KR20170075411A - matlab based 3 dimensional printer using line laser - Google Patents
matlab based 3 dimensional printer using line laser Download PDFInfo
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- KR20170075411A KR20170075411A KR1020150185027A KR20150185027A KR20170075411A KR 20170075411 A KR20170075411 A KR 20170075411A KR 1020150185027 A KR1020150185027 A KR 1020150185027A KR 20150185027 A KR20150185027 A KR 20150185027A KR 20170075411 A KR20170075411 A KR 20170075411A
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- line laser
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- matlab
- coordinate system
- dimensional printer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- B29C67/0085—
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- 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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Graphics (AREA)
- Geometry (AREA)
- Software Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
In a configuration of a three-dimensional printer apparatus for converting a two-dimensional image into a three-dimensional image using a MATLAB according to an embodiment of the present invention, a configuration of a three-dimensional printer apparatus using a MATLab, A line laser part 100 for irradiating a line laser with respect to the line laser; A camera unit 200 provided at one side of the line laser unit 100 to acquire a shape of a measurement object obtained through the line laser; A station 300 including a plate 310 for placing a measurement object and a rail 320 for moving the plate 310 in both directions provided on a bottom surface of the plate 310; And a sub-MATL transform for converting the two-dimensional image obtained through the camera unit 200 into a three-dimensional coordinate system.
Description
The present invention relates to a three-dimensional printer based on a MATLAB using a line laser, in which a line laser is used to rotate an object with respect to a specific axis, a line laser is irradiated on the object, The present invention relates to a configuration of a 3D scanner that acquires the shape of an object through a camera and implements a 3D image using a matlab.
The 3D scanning technique refers to a technique of acquiring and converting physical shape information of an object into three-dimensional digital data information through a three-dimensional scanner, and the three-dimensional digital data is obtained by transforming the surface shape information of an object into an infinite number of three- , Y, and Z axes) information.
There are various methods of acquiring surface information of an object through a 3D scan. A method using laser, a method using a pattern, and a stereo camera method are representative methods for obtaining surface information of an object. The goal of a 3D scan is to accurately acquire surface information of an actual object. In the standard, the dimensions of the object were directly measured and information was obtained manually by using the measuring tools to obtain the shape information of the specific product. However, this method can not guarantee the accurate result and required a lot of working time. On the other hand, since the 3D scanner is used, it can acquire the whole shape information of the product easily and quickly, and it is used actively in various industrial fields including the medical field because it provides the accurate result quickly.
3D scanners are divided into Optical Scanners, Arm Scanners, CT Scanners, and Hand-held Scanners depending on the scanning method. When we divide these various scanning solutions into size and accuracy of products, optical method is a method of measuring using laser points. These instruments are suitable for measuring burrs during machining and for measuring semiconductors and micro structures.
Industrial CT is used for measurement of human body in the past. This method is widely used for measurement of industrial products in recent years, and is suitable for measurement of products whose internal shape is complex or incapable of cutting.
The laser method is a measurement method using a laser line. It is suitable for measuring black materials which are difficult to measure, or products with high reflection.
The white light method is the most widely used method in recent years and has a high precision. In recent years, a halogen light source has been replaced with an LED method. LEDs are less influenced by the material as well as the life of the lamp. The Time of Flight method is used for measurement and measurement of buildings and large objects.
In the case of a three-dimensional matrix printer based on a line laser according to an embodiment of the present invention, a line laser is used to rotate an object with respect to a specific axis, a line laser is irradiated on the object, And a 3D scanner that realizes a 3D image using a matlab by acquiring the shape of an object expressed by a camera through a camera.
A three-dimensional printer according to an embodiment of the present invention is a three-dimensional printer apparatus using a MATLAB that uses a line laser. The three-dimensional printer apparatus includes a line laser (100); A
In the meantime, the measurement object is irradiated with a light beam from the
In the sub-MATL transform, the two-dimensional image of the measurement object obtained through the
According to the embodiment of the present invention, a 3D scanning program for obtaining a 3D image by irradiating a moving object with a line laser is manufactured based on a matlab based on a MATLAB-based three-dimensional printer using a line laser . There are various methods for acquiring surface information of an object through a 3D scan. Among them, scanning technique using line warping according to surface curvature is used when line laser is irradiated on an object. By analyzing this, three-dimensional information about the surface of the object can be obtained. This study will provide a structure that can easily obtain the whole shape information of the product within a short time and provide accurate result value quickly.
FIG. 1 is a configuration diagram showing a configuration of a three-dimensional printer based on a MATLab using a line laser according to an embodiment of the present invention.
FIG. 2 illustrates conversion of a two-dimensional image obtained using a MATLAB to a three-dimensional coordinate system in a MATLAB-based three-dimensional printer using a line laser according to an embodiment of the present invention.
3 is a photograph of an object to be measured using a three-dimensional printer based on a MATLAB using a line laser according to an embodiment of the present invention.
FIG. 4 is a diagram illustrating a process of converting a two-dimensional image of an object to be measured using a three-dimensional coordinate system using a three-dimensional printer based on a MATLAB using a line laser according to an embodiment of the present invention.
Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. It is to be understood, however, that the spirit of the invention is not limited to the embodiments shown and that those skilled in the art, upon reading and understanding the spirit of the invention, may easily suggest other embodiments within the scope of the same concept.
FIG. 1 is a configuration diagram showing a configuration of a three-dimensional printer based on a MATLab using a line laser according to an embodiment of the present invention.
A three-dimensional printer apparatus using a MAT-LAP, which includes a
In this case, the measurement object is irradiated with a light beam from the
The MATLAB conversion unit converts the two-dimensional image of the measurement object obtained through the
FIG. 2 illustrates conversion of a two-dimensional image obtained using a MATLAB to a three-dimensional coordinate system in a MATLAB-based three-dimensional printer using a line laser according to an embodiment of the present invention. 3 is a photograph of an object to be measured using a three-dimensional printer based on a MATLAB using a line laser according to an embodiment of the present invention. FIG. 4 is a diagram illustrating a process of converting a two-dimensional image of an object to be measured using a three-dimensional coordinate system using a three-dimensional printer based on a MATLAB using a line laser according to an embodiment of the present invention.
This shows how to get the most ideal mathematical straight line, or line, by combining curve fitting techniques. Curve fitting is a method of obtaining the ideal mathematical straight line or curve that can represent the data using realistic data.
That is, in MATLAB, the Curve fitting Toolbox is a preprocessing operation that delimits or softens the data. The 2015 edition of Matlab is an app that can be clicked once. It is fitting data to a function built in the Toolbox or a user-specified function, or fitting data into smooth curves. And if X, Y, and Z axes are a good advantage, it can visualize the data in three dimensions and store it in various forms for analysis.
The figure on the left shows the curve fitting. The orange square allows you to specify the desired axis, and the yellow square allows you to select the shape of the shape in the graph. The blue rectangle determines whether it automatically fits. In a purple rectangle, a calculation is performed on a given axis to determine the appearance of the green rectangle.
Through this, the 3D object, which is a real object, is captured by a camera and then converted into a 3D coordinate system in the computer. To do this, the camera and the laser are fixed to a casing capable of dark environment, and the camera calibration and various calculation equations are made using matlab.
Through the above-described constitution and process, the measurement object shown in Fig. 3 is lifted and the rail is moved in the state of the dark film in which the lid with the laser is closed. At that time, we obtain information of several frames and give the same result as the picture below.
In the embodiment of the present invention, a 3D scanning program for acquiring a 3D image by irradiating a moving object with a line laser is constructed based on a matlab. There are various methods for acquiring surface information of an object through a 3D scan. Among them, scanning technique using line warping according to surface curvature is used when line laser is irradiated on an object. By analyzing this, three-dimensional information about the surface of the object can be obtained. This study will provide a structure that can easily obtain the whole shape information of the product within a short time and provide accurate result value quickly.
100.
300.
320. Le Mans
Claims (3)
A line laser section (100) provided at one side for irradiating a measurement object with a line laser;
A camera unit 200 provided at one side of the line laser unit 100 to acquire a shape of a measurement object obtained through the line laser;
A station 300 including a plate 310 for placing a measurement object and a rail 320 for moving the plate 310 in both directions provided on a bottom surface of the plate 310;
And a sub-MATL transform for converting the two-dimensional image obtained through the camera unit 200 into a three-dimensional coordinate system.
Wherein, in the dark state,
Wherein the line laser unit (100) irradiates a light beam, and the camera unit (200) acquires an image and changes the three-dimensional coordinate system to a three-dimensional coordinate system.
In the sub-MATLAB conversion,
Dimensional image of the measurement object obtained through the camera unit 200 is converted into a three-dimensional image by three-dimensional coordinate system conversion through curve fitting. Three-dimensional printer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150185027A KR20170075411A (en) | 2015-12-23 | 2015-12-23 | matlab based 3 dimensional printer using line laser |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150185027A KR20170075411A (en) | 2015-12-23 | 2015-12-23 | matlab based 3 dimensional printer using line laser |
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| KR20170075411A true KR20170075411A (en) | 2017-07-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098496A (en) * | 2018-10-26 | 2020-05-05 | 康达智株式会社 | Three-dimensional modeling apparatus, control method for the same, and control program for the same |
| CN112833784A (en) * | 2021-01-04 | 2021-05-25 | 中铁四局集团有限公司 | Steel rail positioning method combining monocular camera with laser scanning |
| CN116080290A (en) * | 2022-12-29 | 2023-05-09 | 上海魅奈儿科技有限公司 | Three-dimensional high-precision fixed-point printing method and device |
-
2015
- 2015-12-23 KR KR1020150185027A patent/KR20170075411A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111098496A (en) * | 2018-10-26 | 2020-05-05 | 康达智株式会社 | Three-dimensional modeling apparatus, control method for the same, and control program for the same |
| CN112833784A (en) * | 2021-01-04 | 2021-05-25 | 中铁四局集团有限公司 | Steel rail positioning method combining monocular camera with laser scanning |
| CN116080290A (en) * | 2022-12-29 | 2023-05-09 | 上海魅奈儿科技有限公司 | Three-dimensional high-precision fixed-point printing method and device |
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