CN105987673A - Integrated three-dimensional scanning modeling system - Google Patents
Integrated three-dimensional scanning modeling system Download PDFInfo
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- CN105987673A CN105987673A CN201510074034.XA CN201510074034A CN105987673A CN 105987673 A CN105987673 A CN 105987673A CN 201510074034 A CN201510074034 A CN 201510074034A CN 105987673 A CN105987673 A CN 105987673A
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Abstract
The invention relates to an integrated three-dimensional scanning modeling system, which is mainly composed of a closed scanning box, an automatically rotating lifting platform, a white light three-dimensional measuring device and a one-button three-dimensional scanning modeling software platform, wherein the closed scanning box enables scanning not to generate redundant data so as to reduce the data processing difficulty; the automatically rotating lifting platform improves the data integrity of scanning and is fully automated; and the white light three-dimensional measuring device is matched with the one-button three-dimensional scanning modeling software platform so as to highly integrate the complex procedures such as three-dimensional scanning, data processing, three-dimensional modeling and texture mapping, and the working procedures are greatly simplified.
Description
Technical field
The present invention relates to three-dimensional information technical field, particularly relate to one and object is carried out automatized three-dimensional scanning modeling system.
Technical background
Along with the development of information technology, people more and more contact digital imaging technique, by video camera, photographing unit, heat
The information of the equipment acquisition objects such as image instrument, but the graph image being typically all two dimension that these equipment obtains.But a lot
Field, such as machine-building, 3 D-printing, cultural relic conservation, engineering detecting etc., generally require obtain object 3-dimensional digital
Information, this three-dimensional data being accomplished by being obtained object by 3-D scanning technology.
3-D scanning integrates optical, electrical, machine and enters technology of calculating, can obtain the space structure of scanned object and coordinate with
And color texture, it is translated into the accessible digital information of computer, and reduction is shown as threedimensional model in three-dimensional software.
This technology has got through the passage of real world and virtual world so that real-world object can with virtual reappearance, or dummy model lead to
After crossing Design and Machining, produce the object made new advances in the three-dimensionally shaped technology such as three dimensional sculpture, 3D printing of utilization.Nowadays video display, trip
Play, build, manufacture, the field such as mapping all defines the situation being upgraded to three-dimensional from two dimension, thus 3-D scanning modeling technique quilt
Increasing use.For by Surveying and Mapping Industry, in the past the surface location coordinate of object can only be carried out single-point survey with total powerstation
Amount, present spatial digitizer but can obtain the coordinate of the thousands of point of body surface within one second, this change it may be said that
It is subversive.
But at present from 3-D scanning to three-dimensional modeling, however it remains many deficiencies, the automaticity between each link is not
Enough height, need substantial amounts of manpower intervention, not only waste substantial amounts of cost of labor and time cost, and a lot of link also can carry
Carry out personal error.
Summary of the invention
In order to solve above-mentioned prior art weak point, 3-D scanning and three-dimensional modeling is made to realize integration, automatization, procedure,
Patent of the present invention creates a kind of integrated three-dimensional scanning modeling system, mainly by airtight scanning circumstance, an automatic rotary lifting
Platform, white light three-dimensional measurement apparatus and four module compositions of one-touch scanning modeling software platform.
Airtight scanning circumstance for 3-D scanning provide one without noise, miscellaneous point and the environment of redundant data, thus not only improve
The precision of data acquisition, is no longer necessary to data treatment people simultaneously and manually deletes hash, carry for subsequent automated modeling
Supply to ensure.
Automatic rotary lifting platform, can make to be placed on object thereon, and three-dimensional data is acquired to greatest extent.In general,
We to obtain a complete scan data of object at present, needs scanning staff's mobile object or spatial digitizer, from difference
Angle scan object, this process is time-consuming bothersome, also have impact on stability and the degree of accuracy of data acquisition simultaneously.
The speed quick obtaining body surface three-dimensional data that white light three-dimensional measurement apparatus can have been taken pictures, and when environmental objects is black
Color is that he will not collect data, and so when the above-mentioned all black of airtight environmental objects, the data collected are the most only
Testee, therefore can obtain pure data, it is not necessary to follow-up reprocessing.
One-touch scanning modeling software solve from scan modeling be presently required multiple software, many secondary data conversion, multiple work
The problem of flow process, is greatly shortened the cycle of scanning modeling.
