Ancient painting virtual restoration method and restoration model construction method
A virtual repair and construction method technology, applied in the field of image processing, can solve the problems of holes and dependence in complex structures that cannot be repaired, achieve good subjective and objective effects, good convolution coefficients, and improve the effect of image repair
Pending Publication Date: 2021-06-25
NORTHWEST UNIV(CN)
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[0005] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a virtual restoration model construction of ancient paintings and a virtual restoration method of ancient paintings, which solves the technology in the prior art that cannot repair holes in complex structures due to relying on low-level image features question
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Embodiment 1
[0055] This embodiment provides a method for constructing a virtual restoration model of ancient paintings, such as figure 1 As shown, the method includes the following steps:
[0056] Step 1. Obtain a public large-scale natural image dataset; collect multiple ancient paintings to obtain an ancient painting dataset;
[0057] In this embodiment, a large natural image such as Figure 5 As shown in (a), select an ancient painting such as Image 6 (a) and Image 6 as shown in (e);
[0058] Step 2, perform random mask generation processing on the binary numbers 0 and 1 representing black and white colors, and generate an irregular mask data set, which is used to simulate the damaged area of the complete image in the image input set during network model training;
[0059] In this embodiment, an irregular mask such as Figure 5 As shown in (b), the damaged area of the complete image in the image input set during the simulated network model training is as follows: Figure 5 ...
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The invention provides an ancient painting virtual restoration model construction method and an ancient painting virtual restoration method, and the method comprises the steps of training a pre-constructed ancient painting virtual restoration network model to obtain a trained ancient painting virtual restoration network model M2; acquiring a damaged ancient painting image; making a binary mask corresponding to the damaged ancient painting image; and inputting the acquired damaged ancient painting image and the binary mask describing the damaged area into the trained ancient painting virtual restoration model M2, and outputting an image restoration result. Experimental result comparison shows that the ancient painting virtual restoration method adopted by the invention can effectively predict the pixel value of the damaged hole, reconstructs a high-quality ancient painting image, and has better subjective and objective effects.
Description
technical field [0001] The invention belongs to the field of image processing, and relates to virtual restoration of ancient paintings, in particular to a virtual restoration model construction of ancient paintings and a virtual restoration method of ancient paintings. Background technique [0002] With the advancement of science and technology, the research on the digital protection and inheritance of cultural relics has become one of the research hotspots in the world today. Damaged ancient paintings have seriously affected the appreciation and inheritance of cultural heritage represented by paintings. The key technical problem that needs to be solved urgently in the study of true digitalization is also the premise for the subsequent appreciation and inheritance of painting images, but this problem has not been fully resolved so far. Although there are many existing literatures reporting a variety of digital image restoration methods, almost none of them involve the restor...
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IPC IPC(8): G06T5/00G06N3/04G06N3/08G06K9/62
CPCG06N3/04G06N3/086G06F18/214G06T5/77Y02P90/30
Inventor 彭进业赵华宇彭先霖章勇勤李展王珺乐明楠张群喜杨蕊梁海达
Owner NORTHWEST UNIV(CN)