because such as Fruit has that the color of a primary colours classification is present and differs bigger, and the maximum common color gamut meaning so obtained is with regard to little .Such as C₂Interior C₁₂, C₂₂It is green, and C₃₂It is then yellow, such color difference is bigger.

202nd, classify to belonging to same primary colours, and be not belonging to all color dots in same colour gamut and be determined；

When it is determined that the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to all in all colour gamuts , it is necessary to classify to belonging to same primary colours after the primary colours classification of color dot progress adjacent color, and it is not belonging to the institute in same colour gamut Coloured point is determined, such as the C in Fig. 6₁₁Point, C₁₂Point, C₁₃Point is connected as a colour gamut, C₂₁Point, C₂₂Point, C₂₃Point is connected as Another colour gamut, C₃₁Point, C₃₂Point, C₃₃Point is connected as another colour gamut.

203rd, successively to primary colours classification travel through, to currently travel through primary colours classification in all color dots chromaticity coordinates according to Secondary carry out condition judgment, if there are a color dot for meeting the condition without departing from each colour gamut, perform step 204；

Classify when same primary colours will be belonged to, and be not belonging to the determination that all color dots in same colour gamut carry out a plurality of colour gamuts Afterwards, it is necessary to be traveled through successively to primary colours classification, the chromaticity coordinates of all color dots in classifying to the primary colours currently traveled through is successively Condition judgment is carried out, if there are a color dot for meeting the condition without departing from each colour gamut, performs step 204.

204th, color dot is a public color dot, and to next primary colours classification travel through, until all primary colours classification and Its corresponding color dot traversal is completed, and determines all public color dots；

When being traveled through successively to primary colours classification, the chromaticity coordinates of all color dots in classifying to the primary colours currently traveled through is successively It is that there are a color dot for meeting the condition without departing from each colour gamut to carry out condition judgment, then color dot is a public color dot, And the classification of next primary colours is traveled through, step 203 is repeated, until the classification of all primary colours and its corresponding color dot traversal Complete, determine all public color dots.

205th, the chromaticity coordinates according to corresponding to all public color dots determines maximum common color gamut.

When the classification of all primary colours and its traversal completion of corresponding color dot, it is determined that all public affairs of the condition without departing from each colour gamut Altogether, it is necessary to which the chromaticity coordinates according to corresponding to all public color dots determines maximum common color gamut after color dot.

It should be noted that it is maximum public on chromatic diagram by the adjacent polygon formed that connects of all public color dots Colour gamut.

In the present embodiment, according to each color all color dots in all colour gamuts are carried out with the base of adjacent color by elder generation Colour sorting, then same primary colours classification will be belonged to, and the determination that all color dots in same colour gamut carry out a plurality of colour gamuts is not belonging to, Then the chromaticity coordinates according to corresponding to color dot determines to meet the public color dot without departing from the condition in each colour gamut, last according to all Chromaticity coordinates corresponding to public color dot determines maximum common color gamut, for realizing that the maximum common color gamut of display screen of multiple bases is asked Take, so as to improve the display consistency of display screen, further increase display screen actual displayed effect, and in units of colour gamut The color dot in each primary colours classification is traveled through successively, it is determined that meeting a color dot of the condition without departing from each colour gamut, just efficiently Color dot during exhaustively multiple bases are classified determines whether the beneficial effect for meeting condition.

In the present embodiment, according to each color all color dots in all colour gamuts are carried out with the base of adjacent color by elder generation Colour sorting, then classify to belonging to same primary colours, and be not belonging to all color dots in same colour gamut and be determined, then according to color dot Corresponding chromaticity coordinates determines to meet the public color dot without departing from the condition in each colour gamut, finally corresponding according to all public color dots Chromaticity coordinates determine maximum common color gamut, just realize and ask for the display screen of multiple bases being carried out to maximum common color gamut asking for, Further increase display screen actual displayed effect.

Determine to meet the public color dot without departing from the condition in each colour gamut to the chromaticity coordinates according to corresponding to color dot above Process is described in detail, and will a plurality of colour gamuts be intersected with complicated situation below, and the color dot and intersection point in primary colours classification are It is no to meet that the process without departing from the public color dot of the condition in each colour gamut is described in detail, referring to Fig. 3, the present invention is real Applying a kind of another embodiment of the method for the acquisition display screen maximum common color gamut provided in example includes：

301st, the number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color to the institute in all colour gamuts Coloured point carries out the primary colours classification of adjacent color；

In the present embodiment, it is necessary to seek maximum colour gamut by a step before the colour consistency regulation of display screen, When seeking maximum common color gamut, it is necessary first to the number of colors of the primary colours in a plurality of colour gamuts is determined, and according to each color pair All color dots in all colour gamuts carry out the primary colours classification of adjacent color.

Such as shown in Fig. 6, there are m different colour gamuts, be designated as N respectively₁, N₂... N_m.Colour gamut N₁N primary colours be designated as respectively C₁₁, C₁₂... C_1n.Colour gamut N₂N primary colours be designated as C respectively₂₁, C₂₂... C_2n.Colour gamut N_mN primary colours be designated as C respectively_m1, C_m2... C_mn.Then primary colours classification C₁={ C₁₁, C₂₁... C_m1, primary colours classification C₂={ C₁₂, C₂₂... C_m2, by that analogy, primary colours point Class C_n={ C_1n, C_2n... C_mn}.Wherein, the color that the primary colours in each primary colours classification include is close, such as during n=3, base Colour sorting C₁={ C₁₁, C₂₁... C_m1All it is to belong to the adjacent colors of red primaries, primary colours classification C₂={ C₁₂, C₂₂... C_m2All be Belong to the adjacent color of green primary, primary colours classification C₃={ C₁₃, C₂₃... C_m3All it is the adjacent color for belonging to blue primary color, because such as Fruit has that the color of a primary colours classification is present and differs bigger, and the maximum common color gamut meaning so obtained is with regard to little .Such as C₂Interior C₁₂, C₂₂It is green, and C₃₂It is then yellow, such color difference is bigger.

302nd, classify to belonging to same primary colours, and be not belonging to all color dots in same colour gamut and be determined；

When it is determined that the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to all in all colour gamuts Color dot classify after the primary colours classification of adjacent color, it is necessary to will belong to same primary colours, and is not belonging to the institute in same colour gamut Coloured point carries out the determination of a plurality of colour gamuts, such as the C in Fig. 6₁₁Point, C₁₂Point, C₁₃Point is connected as a colour gamut, C₂₁Point, C₂₂ Point, C₂₃Point is connected as another colour gamut, C₃₁Point, C₃₂Point, C₃₃Point is connected as another colour gamut.

303rd, it is j=1, k=j, color dot S=C by default settings_{J, i}；

Classify when same primary colours will be belonged to, and be not belonging to the determination that all color dots in same colour gamut carry out a plurality of colour gamuts Afterwards, it is necessary to be j=1, k=j, color dot S=C by default settings_{J, i}, j and k are colour gamut variate-value corresponding to color dot, and i is base Colour sorting value, C_{J, i}Classify color dot for the i-th primary colours of jth colour gamut, such as all colour gamuts all depicted on a chromaticity diagram, N discrete clusters are then can be appreciated that, and the side between colour gamut may have intersection point, as shown in Figure 6.

304th, color gamut value r=1 corresponding to the color dot is made, carries out whether r is not equal to j, and the judgement not equal to k, if so, Then perform step 305；

When being j=1, k=j, color dot S=C by default settings_{J, i}Afterwards, it is necessary to color gamut value r=1 corresponding to assumed appearance point, Carry out whether r is not equal to j, and the judgement not equal to k, if so, then performing step 305.

305th, chromaticity coordinates corresponding to the color dot S that currently travels through is made whether without departing from triangle corresponding to r colour gamuts C_r,i+1C_r,iC_r,i-1Judgement, if color dot S exceeds triangle C corresponding to r colour gamuts_r,i+1C_r,iC_r,i-1, then step 307 is performed, if Color dot S is without departing from triangle C corresponding to r colour gamuts_r,i+1C_r,iC_r,i-1, then step 306 is performed；

Be not equal to j when each color dot S carries out r, and be not equal to k, then to chromaticity coordinates progress corresponding to the color dot S that currently travels through Whether without departing from triangle C corresponding to r colour gamuts_r,i+1C_r,iC_r,i-1Judgement, if color dot S exceeds triangle corresponding to r colour gamuts Shape C_r,i+1C_r,iC_r,i-1, then step 307 is performed, if color dot S is without departing from triangle C corresponding to r colour gamuts_r,i+1C_r,iC_r,i-1, then hold Row step 306.

306th, chromaticity coordinates corresponding to the color dot S that currently travels through is made whether without departing from triangle corresponding to r+1 colour gamuts C_r+1,i+1C_r+1,iC_r+1,i-1Judgement, if the color dot S currently traveled through exceeds triangle C corresponding to r+1 colour gamuts_r+1,i+1C_{r+1, i}C_r+1,i-1, then perform step 307, until corresponding to all colour gamuts traversing triangle complete, and the color dot S currently traveled through without departing from Triangle C corresponding to r+1 colour gamuts_r+1,i+1C_r+1,iC_r+1,i-1, then the color dot S currently traveled through is a public color dot；

When judging color dot S without departing from triangle C corresponding to r colour gamuts in step 305_r,i+1C_r,iC_r,i-1, then to current time Chromaticity coordinates corresponding to the color dot S gone through is made whether without departing from triangle C corresponding to r+1 colour gamuts_r+1,i+1C_r+1,iC_r+1,i-1Sentence It is disconnected, if the color dot S currently traveled through exceeds triangle C corresponding to r+1 colour gamuts_r+1,i+1C_r+1,iC_r+1,i-1, then step 307 is performed, Until traversing triangle completion corresponding to all colour gamuts, and the color dot S currently traveled through is without departing from triangle corresponding to r+1 colour gamuts C_r+1,i+1C_r+1,iC_r+1,i-1, then the color dot S currently traveled through is a public color dot.

