CN111243062A - Manufacturing method for converting planar mural into three-dimensional high-definition digital mural - Google Patents
Manufacturing method for converting planar mural into three-dimensional high-definition digital mural Download PDFInfo
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Abstract
The invention relates to a manufacturing method for converting a planar mural into a three-dimensional high-definition digital mural, which is implemented according to the following steps: step 1, dividing a mural raw material into a plurality of plot units, respectively collecting mural images and uploading the mural images to a database; step 2, repairing the mural; step 3, splicing the murals, extracting features aiming at the content of the murals, and layering; step 4, inputting the layered contents into a conversion system one by one, and quickly generating a three-dimensional model with texture information; and 5, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, and manufacturing the three-dimensional high-definition digital murals. Through adopting above-mentioned technical scheme, turn into three-dimensional digital mural painting with plane mural painting, when making the mural painting more lively, through the digitization, need not to occupy the entity space, and can duplicate, conveniently preserve, more synthesize the mural painting content simultaneously and present in the audience directly perceivedly, aim at improving audience's visual experience.
Description
Technical Field
The invention belongs to the technical field of murals, and particularly relates to a manufacturing method for converting a planar mural into a three-dimensional high-definition digital mural.
Background
As a large cultural relic country in China, the work of preservation, research, repair and the like of the cultural relic is always a problem which is difficult to solve, and many cultural relics cannot be repaired in time and cannot be displayed or even finally damaged. With the rapid development of computer image processing technology, the application of digital image restoration technology in the field of mural restoration and protection is increasingly widespread.
At present, research on digital image restoration technology mainly focuses on algorithms, and although some progress has been made in application research of the digital image restoration technology in recent years, most applications are included in other software as plug-ins with simple functions. How to utilize the digital technology to better interact with the masses in the display link and enhance the freshness and interest of the masses to the murals is the next research direction.
Disclosure of Invention
In summary, in order to overcome the defects of the prior art, the invention provides a manufacturing method for converting a planar mural into a three-dimensional high-definition digital mural.
In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing method for converting a planar mural into a three-dimensional high-definition digital mural is implemented according to the following steps: step 1, dividing a mural raw material into a plurality of plot units, respectively collecting mural images and uploading the mural images to a database; step 2, repairing the mural; step 3, splicing the murals, extracting features aiming at the content of the murals, and layering; step 4, inputting the layered contents into a conversion system one by one, and quickly generating a three-dimensional model with texture information; and 5, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, and manufacturing the three-dimensional high-definition digital murals.
Through adopting above-mentioned technical scheme, compare in prior art, this technical scheme passes through the digital technology when realizing the mural restoration, turn into three-dimensional digital mural painting with plane mural painting, when making the mural painting more lively, through the digitization, need not to occupy the physical space, and can duplicate, convenient the saving, and can not have the condition that the disease relapse as the solid mural painting, make three-dimensional model into the three-dimensional high definition digital mural painting of circular screen simultaneously, present the mural content more comprehensively directly perceivedly in the audience, the visual experience of looking at improvement audience.
The invention further provides that the step 1 comprises the following steps: step 11, dividing the image into a plurality of unit fresco according to the composition of the image; step 12, acquiring image information of the unit murals by a mural high-definition microspur digital acquisition device; step 13, carrying out digital scanning on the acquired image to obtain a digital image; and step 14, preprocessing the digital image and uploading the digital image to a database, wherein the preprocessing comprises cutting, rotating and mirroring.
Through adopting above-mentioned technical scheme, can carry out orderly high definition collection to the mural, divide into orderly part collection to the mural, can make each part of mural all very clear, carry out the reducible aberration of image information collection to the unit mural through mural high definition microspur digital acquisition device simultaneously, make things convenient for the former physiognomy of later stage reduction mural, reduce the later stage preparation degree of difficulty.
