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Mural image color restoration method and device

An image and mural technology, which is applied in the field of mural image color restoration method and device, can solve the problems of poor color restoration effect of mural image, achieve the effects of improving accuracy, good overall restoration effect, and overcoming transitional deformation

Pending Publication Date: 2020-09-18
LANZHOU UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0003] In order to solve the problem that the color restoration effect of the mural image is poor at present, the embodiment of the present application provides a method and device for the color restoration of the mural image. The color restoration method of the mural image of the present application has a better overall restoration of the faded and discolored area of ​​the mural image effect, can overcome the transition deformation of color, and improve the accuracy of color restoration of mural images

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  • Mural image color restoration method and device
  • Mural image color restoration method and device
  • Mural image color restoration method and device

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Embodiment Construction

[0051] The present application will be further introduced below in conjunction with the accompanying drawings and embodiments.

[0052] In the following introduction, the terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance. The following description provides multiple embodiments of the present invention, and different embodiments can be replaced or combined in combination, so this application can also be considered to include all possible combinations of the same and / or different embodiments described. Thus, if one embodiment contains features A, B, C, and another embodiment contains features B, D, then the application should also be considered to include all other possible combinations containing one or more of A, B, C, D Although this embodiment may not be clearly written in the following content.

[0053] The following description provides examples, and does not limit the scope,...

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Abstract

The invention provides a mural image color restoration method and device. The method comprises the steps of obtaining a to-be-restored mural image and a reference mural image; extracting color features of the to-be-restored mural image and the reference mural image; performing semantic segmentation on the to-be-restored mural image and the reference mural image to obtain a first label block of theto-be-restored mural image and a second label block of the reference mural image; searching a target label block of which the similarity with the first label block satisfies a second threshold in thesecond label block, and performing color restoration on the mural image to be restored according to the target label block to obtain a first color restored image; minimizing the Euclidean distance between the first color restoration image and the mural image to be restored to obtain a second color restoration image; and performing noise suppression processing on the second color restoration image. The method and device have a good overall restoration effect on the fading and discoloring area of the mural image, can overcome the excessive deformation of colors, and improve the color restoration accuracy of the mural image.

Description

technical field [0001] The invention relates to the field of mural painting restoration, in particular to a method and device for restoring mural image color. Background technique [0002] The color restoration of the mural image is to restore the color of the faded / discolored mural image using image processing technology. In the process of color restoration of mural images, because mural images use rich and varied paints, traditional color restoration methods for natural images cannot restore mural images well, and the restoration effect is poor. Contents of the invention [0003] In order to solve the problem that the color restoration effect of the mural image is poor at present, the embodiment of the present application provides a method and device for the color restoration of the mural image. The color restoration method of the mural image of the present application has a better overall restoration of the faded and discolored area of ​​the mural image The effect can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T5/30G06T7/136G06T7/90G06N3/04G06K9/34
CPCG06T7/90G06T5/30G06T7/136G06V10/267G06N3/045G06T5/70
Inventor 朱红蕾尹文玉徐志刚
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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