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Image processing method and system

An image processing and image technology, applied in the field of image processing, can solve problems such as excessive noise, affecting image quality, enhancement, etc., to achieve the effect of reducing image sharpness and white noise, and improving clarity and smoothness

Inactive Publication Date: 2019-08-06
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The Laplacian operator will also enhance the noise in the image and is more sensitive to noise. Therefore, although the details of the obtained image are enhanced, there are too many noise points, which affects the quality of the image.

Method used

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Embodiment Construction

[0032] Certain terms are used, for example, in the description and claims to refer to particular components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. As mentioned throughout the specification and claims, "comprising" is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect. The following descriptions in the specification are preferred implementation modes for implementing the present invention, but the descriptions are for the purpose of illustrating the general principles of the present invention, and ...

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Abstract

The invention discloses an image processing method and system. The method comprises the following steps of step 1, carrying out neighborhood operation on the pixels except the edge pixels in an imageaccording to a Grunwald-Letniko formula; and step 2, superposing the image after neighborhood operation with an original image. According to the technical scheme, the image sharpness and the white noise points are reduced, and the definition and the smoothness of the image can be improved.

Description

technical field [0001] The present invention relates to the field of image processing, in particular to an image processing method and system. Background technique [0002] Image processing is one of the important research objects in the multimedia field, and it is widely used in devices with display screens such as smart phones, digital cameras, and personal computers. There will be noise in the image obtained from the original shooting, and it is necessary to enhance the useful information in the image through image enhancement technology, so as to improve the visual effect of the image and target a given image application. [0003] Image enhancement technology enhances the overall or local characteristics of the image, makes the original unclear image clear or emphasizes some interesting features, expands the difference between different object features in the image, suppresses uninteresting features, and improves them. Image quality, rich information, enhanced image int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00
CPCG06T2207/10004G06T2207/20192G06T5/73
Inventor 向佐勇高兴宇陈振宇
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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