CN104461440B - Rendering intent, rendering device and display device - Google Patents
Rendering intent, rendering device and display device Download PDFInfo
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- CN104461440B CN104461440B CN201410851482.1A CN201410851482A CN104461440B CN 104461440 B CN104461440 B CN 104461440B CN 201410851482 A CN201410851482 A CN 201410851482A CN 104461440 B CN104461440 B CN 104461440B
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
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Abstract
The invention discloses a kind of rendering intent, rendering device and display device, including：Obtain the second pel array corresponding to original image；Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region；Calculate the first brightness value of the first brightness value of the R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels；Virtual pixel array is mapped in the first pel array, and calculates the brightness value of each sub-pixel in the first pel array respectively.Arranged without carrying out special position to the pel array of display device, eliminate the influence of display device pixel arrangement, improve the scope of application of rendering intent；And in render process, by the way that each second pixel corresponding to original image is carried out into process of refinement, the brightness value of each sub-pixel in display device is then calculated, ensures that effect of the display device in display picture is high；And rendering intent provided by the invention is simple and convenient, easy Hardware.
Description
Technical field
The present invention relates to display technology field, more specifically, is related to a kind of rendering intent, rendering device and display dress
Put.
Background technology
With the development of electronic technology, the type of display device is also more and more.In the display device of one of which type,
Each pixel has only included two sub-pixels in its pel array, and the color of two sub-pixels is different, but to display device
Each pixel includes red R sub-pixel, green G sub-pixel and blue B sub-pixel corresponding to the image of input, therefore, aobvious
Firstly the need of being rendered during showing device display picture.Existing rendering intent restricted application, and it is not easy Hardware.
The content of the invention
In view of this, the invention provides a kind of rendering intent, rendering device and display device, display device is eliminated
The influence of pixel arrangement, improves the scope of application of rendering intent, and ensure that the display effect of display device is high, and,
The easy Hardware of rendering intent provided by the invention.
To achieve the above object, technical scheme provided by the invention is as follows：
A kind of rendering intent, applied to display device, the display device includes the first pel array, first pixel
Array includes the multiple pixel columns arranged in the first direction, and each pixel column includes multiple first pixels, and first pixel
Including the R sub-pixels set in a second direction and G sub-pixel, or, any one first pixel includes B sub-pixels and R
Sub-pixel, or, any one first pixel includes G sub-pixel and B sub-pixels, and two neighboring along in the second direction
The color of neighbouring sub-pixel differs between the species of first pixel and two neighboring first pixel, and described
One direction and the second direction are mutually perpendicular to, and the rendering intent includes：
The second pel array corresponding to original image is obtained, wherein, R in each second pixel of second pel array
Sub-pixel, G sub-pixel and B sub-pixels correspond to a brightness value respectively；
Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, it is virtual to obtain
Pel array；
Calculate the first brightness value of R sub-pixels, the first brightness value of G sub-pixel and the B pictures of each virtual pixel
First brightness value of element；
The virtual pixel array is mapped in first pel array, and calculates first pel array respectively
In each sub-pixel brightness value, wherein, described the step of calculating the brightness value of i sub-pixels in first pel array is：
Predetermined pattern is obtained first, wherein, the predetermined pattern is corresponding with first pel array, and the predetermined pattern is divided into
Multiple sub-patterns, the center of the sub-pattern are the i sub-pixels of first pixel；Institute is then calculated according to Li '=S '/S*Li
The second brightness value L i ' of the i sub-pixels of each virtual pixel of sub-pattern covering is stated, wherein, the sub-pattern covering is owned
Second brightness value sum of the i sub-pixels of virtual pixel is the i sub-pixels that first pel array is located in the sub-pattern
Brightness value, i R, G or B, Li be virtual pixel i sub-pixels the first brightness value, S ' be virtual pixel be located at the subgraph
Area in case, S are the area of virtual pixel.
Accordingly, present invention also offers a kind of rendering device, applied to display device, the display device includes first
Pel array, first pel array include multiple pixel columns for arranging in the first direction, and each pixel column includes multiple the
One pixel, and any one first pixel includes the R sub-pixels and G sub-pixel set in a second direction, or, it is any one
First pixel includes B sub-pixels and R sub-pixels, or, any one first pixel includes G sub-pixel and B pictures
Element, and it is neighbouring between the species of two neighboring first pixel and two neighboring first pixel along in the second direction
The color of sub-pixel differ, the rendering device includes：
Image collection module, for obtaining the second pel array corresponding to original image, wherein, second pel array
Each second pixel in the corresponding brightness value of R sub-pixels, G sub-pixel and B sub-pixels；
Image processing module, for each second pixel to be divided into multiple regions, and each region corresponding one is empty
Intend pixel, to obtain virtual pixel array, and calculate the first brightness value, the G sub-pixel of the R sub-pixels of each virtual pixel
The first brightness value and B sub-pixels the first brightness value；
Memory module, for depositing the data of several predetermined patterns, wherein, the predetermined pattern is divided into multiple sub-patterns, institute
The center for stating sub-pattern is the i sub-pixels of first pixel；
Data analysis module, for the projection according to the virtual pixel in first pel array, calculate respectively
The brightness value of each sub-pixel in first pel array, wherein, calculate the brightness of i sub-pixels in first pel array
It is worth and is：Predetermined pattern is obtained first, wherein, the predetermined pattern is corresponding with first pel array, and the predetermined pattern
Multiple sub-patterns are divided into, the center of the sub-pattern is the i sub-pixels of first pixel；Then according to Li '=S '/S*Li
Calculate and be located at the second brightness value that each virtual pixel in the sub-pattern corresponds to i sub-pixels, wherein, own in the sub-pattern
Virtual pixel correspond to i sub-pixels the second brightness value sum be first pel array in i sub-pixels brightness value, i R,
G or B, Li are the first brightness value of the i sub-pixels of virtual pixel, and S ' is the area that virtual sub-pixel is located in the sub-pattern, S
For the area of virtual sub-pixel.
