TWI731414B - Cultural relic digital archive and restoration system - Google Patents

Abstract

This invention relates to a cultural relic digital archive and restoration system, which is a composite relic digital archive and restoration platform with reflection conversion imaging technology, three-dimensional modeling technology and multi-spectral imaging technology. By combining a reflection conversion imaging device, a three-dimensional modeling device, and a multi-spectral imaging device, an information such as three-dimensional data and images of cultural relics, etc. can be obtained. Then, the information captured by said device is optically processed and image processed to make the contrast of the image is suitable, the features are obvious, and the color is rich. Finally, by identifying and interpreting the hue, pattern, texture, time variation and spatial distribution of images to obtain the information such as the shape and distribution type of cultural relics, and this information can be used as scientific data for the preservation, repair and inspection of cultural relics.

Description

Digital Collection and Restoration System of Cultural Relics

The invention is a digital collection and restoration system for cultural relics, especially a digital collection and restoration system for cultural relics that integrates reflection conversion imaging technology, three-dimensional modeling technology and multi-spectral imaging technology.

The preservation of art relics depends on the materials it is composed of and complex processes such as aging and environmental impact. The accuracy of monitoring techniques to assess these changes is essential for appropriate protection and restoration strategies.

At present, there are many kinds of cultural relics collection and restoration related technologies on the market. For example, the People’s Republic of China Invention Publication No. CN104807827A "A three-dimensional numerical control microscopic observation method for authenticity of ancient ceramics" is a high-resolution method using 200X-5000X magnification. The scientific identification method of three-dimensional numerical control microscopic observation of the characteristics and properties of the glaze etching traces of ceramics. Or as the People’s Republic of China Invention Publication No. CN104596442A "A device and method for assisting three-dimensional scanning", which uses the principle of flat mirror reflection to place a flat mirror around the object to be scanned, scanning the top surface of the object and scanning the side at the same time, turning the object over When you come to scan the back side, you will also scan to the side. Using the matching points on the side parts of the two depth maps, the two depth maps are spliced together to obtain a three-dimensional texture map. Or as the People's Republic of China Invention Publication No. CN109064552A "A method and system for virtual restoration of cultural relics", which uses VR glasses and projectors to perform virtual restoration of cultural relics.

However, the aforementioned various conventional cultural relics collection and restoration and other related technologies are used for measurement or identification analysis of specific types of cultural relics or cultural relics of special materials. When a large number of cultural relics are to be archived digitally, the cost of equipment should be considered. And the efficiency of 3D modeling, the 3D modeling technology currently used is to use optical scanning to overlay the photographs of cultural relics to create a 3D model of each cultural relic, so the quality of the presentation is poor, and the three-dimensional details and details of the cultural relics cannot be fully restored. Textures, and the three-dimensional models of these cultural relics can only be used for VR or digital display, and are not suitable for use as a digital collection of cultural relics, nor can they be directly used for the restoration of cultural relics.

Furthermore, although the aforementioned 3D modeling technology of high-resolution microscopy instruments can build a high-resolution 3D model, the 3D modeling time required for it is very long, the file is very large, and the cost of the equipment used is very high. High, it is not economical for the digital collection of a large number of cultural relics or large-scale cultural relics, and the technology can only present the three-dimensional details of cultural relics, so these technologies can only be used for high-precision cultural relic identification purposes. Not suitable for use as a digital collection of cultural relics and for future restoration of cultural relics.

For this reason, the team of inventors of this case, in view of the many problems and shortcomings of the aforementioned conventional 3D modeling technology applied to the digital collection and restoration of cultural relics, accumulated years of experience in research and development and creation of measurement related fields, and invented this case.

The purpose of the present invention is to provide a composite digital collection and restoration platform for cultural relics that integrates reflection conversion imaging technology, three-dimensional modeling technology and multi-spectral imaging technology, through reflection conversion imaging equipment The combination of equipment, three-dimensional modeling equipment and multi-spectral imaging equipment to obtain image three-dimensional data and image information of cultural relics, and perform optical and image processing on the captured information, so that the contrast of the image is suitable, the characteristics are obvious, and the color is rich. Then identify and explain the image's color tone, pattern, texture, and its temporal changes and spatial distribution rules, so as to provide classification of cultural relics' shapes, distribution types, etc., and provide scientific data for the digital preservation, restoration, and inspection of cultural relics.