The invention further provides that the step 2 comprises the following steps: step 21, checking the unit murals, and classifying the unit mural data with the diseases into an area to be repaired; step 22, classifying the unit mural data with the diseases into a color-changing fading group, a cracking nail-raising group, a crisp alkali powdering group and a hollowing shedding group according to the types of the diseases; step 23, according to different groups, corresponding digital repair is carried out; and 24, transferring the repaired unit mural data to a completion area.
By adopting the technical scheme, the unit mural data are classified according to different types of diseases, and then the corresponding repairing method is selected, so that the effect is better, and the efficiency is higher.
The invention further provides that step 23 comprises the following steps: 231, entering a color changing and fading group, layering a color recovery independent layer through an image processing software photoshop, and performing digital painting repair or color restoration on the mural according to the contrast data at the same time; step 232, entering a cracking starting group, performing layer shearing and backup on the cracking starting position through an image processing software photoshop, and then performing digital filling repair; step 233, entering a crisp alkali powdering group, performing layer shearing and backup on a crisp alkali powdering part through an image processing software photoshop, printing and outputting on paper, recovering a mural through hand drawing, scanning and uploading, and then re-combining with other layers after adjustment; and step 234, entering a hollowing and dropping group, confirming that the image has deformation or deficiency and deficiency, and repairing the image of the deficiency part by an image completion algorithm.
By adopting the technical scheme, common diseases are repaired by different digital means according to the types of the common diseases, and only the work is carried out according to the flow, so that the technical difficulty of repair is reduced to a certain extent, the repair quality is improved, and the work efficiency is greatly improved.
The invention further provides that the step 3 comprises the following steps: step 31, splicing wall paintings; step 32, layering according to the mural content extraction elements; and step 33, denoising each layered element.
By adopting the technical scheme, after splicing, one of the elements, such as the character element and the background element, is extracted according to the mural content to carry out image layering, and then denoising processing is carried out on the element images in different layers, so that the element images are clearer and post-production is facilitated.
The invention further provides that the step 31 comprises the following steps: 311, splicing and fusing the unit murals by using a panoramic splicing technology; step 312, checking and positioning the splicing position with the problems of image picture discontinuity, image splicing dislocation and the like through artificial intelligence detection, and classifying the splicing position into a correction selection area; and 313, automatically optimizing the images in the correction selection area.
By adopting the technical scheme, the defects are detected and repaired through artificial intelligence, the image repairing quality and the image repairing specialty are improved, and meanwhile, the mutual splicing positions of the unit fresco are optimized through a system, so that the fresco has better image continuity.
The invention further provides that the step 4 comprises the following steps: step 41, inputting the layered elements into a conversion system to obtain a boundary diagram; step 42, applying a region filling algorithm to the optimized boundary graph to obtain a plurality of closed regions, and generating corresponding three-dimensional grids for the closed regions; step 43, finding the edge information of each closed area, and then applying a Delaunay triangulation algorithm with constraint consistency to obtain a plurality of discrete vertexes in the area; step 44, calculating the expansion height of the discrete vertex in the three-dimensional mesh, and converting the linear distance value D (x) in the distance map into an expansion height value by using a round-trip mapping function; and step 45, taking the corresponding area of the closed area in the two-dimensional image as the texture of the three-dimensional grid, obtaining a corresponding rendering effect by applying a stylized rendering mode, and forming a complete three-dimensional model with texture information by combining a plurality of three-dimensional grids.
By adopting the technical scheme, the two-dimensional mural can be quickly generated into the three-dimensional model with the texture information. Meanwhile, compared with the prior art, the method is simple to operate and high in efficiency, and meanwhile, the three-dimensional experience of a user can be improved.
According to a further configuration of the present invention, the step 41 includes the following steps: step 411, converting the layered elements of the two-dimensional image from an RGB color space to an HSV color space; step 412, applying an adaptive threshold algorithm to the S channel to obtain an initialized boundary map; step 413, removing pixels not belonging to the boundary map; and 414, eliminating small holes and areas in the boundary graph through morphological opening and closing operations to obtain the optimized boundary graph.
