WO2016011728A1 - 一种图像的显示方法及显示装置 - Google Patents

一种图像的显示方法及显示装置 Download PDF

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Publication number
WO2016011728A1
WO2016011728A1 PCT/CN2014/090879 CN2014090879W WO2016011728A1 WO 2016011728 A1 WO2016011728 A1 WO 2016011728A1 CN 2014090879 W CN2014090879 W CN 2014090879W WO 2016011728 A1 WO2016011728 A1 WO 2016011728A1
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WIPO (PCT)
Prior art keywords
pixel
virtual
pixels
sub
image information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/090879
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English (en)
French (fr)
Inventor
刘鹏
董学
郭仁炜
杨凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Application filed by BOE Technology Group Co Ltd, Beijing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to US14/768,597 priority Critical patent/US9613564B2/en
Priority to EP14882139.0A priority patent/EP3174037A4/en
Publication of WO2016011728A1 publication Critical patent/WO2016011728A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4015—Image demosaicing, e.g. colour filter arrays [CFA] or Bayer patterns
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2003—Display of colours
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2074—Display of intermediate tones using sub-pixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • 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
    • G09G5/026—Control of mixing and/or overlay of colours in general
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0443—Pixel structures with several sub-pixels for the same colour in a pixel, not specifically used to display gradations
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/04—Structural and physical details of display devices
    • G09G2300/0439—Pixel structures
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/04—Changes in size, position or resolution of an image
    • G09G2340/0457—Improvement of perceived resolution by subpixel rendering

Definitions

  • the present disclosure relates to a method of displaying an image and a display device.
  • a flat panel display such as a light emitting diode (LED), an organic light emitting diode (OLED), a plasma display panel (PDP), and a liquid crystal display (LCD), as shown in FIG.
  • a plurality of sub-pixels having different color resist colors arranged in a matrix are provided.
  • three sub-pixels with different color resistance colors form one pixel (as shown by the thick line frame shown in FIG. 1), wherein three color resistance colors are red (R), green (G), and blue (B).
  • R red
  • G green
  • B blue
  • four or more sub-pixels of different color resist colors make up one pixel.
  • RGB signals are input to each sub-pixel in each pixel within a display time of one frame, and the flat panel display is determined by the size of the pixel. The resolution is displayed for the image.
  • the method of reducing the pixel size is generally adopted to improve the resolution of the display image of the flat panel display.
  • the process of making flat panel displays is becoming more and more difficult. Therefore, the resolution of the display image of the flat panel display cannot be increased by continuously reducing the size of the pixel, and a new method for improving the resolution of the image displayed on the flat panel display needs to be sought.
  • an embodiment of the present disclosure provides a method for displaying an image and a display device for effectively improving the resolution of a display image of the flat panel display.
  • an embodiment of the present disclosure provides a method for displaying an image, including:
  • each original pixel in the display panel into a plurality of virtual pixels according to an image resolution of the desired display of the frame to be displayed; wherein each of the virtual pixels includes a partial sub-pixel in each of the original pixels ;
  • Displaying is performed according to the determined display image information required for each sub-pixel in each of the original pixels and the image resolution required to be displayed.
  • the display method of the above image divides each original pixel into a plurality of virtual pixels according to the image resolution of the desired display of the frame to be displayed; according to the weight of each sub-pixel in each virtual pixel, Determining the weight of each sub-pixel in the adjacent virtual pixels and the original image information of the received frame to be displayed, determining virtual image information of each virtual pixel when displaying the image of the frame to be displayed; thus, each virtual pixel borrows a line phase
  • Each sub-pixel in the adjacent virtual pixel displays a color that is missing by itself, and can achieve the same display function as each original pixel, thereby improving the image resolution of the frame to be displayed; and, due to the determined virtual image information and the original image
  • the rule with the smallest information difference determines the display image information required for each sub-pixel in each original pixel; according to the determined display image information and the image resolution display of the desired display, the image of the frame to be displayed can be better restored .
  • the original pixel in the display panel is divided into multiple according to the image resolution of the desired display of the frame to be displayed.
  • Virtual pixels including:
  • the six pixels arranged in the display panel are divided into four virtual pixels as one The group is repeated, and the composition of each of the dummy pixels in a repeating group is different from each other.
  • the sub-pixels are compensated according to the weight of each sub-pixel in each of the virtual pixels and the virtual pixels adjacent to the row. Determining the virtual image information of each of the virtual pixels when the image of the frame to be displayed is displayed, specifically including:
  • the virtual image information and the original image information of each of the determined virtual pixels are determined according to each of the virtual images. Determining, by the rule that the difference between the virtual image information of the pixel and the original image information is the smallest, the display image information required for each sub-pixel in each of the original pixels, specifically includes:
  • the determined image information required for each of the sub-pixels in each of the original pixels is determined when the determined mean square error of the virtual image information and the original image information of each of the virtual pixels is the smallest.
  • the method after determining the display image information required for each sub-pixel in each of the original pixels, the method further includes:
  • the display image information required for each sub-pixel in each of the determined original pixels is low-pass filtered by a low-pass filter.
  • the embodiment of the present disclosure further provides an image display device, including: a display panel and a driving device; the driving device includes:
  • An information receiving unit configured to receive original image information of a frame to be displayed
  • a pixel dividing unit configured to divide each original pixel in the display panel into a plurality of virtual pixels according to an image resolution of the desired display of the frame to be displayed; wherein each of the virtual pixels includes each of the original pixels a portion of the sub-pixels in the pixel;
  • a first determining unit configured to determine, according to a weight of each sub-pixel in each of the virtual pixels, a weight of each sub-pixel as a compensation in a virtual pixel adjacent to the row, and original image information of the frame to be displayed Virtual image information of each of the virtual pixels when the image of the frame to be displayed is displayed;
  • a second determining unit configured to: according to the determined virtual image information of each of the virtual pixels and the original image information, a rule that the degree of difference between the virtual image information of each of the virtual pixels and the original image information is the smallest Determining display image information required for each sub-pixel in each of the original pixels;
  • an image display unit configured to display according to the determined display image information required for each sub-pixel in each of the original pixels and the image resolution to be displayed.
  • each pixel is divided into a plurality of virtual pixels according to the image resolution of the desired display of the frame to be displayed; the first determining unit is configured according to each virtual pixel.
  • the unit determines display image information required for each sub-pixel in each original pixel according to the rule that the determined degree of difference between the virtual image information and the original image information is the smallest; the image display unit according to the determined display image information and the image to be displayed
  • the resolution display allows you to better restore the image of the frame to be displayed.
  • each of the original pixels in the display panel is composed of a plurality of sub-pixels having different color resistance colors, and adjacent rows and columns are adjacent to each other.
  • Each of the adjacent sub-pixels has a different color resistance color.
  • the pixel dividing unit specifically, the image resolution of the desired display in the frame to be displayed is the frame to be displayed.
  • the original image resolution is twice, the six pixels arranged in the display panel are divided into four virtual pixels as a repeating group, and the constituents of the virtual pixels in a repeating group are different from each other.
  • the first determining unit specifically includes:
  • a first determining sub-unit configured to: according to an area occupied by each sub-pixel in each of the virtual pixels, an area occupied by each sub-pixel as compensation in a virtual pixel adjacent to the row, and compensated for each sub-pixel to be compensated The distance of the virtual pixels, the weight of each sub-pixel in each of the virtual pixels and the weight of each sub-pixel in the virtual pixel adjacent to the row as compensation;
  • a second determining subunit configured to determine a weight of each sub-pixel in each of the virtual pixels, a weight of each sub-pixel as a compensation in a virtual pixel adjacent to the row, and an original image of the frame to be displayed
  • Information determining virtual image information of each of the virtual pixels when displaying the image of the frame to be displayed.
  • the second determining unit specifically includes:
  • a third determining subunit configured to perform virtual image information according to each of the determined virtual pixels And the original image information, determining a mean square error of the virtual image information of each of the virtual pixels and the original image information;
  • a fourth determining subunit configured to determine, when the determined mean square error of the virtual image information of each of the virtual pixels and the original image information is the smallest, a display image required for each sub-pixel in each of the original pixels information.
  • the driving device further includes: a low pass filtering unit, configured to use the low pass filter pair to determine each of the original The display image information required for each sub-pixel in the pixel is low-pass filtered.
  • 1 is a schematic view showing the arrangement of sub-pixels in a conventional flat panel display
  • FIG. 2 is a flowchart of a method for displaying an image according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of arrangement of each sub-pixel in an image display method according to an embodiment of the present disclosure
  • FIG. 4 and FIG. 5 are schematic diagrams of inputting original image information and virtual image information respectively in the first row of sub-pixels in FIG. 3;
  • FIG. 6 is an array distribution diagram of a conversion matrix in an image display method according to an embodiment of the present disclosure
  • FIG. 7 is a second flowchart of a method for displaying an image provided by an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of an image display device according to an embodiment of the present disclosure.
  • a display method of an image provided by an embodiment of the present disclosure, as shown in FIG. 2, includes:
  • each original pixel in the display panel into a plurality of virtual pixels according to an image resolution of a desired display of the frame to be displayed; wherein each virtual pixel includes a partial sub-pixel in each original pixel;
  • the human eye regards the two points as one point, and therefore, the human eye can regard a plurality of adjacent sub-pixels belonging to different pixels as one bright point.
  • the display method of the above image provided by the embodiment of the present disclosure divides each original pixel into a plurality of virtual pixels according to the image resolution of the desired display of the frame to be displayed; according to each sub-pixel of each virtual pixel Weighting, weight of each sub-pixel in the adjacent virtual pixel, and original image information of the received frame to be displayed, determining virtual image information of each virtual pixel when displaying the image of the frame to be displayed; thus, each virtual pixel is borrowed
  • Each sub-pixel in the adjacent virtual pixel displays the color that is missing by itself, and the same display function as each original pixel can be realized, thereby improving the image resolution of the frame to be displayed; and, according to the determined virtual image information and a rule that minimizes the difference in original image information, determines display image information required for each
  • each original pixel in the display panel may include three sub-pixels with different color resistance colors, such as a red (R) sub-pixel, a green (G) sub-pixel, and a blue (B) sub-pixel, or a display panel.
  • Each of the original pixels may also include four sub-pixels having different color resistance colors, such as a red (R) sub-pixel, a green (G) sub-pixel, a blue (B) sub-pixel, and a white (W) sub-pixel.
  • the step S202 in the foregoing display method provided by the embodiment of the present disclosure divides each original pixel in the display panel into a plurality of virtual pixels according to the image resolution of the desired display of the frame to be displayed.
  • Method implementation when the image resolution of the desired display of the frame to be displayed is twice the original image resolution of the frame to be displayed, the six sub-pixels (ie, two original pixels) arranged in two rows in the display panel are divided.
  • the four virtual pixels are used as a repeating group, and the constituents of the virtual pixels in a repeating group are different from each other.
  • each of the original pixels in the display panel includes three sub-pixels ABC having different color resist colors, and FIG. 3 shows sub-pixels of 4 rows ⁇ 6 columns, that is, 8 originals. Pixel.
  • the image resolution of the desired display of the frame to be displayed is twice the original image resolution of the frame to be displayed, six sub-pixels arranged in two rows in the display panel (such as the dotted frame shown in FIG. 3)
  • the two original pixels are divided into four virtual pixels 1, 2, 3, and 4 as a repeating group, and the constituents of the virtual pixels in a repeating group are different from each other: the virtual pixel 1 includes one sub-pixel A and a half.
  • the sub-pixel B, the virtual pixel 2 includes one sub-pixel C and a half sub-pixel B.
  • the virtual pixel 3 includes one sub-pixel B and a half sub-pixel C.
  • the virtual pixel 4 includes one sub-pixel A and half a sub-pixel C.
  • the image resolution of the desired display of the frame to be displayed may also be three times the original image resolution of the frame to be displayed.
  • six sub-pixels arranged in two rows in the display panel ie, two originals
  • the pixel is divided into six virtual pixels as a repeating group, that is, each sub-pixel is used as a virtual pixel, which is not limited herein.
  • each original pixel in the display panel may be divided into a plurality of virtual pixels according to an image resolution of a desired display of the frame to be displayed. For example, when the image resolution of the desired display of the frame to be displayed is N times the original image resolution of the frame to be displayed, each original pixel in the display panel may be divided into N virtual pixels, where N is greater than An integer equal to 2. Of course, depending on the design needs and actual needs, the N here can also be a positive real number.
  • the step S203 in the foregoing display method provided by the embodiment of the present disclosure is based on the weight of each sub-pixel in each virtual pixel, the weight of each sub-pixel as a compensation in the virtual pixel adjacent to the row, and the frame to be displayed.
  • the original image information determines the virtual image information of each virtual pixel when displaying the image of the frame to be displayed, which can be specifically implemented by the following steps.
  • each area of each sub-pixel in each virtual pixel, the area occupied by each sub-pixel as compensation in the adjacent virtual pixels, and the distance from each sub-pixel to the compensated virtual pixel are determined.
  • the virtual pixels adjacent to the left side of the virtual pixel 1 are defined as virtual pixels 5, to determine the weight of each sub-pixel in the virtual pixel 1, and the virtual pixels 2 and the virtual pixels 5 adjacent to the row.
  • the weight of each sub-pixel to be compensated will be described as an example.
  • the area occupied by the sub-pixel A in the virtual pixel 1 is 1, and the area occupied by the sub-pixel B in the virtual pixel 1 is The area occupied by the sub-pixel C in the virtual pixel 2 and the virtual pixel 5 is 1, and the area occupied by the sub-pixel B in the virtual pixel 2 and the virtual pixel 5 is The closer the distance between each sub-pixel as the compensated virtual pixel is, the larger the distance weight of each sub-pixel is compensated.
  • the distance weight of the sub-pixel A and the sub-pixel B in the virtual pixel 1 is 1
  • the distance weights of the sub-pixels B in the virtual pixel 2 and the sub-pixels C in the virtual pixel 5 are 1
  • the sub-pixel C in the virtual pixel 2 and the sub-pixel B in the virtual pixel 5 occupy a distance weight of 1- ⁇ .
  • the product of the area occupied by each sub-pixel and the weight of the occupied distance is used as the weight of each sub-pixel, and therefore, the weights of the sub-pixel A and the sub-pixel B in the virtual pixel 1 are 1 and The weights of the sub-pixel B and the sub-pixel C in the virtual pixel 2 are respectively And 1- ⁇ , the weights of the sub-pixel C and the sub-pixel B in the virtual pixel 5 are respectively ⁇ and
  • the original image information of the to-be-displayed frame corresponding to each virtual pixel in the row of the virtual pixel 1 is respectively... (A 2n-3 , B 2n-3 , C 2n-3 ) , (A 2n-2 , B 2n-2 , C 2n-2 ), (A 2n-1 , B 2n-1 , C 2n-1 ), (A 2n , B 2n , C 2n ), as shown in the figure
  • the display image information required for each sub-pixel in the row of the virtual pixel 1 is ...
  • the step S204 in the foregoing display method provided by the embodiment of the present disclosure is based on the determined virtual image information of each virtual pixel and the original image information, according to the difference between the virtual image information and the original image information of each virtual pixel.
  • the minimum rule for determining the display image information required for each sub-pixel in each original pixel can be realized by the following steps.
  • the mean square error of the virtual image information and the original image information of each virtual pixel is determined based on the determined virtual image information of each virtual pixel and the original image information.
  • the mean square difference between the virtual image information of each virtual pixel of the row in which the virtual pixel 1 is located and the original image information of the corresponding received frame to be displayed may be calculated by calculating a difference between the virtual image information and the original image information. Take the sum of squares and then average them, which can be calculated by the following formula (1):
  • N is the number of original pixels of the row in which the virtual pixel 1 is located.
  • the display image information required for each sub-pixel in each original pixel is determined. Since the mean square error of the virtual image information and the original image information of each virtual pixel reflects the difference between the virtual image information and the original image information, the smaller the mean square error, the smaller the difference between the virtual image information and the original image information. The degree of reduction of the image displayed by the virtual image information is higher.
  • only the sub-pixel A in the virtual pixel 1 may be considered to determine the virtual image information of each virtual pixel of the row in which the virtual pixel 1 is located and the original image information of the corresponding received frame to be displayed.
  • the minimum value of the variance, thereby calculating the display image information a n required for the sub-pixel A that is, considering only the minimum value of the mean square error with respect to the sub-pixel A in the virtual pixel 1.
  • the mean square error D to the component a n and making the derivative zero
  • the virtual image when the display image information required for the sub-pixel A in the virtual pixel 1 satisfies the above formula, the virtual image
  • the mean square error between the virtual image information and the original image information of each virtual pixel in the row of the prime 1 is the smallest, and the difference between the virtual image information and the original image information of each virtual pixel in the row of the virtual pixel 1 is the smallest, and the row of the virtual pixel 1 is The virtual image information of each virtual pixel has the highest degree of reduction.
  • the conversion matrix P can be defined as:
  • the conversion matrix P is obtained.
  • a repeating array centered at the maximum value of 0.6708204 can be found, and the value close to zero in the repeated array is ignored, and an array distribution as shown in FIG. 6 can be obtained, and the display image information required for the sub-pixel A a n
  • This repeated array can be used to determine the weight, ie:
  • a n 0.000304A 2n-9 -0.001288A 2n-8 -0.002083A 2n-7 +0.008825A 2n-6
  • the sub-pixel B and the sub-pixel C may be separately considered to respectively determine the minimum value of the mean square error of the virtual image information of each virtual pixel of the row in which the virtual pixel 1 is located and the original image information of the frame to be displayed correspondingly received, thereby
  • the display image information b n and c n required for the sub-pixels B and C are calculated separately.
  • the mean square difference of the virtual image information of each virtual pixel of the row in which the virtual pixel 1 is located and the original image information of the corresponding received frame to be displayed may be respectively obtained for the component b n or the component c n in the virtual pixel 1 .
  • the display image information b n and c n required for each sub-pixel B or each sub-pixel C of the row of the virtual pixel 1 can be obtained, and the specific implementation and the row of the virtual pixel 1 are obtained.
  • the embodiment of the display image information required for the sub-pixel A is similar and will not be described herein.
  • the method for obtaining display image information required for each sub-pixel A, each sub-pixel B, and each sub-pixel C of the row in which the virtual pixel 3 and the dummy pixel 4 are located, and each sub-pixel A in which the row of the virtual pixel 1 is obtained The embodiment of the display image information required for each sub-pixel B and each sub-pixel C is similar, and will not be described herein.
  • the display image information required for each sub-pixel of the other odd-numbered rows in the display panel and each sub-pixel of the row of the virtual pixel 1 are The method for obtaining the required display image information is the same, and the display image information required for each sub-pixel of the other even rows in the display panel is the same as the method for acquiring the display image information required for each sub-pixel of the row in which the virtual pixel 3 is located, and no further description is provided herein. .
  • the step S204 in the foregoing display method provided by the embodiment of the present disclosure may further include the following steps after determining the display image information required for each sub-pixel in each original pixel, as shown in FIG. 7 :
  • an embodiment of the present disclosure further provides an image display device. Since the principle of solving the problem is similar to the display method of the foregoing image, the implementation of the device can be referred to the implementation of the method. No longer.
  • the embodiment of the present disclosure further provides an image display device, as shown in FIG. 8, comprising: a display panel 81 and a driving device 82; wherein the driving device 82 includes:
  • An information receiving unit 821 configured to receive original image information of a frame to be displayed
  • a pixel dividing unit 822 configured to divide each original pixel in the display panel into a plurality of virtual pixels according to an image resolution of a desired display of the frame to be displayed; wherein each virtual pixel includes a partial sub-pixel in each original pixel Pixel
  • the first determining unit 823 is configured to determine, according to the weight of each sub-pixel in each virtual pixel, the weight of each sub-pixel that is compensated in the virtual pixel adjacent to the row, and the original image information of the frame to be displayed. Virtual image information of each virtual pixel when the image of the frame is;
  • the second determining unit 824 is configured to determine, according to the determined virtual image information of each virtual pixel and the original image information, a rule that the degree of difference between the virtual image information of each virtual pixel and the original image information is the smallest, and each original pixel is determined. Display image information required for each sub-pixel;
  • the image display unit 825 is configured to display according to the determined display image information required for each sub-pixel in each original pixel and the image resolution to be displayed.
  • the human eye regards the two points as one point, and therefore, the human eye can regard a plurality of adjacent sub-pixels belonging to different pixels as one bright point.
  • the pixel dividing unit divides each original pixel into a plurality of virtual pixels according to the image resolution of the desired display of the frame to be displayed; the first determining unit according to each Determining the weight of each sub-pixel in the virtual pixel, the weight of each sub-pixel in the adjacent virtual pixel of the row, and the original image information of the received frame to be displayed, determining virtual image information of each virtual pixel when displaying the image of the frame to be displayed; In this way, each virtual pixel borrows each sub-pixel in the adjacent virtual pixel to display the color that is missing by itself, and can achieve the same display function as each original pixel, thereby improving the image resolution of the frame to be displayed; and, The second determining
  • each of the original pixels in the display panel 81 is composed of a plurality of sub-pixels having different color resistance colors, and adjacent rows and columns are adjacent to each other.