307th, judge whether k is equal to j, if k=j, perform step 308, if judging k ≠ j, perform step 312；

When the color dot S for judging color dot S in step 305 in r colour gamuts or step 306 and judging currently to travel through is beyond the R+1 colour gamuts, then judge whether k is equal to j, if k=j, performs step 308, if judging k ≠ j, performs step 312.

308th, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 or intersection point J2, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J1 be present, then step 309 is performed, if side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Intersection point J2 be present, then Step 310 is performed, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}And side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Intersection point is not present, then holds Row step 311；

, it is necessary to judge with point C after k=j is judged_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 or Intersection point J2, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J1 be present, then step 309 is performed, if side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1} Intersection point J2 be present, then step 310 is performed, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}And side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Not Intersection point be present, then perform step 311.

309th, it is intersection point J1 to determine color dot S, and calculates the first chromaticity coordinates corresponding to intersection point J1, sets k=r, and again Perform step 304；

If side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J1 be present, it is determined that color dot S is intersection point J1, and calculates intersection point J1 Corresponding first chromaticity coordinates, k=r is set, and performs step 304 again.

310th, it is intersection point J2 to determine color dot S, calculates the second chromaticity coordinates corresponding to intersection point J2, sets k=j, j=r, and again Secondary execution step 304；

If side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Intersection point J2 be present, it is determined that color dot S is intersection point J2, calculates J2 pairs of intersection point The second chromaticity coordinates answered, k=j, j=r are set, and perform step 304 again.

311st, it is defined as color dot S=C_{R, i}, j=r, k=j are set, and perform step 304 again；

If side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}And side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Intersection point is not present, it is determined that be Color dot S=C_{R, i}, k=j, j=r are set, and perform step 304 again.

312nd, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C _{R, i+1}It whether there is Intersection point J3, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J3 be present, then step 313 is performed, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1} In the absence of intersection point J3, then step 314 is performed；

If judging k ≠ j, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C _{R, i+1} With the presence or absence of intersection point J3, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J3 be present, then step 313 is performed, if side C_{J, i}C_{J, i-1}With Side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then step 314 is performed.

313rd, whether the trichromatic coordinates according to corresponding to the intersection point J3 calculated judges intersection point J3 in line segment C_{J, i}S extension On line, if intersection point J3 is in line segment C_{J, i}On S extended line, then step 315 is performed, if intersection point J3 is in line segment C_{J, i}On S, then step is performed Rapid 316；

If side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J3 be present, then the 3rd color is sat according to corresponding to the intersection point J3 calculated Whether mark judges intersection point J3 in line segment C_{J, i}On S extended line, if intersection point J3 is in line segment C_{J, i}On S extended line, then step is performed 315, if intersection point J3 is in line segment C_{J, i}On S, then step 316 is performed；

314th, judge with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of friendship Point J4, if intersection point J4 be present, step 316 is performed, if intersection point J4 is not present, it is determined that color dot S is point C_{R, i}, j=r, k are set =j, and step 304 is performed again；

If side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then judge with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With With point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J4, if intersection point J4 be present, step 316 is performed, if in the absence of friendship Point J4, it is determined that color dot S is point C_{R, i}, j=r, k=j are set, and perform step 304 again.

315th, it is intersection point J3 to determine color dot S, sets k=r, and perform step 304 again；

If intersection point J3 is in line segment C_{J, i}On S extended line, it is determined that color dot S is intersection point J3, sets k=r, and perform again Step 304.

316th, calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i-1}Intersection point J4, color dot S is intersection point J4, sets j=r, and perform step 304 again；

If intersection point J3 is in line segment C_{J, i}On S, then calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For summit Side C_{R, i}C_{R, i-1}Intersection point J4, color dot S is intersection point J4, set j=r, and again perform step 304.

317th, the chromaticity coordinates according to corresponding to all public color dots determines maximum common color gamut.

When it is determined that without departing from the condition of each colour gamut all public color dots after, it is necessary to corresponding according to all public color dots Chromaticity coordinates determine maximum common color gamut.

It should be noted that it is maximum public on chromatic diagram by the adjacent polygon formed that connects of all public color dots Colour gamut.

