CN202875337U - Embedded three-dimensional binocular scanning system - Google Patents
Embedded three-dimensional binocular scanning system Download PDFInfo
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- CN202875337U CN202875337U CN2012205931006U CN201220593100U CN202875337U CN 202875337 U CN202875337 U CN 202875337U CN 2012205931006 U CN2012205931006 U CN 2012205931006U CN 201220593100 U CN201220593100 U CN 201220593100U CN 202875337 U CN202875337 U CN 202875337U
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Abstract
Disclosed is an embedded three-dimensional binocular scanning system. With the development of society, people continuously do physical exercises in a more scientific mode, and accordingly, more accurate and scientific instruments become inevitable trend of physical training. With social progress, the concept of national fitness is deeply rooted among people, and the requirement of people on healthy bodies is increasingly high. The embedded three-dimensional binocular scanning system comprises a bottom frame (1), the bottom frame is connected with a CCD (charge coupled device) camera (2), the CCD camera is connected with a group of sensors (3) and a computer (4) with an embedded main processing chip, and the computer is connected with a stripe projector (5) and an output unit (6). The embedded three-dimensional binocular scanning system is used for embedded three-dimensional double scanning.
Description
Technical field:
This utility model relates to a kind of built-in three-dimension binocular scanning system.
Background technology:
Along with the development of society, people constantly apply among the physical training in more scientific mode, and with more scientific method, the instrument of more more exact sciences has become the inexorable trend of athletic training.Along with the progress of society, the theory of nationwide fitness programs is rooted in the hearts of the people, and people are day by day strong for the requirement that oneself has healthy physique.
External three-dimensional human body measurement product price is higher, and a cover system price is more than 1,000,000 yuan.Domestic only have tens universities and colleges, R﹠D institution to carry out the research of clothing normal man platform with it, the work such as somatic data generaI investigation.Only there is Chengdu accepted way of doing sth clothing company to be used for MTM.The somatometry size is considerable, and it has all multiactions.Such as: the design of construction and decoration design, furniture design and some vehicles etc., all will be according to the body dimension.
Though domestic have three, four companies to have three-dimensional noncontact measurement, untapped human body three-dimensional cloud data generates the application software of anthropometric data.
China is the big country that world clothing is made.At present, the enterprise that has a MTM subsequent technology reaches thousand.If make the price of 3 D human body non-cpntact measurement product be limited in 20 to 400,000 yuan, and be furnished with the application software that the human body three-dimensional cloud data generates anthropometric data, being used for the latent amount of MTM 3 D human body non-cpntact measurement produce market should be more than thousand.Consider the demand in the fields such as anthropometry's research, show business (such as film trick), computer animation and medical science (at present the most extensively such as prosthetics and plastotype operation), 3 D human body non-cpntact measurement produce market is dived amount should be about 10,000.
The utility model content:
The purpose of this utility model provides a kind ofly can measure the human body three-dimensional data fast accurately, for athletic training and body body-building provide the built-in three-dimension binocular scanning system of direct reliable foundation
Above-mentioned purpose realizes by following technical scheme:
A kind of built-in three-dimension binocular scanning system, its composition comprises: underframe, described underframe connects ccd video camera, described ccd video camera connecting sensor group, described video camera connects the computer with embedded main process chip, described computer connects fringe projector, and described computer connects follower.
Built-in three-dimension binocular scanning system, described sensor group are 8 groups of sensors.
Beneficial effect:
1. this utility model time of test was 20 seconds, and the somatometry precision is 1mm; Can realize the rapid scanning to the human body three-dimensional data, and the accurate sized data of partes corporis humani position can be provided.
2. this utility model is to propose for this demand to human body three-dimensional data Quick Measurement in the fields such as physical fitness, animation industry, human engineering, medical cosmetology, and measuring speed is fast, measurement data is accurate,
3. this utility model employing contemporary optics is the basis, the measuring technique that fusion optoelectronics, computer graphics, computer vision are integrated, utilize the binocular stereo vision Principle of surveying, Depth Study grating encoding technology, phase-shifting technique, phase code and expansion, thereby the matching precision of polar curve geometric match algorithm in the raising technique of binocular stereoscopic vision, make certainty of measurement can reach grade, single measurement speed only needs 20 seconds.Described built-in three-dimension binocular scanning system by spatial digitizer, is set the breadth, scope of scanning etc., just can finish simply, fast the scanning process of human body, and the three-dimensional geometry data of digitized human body are input in the computer.These data are exactly the basic data of three-dimensional modeling, processed intention new modeling on this basis can be carried out on this basis, also dynamic prototype can be made fully take this data model as metric system. and these data also can be preserved by Database Systems and used after waiting until.
Testing time of the present utility model very short, by 8 groups of scanner collaborative works, control accuracy needs to reach Microsecond grade at least, controls to realize with the further investigation system sequence.Native system by 8 groups independently sensor form and realize human body three-dimensional measuring transducer system, every sensor is by embedded system control survey and co-ordination, control accuracy can reach Microsecond grade or nanosecond.
5. this utility model is the processing of high-precision dot cloud for measuring and the software programming of control section realizes, namely not only can be to the basic operation of high-precision human body three-dimensional point cloud demonstration, and can provide human body integral the complete accurate numerical value of some cloud.
6. this utility model adopts some cloud technology, point cloud technology adopts measuring technique in conjunction with the method for feature mark poiX splicing, namely utilize the high accuracy of grating decoding in the measuring method, thereby obtain more accurately index point data message, and then the realization high-precision joining, wherein the image acquisition precision can reach sub-pixel.
7. this utility model certainty of measurement is high, and certainty of measurement reaches the millimeter magnitude; Test speed is fast, and one-shot measurement only needs 20 seconds; The data of all required features of human body pattern can be provided according to the different field demand; Have standard interface can with the third party software seamless link.
8. this utility model is take contemporary optics as the basis, and fusion optoelectronics, computer graphics, computer vision are integrated, and can be used for the sensor of three-dimensional human body measurement
9. this utility model algorithm can reach human body three-dimensional DATA REASONING error is lower than 1mm, and the testing time is lower than 20 seconds.Because the computational process of this technical method is complicated, amount of calculation is large, computation time is short, so this process generally is to finish under the PC system.But along with the raising of the processing technology of embedded chip, existing embedded processing chip can reach the dominant frequency of 1GHz at present, and because embedded system is integrated, embedded system can satisfy this demand.
10. software development of the present utility model mainly comprises the research and development of embedded system and the establishment of Survey Software.The former mainly comprises driving and the debugging of each device of system, mainly is the driving control of CCD camera, the driving of each communication modes.The main OpenCV function library of using of testing software establishment, this storehouse is special designed for embedded vision system, for software realizes providing convenience.
Description of drawings:
Accompanying drawing 1 is the structural representation of this product.
Accompanying drawing 2 is system diagrams of accompanying drawing 1.
The specific embodiment:
Embodiment 1:
A kind of built-in three-dimension binocular scanning system, its composition comprises: underframe 1, described underframe connects ccd video camera 2, described ccd video camera connects one group of sensor 3, described video camera connects the computer 4 with embedded main process chip, described computer connects fringe projector 5, and described computer connects follower 6.
Described built-in three-dimension binocular scanning system, described sensor group are 8 groups of sensors.
Embodiment 2:
A kind of method of built-in three-dimension binocular scanning system, utilize fringe projector that one group is projeced on the human body via the sinusoidal intensity grating fringe that presets generation, sinusoidal intensity grating fringe light source is harmless white light, utilize two ccd video cameras to absorb respectively image, realize the high accuracy coupling by stereovision technique, and then reconstruct accurately surface profile of human body;
Described built-in three-dimension binocular scanning system, described sensor group are 8 groups of sensors.
Utilize 8 groups of sensors by embedded system interlock control, from the different angles of human body human body is taken scanning, obtain the partes corporis humani position and measure comprehensively, final data is transferred to computer, be spliced into complete human body data cloud.
Embodiment 3:
The method of embodiment 1 or 2 described built-in three-dimension binocular scanning systems, embedded main process chip is take the DSP of the TMS320DM6414 of TI company as main process chip, DSP is that the high primary frequency of main process chip reaches 800MHz, and the FPGA of EP2C35 is " double-core " processing system of Master control chip.
Embodiment 4:
The method of built-in three-dimension binocular scanning system, this method is as the basis take contemporary optics, the measuring technique that fusion optoelectronics, computer graphics, computer vision are integrated, utilize scialyscope that one group of sinusoidal intensity grating fringe that produces via computer is projeced on the human body, utilize two CCD cameras to absorb respectively image, method by phase-shifting technique and polar curve geometry realizes corresponding point matching, and then reconstructs the surface profile of human body; The probe that utilizes many these technology is taken scanning from the different angles of human body to human body by the computer control that links, and obtains the partes corporis humani position and measures comprehensively, by the complete human body data cloud of computer software splicing.According to multi-field different demands, provide the accurate sized data of required human body.
Medical diagnosis and evaluation for human figure, the requirement of surgical plastic cosmetic surgery and effect assessment etc. increases increasingly, the requirement of " customization stature " increases increasingly, medical human 3 d shape gauge is as a kind of quantitative assessment means of human figure, can use at the large hospital of big and medium-sized cities, thereby have wide market prospect.
Body-scanner commonly used has the SYMCAD, Turbo Flash/3D, TC2-3T6, TechMath-RAMSIS, Cyberware-WB4, Vitronic-Vitus of Telmat etc. in the world.The multiple characteristics that are better than conventional measurement techniques and instrument such as it is short that the 3 D non-contacting type scanning system has sweep time, and degree of accuracy is high, the measuring point is many.Therefore development is very fast, and short a few year non-contact 3-D somatometry products have reached more than thousand according to incompletely statistics.
Embodiment 5:
The described built-in three-dimension binocular of above-described embodiment scanning system,
(1), design of Optical System and development part
The further investigation of 1. grating encoding technology
2. the research of high accuracy raster generator and development
3. the development of ccd data imaging system, grasp
(2), the integrated development of system
1. the integrated design of overall system
2. the development of system's control
(3), software development
1. the development of whole system measure portion software
2. data are rearmounted processes, according to computer graphics principle and data processing method, to computer adopt into the original-shape data integrate, the date processing such as filtering, improving measuring speed, and on this basis testee is carried out graphics and describes.
3. the data expansion interface makes data can be used for other different users, and exploitation different editions CAD/CAM interface is so that the measurement data of native system is by different CAD/CAM software applications.
The proposition of this project innovation by the projection grating method, namely realize phase unwrapping and phase code by one group of sinusoidal grating, in conjunction with the polar curve geometric match method of binocular stereo vision, realize the human body three-dimensional cloud data fast, accurately measure.The outstanding feature of this measuring method is exactly that test speed is fast, and certainty of measurement is high.This project adopts the method with feature mark poiX to combine with this measuring method in addition, can arrive the feature point extraction of sub-pixel, effectively raises the splicing precision of a cloud.This project system is the modularity of the real opening of complete independent research, extendible, upgradeable human body three-dimensional data presentation system, can form independent intellectual property right, can improve the core competitive of product.
Claims (2)
1. built-in three-dimension binocular scanning system, its composition comprises: underframe, it is characterized in that: described underframe connects ccd video camera, described ccd video camera connecting sensor group, described video camera connects the computer with embedded main process chip, described computer connects fringe projector, and described computer connects follower.
2. built-in three-dimension binocular scanning system according to claim 1, it is characterized in that: described sensor group is 8 groups of sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012205931006U CN202875337U (en) | 2012-11-12 | 2012-11-12 | Embedded three-dimensional binocular scanning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012205931006U CN202875337U (en) | 2012-11-12 | 2012-11-12 | Embedded three-dimensional binocular scanning system |
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| CN202875337U true CN202875337U (en) | 2013-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940492A (en) * | 2012-11-12 | 2013-02-27 | 黑龙江省科学院自动化研究所 | Embedded three-dimensional two-eye scanning system and method |
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2012
- 2012-11-12 CN CN2012205931006U patent/CN202875337U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940492A (en) * | 2012-11-12 | 2013-02-27 | 黑龙江省科学院自动化研究所 | Embedded three-dimensional two-eye scanning system and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20171112 |