  • the color resistance of each sub-pixel is different.
  • each of the original pixels 6 is composed of three sub-pixels ABC having different color resistance colors, which may be red (R) sub-pixels, green (G) sub-pixels, and blue (B) sub-pixels.
  • each of the original pixels 6 may be composed of four or more sub-pixels having different color resistance colors, which is not limited herein.
  • the pixel dividing unit 822 is specifically configured to: when the image resolution of the desired display of the frame to be displayed is twice the original image resolution of the frame to be displayed.
  • the six sub-pixels arranged in two rows in the display panel are divided into four virtual pixels as a repeating group, and the configurations of the virtual pixels in a repeating group are different from each other.
  • FIG. 3 when the image resolution of the desired display of the frame to be displayed is twice the original image resolution of the frame to be displayed, six sub-pixels arranged in two rows in the display panel are displayed (as shown in FIG. 3).
  • the two original pixels 6 are divided into four virtual pixels 1, 2, 3, and 4 as a repeating group, and the constituents of the virtual pixels in a repeating group are different from each other: the virtual pixel 1 includes One sub-pixel A and one half sub-pixel B.
  • the virtual pixel 2 includes one sub-pixel C and one half sub-pixel B.
  • the virtual pixel 3 includes one sub-pixel B and one half sub-pixel C.
  • the virtual pixel 4 includes one sub-pixel A and one half sub-pixel. C.
  • the image resolution of the desired display of the frame to be displayed may also be three times the original image resolution of the frame to be displayed.
  • six sub-pixels arranged in two rows in the display panel that is, two original pixels are required. It is divided into six virtual pixels as a repeating group, that is, each sub-pixel is used as a virtual pixel, which is not limited herein.
  • each original pixel in the display panel may be divided into a plurality of virtual pixels according to an image resolution of a desired display of the frame to be displayed.
  • the display device provided by the embodiment of the present disclosure is also applicable to the arrangement of other sub-pixels, and is not limited to the arrangement of the sub-pixels as shown in FIG. 3, which is not limited herein.
  • the first determining unit 823 may specifically include: a first determining sub-unit 8231, configured to calculate an area and a row according to each sub-pixel in each virtual pixel.
  • the second determining sub-unit 8232 is configured to determine, according to the weight of each sub-pixel in each virtual pixel, the weight of each sub-pixel as compensation in the virtual pixel adjacent to the row, And original image information of the frame to be displayed, determining virtual image information of each virtual pixel when displaying the image of the frame to be displayed.
  • the second determining unit 824 specifically, the third determining subunit 8241 is configured to determine, according to the determined virtual image information of each virtual pixel and the original image information, a mean square error of the virtual image information and the original image information of each virtual pixel;
  • the fourth determining sub-unit 8242 is configured to determine display image information required for each sub-pixel in each original pixel when the determined mean square error of the virtual image information and the original image information of each virtual pixel is the smallest.
  • the driving device 82 may further include: a low-pass filtering unit 826, configured to use the low-pass filter pair to determine each sub-pixel in each original pixel.
  • the desired display image information is low pass filtered.