By adopting the technical scheme, the boundary graph is obtained through the algorithm, the efficiency is improved, the boundary positioning is more accurate, and the difficulty of post-processing is reduced.
The invention further provides that the step 5 comprises the following steps: step 51, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, dividing the three-dimensional model into a scene model, a role model and a prop model, and after setting a role expression mode and a role action route, operating by an operation module according to the setting to automatically generate a complete animation lens; step 52, after setting relevant shooting parameters, adjusting the position and focus of the virtual 3D camera to finish shooting of the 3D virtual animation image; step 53, simply rendering the 3D virtual animation image, previewing the rendered image, and controlling the rendering node to perform formal rendering through the management node after the correctness is confirmed; step 54, the management node comprises a rendering node setting module, a lens database processing module and a lens animation editing module, wherein the rendering node setting module is used for selecting rendering nodes and distributing rendering tasks, the lens database processing module is used for controlling the rendering nodes to select renderer software, the lens animation editing module is used for controlling the rendering nodes to render animation files to be rendered by using the renderer software, and the management node dynamically distributes the rendering tasks to the rendering nodes through a network; and step 55, the rendering node generates an operation script according to the rendering task, calls appropriate renderer software, completes the rendering operation work of the 3D virtual animation image, generates a 3D stereo animation, and stores the 3D stereo animation on a storage device.
By adopting the technical scheme, the problems of visual angle limitation, observation point limitation, stereoscopic vision discomfort and the like caused by the common stereoscopic film production technology are solved by completely simulating the stereoscopic vision principle of a human body. Meanwhile, the imaging surface of the virtual camera in the three-dimensional computer is infinitely close to the real human visual imaging surface, and the three-dimensional computer has high imitative property and human-computer friendliness, so that 360-degree all-around stereoscopic visual experience is brought, the picture is continuous, the simulation degree is high, the depth is strong, a viewer is integrated into a film, and great impact is generated.
The invention is further provided that the mural raw materials comprise planar murals such as a theater mural, a temple mural and the like.
By adopting the technical scheme, the precious resources which prove history are seen with the public again in a brand-new practical mode, the charm of the mural painting can be experienced by the user personally on the scene while the mural painting resources are protected, the interest of the public on the mural painting is increased, and the propaganda on the mural painting is played.
The following describes embodiments of the present invention with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a flow chart of step 1 of the present invention;
FIG. 3 is a flow chart of step 2 of the present invention;
FIG. 4 is a flowchart of step 23 of the present invention;
FIG. 5 is a flow chart of step 4 of the present invention;
FIG. 6 is a flow chart of step 5 of the present invention.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Referring to the attached drawings, a manufacturing method for converting a planar mural into a three-dimensional high-definition digital mural is implemented according to the following steps: step 1, dividing a mural raw material into a plurality of plot units, respectively collecting mural images and uploading the mural images to a database; step 2, repairing the mural; step 3, splicing the murals, extracting features aiming at the content of the murals, and layering; step 4, inputting the layered contents into a conversion system one by one, and quickly generating a three-dimensional model with texture information; and 5, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, and manufacturing the three-dimensional high-definition digital murals.
In the technical scheme of the invention, the mural raw materials comprise planar murals such as the theater murals, the temple murals and the like, the mural contents are mostly drama stories, and the mural stories are divided according to the dramas, so that the later-stage animation production is facilitated.
In this embodiment, the step 1 further includes the following steps: step 11, dividing the image into a plurality of unit fresco according to the composition of the image; step 12, acquiring image information of the unit murals by a mural high-definition microspur digital acquisition device; step 13, carrying out digital scanning on the acquired image to obtain a digital image; and step 14, preprocessing the digital image and uploading the digital image to a database, wherein the preprocessing comprises cutting, rotating and mirroring.