Accordingly, present invention also offers a kind of display device, the display device includes the first pel array, and described
One pel array includes multiple pixel columns for arranging in the first direction, and each pixel column includes multiple first pixels, and described the
One pixel includes the R sub-pixels and G sub-pixel set in a second direction, or, any one first pixel includes B pictures
Element and R sub-pixels, or, any one first pixel includes G sub-pixel and B sub-pixels, and the phase along in the second direction
The color of neighbouring sub-pixel differs between the species and two neighboring first pixel of adjacent two first pixels,
The first direction and the second direction are mutually perpendicular to, wherein, the display device includes image processing apparatus, described image
Processing unit is used to obtain the second pel array corresponding to original image, wherein, each second picture of second pel array
R sub-pixels, G sub-pixel and B sub-pixels correspond to a brightness value respectively in element；
Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, it is virtual to obtain
Pel array；
Calculate the first brightness value of R sub-pixels, the first brightness value of G sub-pixel and the B pictures of each virtual pixel
First brightness value of element；
The virtual pixel array is mapped in first pel array, and calculates first pel array respectively
In each sub-pixel brightness value, wherein, described the step of calculating the brightness value of i sub-pixels in first pel array is：
Predetermined pattern is obtained first, wherein, the predetermined pattern is corresponding with first pel array, and the predetermined pattern is divided into
Multiple sub-patterns, the center of the sub-pattern are the i sub-pixels of first pixel；Institute is then calculated according to Li '=S '/S*Li
The second brightness value L i ' of the i sub-pixels of each virtual pixel of sub-pattern covering is stated, wherein, the sub-pattern covering is owned
Second brightness value sum of the i sub-pixels of virtual pixel is the i sub-pixels that first pel array is located in the sub-pattern
Brightness value, i R, G or B, Li be virtual pixel i sub-pixels the first brightness value, S ' be virtual pixel be located at the subgraph
Area in case, S are the area of virtual pixel.
Compared to prior art, at least specific advantages below of technical scheme provided by the invention：
A kind of rendering intent, rendering device and display device provided by the invention, including：Obtain the corresponding to original image
Two pel arrays, wherein, R sub-pixels, G sub-pixels and B sub-pixels correspond to respectively in each second pixel of the second pel array
One brightness value；Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, to obtain virtual pixel
Array；Calculate the first of the first brightness value of the R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels
Brightness value；Virtual pixel array is mapped in the first pel array, and calculates each sub-pixel in the first pel array respectively
Brightness value, wherein, calculate the first pel array in i sub-pixels brightness value the step of be：Predetermined pattern is obtained first, its
In, predetermined pattern is corresponding with the first pel array, and predetermined pattern is divided into multiple sub-patterns, and the center of sub-pattern is the first picture
The i sub-pixels of element；Each virtual pixel in sub-pattern is then calculated according to Li '=S '/S*Li and corresponds to the second of i sub-pixels
Brightness value, wherein, the second brightness value sum that all virtual pixels correspond to i sub-pixels in sub-pattern is i in the first pel array
The brightness value of sub-pixel, i R, G or B, Li are the first brightness value of the i sub-pixels of virtual pixel, and S ' is located at for virtual pixel
Area in sub-pattern, S are the area of virtual pixel.
As shown in the above, technical scheme provided by the invention, it is special without being carried out to the pel array of display device
Position arrangement, eliminate the influence of display device pixel arrangement, improve the scope of application of rendering intent；And rendering
Cheng Zhong, by the way that each second pixel corresponding to original image is carried out into process of refinement, then calculate in display device per height
The brightness value of pixel, ensure that effect of the display device in display picture is high；And rendering intent provided by the invention is simply square
Just, easy Hardware.
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
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of rendering intent provided in an embodiment of the present invention；
Fig. 2 a are a kind of structural representation of first pel array provided in an embodiment of the present invention；
Fig. 2 b are a kind of structural representation of second pel array provided in an embodiment of the present invention；
Fig. 2 c are a kind of schematic diagram that virtual pixel array is transformed to by the second pel array provided in an embodiment of the present invention；
Fig. 2 d are the schematic diagram that one second pixel transform is virtual pixel in Fig. 2 c；
Fig. 2 e are the second pixel and the position relationship schematic diagram of virtual pixel in Fig. 2 c；
Fig. 2 f are the schematic diagram that virtual pixel array provided in an embodiment of the present invention maps to the first pel array；
Fig. 2 g are that predetermined pattern provided in an embodiment of the present invention and the relation of virtual pixel array and the first pel array are shown
It is intended to；
Fig. 2 h are a sub-pattern and the first pel array and the schematic diagram of virtual pixel array position relationship in Fig. 2 g；
Fig. 3 a are the flow chart of another rendering intent provided in an embodiment of the present invention；
Fig. 3 b are a kind of schematic diagram of first pel array edge sharpening provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of rendering device provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As described in background, the wide variety of display device, in the display device of one of which type, its pixel battle array
Each pixel has only included two sub-pixels in row, and the color of two sub-pixels is different, but to the figure of display device input
Each pixel includes red R sub-pixel, green G sub-pixel and blue B sub-pixel as corresponding to, therefore, shows in display device
Show during picture firstly the need of being rendered.Existing rendering intent restricted application, and it is not easy Hardware.
Based on this, the embodiments of the invention provide a kind of rendering intent, applied to display device, and display device includes the
One pel array, the first pel array include the multiple pixel columns arranged in the first direction, and each pixel column includes multiple first
Pixel, and the first pixel includes the R sub-pixels and G sub-pixel that set in a second direction, or, any one first pixel includes
There are B sub-pixels and R sub-pixels, or, any one first pixel includes G sub-pixel and B sub-pixels, and upper adjacent in a second direction
The color of neighbouring sub-pixel differs between the species and two neighboring first pixel of two the first pixels, first direction and
Second direction is mutually perpendicular to.
