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High-fidelity digital repairing method for colors of fading color mural

A restoration method and high-fidelity technology, applied in the field of historical and cultural heritage protection, can solve the problems of lack of scientificity and accuracy

Active Publication Date: 2021-07-23
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It effectively solves the limitations of the scientific and insufficient accuracy of the current restoration technology for the color restoration of faded color murals

Method used

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  • High-fidelity digital repairing method for colors of fading color mural
  • High-fidelity digital repairing method for colors of fading color mural
  • High-fidelity digital repairing method for colors of fading color mural

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Embodiment Construction

[0066] When the technical solution of the present invention is specifically implemented, it can be run by those skilled in the art using computer software technology. In conjunction with the accompanying drawings, the specific description of the embodiments of the present invention is provided as follows.

[0067] Such as figure 1 As shown, the embodiment provides a high-fidelity digital restoration method of fading color murals, which can effectively solve the limitations of the current method, improve the comprehensiveness of the ancient mural color restoration method, and be used in the field of ancient mural protection. Embodiment Taking the mural of the Fahuajing Bian figure on the right side of the east wall of Cave 329 in Dunhuang Mogao Grottoes as the experimental object, create a database of Dunhuang mural pigment samples, obtain the spectrum image of the mural of the figure of the Fahua Sutra on the right side of the east wall of Cave 329, and carry out the method o...

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Abstract

The invention discloses a high-fidelity digital repairing method for colors of a fading color mural, which comprises the following steps: taking a comprehensive mural pigment database consisting of a basic pigment sample used by the mural, a fading simulation experiment sample and a mixed pigment sample constructed by a double-constant Kubelka-Munk theory as a reference basis for mural pigment identification; obtaining a visible spectrum image of the ancient mural; rendering the visible spectrum image to obtain a corresponding color RGB image; performing fine segmentation on the color RGB image by using a deep learning segmentation model unet; calculating representative average spectral reflectivity of each sub-region, and extracting spectral features of each sub-region; performing pigment identification analysis on each sub-region in a feature matching mode; according to a pigment identification result and the representative average spectral reflectivity of each sub-region, performing color high-fidelity repair on each sub-region; by setting a tracking parameter alpha, realizing simulated reproduction of the fading of the color mural; and finally, completing high-fidelity digital repairing of the color of the fading color mural.

Description

technical field [0001] The invention belongs to the technical field of historical and cultural heritage protection, and in particular relates to a high-fidelity digital restoration method for faded and discolored mural colors. Background technique [0002] Our country has a large number of artworks and cultural relics, such as painted murals, ancient paintings, unearthed costumes, painted scriptures, etc. They are an important part of ancient Chinese civilization. These ancient cultural relics contain ancient Chinese politics, economy, culture, science and technology and production. Important historical information such as technological development carries splendid civilization and inherits historical culture. It is a precious resource for studying ancient humanities, sociology, aesthetics and natural sciences in my country. Color information is an important carrier for the expression and transmission of historical and cultural attributes of cultural relics. However, due to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/11G06T7/90G06F16/583G06N3/08G06N3/04
CPCG06T7/11G06T7/90G06F16/5838G06N3/08G06N3/045G06T5/92
Inventor 梁金星刘安平辛磊
Owner WUHAN TEXTILE UNIV
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