CN206073939U - A kind of body surface area Fast measurement system device based on three-dimensional measurement technology - Google Patents
A kind of body surface area Fast measurement system device based on three-dimensional measurement technology Download PDFInfo
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- CN206073939U CN206073939U CN201620887434.2U CN201620887434U CN206073939U CN 206073939 U CN206073939 U CN 206073939U CN 201620887434 U CN201620887434 U CN 201620887434U CN 206073939 U CN206073939 U CN 206073939U
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Abstract
The utility model proposes a kind of body surface area Fast measurement system device based on three-dimensional measurement technology, specifically include three-dimensional measurement and surface area computing subsystem, three parts of control subsystem and mechanical mechanism subsystem constitute, by to body surface three-dimensional data reconstruction, the accurate measurement of body surface area is completed, while devising a series of fast processing flow：Scan multiple objects under test simultaneously, support that omnidirectional three-dimensional data are gathered simultaneously using many three-dimension measuring systems, a key scanning of 3 d measurement data, key optimization, and a key derive measurement report.The utility model proposes body surface area measuring system device it is simple to operate, can fast and accurately complete measuring task, greatly accelerate the detection measurement procedure of body surface area.
Description
Technical field
This utility model is related to article quality detection e measurement technology, and in particular to a kind of object based on three-dimensional measurement technology
Surface area carries out the system and device of accurate quick measurement.
Background technology
At present, surface area measurement has in fields such as food safety, detection quarantine, law court's identification, medical diagnosiss and widely should
With the measurement to surface area at present is mainly by means of artificial method, using traditional survey tool such as slide gauge, tape measure
The length, width and height and diameter equidimension in object different shape region are measured Deng instrument, then according to body surface zones of different reality
The shape on border, carries out all of region of adding up after surface area approximate calculation, and then obtains the total surface area of object to each region,
But there is problems with these methods：(1) measuring speed is slow, and (2) certainty of measurement is low, and (3) measurement efficiency is low.
It is above-mentioned actual in body surface area measurement in order to solve the problems, such as, the utility model proposes a kind of be based on three-dimensional reconstruction
The accurate rapid measurement device of body surface area of technology, by the method for computer stereo vision, carries out three to the surface of object
Dimension scan rebuilding, and then obtain the surface three dimension data of object, then the three-dimensional data of the body surface to reconstructing carry out point
Analysis survey calculation, quickly obtains the accurate surface area of body surface, and a key generates examining report and is stored in archives.Also solve simultaneously
Different personnel's hand dipping differences are big, it is impossible to the problems such as reviewing to testing result.
The content of the invention
The purpose of this utility model is the surface area for fast and accurately Measuring Object, it is proposed that a kind of based on three-dimensional survey
Amount technique construction body surface three-dimensional data, the method for Measuring Object surface area are devised and a set of facilitate easy-to-use measuring system
Device.
To realize the purpose of this utility model, employ the following technical solutions and be achieved：It is a kind of to be based on three-dimensional measurement technology
Body surface area accurate measuring systems by three-dimensional measurement and surface area computing subsystem, control subsystem and mechanical mechanism three are big
Part constitutes.
(1) three-dimensional measurement and surface area computing subsystem are by visual processes computer, high accuracy luminous scaling board, high definition phase
Machine (monocular, binocular or many mesh cameras), structure light or laser generator and systems soft ware composition, for generating three-dimensional data and number
According to display, wherein high definition camera, structured light generators and corresponding software composition three-dimension measuring system, the subsystem includes at least one
Set three-dimension measuring system；
(2) control subsystem, is connected with three-dimensional measurement with surface area computing subsystem, and which is by motor, controller, axle
Hold and constitute with rotation platform, for the splicing of matching object multi-view image data acquisition and three-dimensional data.
(3) mechanical mechanism subsystem, is connected with three-dimensional measurement with surface area computing subsystem and control subsystem, and which is by machine
Cabinet, electric machine support, fixed support, governor motion composition, for connecting, installing, fix, all parts of adjustment equipment.
Three-dimensional measurement described in the utility model and surface area computing subsystem, its principle is that have using camera continuous acquisition
The view data of structure light, is realized treating the surface three dimension data reconstruction of Measuring Object by three-dimensional reconstruction, obtains object
The three-dimensional data on surface, and then carry out the three-dimensional data for obtaining after a series of process to three-dimensional data, by calculating its turn
Tri patch data are turned to, and the surface area in object region to be measured are calculated according to tri patch；One is taken by appointing in interior of articles
Point, sets up to be connected to form pyrometric cone with all tri patchs, according to the accumulation of all triangular pyramids plus read group total object under test body
Product.Three-dimensional measurement described in which can cover the little cambered surface details number of object when working using two sets of three-dimension measuring systems simultaneously
According to collection and big cambered surface general frame data acquisition.
The utility model proposes three-dimensional measurement and surface area computing subsystem in, the visual processes computer is by high property
Can computer and camera trigger controller composition, be responsible for the synchronous acquisition of polyphaser view data, data operation, data storage and
Data display；The camera is monocular, binocular or many mesh high definition cameras, by the camera trigger controller and the high-performance
Computer connects；Demarcation panel used in described scaling method is made using high-precision laser marking, and high precision reaches +/-
0.0001mm, while carrying LED area light source provides illumination, brightness uniformity, surface Jing diffuse-reflectance are processed, panel no-reflection；It is described
Structured light generators produce the project structured light of phase shift, Gray code or two kinds of fusions to determinand surface；The system software package
Camera calibration module, high speed three-dimensional measurement module, data processing module, data analysis module and system control module are included, is led to
Motor motion described in the system software controls is crossed, collection view data is analyzed calculating, shows three-dimensional data and knot
Fruit shows.
Control subsystem main purpose described in the utility model is auxiliary three-dimensional measurement and surface area computing subsystem reality
Image data acquiring and three-dimensional data now to Measuring Object all angles is rebuild, and the three-dimensional data of each position angle passes through
The complete surface three dimension data of automatic Mosaic algorithm synthetic body.The controller is connected by computer, and gives the control
Device sends order, controls the motor motion, and then drives the rotation platform to rotate to an angle；By the rotation
Platform band animal body is rotated, and can photograph the picture of object under test different visual angles, to generate the three-dimensional data of different visual angles, is led to
Cross three-dimensional data stitching algorithm the three-dimensional data of different visual angles is transformed under the same coordinate system, so as to obtain the complete of target object
Whole three-dimensional data.Index point splicing, no marks point merging features and rotation platform splicing three are supported in described three-dimensional data splicing
The mode of kind, three kinds of connecting methods are complementary to one another, mutually promote so that different visual angles three-dimensional data can be spelled at high speed, in high precision
Connect.
Mechanical mechanism subsystem described in the utility model is by bearing, electric machine support and for installing photographic head and structure light
The fixed support composition of generator, the support for installing camera have two-dimensional freedom, act primarily as the effect supported with angular adjustment.
Specifically framework is：One, two or more video cameras be fixed on the cuboid support in mechanical mechanism, apart from video camera
At a certain distance from lay structured light generators.One two-dimensional adjustment mechanism is installed in fixed support bottom, for driving three-dimensional
Measuring system or so, (XY direction of principal axis) is rotated upwardly and downwardly to specified angle.
The utility model proposes three-dimensional measurement and surface area computing subsystem in, described surface area and volume calculate bag
Measurement result output is included to data base, supports that a key prints measurement report, the projection view comprising object three-dimensional data in report
(being 1: 1 with object size ratio).
The utility model proposes control subsystem in, motor drive turntable rotation precision using laser test
Method, verifies to which, while the index point to being attached on rotating disk is carried out, and three-dimensional data reconstruction is counter to push away rotation error, carries out error
Correction.The rotation platform support level rotation, lifting, inclination multiaxial motion；The rotation platform table top is using band energy of adsorption
Power silica gel plate or other similar materials are made, and object is placed on, and prevents object moving influence
Certainty of measurement；The rotation platform can also be replaced using conveyer belt, support object streamline three-dimensional measurement operation, while carrying out
Mass of object is detected, is sorted according to mass of object testing result.
The utility model proposes three-dimensional measurement and surface area computing subsystem in, described three-dimension measuring system can lead to
Top, bottom, front portion, rear portion and the left and right side that rack is arbitrarily moved on vertical, horizontal guide rail is crossed, so as to measuring targets
Carry out multi-faceted data measurement；When three-dimension measuring system moves to bottom, object is scanned up, bottom turntable can be using saturating
Bright glass is replaced, and object bottom three-dimensional data is obtained easily；The three-dimension measuring system can also be mounted directly be set to more
The top of rack, bottom, front portion, rear portion and left and right side, direct measuring targets carry out omnidirectional three-dimensional DATA REASONING.
Compared with prior art, the beneficial effects of the utility model are：
1. high precision.An automatic measurement system is proposed, and the three of object is obtained by the three-dimensional reconstruction to body surface
Dimension data, realizes the areal calculation to arbitrarily complicated body surface using the three-dimensional data for obtaining, due to three based on structure light
Dimension is rebuild and can realize very high precision, and it is approximate to body surface irregular surface to pass through the artificial method for calculating
Be simulated for regular surfaces and calculate, the utility model proposes system, computational accuracy is more preferable.
2. speed is fast.The utility model proposes system can with single realize to while multiple objects rebuild and measure,
Avoid artificial method from measuring to each object respectively every time, measuring speed faster, while supporting one-touch printing
Measurement report, and assembly line work.
3. process is simple.Mechanical part is only by the motor and fixing camera of two degree of freedom, structured light generators and peace
Dress support composition, processing, it is easy for installation.
Description of the drawings
Fig. 1 is system and device schematic diagram of the present utility model (the left and right schematic diagram for different visual angles), wherein 1, three-dimensional survey
Amount system a, 2, three-dimension measuring system b, 3, control subsystem, 4, mechanical mechanism.
Fig. 2 is the three-dimension measuring system schematic diagram based on binocular camera of the present utility model, wherein 1, left video camera (contains phase
Machine fixed support), 2, structure light or laser generator, 3, right video camera (contain camera fixing support), 4, fixed support.
Sectional views of the Fig. 3 for control subsystem different visual angles, wherein 1, rotation platform, 2, bearing, 3, motor, 4, motor control
Device processed, 5, motor power, 6, structure light or laser generator power supply.
Fig. 4 is high-precision calibrating plate pictorial diagram of the present utility model.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further details.It is a kind of to be surveyed based on three-dimensional
The system and device of amount technology accurate measurement body surface area calculates subsystem with surface area as shown in figure 1, specifically including three-dimensional measurement
System, mainly connects visual processes computer and systems soft ware by the three-dimension measuring system a 1, three-dimension measuring system b 2 that have in Fig. 1
Composition, for generating three-dimensional data；Control subsystem 3, is connected with three-dimensional measurement with surface area computing subsystem, for coordination compound
The splicing of body multi-view image data acquisition and three-dimensional data；Mechanical mechanism subsystem 4, calculates son with surface area with three-dimensional measurement
System and control subsystem connection, for installing, fixing, all parts of adjustment equipment.
Fig. 2 is three-dimensional measurement and three-dimension measuring system detailed structure view in surface area computing subsystem, by two high definition phases
Machine 1,3, structure light or laser generator 2 and its regulation fixed support 4 are constituted；In actual measurement application, according to user's request, can
To configure one, two or four high definition camera.Fig. 3 is control subsystem, by rotation platform 1, bearing 2, motor 3, electricity
Machine controller 4, motor power 5 and structure light or laser generator power supply 6 are constituted.
Visual processes computer described in this utility model, not shown in system structure Fig. 1, computer is directly by number
It is connected with system equipment according to line, which is made up of high-performance computer and camera synchronization trigger controller, is responsible for polyphaser picture number
According to synchronous acquisition and data operation, data storage and data display；The high definition camera can adopt monocular, binocular or many mesh
Configuration, is connected with computer by camera synchronization trigger controller；Camera is demarcated by scaling board, obtain camera
Inside and outside portion's parameter and rotation translation matrix；The structured light generators produce the structure light of phase shift, Gray code or two kinds of fusions and throw
Being mapped to determinand surface carries out three-dimensional data reconstruction；The structured light generators can also be replaced with laser generator；Institute
Stating systems soft ware includes camera calibration module, high speed three-dimensional measurement module, data processing module, data analysis module, system control
Molding block, is moved by the software controlled motor, and collection view data is analyzed calculating, shows three-dimensional data and result exhibition
Show.
Fig. 4 by the utility model proposes three-dimensional measurement it is high-precision with what demarcating module in surface area computing subsystem was used
Scale fixed board pictorial diagram, is demarcated panel and is made using high-precision laser marking, and high precision reaches +/- 0.0001mm, while carrying LED
Area source provides illumination, and brightness uniformity, surface Jing diffuse-reflectance are processed, panel no-reflection, it is adaptable to extract high-precision gridiron pattern
Angle point；Scaling method is based on improved Zhang Zhengyou calibration algorithms, extracts any amount angle point and centre dot in scaling board, sets up
The actual positional relationship of each angle point of scaling board is carrying out camera calibration.
In this utility model system and device, data display includes object dimensional data display, and object detection report shows；
The output of the measurement results such as body surface area and volume is held to data base, a key prints measurement report, in report, include object dimensional
The projection view of data, is 1: 1 projection view to obtain with object size ratio, needs for 3D coordinates to pass through model what comes into a driver's square
Battle array and projection matrix are transformed into 2D projected coordinate systems, are then transformed into correspondence paper size according to printer resolution and generate mould
Type view data carries out report printing.
The system and device proposed by this utility model, as shown in figure 3, computer link controller in control subsystem,
Send to controller and order, control motor is moved, and then platform is rotated and rotate to an angle；By rotation platform
Band animal body is rotated, and can be photographed the picture of object under test different visual angles, for generating the three-dimensional data of different visual angles, be passed through
Stitching algorithm is transformed into the three-dimensional data of different visual angles under the same coordinate system, so as to obtain the Complete three-dimensional number of target object
According to；Described three-dimensional data splicing supports that index point splicing and rotation platform splice two ways, and two methods are complementary to one another, phase
Mutually promote, and then reach the purpose of the high speed of different visual angles three-dimensional data, high-precision joining.When rotation platform is replaced with conveyer belt
When changing, then by computer controls conveyer belt, object is sent to into measuring center position and is measured；Can also pass through simultaneously
Computer controls three-dimension measuring system moves to the specified location on guide rail.
The system and device proposed by this utility model, in control subsystem, described motor drives turntable rotation
Precision adopt laser test method, which is verified, while the index point to being attached on rotating disk carries out three-dimensional data rebuilds anti-
Rotation error is pushed away, error correction is carried out.The rotation platform support level rotation, lifting, inclination multiaxial motion；The rotary flat
Platform table top is made using band absorbability silica gel plate or other similar materials, and object is placed on
It is fixed, prevent object moving influence certainty of measurement；The rotation platform can also be replaced using conveyer belt, support object streamline three
Dimension measurement operation, while carrying out mass of object detection, is sorted according to mass of object testing result.
The system and device proposed by this utility model, in mechanical mechanism subsystem, is provided with level, vertically leads in rack
Rail, for installing three-dimension measuring system, and by its movement of motor control；The support for installing camera as shown in Figure 2 has Two Dimensional Free
Degree, acts primarily as the effect supported with angular adjustment.Camera support is fixed on the cuboid three-dimension measuring system in mechanical mechanism
On fixed support, the placing structure optical generator at a certain distance from apart from camera；One two dimension is installed in fixed support bottom to adjust
Section mechanism, for driving three-dimension measuring system or so, rotating upwardly and downwardly specified location.
The system and device proposed by this utility model, in three-dimensional measurement with surface area computing subsystem, described three-dimensional
Measuring system can pass through top, bottom, front portion, rear portion and the left and right side that rack is arbitrarily moved on vertical, horizontal guide rail,
So as to measuring targets carry out multi-faceted data measurement；When three-dimension measuring system moves to bottom, object, bottom are scanned up
Turntable can be replaced using clear glass, object bottom three-dimensional data is obtained easily；The three-dimension measuring system can also
It is mounted directly top, bottom, front portion, rear portion and the left and right sides for being set to rack, direct measuring targets carry out comprehensive three more
Dimension data is measured.
Claims (7)
1. a kind of body surface area Fast measurement system device based on three-dimensional measurement technology, it is characterised in that the system and device
Including：
Three-dimensional measurement and surface area computing subsystem, by visual processes computer, high accuracy luminous scaling board, high definition camera, knot
Structure optical generator or laser generator and systems soft ware composition, for generating three-dimensional data and data display, wherein high definition camera,
Structured light generators or laser generator and corresponding software composition three-dimension measuring system, the subsystem include at least a set of three-dimensional survey
Amount system；
Control subsystem, is connected with three-dimensional measurement with surface area computing subsystem, and which is by motor, controller, bearing and rotation
Turn platform composition, splice for matching object multi-view image data acquisition and three-dimensional data；
Mechanical mechanism subsystem, is connected with three-dimensional measurement with surface area computing subsystem and control subsystem, and which is by rack, fixation
Support, governor motion composition, for installing, fixing, all parts of adjustment equipment.
2. the body surface area Fast measurement system device based on three-dimensional measurement technology as claimed in claim 1, the vision
Process computer to be made up of high-performance computer and camera trigger controller, be responsible for synchronous acquisition, the number of polyphaser view data
According to computing, data storage and data display；The camera is monocular, binocular or many mesh high definition cameras, is triggered by the camera
Controller is connected with the high-performance computer；The luminous scaling board of the high accuracy is made using high-precision laser marking, precision
Up to +/- 0.0001mm, while carrying LED area light source provides illumination, brightness uniformity, surface Jing diffuse-reflectance are processed, and panel is without anti-
Light, it is adaptable to extract high-precision X-comers；The structured light generators produce the knot of phase shift, Gray code or two kinds of fusions
Structure light projection is to determinand surface；The structured light generators can also be replaced with laser generator.
3. the body surface area Fast measurement system device based on three-dimensional measurement technology as claimed in claim 1, the data
Display includes object dimensional data display, and object detection report shows；Support that body surface area and volume measurements output are arrived
Data base, a key print measurement report, and the projection view comprising object three-dimensional data in report, the projection view are needed 3D
Coordinate is transformed into 2D projected coordinate systems by model what comes into a driver's matrix and projection matrix, and it is right to be then transformed into according to printer resolution
Answer paper size and generation model view data carries out report printing, the projection view is obtained with this and object size ratio is
1∶1。
4. the body surface area Fast measurement system device based on three-dimensional measurement technology as claimed in claim 1, in the control
In subsystem, the visual processes computer connects the controller, and sends order to the controller, controls the step
Stepper motor is moved, and then drives the rotation platform to rotate to an angle；Rotated by rotation platform band animal body, shot
To the picture of object under test different visual angles, to generate the three-dimensional data of different visual angles, the three-dimensional data of different visual angles is transformed into
Under unified coordinate system, so as to obtain the Complete three-dimensional data of target object；Described three-dimensional data splicing support index point splicing,
No marks point merging features and rotation platform splice three kinds of modes, and three kinds of connecting methods are complementary to one another, mutually promote so that different
Visual angle three-dimensional data being capable of high speed, high-precision joining.
5. the body surface area Fast measurement system device based on three-dimensional measurement technology as claimed in claim 1, in the control
In subsystem, it is characterised in that described motor drives the precision of turntable rotation to carry out to which using laser test method
Verification, while the index point to being attached on rotating disk is carried out, and three-dimensional data reconstruction is counter to push away rotation error, carries out error correction；The rotation
Turn the rotation of platform support level, lifting, incline multiaxial motion；The rotation platform table top is made using band absorbability silica gel plate
Form, object is placed on, and prevents object moving influence certainty of measurement；The rotation platform can also
Replaced using conveyer belt, support object streamline three-dimensional measurement operation, carry out mass of object detection, tied according to mass of object detection
Fruit is sorted.
6. the body surface area Fast measurement system device based on three-dimensional measurement technology as claimed in claim 1, in the machine
In tool mechanism subsystem, level, vertical guide rail are installed in the rack, for installing three-dimension measuring system, and by motor control
Make the three-dimension measuring system movement；The fixed support for installing camera has two-dimensional freedom, acts primarily as support and angle
The effect of regulation；Multiple camera supports are fixed on the cuboid support in the mechanical mechanism subsystem, apart from camera
At a certain distance from placing structure light or laser generator；One two-dimensional adjustment mechanism is installed in the fixed support bottom, is used for
Drive three-dimension measuring system or so, rotate upwardly and downwardly specified location.
7. the body surface area Fast measurement system device based on three-dimensional measurement technology as claimed in claim 1, described three
Dimension measuring system can pass through top, bottom, front portion, rear portion and the left and right sides that rack is arbitrarily moved on vertical, horizontal guide rail
Face, so as to measuring targets carry out multi-faceted data measurement；When three-dimension measuring system moves to bottom, object is scanned up,
Bottom turntable can be replaced using clear glass, object bottom three-dimensional data is obtained easily；The three-dimension measuring system
Top, bottom, front portion, rear portion and the left and right sides for being set to rack can be mounted directly, direct measuring targets carry out full side more
Position three-dimensional vision information.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514983A (en) * | 2016-08-16 | 2017-12-26 | 上海汇像信息技术有限公司 | A kind of system and method based on three-dimensional measurement technology measurement body surface area |
| CN108895969A (en) * | 2018-05-23 | 2018-11-27 | 深圳大学 | A kind of 3 D detection method and device of phone housing |
| CN110108205A (en) * | 2019-05-13 | 2019-08-09 | 中国农业科学院农产品加工研究所 | The device and method that volume quickly measures |
| CN112815884A (en) * | 2020-12-23 | 2021-05-18 | 北京动力机械研究所 | Automatic detection method for measuring effective area of adjusting mechanism |
-
2016
- 2016-08-16 CN CN201620887434.2U patent/CN206073939U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514983A (en) * | 2016-08-16 | 2017-12-26 | 上海汇像信息技术有限公司 | A kind of system and method based on three-dimensional measurement technology measurement body surface area |
| WO2018049818A1 (en) * | 2016-08-16 | 2018-03-22 | 上海汇像信息技术有限公司 | Three-dimensional measurement technology-based system and method for measuring surface area of object |
| CN108895969A (en) * | 2018-05-23 | 2018-11-27 | 深圳大学 | A kind of 3 D detection method and device of phone housing |
| CN110108205A (en) * | 2019-05-13 | 2019-08-09 | 中国农业科学院农产品加工研究所 | The device and method that volume quickly measures |
| CN110108205B (en) * | 2019-05-13 | 2020-11-24 | 中国农业科学院农产品加工研究所 | Device and method for rapid volume determination |
| CN112815884A (en) * | 2020-12-23 | 2021-05-18 | 北京动力机械研究所 | Automatic detection method for measuring effective area of adjusting mechanism |
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