Wherein, rendering intent provided in an embodiment of the present invention is described in detail with reference to Fig. 1 to Fig. 3 b.With reference to figure 1
It is shown, it is a kind of flow chart of rendering intent provided in an embodiment of the present invention, wherein, rendering intent includes：
S1, obtain original image.
That is, the second pel array corresponding to original image is obtained, wherein, R in each second pixel of the second pel array
Sub-pixel, G sub-pixel and B sub-pixels correspond to a brightness value respectively.
S2, become more meticulous each second pixel.
That is, each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, to obtain virtual representation
Pixel array, will each second pixel carry out process of refinement, in order to each sub-pixel in display device is subsequently calculated
Brightness value is more accurate, lifts the display effect of display device.
Further, each second pixel is divided into multiple regions includes：Each second pixel is divided into multiple areas
Domain, to each second pixel at zoning, using the method for average division, it is not only convenient for calculating, and dividing mode letter
It is single.On the other hand, the embodiment of the present invention be not particularly limited, it is necessary to according to the type of actual displayed device carry out specific design, wherein,
To each second pixel divide multiple regions when, can any zoning, or, according to the first pel array of display device
In the ratio on each side of sub-pixel of each first pixel divide etc..
S3, the first brightness value for calculating each sub-pixel in virtual pixel array.
Calculate the first brightness value of the R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels
First brightness value.Optionally, calculate the first brightness value of the R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and
First brightness value of B sub-pixels includes：
The first brightness value, the first brightness value of G sub-pixel of the R sub-pixels of each virtual pixel are calculated by interpolation algorithm
With the first brightness value of B sub-pixels.
It is Digital Image Processing Computational Methods that the embodiment of the present invention, which provides interpolation algorithm, wherein, the embodiment of the present invention
The interpolation algorithm of offer can be k-nearest neighbor, bilinear interpolation algorithm, cubic interpolation algorithm, parting algorithm etc., on the other hand, originally
Inventive embodiments are not particularly limited.In addition, in the application other embodiment, can also use in other Digital Image Processing
Algorithm the brightness value of each sub-pixel of virtual pixel is calculated.
Specifically, each second pixel is for example divided into four regions and it is in matrix pattern, in matrix pattern：Along first
The square shape region that direction and second direction are first position is the first virtual pixel, in the first direction for first position and
The square shape region for being in a second direction the second place is the second virtual pixel, in the first direction for the second place and along second
Direction is that the square shape region of first position is the 3rd virtual pixel, and, it is in the first direction second with second direction
The square shape region put is the 4th virtual pixel；Wherein, the first virtual pixel to the 4th virtual representation in j-th of second pixels is calculated
The first brightness value of R sub-pixels of element, the first brightness value of the first brightness value of G sub-pixel and B sub-pixels include：
First brightness value L of the i sub-pixels of default first virtual pixeli1For corresponding to i sub-pixels in j-th of second pixels
Brightness value Lij；
According to Li2=(Lij+Li(j+1))/2 calculate the first brightness value L of the i sub-pixels of the second virtual pixeli2；
According to Li3=(Lij+Li(j+2))/2 calculate the first brightness value L of the i sub-pixels of the 3rd virtual pixeli3；
According to Li4=(Lij+Li(j+1)+Li(j+2)+Li(j+3))/2 calculate the first brightness of the i sub-pixels of the 4th virtual pixel
Value Li4；
Wherein, LijFor brightness value, L corresponding to i sub-pixels in j-th of second pixelsi(j+1)Upper j-th in a second direction
Brightness value, L corresponding to i sub-pixels in next second pixel of two pixelsi(j+2)For upper j-th of second pixels in the first direction
Next second pixel i sub-pixels corresponding to brightness value, Li(j+3)For under the upper pixel of jth+2 second in a second direction
Brightness value corresponding to the i sub-pixels of one the second pixel, i R, G or B, j are positive integer.
S4, the brightness value for calculating each sub-pixel in the first pel array.
Wherein, virtual pixel array is mapped in the first pel array, and calculated respectively each in the first pel array
The brightness value of sub-pixel, wherein, it is the step of the brightness value of i sub-pixels in the first pel array of calculating：Default figure is obtained first
Case, wherein, predetermined pattern is corresponding with the first pel array, and predetermined pattern is divided into multiple sub-patterns, and the center of sub-pattern is
The i sub-pixels of first pixel；The i sub-pixels for each virtual pixel that sub-pattern covers then are calculated according to Li '=S '/S*Li
The second brightness value L i ', wherein, sub-pattern covering all virtual pixels i sub-pixels the second brightness value sum be first
Pel array is located at the brightness value of the i sub-pixels in sub-pattern, and i R, G or B, Li are the first bright of the i sub-pixels of virtual pixel
Angle value, S ' are the area that virtual pixel is located in sub-pattern, and S is the area of virtual pixel.
After above-mentioned steps S4 has been performed, the brightness value of each sub-pixel in the first pel array is obtained, then will
The brightness value of each sub-pixel is converted to the intensity gray scale parameter of display device in first pixel, and rear indicator is according to brightness
GTG parameter display picture.
As shown in the above, technical scheme provided in an embodiment of the present invention, without entering to the pel array of display device
The special position arrangement of row, eliminates the influence of display device pixel arrangement, improves the scope of application of rendering intent；And
In render process, by the way that each second pixel corresponding to original image is carried out into process of refinement, then calculate in display device
The brightness value of each sub-pixel, ensure that effect of the display device in display picture is high；And rendering intent provided by the invention
It is simple and convenient, easy Hardware.