  • An image display method and a display device provided by an embodiment of the present disclosure divide each original pixel into a plurality of virtual pixels according to an image resolution of a desired display of a frame to be displayed; according to each sub-pixel Determining the weight of the pixel, the weight of each sub-pixel in the adjacent virtual pixel of the row, and the original image information of the received frame to be displayed, determining virtual image information of each virtual pixel when displaying the image of the frame to be displayed; thus, each virtual The pixels in the adjacent virtual pixels of the pixel borrowing line display the color that is missing by itself, and the same display function as each original pixel can be realized, thereby improving the image resolution of the frame to be displayed; and, due to the determined virtual image
  • the rule that the difference between the information and the original image information is the smallest, and the display image information required for each sub-pixel in each original pixel is determined; according to the determined display image information and the image resolution of the desired display, the image display can be better restored. Displays an image of the frame.

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Abstract

一种图像的显示方法及显示装置，由于按照待显示帧的所需显示的图像分辨率，将每个原始像素划分为多个虚拟像素；根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中各子像素的权重以及接收的待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；这样，每个虚拟像素借用行相邻的虚拟像素中各子像素显示本身缺少的颜色，可以实现与每个原始像素同样的显示功能，从而提高了待显示帧的图像分辨率；并且，由于按照确定出的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；根据确定出的显示图像信息和所需显示的图像分辨率显示，能更好地还原待显示帧的图像。

Description

一种图像的显示方法及显示装置 技术领域
本公开涉及一种图像的显示方法及显示装置。
背景技术
在发光二极管(Light Emitting Diode，LED)、有机发光二极管(Organic Light Emitting Diode，OLED)、等离子显示器(Plasma Display Panel，PDP)及液晶显示器(Liquid Crystal Display，LCD)等平板显示器中，如图1所示，设置有呈矩阵排列的色阻颜色不同的多个子像素。一般三个色阻颜色不同的子像素组成一个像素(如图1所示的粗线框所示)，其中，三个色阻颜色为红色(R)、绿色(G)和蓝色(B)；或者，四个或更多个色阻颜色不同的子像素组成一个像素。当平板显示器中的每个像素包含三个色阻颜色不同的子像素时，在一帧的显示时间内，对每个像素中的各子像素输入RGB信号，平板显示器会按照由像素的尺寸决定的分辨率进行图像显示。
目前，随着对平板显示器显示图像的分辨率的要求越来越高，一般采用减小像素尺寸的方式来提高平板显示器的显示图像的分辨率。然而，随着像素的尺寸越来越小，制作平板显示器的工艺难度越来越大。因此，不能单一地通过不断减小像素的尺寸来提高平板显示器的显示图像的分辨率，而需要寻求一种新的提高平板显示器显示图像的分辨率的方法。
因此，如何有效地提高平板显示器显示图像的分辨率，是本领域技术人员亟需解决的技术问题。
发明内容
有鉴于此，本公开实施例提供了一种图像的显示方法及显示装置，用以有效地提高平板显示器显示图像的分辨率。
因此，本公开实施例提供了一种图像的显示方法，包括：
接收待显示帧的原始图像信息；
按照所述待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素；其中，每个所述虚拟像素包含每个所述原始像素中的部分子像素；
根据每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息；
根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，按照每个所述虚拟像素的虚拟图像信息与所述原始图像信息差异度最小的规则，确定每个所述原始像素中各子像素所需的显示图像信息；
根据确定出的每个所述原始像素中各子像素所需的显示图像信息以及所需显示的图像分辨率进行显示。
本公开实施例提供的上述图像的显示方法，由于按照待显示帧的所需显示的图像分辨率，将每个原始像素划分为多个虚拟像素；根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中各子像素的权重以及接收的待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；这样，每个虚拟像素借用行相邻的虚拟像素中各子像素显示本身缺少的颜色，可以实现与每个原始像素同样的显示功能，从而提高了待显示帧的图像分辨率；并且，由于按照确定出的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；根据确定出的显示图像信息和所需显示的图像分辨率显示，可以更好地还原待显示帧的图像。
在一种可能的实现方式中，在本公开实施例提供的上述显示方法中，所述按照所述待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素，具体包括：
在所述待显示帧的所需显示的图像分辨率是所述待显示帧的原始图像分辨率的两倍时，将显示面板中六个两行排列的子像素划分为四个虚拟像素作为一重复组，在一重复组中各所述虚拟像素的构成互不相同。
在一种可能的实现方式中，在本公开实施例提供的上述显示方法中，所述根据每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息，具体包括：
根据每个所述虚拟像素中各子像素所占面积、行相邻的虚拟像素中作为补偿的各子像素所占面积，以及作为补偿的各子像素到被补偿的虚拟像素的距离，确定每个所述虚拟像素中各子像素的权重和行相邻的虚拟像素中作为 补偿的各子像素的权重；
根据确定出的每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息。
在一种可能的实现方式中，在本公开实施例提供的上述显示方法中，所述根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，按照每个所述虚拟像素的虚拟图像信息与所述原始图像信息差异度最小的规则，确定每个所述原始像素中各子像素所需的显示图像信息，具体包括：
根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，确定每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差；
在确定出的每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差最小时，确定每个所述原始像素中各子像素所需的显示图像信息。
在一种可能的实现方式中，在本公开实施例提供的上述显示方法中，在确定每个所述原始像素中各子像素所需的显示图像信息之后，还包括：
利用低通滤波器对确定出的每个所述原始像素中各子像素所需的显示图像信息进行低通滤波。
本公开实施例还提供了一种图像的显示装置，包括：显示面板和驱动装置；所述驱动装置，包括：
信息接收单元，用于接收待显示帧的原始图像信息；
像素划分单元，用于按照所述待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素；其中，每个所述虚拟像素包含每个所述原始像素中的部分子像素；
第一确定单元，用于根据每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息；
第二确定单元，用于根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，按照每个所述虚拟像素的虚拟图像信息与所述原始图像信息差异度最小的规则，确定每个所述原始像素中各子像素所需的显示图像信息；
图像显示单元，用于根据确定出的每个所述原始像素中各子像素所需的显示图像信息以及所需显示的图像分辨率进行显示。
本公开实施例提供的上述图像的显示装置，由于像素划分单元按照待显示帧的所需显示的图像分辨率，将每个原始像素划分为多个虚拟像素；第一确定单元根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中各子像素的权重以及接收的待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；这样，每个虚拟像素借用行相邻的虚拟像素中各子像素显示本身缺少的颜色，可以实现与每个原始像素同样的显示功能，从而提高了待显示帧的图像分辨率；并且，由于第二确定单元按照确定出的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；图像显示单元根据确定出的显示图像信息和所需显示的图像分辨率显示，可以更好地还原待显示帧的图像。
在一种可能的实现方式中，在本公开实施例提供的上述显示装置中，所述显示面板中的每个所述原始像素由色阻颜色不同的多个子像素组成，且行相邻和列相邻的各所述子像素的色阻颜色不同。
在一种可能的实现方式中，在本公开实施例提供的上述显示装置中，所述像素划分单元，具体用于在所述待显示帧的所需显示的图像分辨率是所述待显示帧的原始图像分辨率的两倍时，将显示面板中六个两行排列的子像素划分为四个虚拟像素作为一重复组，在一重复组中各所述虚拟像素的构成互不相同。
在一种可能的实现方式中，在本公开实施例提供的上述显示装置中，所述第一确定单元，具体包括：
第一确定子单元，用于根据每个所述虚拟像素中各子像素所占面积、行相邻的虚拟像素中作为补偿的各子像素所占面积，以及作为补偿的各子像素到被补偿的虚拟像素的距离，确定每个所述虚拟像素中各子像素的权重和行相邻的虚拟像素中作为补偿的各子像素的权重；
第二确定子单元，用于根据确定出的每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息。
在一种可能的实现方式中，在本公开实施例提供的上述显示装置中，所述第二确定单元，具体包括：
第三确定子单元，用于根据确定出的每个所述虚拟像素的虚拟图像信息 以及所述原始图像信息，确定每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差；
第四确定子单元，用于在确定出的每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差最小时，确定每个所述原始像素中各子像素所需的显示图像信息。
在一种可能的实现方式中，在本公开实施例提供的上述显示装置中，所述驱动装置，还包括：低通滤波单元，用于利用低通滤波器对确定出的每个所述原始像素中各子像素所需的显示图像信息进行低通滤波。
附图说明
图1为现有的平板显示器中各子像素的排布示意图；
图2为本公开实施例提供的图像的显示方法的流程图之一；
图3为本公开实施例提供的图像的显示方法中各子像素的排布示意图；
图4和图5分别为图3中第一行子像素分别输入原始图像信息和虚拟图像信息的示意图；
图6为本公开实施例提供的图像的显示方法中转换矩阵的数组分布图；
图7本公开实施例提供的图像的显示方法的流程图之二；
图8为本公开实施例提供的图像的显示装置的结构示意图。
具体实施方式
下面结合附图，对本公开实施例提供的图像的显示方法及显示装置的具体实施方式进行详细地说明。
本公开实施例提供的一种图像的显示方法，如图2所示，包括：
S201、接收待显示帧的原始图像信息；
S202、按照待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素；其中，每个虚拟像素包含每个原始像素中的部分子像素；
S203、根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；
S204、根据确定出的每个虚拟像素的虚拟图像信息以及原始图像信息， 按照每个虚拟像素的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；
S205、根据确定出的每个原始像素中各子像素所需的显示图像信息以及所需显示的图像分辨率进行显示。
由于当两点间的距离相对于人眼的视角足够小时，人眼会将该两点视为一点，因此，人眼可以将属于不同像素的多个相邻的子像素视为一个亮点。基于此，本公开实施例提供的上述图像的显示方法，按照待显示帧的所需显示的图像分辨率，将每个原始像素划分为多个虚拟像素；根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中各子像素的权重以及接收的待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；这样，每个虚拟像素借用行相邻的虚拟像素中各子像素来显示本身缺少的颜色，可以实现与每个原始像素同样的显示功能，从而提高了待显示帧的图像分辨率；并且，按照确定出的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；根据确定出的显示图像信息和所需显示的图像分辨率显示，还可以更好地还原待显示帧的图像。
在具体实施时，显示面板中每个原始像素可以包含色阻颜色不同的三个子像素，例如红色(R)子像素、绿色(G)子像素和蓝色(B)子像素，或者，显示面板中每个原始像素也可以包含色阻颜色不同的四个子像素，例如红色(R)子像素、绿色(G)子像素、蓝色(B)子像素和白色(W)子像素，在此不做限定。
在具体实施时，本公开实施例提供的上述显示方法中的步骤S202按照待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素，具体可以通过以下方式实现：在待显示帧的所需显示的图像分辨率是待显示帧的原始图像分辨率的两倍时，将显示面板中六个按两行排列的子像素(即两个原始像素)划分为四个虚拟像素作为一重复组，在一重复组中的各虚拟像素的构成互不相同。
具体地，如图3所示，以显示面板中每个原始像素包含色阻颜色不同的三个子像素ABC为例进行说明，图3示出了4行×6列的子像素、即8个原始像素。在待显示帧的所需显示的图像分辨率是待显示帧的原始图像分辨率的两倍时，将显示面板中六个按两行排列的子像素(如图3所示的虚线框所 示)即两个原始像素划分为四个虚拟像素1、2、3和4作为一重复组，在一重复组中的各虚拟像素的构成互不相同：虚拟像素1包含一个子像素A和半个子像素B，虚拟像素2包含一个子像素C和半个子像素B，虚拟像素3包含一个子像素B和半个子像素C，虚拟像素4包含一个子像素A和半个子像素C。
当然，待显示帧的所需显示的图像分辨率也可以是待显示帧的原始图像分辨率的三倍，此时，需要将显示面板中六个按两行排列的子像素(即两个原始像素)划分为六个虚拟像素作为一重复组，即每个子像素作为一虚拟像素，在此不做限定。
在具体实施时，可以根据待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素。例如，当待显示帧的所需显示的图像分辨率是待显示帧的原始图像分辨率的N倍时，可以将显示面板中的每个原始像素划分为N个虚拟像素，这里，N是大于等于2的整数。当然，根据设计需求和实际需要，这里的N也可以是正实数。
需要说明的是，本公开实施例提供的上述显示方法也适用于其他子像素的排布方式，并不局限于如图3所示的子像素的排布方式，在此不做限定。
在具体实施时，本公开实施例提供的上述显示方法中的步骤S203根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息，具体可以通过以下步骤实现。
首先，根据每个虚拟像素中各子像素所占面积、行相邻的虚拟像素中作为补偿的各子像素所占面积，以及作为补偿的各子像素到被补偿的虚拟像素的距离，确定每个虚拟像素中各子像素的权重和行相邻的虚拟像素中作为补偿的各子像素的权重。
具体地，如图3所示，将虚拟像素1左侧相邻的虚拟像素定义为虚拟像素5，以确定虚拟像素1中各子像素的权重以及行相邻的虚拟像素2和虚拟像素5中作为补偿的各子像素的权重为例进行说明。虚拟像素1中子像素A所占面积为1，虚拟像素1中子像素B所占面积为
Figure PCTCN2014090879-appb-000001
虚拟像素2和虚拟像素5中子像素C所占面积均为1，虚拟像素2和虚拟像素5中子像素B所占 面积均为
Figure PCTCN2014090879-appb-000002
由于作为补偿的各子像素到被补偿的虚拟像素的距离越近，作为补偿的各子像素所占距离权重越大，因此，虚拟像素1中子像素A和子像素B所占距离权重均为1，并且假设虚拟像素2中子像素B和虚拟像素5中子像素C所占距离权重均为
Figure PCTCN2014090879-appb-000003
从而虚拟像素2中子像素C和虚拟像素5中子像素B所占距离权重均为1-α。将各子像素所占面积和所占距离权重的乘积作为各子像素的权重，因此，虚拟像素1中子像素A和子像素B的权重分别为1和
Figure PCTCN2014090879-appb-000004
虚拟像素2中子像素B和子像素C的权重分别为
Figure PCTCN2014090879-appb-000005
和1-α，虚拟像素5中子像素C和子像素B的权重分别为α和
Figure PCTCN2014090879-appb-000006
然后，根据确定出的每个虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息。
