CN109961505A - A kind of ancient times coffin chamber architecture digital reconstructing system - Google Patents
A kind of ancient times coffin chamber architecture digital reconstructing system Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/50—Lighting effects
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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Abstract
The invention discloses a kind of ancient times coffin chamber architecture digital reconstructing systems, including user interactive terminal, wireless communication unit and cloud processing terminal, realize that wireless two-way is connect with cloud processing terminal by wireless communication unit in user interactive terminal, user interactive terminal includes that user logs in unit, display module and image data acquiring unit, image data acquiring unit includes camera photographing module, coded image data module, image data sorting module, image data sorting module and shooting time timing module, and the present invention relates to digital modeling technique fields.The ancient times coffin chamber architecture digital reconstructing system, the time of Holistic modeling can be greatly saved, without spending the system a large amount of time to carry out the extraction and calculating of characteristic point, and substantially increase the accuracy of coffin chamber digitization modeling, it realizes and comprehensive Digital Three-Dimensional reconstruction quickly but also accurately not only is carried out to coffin chamber, to greatly facilitate the coffin chamber research work of archaeology personnel.
Description
Technical field
The present invention relates to digital modeling technique field, specially a kind of ancient times coffin chamber architecture digital reconstructing system.
Background technique
Ancient tomb refers to the grave of people dead since the dawn of human civilization, generally refers to that representative and researching value
Grave, the ancient times common people design generally according to living person's house, have main chamber, rear chamber, two ear rooms, the inner and outer coffin of tomb owner is just parked in
Main chamber's centre, noble is then huge more, the coffin chamber of underground palace be divided into before in after three parts, doorway plays orgue, from gate into
It goes, is that " bright hall " (dark hall) by the arrangement of central room in tomb owner before death family has various furnishings between one first, these implements claim
For " funerary objects " (funerary object), then inward, intermediate coffin chamber, referred to as " bedroom hall " are the places for putting inner and outer coffin, are followed by " side hall in a palace or temple ", are
It is specifically used to put the place of funerary objects, and many archaeological works need the knot to ancient tomb coffin chamber when carrying out ancient tomb excavation now
Structure carries out digitlization reconstruction, convenient to study in the future.
It is that comprehensive take the photograph directly is carried out to coffin chamber situation mostly at present when carrying out digitlization reconstruction to coffin chamber structure
Then picture carries out the extraction of characteristic point algorithm to the image of shooting and the digitlization structure to coffin chamber structure can be realized in data processing
It builds, however, when carrying out three-dimensional modeling according to the picture of shooting, since every picture is unordered shooting and random process, because
This can spend the extraction and calculating of a large amount of time progress characteristic point of system, and it is poor with practical coffin chamber structure modeling often occur
The case where away from larger situation, thus greatly reducing the accuracy of coffin chamber Digital Three-Dimensional modeling, not can avoid model distortion
Occur, can not achieve and comprehensive Digital Three-Dimensional reconstruction quickly but also accurately not only was carried out to coffin chamber, to give the tomb of archaeology personnel
Room research work brings great inconvenience.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of ancient times coffin chamber architecture digital reconstructing system, solves
When existing coffin chamber three-dimensional digital models, since every picture is unordered shooting and random process, system can be spent big
The time of amount carries out the extraction and calculating of characteristic point, and modeling and the larger situation of practical coffin chamber structure gap often occurs,
The accuracy for thus greatly reducing the modeling of coffin chamber Digital Three-Dimensional, not can avoid the case where model is distorted, can not achieve
Not only comprehensive Digital Three-Dimensional reconstruction quickly but also accurately was carried out to coffin chamber, so that the coffin chamber research work to archaeology personnel is brought
The problem of very big inconvenience.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of ancient times coffin chamber architecture digital
Reconstructing system, including user interactive terminal, wireless communication unit and cloud processing terminal, the user interactive terminal pass through wireless
Communication unit realizes that wireless two-way is connect with cloud processing terminal, and the user interactive terminal includes that user logs in unit, display
Module and image data acquiring unit, described image data acquisition unit include camera photographing module, coded image data module,
Image data sorting module, image data sorting module and shooting time timing module, the output end of the camera photographing module
It is connect respectively with the input terminal of coded image data module and shooting time timing module, and the output of shooting time timing module
End is connect with the input terminal of coded image data module, output end and image data the sequence mould of described image data coding module
The input terminal of block connects, and the output end of image data sorting module is connect with the input terminal of image data sorting module, described
Cloud processing terminal includes cloud server, and cloud server is respectively and at image data decoding sorting module, data algorithm
Reason system and the realization of low-light compensation deals unit are bi-directionally connected.
Preferably, the data algorithm processing system includes that image slices vegetarian refreshments color range value extraction module, characteristics of image click
Matching module, repeated characteristic point matching module and relational graph building module are taken, described image pixel color range value extraction module
The input terminal that output end and image characteristic point choose matching module connect, and image characteristic point choose matching module output end and
The input terminal of repeated characteristic point matching module connects, and the output end and relational graph of the repeated characteristic point matching module construct module
Input terminal connection.
Preferably, the camera photographing module can determine that camera is once taken the photograph according to the preparation group of camera when being imaged
The field range angle value α of picture, by being needed the quantity of matched repeated characteristic point to determine according to repeated characteristic point matching module
Overlapping range angle value θ is shot, therefore can determine the angle value of secondary camera boundary line and camera starting camera angle boundary line
β, i.e. β=α-θ.
Preferably, described image data decoding sorting module be made of N number of picture recognition module, and cloud server with
The realization of camera position localization process system is bi-directionally connected.
Preferably, the camera position localization process system includes image characteristic point extraction module, depth value algorithm process
Module and vector matrix computing module, the output end of described image feature point extraction module are defeated with depth value algorithm processing module
Enter end connection, and the output end of depth value algorithm processing module is connect with the input terminal of vector matrix computing module.
Preferably, the cloud server realizes two-way company with three-dimensional reconstruction module and low-light compensation deals unit respectively
It connects, and low-light compensation deals unit is bi-directionally connected with the realization of data algorithm processing system.
Preferably, the user logs in the output end input with display module and image data acquiring unit respectively of unit
End connection.
Preferably, it includes user information input module, user information authentication module and user behaviour that the user, which logs in unit,
Make execution module, the output end of the user information input module is connect with the input terminal of user information authentication module, and user
The output end of authentification of message module is connect with the input terminal of user's operation execution module.
(3) beneficial effect
The present invention provides a kind of ancient times coffin chamber architecture digital reconstructing systems.Have compared with prior art following beneficial
Effect:
(1), the ancient times coffin chamber architecture digital reconstructing system, by user interactive terminal include user log in unit,
Display module and image data acquiring unit, image data acquiring unit include camera photographing module, coded image data module,
Image data sorting module, image data sorting module and shooting time timing module, then pass through cloud server, image respectively
Data decode sorting module, data algorithm processing system, image slices vegetarian refreshments color range value extraction module, image characteristic point and choose matching
Module, repeated characteristic point matching module, relational graph building module, image characteristic point extraction module, depth value algorithm processing module,
Being equipped with, it can be achieved that when being imaged for vector matrix computing module and three-dimensional reconstruction module, can be according to the preparation of camera
Group determines the field range angle value α that camera once images, by needing matched repetition according to repeated characteristic point matching module
The quantity of characteristic point determines shooting overlapping range angle value θ, therefore can determine secondary camera boundary line and camera starting camera shooting angle
The angle value β of boundary line is spent, sequential overlapping shooting is carried out well, makes to all have between every coffin chamber image orderly and certain
Then the relevance of characteristic point carries out ordinal characteristics extraction process to image by system again, while in preceding overlaying graphics feature
Three-dimensional modeling is carried out to next image on the basis of point, so that the time of Holistic modeling is greatly saved, without spending system
The a large amount of time carries out the extraction and calculating of characteristic point, and substantially increases the accuracy of coffin chamber digitization modeling, well
It is larger with practical coffin chamber structure gap to avoid appearance modeling, the case where being distorted model realizes not only quick but also accurately
Comprehensive Digital Three-Dimensional reconstruction is carried out to coffin chamber, so that the coffin chamber research work for greatly facilitating archaeology personnel is brought.