The aforementioned reflection conversion imaging technology (ie, Reflectance Transformation Imaging, RTI) is a technology that converts quantitative reflectance into imaging. It is an imaging method that uses a fast, accurate and non-contact method to project on multiple angles of illumination. On the imaged surface, surface topographic information is generated. The surface area has a rapidly changing sequence to form the normal direction of the depression. The detailed information of the surface texture and geometry of the object is obtained through calculation. This enhanced function is deepened by increasing the directional change Enhance the perception of surface texture and shape characteristics of cultural relics. Furthermore, because RTI can analyze images and data quantitatively, it can extend image recording to the analysis of measurement changes.

The aforementioned three-dimensional modeling technology can be realized through optical three-dimensional imaging technology, laser three-dimensional imaging technology, or a composite technology of optical three-dimensional imaging technology and laser three-dimensional imaging technology. The aforementioned optical three-dimensional image technology is a technology that processes the information of optical scanning into three-dimensional images, combines two-dimensional digital image sequences, and derives the three-dimensional depth of the structure through image matching technology; the optical three-dimensional image reconstruction detects and analyzes the geometric structure of the structure And texture data to build a digital model of the actual object. In recent years, due to the rapid development of digital camera technology, the resolution has reached tens of millions of pixels and the price is becoming increasingly low. Therefore, three-dimensional objects are constructed from images and the feature point matching technology in the images is used to obtain The 3D image scanning technology of the 3D point cloud and texture information of the object to reconstruct the 3D model of the object is very economical.

The aforementioned multi-spectral imaging technology uses the imaging of a variety of different wavelengths and frequencies for analysis. It has the advantages of identifying weak information and quantitative detection, and can obtain characteristic information that combines maps. The optical imaging analysis of a series of wavelengths from ultraviolet light, visible light to infrared light can detect relatively weak information of cultural relics and obtain weak information of cultural relics. The present invention mainly obtains the color and brightness distribution of cultural relics through visible light imaging; the penetrating effect of infrared light is used to penetrate the pigment layer of cultural relics to observe whether the bottom layer of the pigment layer has other weak information that cannot be observed by the naked eye, such as color. Layers overlap or original patterns, and infrared light is particularly sensitive to carbon elements, which can detect faint ink lines, which is helpful to observe the original style of painting or layout skills; ultraviolet light irradiated on cultural relics will emit different wavelengths or different materials. The intensity of fluorescence can determine whether the cultural relics have been invaded or corroded by organic substances or micro-bacteria, and the traces of repair or refilling can be inspected through this technology, which is convenient for maintenance personnel to repair cultural relics and inspectors to loan damage to cultural relics The basis for compensation and the basis for the subcontracting of cultural relics.

In order to achieve the aforementioned purpose, the digital collection and restoration system of cultural relics of the present invention includes at least a wearing tool and a server; the wearing tool is a cover structure, and the inner side of the carrier is provided with a plurality of multi-angle light projectors and At least one camera, the aforementioned multi-angle light projector is equipped with visible light, infrared light and ultraviolet light; the aforementioned server is connected with the aforementioned multi-angle light projector and the camera signal, and the aforementioned server is equipped with a reflection conversion imaging module , Stereoscopic image module, multi-spectral imaging module and data processing module. The aforementioned reflection conversion imaging module captures the reflection conversion imaging data of cultural relics through the visible light of the aforementioned multi-angle light projector and the camera. The group uses the aforementioned camera to capture the three-dimensional image data of the cultural relics, and the aforementioned multi-spectral imaging module uses the visible light, infrared light, ultraviolet light and the camera of the aforementioned multi-angle light projector to capture the multi-spectral image of the cultural relics Data; the aforementioned data processing module is to process the data captured by the aforementioned reflection conversion imaging module, three-dimensional image module and multi-spectral imaging module to obtain image three-dimensional modeling and feature pattern enhancement accuracy data, 3D points Cloud and image feature automatic overlay data, weak information and quantitative detection and identification data, automatic acquisition system of three-dimensional images and other data.

In the digital collection and restoration system of cultural relics of the present invention, a plurality of laser rangefinders can be arranged on the inner side of the aforementioned carrier, and the laser rangefinder is connected with the aforementioned server signal to improve the three-dimensional modeling of the three-dimensional image module Accuracy.

In the digital collection and restoration system of cultural relics of the present invention, the aforementioned multi-angle light projector is a three-light source lamp which is assembled into a whole with visible light, infrared light and ultraviolet light. The aforementioned multi-angle light projector is equipped with an angle adjuster to facilitate the user to fine-tune the illumination angle of the light source and illuminate downward at an oblique angle.

