CN206311076U - Very fast 3D anthropometric scanning instrument based on speckle - Google Patents
Very fast 3D anthropometric scanning instrument based on speckle Download PDFInfo
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- CN206311076U CN206311076U CN201720006853.5U CN201720006853U CN206311076U CN 206311076 U CN206311076 U CN 206311076U CN 201720006853 U CN201720006853 U CN 201720006853U CN 206311076 U CN206311076 U CN 206311076U
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- speckle
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- anthropometric scanning
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Abstract
The utility model discloses a kind of very fast 3D anthropometric scanning instrument based on speckle, including four main measurement columns, respectively positioned at left front, right front, left back, the right back of human body to be measured, there are each described main measurement column four main measurement columns two to be located at the main measurement column top, the main measurement head of bottom respectively；The very fast 3D anthropometric scanning instrument based on speckle also has the secondary measurement column of scanning human body face, and the secondary measurement column has a secondary measurement head；The main measurement head, secondary measurement head all have black and white camera unit, color camera unit and the speckle projector.Compared to prior art, very fast 3D anthropometric scanning instrument of the utility model based on speckle scans the secondary measurement head of human body face due to being provided with, and so as to improve the precision of facial cloud data, solves the problems, such as that the face data precision of existing scanner is low.
Description
Technical field
The utility model is related to a kind of very fast 3D anthropometric scanning instrument based on speckle.
Background technology
Body scans are that human body is irradiated with light or ray, and obtain the imaging side of human body three-dimensional data according to this
Method, is widely used in 3D printing, human body shaping, motion analysis, custom made clothing, game production of film and TV, virtual reality and virtual
In the fields such as fitting.For example, when true man's model 3D printing is carried out, first having to obtain the three-dimensional data of human body；And controlled in medical science
Treatment aspect, the quick human body face three-dimensional data that obtains is to formulate more preferable shaping, the premise of orthomorphia scheme.At present, according to
Function classification, body scanning techniques mainly have partial sweep, body scan.Body local scanning technique is first to each office of human body
Portion is scanned, and is then again spliced the partial sweep, so as to obtain the three-dimensional data of whole human body.Swept due to local
Retouch and can be produced again when there is error, followed by Overlap-scanning in itself error and be superimposed, thus partial sweep technology can have it is larger
Distortion.Due to needing to be scanned splicing, partial sweep is not met by obtaining in real time the demand of three-dimensional data.Body scan
It is based on grating, laser or infrared is scanned.Body scans based on grating using structured light technique, phase measurement,
The non-contact measuring technology that computer vision technique is combined, every time scanning can only obtain a characteristic face, in scanning human body
When need repeatedly projection grating, sweep time is more long；Laser body scanning techniques obtain object table using a plurality of line beam laser
The three-dimensional point cloud in face, locus of the scanner in scanning process is determined by visual indicia, so as to complete human body point cloud
Three-dimensionalreconstruction；Infrared human body scanning is a kind of scan mode based on echelette Depth Imaging principle, by infrared structure
Grating light projector, measurement camera lens captures the depth information of human body, and then draws the three dimensional point cloud of human body.Foregoing scan mode
In, sweep time is more long, and requires that scanned object can not be rocked, and easily produces the error of point cloud.Also, it is foregoing to sweep
The mode of retouching cannot solve the scanning problem at the black such as hair position, and the effect of texture mapping is also very poor.
In view of the above problems, it is necessary to a kind of new 3D anthropometric scanning instrument is provided, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of very fast 3D anthropometric scanning instrument based on speckle, should be based on speckle
Very fast 3D anthropometric scanning instrument scans the secondary measurement head of human body face due to being provided with, so as to improve the essence of facial cloud data
Degree, solves the problems, such as that the face data precision of existing scanner is low.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of very fast 3D anthropometric scanning instrument based on speckle, including four main measurement columns, four main measurement columns point
Not Wei Yu human body to be measured left front, right front, left back, right back, each described main measurement column have two difference positions
In the main measurement column top, the main measurement head of bottom；The very fast 3D anthropometric scanning instrument based on speckle also has scanning
The secondary measurement column of human body face, the secondary measurement column has a secondary measurement head；The main measurement head, secondary measurement head all have black
White camera unit, color camera unit and the speckle projector.
Further：The black and white camera unit of the main measurement head is two, and is located at the color camera unit respectively
Both sides.
Further：The main measurement head also has light compensating lamp, and the light compensating lamp, the speckle projector are located at described black respectively
In vain between camera unit, color camera unit, and the light compensating lamp, the speckle projector are symmetrical on the color camera unit.
Further：The very fast 3D anthropometric scanning instrument based on speckle also has the first trigger element so that described
Color camera unit, light compensating lamp are synchronously triggered.
Further：The very fast 3D anthropometric scanning instrument based on speckle also has the second trigger element so that described
Black and white camera unit, the speckle projector are synchronously triggered.
Further：The main measurement head, secondary measurement head also have angle regulating unit, to adjust the black and white camera list
Unit, color camera unit, the angle of pitch of the speckle projector.
Further：The secondary measurement column also has height adjusting unit, to adjust the height of the secondary measurement head.
Further：The very fast 3D anthropometric scanning instrument based on the speckle also plane reference plate with white background stain.
Further：The speckle projector is including flash lamp, the speckle piece positioned at the flash lamp side, positioned at described
Flash lamp deviates from the speckle mirror of the flash lamp side away from the convergent bowl of the speckle piece side and positioned at the speckle piece
Head.
Further：The speckle projector also fills with the booster circuit and control being engaged with the flash lamp
Electricity, the triggers circuit of electric discharge.
The beneficial effects of the utility model are：The utility model is based on the very fast 3D anthropometric scanning instrument of speckle due to setting
The secondary measurement head of scanning human body face is equipped with, so as to improve the precision of facial cloud data, the face of existing scanner is solved
The low problem of portion's data precision.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 show the structural representation that the utility model is based on the very fast 3D anthropometric scanning instrument of speckle.
It is the structural representation of main measurement column shown in Fig. 2.
It is the structural representation of main measurement head shown in Fig. 3.
Fig. 4 show the structural representation of secondary measurement column.
Fig. 5 is the structural representation of another angle of secondary measurement column shown in Fig. 4.
Fig. 6 show the structural representation of secondary measurement head.
Fig. 7 show the structural representation of the speckle projector.
Fig. 8 show the cooperation schematic diagram of booster circuit, triggers circuit and flash lamp.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
Refer to shown in Fig. 1 and Fig. 2, the very fast three-dimensional people based on speckle shown in the preferred embodiment of the utility model one
Swept-volume instrument 100 includes four main measurement columns 10, the secondary measurement column 20, trigger element (not shown) of scanning human body face, demarcates
Plate (not shown) and workbench 30.
Refer to shown in Fig. 1, Fig. 2 and Fig. 3, four main measurement columns 10 are respectively positioned at the left front of human body to be measured 40
Side, right front, left back and right back, four main measurement columns 10 constitute a quadrangle, and the workbench 30 is located at should
On the diagonal intersection point of quadrangle.In the present embodiment, the quadrangle is square.The main measurement column 10 has two points
Not Wei Yu the top of the main measurement column 10, the main measurement head 11 of bottom, the main measurement head 11 have black and white camera unit 111,
Color camera unit 112, the speckle projector 113, light compensating lamp 114 and angle regulating unit (not shown).The black and white camera
Unit 111 is two, and respectively positioned at the both sides of the color camera unit 112.The speckle projector 113, light compensating lamp 114
It is located between the black and white camera unit 111, color camera unit 112 respectively, and the speckle projector 113, light compensating lamp 114
It is symmetrical on the color camera unit 112.The trigger element has the first trigger element and the second trigger element, described
First trigger element causes the synchronous triggering of the color camera unit 112, light compensating lamp 114；Second trigger element causes institute
State the synchronous triggering of black and white camera unit 111, the speckle projector 113.The angle regulating unit adjusts the black and white camera unit
111st, the luffing angle of color camera unit 112, the speckle projector 113 and light compensating lamp 114.
Refer to shown in Fig. 7 and Fig. 8, the speckle projector 113 is with light diffuser 1131, positioned at the flash lamp
The speckle piece 1132 of 1131 sides, the convergent bowl 1133, position for deviating from the side of speckle piece 1132 positioned at the flash lamp 1131
Match away from the speckle camera lens 1134 of the side of the flash lamp 1131 and with the flash lamp 1131 in the speckle piece 1132
The booster circuit 1135 and triggers circuit 1136 of conjunction.The booster circuit 1135 provides suitable electricity for the flash lamp 1131
Pressure.The control of the triggers circuit 1136 is charged, electric discharge, to realize the glittering of the flash lamp 1131.The convergent bowl 1133
Reflecting surface is that the curved surface for being formed is rotated by parabola.The flash lamp 1131 is located at the parabolical focus.The speckle mirror
First 1134 is C mouth mirror heads.The speckle projector 113 is due to having used the convergent bowl 1133, so that the flash lamp
1131 are fully used to the light sent away from the direction of the speckle piece 1132, so as to improve the service efficiency of light,
And manufacturing cost is relatively low.
Refer to Fig. 4, Fig. 5, Fig. 6 and combine shown in Fig. 1, the secondary measurement column 20 is used to scan human body face, positioned at institute
State on the midpoint of quadrangle a line.The secondary measurement column 20 has the height adjusting unit positioned at the top of the secondary measurement column 20
21st, on the height adjusting unit 21 angle regulating unit 22 and in the angle regulating unit 22
Secondary measurement head 23.The height adjusting unit 21 automatically adjusts the height of the secondary measurement head 23 according to human height.In this reality
In applying example, the human height be by laser range finder measure the laser range finder respectively to ground and the measured crown it
Between distance so as to indirectly obtain human height value.The angle regulating unit 22 is used to adjust the pitching of the secondary measurement head 23
Angle.In the present embodiment, the luffing angle of the secondary measurement head 23 is 25 °.Assuming that human height is H1；The secondary measurement head
23 height is H2, and luffing angle is α；Human body is L with the distance of the secondary measurement head 23；Then H2=H1-L*tan α.Due to setting
The height adjusting unit 21, angle regulating unit 22 are equipped with, so that the utility model is based on the very fast three-dimensional people of speckle
Swept-volume instrument 100 can scan the human body of different height, camera breadth can be captured in the range of certain spatial variations by
Sweep object, and then improve the flexibility for measuring under various circumstances.The secondary measurement head 23 includes black and white camera unit
231st, color camera unit 232 and the speckle projector 233.The black and white camera unit 232 is two, the color camera list
Unit 232 is located between the black and white camera unit 231, and the speckle projector 233 is located at the black and white camera unit 231 and coloured silk
Between color camera unit 232.The utility model is based on the very fast 3D anthropometric scanning instrument 100 of speckle due to having used scanning human body
The secondary measurement column 20 of face, so as to preferably improve the scanning accuracy of human body face.The scaling board is flat for white background stain
Face scaling board.When polyphaser global calibration is carried out, the scaling board is placed on the workbench 30 first, then again will
The demarcation board placing goes out at least 24 kinds different positions and poses, then the main measurement head 11, the secondary synchronous acquisition of measurement head 23 difference position
The image of appearance, and image to collecting carries out data processing, so as to obtain the inner parameter and external parameter of all cameras.
When the very fast 3D anthropometric scanning instrument 100 of speckle is based on using the utility model, the scaling board is put first
Put on the workbench 30, then control the main measurement head 11, secondary measurement head 23 to gather the scaling board difference by software
The image of angle, orientation, and by obtaining the inner parameter and external parameter of all cameras after data processing.Then, according to people
The height of body, automatically adjusts the main measurement head 11, the luffing angle and the height of the secondary measurement head 23 of secondary measurement head 23.Connect
, at least 27 photos of the main measurement head 11, the secondary synchronous acquisition human body of measurement head 23 difference angle are controlled by software.
In data acquisition, the black and white camera unit 111,231 and the speckle projector 113,233 are synchronously triggered；The coloured silk
Color camera unit 112,232 and the synchronous triggering of light compensating lamp 114.In this way, the precision of gathered data can be effectively improved, reduce a little
Cloud matching error, the time required to model generation is greatly shortened.Whole data acquisition only needs to 1.25 milliseconds, is prevented effectively from
Because human body rocks the adverse effect brought to scanning result.Then, the data all black and white cameras collected by software
Digital picture related operation is carried out, realizes that point cloud is rebuild；The colour picture that all color cameras are collected is used for point cloud coloring.
After completing point cloud reconstruction, the point cloud that different measurement heads are obtained is carried out into splicing registration, so that the complete cloud data of human body is obtained,
And cloud data is merged, is simplified and trigonometric ratio treatment, further obtain band the colorful one complete human body's data model.
Finally, the measurement and size extraction of part or specified location are carried out to somatic data model, to meet virtual fitting, medical shaping
Deng the demand to human dimension.
In sum：The utility model is based on the very fast 3D anthropometric scanning instrument 100 of speckle due to being provided with scanning human body
The secondary measurement head 23 of face, so as to improve the precision of facial cloud data, solves the face data precision of existing scanner
Low problem.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of very fast 3D anthropometric scanning instrument based on speckle, including four main measurement columns, four main measurement column difference
Positioned at the left front of human body to be measured, right front, left back, right back, each described main measurement column has two and is located at respectively
The main measurement column top, the main measurement head of bottom；It is characterized in that：The very fast 3D anthropometric scanning instrument based on speckle is also
Secondary measurement column with scanning human body face, the secondary measurement column has a secondary measurement head；The main measurement head, secondary measurement head
All there is black and white camera unit, color camera unit and the speckle projector.
2. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 1, it is characterised in that：The main measurement head
Black and white camera unit is two, and respectively positioned at the both sides of the color camera unit.
3. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 2, it is characterised in that：The main measurement head is also
With light compensating lamp, the light compensating lamp, the speckle projector are located between the black and white camera unit, color camera unit respectively, and
The light compensating lamp, the speckle projector are symmetrical on the color camera unit.
4. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 3, it is characterised in that：It is described based on speckle
Very fast 3D anthropometric scanning instrument also has the first trigger element so that the color camera unit, light compensating lamp are synchronously triggered.
5. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 1, it is characterised in that：It is described based on speckle
Very fast 3D anthropometric scanning instrument also has the second trigger element so that the black and white camera unit, the speckle projector are synchronously triggered.
6. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 1, it is characterised in that：The main measurement head,
Secondary measurement head also has angle regulating unit, is bowed with adjusting the black and white camera unit, color camera unit, the speckle projector
The elevation angle.
7. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 1, it is characterised in that：The secondary measurement column is also
With height adjusting unit, to adjust the height of the secondary measurement head.
8. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 1, it is characterised in that：It is described based on speckle
The very fast 3D anthropometric scanning instrument also plane reference plate with white background stain.
9. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 1, it is characterised in that：The speckle projector
Deviate from the optically focused of the speckle piece side including flash lamp, the speckle piece positioned at the flash lamp side, positioned at the flash lamp
Bowl and positioned at the speckle piece away from the flash lamp side speckle camera lens.
10. the very fast 3D anthropometric scanning instrument of speckle is based on as claimed in claim 9, it is characterised in that：The speckle projection
Device also has the booster circuit and control charging, the triggers circuit of electric discharge being engaged with the flash lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006853.5U CN206311076U (en) | 2017-01-04 | 2017-01-04 | Very fast 3D anthropometric scanning instrument based on speckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006853.5U CN206311076U (en) | 2017-01-04 | 2017-01-04 | Very fast 3D anthropometric scanning instrument based on speckle |
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| CN206311076U true CN206311076U (en) | 2017-07-07 |
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| CN201720006853.5U Expired - Fee Related CN206311076U (en) | 2017-01-04 | 2017-01-04 | Very fast 3D anthropometric scanning instrument based on speckle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961393A (en) * | 2018-06-29 | 2018-12-07 | 杭州光珀智能科技有限公司 | A kind of human body modeling method and device based on point cloud data stream |
| CN109242890A (en) * | 2017-07-10 | 2019-01-18 | 极光飞行科学公司 | Laser speckle system and method for aircraft |
| CN109671143A (en) * | 2018-12-23 | 2019-04-23 | 广东腾晟信息科技有限公司 | Human body intelligent modeling method |
| CN110033047A (en) * | 2019-04-18 | 2019-07-19 | 苏州临点三维科技有限公司 | A kind of non-contact 3-D measuring system |
| CN111982025A (en) * | 2020-08-21 | 2020-11-24 | 苏州合之木智能科技有限公司 | Point cloud data acquisition method and system for mold detection |
| CN112330732A (en) * | 2020-09-29 | 2021-02-05 | 先临三维科技股份有限公司 | Three-dimensional data splicing method, three-dimensional scanning system and handheld scanner |
-
2017
- 2017-01-04 CN CN201720006853.5U patent/CN206311076U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109242890A (en) * | 2017-07-10 | 2019-01-18 | 极光飞行科学公司 | Laser speckle system and method for aircraft |
| CN109242890B (en) * | 2017-07-10 | 2023-09-08 | 极光飞行科学公司 | Laser speckle system and method for aircraft |
| CN108961393A (en) * | 2018-06-29 | 2018-12-07 | 杭州光珀智能科技有限公司 | A kind of human body modeling method and device based on point cloud data stream |
| CN109671143A (en) * | 2018-12-23 | 2019-04-23 | 广东腾晟信息科技有限公司 | Human body intelligent modeling method |
| CN110033047A (en) * | 2019-04-18 | 2019-07-19 | 苏州临点三维科技有限公司 | A kind of non-contact 3-D measuring system |
| CN110033047B (en) * | 2019-04-18 | 2023-06-16 | 联恒光科(苏州)智能技术有限公司 | Non-contact three-dimensional measurement system |
| CN111982025A (en) * | 2020-08-21 | 2020-11-24 | 苏州合之木智能科技有限公司 | Point cloud data acquisition method and system for mold detection |
| CN112330732A (en) * | 2020-09-29 | 2021-02-05 | 先临三维科技股份有限公司 | Three-dimensional data splicing method, three-dimensional scanning system and handheld scanner |
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