In addition, in order to which the technical scheme of rendering intent provided in an embodiment of the present invention is more clearly illustrated, tie below
The instantiation provided in Fig. 2 a to Fig. 2 h is provided, the Rendering algorithms provided in the above embodiments of the present application are carried out specifically
It is bright.Wherein,
It is a kind of structural representation of first pel array provided in an embodiment of the present invention with reference to shown in figure 2a, wherein, the
One pel array 100 is made up of multiple first pixels 10, and the first pel array 10 includes first that Y in the first direction is set
First the first pixel column 102 of pixel column 101, second and the 3rd the first pixel column 103, each first pixel column include three
Individual first pixel 10, and each first pixel 10 includes the sub-pixel of two different colours；Specifically, X in a second direction,
One the first pixel column 101 is：RG pixel+BR pixel+GB pixel arrangements, second the first pixel column 102 are：GB pictures
Element+RG pixel+BR pixel arrangements, the 3rd the first pixel column 103 are：RG pixel+BR pixel+GB pixel arrangements,
And the position correspondence of first the first pixel column 101 and the 3rd the first pixel column 103, and second edge of the first pixel column 102
Second direction X opposite direction, protrude from half sub-pixel of first the first pixel column 101 and the 3rd the first pixel column 103
Width.
In addition, the second pel array corresponding to original image is corresponding with the first pel array of display device.Equally with
The example of one specific second pel array illustrates to rendering intent provided in an embodiment of the present invention, with reference to shown in figure 2b, is
A kind of arrangement schematic diagram of second pel array provided in an embodiment of the present invention, the second pel array 200 are in matrix distribution, and second
Pel array 200 includes first the second pixel column, 201, second the second pixel columns 202 and the 3rd that Y is set in the first direction
Individual second pixel column 203, wherein, each second pixel column includes three the second pixels, and each second pixel 20 includes
There are R sub-pixels, G sub-pixel and the B sub-pixels of X arrangements in a second direction, wherein, i sub-pixels corresponding one in each second pixel
Brightness value, i R, G or B.
, it is necessary to which each second pixel is entered before the calculating of each sub-pixel progress brightness value in the first pel array
Row process of refinement, i.e. each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region.Wherein, tie
Close shown in Fig. 2 c and 2d, Fig. 2 c a kind of are transformed to virtual pixel array to be provided in an embodiment of the present invention by the second pel array
Schematic diagram, each second pixel 20 is divided into four regions by specific example provided in an embodiment of the present invention, in matrix pattern.With reference to
It is the schematic diagram that one second pixel transform is virtual pixel in Fig. 2 c shown in Fig. 2 d, is illustrated with second pixel 20,
In the second pixel 200 of matrix pattern, the square shape region that Y and second direction X is first position in the first direction is first
Virtual pixel 21, Y is first position in the first direction and X is that the square shape region of the second place is second empty in a second direction
Intend pixel 22, Y is the second place in the first direction and X is that the square shape region of first position is the 3rd virtual in a second direction
Pixel 23, and, the square shape region that Y and second direction X is the second place in the first direction is the 4th virtual pixel 24,
According to above-mentioned division methods, the second pel array 200 is divided into virtual pixel array 300.
By each second pixel zoning, and obtain after virtual pixel array, it is necessary to each of virtual pixel array
Sub-pixel carries out the calculating of brightness value, that is, calculates the first brightness value of each sub-pixel in virtual pixel array.Wherein it is possible to adopt
Calculated with interpolation algorithm in Digital Image Processing, be the second pixel and virtual pixel in Fig. 2 c specifically with reference to shown in Fig. 2 e
Position relationship schematic diagram, with calculate in the first direction Y and second direction X be first position the second pixel J each void
Intend illustrating exemplified by the first brightness value of each sub-pixel of pixel：
Brightness value corresponding to the second pixel J i sub-pixels in the second pel array corresponding to original image is obtained first
Lij, brightness value L io corresponding to the second pixel O i sub-pixels is obtained, obtain brightness value corresponding to the second pixel P i sub-pixels
Lip, and, brightness value L iq corresponding to the second pixel Q i sub-pixels is obtained, wherein, i R, G or B；
The first brightness value that the second pixel J corresponds to the sub-pixel of each virtual pixel is then calculated, wherein, it is empty to calculate first
Intend the first brightness value L i1 of the i sub-pixels of pixel 21：The first of the i sub-pixels of default second pixel J the first virtual pixel 21
Brightness value L i1 is identical with brightness value L ij corresponding to the second pixel J i sub-pixels；
Calculate the first brightness value L i2 of the i sub-pixels of the second virtual pixel 22：Wherein, according to Li2=(Lij+Lio)/2
Calculate the first brightness value L i2 of the i sub-pixels of the second virtual pixel 22；
Calculate the first brightness value L i3 of the i sub-pixels of the 3rd virtual pixel 23：Wherein, according to Li3=(Lij+Lip)/2
Calculate the first brightness value of the i sub-pixels of the 3rd virtual pixel 23；
Calculate the first brightness value L i4 of the i sub-pixels of the 4th virtual pixel 24：Wherein, according to Li4=(Lij+Lio+
Lip+Liq the brightness value L i4 of the i sub-pixels of the 4th virtual pixel)/2 is calculated.
According to the computational methods of above-mentioned interpolation algorithm, the first brightness value of each sub-pixel in virtual pixel array is carried out
Calculate.Again after the first brightness value calculating to each sub-pixel in virtual pixel array, it will enter and calculate the first pixel battle array
The brightness value step of each sub-pixel in row.With reference to shown in figure 2f, mapped for virtual pixel array provided in an embodiment of the present invention
To the schematic diagram of the first pel array, before the brightness value of each sub-pixel in calculating the first pel array, it is necessary first to will
Virtual pixel array 300 is mapped in the first pel array 100, so as to subsequently to each sub-pixel of the first pel array 100
Calculated.