In the digital collection and restoration system of cultural relics of the present invention, the cover structure of the wearer is provided with a frame and a plurality of movable supports, the frame is provided with a plurality of first dove-shaped chutes, and the movable supports are also provided with a plurality of first dove-shaped chutes. With two dove-shaped sliding grooves, a plurality of adjustment elements are arranged between the aforementioned frame and the movable support, so that the movable support can be adjusted at will in the frame.

1: Wearing equipment

10: Multi-angle light projector

100: Visible light

101: Infrared light

102: UV lamp

103: Angle adjuster

11: Camera

12: Laser rangefinder

13: Wireless signal transmitter

14: Frame

140: The first dove-shaped chute

141: Mobile Organization

15: Movable bracket

150: second dove chute

16: group adjustment element

160: Right-angle lock plate

161: Bolt

162: Nut

2: server

20: Reflection conversion imaging module

21: Stereoscopic image module

22: Multispectral imaging module

23: Data processing module

Fig. 1 is a perspective view of the first embodiment of the present invention.

Figure 2 is a side view of the carrier of Figure 1;

Fig. 3 is a top view of the carrier of Fig. 1;

Fig. 4 is a front view of the three-light source multi-angle light projector assembled into a whole according to the present invention.

Fig. 5 is a side view of the three-light source multi-angle light projector assembled into a whole according to the present invention.

Figure 6 is a schematic diagram of the assembly of the adjusting element of the present invention.

Fig. 7 is a perspective view of the second embodiment of the present invention.

Fig. 8 is a schematic diagram of the state of use of the present invention.

Figure 9 is a system architecture diagram of the server of the present invention.

In order to further understand the present invention, the best implementation of the digital collection and restoration system for cultural relics is shown in Figures 1-9, at least including a carrier 1 and a server 2: the aforementioned wearing tool 1 is a cover The structure can be a square cover structure, a semicircular cover structure, a cylindrical cover structure and other structures, all of which are indispensable. A plurality of multi-angle light projectors 10 and at least one camera 11 are installed on the inner side of the aforementioned vehicle 1, or a plurality of laser rangefinders 12 (as shown in FIG. 7) may be added to improve the accuracy of three-dimensional modeling; The aforementioned camera 11 is installed in the middle of the aforementioned carrier 1. The aforementioned server 2 is signally connected to the aforementioned multi-angle light projector 10, camera 11, and laser rangefinder 12, which may be a wired signal connection or a wireless signal connection, and the aforementioned vehicle 1 may be provided with a wireless signal transmitter 13 (As shown in Figure 7), the wireless signal transmitter 13 is connected to the aforementioned multi-angle light projector 10, camera 11, and laser rangefinder 12, and then the wireless signal transmitter 13 is used to realize the aforementioned multi-angle light The projector 10, the camera 11 and the laser rangefinder 12 are connected with the wireless signal of the server 2.

The aforementioned multi-angle light projector 10 is provided with a visible light 100, an infrared light 101, and an ultraviolet light 102. The visible light 100, the infrared light 101, and the ultraviolet light 102 may be separate lamps, or may be made by one reason. The visible light lamp 100, the infrared light lamp 101 and the ultraviolet lamp 102 are assembled into a three-light source lamp (as shown in Figs. 4 and 5), depending on the usage requirements. The aforementioned multi-angle light projector 10 needs to be equipped with an angle adjuster 103, which is convenient for the user to adjust the light source illumination angle and illuminate downward at an oblique angle (the illumination angle cannot be perpendicular to the surface of the cultural relic, and the vertical illumination does not have a light reflection angle. ).

As shown in FIG. 8, when the aforementioned cameras 11 are plural, they can shoot optically scanned stereo reconstruction images for 3D modeling.

As shown in FIGS. 1 to 3, the cover structure of the aforementioned wearing tool 1 has to be provided with a frame 14 and a plurality of movable brackets 15. The aforementioned frame 14 is provided with a plurality of first dove-shaped sliding grooves 140, and the movable bracket 15 is also provided with For the plurality of second dove-shaped sliding grooves 150, a plurality of adjustment elements 16 are arranged between the aforementioned frame 14 and the movable support 15 so that the movable support 15 can be adjusted in position within the frame 14 arbitrarily. As shown in FIG. 6, the aforementioned adjusting element 16 is provided with a right-angle locking piece 160, a plurality of bolts 161, and a plurality of nuts 162. Both sides of the right-angle locking piece 160 are respectively provided with bolts 161, and the aforementioned nuts are respectively arranged on the aforementioned frame In the first dove-shaped chute 140 of 14 and the second dove-shaped chute 150 of the aforementioned movable bracket 15, when the bolt 161 locks the nut 162 in the first dove-shaped chute 140 and the second dove-shaped chute 150 , The frame 14 and the movable bracket 15 can be fixed to each other. When the bolt 161 and the nut 162 are loosened, the movable bracket 15 can move and adjust the position on the frame 14, so that the movable bracket 15 can be freely located in the frame 14 Adjust the position to match the cultural relics of various shapes and sizes. The bottom of the frame 14 may be provided with a moving mechanism 141 to assist the frame 14 to perform mobile scanning. The moving mechanism 141 may be a general wheel structure or a power wheel structure, and the power wheel structure can be accurately performed by the server 2 Automatic operation of displacement and position correction to reduce the error of human operation. A light shield (not shown in the figure) should be provided on the outer side of the aforementioned frame 14 to prevent external light sources from affecting the result of optical data capture.

As shown in FIG. 9, the aforementioned server 2 is provided with a reflection conversion imaging module 20, a three-dimensional image module 21, a multi-spectral imaging module 22 and a data processing module 23. The reflection conversion imaging module 20 uses the visible light 100 of the multi-angle light projector 10 and the camera 11 to capture the reflection conversion imaging data of the cultural relics. The three-dimensional imaging module 21 transmits the camera 11 (and laser ranging The instrument 12) is used to capture the three-dimensional image data of the cultural relics, and the aforementioned multi-spectral imaging module 22 transmits the aforementioned multi-angle light The visible light lamp 100, the infrared light lamp 101, the ultraviolet light lamp 102 and the camera 11 of the light projector 10 capture the multi-spectral image data of the cultural relics (including ordinary optical scanning images, infrared light scanning images and ultraviolet light scanning images). The aforementioned data processing module 23 performs arithmetic processing on the data captured by the aforementioned reflection conversion imaging module 20, three-dimensional image module 21, and multi-spectral imaging module 22 to obtain image three-dimensional modeling and feature pattern enhancement accuracy data, 3D point cloud and image feature automatic overlay data, weak information and quantitative detection and identification data, three-dimensional image automatic capture system and other data, so that the data can be used for digital preservation, restoration, inspection and other applications of cultural relics.

The aforementioned reflection conversion imaging technology (i.e. RTI) is an image-based recording method that captures information about the reflectance of the surface on the basis of each pixel of the image, and at any given position mathematically, it is perpendicular to the surface The direction is called the normal direction. The RTI file is constructed from a fixed camera position, projecting light from different directions, taking multiple digital photos of cultural relics, and obtaining the information in each image. The reflection of light is determined by the normal position of the surface of the object, and the angle between the incident angle of light and the normal is the same as the angle between the reflection angle of light and the normal. Because the position of the camera is fixed, it passes through each image. The light in the image can be calculated to find the normal position. This process produces a series of images with different highlights and shadows of the same theme. RTI can calculate the surface normal of each pixel in the image. The value of the normal in each pixel and the red-green-blue (RGB) color information are stored at the same time. This ability to effectively record color and true 3D shape information, Allows the user to control the illumination angle of the image surface and check its surface normal vector. The illumination information in the image is processed by mathematical calculation to generate a mathematical model of the surface, which can be used to enhance various detailed texture features. display.

Therefore, when the user is viewing in the RTI Viewer, he can select the direction of the virtual light source to observe the changes in the 3D texture of the track under different light sources. In practical applications, the RTI department is a computational photography technology, which requires the collection of fixed light sources in different positions. A collection of 40-100 images for analysis, as long as the image recognition software used can infer the position of the light source, the final image can produce a mathematical 3D map of the surface of the object. The software written by the viewer calculates the normal vector of the surface from these images, and then displays the surface features and presents fine details. The aforementioned viewer has to set a variety of recording modes and display modes, which can apply mathematical transformations to surface normals and RGB color information to achieve various reflection enhancements. These enhancement tools (or rendering modes) use surface shape and color combination information Or surface shape or color. By using the shape data in the RTI image, the enhanced function in the viewer can disclose more information about the object than a filter that only uses RGB color data for each pixel. The aforementioned enhancement tool may be Basic rendering modes, Specular enhancement mode or Normals Visualization mode. The aforementioned basic rendering modes provide an RTI image without mathematical enhancement. This mode has no parameters; while in the mirror enhancement mode, when the mirror enhancement is used in isolation from the RGB color information, it can reduce the value of the bright part, and illuminate the entire surface by propagating the specular reflection of the area affected by the area; the aforementioned normal visualization The mode is to construct and display the surface of the cultural relics by pixel-by-pixel normal direction rendering. In this rendering, the X, Y, and Z components of the normal value at each pixel are represented as red, green and blue, respectively, another way of presentation The normal direction of each pixel is represented by a specific color.

The aforementioned three-dimensional imaging technology is realized through optical three-dimensional imaging technology, laser three-dimensional imaging technology, or a composite technology of optical three-dimensional imaging technology and laser three-dimensional imaging technology. The aforementioned optical three-dimensional image technology is a technology that processes the information of optical scanning into three-dimensional images, combines two-dimensional digital image sequences, and derives the three-dimensional depth of the structure through image matching technology; the optical three-dimensional image reconstruction detects and analyzes the geometric structure of the structure And texture data to build a digital model of the actual object. In recent years, due to the rapid development of digital camera technology, the resolution has reached tens of millions of pixels and the price is becoming increasingly low. Therefore, three-dimensional objects are constructed from images and the feature point matching technology in the images is used to obtain The 3D image scanning technology of the 3D point cloud and texture information of the object to reconstruct the 3D model of the object is very economical. Laser stereo image The technology is a commonly used technology, which will not be repeated here. The laser stereo imaging technology can be used in conjunction with the optical stereo imaging technology to improve the accuracy of the stereo modeling.

The aforementioned multi-spectral imaging technology uses the imaging of a variety of different wavelengths and frequencies for analysis. It has the advantages of identifying weak information and quantitative detection, and can obtain the characteristic information of the combination of maps, from ultraviolet light, visible light to infrared light. The optical imaging analysis of a series of wavelengths can detect relatively weak information of cultural relics and obtain weak information of cultural relics. The present invention mainly obtains the color and brightness distribution of cultural relics through visible light imaging; the penetrating effect of infrared light is used to penetrate the pigment layer of cultural relics to observe whether the bottom layer of the pigment layer has other weak information that cannot be observed by the naked eye, such as color. Layers overlap or original patterns, and infrared light is particularly sensitive to carbon elements, which can detect faint ink lines, which is helpful to observe the original style of painting or layout skills; ultraviolet light irradiated on cultural relics will emit different wavelengths or different materials. The intensity of fluorescence can determine whether the cultural relics have been invaded or corroded by organic substances or microbes, and the traces of repair or refilling can be inspected through this technology, which is convenient for maintenance personnel to repair cultural relics and inspectors to loan damage to cultural relics The basis for compensation and the basis for the subcontracting of cultural relics.

In this way, the digital collection and restoration system for cultural relics of the present invention only needs to mount the wearing tool 1 on the cultural relics, and the structure of the frame 14 and the movable support 15 of the wearing tool 1 can be adjusted according to the size of the cultural relics through the server 2 Control the multi-angle light projector 10, the camera 11, the laser rangefinder 12 and the moving mechanism 141 to perform single-point data capture or segmented data capture (depending on the size of the cultural relics) to obtain reflection conversion imaging technology, three-dimensional The data required for modeling technology and multispectral imaging technology can be obtained through the data processing module 23 of the server 2 to obtain 3D image modeling and feature pattern enhancement accuracy data, 3D point cloud and image feature automatic overlay data, weak Information and quantitative detection and identification data, three-dimensional image automatic acquisition system and other data, and these data can be used in cultural relics digital preservation, restoration, inspection, VR (virtual reality), AR (augmented reality) and other applications. The present invention can more completely restore the three-dimensional structure characteristics of cultural relics, and even the details invisible to the naked eye can be recorded completely for various research and use. The setting speed is very fast, high accuracy, high precision, low cost, and can be used in a wide range (digital collection of national cultural relics or private cultural relics, human body or animal and plant growth records, etc.), with the best practicality and economic benefits , The composition of this case.

The foregoing embodiments or drawings do not limit the aspect or usage of the present invention, and any appropriate changes or modifications by those with ordinary knowledge in the relevant technical field should be regarded as not departing from the patent scope of the present invention.