(2), the ancient times coffin chamber architecture digital reconstructing system, by server beyond the clouds respectively with three-dimensional reconstruction module and
The realization of low-light compensation deals unit is bi-directionally connected, then double by realizing in low-light compensation deals unit and data algorithm processing system
To connection, it can be achieved that carrying out low-light enhancing processing to darker picture to be processed, avoided well in this way due to the darker nothing of picture
The case where method normal extraction characteristic point, occurs, to ensure that the normal processing of coffin chamber picture.
(3), the ancient times coffin chamber architecture digital reconstructing system includes that user information inputs mould by logging in unit in user
Block, user information authentication module and user's operation execution module, the output end and user information authentication of user information input module
The input terminal of module connects, and the output end of user information authentication module is connect with the input terminal of user's operation execution module, can
Realization carries out identification certification to the personal information of user, greatly strengthens the information security performance of user.
Detailed description of the invention
Fig. 1 is the structural principle block diagram of present system；
Fig. 2 is the structural principle block diagram of image data acquiring unit of the present invention；
Fig. 3 is the structural principle block diagram of camera position localization process system of the present invention；
Fig. 4 is camera camera position of the present invention and the schematic diagram for determining image pickup scope.
In figure, 1 user interactive terminal, 11 users log in unit, 111 user information input modules, 112 user information authentications
Module, 113 user's operation execution modules, 12 display modules, 13 image data acquiring units, 131 camera photographing modules, 132 figures
As data coding module, 133 image data sorting modules, 134 image data sorting modules, 135 shooting time timing modules, 2
Wireless communication unit, 3 cloud processing terminals, 31 cloud servers, 32 image data decoding sorting modules, the processing of 33 data algorithms
System, 331 image slices vegetarian refreshments color range value extraction modules, 332 image characteristic points choose matching module, the matching of 333 repeated characteristic points
Module, 334 relational graphs construct module, 34 low-light compensation deals units, 35 camera position localization process systems, 351 characteristics of image
Point extraction module, 352 depth value algorithm processing modules, 353 vector matrix computing modules, 36 three-dimensional reconstruction modules.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of ancient times coffin chamber architecture digitalization reconstruction system
System, including user interactive terminal 1, wireless communication unit 2 and cloud processing terminal 3, user interactive terminal 1 pass through wireless telecommunications list
Member 2 realizes that wireless two-way is connect with cloud processing terminal 3, and user interactive terminal 1 includes that user logs in unit 11, display module 12
With image data acquiring unit 13, model can be sent on the display module 12 of user interactive terminal 1 by wireless communication unit 2
It is shown, people only need to can be to the Digital Three-Dimensional constructed by coffin chamber by the display module 12 on user interactive terminal 1
Model is observed and is studied, user log in unit 11 output end respectively with display module 12 and image data acquiring unit 13
Input terminal connection, user log in unit 11 include user information input module 111, user information authentication module 112 and user
The output end of operation executing module 113, user information input module 111 is connect with the input terminal of user information authentication module 112,
And the output end of user information authentication module 112 is connect with the input terminal of user's operation execution module 113, user can pass through user
User on interactive terminal 1 logs in unit 11 and carries out personal information login, by user information input module 111 by of user
It acknowledges a debt in family and Password Input to system, personal account that then user is inputted by user information authentication module 112 and close
Code carries out authentification of message, and after authenticating successfully, user's operation execution module 113 can confirm the operational order of user, and image data is adopted
Collecting unit 13 includes camera photographing module 131, coded image data module 132, image data sorting module 133, image data
Sorting module 134 and shooting time timing module 135, the output end of camera photographing module 131 respectively with coded image data mould
Block 132 is connected with the input terminal of shooting time timing module 135, and the output end and picture number of shooting time timing module 135
It is connected according to the input terminal of coding module 132, output end and the image data sorting module 133 of coded image data module 132
Input terminal connection, and the output end of image data sorting module 133 is connect with the input terminal of image data sorting module 134, phase
Machine photographing module 131 shoots the structure inside coffin chamber, when being imaged, can determine camera according to the preparation group of camera
The field range angle value α once imaged, by needing matched repeated characteristic point according to repeated characteristic point matching module 333
Quantity determines shooting overlapping range angle value θ, therefore can determine that secondary camera boundary line and camera originate camera angle boundary line
Angle value β shoot the picture of respective numbers then according to the size of coffin chamber, shooting time timing module 135 while shooting
Start timing, make shooting every picture correspond to a correct time, while 132 pairs of coded image data module shooting it is every
A image is numbered, and is then arranged by image data sorting module 133 according to the shooting time of the number of each image
Sequence carries out data packing processing finally by image data sorting module 134, is passed after the completion of being packaged by wireless communication unit 2
Send to cloud processing terminal 3 and handled, cloud processing terminal 3 include cloud server 31, and cloud server 31 respectively with
Image data decoding sorting module 32, data algorithm processing system 33 and the realization of low-light compensation deals unit 34 are bi-directionally connected, can
Picture is successively passed through to low-light compensation deals unit 34 and carries out low-light compensation, image data decoding sorting module 32 is by N number of figure
As identification module composition, corresponding picture recognition module can be decoded simultaneously data packet in image data decoding sorting module 32
It is ranked up according to original sequence, and cloud server 31 is bi-directionally connected with the realization of camera position localization process system 35, number
It include that image slices vegetarian refreshments color range value extraction module 331, image characteristic point choose matching module 332, again according to algorithm process system 33
Multiple Feature Points Matching module 333 and relational graph construct module 334, the output end of image slices vegetarian refreshments color range value extraction module 331 with
Image characteristic point choose matching module 332 input terminal connection, and image characteristic point choose matching module 332 output end with again
The input terminal connection of multiple Feature Points Matching module 333, the output end and relational graph of repeated characteristic point matching module 333 construct module
334 input terminal connects, and the image slices vegetarian refreshments color range value extraction module 331 in data algorithm processing system 33 can extract in picture
R, G of each pixel, B component image tonescale value, and matching module 332 is chosen by image characteristic point and carries out image characteristic point
Selection and matching, after the completion of first image procossing, the second picture successively passes through image slices vegetarian refreshments color range value extraction module
331 and image characteristic point choose matching module 332 and carry out characteristics extraction, it is true by repeated characteristic point matching module 333 later
It is fixed with the matched characteristic point of the first picture institute, and with the match point by relational graph construct two pictures of the building of module 334 it
Between relational model, and so on, third picture until last picture equally handled, all pictures can be obtained
The relation model figure of building, camera photographing module 131 can determine that camera is once taken the photograph according to the preparation group of camera when being imaged
The field range angle value α of picture, by needing the quantity of matched repeated characteristic point true according to repeated characteristic point matching module 333
Surely overlapping range angle value θ is shot, therefore can determine the angle of secondary camera boundary line and camera starting camera angle boundary line
Value β, i.e. β=α-θ, camera position localization process system 35 include image characteristic point extraction module 351, depth value algorithm process mould
Block 352 and vector matrix computing module 353, the output end and depth value algorithm processing module of image characteristic point extraction module 351
352 input terminal connection, and the input terminal of the output end of depth value algorithm processing module 352 and vector matrix computing module 353
It connects, the image characteristic point extraction module 351 in camera position localization process system 35 extracts the feature on every kind of picture at random
Then point can be obtained by depth value algorithm processing module 352 using picture interface as the depth value of each characteristic point of plane computations
To the translation vector numerical value of camera position, matrix calculation is then carried out to each translation vector by vector matrix computing module 353
Method statistical disposition, cloud server 31 are bi-directionally connected with three-dimensional reconstruction module 36 and the realization of low-light compensation deals unit 34 respectively,
The position data of the relation model figure of each picture and camera is carried out three-dimensional modeling processing by three-dimensional reconstruction module 36, can be obtained
The Digital Three-Dimensional structural model of entire coffin chamber, and low-light compensation deals unit 34 realized with data algorithm processing system 33 it is two-way
Connection.