In this embodiment, the step 2 further includes the following steps: step 21, checking the unit murals, and classifying the unit mural data with the diseases into an area to be repaired; step 22, classifying the unit mural data with the diseases into a color-changing fading group, a cracking nail-raising group, a crisp alkali powdering group and a hollowing shedding group according to the types of the diseases; step 23, according to different groups, corresponding digital repair is carried out; and 24, transferring the repaired unit mural data to a completion area.
The embodiment further provides that the step 23 includes the following steps: 231, entering a color changing and fading group, layering a color recovery independent layer through an image processing software photoshop, and performing digital painting repair or color restoration on the mural according to the contrast data at the same time; step 232, entering a cracking starting group, performing layer shearing and backup on the cracking starting position through an image processing software photoshop, and then performing digital filling repair; step 233, entering a crisp alkali powdering group, performing layer shearing and backup on a crisp alkali powdering part through an image processing software photoshop, printing and outputting on paper, recovering a mural through hand drawing, scanning and uploading, and then re-combining with other layers after adjustment; and step 234, entering a hollowing and dropping group, confirming that the image has deformation or deficiency and deficiency, and repairing the image of the deficiency part by an image completion algorithm.
In this embodiment, the step 3 further includes the following steps: step 31, splicing wall paintings; step 32, layering according to the mural content extraction elements; and step 33, denoising each layered element.
The embodiment further provides that the step 31 includes the following steps: 311, splicing and fusing the unit murals by using a panoramic splicing technology; step 312, checking and positioning the splicing position with the problems of image picture discontinuity, image splicing dislocation and the like through artificial intelligence detection, and classifying the splicing position into a correction selection area; and 313, automatically optimizing the images in the correction selection area.
In this embodiment, the step 4 further includes the following steps: step 41, inputting the layered elements into a conversion system to obtain a boundary diagram; step 42, applying a region filling algorithm to the optimized boundary graph to obtain a plurality of closed regions, and generating corresponding three-dimensional grids for the closed regions; step 43, finding the edge information of each closed area, and then applying a Delaunay triangulation algorithm with constraint consistency to obtain a plurality of discrete vertexes in the area; step 44, calculating the expansion height of the discrete vertex in the three-dimensional mesh, and converting the linear distance value D (x) in the distance map into an expansion height value by using a round-trip mapping function; and step 45, taking the corresponding area of the closed area in the two-dimensional image as the texture of the three-dimensional grid, obtaining a corresponding rendering effect by applying a stylized rendering mode, and forming a complete three-dimensional model with texture information by combining a plurality of three-dimensional grids.
The embodiment further provides that the step 41 includes the following steps: step 411, converting the layered elements of the two-dimensional image from an RGB color space to an HSV color space; step 412, applying an adaptive threshold algorithm to the S channel to obtain an initialized boundary map; step 413, removing pixels not belonging to the boundary map; and 414, eliminating small holes and areas in the boundary graph through morphological opening and closing operations to obtain the optimized boundary graph.
In this embodiment, the step 5 further includes the following steps: step 51, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, dividing the three-dimensional model into a scene model, a role model and a prop model, and after setting a role expression mode and a role action route, operating by an operation module according to the setting to automatically generate a complete animation lens; step 52, after setting relevant shooting parameters, adjusting the position and focus of the virtual 3D camera to finish shooting of the 3D virtual animation image; step 53, simply rendering the 3D virtual animation image, previewing the rendered image, and controlling the rendering node to perform formal rendering through the management node after the correctness is confirmed; step 54, the management node comprises a rendering node setting module, a lens database processing module and a lens animation editing module, wherein the rendering node setting module is used for selecting rendering nodes and distributing rendering tasks, the lens database processing module is used for controlling the rendering nodes to select renderer software, the lens animation editing module is used for controlling the rendering nodes to render animation files to be rendered by using the renderer software, and the management node dynamically distributes the rendering tasks to the rendering nodes through a network; and step 55, the rendering node generates an operation script according to the rendering task, calls appropriate renderer software, completes the rendering operation work of the 3D virtual animation image, generates a 3D stereo animation, and stores the 3D stereo animation on a storage device.