In the present embodiment, according to each color all color dots in all colour gamuts are carried out with the base of adjacent color by elder generation Colour sorting, then classify to belonging to same primary colours, and be not belonging to all color dots in same colour gamut and be determined, then according to color dot Corresponding chromaticity coordinates determines to meet the public color dot without departing from the condition in each colour gamut, finally corresponding according to all public color dots Chromaticity coordinates determine maximum common color gamut, it is aobvious so as to improve for realizing that the maximum common color gamut of display screen of multiple bases is asked for The display consistency of display screen, display screen actual displayed effect is further increased, and traversal is each successively in units of colour gamut Color dot in primary colours classification, just efficiently exhaustively will be more it is determined that meeting a color dot of the condition without departing from each colour gamut Color dot in primary colours classification determines whether the beneficial effect for meeting condition, while the intersection point of complicated a plurality of colour gamuts is also The no judgement for meeting the condition without departing from each colour gamut, further increases the accuracy that maximum common color gamut is asked for.

In order to make it easy to understand, embodiment illustrated in fig. 3 is described in detail with a concrete application scene below, Fig. 7 institutes Show, application examples includes：

If the summit of colour gamut is Ci, i=1,2,3 ... n, color and primary colours point set C_iPlace color is corresponding.Seeking colour gamut is then The summit of all colour gamuts is obtained to come.

The step of seeking the summit Ci of colour gamut：

1.j=1, k=j, point S=C_j,i。

2. traveling through r (r=1,2 ... m, r ≠ j and r ≠ k), judge S whether in all triangle C_r,i+1C_r,iC_r,i-1Interior (or On person).S is such as run into some triangle C_r,i+1C_r,iC_r,i-1Outside, then step 3 is carried out.As S all in all triangles (or On), then S is the summit Ci of common color gamut, terminates flow.

3. if k=j, judges side C_jiC_j,i+1With side C_r,iC_r,i-1Or side C_jiC_j,i-1With side C_r,iC_r,i+1With the presence or absence of friendship Point.If there is no intersection point, then point S=C is made_r,i, j=r, k=j, return to step 2.If there is intersection point, intersection point J is obtained, Make S=J.If J is side C_jiC_j,i-1With side C_r,iC_r,i+1Intersection point, then k=r.If J is side C_jiC_j,i+1With side C_r,iC_r,i-1's Intersection point, then k=j, j=r.Return to step 2.If k ≠ j, side C is judged_jiC_j,i-1With side C_r,iC_r,i+1With the presence or absence of intersection point.If In the presence of obtaining intersection point J, judge intersection point J whether in line segment C_jiOn S extended line.If intersection point is in line segment C_jiOn S extended line, Make S=J, k=r, return to step 2.If intersection point is in line segment C_jiOn S, then C_kiC_k,i+1With side C_r,iC_r,i-1Intersection point J obtain, Make S=J, j=r, return to step 2.If it does not, judge side C_kiC_k,i+1With side C_r,iC_r,i-1With the presence or absence of intersection point.If deposit Intersection point J is being obtained, is making S=J, j=r, return to step 2.If it does not exist, then intersection point is all not present, order point S=C_r,i, j= R, k=j, return to step 2.

Finally, the summit of all n colour gamuts is obtained then to obtain the maximum colour gamut of m different colour gamuts.

By the process shown in Fig. 7, it is expanded on further with an example：

Colour gamut N₁Data such as table 1：

	x	y
			C11	0.68	0.31
C12	0.475	0.501
			C13	0.16	0.7
C14	0.085	0.35
			C15	0.132	0.055

Table 1

Colour gamut N₂Data such as table 2：

	x	y
			C21	0.687	0.29
C22	0.472	0.512
			C23	0.15	0.68
C24	0.097	0.37
			C25	0.122	0.076

Table 2

Colour gamut N₃Data such as table 3：

	x	y
			C31	0.691	0.275
C32	0.522	0.465
			C33	0.168	0.68
C34	0.082	0.41
			C35	0.142	0.074

Table 3

Such as Fig. 8 (colour gamut N are represented in chromatic diagram₁Represented with circle, colour gamut N₂Represented with square, colour gamut N₃Use triangle table Show), including 5 primary colours classification.

By taking the summit C3 of colour gamut as an example, its solution path is：C₁₃->J1->J2。

The solution of other gamut vertices is consistent with C3, and it is as shown in table 4 that final solution obtains gamut vertices chromaticity coordinates：

	x	y
			C1	0.666	0.303
C2	0.498	0.48
			C3	0.165	0.672
C4	0.097	0.37
			C5	0.14	0.083

2 tables 4

All summits of colour gamut are obtained and connected, maximum common color gamut is as shown in Fig. 9 dotted lines.

Referring to Fig. 4, one of a kind of device of the acquisition display screen maximum common color gamut provided in the embodiment of the present invention Embodiment includes：

Taxon 401, for determining the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to institute There is the primary colours classification that all color dots in colour gamut carry out adjacent color；

Gamut determination unit 402, for classifying to belonging to same primary colours, and it is not belonging to all color dots in same colour gamut and enters Row determines；

Public color dot determining unit 403, determine to meet without departing from each colour gamut for the chromaticity coordinates according to corresponding to color dot Condition public color dot, chromaticity coordinates corresponding to public color dot be at least one colour gamut border chromaticity coordinates；

Maximum common color gamut determining unit 404, determined for the chromaticity coordinates according to corresponding to all public color dots maximum public Colour gamut.

In the present embodiment, first all color dots in all colour gamuts are carried out according to each color by taxon 401 The primary colours classification of adjacent color, gamut determination unit 402 is classified to belonging to same primary colours again, and is not belonging to the institute in same colour gamut Coloured point is determined, and then public color dot determining unit 403 chromaticity coordinates according to corresponding to color dot determines to meet without departing from every The public color dot of the condition of individual colour gamut, last maximum common color gamut determining unit 404 color according to corresponding to all public color dots are sat Mark determines maximum common color gamut, is just used to realize that the maximum common color gamut of the display screen of multiple bases is asked for, so as to improve display screen Display consistency, further increase display screen actual displayed effect.

The above is that each unit for obtaining the device of display screen maximum common color gamut is described in detail, below by antithetical phrase Unit is described in detail, referring to Fig. 5, a kind of acquisition display screen maximum common color gamut provided in the embodiment of the present invention One embodiment of device includes：

Taxon 501, for determining the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to institute There is the primary colours classification that all color dots in colour gamut carry out adjacent color；

Gamut determination unit 502, for classifying to belonging to same primary colours, and it is not belonging to all color dots in same colour gamut and enters Row determines；

Public color dot determining unit 503, determine to meet without departing from each colour gamut for the chromaticity coordinates according to corresponding to color dot Condition public color dot, chromaticity coordinates corresponding to public color dot is the border chromaticity coordinates of at least one colour gamut, and public color dot determines Unit 503, specifically for being traveled through successively to primary colours classification, the color of all color dots in classifying to the primary colours currently traveled through is sat Mark carries out condition judgment successively, if there are a color dot for meeting the condition without departing from each colour gamut, color dot is a public affairs Color dot altogether, and the classification of next primary colours is traveled through, until the classification of all primary colours and its traversal completion of corresponding color dot, it is determined that All public color dots.

Public color dot determining unit 503 specifically includes：

Default subelement 5031, for being j=1, k=j, color dot S=C by default settings_{J, i}, j and k are corresponding for color dot Colour gamut variate-value, i is primary colours classification value, C_{J, i}For the i-th primary colours classification color dot of jth colour gamut；

First judgment sub-unit 5032, for color gamut value r=1 corresponding to assumed appearance point, carry out whether r is not equal to j, and In k judgement, if so, then triggering the second judgment sub-unit 5033；

Second judgment sub-unit 5033, it is made whether for chromaticity coordinates corresponding to the color dot S to currently traveling through without departing from r Triangle C corresponding to colour gamut_r,i+1C_r,iC_r,i-1Judgement, if color dot S exceeds triangle C corresponding to r colour gamuts_r,i+1C_r,iC_r,i-1, Preset colour gamut side intersection point judgment sub-unit 5035 is then triggered, if color dot S is without departing from triangle C corresponding to r colour gamuts_r,i+1C_{r, i}C_r,i-1, then the 3rd judgment sub-unit 5034 is triggered；

3rd judgment sub-unit 5034, it is made whether for chromaticity coordinates corresponding to the color dot S to currently traveling through without departing from r Triangle C corresponding to+1 colour gamut_r+1,i+1C_r+1,iC_r+1,i-1Judgement, if the color dot S currently traveled through is corresponding to the r+1 colour gamuts Triangle C_r+1,i+1C_r+1,iC_r+1,i-1, then preset colour gamut side intersection point judgment sub-unit 5035 is triggered, until corresponding to all colour gamuts Traversing triangle is completed, and the color dot S currently traveled through is without departing from triangle C corresponding to r+1 colour gamuts_r+1,i+1C_r+1,iC_r+1,i-1, The color dot S then currently traveled through is a public color dot.

Preset colour gamut side intersection point judgment sub-unit 5035 specifically includes：

First judge module 5035a, for judging whether k is equal to j, if k=j, the second judge module 5035b is triggered, If k ≠ j, the 3rd judge module 5035c is triggered；

Second judge module 5035b, for judging with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side on summit C_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 Or intersection point J2, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J1 be present, then trigger the first determining module 5035d, if side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Intersection point J2 be present, then trigger the second determining module 5035e, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}With And side C_{J, i}C_{J, i+1}With side C_{R, i}C_{R, i-1}Intersection point is not present, then triggers the 3rd determining module 5035f；

3rd judge module 5035c, specifically for judging with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For summit Side C_{R, i}C_{R, i+1}With the presence or absence of intersection point J3, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}Intersection point J3 be present, then trigger the 4th and judge mould Block 5035g, if side C_{J, i}C_{J, i-1}With side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then the 5th judge module 5035h is triggered；

First determining module 5035d, for determining that color dot S is intersection point J1, and calculate the first color corresponding to intersection point J1 and sit Mark, k=r is set, and triggers the first judgment sub-unit 5032；

Second determining module 5035e, for determining that color dot S is intersection point J2, and calculate the second color corresponding to intersection point J2 and sit Mark, k=j, j=r are set, and trigger the first judgment sub-unit 5032；

3rd determining module 5035f, for being defined as color dot S=C_{R, i}, k=j, j=r are set, and are triggered first and judged son Unit 5032.

4th judge module 5035g, judge that intersection point J3 is for the trichromatic coordinates according to corresponding to the intersection point J3 calculated It is no in line segment C_{J, i}On S extended line, if intersection point J3 is in line segment C_{J, i}On S extended line, then the 4th determining module 5035i is triggered, If intersection point J3 is in line segment C_{J, i}On S, then calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, color dot S is intersection point J4, set j=r, and trigger the first judgment sub-unit 5032；

4th determining module 5035i, it is intersection point J3 to determine the color dot S, sets k=r, and trigger the first judgment sub-unit 5032；

5th judge module 5035h, for judging with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side on summit C_{R, i}C_{R, i-1}With the presence or absence of intersection point J4, if intersection point J4 be present, calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For The side C on summit_{R, i}C_{R, i-1}Intersection point J4, color dot S is intersection point J4, set j=r, and trigger the first judgment sub-unit 5032, if not Intersection point J4 be present, it is determined that color dot S is point C_{R, i}, j=r, k=j are set, and trigger the first judgment sub-unit 5032.

Maximum common color gamut determining unit 504, determined for the chromaticity coordinates according to corresponding to all public color dots maximum public Colour gamut.

In the present embodiment, first all color dots in all colour gamuts are carried out according to each color by taxon 501 The primary colours classification of adjacent color, gamut determination unit 502 is classified to belonging to same primary colours again, and is not belonging to the institute in same colour gamut Coloured point is determined, and then public color dot determining unit 503 chromaticity coordinates according to corresponding to color dot determines to meet without departing from every The public color dot of the condition of individual colour gamut, last maximum common color gamut determining unit 504 color according to corresponding to all public color dots are sat Mark determines maximum common color gamut, for realizing that the maximum common color gamut of display screen of multiple bases is asked for, so as to improve display screen Display consistency, display screen actual displayed effect is further increased, and travel through each primary colours point successively in units of colour gamut Color dot in class, it is determined that meeting a color dot of the condition without departing from each colour gamut, just efficiently exhaustively by multiple bases point Color dot in class determines whether the beneficial effect for meeting condition, while the intersection point of complicated a plurality of colour gamuts is also made whether to meet Without departing from the judgement of the condition of each colour gamut, the accuracy that maximum common color gamut is asked for is further increased.

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, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.For example, device embodiment described above is only schematical, for example, the unit Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit Close or communicate to connect, can be electrical, mechanical or other forms.

The unit illustrated as separating component can be or may not be physically separate, show as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.

If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the present invention Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.

Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before Embodiment is stated the present invention is described in detail, it will be understood by those within the art that：It still can be to preceding State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. A kind of 1. method for obtaining display screen maximum common color gamut, it is characterised in that including：

   The number of colors of the primary colours in a plurality of colour gamuts is determined, and it is coloured to the institute in all colour gamuts according to each color Point carries out the primary colours classification of adjacent color；

   To belonging to the same primary colours classification, and it is not belonging to all color dots in the same colour gamut and is determined；

   Determined to meet the public color dot without departing from the condition in each colour gamut according to chromaticity coordinates corresponding to the color dot, it is described Chromaticity coordinates corresponding to public color dot is the border chromaticity coordinates of at least one colour gamut；

   Maximum common color gamut is determined according to the chromaticity coordinates corresponding to all public color dots.
2. 2. the method according to claim 1 for obtaining display screen maximum common color gamut, it is characterised in that according to the color dot Corresponding chromaticity coordinates determines to meet that the public color dot without departing from the condition in each colour gamut specifically includes：

   Primary colours classification is traveled through successively, the color of all color dots in classifying to the primary colours currently traveled through is sat Mark carries out condition judgment successively, if there are a color dot for meeting the condition without departing from each colour gamut, The color dot is a public color dot, and next primary colours classification is traveled through, until all primary colours point Class and its corresponding color dot traversal are completed, and determine all public color dots.
3. 3. the method according to claim 2 for obtaining display screen maximum common color gamut, it is characterised in that successively to the base Colour sorting is traveled through, and the chromaticity coordinates of all color dots in classifying to the primary colours currently traveled through carries out condition and sentenced successively Disconnected, if there are a color dot for meeting the condition without departing from each colour gamut, the color dot is an institute State public color dot, and next primary colours classification is traveled through, until all primary colours classification and its corresponding described Color dot traversal is completed, and determines that all public color dots specifically include：