Specifically, described in patent of the present invention, integrated three-dimensional scanning modeling system is realized by below scheme:
A, build airtight scanning circumstance.Build process and principle are as follows:
Airtight scanning circumstance is casing, is door before casing, for placing, taking out, the entrance of mobile scanned object；The right side has
The perforate of white light three-dimensional measurement apparatus, need to accomplish slitless connection；A rotary lifting platform disposed below, for laying scanned
It is used.
In addition to white light three-dimensional measurement apparatus, box house all internals dough-making powder is black, and surface has certain coarse
Degree, occurs without reflective effect.
B, automatic rotary lifting platform.
Automatic rotary lifting platform, is made up of scanning object placement platform, drive system and control system, can will scan object
It is placed on platform, then carries out 360 degree of rotations and oscilaltion, it is ensured that object can be scanned from all directions, it is ensured that number
According to the integrity gathered.
1, scanning object placement platform: be used for placing scanned object, has the stability adapting to place different objects, and appearance
Face is that black is non-reflective.
2, drive system: needing two motors, drives horizontal 360-degree to rotate, and another drives object to move up and down.
3, control system: control the angular dimension of the rotation of drive system, and after rotating a circle, need conversion height position
When putting, control the height risen.The setting of these parameters is all integrated in one-touch scanning modeling software.
C, white light three-dimensional measurement apparatus.
White light three-dimensional measurement apparatus is made up of White Light Projection module, image capture module and image processing module.
1, White Light Projection module: by a white light light projector by the surface of the optical grating projection of area-structure light to scanned object, by thing
Body is divided into different regions.
2, image capture module: be made up of two industrial cameras, when white light light projector is by grating loss to body surface, they
The image acquisition of object can be got off simultaneously.
3, data processing module: this module is integrated in one-touch scanning modeling software, can calculate the image gathered,
According to optic triangle method measuring principle, by identifying the distortion that grating occurs at body surface, reappear the three-D profile of body surface.
D, one-touch scanning modeling software.
One-touch 3-D scanning modeling software can realize from data acquisition to a complete set of flow process of modeling pinup picture, includes data acquisition module
Block, automatic editor module, matching MBM, texture mapping module.
1, a key acquisition module: have only to click on " key scanning " and just can perform automatically to scan, if centre is not interrupted follow-up
Data edition, you and modeling, texture mapping can be automatically obtained.In order to ensure quality of scanning, there is before scanning scanning
Parameter setting function, as arranged each anglec of rotation and the lifting height of " automatic rotary lifting platform " to different scanning objects
Degree；There is prescan function, quickly check the quality of scanning of object.By the time the when of being adjusted to optimal scanning mode, then hold
Row one key scanning operates.
2, automatic editor module: automatically each station triangulation network data of scanning are carried out noise reduction, identify and remove hash, and
Each station data are stitched together, and perform whole registration, reduce the error that the splicing of each station is brought.
3, synthesis MBM: by the cloud data after registration, synthesize a single overall data, and a cloud is packaged into three
Angle pessimistic concurrency control；Then the Triangulation Network Model of synthesis is carried out filling-up hole, become a physical model closed；Then software can identify
The wrong data such as self intersection in model, refraction limit, Singular edges, spike, widgets, passage aisle, and repair；
Last software carries out fairing processing and simplifies grid model, and allow model becomes is the most smooth, and the feelings in reserving model feature
Under condition, reduce the data volume of model.
4, texture mapping module: the software model to above building up performs texture mapping, goes back real-texture and color that master mould has.
Integrated three-dimensional scanning modeling system provides the benefit that:
Simple flow: integrated three-dimensional scanning modeling system is multiple by 3-D scanning, data process, three-dimensional modeling, texture mapping etc.
Miscellaneous flow process is highly integrated together so that is previously required to the work that several engineer has coordinated even more than company, is integrated in
One system completes.
Simple to operate: the operation that integrated three-dimensional scanning modeling system is foolproof, it is substantially reduced body technical threshold so that one
The people not having scanning modeling basis simply learns to use.
Scanning speed is fast: be placed on the platform of automatic rotary lifting by scanned object, is realized by the control system of scanning software
With white light three-dimensional measurement apparatus synchronized cooperative work, this make scanning speed and efficiency be greatly improved, and unlike scan in the past need
The position of repeatedly artificial motion scan object or scanner just can complete the scanning of overall object.
Solve environment hash and process a difficult problem: scanning object is placed among containment housing environment, and interior and rotation
Platform is that black is non-reflective so that environmental data will not be collected, thus avoids follow-up needs and manually delete the superfluous of environmental data
The automatic Mosaic of remaining process, more conducively data and modeling.
Accompanying drawing explanation
Fig. 1 integrated 3-D scanning modeling structure chart；
Fig. 2 is workflow diagram；
Fig. 3 is 3-D scanning schematic diagram；
Fig. 4 is the point cloud chart of vase；
Fig. 5 is vase Triangulation Network Model figure；
Fig. 6 is the textured illustraton of model of vase；
Detailed description of the invention
We combine accompanying drawing and instantiation the present invention is further illustrated below:
As it is shown in figure 1, integrated 3-D scanning modeling structure chart, its composition is as follows:
1. it is the casing creating airtight scanning circumstance for scanning object；2. it is the automatic rotary lifting platform of laying scanned；③
The most 5. it is white light three-dimensional measurement apparatus, is the most 3. white light light projector, is the most 5. by the industrial camera of image acquisition；6. for taking
Carry the computer of one-touch scanning modeling software.
The workflow of integrated three-dimensional scanning modeling system is as in figure 2 it is shown, we illustrate the work of system from an example below
Make flow process and operation principle.
Example:
This example is as a example by with integrated three-dimensional scanning modeling system one vase of scanning, and detailed process is as follows:
1, laying scanned: be placed on by vase on automatic rotary lifting platform, a height of 340mm of vase, the widest part is
170mm。
2, sweep parameter prescan are set: it is 30 ° that automatic rotary lifting platform often shoots the secondary anglec of rotation, so rotates one
Need in week to shoot 12.The scan position arranging vase is that 0mm and 340mm highly locates.Prescan is performed after arranging, referring to
Scanning effect.
3, start a key scanning: after prescan obtains satisfied effect, perform a key scanning operation.
4, data are gathered: first integrated three-dimensional scanning modeling system starts white light light projector and beaten on vase by grating.Grating is steady
Latter two industrial camera fixed takes vase simultaneously.At this time, as it is shown on figure 3, system is according to optic triangle method measuring principle,
The distortion that two-dimensional coordinate and the grating of grating occur at body surface is calculated, sets up the three-dimensional coordinate of body surface, and face
Color information stores in a computer in the lump.
After first angle shot completes, automatic rotary lifting platform rotates 30 °, carries out data acquisition according to same mode.
After elemental height position (0mm), 12 image acquisition of run-down, automatic rotary lifting platform is increased to 340mm
Position, with the most above method continue gather one week.
5, data process:
After scanning, system will carry out noise reduction to each site cloud data scanned automatically, removes hash, according to common portion
24 data are stitched together by texture information, perform whole registration afterwards, it is thus achieved that preferably splice precision.The point cloud that scanning obtains
Data such as Fig. 4.
6, synthesis modeling:
Software is by the vase point cloud model synthesis after registration, and is coupled together by three points nearby, becomes Triangulation Network Model, as
Fig. 5.
Because the Triangulation Network Model being directly connected to encapsulation from a cloud can need to repair it, at this time by false defect therefore software
Filling-up hole can be performed automatically, the tiny disappearance of repair data, and repair self intersection, refraction limit, Singular edges, spike,
The error in data such as widgets, passage aisle；Last software carries out fairing processing and simplifies grid model, and this operation is to aid in flower
Bottle obtains more preferable molding surface, and in the case of retaining vase curvature feature, the data can removed and simplify is carried out essence
Letter, it is thus achieved that less data volume.
7, texture mapping:
The step for software the color and vein that camera obtains can be mapped to the surface of model, restore vase original color and
Texture, such as Fig. 6.
8, output model:
Finally, the model data of software vase is output as the forms such as obj, stl, ply and preserves, and completes whole scanning modeling
Process.
Claims (5)
1. an integrated three-dimensional scanning modeling system, the process of integrated 3-D scanning, data, three-dimensional modeling, texture mapping be integrated,
It is characterized in that: include that one builds the casing of scanning circumstance, automatic rotary lifting platform, the survey of a set of white light three-dimensional
Amount device, a computer carrying one-touch 3-D scanning modeling software platform.
2. according to the integrated three-dimensional scanning modeling system described in right 1, it is characterised in that: the described casing building scanning circumstance
Inner surface is the opaque material of black, and white light three-dimensional measurement apparatus does not gather the data in addition to scanned object.
3. according to the integrated three-dimensional scanning modeling system described in right 1, it is characterised in that: built-in two of automatic rotary lifting platform
Motor, can make 360 ° of horizontal rotations by a fixing angle, and make oscilaltion campaign, and its control system integration exists
In one-touch 3-D scanning modeling software, realize collaborative work with white light three-dimensional measurement apparatus.
4. according to the integrated three-dimensional scanning modeling system described in right 1, it is characterised in that: white light three-dimensional measurement apparatus comprises one
The white light light projector of projection grating and two industrial cameras carrying out image acquisition, can calculate the image gathered,
By identifying the distortion that grating occurs at body surface, reappear the three-D profile of body surface.
5. according to the integrated three-dimensional scanning modeling system described in right 1, it is characterised in that: the modeling of described one-touch 3-D scanning is soft
Part platform has a key acquisition module, automatic editor module, synthesis MBM, texture mapping module, can complete automatically
Complete to scan the whole flow process of modeling.
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| CN107818590A (en) * | 2017-09-11 | 2018-03-20 | 童和平 | Free form surface product reverse-engineering based on three-dimensional optical scanning models forming method |
| CN108225218A (en) * | 2018-02-07 | 2018-06-29 | 苏州镭图光电科技有限公司 | 3-D scanning imaging method and imaging device based on optical micro electro-mechanical systems |
| CN108871210A (en) * | 2017-09-28 | 2018-11-23 | 浙江大学 | Ladle flame retardant coating measurement method based on infrared image |
| CN109118089A (en) * | 2018-08-10 | 2019-01-01 | 韩鹏 | A kind of Chinese meal dinner party is set a table image collecting device and points-scoring system |
| CN109523633A (en) * | 2018-09-30 | 2019-03-26 | 先临三维科技股份有限公司 | Model scanning method, apparatus, equipment, storage medium and processor |
| CN109699156A (en) * | 2018-12-12 | 2019-04-30 | 河南筑诚电子科技有限公司 | A kind of mobile dust prevention system of fixed three-dimensional scanning |
| CN111540036A (en) * | 2020-03-12 | 2020-08-14 | 李新福 | Automatic modeling method and system for objects in closed container |
| CN113340230A (en) * | 2021-04-26 | 2021-09-03 | 西安交通大学 | Lifting type multi-view three-dimensional profile measurement system and working method |
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| EP1609437A1 (en) * | 2004-06-24 | 2005-12-28 | KCI Co., Ltd | Driving apparatus for three-dimensional scanning system and three-dimensional scanning system for computer-aided tooth modelling using the same |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107818590A (en) * | 2017-09-11 | 2018-03-20 | 童和平 | Free form surface product reverse-engineering based on three-dimensional optical scanning models forming method |
| CN108871210A (en) * | 2017-09-28 | 2018-11-23 | 浙江大学 | Ladle flame retardant coating measurement method based on infrared image |
| CN108871210B (en) * | 2017-09-28 | 2020-05-05 | 浙江大学 | Steel ladle fire-resistant layer measuring method based on infrared image |
| CN108225218A (en) * | 2018-02-07 | 2018-06-29 | 苏州镭图光电科技有限公司 | 3-D scanning imaging method and imaging device based on optical micro electro-mechanical systems |
| CN109118089A (en) * | 2018-08-10 | 2019-01-01 | 韩鹏 | A kind of Chinese meal dinner party is set a table image collecting device and points-scoring system |
| CN109118089B (en) * | 2018-08-10 | 2022-08-02 | 韩鹏 | Chinese food banquet platform setting image acquisition device and scoring system |
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| CN109699156A (en) * | 2018-12-12 | 2019-04-30 | 河南筑诚电子科技有限公司 | A kind of mobile dust prevention system of fixed three-dimensional scanning |
| CN111540036A (en) * | 2020-03-12 | 2020-08-14 | 李新福 | Automatic modeling method and system for objects in closed container |
| CN113340230A (en) * | 2021-04-26 | 2021-09-03 | 西安交通大学 | Lifting type multi-view three-dimensional profile measurement system and working method |
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