The embodiment is further provided, the mural raw materials comprise planar murals such as a theater mural, a temple mural and the like.
In the technical scheme of the invention, the planar mural is converted into the three-dimensional mural, and the three-dimensional mural is displayed in front of the public through a three-dimensional animation technology, wherein the animation form is a dynamic mural lens, belongs to three-dimensional animation, and emphasizes the plot continuity and the dynamics of the mural content.
The present invention has been described above by way of illustration in the drawings, and it will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, and various changes, modifications and substitutions may be made without departing from the scope of the present invention.
Claims (10)
1. A manufacturing method for converting a planar mural into a three-dimensional high-definition digital mural is characterized by comprising the following steps: step 1, dividing a mural raw material into a plurality of plot units, respectively collecting mural images and uploading the mural images to a database; step 2, repairing the mural; step 3, splicing the murals, extracting features aiming at the content of the murals, and layering; step 4, inputting the layered contents into a conversion system one by one, and quickly generating a three-dimensional model with texture information; and 5, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, and manufacturing the three-dimensional high-definition digital murals.
2. The method for making the planar mural transformed into the stereoscopic high-definition digital mural according to claim 1, wherein the step 1 comprises the following steps: step 11, dividing the image into a plurality of unit fresco according to the composition of the image; step 12, acquiring image information of the unit murals by a mural high-definition microspur digital acquisition device; step 13, carrying out digital scanning on the acquired image to obtain a digital image; and step 14, preprocessing the digital image and uploading the digital image to a database, wherein the preprocessing comprises cutting, rotating and mirroring.
3. The method for making the planar mural painting converted into the stereoscopic high-definition digital mural painting according to claim 2, wherein the step 2 comprises the following steps: step 21, checking the unit murals, and classifying the unit mural data with the diseases into an area to be repaired; step 22, classifying the unit mural data with the diseases into a color-changing fading group, a cracking nail-raising group, a crisp alkali powdering group and a hollowing shedding group according to the types of the diseases; step 23, according to different groups, corresponding digital repair is carried out; and 24, transferring the repaired unit mural data to a completion area.
4. The method for making a high definition digital mural painting capable of transforming a plane mural painting into a stereo according to claim 3, wherein the step 23 comprises the following steps: 231, entering a color changing and fading group, layering a color recovery independent layer through an image processing software photoshop, and performing digital painting repair or color restoration on the mural according to the contrast data at the same time; step 232, entering a cracking starting group, performing layer shearing and backup on the cracking starting position through an image processing software photoshop, and then performing digital filling repair; step 233, entering a crisp alkali powdering group, performing layer shearing and backup on a crisp alkali powdering part through an image processing software photoshop, printing and outputting on paper, recovering a mural through hand drawing, scanning and uploading, and then re-combining with other layers after adjustment; and step 234, entering a hollowing and dropping group, confirming that the image has deformation or deficiency and deficiency, and repairing the image of the deficiency part by an image completion algorithm.
5. The method for making the planar mural painting converted into the stereoscopic high-definition digital mural painting according to claim 1, wherein the step 3 comprises the following steps: step 31, splicing wall paintings; step 32, layering according to the mural content extraction elements; and step 33, denoising each layered element.
6. The method for making the planar mural transformed into the stereoscopic high-definition digital mural according to claim 5, wherein the step 31 comprises the following steps: 311, splicing and fusing the unit murals by using a panoramic splicing technology; step 312, checking and positioning the splicing position with the problems of image picture discontinuity, image splicing dislocation and the like through artificial intelligence detection, and classifying the splicing position into a correction selection area; and 313, automatically optimizing the images in the correction selection area.