   S1：It is j=1, k=j, color dot S=C by default settings_{J, i}, the j and the k are that colour gamut corresponding to the color dot becomes Value, the i are primary colours classification value, the C_{J, i}For the i-th primary colours classification color dot of colour gamut described in jth；

   S2：Color gamut value r=1 corresponding to the color dot is made, carries out whether r is not equal to j, and the judgement not equal to k, if so, then right Chromaticity coordinates corresponding to the color dot S currently traveled through is made whether without departing from triangle C corresponding to colour gamut described in r_r,i+1C_{r, i}C_r,i-1Judgement, if the color dot S exceeds triangle C corresponding to colour gamut described in r_r,i+1C_r,iC_r,i-1, then preset colour gamut is performed Side intersection point judgment step, if the color dot S is without departing from triangle C corresponding to colour gamut described in r_r,i+1C_r,iC_r,i-1, then to current Chromaticity coordinates corresponding to the color dot S of traversal is made whether without departing from triangle C corresponding to colour gamut described in r+1_r+1,i+1C_{r+1, i}C_r+1,i-1Judgement, if the color dot S currently traveled through exceeds triangle C corresponding to colour gamut described in r+1_r+1,i+1C_{r+1, i}C_r+1,i-1, then the preset colour gamut side intersection point judgment step is performed.Until corresponding to all colour gamuts traversing triangle complete, And the color dot S currently traveled through is without departing from triangle C corresponding to colour gamut described in r+1_r+1,i+1C_r+1,iC_r+1,i-1, then current time The color dot S gone through is a public color dot.
4. 4. the method according to claim 3 for obtaining display screen maximum common color gamut, it is characterised in that the preset colour gamut Side intersection point judgment step specifically includes：

   Judge whether k is equal to j, if k=j, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side on summit C_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 Or intersection point J2；

   If the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}The intersection point J1 be present, it is determined that color dot S is the intersection point J1, and is counted The first chromaticity coordinates corresponding to the intersection point J1 is calculated, k=r is set, and performs step S2 again；

   If the side C_{J, i}C_{J, i+1}With the side C_{R, i}C_{R, i-1}The intersection point J2 be present, it is determined that color dot S is the intersection point J2, is calculated Go out the second chromaticity coordinates corresponding to the intersection point J2, k=j, j=r are set, and perform step S2 again；

   If the side C_{J, i}C_{J, i-1}With the side C_r,iC_r,i+1And the side C_j,iC_{J, i+1}With the side C_{R, i}C_{R, i-1}It is not present and hands over Point, it is determined that the color dot S=C_{R, i}, j=r, k=j are set, and perform step S2 again.
5. 5. the method according to claim 4 for obtaining display screen maximum common color gamut, it is characterised in that

   If judging k ≠ j, judge with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i+1}Whether deposit In intersection point J3；

   If the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}Intersection point J3 be present, then the according to corresponding to the intersection point J3 that calculates Whether trichromatic coordinates judges the intersection point J3 in line segment C_{J, i}On S extended line, if the intersection point J3 is in line segment C_{J, i}S extended line On, it is determined that the color dot S is the intersection point J3, sets k=r, and performs step S2 again, if the intersection point J3 is in line segment C_{J, i}On S, then calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, The color dot S is the intersection point J4, sets j=r, and perform step S2 again；

   If the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then judge with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J4, if the intersection point J4 be present, calculate with point C_{K, i} For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, the color dot S be the intersection point J4, if J=r is put, and performs step S2 again；

   If the intersection point J4 is not present, it is determined that the color dot S is the point C_{R, i}, j=r, k=j are set, and perform step again Rapid S2.
6. A kind of 6. device for obtaining display screen maximum common color gamut, it is characterised in that including：

   Taxon, for determining the number of colors of the primary colours in a plurality of colour gamuts, and according to each color to all described All color dots in colour gamut carry out the primary colours classification of adjacent color；

   Gamut determination unit, for classifying to belonging to the same primary colours, and it is not belonging to all described in the same colour gamut Color dot is determined；

   Public color dot determining unit, determine to meet without departing from each colour gamut for the chromaticity coordinates according to corresponding to the color dot Condition public color dot, chromaticity coordinates corresponding to the public color dot be at least one colour gamut border chromaticity coordinates；

   Maximum common color gamut determining unit, determined for the chromaticity coordinates according to corresponding to all public color dots maximum public Colour gamut.
7. 7. the device according to claim 6 for obtaining display screen maximum common color gamut, it is characterised in that public color dot determines Unit, it is all described in classifying to the primary colours currently traveled through specifically for being traveled through successively to primary colours classification The chromaticity coordinates of color dot carries out condition judgment successively, if there are an institute for meeting the condition without departing from each colour gamut Color dot is stated, then the color dot is a public color dot, and next primary colours classification is traveled through, until all institutes State primary colours classification and its corresponding color dot traversal is completed, determine all public color dots.
8. 8. the device according to claim 7 for obtaining display screen maximum common color gamut, it is characterised in that public color dot determines Unit specifically includes：