具体地，例如：如图4所示，虚拟像素1所在行中各虚拟像素对应接收的待显示帧的原始图像信息分别为……(A2n-3,B2n-3,C2n-3)、(A2n-2,B2n-2,C2n-2)、(A2n-1,B2n-1,C2n-1)、(A2n,B2n,C2n)……，如图5所示，虚拟像素1所在行中各子像素所需的显示图像信息为……(an-1,bn-1,cn-1)、(an,bn,cn)……，根据上述确定出的虚拟像素1中子像素A对应的an的权重1和子像素B对应的bn的权重
Figure PCTCN2014090879-appb-000007
行相邻的虚拟像素2中子像素B对应的bn的权重
Figure PCTCN2014090879-appb-000008
和子像素C对应的cn的权重1-α、虚拟像素5中子像素C对应的cn-1的权重α和子像素B对应的bn-1的权重
Figure PCTCN2014090879-appb-000009
可以确定在显示待显示帧的图像时虚拟像素1的虚拟图像信息为
Figure PCTCN2014090879-appb-000010
同理，可以确定虚拟像素2的虚拟图像信息为
Figure PCTCN2014090879-appb-000011
虚拟像素5的虚拟图像信息为
Figure PCTCN2014090879-appb-000012
在具体实施时，本公开实施例提供的上述显示方法中的步骤S204根据确定出的每个虚拟像素的虚拟图像信息以及原始图像信息，按照每个虚拟像素的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息，具体可以通过以下步骤实现。
首先，根据确定出的每个虚拟像素的虚拟图像信息以及原始图像信息，确定每个虚拟像素的虚拟图像信息和原始图像信息的均方差。
具体地，虚拟像素1所在行的各虚拟像素的虚拟图像信息与各自对应接收的待显示帧的原始图像信息的均方差，可以通过计算虚拟图像信息与原始图像信息的差值、对该差值取平方和且然后取平均得到，具体可以通过以下公式(1)计算：
Figure PCTCN2014090879-appb-000013
   公式(1)；
其中，N为虚拟像素1所在行的原始像素的数量。
然后，在确定出的每个虚拟像素的虚拟图像信息和原始图像信息的均方差最小时，确定每个原始像素中各子像素所需的显示图像信息。由于每个虚拟像素的虚拟图像信息和原始图像信息的均方差反映了虚拟图像信息与原始图像信息之间的差异，因此，均方差越小，虚拟图像信息与原始图像信息之间的差异越小，虚拟图像信息显示的图像的还原度越高。
在一个例子中，为简化计算过程，可以只考虑虚拟像素1中的子像素A来确定虚拟像素1所在行的各虚拟像素的虚拟图像信息与各自对应接收的待显示帧的原始图像信息的均方差的最小值，从而计算子像素A所需的显示图像信息an，也就是说，仅考虑该均方差相对于虚拟像素1中的子像素A的最小值。具体而言，将均方差D对分量an求导，并令导数为零，可以得到以下公式(2)：
α(1-α)an-1+(2α2+3)an+α(1-α)an+1＝αA2n-2+A2n-1+(1-α)A2n   公式(2)。
即在虚拟像素1中的子像素A所需的显示图像信息满足上式时，虚拟像 素1所在行的各虚拟像素的虚拟图像信息与原始图像信息的均方差最小，虚拟像素1所在行的各虚拟像素的虚拟图像信息与原始图像信息之间的差异最小，虚拟像素1所在行的各虚拟像素的虚拟图像信息的还原度最高。
令α1＝1-α；β1＝αα1；γ1＝2α2+3，可以将公式(2)转换为矩阵的形式：
Figure PCTCN2014090879-appb-000014
   公式(3)。
根据公式(3)可以推导出虚拟像素1所在行的各子像素A所需的显示图像信息为：
Figure PCTCN2014090879-appb-000015
   公式(4)；
其中，可以定义转换矩阵P为：
Figure PCTCN2014090879-appb-000016
   公式(5)。
为简化数据处理过程，降低计算芯片的功耗，可以令
Figure PCTCN2014090879-appb-000017
从而求得转换矩阵P。在转换矩阵P中，可以找到以最大值0.6708204为中心的重复数组，将重复数组中接近零的数值忽略，可以得到如图6所示的数组分布，子像素A所需的显示图像信息an可以通过该重复数组为权重求得，即：
an＝0.000304A2n-9-0.001288A2n-8-0.002083A2n-7+0.008825A2n-6
+0.014279A2n-5-0.060488A2n-4-0.097871A2n-3+0.4145898A2n-2。
+0.6708204A2n-1+0.1583592A2n-0.097871A2n+1-0.023104A2n+2
+0.014279A2n+3+0.0033709A2n+4-0.002083A2n+5-0.000492A2n+6
同理，也可以仅分别考虑子像素B和子像素C来分别确定虚拟像素1所在行的各虚拟像素的虚拟图像信息与各自对应接收的待显示帧的原始图像信息的均方差的最小值，从而分别计算子像素B和C所需的显示图像信息bn和cn。在一个例子中，可以将虚拟像素1所在行的各虚拟像素的虚拟图像信息与各自对应接收的待显示帧的原始图像信息的均方差分别对虚拟像素1中的分量bn或分量cn求导，并分别令导数为零，可以得到虚拟像素1所在行的各子像素B或各子像素C所需的显示图像信息bn和cn，其具体实施与得到虚拟像素1所在行的各子像素A所需的显示图像信息的实施例类似，在此不做赘述。
同理，虚拟像素3和虚拟像素4所在行的各子像素A、各子像素B和各子像素C所需的显示图像信息的获得方法，与得到虚拟像素1所在行的各子像素A、各子像素B和各子像素C所需的显示图像信息的实施例类似，在此不做赘述。
并且，由于图3中的虚拟像素1、2、3和4为一重复组，因此，显示面板中其他奇数行的各子像素所需的显示图像信息与虚拟像素1所在行的各子像素所需的显示图像信息获取方法相同，显示面板中其他偶数行的各子像素所需的显示图像信息与虚拟像素3所在行的各子像素所需的显示图像信息获取方法相同，在此不做赘述。
在具体实施时，本公开实施例提供的上述显示方法中的步骤S204在确定每个原始像素中各子像素所需的显示图像信息之后，如图7所示，还可以包括以下步骤：
S206、利用低通滤波器对确定出的每个原始像素中各子像素所需的显示图像信息进行低通滤波。
例如：可以利用如下滤波器：
Figure PCTCN2014090879-appb-000018
对确定出的虚拟像素1所在行的各原始像素中各子像素所需的显示图像信息进行低通滤波，这样可以降低虚拟像素1所在行的各原始像素中各子像素所需的显示图像的彩色混叠效应。
当然，也可以同时使用其他类似的滤波器，以共同改善显示图像的品质，在此不做限定。
基于同一发明构思，本公开实施例还提供了一种图像的显示装置，由于该装置解决问题的原理与前述一种图像的显示方法相似，因此该装置的实施可以参见方法的实施，重复之处不再赘述。
本公开实施例还提供了一种图像的显示装置，如图8所示，包括：显示面板81和驱动装置82；其中，驱动装置82，包括：
信息接收单元821，用于接收待显示帧的原始图像信息；
像素划分单元822，用于按照待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素；其中，每个虚拟像素包含每个原始像素中的部分子像素；
第一确定单元823，用于根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；
第二确定单元824，用于根据确定出的每个虚拟像素的虚拟图像信息以及原始图像信息，按照每个虚拟像素的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；
图像显示单元825，用于根据确定出的每个原始像素中各子像素所需的显示图像信息以及所需显示的图像分辨率进行显示。
由于在两点间的距离相对于人眼的视角足够小时，人眼会将该两点视为一点，因此，人眼可以将属于不同像素的多个相邻的子像素视为一个亮点。基于此，本公开实施例提供的上述图像的显示装置，像素划分单元按照待显示帧的所需显示的图像分辨率，将每个原始像素划分为多个虚拟像素；第一确定单元根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中各子像素的权重以及接收的待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；这样，每个虚拟像素借用行相邻的虚拟像素中各子像素来显示本身缺少的颜色，可以实现与每个原始像素同样的显示功能，从而提高了待显示帧的图像分辨率；并且，第二确定单元按照确定出的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；图像显示单元根据确定出的显示图像信息和所需显示的图像分辨率显示，还可以更好地还原待显示帧的图像。
在具体实施时，在本公开实施例提供的上述显示装置中，显示面板81中的每个原始像素由色阻颜色不同的多个子像素组成，且行相邻和列相邻的 各子像素的色阻颜色不同。如图3所示，每个原始像素6由色阻颜色不同的三个子像素ABC组成，这三个子像素可以为红色(R)子像素、绿色(G)子像素和蓝色(B)子像素；或者，每个原始像素6也可以由色阻颜色不同的四个或更多个子像素组成，在此不做限定。
在具体实施时，在本公开实施例提供的上述显示装置中，像素划分单元822，具体用于在待显示帧的所需显示的图像分辨率是待显示帧的原始图像分辨率的两倍时，将显示面板中六个按两行排列的子像素划分为四个虚拟像素作为一重复组，在一重复组中各虚拟像素的构成互不相同。如图3所示，在待显示帧的所需显示的图像分辨率是待显示帧的原始图像分辨率的两倍时，将显示面板中六个按两行排列的子像素(如图3所示的虚线框所示)即两个原始像素6划分为四个虚拟像素1、2、3和4作为一重复组，在一重复组中的各虚拟像素的构成互不相同：虚拟像素1包含一个子像素A和半个子像素B，虚拟像素2包含一个子像素C和半个子像素B，虚拟像素3包含一个子像素B和半个子像素C，虚拟像素4包含一个子像素A和半个子像素C。
当然，待显示帧的所需显示的图像分辨率也可以是待显示帧的原始图像分辨率的三倍，此时，需要将显示面板中六个按两行排列的子像素即两个原始像素划分为六个虚拟像素作为一重复组，即每个子像素作为一虚拟像素，在此不做限定。
在具体实施时，可以根据待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素。
需要说明的是，本公开实施例提供的上述显示装置也适用于其他子像素的排布方式，并不局限于如图3所示的子像素的排布方式，在此不做限定。
在具体实施时，在本公开实施例提供的上述显示装置中，第一确定单元823，具体可以包括：第一确定子单元8231，用于根据每个虚拟像素中各子像素所占面积、行相邻的虚拟像素中作为补偿的各子像素所占面积，以及作为补偿的各子像素到被补偿的虚拟像素的距离，确定每个虚拟像素中各子像素的权重和行相邻的虚拟像素中作为补偿的各子像素的权重；第二确定子单元8232，用于根据确定出的每个虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息。
在具体实施时，在本公开实施例提供的上述显示装置中，第二确定单元 824，具体可以包括：第三确定子单元8241，用于根据确定出的每个虚拟像素的虚拟图像信息以及原始图像信息，确定每个虚拟像素的虚拟图像信息和原始图像信息的均方差；第四确定子单元8242，用于在确定出的每个虚拟像素的虚拟图像信息和原始图像信息的均方差最小时，确定每个原始像素中各子像素所需的显示图像信息。
在具体实施时，在本公开实施例提供的上述显示装置中，驱动装置82，还可以包括：低通滤波单元826，用于利用低通滤波器对确定出的每个原始像素中各子像素所需的显示图像信息进行低通滤波。
本公开实施例提供的一种图像的显示方法及显示装置，由于按照待显示帧的所需显示的图像分辨率，将每个原始像素划分为多个虚拟像素；根据每个虚拟像素中各子像素的权重、行相邻的虚拟像素中各子像素的权重以及接收的待显示帧的原始图像信息，确定在显示待显示帧的图像时每个虚拟像素的虚拟图像信息；这样，每个虚拟像素借用行相邻的虚拟像素中各子像素显示本身缺少的颜色，可以实现与每个原始像素同样的显示功能，从而提高了待显示帧的图像分辨率；并且，由于按照确定出的虚拟图像信息与原始图像信息差异度最小的规则，确定每个原始像素中各子像素所需的显示图像信息；根据确定出的显示图像信息和所需显示的图像分辨率显示，可以更好地还原待显示帧的图像。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。
本申请要求于2014年7月23日递交的中国专利申请第201410351816.9号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。

Claims (11)

  1. 一种图像的显示方法，其特征在于，包括：
    接收待显示帧的原始图像信息；
    按照所述待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素；其中，每个所述虚拟像素包含每个所述原始像素中的部分子像素；
    根据每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息；
    根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，按照每个所述虚拟像素的虚拟图像信息与所述原始图像信息差异度最小的规则，确定每个所述原始像素中各子像素所需的显示图像信息；
    根据确定出的每个所述原始像素中各子像素所需的显示图像信息以及所需显示的图像分辨率进行显示。
  2. 如权利要求1所述的方法，其特征在于，所述按照所述待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素，包括：
    在所述待显示帧的所需显示的图像分辨率是所述待显示帧的原始图像分辨率的两倍时，将显示面板中六个按两行排列的子像素划分为四个虚拟像素作为一重复组，在一重复组中的各所述虚拟像素的构成互不相同，或者
    在所述待显示帧的所需显示的图像分辨率是所述待显示帧的原始图像分辨率的三倍时，将显示面板中六个按两行排列的子像素划分为六个虚拟像素作为一重复组，在一重复组中的各所述虚拟像素的构成互不相同。
  3. 如权利要求1或2所述的方法，其特征在于，所述根据每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息，包括：
    根据每个所述虚拟像素中各子像素所占面积、行相邻的虚拟像素中作为补偿的各子像素所占面积，以及作为补偿的各子像素到被补偿的虚拟像素的 距离，确定每个所述虚拟像素中各子像素的权重和行相邻的虚拟像素中作为补偿的各子像素的权重；
    根据确定出的每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息。
  4. 如权利要求1至3中的任一个所述的方法，其特征在于，所述根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，按照每个所述虚拟像素的虚拟图像信息与所述原始图像信息差异度最小的规则，确定每个所述原始像素中各子像素所需的显示图像信息，包括：
    根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，确定每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差；
    在确定出的每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差最小时，确定每个所述原始像素中各子像素所需的显示图像信息。
  5. 如权利要求1至4中的任一个所述的方法，其特征在于，在确定每个所述原始像素中各子像素所需的显示图像信息之后，还包括：
    利用低通滤波器对确定出的每个所述原始像素中各子像素所需的显示图像信息进行低通滤波。
  6. 一种图像的显示装置，包括：显示面板和驱动装置；其特征在于，所述驱动装置，包括：
    信息接收单元，用于接收待显示帧的原始图像信息；
    像素划分单元，用于按照所述待显示帧的所需显示的图像分辨率，将显示面板中每个原始像素划分为多个虚拟像素；其中，每个所述虚拟像素包含每个所述原始像素中的部分子像素；
    第一确定单元，用于根据每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息；
    第二确定单元，用于根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，按照每个所述虚拟像素的虚拟图像信息与所述原始图像信息差异度最小的规则，确定每个所述原始像素中各子像素所需的显示图像信息；
    图像显示单元，用于根据确定出的每个所述原始像素中各子像素所需的 显示图像信息以及所需显示的图像分辨率进行显示。
  7. 如权利要求6所述的显示装置，其特征在于，所述显示面板中的每个所述原始像素由色阻颜色不同的多个子像素组成，且行相邻和列相邻的各所述子像素的色阻颜色不同。
  8. 如权利要求6或7所述的显示装置，其特征在于，所述像素划分单元，用于在所述待显示帧的所需显示的图像分辨率是所述待显示帧的原始图像分辨率的两倍时，将显示面板中六个按两行排列的子像素划分为四个虚拟像素作为一重复组，在一重复组中的各所述虚拟像素的构成互不相同，或者
    所述像素划分单元，用于在所述待显示帧的所需显示的图像分辨率是所述待显示帧的原始图像分辨率的三倍时，将显示面板中六个按两行排列的子像素划分为六个虚拟像素作为一重复组，在一重复组中的各所述虚拟像素的构成互不相同。
  9. 如权利要求6至8中的任一个所述的显示装置，其特征在于，所述第一确定单元，包括：
    第一确定子单元，用于根据每个所述虚拟像素中各子像素所占面积、行相邻的虚拟像素中作为补偿的各子像素所占面积，以及作为补偿的各子像素到被补偿的虚拟像素的距离，确定每个所述虚拟像素中各子像素的权重和行相邻的虚拟像素中作为补偿的各子像素的权重；
    第二确定子单元，用于根据确定出的每个所述虚拟像素中各子像素的权重、行相邻的虚拟像素中作为补偿的各子像素的权重、以及所述待显示帧的原始图像信息，确定在显示所述待显示帧的图像时每个所述虚拟像素的虚拟图像信息。
  10. 如权利要求6至9中的任一个所述的显示装置，其特征在于，所述第二确定单元，包括：
    第三确定子单元，用于根据确定出的每个所述虚拟像素的虚拟图像信息以及所述原始图像信息，确定每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差；
    第四确定子单元，用于在确定出的每个所述虚拟像素的虚拟图像信息和所述原始图像信息的均方差最小时，确定每个所述原始像素中各子像素所需的显示图像信息。
  11. 如权利要求6至10中的任一个所述的显示装置，其特征在于，所述 驱动装置，还包括：低通滤波单元，用于利用低通滤波器对确定出的每个所述原始像素中各子像素所需的显示图像信息进行低通滤波。
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