Wherein, with reference to shown in Fig. 2 g and 2h, to every height picture of first pel array of calculating provided in an embodiment of the present invention
The brightness value of element is described in detail.Wherein, to calculate in the first pel array exemplified by the brightness value of G sub-pixel, with reference to figure 2g
It is shown, it is the relation schematic diagram of predetermined pattern provided in an embodiment of the present invention and virtual pixel array and the first pel array, it is first
Predetermined pattern 400 is first obtained, predetermined pattern 400 is corresponding with the first pel array 100, wherein, predetermined pattern 400 is divided into
Multiple sub-patterns 401, and the center of each sub-pattern 401 is the G sub-pixel of corresponding first pixel；Then, according to Lg '=
S '/S*Lg calculates the second brightness value L g ' of the G sub-pixel for each virtual pixel that sub-pattern 401 covers, wherein, sub-pattern
Second brightness value sum of the G sub-pixel of all virtual pixels of 401 coverings is the brightness of G sub-pixel in the first pel array
Value, Lg are the first brightness value of the G sub-pixel of virtual pixel, and S ' is the area that virtual pixel is located in sub-pattern, and S is virtual representation
The area of element；That is, illustrated by taking a specific sub-pattern as an example, with specific reference to shown in Fig. 2 h.It should be noted that in Fig. 2 g
Be described with the predetermined pattern 400 in Fig. 2 h by taking multiple parallelogram (rhombus) as an example need not shall be limited only to herein it is multiple
Parallelogram (rhombus), any number of other polygons are can also be, as long as ensureing that the polygon of multiple arbitrary shapes is mutual
Between be bound together, and can be completely covered in whole first pel array 100 and currently carry out calculating the same of brightness value
Color sub-pixels, it will not be repeated here, the deformation of arbitrary shape belongs to the scope that the embodiment of the present invention is protected.
A G sub-pixel in corresponding first pel array 100 in the center of sub-pattern 401, and sub-pattern 401 is covered with virtual
Pixel A 1 is to virtual pixel A12.Wherein, virtual pixel A1 G sub-pixel to virtual pixel A12 G sub-pixel the first brightness
Value is respectively Lg1 to Lg12.Virtual pixel A1 is located at the area in sub-pattern 401, virtual pixel A2 is located in sub-pattern 401
Area, virtual pixel A11 are located at the area that the area in sub-pattern 401 and virtual pixel A12 are located in sub-pattern 401
Virtual pixel area 3/8 (it should be noted that the ratio is not precise proportions, the first pixel merely for convenience of description
The computational methods of each sub-pixel in array and define, need specifically to measure in actual applications, likewise, the present invention implement
Example is following illustrate in calculating process and the ratio that defines for convenience of description), virtual pixel A4 is located at the face in sub-pattern 401
Product, virtual pixel A5 are located at the area in sub-pattern 401, virtual pixel A8 is located at area and virtual pixel in sub-pattern 401
The area that A9 is located in sub-pattern 401 is the 61/64 of virtual pixel area, and virtual pixel A3 is located in sub-pattern 401
Area, virtual pixel A6 are located at the area in sub-pattern 401, virtual pixel A7 is located at area and virtual representation in sub-pattern 401
The area that plain A10 is located in sub-pattern 401 is the 1/6 of virtual pixel area, therefore, the center corresponding first of sub-pattern 401
The brightness value L of G sub-pixel in pel array 100GFor：
LG=61/64* (Lg4+Lg5+Lg8+Lg9)+3/8* (Lg1+Lg2+Lg11+Lg12)+1/6* (Lg3+Lg6+Lg7
+Lg10)
Pass through the brightness value of G sub-pixel in corresponding first pel array 100 in the above-mentioned center that sub-pattern 401 is calculated
LG, and then according to the brightness value of each sub-pixel in the method the first pel array 100 of calculating.
In addition, corresponding to the rendering intent of embodiment offer based on above-mentioned Fig. 1, the embodiment of the present invention additionally provides another wash with watercolours
Dyeing method, in order to compensate the reduction of the resolution ratio of display device display image, rendering intent provided in an embodiment of the present invention is dividing
Do not calculate in the first pel array after the brightness value of each sub-pixel, edge sharpening can also be carried out to the first pel array.Tool
Body is another rendering intent provided in an embodiment of the present invention with reference to shown in figure 3a, and Fig. 3 a correspond to what rendering intent provided with Fig. 1
The step S1 of rendering intent is identical to step S4, thus do not make it is unnecessary repeat, difference is, the application Fig. 3 a provide wash with watercolours
Dyeing method also includes after step S4：
S5, edge sharpening is carried out to the first pel array.
With specific reference to shown in Fig. 3 b, being a kind of signal of first pel array edge sharpening provided in an embodiment of the present invention
Figure, wherein, picture element matrix 500 is extracted in the first pel array 100, is then entered according to default B sub-pixels factor matrix 600
Row convolution, to obtain the brightness value of each B sub-pixels in the first optimal pel array, and the first pixel battle array is obtained in this approach
The corresponding optimal brightness value of the sub-pixel of each color in row, and then improve the display effect of display device.Need what is illustrated
Be, the embodiment of the present invention for extraction picture element matrix size and be not particularly limited, and default sub-pixel factor matrix
Need to be designed according to practical application, the embodiment of the present invention is equally not specifically limited.
In addition, the shape and size of the first pel array provided for above-mentioned all embodiments, the embodiment of the present invention is not
Make concrete restriction, as long as the first pel array meets to include the multiple pixel columns arranged in the first direction, each pixel column includes
Multiple first pixels, and the first pixel includes the R sub-pixels and G sub-pixel that set in a second direction, or, any one first
Pixel includes B sub-pixels and R sub-pixels, or, any one first pixel includes G sub-pixel and B sub-pixels, and along second party
The color of neighbouring sub-pixel differs between the species and two neighboring first pixel of upward two neighboring first pixel, the
One direction and second direction are mutually perpendicular to.