7. The method for making the planar mural painting converted into the stereoscopic high-definition digital mural painting according to claim 6, wherein the step 4 comprises the following steps: step 41, inputting the layered elements into a conversion system to obtain a boundary diagram; step 42, applying a region filling algorithm to the optimized boundary graph to obtain a plurality of closed regions, and generating corresponding three-dimensional grids for the closed regions; step 43, finding the edge information of each closed area, and then applying a Delaunay triangulation algorithm with constraint consistency to obtain a plurality of discrete vertexes in the area; step 44, calculating the expansion height of the discrete vertex in the three-dimensional mesh, and converting the linear distance value D (x) in the distance map into an expansion height value by using a round-trip mapping function; and step 45, taking the corresponding area of the closed area in the two-dimensional image as the texture of the three-dimensional grid, obtaining a corresponding rendering effect by applying a stylized rendering mode, and forming a complete three-dimensional model with texture information by combining a plurality of three-dimensional grids.
8. The method for making the planar mural painting converted into the stereoscopic high-definition digital mural painting according to claim 7, wherein the step 41 comprises the following steps: step 411, converting the layered elements of the two-dimensional image from an RGB color space to an HSV color space; step 412, applying an adaptive threshold algorithm to the S channel to obtain an initialized boundary map; step 413, removing pixels not belonging to the boundary map; and 414, eliminating small holes and areas in the boundary graph through morphological opening and closing operations to obtain the optimized boundary graph.
9. The method for making the planar mural painting converted into the stereoscopic high-definition digital mural painting according to claim 8, wherein the step 5 comprises the following steps: step 51, loading the three-dimensional model into a 3D animation full-process manufacturing cloud computing platform device, dividing the three-dimensional model into a scene model, a role model and a prop model, and after setting a role expression mode and a role action route, operating by an operation module according to the setting to automatically generate a complete animation lens; step 52, after setting relevant shooting parameters, adjusting the position and focus of the virtual 3D camera to finish shooting of the 3D virtual animation image; step 53, simply rendering the 3D virtual animation image, previewing the rendered image, and controlling the rendering node to perform formal rendering through the management node after the correctness is confirmed; step 54, the management node comprises a rendering node setting module, a lens database processing module and a lens animation editing module, wherein the rendering node setting module is used for selecting rendering nodes and distributing rendering tasks, the lens database processing module is used for controlling the rendering nodes to select renderer software, the lens animation editing module is used for controlling the rendering nodes to render animation files to be rendered by using the renderer software, and the management node dynamically distributes the rendering tasks to the rendering nodes through a network; and step 55, the rendering node generates an operation script according to the rendering task, calls appropriate renderer software, completes the rendering operation work of the 3D virtual animation image, generates a 3D stereo animation, and stores the 3D stereo animation on a storage device.
10. The method for making the digital stereoscopic mural according to claim 1, characterized in that: the mural raw materials comprise planar murals such as a theater mural, a temple mural and the like.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291075A (en) * | 2021-03-01 | 2021-08-24 | 广州汉阈数据处理技术有限公司 | Fresco duplicating method |
| CN113727040A (en) * | 2021-09-02 | 2021-11-30 | 复旦大学 | Museum exhibition sound and picture media method and system |
| CN115619673A (en) * | 2022-10-21 | 2023-01-17 | 西安美院资产经营有限责任公司 | Pattern digital extraction generation method |
-
2020
- 2020-01-09 CN CN202010023932.3A patent/CN111243062A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291075A (en) * | 2021-03-01 | 2021-08-24 | 广州汉阈数据处理技术有限公司 | Fresco duplicating method |
| CN113291075B (en) * | 2021-03-01 | 2024-01-09 | 广州汉阈数据处理技术有限公司 | Wall painting copying method |
| CN113727040A (en) * | 2021-09-02 | 2021-11-30 | 复旦大学 | Museum exhibition sound and picture media method and system |
| CN113727040B (en) * | 2021-09-02 | 2022-06-14 | 复旦大学 | Museum exhibition sound and picture media method and system |
| CN115619673A (en) * | 2022-10-21 | 2023-01-17 | 西安美院资产经营有限责任公司 | Pattern digital extraction generation method |
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