Wearing equipment 1, multi-angle light projector 10, camera 11, laser rangefinder 12, wireless signal transmitter 13, frame 14, moving mechanism 141, movable bracket 15, group adjustment element 16 Server 2

Claims (10)

A digital collection and restoration system for cultural relics, including at least: The wearing gear is a cover structure, the inner side of the aforementioned carrier is provided with a plurality of multi-angle light projectors and at least one camera, and the aforementioned multi-angle light projector is provided with visible light, infrared light and ultraviolet light; The server is connected with the aforementioned multi-angle light projector and the camera signal. The aforementioned server is equipped with a reflection conversion imaging module, a three-dimensional image module, a multi-spectral imaging module, and a data processing module. The aforementioned reflection conversion imaging module is The visible light of the multi-angle light projector and the camera are used to capture the reflection conversion imaging data of the cultural relics, the three-dimensional image module is used to capture the three-dimensional image data of the cultural relics through the camera, and the multi-spectral imaging module is transmitted through the aforementioned The visible light, infrared light, ultraviolet light and camera of the multi-angle light projector capture the multi-spectral image data of the cultural relics; the aforementioned data processing module converts the aforementioned reflection conversion imaging module, three-dimensional image module and multi-spectral imaging The data captured by the module is processed to obtain 3D image modeling and feature pattern enhancement accuracy data, 3D point cloud and image feature automatic overlay data, weak information and quantitative detection and identification data, and an automatic capture system for stereo images And other information. According to the digital collection and restoration system of cultural relics described in item 1 of the scope of patent application, a plurality of laser rangefinders are installed on the inner side of the aforementioned vehicle, and the laser rangefinder is connected with the aforementioned server signal to enhance the three-dimensional image The accuracy of the 3D modeling of the module. According to the cultural relics digital collection and restoration system described in item 2 of the scope of patent application, the aforementioned vehicle is provided with a wireless signal transmitter, and the wireless signal transmitter is connected to the aforementioned multi-angle light projector, camera and laser rangefinder Signal connection, and then through the wireless signal transmitter to realize the wireless signal connection between the aforementioned multi-angle light projector, camera and laser rangefinder and the server. According to the digital collection and restoration system for cultural relics described in item 1 of the scope of patent application, the aforementioned multi-angle light projector is a three-light source luminaire composed of a visible light, an infrared light, and an ultraviolet light. According to the digital collection and restoration system of cultural relics described in item 1 of the scope of patent application, the aforementioned multi-angle light projector is equipped with an angle adjuster to facilitate the user to fine-tune the illumination angle of the light source and illuminate downward at an oblique angle. According to the digital collection and restoration system of cultural relics described in item 1 of the scope of patent application, wherein the cover structure of the wearer is provided with a frame and a plurality of movable supports, the frame is provided with a plurality of first dove-shaped chutes, and the aforementioned movable The bracket is also provided with a plurality of second dove-shaped sliding grooves, and a plurality of adjustment elements are arranged between the aforementioned frame and the movable bracket, so that the movable bracket can be adjusted at any position in the frame. According to the digital collection and restoration system of cultural relics described in item 6 of the scope of patent application, the aforementioned adjusting element is provided with right-angle lock plates, plural bolts and plural nuts, and both sides of the right-angle lock plate are respectively provided with bolts, and the aforementioned nuts They are respectively arranged in the first dove-shaped chute of the frame and the second dove-shaped chute of the movable bracket. When the bolts lock the nuts in the first dove-shaped chute and the second dove-shaped chute, that is The frame and the movable bracket can be fixed to each other. When the bolts and nuts are loosened, the movable bracket can move and adjust the position on the frame, so that the movable bracket can be adjusted at will in the frame to match the cultural relics of various shapes and sizes Make adjustments. According to the digital collection and restoration system of cultural relics described in item 1 of the scope of patent application, the bottom of the aforementioned frame may be provided with a moving mechanism to assist the frame in moving scanning. According to the digital collection and restoration system of cultural relics described in item 8 of the scope of patent application, the aforementioned moving mechanism is a power wheel structure, and the power wheel structure can perform automatic operation of precise displacement and position correction through the aforementioned server. Reduce the error of human operation. According to the digital collection and restoration system of cultural relics described in the first item of the scope of patent application, a light shield is provided on the outer side of the aforementioned frame to prevent external light sources from affecting the results of optical data acquisition.

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