Accordingly, the embodiment of the present invention additionally provides a kind of rendering device, and applied to display device, display device includes the
One pel array, the first pel array include the multiple pixel columns arranged in the first direction, and each pixel column includes multiple first
Pixel, and any one first pixel includes the R sub-pixels and G sub-pixel set in a second direction, or, any one first
Pixel includes B sub-pixels and R sub-pixels, or, any one first pixel includes G sub-pixel and B sub-pixels, and along second party
The color of neighbouring sub-pixel differs between the species and two neighboring first pixel of upward two neighboring first pixel, joins
Examine shown in Fig. 4, be a kind of structural representation of rendering device provided in an embodiment of the present invention, wherein, the embodiment of the present invention provides
Rendering device include：
Image collection module 1, for obtaining the second pel array corresponding to original image, wherein, the second pel array
R sub-pixels, G sub-pixel and B sub-pixels correspond to a brightness value respectively in each second pixel；
Image processing module 2, for each second pixel to be divided into multiple regions, and the corresponding virtual representation in each region
Element, to obtain virtual pixel array, and calculate the first brightness value of the R sub-pixels of each virtual pixel, the first of G sub-pixel bright
First brightness value of angle value and B sub-pixels；
Memory module 3, for depositing the data of several predetermined patterns, wherein, predetermined pattern is divided into multiple sub-patterns, sub-pattern
Center be the first pixel i sub-pixels；
Data analysis module 4, for the projection according to virtual pixel in the first pel array, the first pixel is calculated respectively
The brightness value of each sub-pixel in array, wherein, the brightness value for calculating i sub-pixels in the first pel array is：Obtain first pre-
If pattern, wherein, predetermined pattern is corresponding with the first pel array, and predetermined pattern is divided into multiple sub-patterns, in sub-pattern
The heart is the i sub-pixels of the first pixel；Each virtual pixel in sub-pattern is then calculated according to Li '=S '/S*Li and corresponds to i
Second brightness value of sub-pixel, wherein, the second brightness value sum that all virtual pixels correspond to i sub-pixels in sub-pattern is first
The brightness value of i sub-pixels in pel array, i R, G or B, Li are the first brightness value of the i sub-pixels of virtual pixel, and S ' is
Virtual sub-pixel is located at the area in sub-pattern, and S is the area of virtual sub-pixel.
In addition, rendering device provided in an embodiment of the present invention is every in data analysis module calculating finishes the first pel array
After the brightness value of individual sub-pixel, the brightness value of each sub-pixel is converted into GTG parameter, passes through display device display picture.
In addition, rendering device provided in an embodiment of the present invention also includes edge sharpening module, edge sharpening module is used for
Calculate respectively in the first pel array after the brightness value of each sub-pixel, edge sharpening is carried out to the first pel array.
Finally, the embodiment of the present application additionally provides a kind of display device, and display device includes the first pel array, the first picture
Pixel array includes the multiple pixel columns arranged in the first direction, and each pixel column includes multiple first pixels, and the first pixel bag
The R sub-pixels and G sub-pixel set in a second direction is included, or, any one first pixel includes B sub-pixels and R sub-pixels,
Or any one first pixel includes G sub-pixels and B sub-pixels, and the species of upper two neighboring first pixel in a second direction
The color of neighbouring sub-pixel is differed between two neighboring first pixel, and first direction and second direction are mutually perpendicular to,
Wherein, display device includes image processing apparatus, and image processing apparatus is used to obtain the second pel array corresponding to original image,
Wherein, R sub-pixels, G sub-pixel and B sub-pixels correspond to a brightness value respectively in each second pixel of the second pel array；
Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, to obtain virtual pixel
Array；
Calculate the first brightness value of the R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels
First brightness value；
Virtual pixel array is mapped in the first pel array, and calculates each sub-pixel in the first pel array respectively
Brightness value, wherein, calculate the first pel array in i sub-pixels brightness value the step of be：Predetermined pattern is obtained first, its
In, predetermined pattern is corresponding with the first pel array, and predetermined pattern is divided into multiple sub-patterns, and the center of sub-pattern is the first picture
The i sub-pixels of element；The second of the i sub-pixels for each virtual pixel that sub-pattern covers then is calculated according to Li '=S '/S*Li
Brightness value L i ', wherein, the second brightness value sum of the i sub-pixels of all virtual pixels of sub-pattern covering is the first pixel battle array
Row are located at the brightness value of the i sub-pixels in sub-pattern, and i R, G or B, Li are the first brightness value of the i sub-pixels of virtual pixel,
S ' is the area that virtual pixel is located in sub-pattern, and S is the area of virtual pixel.
A kind of rendering intent, rendering device and the display device that the embodiment of the present application provides, including：Obtain original image pair
The second pel array answered, wherein, R sub-pixels, G sub-pixel and B sub-pixels point in each second pixel of the second pel array
Dui Ying not a brightness value；Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, to obtain void
Intend pel array；Calculate the first brightness value of the R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels
The first brightness value；Virtual pixel array is mapped in the first pel array, and calculated respectively each in the first pel array
The brightness value of sub-pixel, wherein, it is the step of the brightness value of i sub-pixels in the first pel array of calculating：Default figure is obtained first
Case, wherein, predetermined pattern is corresponding with the first pel array, and predetermined pattern is divided into multiple sub-patterns, and the center of sub-pattern is
The i sub-pixels of first pixel；Each virtual pixel in sub-pattern is then calculated according to Li '=S '/S*Li and corresponds to i pictures
Second brightness value of element, wherein, the second brightness value sum that all virtual pixels correspond to i sub-pixels in sub-pattern is the first pixel
The brightness value of i sub-pixels in array, i R, G or B, Li are the first brightness value of the i sub-pixels of virtual pixel, and S ' is virtual representation
Element is located at the area in sub-pattern, and S is the area of virtual pixel.
