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Image processing method and image processing device

A technology of image processing and target image, applied in the direction of instruments, static indicators, etc., can solve problems such as difficult to achieve high resolution and high definition, blurred images, etc.

Active Publication Date: 2018-07-20
XIAN NOVASTAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the content disclosed in the invention patent application is to eliminate color errors by constructing filters for each primary color of the original image, which may blur the image and make it difficult to achieve high-resolution and high-definition effects
[0006] Therefore, at present, in the field of LED display, there is no LED display method that can really combine the improvement of image resolution with the elimination of color errors to achieve high definition and high resolution.

Method used

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Examples

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no. 1 example

[0084] Hypothetically for figure 2 The physical sub-pixel rectangular arrangement shown, the data obtained after sub-pixel downsampling is as follows Figure 8 shown. Figure 8 Among them, G1 and G2 represent the green data in the three primary color data from different original pixels in the original image; then after sub-pixel down-sampling, the specific complementary color scheme as described below can be adopted:

[0085] (1 pair Figure 8 Complementary color processing for sub-pixel red data R[i, j]: divide a pixel block containing R[i, j] and at least one B and at least one G (G1 or G2) adjacent to it, for example Figure 9a For the Jiugongge pixel block (3×3 pixel block) shown on the left, the initial value of the sub-pixel red data R[i, j] is R0 and the original image corresponding to the sub-pixel red data R[i, j] The two unsampled color data in the three primary color data of the original pixel [i, j], that is, the green data and the blue data are G0 and B0 respe...

no. 2 example

[0179] Hypothetically for image 3 The physical sub-pixel triangle arrangement shown, the data obtained after sub-pixel downsampling is as follows Figure 10 As shown, the specific complementary color scheme as follows can be adopted after sub-pixel down-sampling:

[0180] 【Odd-numbered line complementary color processing scheme】:

[0181] (1 pair Figure 10 Complementary color processing of odd-numbered rows of sub-pixel red data R[i, j]: divide a pixel block containing R and at least one B and at least one G adjacent to it, for example Figure 11a For the Jiugongge pixel block (3×3 pixel block) shown on the left, the initial value of the sub-pixel red data R[i, j] is R0 and the original image corresponding to the sub-pixel red data R[i, j] The unsampled color data in the three primary color data of the original pixel [i, j], that is, the green data and the blue data are G0 and B0 respectively; for the convenience of explanation, Figure 11a The central sub-pixel red data...

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Abstract

The invention relates to an image processing method and an image processing device. The image processing method comprises the steps of acquiring a plurality of pieces of sub-pixel color data which is obtained through carrying out sub-pixel down-sampling on an original image and correspond to each physical pixel in a plurality of physical pixels of a display panel, wherein the original image comprises a plurality of original pixels, and each original pixel comprises corresponding multi-primary color data; and carrying out color complementing treatment on the plurality of pieces of sub-pixel color data of the plurality of physical pixels according to a specific algorithm to acquire color complementing treated sub-pixel color data corresponding to each physical pixel so as to generate target image data for the display panel to carry out image display. According to the invention, the specific sub-pixel color data color complementing treatment algorithm is adopted to carry out color complementing treatment on the sub-pixel color data obtained by performing down-sampling on sub-pixels, thereby being capable of effectively improving the image resolution, and eliminating a color error caused by a sub-pixel down-sampling technology under the condition of not affecting the image definition.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to an image processing method and an image processing device. Background technique [0002] Display technology is one of the most critical parts of the technology contained in the information industry. LED (Light Emitting Diode, light-emitting diode) display system, as a new display technology, has gradually been accepted by the market due to its advantages of energy saving, environmental protection, and high brightness. It is used in urban media, urban transportation and other fields. [0003] The pursuit of display quality such as high-resolution display is the constant pursuit of the LED display industry. [0004] Most of the existing LED display screens use three-color display technology, and only traditional sampling technology is used to improve the resolution, mainly by increasing the density and scale of physical pixels to improve the resolution. The cost of this ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/32
Inventor 赵小明杨城
Owner XIAN NOVASTAR TECH
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