In use, user can log in the progress personal information login of unit 11 by the user on user interactive terminal 1 first,
By user information input module 111 by the personal account and Password Input to system of user, then recognized by user information
The personal account and password progress authentification of message that card module 112 input user, after authenticating successfully, user's operation execution module
113 can confirm the operational order of user, be shown by display module 12, and user can be by user interactive terminal 1 later
Camera photographing module 131 in graph data acquisition unit 13 shoots the structure inside coffin chamber, can when being imaged
The field range angle value α that camera once images is determined according to the preparation group of camera, by according to repeated characteristic point matching module
333 need the quantity of matched repeated characteristic point to determine shooting overlapping range angle value θ, therefore can determine secondary camera boundary line
The picture of respective numbers is shot then according to the size of coffin chamber with the angle value β of camera starting camera angle boundary line, is shot
While shooting time timing module 135 start timing, so that every picture of shooting is corresponded to a correct time, while image
Each image of 132 pairs of data coding module shootings is numbered, then by image data sorting module 133 according to each figure
The shooting time of the number of picture is ranked up, and is carried out data packing processing finally by image data sorting module 134, has been packaged
It cloud processing terminal 3 is sent to by wireless communication unit 2 is handled at rear.
After cloud server 31 in cloud processing terminal 3 receives the image data of acquisition, image data decoding sequence
Corresponding picture recognition module can be decoded data packet and be ranked up according to original sequence in module 32, then picture
Low-light compensation successively can be carried out by low-light compensation deals unit 34, picture can pass sequentially through data calculation according to institute's alignment sequence later
Method processing system 33 is handled, and the image slices vegetarian refreshments color range value extraction module 331 in data algorithm processing system 33 can extract
R, G of each pixel, B component image tonescale value in picture, and matching module 332 is chosen by image characteristic point and carries out image
The selection and matching of characteristic point, after the completion of first image procossing, the second picture successively passes through image slices vegetarian refreshments color range value and mentions
Modulus block 331 and image characteristic point choose matching module 332 and carry out characteristics extraction, pass through repeated characteristic point matching module later
The 333 determining and matched characteristic points of the first picture institute, and relational graph is passed through with the match point and constructs two figures of the building of module 334
Relational model between piece, and so on, third picture is equally handled up to last picture, can be obtained all
The relation model figure of picture building.
