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A method for enlarging an image and a system corresponding to the method

A technology for enlarging images and original images. It is used in image data processing, graphic image conversion, instruments, etc., and can solve problems such as insufficient clarity and naturalness of images.

Active Publication Date: 2015-09-23
FUZHOU ROCKCHIP SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] When our inventors were working in the field of super-resolution, they found that the existing technology still has the problem that the enlarged image is not clear and natural enough

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  • A method for enlarging an image and a system corresponding to the method
  • A method for enlarging an image and a system corresponding to the method
  • A method for enlarging an image and a system corresponding to the method

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Embodiment Construction

[0035] In order to explain in detail the technical content, structural features, achieved goals and effects of the technical solution, the following will be described in detail in conjunction with specific embodiments and accompanying drawings.

[0036] What the present invention will introduce is a method for enlarging images, including figure 1 The following steps are shown, step S101 enlarges the original image to obtain the target image; then proceeds to S102 to traverse the pixels in the target image, and judges that the block where the pixel is located belongs to an edge block, a flat block or a texture-rich block; according to the judgment result of S102 , there are multiple ways of corresponding processing; if it is judged to belong to a flat block, proceed to step S103 without processing; if it is judged to belong to an edge block, then proceed to step S104, take the pixels within a certain neighborhood of the pixel as the first target window, and Find a matching wind...

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Abstract

The invention discloses a method for enlarging an image and a system corresponding to the method. The method comprises the following steps: a target image is obtained by means of enlarging an original image; pixels in the target image are transversed to determine whether the pixels belong to an edge block, a flat block or a block rich in textures; if the pixels belong to the flat block, processing will not be carried out; if the pixels are determined to belong to the edge block, the pixels in a certain neighborhood scope of the above pixels are regarded as a first target window; a matching window is searched in the original image, and then high frequency information on the matching window is superposed on the first target window; and if the pixels belong to the block rich in textures, the pixels in a certain neighborhood scope of the above pixels are regarded as a second target window, and enhancing of the second target window is carried out.

Description

technical field [0001] The invention relates to the field of image enlargement, in particular to a method for displaying super-resolution images. Background technique [0002] With LCD TVs, computer screens and other monitors getting bigger and bigger, sometimes the resolution of the signal transmission content is not enough to meet the pixel display needs of the monitor. Occupying a small piece in the middle of the display, the edges of the display are mostly displayed with black borders, which obviously reduces the user's viewing experience. [0003] In order to solve the above problems, it is necessary to enlarge and display the transmitted image signal. However, there will be many out-of-the-box pixels in the enlarged image. These pixels do not exist objectively, but what the computer thinks they "should exist", that is, the computer Calculate and display the possible pixel values ​​of the newborn area through algorithms such as mean or difference. These blunt algorith...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40
CPCG06T3/40
Inventor 何平征游生福
Owner FUZHOU ROCKCHIP SEMICON