   Default subelement, for being j=1, k=j, color dot S=C by default settings_{J, i}, the j and the k are the color dot Corresponding colour gamut variate-value, the i are primary colours classification value, the C_{J, i}For the i-th primary colours classification color dot of colour gamut described in jth；

   First judgment sub-unit, for making color gamut value r=1 corresponding to the color dot, carry out whether r is not equal to j, and be not equal to k Judgement, if so, then triggering the second judgment sub-unit；

   Second judgment sub-unit, it is made whether for chromaticity coordinates corresponding to the color dot S to currently traveling through without departing from r Triangle C corresponding to the colour gamut_r,i+1C_r,iC_r,i-1Judgement, if the color dot S exceeds triangle corresponding to colour gamut described in r C_r,i+1C_r,iC_r,i-1, then preset colour gamut side intersection point judgment sub-unit is triggered, if the color dot S is corresponding without departing from colour gamut described in r Triangle C_r,i+1C_r,iC_r,i-1, then the 3rd judgment sub-unit is triggered；

   3rd judgment sub-unit, it is made whether for chromaticity coordinates corresponding to the color dot S to currently traveling through without departing from r Triangle C corresponding to+1 colour gamut_r+1,i+1C_r+1,iC_r+1,i-1Judgement, if the color dot S currently traveled through exceeds r+1 institutes State triangle C corresponding to colour gamut_r+1,i+1C_r+1,iC_r+1,i-1, then the preset colour gamut side intersection point judgment sub-unit, Zhi Daosuo are triggered There is traversing triangle corresponding to the colour gamut to complete, and the color dot S currently traveled through is without departing from corresponding to colour gamut described in r+1 Triangle C_r+1,i+1C_r+1,iC_r+1,i-1, then the color dot S currently traveled through is a public color dot.
9. 9. the device according to claim 8 for obtaining display screen maximum common color gamut, it is characterised in that hand on preset colour gamut side Point judgment sub-unit specifically includes：

   First judge module, for judging whether k is equal to j, if k=j, the second judge module is triggered, if k ≠ j, trigger Three judge modules；

   Second judge module, for judging with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i+1}Or with point C_{J, i}For the side C on summit_{J, i}C_{J, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J1 or Intersection point J2, if the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}The intersection point J1 be present, then trigger the first determining module, if institute State side C_{J, i}C_{J, i+1}With the side C_{R, i}C_{R, i-1}Intersection point J2 be present, then trigger the second determining module, if the side C_{J, i}C_{J, i-1}With institute State side C_{R, i}C_{R, i+1}And the side C_{J, i}C_{J, i+1}With the side C_{R, i}C_{R, i-1}Intersection point is not present, then triggers the 3rd determining module；

   First determining module, for determining that color dot S is the intersection point J1, and calculate the first color corresponding to the intersection point J1 Coordinate, k=r is set, and triggers first judgment sub-unit；

   Second determining module, for determining that color dot S is the intersection point J2, and calculate the second color corresponding to the intersection point J2 Coordinate, k=j, j=r are set, and trigger first judgment sub-unit；

   3rd determining module, for determining the color dot S=C_{R, i}, j=r, k=j are set, and are triggered described first and judged Subelement.
10. 10. the device according to claim 9 for obtaining display screen maximum common color gamut, it is characterised in that the 3rd judges mould Block, specifically for judging with point C_{J, i}For the side C on summit_{J, i}C_{J, i-1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i+1}With the presence or absence of friendship Point J3, if the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}Intersection point J3 be present, then the 4th judge module is triggered, if the side C_{J, i}C_{J, i-1}With the side C_{R, i}C_{R, i+1}In the absence of intersection point J3, then the 5th judge module is triggered；

    4th judge module, judge the intersection point J3 for the trichromatic coordinates according to corresponding to the intersection point J3 calculated Whether in line segment C_{J, i}On S extended line, if the intersection point J3 is in line segment C_{J, i}On S extended line, then the 4th determining module is triggered, If the intersection point J3 is in line segment C_{J, i}On S, then calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, the color dot S be the intersection point J4, j=r is set, and triggers first judgment sub-unit；

    4th determining module, for determining that the color dot S is the intersection point J3, k=r is set, and triggers described first and sentence Disconnected subelement；

    5th judge module, for judging with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i}For the side C on summit_{R, i}C_{R, i-1}With the presence or absence of intersection point J4, if the intersection point J4 be present, calculate with point C_{K, i}For the side C on summit_{K, i}C_{K, i+1}With with point C_{R, i} For the side C on summit_{R, i}C_{R, i-1}Intersection point J4, the color dot S be the intersection point J4, set j=r, and trigger it is described first judge son Unit, if the intersection point J4 is not present, it is determined that the color dot S is the point C_{R, i}, j=r, k=j are set, and trigger described the One judgment sub-unit.