Cloud server 31 can control the image characteristic point extraction module 351 in camera position localization process system 35 later
The characteristic point on every kind of picture is extracted at random, then by depth value algorithm processing module 352 using picture interface as plane computations
The translation vector numerical value of camera position can be obtained in the depth value of each characteristic point, then passes through vector matrix computing module 353
Matrix algorithm statistical disposition is carried out to each translation vector, the positional relationship between camera and relation model figure can be obtained, most
The position data of the relation model figure of each picture and camera is carried out by three-dimensional modeling processing by three-dimensional reconstruction module 36 afterwards, i.e.,
The Digital Three-Dimensional structural model of entire coffin chamber can be obtained, which can be sent to user's interaction eventually by wireless communication unit 2
It is shown on the display module 12 at end 1, people only need to can be to coffin chamber institute by the display module 12 on user interactive terminal 1
The digital three-dimemsional model of building is observed and is studied.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of ancient times coffin chamber architecture digital reconstructing system, including user interactive terminal (1), wireless communication unit (2) and cloud
It holds processing terminal (3), the user interactive terminal (1) is realized wireless by wireless communication unit (2) and cloud processing terminal (3)
It is bi-directionally connected, it is characterised in that: the user interactive terminal (1) includes that user logs in unit (11), display module (12) and figure
As data acquisition unit (13), described image data acquisition unit (13) includes camera photographing module (131), coded image data
Module (132), image data sorting module (133), image data sorting module (134) and shooting time timing module (135),
The output end of the camera photographing module (131) respectively with coded image data module (132) and shooting time timing module
(135) input terminal connection, and the output end of shooting time timing module (135) and coded image data module (132) is defeated
Enter end connection, the output end of described image data coding module (132) and the input terminal of image data sorting module (133) connect
It connects, and the output end of image data sorting module (133) is connect with the input terminal of image data sorting module (134), the cloud
End processing terminal (3) includes cloud server (31), and cloud server (31) respectively with image data decoding sorting module
(32), data algorithm processing system (33) and low-light compensation deals unit (34) realization are bi-directionally connected.
2. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 1, it is characterised in that: the data are calculated
Method processing system (33) include image slices vegetarian refreshments color range value extraction module (331), image characteristic point choose matching module (332),
Repeated characteristic point matching module (333) and relational graph building module (334), described image pixel color range value extraction module
(331) output end is connect with the input terminal that image characteristic point chooses matching module (332), and image characteristic point chooses matching mould
The output end of block (332) is connect with the input terminal of repeated characteristic point matching module (333), the repeated characteristic point matching module
(333) output end is connect with the input terminal of relational graph building module (334).
3. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 2, it is characterised in that: the camera is taken the photograph
Picture module (131) can determine the field range angle value α that camera once images when being imaged according to the preparation group of camera,
Quantity by needing matched repeated characteristic point according to repeated characteristic point matching module (333) determines shooting overlapping range angle
Value θ, therefore can determine the angle value β, i.e. β=α-θ of secondary camera boundary line and camera starting camera angle boundary line.
4. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 1, it is characterised in that: described image number
It is made of according to decoding sorting module (32) N number of picture recognition module, and cloud server (31) and camera position localization process
System (35) realization is bi-directionally connected.
5. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 4, it is characterised in that: the phase seat in the plane
Setting localization process system (35) includes image characteristic point extraction module (351), depth value algorithm processing module (352) and moment of a vector
Battle array computing module (353), output end and depth value algorithm processing module (352) of described image feature point extraction module (351)
Input terminal connection, and the input terminal of the output end of depth value algorithm processing module (352) and vector matrix computing module (353)
Connection.
6. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 1, it is characterised in that: the cloud clothes
Business device (31) is bi-directionally connected with three-dimensional reconstruction module (36) and low-light compensation deals unit (34) realization respectively, and at low-light compensation
Reason unit (34) is realized with data algorithm processing system (33) and is bi-directionally connected.
7. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 1, it is characterised in that: the user steps on
The output end of record unit (11) is connect with the input terminal of display module (12) and image data acquiring unit (13) respectively.
8. a kind of ancient times coffin chamber architecture digital reconstructing system according to claim 1, it is characterised in that: the user steps on
Recording unit (11) includes user information input module (111), user information authentication module (112) and user's operation execution module
(113), the output end of the user information input module (111) is connect with the input terminal of user information authentication module (112), and
The output end of user information authentication module (112) is connect with the input terminal of user's operation execution module (113).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110874861A (en) * | 2019-11-22 | 2020-03-10 | 武汉中天云迪科技有限公司 | Three-dimensional digital image acquisition method and equipment |
| CN111090905A (en) * | 2019-12-23 | 2020-05-01 | 陕西理工大学 | Mathematical modeling method using computer multidimensional space |
| CN111325780A (en) * | 2020-02-17 | 2020-06-23 | 天目爱视（北京）科技有限公司 | 3D model rapid construction method based on image screening |
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