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A method of image restoration

A repair method and image technology, applied in the field of image processing, can solve problems such as image interference, affecting the acquisition of image information, and human injury.

Active Publication Date: 2021-02-12
SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING
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Problems solved by technology

[0002] With the development of science and technology, people have made great progress in the use of nuclear energy, but it is inevitable to be exposed to strong radiation environments in scientific research. Strong radiation environments will cause serious damage to the human body. Remote sensing technology is often used in engineering Remote operation, the images collected by the current video acquisition system will be seriously disturbed in the strong radiation environment, and irregular strong brightness spots will be randomly generated, which seriously affects people's acquisition of image information

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Embodiment Construction

[0047] The specific implementation manner of the present invention will be described in more detail below with reference to schematic diagrams. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0048] Such as figure 1 As shown, this embodiment provides a method for repairing an image, including

[0049] Step S1: if figure 2As shown, the nuclear radiation image f(x, y) under strong irradiation environment is collected, and there are radiation spot noise points in the nuclear radiation image f(x, y), and the irradiation spot noise points will seriously affect the Acquisition of information in the nuclear radiation image f(x, y).

[0050] Step S2: traverse each pixel of the nuclear radiation image f(x...

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Abstract

The present invention provides an image restoration method, which includes collecting nuclear radiation images in a strong irradiation environment, traversing each pixel of the nuclear radiation images, and using the singularity of pixel values ​​to detect Irradiation spot noise points; then adaptive median filter is used to weaken the irradiation spot noise points, and obtain a smooth image; according to the irradiation spot noise points and the smooth image, the first region to be repaired and The second area to be repaired; the nuclear radiation image is repaired by a variational method with a minimal image gradient to obtain a first repaired image and a second repaired image; image processing of the first repaired image and the second repaired image is carried out fusion. After the radiation spot noise points are extracted, the invention uses the variation technique of the minimal image gradient to realize the repair of the radiation spot noise points, and performs image fusion on the two repaired images, thereby improving the clarity of the images.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to an image restoration method. Background technique [0002] With the development of science and technology, people have made great progress in the use of nuclear energy, but it is inevitable to be exposed to strong radiation environments in scientific research. Strong radiation environments will cause serious damage to the human body. Remote sensing technology is often used in engineering Remote operation, the images collected by the current video acquisition system will be seriously disturbed in the strong radiation environment, and irregular and strong brightness spots will be randomly generated, which seriously affects people's acquisition of image information. Contents of the invention [0003] The purpose of the present invention is to provide an image repair method, which can repair nuclear radiation images acquired in a strong irradiation environment. [0004] I...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T5/00G06T5/50
CPCG06T5/002G06T5/50
Inventor 杨平先董林鹭陈明举熊兴中林国军韩强
Owner SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING