CN106649913A - Multi-angle image-based 3D printing device and 3D printing method - Google Patents
Multi-angle image-based 3D printing device and 3D printing method Download PDFInfo
- Publication number
- CN106649913A CN106649913A CN201610810381.9A CN201610810381A CN106649913A CN 106649913 A CN106649913 A CN 106649913A CN 201610810381 A CN201610810381 A CN 201610810381A CN 106649913 A CN106649913 A CN 106649913A
- Authority
- CN
- China
- Prior art keywords
- image
- article
- filming apparatus
- printing
- angle image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
Abstract
The invention discloses a multi-angle image-based 3D printing device. The device comprises an article placement apparatus, a shooting apparatus, an image modeling apparatus, an image post-processing apparatus and a printing apparatus. The invention furthermore discloses a multi-angle image-based 3D printing method. The method comprises the steps of firstly assisting the shooting apparatus to obtain a multi-angle image of a to-be-printed article by using the article placement apparatus; secondly performing three-dimensional modeling by utilizing the multi-angle image through adopting the image modeling apparatus, and sending a three-dimensional model to the image post-processing apparatus; and finally optimizing the three-dimensional model by the image post-processing apparatus, forming an STL file and sending the STL file to the printing apparatus for performing 3D printing of the to-be-printed article. According to the multi-angle image-based 3D printing device and 3D printing method, the 3D printing can be realized by utilizing a simple image extraction apparatus, so that the 3D printing cost is reduced.
Description
Technical field
The present invention relates to 3D printing field, more particularly to a kind of 3D printing equipment and 3D printing side based on multi-angle image
Method.
Background technology
At present, 3D printer technology and its related industry achieve the development advanced by leaps and bounds, its commercial operations also by
It is gradually ripe.3D printing can reappear the object that some have digital model, but have to the accuracy of Model Digitization must
Ask.In the market, the acquisition modes of digital model mainly have two kinds, and the first, is also the most frequently used acquisition methods, is to make
With spatial digitizer, object is put in spatial digitizer and implements scanning, but high-precision scanner it is generally bulky and into
This is higher, and then precision is relatively low for the scanner of hand-held；Second, be, in medical science and industrial circle, using X-ray object to be penetrated
The digital model of object, this mode high precision are obtained, but X-ray has radiation hazradial bundle, and Medical CT and industry to human body
CT prices are very expensive, do not allow individual to possess and use.
Spatial digitizer is used as professional 3D scanners, and its price is high, and general family is difficult to popularize, and Medical CT and work
Industry CT does not allow individual to possess and use, and this is caused in terms of personal and home entertaining, it is desirable to which an object is digitized
Collection is simultaneously reappeared using desktop 3D printer, almost unlikely.
Therefore be necessary to provide a kind of for personal and family, easily low cost, acquisition technique, coordinate desktop 3D printing
Equipment meets the demand in market.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention to provide a kind of 3D printing equipment based on multi-angle image
And 3D printing method, 3D printing can be realized using simple image acquiring apparatus, reduce 3D printing cost.
To solve above-mentioned technical problem, the present invention provides a kind of 3D printing equipment based on multi-angle image, the equipment bag
Include：Article apparatus for placing, filming apparatus, image modeling device, image after processing device and printing equipment, the article is placed flat
Platform is communicated to connect with filming apparatus, and completes the multi-angle image acquisition of article to be printed jointly under the control of filming apparatus；
Described image processing meanss are remotely connected respectively with filming apparatus and image after processing device, for by accessed by filming apparatus
Multi-angle image carry out three-dimensional modeling, and threedimensional model is sent to into image after processing device；Image after processing device with beat
Printing equipment puts communication connection, and being sent to the printing equipment for formation stl file after being optimized to threedimensional model carries out waiting to beat
The 3D printing of print article.
Wherein, the article apparatus for placing includes control unit, rotation platform and photographic lamp；Described control unit is used to connect
The photographing command that the filming apparatus are sended over is received, and rotation platform rotation is controlled according to photographing command；Rotation platform is used for
Article to be printed is placed, is rotated under the control of the control unit；Photographic lamp is used for the light that adjustment is taken pictures.
Correspondingly, present invention also offers a kind of 3D printing method based on multi-angle image, comprises the following steps：
(1) article apparatus for placing assists filming apparatus to obtain the multi-angle image of article to be printed；
(2) multi-angle image for getting is sent to image modeling device by filming apparatus；
(3) image modeling device carries out three-dimensional modeling using multi-angle image, and threedimensional model is sent to into place after image
Reason device；
(4) formation stl file is sent to printing equipment and is treated after image after processing device is optimized threedimensional model
The 3D printing of printed matter Products.
Wherein, the article apparatus for placing assists the multi-angle image that filming apparatus obtain article to be printed to include following step
Suddenly：
(1) filming apparatus send parameter setting order of taking pictures to article apparatus for placing, and article apparatus for placing completes parameter and sets
Postpone to filming apparatus and send the response that is finished, the number N of the parameter setting order including image to be obtained of taking pictures and
Take pictures time delay n；
(2) filming apparatus send synch command of taking pictures to article apparatus for placing, and filming apparatus are synchronous with article apparatus for placing
Timing；
(3) filming apparatus often shoot an image, and the rotation platform in article apparatus for placing rotates during time delay n of taking pictures
360/N degree, until getting the image of N article to be printed.
Wherein, described image model building device carries out three-dimensional modeling and comprises the following steps using multi-angle image：
(1) object in image is scratched the image that blank background is obtained from background using Graph cuts algorithms；
(2) using Snake models, using gradation of image information as constraints, the contour curve of object to be printed is extracted,
Obtain contour images；
(3) according to the corresponding angle of each image, the two width contour images that differential seat angle is 90 degree are chosen successively and utilizes SIFT
Algorithm to the characteristic point of this two width image carry out extract with it is registering；
(4) three dimensional space coordinate for carrying out characteristic point according to projection theory recovers；
(5) for the three dimensional space coordinate of characteristic point, surface is rebuild using RBF interpolation algorithms, generates three-dimensional mould
Type.
Compared with prior art, the 3D printing method and 3D printing equipment in the present invention based on multi-angle image has following
Advantage：The present invention coordinates filming apparatus to carry out multi-angled shooting to object using article apparatus for placing, is generated using multiple image
Threedimensional model, rapid and convenient, and with certain precision, greatly reduce the cost of object dimensional scanning device；Meanwhile, utilize
Price is not expensive and desktop 3D printer that progressively popularizing is printed so that everybody can make whenever and wherever possible 3D
Model is simultaneously printed by 3D printer.
Description of the drawings
Fig. 1 is the schematic diagram of the 3D printing equipment in the present invention based on multi-angle image；
Fig. 2 is the schematic diagram of the article apparatus for placing in the present invention and filming apparatus.
Specific embodiment
3D printing equipment in Fig. 1 based on multi-angle image includes：Article apparatus for placing, filming apparatus, image modeling dress
Put, image after processing device and printing equipment, the article placement platform communicates to connect with filming apparatus, and in filming apparatus
The multi-angle image for completing article to be printed under control jointly is obtained；Described image processing meanss respectively with filming apparatus and image
After-treatment device remotely connects, for the multi-angle image accessed by filming apparatus to be carried out into three-dimensional modeling, and by three-dimensional mould
Type is sent to image after processing device；Image after processing device is communicated to connect with printing equipment, excellent for carrying out to threedimensional model
Formation stl file is sent to the printing equipment after change carries out the 3D printing of article to be printed.
Above-mentioned article apparatus for placing as shown in Fig. 2 be a cuboid box, wherein being built-in with control unit, rotation platform
And photographic lamp, control unit is used to receive the photographing command that filming apparatus are sended over, and controls rotary flat according to photographing command
Platform and photographic lamp work；Rotation platform is used to place article to be printed, revolves according to certain angle under the control of the control unit
Turn；Photographic lamp is used for the light that adjustment is taken pictures；The photographing command includes：Parameter setting of taking pictures order and synch command of taking pictures,
The number and time delay of taking pictures of the parameter setting order including image to be obtained of taking pictures, it is described take pictures synch command for keep revolve
Turn the synchronization of platform and filming apparatus.
Filming apparatus can adopt common intelligent terminal, such as mobile phone or panel computer, when user is on filming apparatus
Complete to take pictures after setting and start filming apparatus and start to take pictures, filming apparatus first send parameter setting of taking pictures to article apparatus for placing
Order to the control unit of article apparatus for placing, unit to be controlled is completed to be sent to filming apparatus after parameter setting and is finished
Response；Filming apparatus to the control unit of article apparatus for placing sends synch command of taking pictures, and filming apparatus and control unit are same
Step timing.
Above-mentioned filming apparatus can adopt same intelligent terminal, mobile phone or panel computer with image after processing device,
Printing equipment can adopt desktop 3D printer.
During using above-mentioned 3D printing equipment, first article to be printed is placed on rotation platform, adjusts the light of photographic lamp
Line, adjusts angle and exposure parameter of filming apparatus etc.；The number N and time delay of taking pictures that shooting is arranged on filming apparatus be
N seconds, N may be configured as 72,36,18,12,8,4, press start button；Filming apparatus and control unit are by synch command of taking pictures
Time synchronisation is realized, control unit control rotation platform rotates n times in the acquisition process of whole image, 360/N is rotated every time
Degree, filming apparatus often shoot once, are then shot next time after the waiting n second, and rotation platform then rotates in this takes pictures time delay
Once, filming apparatus and control unit perform aforesaid operations automatically, until N photograph taking is finished；Filming apparatus will be acquired
To multi-angle image reach graphics processing unit；Image processing apparatus are first with Graph cuts algorithms by the object in photo
The object picture that blank background is obtained from background is scratched, algorithm is recalled and threedimensional model is generated based on multi-angle image, then should
Threedimensional model is sent to image after processing device；User can modify, compile on image after processing device to this threedimensional model
Volume, coloring etc. operation, image after processing device generate stl file, be sent on desktop 3D printer and printed.
Image processing apparatus carry out three-dimensional modeling to multi-angle image, comprise the following steps：
(1) contour line extraction.Using Snake models, using gradation of image information as constraints, the profile of object is extracted
Curve, obtains contour images；
(2) feature point extraction.According to the corresponding angle of each image, the two width profile diagrams that differential seat angle is 90 degree are chosen successively
The width image of picture, i.e. front and side two, using SIFT, (Scale Invariant Feature Transform Scale invariants are special
Levy conversion) algorithm, the characteristic point of this two width image is carried out extracting with it is registering；
(3) characteristic point space coordinates is recovered.According to projection theory, if coordinate of certain characteristic point on direct picture for (X1,
Y1), the coordinate on side image is (X2, Y2), then the space coordinates (X, Y, Z) of this feature point can be obtained by formula 1：
(4) resurfacing.For the three-dimensional feature space of points, using RBF (Radial Basis Function radial direction base letters
Number) interpolation algorithm rebuilds to surface, generates threedimensional model.
User is optimized using image after processing device to threedimensional model, including herein below：
(1) by editting function to being deleted or being finely tuned where mistake；
(2) sharp edge is smoothed by smoothing function；
(3) color is selected by palette, or texture is selected and added from texture searching.
Image after processing device forms stl file, comprises the following steps：
(1) action is set, by threedimensional model surface segmentation into many triangle surfaces；
(2) apex coordinate of storage triangle surface is in stl file.
Claims (8)
1. a kind of 3D printing equipment based on multi-angle image, it is characterised in that the equipment includes：Article apparatus for placing, shooting
Device, image modeling device, image after processing device and printing equipment, the article placement platform communicates with the filming apparatus
Connection, and assist filming apparatus to obtain the multi-angle image of article to be printed；Described image processing meanss respectively with the shooting
Device and image after processing device remotely connect, for the multi-angle image accessed by filming apparatus to be carried out into three-dimensional modeling,
And threedimensional model is sent to into image after processing device；Image after processing device is communicated to connect with printing equipment, for three-dimensional
Model forms stl file and is sent to the printing equipment and carries out the 3D printing of article to be printed after being optimized.
2. the 3D printing equipment based on multi-angle image according to claim 1, it is characterised in that the article places dress
Put including control unit, rotation platform and photographic lamp；Described control unit is used to receive the bat that the filming apparatus are sended over
According to order, and rotation platform rotation is controlled according to photographing command；Rotation platform is used to place article to be printed, in control unit
Rotated under control；Photographic lamp is used for the light that adjustment is taken pictures.
3. the 3D printing equipment based on multi-angle image according to claim 2, it is characterised in that the photographing command bag
Include：Parameter setting of taking pictures order and synch command of taking pictures, the number of the parameter setting order including image to be obtained of taking pictures and
Take pictures time delay, it is described to take pictures synch command for keeping the synchronization of rotation platform and filming apparatus.
4. a kind of 3D printing method based on multi-angle image, it is characterised in that the method is comprised the following steps：
(1) article apparatus for placing assists filming apparatus to obtain the multi-angle image of article to be printed；
(2) multi-angle image for getting is sent to image modeling device by filming apparatus；
(3) image modeling device carries out three-dimensional modeling using multi-angle image, and threedimensional model is sent to into post processing of image dress
Put；
(4) after image after processing device is optimized threedimensional model formed stl file be sent to printing equipment carry out it is to be printed
The 3D printing of article.
5. the 3D printing method based on multi-angle image according to claim 4, it is characterised in that the article places dress
Put the multi-angle image for assisting filming apparatus to obtain article to be printed to comprise the following steps：
(1) filming apparatus send parameter setting order of taking pictures to article apparatus for placing, and article apparatus for placing is completed after parameter setting
The response being finished is sent to filming apparatus, the parameter setting order of taking pictures includes the number N of image to be obtained and takes pictures
Time delay n；
(2) filming apparatus send synch command of taking pictures, filming apparatus and article apparatus for placing time synchronisation to article apparatus for placing；
(3) filming apparatus often shoot an image, and the rotation platform in article apparatus for placing rotates 360/ during time delay n of taking pictures
N degree, until getting the image of N article to be printed.
6. the 3D printing method based on multi-angle image according to claim 4, it is characterised in that described image modeling dress
Put carries out three-dimensional modeling and comprises the following steps using multi-angle image：
(1) object in image is scratched the image that blank background is obtained from background using Graph cuts algorithms；
(2) using Snake models, using gradation of image information as constraints, the contour curve of object to be printed is extracted, is obtained
Contour images；
(3) according to the corresponding angle of each image, the two width contour images that differential seat angle is 90 degree are chosen successively and utilizes SIFT algorithms
The characteristic point of this two width image is carried out extracting with it is registering；
(4) three dimensional space coordinate for carrying out characteristic point according to projection theory recovers；
(5) for the three dimensional space coordinate of characteristic point, surface is rebuild using RBF interpolation algorithms, generates threedimensional model.
7. the 3D printing method based on multi-angle image according to claim 6, it is characterised in that the sky of the characteristic point
Between coordinate recover be specially：
If coordinate of certain characteristic point in two selected width contour images is respectively (X1, Y1) and (X2, Y2), then this feature point
Space coordinates (X, Y, Z) be：
8. the 3D printing method based on multi-angle image according to claim 4, it is characterised in that image after processing device
Threedimensional model is optimized, specially：First to being deleted or finely tuned where mistake, then sharp edge is smoothed
Then texture is added.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810381.9A CN106649913A (en) | 2016-09-08 | 2016-09-08 | Multi-angle image-based 3D printing device and 3D printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610810381.9A CN106649913A (en) | 2016-09-08 | 2016-09-08 | Multi-angle image-based 3D printing device and 3D printing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106649913A true CN106649913A (en) | 2017-05-10 |
Family
ID=58851540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610810381.9A Pending CN106649913A (en) | 2016-09-08 | 2016-09-08 | Multi-angle image-based 3D printing device and 3D printing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106649913A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961394A (en) * | 2018-06-29 | 2018-12-07 | 河南聚合科技有限公司 | A kind of actual situation combination product research/development platform based on digitlization twins' technology |