As shown in the above, the technical scheme that the embodiment of the present application provides, without entering to the pel array of display device
The special position arrangement of row, eliminates the influence of display device pixel arrangement, improves the scope of application of rendering intent；And
In render process, by the way that each second pixel corresponding to original image is carried out into process of refinement, then calculate in display device
The brightness value of each sub-pixel, ensure that effect of the display device in display picture is high；And the wash with watercolours that the embodiment of the present application provides
Dyeing method is simple and convenient, easy Hardware.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of rendering intent, applied to display device, it is characterised in that the display device includes the first pel array, institute
Multiple pixel columns that the first pel array includes arranging in the first direction are stated, each pixel column includes multiple first pixels, and institute
R sub-pixels and G sub-pixel that the first pixel includes setting in a second direction are stated, or, any one first pixel includes B
Sub-pixel and R sub-pixels, or, any one first pixel includes G sub-pixel and B sub-pixels, and along the second direction
Go up the color of sub-pixel neighbouring between the species of two neighboring first pixel and two neighboring first pixel not
Identical, the first direction and the second direction are mutually perpendicular to, and the rendering intent includes：
The second pel array corresponding to original image is obtained, wherein, R pictures in each second pixel of second pel array
Element, G sub-pixel and B sub-pixels correspond to a brightness value respectively；
Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, to obtain virtual pixel
Array；
Calculate the first brightness value of R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels
First brightness value；
The virtual pixel array is mapped in first pel array, and calculated respectively every in first pel array
The brightness value of individual sub-pixel, and shown with the brightness value of each sub-pixel, wherein, it is described to calculate first pixel
It is the step of the brightness value of i sub-pixels in array：Predetermined pattern is obtained first, wherein, the predetermined pattern and first picture
Pixel array is corresponding, and the predetermined pattern covers same color for currently carrying out calculating brightness value in first pel array
Pixel, and the predetermined pattern is divided into multiple sub-patterns, the multiple sub-pattern combines between each other, in the sub-pattern
The heart is the i sub-pixels of first pixel；Each virtual representation of the sub-pattern covering is then calculated according to Li '=S '/S*Li
Second brightness value L i ' of the i sub-pixels of element, wherein, the second of the i sub-pixels of all virtual pixels of the sub-pattern covering is bright
Angle value sum is the brightness value for the i sub-pixels that first pel array is located in the sub-pattern, and i R, G or B, Li are void
Intend the first brightness value of the i sub-pixels of pixel, S ' is the area that virtual pixel is located in the sub-pattern, and S is virtual pixel
Area.
2. rendering intent according to claim 1, it is characterised in that each second pixel is divided into multiple regions
Including：
Each second pixel is divided into multiple regions.
3. rendering intent according to claim 2, it is characterised in that calculate the R sub-pixels of each virtual pixel
First brightness value of the first brightness value, the first brightness value of G sub-pixel and B sub-pixels includes：
The first brightness value, the first brightness value of G sub-pixel of the R sub-pixels of each virtual pixel are calculated by interpolation algorithm
With the first brightness value of B sub-pixels.
4. rendering intent according to claim 3, it is characterised in that each second pixel is divided into four areas
Domain and be in matrix pattern, in the matrix pattern：It is the square shape region of first position along the first direction and second direction
It is first position and along the square shape area that the second direction is the second place along the first direction for the first virtual pixel
Domain is the second virtual pixel, is the second place and along the square shape that the second direction is first position along the first direction
Region is the 3rd virtual pixel, and, it is the along the square shape region that the first direction and second direction are the second place
Four virtual pixels；Wherein, first of the R sub-pixels of the first virtual pixel to the 4th virtual pixel in j-th of second pixels is calculated
First brightness value of brightness value, the first brightness value of G sub-pixel and B sub-pixels includes：
Preset the first brightness value L of the i sub-pixels of first virtual pixeli1For corresponding to i sub-pixels in j-th of second pixels
Brightness value Lij；
According to Li2=(Lij+Li(j+1))/2 calculate the first brightness value L of the i sub-pixels of second virtual pixeli2；
According to Li3=(Lij+Li(j+2))/2 calculate the first brightness value L of the i sub-pixels of the 3rd virtual pixeli3；
According to Li4=(Lij+Li(j+1)+Li(j+2)+Li(j+3))/2 calculate the first brightness value of the i sub-pixels of the 4th virtual pixel
Li4；
Wherein, LijFor brightness value, L corresponding to i sub-pixels in j-th of second pixelsi(j+1)The jth along in the second direction
Brightness value, L corresponding to i sub-pixels in next second pixel of individual second pixeli(j+2)For along the first direction described
Brightness value corresponding to the i sub-pixels of next second pixel of j the second pixels, Li(j+3)Described in along in the second direction
Brightness value corresponding to the i sub-pixels of next second pixel of the pixel of jth+2 second, i R, G or B, j are positive integer.
5. rendering intent according to claim 1, it is characterised in that calculate first pel array respectively described
After the brightness value of each sub-pixel, in addition to：
Edge sharpening is carried out to first pel array.
6. a kind of rendering device, applied to display device, it is characterised in that the display device includes the first pel array, institute
Multiple pixel columns that the first pel array includes arranging in the first direction are stated, each pixel column includes multiple first pixels, and appoints
First pixel of anticipating includes the R sub-pixels and G sub-pixel set in a second direction, or, any one first picture
Element includes B sub-pixels and R sub-pixels, or, any one first pixel includes G sub-pixel and B sub-pixels, and along described
Sub-pixel neighbouring between the species of two neighboring first pixel and two neighboring first pixel in second direction
Color differs, and the rendering device includes：
Image collection module, for obtaining the second pel array corresponding to original image, wherein, second pel array it is every
R sub-pixels, G sub-pixel and B sub-pixels correspond to a brightness value respectively in individual second pixel；
Image processing module, for each second pixel to be divided into multiple regions, and the corresponding virtual representation in each region
Element, to obtain virtual pixel array, and calculate the first brightness value of the R sub-pixels of each virtual pixel, the of G sub-pixel
First brightness value of one brightness value and B sub-pixels；
Memory module, for depositing the data of several predetermined patterns, wherein, the predetermined pattern is divided into multiple sub-patterns, the son
The center of pattern is the i sub-pixels of first pixel；
Data analysis module, for the projection according to the virtual pixel in first pel array, calculate respectively described in
The brightness value of each sub-pixel in first pel array, and shown with the brightness value of each sub-pixel, wherein, calculate
The brightness value of i sub-pixels is in first pel array：Obtain predetermined pattern first, wherein, the predetermined pattern with it is described
First pel array is corresponding, and the predetermined pattern covers and currently carries out calculating the same of brightness value in first pel array
Color sub-pixels, and the predetermined pattern is divided into multiple sub-patterns, the multiple sub-pattern combines between each other, the subgraph
The center of case is the i sub-pixels of first pixel；Then calculated and be located in the sub-pattern each according to Li '=S '/S*Li
Virtual pixel corresponds to the second brightness value of i sub-pixels, wherein, all virtual pixels correspond to the of i sub-pixels in the sub-pattern
Two brightness value sums are the brightness value of i sub-pixels in first pel array, and i R, G or B, Li are the i pictures of virtual pixel
First brightness value of element, S ' are the area that virtual sub-pixel is located in the sub-pattern, and S is the area of virtual sub-pixel.
7. rendering device according to claim 6, it is characterised in that the rendering device also includes edge sharpening module,
The edge sharpening module is used for after the brightness value for calculating each sub-pixel in first pel array respectively, to institute
State the first pel array and carry out edge sharpening.
8. a kind of display device, it is characterised in that the display device includes the first pel array, the first pel array bag
The multiple pixel columns arranged in the first direction are included, each pixel column includes multiple first pixels, and first pixel includes edge
The R sub-pixels and G sub-pixel that second direction is set, or, any one first pixel includes B sub-pixels and R sub-pixels,
Or any one first pixel includes G sub-pixel and B sub-pixels, and along in the second direction two neighboring described
The color of neighbouring sub-pixel differs between the species of one pixel and two neighboring first pixel, the first direction
It is mutually perpendicular to the second direction, wherein, the display device includes image processing apparatus, and described image processing unit is used for
The second pel array corresponding to original image is obtained, wherein, R sub-pixels, G in each second pixel of second pel array
Sub-pixel and B sub-pixels correspond to a brightness value respectively；
Each second pixel is divided into multiple regions, and the corresponding virtual pixel in each region, to obtain virtual pixel
Array；
Calculate the first brightness value of R sub-pixels of each virtual pixel, the first brightness value of G sub-pixel and B sub-pixels
First brightness value；
The virtual pixel array is mapped in first pel array, and calculated respectively every in first pel array
The brightness value of individual sub-pixel, and shown with the brightness value of each sub-pixel, wherein, it is described to calculate first pixel
It is the step of the brightness value of i sub-pixels in array：Predetermined pattern is obtained first, wherein, the predetermined pattern and first picture
Pixel array is corresponding, and the predetermined pattern covers same color for currently carrying out calculating brightness value in first pel array
Pixel, and the predetermined pattern is divided into multiple sub-patterns, the multiple sub-pattern combines between each other, in the sub-pattern
The heart is the i sub-pixels of first pixel；Each virtual representation of the sub-pattern covering is then calculated according to Li '=S '/S*Li
Second brightness value L i ' of the i sub-pixels of element, wherein, the second of the i sub-pixels of all virtual pixels of the sub-pattern covering is bright
Angle value sum is the brightness value for the i sub-pixels that first pel array is located in the sub-pattern, and i R, G or B, Li are void
Intend the first brightness value of the i sub-pixels of pixel, S ' is the area that virtual pixel is located in the sub-pattern, and S is virtual pixel
Area.
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| CN104821147B (en) * | 2015-05-27 | 2017-06-27 | 京东方科技集团股份有限公司 | One sub-pixel rendering intent |
| CN105185229B (en) * | 2015-08-28 | 2017-11-10 | 厦门天马微电子有限公司 | Display device and its display methods |
| CN105185230B (en) * | 2015-08-28 | 2018-07-31 | 厦门天马微电子有限公司 | Display device and its display methods |
| CN105137641B (en) * | 2015-08-28 | 2018-10-30 | 厦门天马微电子有限公司 | Display device and display methods |
| CN105139764B (en) * | 2015-09-23 | 2018-02-06 | 厦门天马微电子有限公司 | Display device and display methods |
| KR102369368B1 (en) * | 2015-09-30 | 2022-03-02 | 엘지디스플레이 주식회사 | Image processing circuit and display device using the same |
| CN105489177B (en) * | 2015-11-30 | 2018-06-29 | 信利（惠州）智能显示有限公司 | Sub-pixel rendering intent and rendering device |
| CN106886380B (en) | 2015-12-16 | 2020-01-14 | 上海和辉光电有限公司 | Display device, image data processing device and method |
| CN109003577B (en) * | 2017-06-07 | 2020-05-12 | 京东方科技集团股份有限公司 | Driving method and assembly of display panel, display device, terminal and storage medium |
| CN110853568B (en) * | 2019-11-29 | 2022-11-01 | 昆山国显光电有限公司 | Image processing method and apparatus, and storage medium |
| CN114138224B (en) * | 2021-12-07 | 2023-05-30 | 深圳市华星光电半导体显示技术有限公司 | Rendering method and device for sub-pixels in image, computer equipment and storage medium |
| CN117011134A (en) * | 2023-05-09 | 2023-11-07 | 苇创微电子(上海)有限公司 | Direct scaling method for display sub-pixel diamond arrangement image |
| CN117745531A (en) * | 2024-02-19 | 2024-03-22 | 瑞旦微电子技术(上海)有限公司 | Image interpolation method, apparatus and readable storage medium |
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