Image restoring method and device

A repair method and image technology, applied in the field of image processing, can solve problems such as poor structural positioning accuracy and inaccurate image repair results, and achieve the effect of improving accuracy and reducing introduction and reproduction

Active Publication Date: 2012-07-11
FOUNDER INTERNATIONAL CO LTD +1
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Problems solved by technology

[0005] Aiming at the image repair process of the related technology, the problem of inaccurate image repair results due to the poor accuracy of structure positioning and the color and structure introduced during image block matchin

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  • Image restoring method and device

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0028] figure 1 is a schematic structural diagram of an image restoration device according to an embodiment of the present invention; figure 2 is based on figure 1 Schematic diagram of structural analysis of gradient incident weights of points to be repaired in the illustrated embodiment.

[0029] like figure 1 As shown, the image repair device includes: a reading module 10, which is used to acquire the first layer of the area to be repaired in the image damage area from the outside to the inside, and read the structure of the known image area adjacent to the first layer of the area to be repaired information and color; estimation module 30, for carrying out gradient analysis and color est...

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Abstract

The invention discloses an image restoring method and device. The method comprises the following steps of: step A, obtaining a first layer region to be restored of an image damaged region from inside to outside, and reading structural information and a color of the known image region which is close to the first layer region to be restored; step B, carrying out gradient analysis and color estimation on the first layer region to be restored according to the structural information and the color of the known image region to obtain gradient information and a color of the first layer region to be restored; step C, taking the gradient information and the color of the first layer region to be restored as initial values to be extended to the first layer region to be restored; step D, carrying out texture synthesis restoration on the first layer region to be restored according to the initial values to obtain a first restoring result; and step E, taking the first restoring result as the known image region to circularly execute the steps A to D until the image damaged region is restored. With the adoption of the image restoring method and device, disclosed by the invention, the structural region can be accurately positioned, the block matching accuracy is improved, and the introduction and the reproduction of error information are reduced.

Description

technical field [0001] The present invention relates to the field of image processing, in particular to an image restoration method and device. Background technique [0002] The image restoration method based on texture synthesis is the mainstream of the current image restoration method because it can effectively repair large damaged areas. The above method uses the unlost information of the image as a training set for deriving the missing information of the image, and finds the most matching samples in the training set to fill in the blank area of ​​the image in a certain order, so as to realize the effective restoration of the image. Among them, the filling order of the image blocks is determined according to how much the known pixels near the area to be filled contain structural components, and the area containing the structure is filled first, and then the flat area is filled. This inpainting sequence of first filling the structure and then filling the flat area strengt...

Claims

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Application Information

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IPC IPC(8): G06T5/00
Inventor 郎咸朋刘文张宏志
Owner FOUNDER INTERNATIONAL CO LTD
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