| CN109676914A (en) * | 2017-10-18 | 2019-04-26 | 天津七琪美甲用品有限公司 | A kind of 3D printing method of manicure piece |
| CN110782417A (en) * | 2019-11-08 | 2020-02-11 | 恒信东方文化股份有限公司 | Automatic photographing method and corresponding photographing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101283929A (en) * | 2008-06-05 | 2008-10-15 | 华北电力大学 | Rebuilding method of blood vessel three-dimensional model |
| CN102117378A (en) * | 2009-12-31 | 2011-07-06 | 苏州瑞派宁科技有限公司 | Hepatic tumor comprehensive surgical planning analogy method and system thereof based on three-dimensional multimode images |
| CN103473021A (en) * | 2013-07-10 | 2013-12-25 | 杭州安致文化创意有限公司 | Two-dimensional-image-based 3D (three-dimensional) printing system and method |
| CN103640223A (en) * | 2013-12-27 | 2014-03-19 | 杨安康 | Fast forming system for true-color three-dimensional individual figure |
| CN104021588A (en) * | 2014-06-18 | 2014-09-03 | 公安部第三研究所 | System and method for recovering three-dimensional true vehicle model in real time |
-
2016
- 2016-09-08 CN CN201610810381.9A patent/CN106649913A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101283929A (en) * | 2008-06-05 | 2008-10-15 | 华北电力大学 | Rebuilding method of blood vessel three-dimensional model |
| CN102117378A (en) * | 2009-12-31 | 2011-07-06 | 苏州瑞派宁科技有限公司 | Hepatic tumor comprehensive surgical planning analogy method and system thereof based on three-dimensional multimode images |
| CN103473021A (en) * | 2013-07-10 | 2013-12-25 | 杭州安致文化创意有限公司 | Two-dimensional-image-based 3D (three-dimensional) printing system and method |
| CN103640223A (en) * | 2013-12-27 | 2014-03-19 | 杨安康 | Fast forming system for true-color three-dimensional individual figure |
| CN104021588A (en) * | 2014-06-18 | 2014-09-03 | 公安部第三研究所 | System and method for recovering three-dimensional true vehicle model in real time |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676914A (en) * | 2017-10-18 | 2019-04-26 | 天津七琪美甲用品有限公司 | A kind of 3D printing method of manicure piece |
| CN108961394A (en) * | 2018-06-29 | 2018-12-07 | 河南聚合科技有限公司 | A kind of actual situation combination product research/development platform based on digitlization twins' technology |
| CN110782417A (en) * | 2019-11-08 | 2020-02-11 | 恒信东方文化股份有限公司 | Automatic photographing method and corresponding photographing device |
| CN110782417B (en) * | 2019-11-08 | 2022-12-02 | 恒信东方文化股份有限公司 | Automatic photographing method and corresponding photographing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| You et al. | Multiview rectification of folded documents | |
| CN104240289B (en) | Three-dimensional digitalization reconstruction method and system based on single camera | |
| CN103971408B (en) | Three-dimensional facial model generating system and method | |
| Meng et al. | Active flattening of curved document images via two structured beams | |
| US9396517B2 (en) | Correction of acquired images for cutting pattern creation | |
| CN104599317B (en) | A kind of mobile terminal and method for realizing 3D scanning modeling functions | |
| CN107369204B (en) | Method for recovering basic three-dimensional structure of scene from single photo | |
| US20070133850A1 (en) | System for making a medical device | |
| CN113177977B (en) | Non-contact three-dimensional human body size measuring method | |
| CN103856617A (en) | Photographing method and user terminal | |
| CN103473021A (en) | Two-dimensional-image-based 3D (three-dimensional) printing system and method | |
| CN106649913A (en) | Multi-angle image-based 3D printing device and 3D printing method | |
| US20150256815A1 (en) | 3d camera calibration | |
| Brown et al. | Restoring 2D content from distorted documents | |
| KR101829733B1 (en) | Conversion Method For A 2D Image to 3D Graphic Models | |
| CN107622526A (en) | A kind of method that 3-D scanning modeling is carried out based on mobile phone facial recognition component | |
| CN103365488A (en) | Information processing apparatus, program, and information processing method | |
| CN105095894A (en) | Noncontact type book scanning equipment | |
| CN101017567A (en) | Method and device for transforming digital photo to portrait sketch painting | |
| WO2022021782A1 (en) | Method and system for automatically generating six-dimensional posture data set, and terminal and storage medium | |
| CN113902851A (en) | Face three-dimensional reconstruction method and device, electronic equipment and storage medium | |
| CN104809757A (en) | Device and method combing and matching three-dimensional point cloud through colors and shapes | |
| Sun et al. | Geometric and photometric restoration of distorted documents | |
| EP3777596A1 (en) | Method of measuring the shape and dimensions of human body parts | |
| CN116452745A (en) | Hand modeling, hand model processing method, device and medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |