CN101311969B - Dummy body form for Chinese and its construction method - Google Patents
Dummy body form for Chinese and its construction method Download PDFInfo
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- CN101311969B CN101311969B CN2007100938267A CN200710093826A CN101311969B CN 101311969 B CN101311969 B CN 101311969B CN 2007100938267 A CN2007100938267 A CN 2007100938267A CN 200710093826 A CN200710093826 A CN 200710093826A CN 101311969 B CN101311969 B CN 101311969B
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Abstract
The invention discloses a Chinese virtual mannequin. The mannequin is chosen from the actually measured part of human body of men and women from six districts of North China and Northeast, East China, Central China, Northwest, Southwest and Guangdong, Guangxi and Fujian and in three age periods; the mannequin consists of 100-300 sections and 40-70 representation points of data points and has the data of bodily form of point-line-plane-body. The method comprises: a) quantitative human body samples are chosen, and unary data of various parts of human body are obtained by direct measurement; b) the data are analyzed, and the data of medium bodily form of different districts and age periods are obtained; c) 3D untouched type human body measurement is carried out; d) 3D model of human body is pretreated, and standardization is carried out by cloud data; e) 3D average form of human body sample is calculated and revised, and the 3D Chinese virtual mannequin is obtained. Therefore, Chinese mannequin entity satisfying actually measured bodily form can be formed in a short time; and bases and data are provided for suitability of clothes production, virtual fitting and cutting-out, clothes function study, specification standard and antitype of bodily form of the people in our country. The period for designing mannequin is shortened.
Description
Technical field
The present invention relates to a kind of dummy body form, specifically, the present invention relates to a kind of Chinese dummy body form and method for building up thereof.
Background technology
The Virtual Human Data collection value that all has a wide range of applications in fields such as medical science, space flight, aviation, production of film and TV and even military affairs.But because said visual human only is based on single human body, and be not the constructed visual human of actual measurement crowd build, and its data are partial to biological data, therefore can't be applied to fields such as clothes based on different regions, age bracket.
On the other hand, the method for present clothes personnel selection platform production technology employing sculpture entity.Sculpture entity people platform can not provide tool real design original text, also can not form in the short time to meet people's platform entity of surveying build, says nothing of the garment virtual fitting and the garment virtual three-dimensional cutting that are applied to the actual measurement crowd build of different regions, age bracket.Because, being applied to the visual human in fields such as clothes of the actual measurement crowd build of different regions, age bracket, perhaps Chinese dummy body form must have following function or effect:
1, foundation is provided for the fitness of garment production.No matter be that clothes are produced merchant or individual wright in batches, produce the clothes of comfortable fittingness, all must be basis with measurement against human body to the target consumer, thus the variation the when growth of suitable human body, static state or daily exercise.
2, for the design of normal man's platform foundation is provided.Normal man's platform is the human body of having simplified and having beautified, and is usually used in clothes three-dimensional cutting, commodity inspection or clothing show.The size design of people's platform must be based upon on a large amount of statistics and processing basis to each position instrumentation numerical value of actual human body, just has Practical significance.
3, foundation is provided for the formulation of clothing specification standard.Through large-scale measurement against human body, the gained data are put in order, analyzed, be the prerequisite of working out correct, rational clothing specification standard.
4, research and analyse for clothing function foundation is provided.In garment education and scientific research; Relate to that build that clothes produce compressing degree, shell temperature and the gas penetration potential relation of body surface, associated movement changes and the research of aspect such as flexible, the off normal of skin through regular meeting, therefore must carry out accurate somatic data and measure.
The multiple characteristics that are superior to conventional measurement techniques and instrument such as it is short that the three-dimensional human body measurement system has sweep time, and degree of accuracy is high, the measuring point is many.The data of three-dimensional measurement can directly be used for the CAD of Garment design software, and human body is customized.Three-dimensional garment CAD design is to be based upon on people's platform that anthropological measuring obtains or the manikin basis, through interactive three-dimensional design (on people's mould, sketching the contours of profile and the structure line of clothes with line), cooperates corresponding software to generate two-dimentional garment-like plate.The system MTM of customizing is batch process with dress-goods reorganization and garment production process recombinant conversion.Client's size data through the three-dimension measuring system acquisition; Be transferred to the CAD system of production on the net by electronic order; Corresponding size data of system's basis and client are to the requirement (data of aspects such as quantity of margin, length, width) of clothes fashion; In the model storehouse, find the corresponding matched model, finally carry out the quick production of system.
China does not still have people's platform prototype of suitable home country nationals build at present.Set up suitable prototype, the most basic approach is exactly at first to set up the detection system of buman body type size, carries out a large amount of measurement against human body in zones of different, for the foundation of China's prototype provides the data foundation.
People's platform is the basic tool of dress designing and production, is the target of people's platform manufacturer research based on people's platform of actual measurement crowd build form and thin portion size.Present people's platform production technology adopts the method for sculpture entity, can not provide tool real design original text, also can not form in the short time to meet people's platform entity of surveying build.And said entity people platform can't improve the research precision, also can't region-by-region, age bracket selects enough samples.In addition; Measuring method is used the direct method of measurement; Can't foundation be provided for the fitness of garment production; Can't foundation be provided for the formulation of clothing specification standard, more can't research and analyse for clothing function provides foundation and accurate somatic data to measure, and for setting up the prototype that adapts to the national build of China foundation is provided.
The present inventor finds: utilization anthropological measuring technology (contact method) and non-contact 3-D anthropological measuring technology, 3 D human body build data processing technique and computer graphics disposal technology; Human body is carried out instrumentation; The cloud data of manikin carries out standardization after the use pre-service; A kind of Chinese visual human or Chinese dummy body form can be provided, satisfy above-mentioned requirements.
Summary of the invention
The objective of the invention is to: the method for building up that a kind of Chinese dummy body form is provided.
The object of the invention is to provide a kind of Chinese dummy body form again; Said Chinese dummy body form also can be other technical fields that need use the national build prototype of China foundation is provided except can be applicable to clothes with research such as the making of Chinese entity people platform, garment virtual fitting and virtual three-dimensional cutting or the production field.
According to Chinese dummy body form of the present invention and method for building up thereof; Can increase substantially the research precision; And select enough samples according to the different area of China, age bracket, for fitness, the formulation of clothing specification standard, the clothing function of the garment production that is fit to Chinese each department buman body type are researched and analysed, accurate somatic data is measured and for setting up the prototype that adapts to the national build of China foundation is provided.
The invention provides a kind of method for building up of Chinese dummy body form; It is characterized in that: described Chinese dummy body form is taken from the trunk actual measurement part of Chinese men and women's human sample entity; It adopts the contact anthropological measuring that the human sample entity is carried out static measurement; Obtain a metadata of partes corporis humani position, constitute the human sample measurement data; The human sample measurement data value of averaging is analyzed, obtained the middle build data of different regions, all ages and classes section human sample; Again from described human sample entity according to its build data and middle build data near or the principle of coincideing; The sample that selection is no less than 20 people carries out the 3 D non-contacting type anthropological measuring, said 3 D non-contacting type anthropometric data be a little-the build data of line-face-body; Described 3 D non-contacting type anthropological measuring sample data is carried out pre-service, and the cloud data of manikin carries out standardization after the use pre-service, and 3 D non-contacting type anthropological measuring sample data is averaged morphological analysis; Obtain constituting the position of point of the average form of these samples; The process correcting process is made symmetry to the three-dimensional model sample data that obtains through average morphological analysis and is handled, so that the Ren Tai both sides are symmetrical fully, rebuilds the trunk part of average form again according to these points; Finally obtain by 100-300 cross section and characterize respectively that 40-70 the data point in each cross section constitute, have a little-line-face-the three-dimensional Chinese dummy body form of the build data of body.
When described Chinese men and women's human sample was measured, the minimum sampling amount n that limits the quantity of of Chinese men and women's human sample was 300.
The sampling amount that the best of said Chinese men and women's human sample is limited the quantity of is 400.
When obtaining the Ren Tai cross section of said Chinese dummy body form; With the trunk part; Promptly from human body crotch portion to the crown part, parallel with the positive dirction of the z axle of coordinate axis, the positive dirction of the y axle of coordinate axis is pointed in the place ahead of human body; Use the cross section of equal amount to go intercepting to Different Individual, and be equidistance between each cross section.
Described static measurement adopts Martin's measuring instrument to accomplish, and wide body image method, More's contouring method, measurements of the chest, waist and hips anthropometric method, [TC2] layering contour measurement or body scan method are adopted in described 3 D non-contacting type anthropological measuring.
The present invention also provides a kind of Chinese dummy body form; It is characterized in that: described Chinese dummy body form is taken from the actual measurement part of Chinese men and women's human sample entity; Constitute by 100-300 cross section and 40-70 data point characterizing each cross section respectively; Have a little-the three-dimensional Chinese dummy body form of the build data of line-face-body, its described Chinese dummy body form is taken from the torso portion of human sample entity.
Its described Chinese dummy body form converts multiaspect grid data entity under the CAD platform, the formulation that is used to the clothing specification standard provides foundation, for the fitness of garment production foundation is provided simultaneously; Researching and analysing for clothing function provides foundation and accurate somatic data to measure; And be to set up the prototype that adapts to the national build of China foundation is provided.
Its said Chinese dummy body form carries out the entity output of people's platform through relevant device under the CAD platform, become real entity people platform by Chinese dummy body form.
Can know through technique scheme; The present invention provides a kind of Chinese dummy body form; Said Chinese dummy body form is taken from the actual measurement part of Chinese men and women's human sample entity, is made up of at least 100 cross sections and 40-70 data point characterizing each cross section respectively, has a little-line-face-the build data of body.
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form is taken from the torso portion of human sample entity.
Preferably, according to Chinese dummy body form of the present invention, northeast, North China, East China, Central China, northwest, southwest, six natural regions, Fujian, Guangdong and Guangxi Provinces are divided in the sample section of said human sample.
Preferably, according to Chinese dummy body form of the present invention, the sampling age bracket of said human sample divides 20-30 year, 30-40 year and 40-50 year three age brackets.
Preferably, according to Chinese dummy body form of the present invention, said build data comprise: length, and width, degree of enclosing, angle, local height and position are at interval.
Preferably, according to Chinese dummy body form of the present invention, the position of said build data comprises: height, chest measurement, waistline, neck circumference, abdominal circumference, hip circumference, acromion-belemnoid, acromion interval, throat-Attacking Midfielder.
Preferably, according to Chinese dummy body form of the present invention, in the position of said build data,
Said length comprises that the height and the back of the body are long; Said width comprises: front mid-arnhole, across back, the wide and hip breadth of waist; Said degree of enclosing comprises forward and backward chest measurement, forward and backward waistline, and forward and backward hip circumference and armpit enclose; Said angle comprises: left and right shoulder pitch angle, retrocollis angle, inclination angle, forward and backward center, the rump inclination angle of dashing forward, back of the body inclination angle and omoplate inclination angle on the waist; Said enclosing thick comprising: chest measurement is thick, and waistline is thick, and hip circumference is thick, the thick and abdomen hip depth of belly; The height of said part comprises: breastheight, belly are high, navel is high, acromion is high, armpit is high, waist is high, knee height, stern is high, the throat is high and cervical vertebra is high; Said interval comprises: neck side-acromion, acromion interval, front and back armpit interval, throat-Attacking Midfielder, acromion-belemnoid, acromion-elbow point, the build data of neck side-low back etc.
Preferably, according to Chinese dummy body form of the present invention, the file layout of said people's platform data is VRML formatted files.
Preferably, according to Chinese dummy body form of the present invention, said Ren Tai cross section is with the trunk part, promptly from human body crotch portion to the crown part parallel with the positive dirction of the z axle of coordinate axis, the positive dirction of the y axle of coordinate axis is pointed in the place ahead of human body.
Preferably, according to Chinese dummy body form of the present invention, the data layout of said people's platform is the solid data of CAD software definition, and said Chinese dummy body form is a male sex China dummy body form.
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form has the translation interface of the data layout under the CAD platform, under CAD, can convert multiaspect grid data entity to.
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form can be derived or preserve into three-dimensional model files such as vrml file, 3ds file through 3dMax software under the CAD platform.
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form carries out the entity output of people's platform through relevant device under the CAD platform, become real entity people platform by Chinese dummy body form.
Preferably, according to Chinese dummy body form of the present invention, said CAD is AutoCAD.
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form is the Northeast, North China actual measurement buman body type China male sex dummy body form, and build position in the middle of its part, data are following:
| The position | North population mean (cm) |
| Height | 171.80 |
| Cervical vertebra is high | 146.59 |
| Waist is high | 109.21 |
| Head circumference | 57.25 |
| Neck circumference | 43.82 |
| Chest measurement | 90.17 |
| Waistline | 78.64 |
| Hip circumference | 92.35 |
| Brachium | 57.21 |
| Shoulder breadth | 42.61 |
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form is an East China actual measurement buman body type China male sex dummy body form, and its intermedium type position, data are following:
| The position | East China population mean (cm) |
| Height | 167.78 |
| Cervical vertebra is high | 144.14 |
| Waist is high | 105.54 |
| Head circumference | 57.09 |
| Neck circumference | 40.13 |
| Chest measurement | 88.81 |
| Waistline | 78.98 |
| Hip circumference | 91.09 |
| Brachium | 56.87 |
| Shoulder breadth | 42.37 |
Preferably, according to Chinese male sex's dummy body form of the present invention, said Chinese dummy body form is a Central China actual measurement buman body type China male sex dummy body form, and its intermedium type position, data are following:
| The position | Central China population mean (cm) |
| Height | 170.04 |
| Cervical vertebra point is high | 144.81 |
| Waist is high | 105.96 |
| Head circumference | 59.14 |
| Neck circumference | 44.04 |
| Chest measurement | 92.89 |
| Waistline | 83.35 |
| Hip circumference | 93.95 |
| Brachium | 59.36 |
| Shoulder breadth | 42.15 |
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form is a Northwest actual measurement buman body type China male sex dummy body form, and its intermedium type position, data are following:
| The position | Northwest population mean (cm) |
| Height | 165.28 |
| Cervical vertebra is high | 138.12 |
| Waist is high | 100.21 |
| Head circumference | 56.58 |
| Neck circumference | 41.20 |
| Chest measurement | 88.57 |
| Waistline | 79.54 |
| Hip circumference | 89.42 |
| Brachium | 58.12 |
| Shoulder breadth | 42.36 |
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form is a southwest actual measurement buman body type China male sex dummy body form, and its intermedium type position, data are following:
| The position | Southwest population mean (cm) |
| Height | 160.52 |
| Cervical vertebra is high | 142.23 |
| Waist is high | 103.43 |
| Head circumference | 55.65 |
| Neck circumference | 39.80 |
| Chest measurement | 87.38 |
| Waistline | 78.93 |
| Hip circumference | 88.39 |
| Brachium | 55.75 |
| Shoulder breadth | 41.32 |
Preferably, according to Chinese dummy body form of the present invention, said Chinese dummy body form is Fujian, a Guangdong and Guangxi Provinces area actual measurement buman body type China male sex dummy body form, and its intermedium type position, data are following:
| The position | Fujian, Guangdong and Guangxi Provinces population mean (cm) |
| Height | 162.32 |
| Cervical vertebra is high | 142.85 |
| Waist is high | 102.23 |
| Head circumference | 56.18 |
| Neck circumference | 39.25 |
| Chest measurement | 87.26 |
| Waistline | 77.20 |
| Hip circumference | 88.81 |
| Brachium | 56.25 |
| Shoulder breadth | 40.59 |
The object of the invention is to provide a kind of method for building up of Chinese dummy body form again; Method for building up according to said Chinese dummy body form; Utilization anthropological measuring technology (contact method) and non-contact 3-D anthropological measuring technology, 3 D human body build data processing technique and computer graphics disposal technology; Human body is carried out instrumentation, a kind of Chinese visual human or Chinese dummy body form are provided.
The method for building up of Chinese dummy body form of the present invention comprises the steps:
A) with the direct method of measurement, divide different regions, all ages and classes section, select quantitative human sample respectively, a large amount of static measurements is carried out at positions such as the length of human body, degree of enclosing, angle, the data of surveying are a metadata, the sites measured data are 66;
The somatic data of b) the above-mentioned direct method of measurement being measured, gathering is analyzed, and obtains the middle build data of different regions, all ages and classes section human sample;
The intermedium data of the different regions that c) obtain, all ages and classes section human sample according to above-mentioned analysis; The sample of selecting again to be no less than 200 people carries out the 3 D non-contacting type anthropological measuring; Said 3 D non-contacting type anthropometric data be a little-the build data of line-face-body, said build data and corresponding intermediates data are coincide;
D) human 3d model that above-mentioned 3 D non-contacting type anthropological measuring is obtained carries out pre-service;
The cloud data of manikin carries out standardization after the use pre-service, that is,
Make torso portion be parallel to the z coordinate axis, go even intercepting manikin part with one group of parallel cut that is parallel to the xoy plane, obtain 100-300 cross section, each cross section uses 40-70 data point to characterize the shape in cross section.Said data point is a term of computer graphics, promptly refers in the present invention, and the point of control and sign people platform shape, these points are in human body surface.
E) sample data to above-mentioned three-dimensional model averages morphological analysis according to algorithm reasonable, science;
F) correcting process is to passing through e) the average form that obtains makes symmetry and handles, so that Ren Tai both sides symmetry fully obtains final three-dimensional Chinese dummy body form.
Method for building up according to Chinese dummy body form of the present invention; When confirm surveying the body project, all strictly observe relevant regulations and the international standard IS03635 (Size Designation of Clothes Definitions and Body Measurement Procedure) of latest national standards GB/T 5703-1999 " the anthropological measuring elementary item that is used for technical design " like aspects such as the title of mensuration projects such as chest measurement, waistline, hip circumference, term, measuring methods.
According to the method for building up of Chinese dummy body form of the present invention, probability sampling is taked in sampling.For operation possibility is strong, raise the efficiency, guarantee precision, specifically adopt the layering cluster random sampling.That is, national each province, city, autonomous region except that Taiwan are divided into northeast, following North China, East China, Central China, northwest, southwest, six natural regions, Fujian, Guangdong and Guangxi Provinces as layer according to anthropolgical viewpoint, each the layer at random 100-400 human sample as the crowd.
According to the research precision, be to divide more different regions and all ages and classes section in theory.If but with area or the undue refinement of age bracket, its size difference is also not obvious, considers the requirement of on Chinese buman body type characteristics and the clothes build being studied, and also will consider actual operability and cost problem simultaneously.
According to the method for building up of Chinese dummy body form of the present invention, should confirm the value of the minimum sampling amount n that limits the quantity of under certain condition, the definite of n complies with selected statistic and different, and this is measured level of confidence and is decided to be 99%, and is anthropoid to cover each to greatest extent.Approximate formula commonly used:
--the probability of alpha levels is (during a=0.01; U ,=2.58).
σ--population standard deviation
Δ--the limits of error.
According to the method for building up of Chinese dummy body form of the present invention, the minimum sampling amount n that limits the quantity of of said human sample is 300.This minimum sampling amount of limiting the quantity of satisfies clothes research needs fully.
Method for building up according to Chinese dummy body form of the present invention is more preferably, and the sampling amount of said human sample is 400.
According to the method for building up of Chinese dummy body form of the present invention, the main position that possibly take and allow maximum absolute error and the standard deviation data that obtain from historical summary following:
| The position | Limits of error Δ (cm) | Standard deviation sigma (cm) | σ/Δ |
| Height | 1.0 | 6.2 | 6.2 |
| Chest measurement | 1.5 | 5.5 | 3.7 |
| Waistline | 1.0 | 6.7 | 6.7 |
| Hip circumference | 1.5 | 5.2 | 3.5 |
| Throat-Attacking Midfielder | 0.4 | 2.3 | 6.6 |
| Behind the neck-low back | 0.4 | 2.2 | 6.3 |
Numerical value with/Δ can know that the precision of waistline is had relatively high expectations relatively, thereby mainly considers waistline, if can meet the demands for the precision of waistline, then the precision of other index also can be met.Calculate as follows: n=2.582 * 6.72=298.8, regular is 300 people.
According to the method for building up of Chinese dummy body form of the present invention, the surveying instrument that said static anthropometry adopts is Martin (Martin) measuring instrument.
According to the method for building up of Chinese dummy body form of the present invention, press 20-30 year, 30-40 year and 40-50 year three age brackets are classified.Its main cause is: the restriction of anthropological measuring cost and objective condition, the reason of human body growth rhythm, the reason of garment market etc.
Certainly, other age brackets also can carry out the foundation of Chinese dummy body form by identical method, and the method for building up of people's platform does not receive the influence of area or age bracket, is applicable to any one location, arbitrarily age bracket.
Method for building up according to Chinese dummy body form of the present invention; For anthropological measuring is gathered data analyze; The foundation and the principle of the middle build data of concrete analysis that obtains the middle build data of each department, each age group and carry out and acquisition each department, each age group are the whole bag of tricks of mathematical statistics, use the statistical analysis software SPSS of specialty to carry out analytical calculation.
The sample that three-dimensional measurement is carried out in selection on the form of build will with to set up area, age bracket crowd's middle build approaching.Be reflected on the size of static measurement, each spot size of selected sample, be as far as possible near with the spot size of corresponding intermedium.For example: the intermedium bust size that directly measures that set up Chinese dummy body form is 92cm, and then when selecting the sample of three-dimensional measurement, the bust size of selected sample should be as far as possible near 92cm.
Method for building up according to Chinese dummy body form of the present invention is characterized in that, the direct measurement of said human sample divides northeast, North China, East China, Central China, northwest, southwest, six natural regions, Fujian, Guangdong and Guangxi Provinces.
According to the method for building up of Chinese dummy body form of the present invention, the direct measurement of said human sample divides 20-30 year, 30-40 year and 40-50 year three age brackets.
According to the method for building up of Chinese dummy body form of the present invention, the position of a metadata of said static measurement comprises: the length of human body, degree of enclosing, angle position ... Deng.For example:
Length direction: height: 170.23cm, the back of the body is long: 43.12cm etc.
Degree of enclosing direction: chest measurement: 92.00cm, waistline: 76.25cm etc.
Angle direction: shoulder slope angle: 22.3 degree etc.
Measured data are the actual measured value of partes corporis humani position.Characterizing method is: position+measurement data+unit.The accuracy rating of data measured is confirmed by accuracy of instrument, under the precision of instrument, is estimated again and read one.
More specifically because this research is mainly used in the clothes research field, so on the measuring point, selected 66, consideration be the needs that can satisfy clothes research.Under the prerequisite that satisfies the research precision, reduce workload as far as possible, reduce and measure cost.66 measuring points can satisfy the needs of the clothes research of Chinese buman body type fully.
The measuring point sees the following form (data recording is used table during measurement) more specifically: be respectively:
| 1 | Height | 34 | Chest breadth | ||
| 2 | Body weight | 35 | Waist is wide | ||
| 3 | Head circumference | 36 | Hip breadth | ||
| 4 | Neck circumference | 37 | Chest measurement is thick | ||
| 5 | Chest measurement | 38 | The front and back armpit at interval | ||
| 6 | Preceding chest measurement | 39 | Waistline is thick | ||
| 7 | Back chest measurement | 40 | Buttocks is thick | ||
| 8 | ID | 41 | Belly is thick | ||
| 9 | Front mid-arnhole | 42 | Front and back centre distance | ||
| 10 | Across back | 43 | The abdomen hip depth | ||
| 11 | Neck side-acromion | 44 | SNP SIDE NECK POINT at interval | ||
| 12 | Acromion at interval | 45 | Shoulder pitch angle, a left side | ||
| 13 | Waistline | 46 | Right shoulder pitch angle | ||
| 14 | Preceding waistline | 47 | The retrocollis angle | ||
| 15 | Back waistline | 48 | The neck side rake angle | ||
| 16 | Abdominal circumference | 49 | Inclination angle, preceding center | ||
| 17 | Hip circumference | 50 | The rear center inclination angle | ||
| 18 | Front hip circumference | 51 | The rump inclination angle of dashing forward | ||
| 19 | Back hip circumference | 52 | The omoplate inclination angle | ||
| 20 | Armpit encloses | 53 | Carry on the back the inclination angle on the waist | ||
| 21 | Upper-arm circumference | 54 | The throat is high | ||
| 22 | Little upper-arm circumference | 55 | Breastheight | ||
| 23 | Throat-Attacking Midfielder | 56 | Belly is high | ||
| 24 | The back of the body is long | 57 | Navel is high | ||
| 25 | Acromion-belemnoid | 58 | Acromion is high | ||
| 26 | Acromion-lining point | 59 | Armpit is high | ||
| 27 | Palm is long | 60 | Waist is high | ||
| 28 | Total shelves enclose | 61 | Knee height | ||
| 29 | Thigh circumference | 62 | Cervical vertebra is high | ||
| 30 | Calf circumference | 63 | Stern is high | ||
| 31 | Pin is long | 64 | Long under strand | ||
| 32 | Neck side-Attacking Midfielder | 65 | Arm leans forward | ||
| 33 | Neck side-low back | 66 | The sitting posture waist is high |
Middle build data promptly are average datas.For example: the chest measurement data of East China 20-30 age bracket man intermedium are exactly this area, and the chest measurement actual measured value sum of these all samples of age bracket is again divided by sample number.
When selecting an amount of sample to carry out three-dimensional human body measurement, in theory, its sample number is The more the better.But owing to select to carry out on the sample build of three-dimensional measurement approaching with middle the build data of being surveyed, therefore qualified sample size is limited, the very big difficulty of collection existence of sample.Consider the needs of precision, finally confirm as and be no less than 20.Be preferably 30-40.
According to the method for building up of Chinese dummy body form of the present invention, said 3 D non-contacting type anthropometric data is for using [TC
2] the 3D anthropometric scanning appearance carries out 3D anthropometric scanning and obtain, and through the corresponding software BMS of scanner (Body Measure System), derives the three-dimensional model file of human body.
According to the method for building up of Chinese dummy body form of the present invention, the form of the file of said 3 D non-contacting type anthropometric data is the VRML formatted file.
Method for building up according to Chinese dummy body form of the present invention; To said 3 D non-contacting type anthropometric data; That is, the pre-service that the build data of point-line-face-body are done comprises processing procedures such as the data point removing or revise distortion, identification characteristics cross section, symmetrical treatment, cross section segmentation.
According to the method for building up of Chinese dummy body form of the present invention, partes corporis humani position size Normal Distribution rule.Average is exactly an average, and establishing X is certain human dimension (position) index (like height), and these position data of establishing i sample are x
i, then the average of X is:
Build in the middle of being for the build of the average representative of the human sample of each department, each age group is sorted out sample data as required by area and age bracket, obtain the dimensional data of each centre build thus.
According to the method for building up of Chinese dummy body form of the present invention, the human 3d model that three-dimensional measurement is obtained carries out pre-service, comprises the data point removing or revise distortion, identification characteristics cross section, symmetrical treatment, cross section segmentation etc.; Make that sample data after treatment is more accurate, and the data that are fit to next step are handled automatically.
When describing three-dimensional configuration normally: point-line-face-body.A structure.The most basic element is " point ", and " line " and " face " is a kind of topological relation of describing " point " when constituting " body ".For example to calculate a plurality of cubical average shape, promptly a plurality of cubical mean values, the mean value of the locus on four " summits " that just can be through the calculation control cubic shaped.And then be reduced to cube, can think that then the cube that obtains is this cubical mean value of being taken a sample.Coordinate can be used in the position of space mid point, and (z), (1/n (x1+x2+...+xn), 1/n (y1+y2+...+yn), 1/n (z1+z2+...+zn)) on average can be thought in the position of a plurality of points for x, y, and wherein n is a sample number.
Make a plurality of individual human bodies have comparability, can average the calculating of form.So just must remove to characterize each entity, similar and above-mentioned cubical mean value calculation by unified standard.Each sample must have the point of identical sign sample shape so.Therefore by following method each sample entity is carried out standardization:
A) only get the torso portion of each sample entity.
B) trunk part (from human body crotch portion to the crown) is parallel with the positive dirction of the z axle of coordinate axis.The positive dirction of the y axle of coordinate axis is pointed in the front of human body.
C) go intercepting trunk part with the cross section of equal amount.The quantity in cross section can be selected according to precision, uses 120 here.Because the torso portion of different human body might not be highly equal.Therefore the distance between adjacent sections is not certain.But confirm according to the trunk height of concrete sample and cross section number.Guarantee that promptly the cross section that Different Individual use to equate goes intercepting, and be equidistance between each cross section.Promptly use uniform one group of cross section to go intercepting.
D) each cross section of intercepting corresponding c) uses the point of equal quantities to go to describe.(definite method of point is seen described in the literary composition)
Through above step each three-dimensional sample data is carried out pre-service, promptly make to have comparability and form homogeneity between various kinds originally.
Be exactly calculating then to these three-dimensional some values of averaging.Promptly calculate the mean place of i point in coordinate system in each sample.Obtain constituting the position of point of the average form of these samples.Rebuild average trunk part according to these points again.
More than be the main thought of algorithm.Summary is: standardization--→ average form is calculated---→ Model Reconstruction.
The mean value of the sample 3D shape that average form promptly refers to calculate through said method in the present invention.The data of calculating are the three-dimensional data of model, are exactly the calculating of mean value that constitutes the fundamental element each " point " of 3D solid specifically.
The major part of preprocessing process described in the present invention all lets computing machine go to accomplish automatically through program.These processes are absolutely necessary for people's platform is set up.These processes are not influenced by people's subjective factor.Different people goes operation can not exert an influence to the foundation of people's platform.Pre-service is to carry out the steps necessary that people's platform is set up, but it does not receive the influence of human factor and different build people platforms, the foundation of people's platform of different builds, and its pretreated method is the same with process.
According to the method for building up that reaches of Chinese dummy body form of the present invention, said Chinese dummy body form is only got the torso portion of human sample entity.
According to above-mentioned, according to the method for building up that reaches of Chinese dummy body form of the present invention, said pre-service comprises:
With the trunk part, promptly from human body crotch portion to the crown part parallel with the positive dirction of the z axle of coordinate axis, the positive dirction of the y axle of coordinate axis is pointed in the place ahead of human body;
Intercepting trunk part is gone in cross section with at least 100 equal quantity;
Each cross section of corresponding above-mentioned intercepting uses isocenter to describe;
To the calculating of these three-dimensional some values of averaging, promptly calculate in each sample the mean place of i point in coordinate system, obtain constituting the position of point of the average form of these samples;
Rebuild average trunk part according to above-mentioned point again.
Chinese dummy body form of the present invention is owing to developing instrument under the AutoCAD platform is realized, so the data layout of its finished product people platform is self-defining a kind of entity under the AutoCAD.But we provide the translation interface of data layout under the AutoCAD, under AutoCAD, can convert " multiaspect grid " entity under the AutoCAD to.Convert the data file that just can convert extended formatting behind " multiaspect grid " entity easily to.For example: can import " multiaspect grid " entity (Chinese dummy body form) in the autocad file (* .dwg) through 3dMax software, can derive then or preserve: vrml file, 3ds file or the like three-dimensional model file.Also can carry out the entity output of people's platform, become real entity people platform by Chinese dummy body form through relevant device.
Know that according to above-mentioned this China's dummy body form is convertible into multiple form, is convenient to the exchange of data, in different software, open also certainly and just can carry out the demonstration of different-format, can also full pattern output.
According to the method for building up of Chinese dummy body form of the present invention, this method use and all regions, all age bracket crowds' Chinese dummy body form is set up.Its Chinese dummy body form method for building up does not receive the influence and the restriction of zone or age bracket, is identical on the sign for the data of the Chinese dummy body form that builds up yet.Different is that it is different that Chinese dummy body form is set up the data of using in the process.Therefore the data of the final Chinese dummy body form of setting up are different.Just because of the difference of Chinese dummy body form data, make that just people's platform of setting up different regions, all ages and classes section necessitates.
The inventive method is not influenced by sex yet and limits.Can be used for setting up man, the various Chinese dummy body forms of woman.Difference is, the data of the people's platform of setting up, and people's platform form of promptly setting up is different.Its data layout is all the same with characterizing method and method for building up.
Preprocessing process of the present invention, promptly said " standardization " process is about to each sample data and is normalized into 100-300 cross section, and each cross section is made up of 40-70 data point.Offset on determined cross section number and each cross section is counted by the research precision, after experiment, confirms.This process is calculated by Automatic Program by algorithm in the literary composition and is confirmed.
According to the method for building up of Chinese dummy body form of the present invention, the people's platform that in clothing making, uses, commonly used is upper body people platform and lower part of the body people platform, upper body people platform mainly is crotch portion to the head part of human body, is used to make dress, does not comprise arm segment usually.Lower part of the body people platform mainly is that the waist of human body is to ankle part.Be used to make down dress.This patent method is used to make the most frequently used upper body people platform.
For clothing making, human upper limb does not have necessity of producer's platform.Therefore the lower limb part is necessary to set up people's platform owing to make the needs of dress down.In clothes research field from now on, the development of Along with computer technology, people's platform of whole body (comprising trunk and four limbs) will be a development trend.
According to the method for building up of Chinese dummy body form of the present invention, are model files of human body by the data that obtain after the scanning of [TC2] 3D anthropometric scanning appearance.This model file has passed through the processing of the BMS software of [TC2] 3D anthropometric scanning appearance, and human body is cut apart by characteristic, is about to human body and has been divided into trunk, upper limbs, lower limb part.For this patent, only use the cloud data of torso portion.Its disposal route is exactly with its " standardization ".Its characteristic mainly contains:
1) process is to accomplish automatically.
2) torso portion is parallel with the z coordinate axis, goes even intercepting trunk part with one group of parallel cut that is parallel to the xoy plane, obtains at least 100 cross sections.
3) each cross section uses 40-70 data point to characterize the shape in cross section.
Thereby according to the method for building up of Chinese dummy body form of the present invention, its said Chinese dummy body form can be developed realization under the CAD platform, and the data layout of its finished product people platform is self-defining a kind of entity under the CAD.
According to the method for building up of Chinese dummy body form of the present invention, said Chinese dummy body form has the translation interface of the data layout under the CAD platform, under CAD, can convert " multiaspect grid " data entity under the CAD to.
According to the method for building up of Chinese dummy body form of the present invention, said Chinese dummy body form can derive or preserve through 3dMax software under the CAD platform: vrml file, 3ds file or the like three-dimensional model file.
According to the method for building up of Chinese dummy body form of the present invention, said Chinese dummy body form can carry out the entity output of people's platform through relevant device under the CAD platform, become real entity people platform by Chinese dummy body form.
According to the method for building up of Chinese dummy body form of the present invention, said CAD is AutoCAD.
Flat method for building up according to Chinese dummy body form of the present invention can form at short notice and meets people's platform entity of surveying build; Said entity people platform can increase substantially the research precision; And select enough samples according to different areas, age bracket.
Method for building up according to Chinese dummy body form of the present invention; Can foundation be provided for the fitness of garment production, simultaneously for formulation, the clothing function of clothing specification standard researched and analysed, accurate somatic data is measured and for setting up the prototype that adapts to the national build of China foundation is provided.
In addition; Method for building up according to Chinese dummy body form of the present invention; The people's platform series of products that meet objective law are designed in the variation that can make people's platform manufacturing factory constantly follow the trail of buman body type, and can be fully before production from arbitrarily angled observation with measure Chinese dummy body form.And can use this technology that the design of people's platform is revised with final and confirm.Can shorten people's platform design cycle 70%.
The simple declaration of accompanying drawing
The human body multiaspect grid entity of Fig. 1 in AutoCAD, showing.
Cloud data for constituting shown in Figure 2 by trunk part data point.
Shown in Figure 3 is near the cross section point waist.
Shown in Figure 4 for utilizing sealing spline curve fitting cross section.
Fig. 5 (a) and (b) are depicted as the standardization in Fig. 4 cross section.
Fig. 6 is with the custom entities of setting up behind the curve fitting cross section.
Shown in Figure 7 is human body after the standardization.
Shown in Figure 8 is symmetrical treatment to Chinese dummy body form cross section.
Embodiment
Embodiment 1
At first carrying out a large amount of static male bodies measures.According to the research precision, divide six areas, three age brackets, select 300 male body samples respectively.Measuring method is used the direct method of measurement; The sites measured data reach 50-66.
The surveying instrument that static measurement is adopted is mainly Martin (Martin) measuring instrument, and Martin's measuring instrument can be measured the bending length on the surface such as vertical, horizontal, the oblique and girth in partes corporis humani position.This cover instrument mainly comprises:
1) height measure (Anthropometer)-measurement human body height, vertical equal length
2) shaft-like meter (Large Shliding Caliper)-side amount thickness, amplitude
3) slip meter (Shliding Caliper)-measurement width among a small circle
4) feeler meter (Spreading Caliper)-measurement thickness
5) tape measure (Measuring Tape)-measurement girth etc.
6) the thick meter of sebum (Skinfold Caliper)-measurement sebum is thick
7) various angles positions such as angle gauge (Goniometer)-measurement shoulder slope, inclination angle, back.
When selected measurement project, according to the target of this research work, amount to selected 50-66 measurement project, selection principle is: satisfy the demand of clothing industry to consumer's buman body type rule.This 50-66 measurement project is selected from respectively:
| 1 | Height | 34 | Chest breadth | ||
| 2 | Body weight | 35 | Waist is wide | ||
| 3 | Head circumference | 36 | Hip breadth | ||
| 4 | Neck circumference | 37 | Chest measurement is thick | ||
| 5 | Chest measurement | 38 | The front and back armpit at interval | ||
| 6 | Preceding chest measurement | 39 | Waistline is thick | ||
| 7 | Back chest measurement | 40 | Buttocks is thick | ||
| 8 | ID | 41 | Belly is thick | ||
| 9 | Front mid-arnhole | 42 | Front and back centre distance | ||
| 10 | Across back | 43 | The abdomen hip depth | ||
| 11 | Neck side-acromion | 44 | SNP SIDE NECK POINT at interval | ||
| 12 | Acromion at interval | 45 | Shoulder pitch angle, a left side | ||
| 13 | Waistline | 46 | Right shoulder pitch angle | ||
| 14 | Preceding waistline | 47 | The retrocollis angle | ||
| 15 | Back waistline | 48 | The neck side rake angle | ||
| 16 | Abdominal circumference | 49 | Inclination angle, preceding center | ||
| 17 | Hip circumference | 50 | The rear center inclination angle | ||
| 18 | Front hip circumference | 51 | The rump inclination angle of dashing forward | ||
| 19 | Back hip circumference | 52 | The omoplate inclination angle | ||
| 20 | Armpit encloses | 53 | Carry on the back the inclination angle on the waist | ||
| 21 | Upper-arm circumference | 54 | The throat is high | ||
| 22 | Little upper-arm circumference | 55 | Breastheight | ||
| 23 | Throat-Attacking Midfielder | 56 | Belly is high | ||
| 24 | The back of the body is long | 57 | Navel is high | ||
| 25 | Acromion-belemnoid | 58 | Acromion is high | ||
| 26 | Acromion-lining point | 59 | Armpit is high | ||
| 27 | Palm is long | 60 | Waist is high | ||
| 28 | Total shelves enclose | 61 | Knee height | ||
| 29 | Thigh circumference | 62 | Cervical vertebra is high | ||
| 30 | Calf circumference | 63 | Stern is high | ||
| 31 | Pin is long | 64 | Long under strand | ||
| 32 | Neck side-Attacking Midfielder | 65 | Arm leans forward | ||
| 33 | Neck side-low back | 66 | The sitting posture waist is high |
When confirming to survey the body project; Like chest measurement, waistline, hip circumference, all strictly observe relevant regulations and the international standard IS03635 (Size Designation of Clothes Definitions and Body Measurement Procedure) of latest national standards GB/T 5703-1999 " the anthropological measuring elementary item that is used for technical design " at aspects such as title, term, measuring methods.
Probability sampling is taked in sampling; For operation possibility strong; Raise the efficiency, guarantee precision, concrete operation method adopts the layering cluster random sampling; Promptly national each province, city, autonomous region except that Taiwan are divided into northeast, following North China, East China, Central China, northwest, southwest, six natural regions, Fujian, Guangdong and Guangxi Provinces as layer, randomly draw some units as the crowd in each layer according to anthropolgical viewpoint.
Make the structure and the overall structure of each age group in the tested sample consistent, sample size is confirmed according to the relation of sample size and precision as far as possible.
One of principle of body measurement standard is that people as much as possible is covered by the degree of confidence of regulation, and the error of significant dimensions index is dropped within the limit of permission.Usually take at least 95% level of confidence in commercial production and the scientific research.As for precision, different with other most sample survey projects is that the requirement of estimator precision this moment is primarily aimed at the human dimension distribution situation.
Should confirm the value of the minimum sampling amount n that limits the quantity of under certain condition, the definite of n complies with selected statistic and different, and this is measured level of confidence and is decided to be 99%, and is anthropoid to cover each to greatest extent.Approximate formula commonly used:
σ--population standard deviation
Δ--the limits of error
The main position that possibly take and allow maximum absolute error and the standard deviation data that obtain from historical summary following:
| The position | Limits of error Δ (cm) | Standard deviation sigma (cm) | σ/Δ |
| Height | 1.0 | 6.2 | 6.2 |
| Chest measurement | 1.5 | 5.5 | 3.7 |
| Waistline | 1.0 | 6.7 | 6.7 |
| Hip circumference | 1.5 | 5.2 | 3.5 |
| Throat-Attacking Midfielder | 0.4 | 2.3 | 6.6 |
| Behind the neck-low back | 0.4 | 2.2 | 6.3 |
Numerical value with/Δ can know that the precision of waistline is had relatively high expectations relatively, thereby mainly considers waistline, if can meet the demands for the precision of waistline, then the precision of other index also can be met.Calculate as follows: n=2.582 * 6.72=298.8, regular is 300 people.
To anthropological measuring gather data analyze, obtain northeast, North China, East China, Central China, northwest, southwest, six natural regions, Fujian, Guangdong and Guangxi Provinces and 20-30 year, 30-40 year and 40-50 year three age brackets middle build data.
Partes corporis humani position size Normal Distribution rule.Average is exactly an average, and establishing X is certain human dimension (position) index (like height), and these position data of establishing i sample are x
i, then the average of X is:
Build in the middle of being for the build of the average representative of the sample of each department, each age group is sorted out sample data as required by area and age bracket, obtain the dimensional data of each centre build thus.
According to the intermedium data that above-mentioned analysis obtains, select an amount of sample to carry out the 3 D non-contacting type anthropological measuring; The build data of selected sample must be coincide with the corresponding intermediates data, and the configuration balance, symmetry.
According to the intermedium data that above-mentioned analysis obtains, select the human sample more than 20 to carry out the 3 D non-contacting type anthropological measuring again; The build data of selected sample must be coincide with the corresponding intermediates data, and the configuration balance, symmetry.
Measuring measured through the Static Contact formula only is a metadata of partes corporis humani position.And can not reflect the concrete form of human body.Therefore will set up Chinese dummy body form is foundation than needing the three-dimensional build data with human body.The 3 D non-contacting type anthropological measuring is an effective means of obtaining the human body three-dimensional data.
3 D non-contacting type anthropological measuring: be meant directly not obtain the human dimension size, and obtain the method for human body three-dimensional image, profile indirectly through certain media (normally laser, white light).Like wide body image method, More's contouring method, measurements of the chest, waist and hips anthropometric method, [TC2] layering contour measurement, body scan method etc.
What this method was used is the three-dimensional data that [TC2] spatial digitizer obtains human body, and [TC2] spatial digitizer is selected white light layering profile measuring method for use, obtains the three-D profile of human body whole body.It utilizes white light source to throw sinusoidal curve to body surface; Close coral shadow distortion when the irregular shape order of object projection; The pattern that produces can be represented the profile of its body surface; And with 6 video cameras detections, indivedual then images will synthesize a complete three-dimensional image, can obtain the three-dimensional coordinate of the point of body surface.
The sample that 3-D scanning is carried out in selection must meet certain requirement:
Each spot size data is consistent with the intermedium that contact type measurement obtains, and promptly guarantees sample build and intermedium uniformity of type.
The configuration of sample needs symmetry, and balance can not have moderate finite deformation, distortion even deformity.Mainly select through subjective evaluation method.
The human 3d model that three-dimensional measurement is obtained carries out pre-service, comprises the data point removing or revise distortion, identification characteristics cross section, symmetrical treatment, cross section segmentation etc.; Make that sample data after treatment is more accurate, and the data that are fit to next step are handled automatically.
Obtaining the human body three-dimensional data through [TC2] spatial digitizer is with the storage of vrml 2.0 formatted files, can convert thereof into AutoCAD form (* .dwg) file through 3dmax software.
Why select the AutoCAD form to be because follow-up data processing work is all carried out under the AutoCAD environment.Because AutoCAD is an open three-dimensional CAD platform, can under the AutoCAD platform, develops corresponding instrument and carry out the somatic data processing simultaneously.
That uses [TC2] spatial digitizer is also advantageous in that it will scan the back cloud data and handle, and human body is divided into parts such as trunk, upper limbs, lower limb, as shown in Figure 1, for Chinese dummy body form, and the torso portion that need get human body.
Owing to be the needs of setting up Chinese dummy body form, editing data only keeps the torso portion of human body, to the crotch portion of human body, removes upper limbs and lower limb part from the head.Through the tool software of exploitation, obtain the data point of torso portion, as shown in Figure 2.
The gained data are not hash among Fig. 2, but have certain relation.Promptly press the human body longitudinal direction, do not have cross section of existence separated by a certain interval, each cross section is made up of 30 data points again, is illustrated in figure 3 as a cross section of human lumbar department enclosure.According to this rule; For each cross section, utilize gravity model appoach to obtain central point, because the design feature of human body; This central point must drop on the inside in cross section; Then central point is linked to each other with data point on the cross section, point is sorted, utilize the point after the ordering as shown in Figure 4 then as the SPL in the data point match cross section of SPL according to the angle of line and x axle positive dirction.
Because 3-D scanning obtains in the cloud data, the number of data points in each cross section might lack, and for precision need and make different cross section to average, standardization is carried out in the cross section again, and concrete grammar is:
With the central point is basic point, with x axle positive dirction angle be that a is the one group of ray and the SPL find intersection of step-length, as new data point (shown in Fig. 5 a).The offset that wherein angle a=360/ is new is counted; , definite new offset to guarantee that 0,90,180,270 degree directions must have data point when counting.Through experiment find to get offset count 60 more suitable, like new data point and the central point of Fig. 5 b medium blue color dot for confirming.
By above method match is carried out in each cross section, and in AutoCAD, utilized the program of exploitation to discern automatically, and generate self-defining a kind of people's platform entity, its form is as shown in Figure 5.
Because the height of different human body is different, the cross section number that each human body is corresponding may be different simultaneously.Therefore also to carry out standardization for cross section number longitudinally.Promptly make each individuality all have identical cross section and count m.Concrete grammar is:
● confirm the height h of torso portion according to the z coordinate in cross section.
● by h/m is that step-length is asked the midsection.
The midsection ask method in the data point of the ratio point on the corresponding data point line of the two sections up and down of midsection as the midsection.
Be illustrated in figure 6 as human body after the standardization, its middle section is counted m and is got 120, can see that section ratio was more originally.Human body contour outline is also finer and smoother.
According to the method described above the three-dimensional picture of each sample is carried out standardization, so that further form average analysis.
A) manikin after the pre-service is averaged the analytical calculation of form by certain calculation method.Calculate the three-dimensional average form of these samples.
Through pre-service, the data layout of each sample is consistent, and follow-up step is exactly the calculating that averages form.Because the sample after the standardization has identical cross section number, and each cross section has identical data point again, therefore adopts method one to one to average the calculating of form, computing method promptly:
With two individuals average out to example, promptly j the data point in i cross section of j the data point in i cross section of first human body and second human body averages, wherein 0＜=i＜120,0＜=j＜60.Be the x of coordinate, y, the mean value of z is as j the data point in i cross section of average form.
The symmetrical treatment of b) average form being carried out obtains final virtual, three-dimensional people's platform.
The people's platform that is obtained by above step promptly can be used as the basic configuration of normal man's platform of given age section, particular locality.Human body is basic symmetry, but concrete everyone can not be symmetrical fully.Virtual human body is not a particular individual, but represents the physical characteristic of a certain colony.Therefore we carry out symmetrical treatment with central point by the y direction of principal axis with each cross section, and are as shown in Figure 7.Through the people's platform after the symmetrical treatment, left and right sides is symmetry fully.
In above-mentioned steps, step a) is in order to select suitable sample number, carries out anthropological measuring to obtain each spot size data of human body, is b) original analysis data are provided.When measuring, mainly use Martin's measuring instrument.Measuring method and toponym term etc. are all consistent with national standard.
Step b) is according to relative theory in the mathematical statistics, uses the SPSS analysis software to carry out the analysis of data, obtains the middle build data of each department, each age group.Be c) provide and select the standard foundation of three-dimensional measurement with sample.
The step c) conclusion that analysis obtains according to the direct method of measurement; Through measuring the also spot size data of comparative sample; The very approaching sample of build of selection and each intermedium utilizes [TC2] 3D anthropometric scanning appearance to carry out three-dimensional human body measurement, to obtain three-dimensional human body contour outline form.Choice of sample is the key of this step.
Step d) is to carry out the preparation process that three-dimensional data is handled.Must carry out necessary pre-service to the raw data that three-dimensional measurement obtains.
Step e) is the committed step that obtains final people's platform, and the sample data of three-dimensional model averages morphological analysis according to algorithm reasonable, science.The algorithm that is adopted will directly influence the accuracy of final people's platform form.
Step f) is a post-processing step, through e) the average form that obtains need do that symmetry is handled so that Ren Tai both sides symmetry fully.
Embodiment 2
Except carrying out the somatometric quantitative human sample of 3 D non-contacting type is 120, and the number of cross sections of trunk part is outside 180, and other obtain Chinese dummy body form as embodiment 1.
Embodiment 3
Except carrying out the somatometric quantitative human sample of 3 D non-contacting type is 400, and the number of cross sections of trunk part is outside 200, and other obtain Chinese dummy body form as embodiment 1.
According to the method for building up and the Chinese dummy body form of Chinese dummy body form of the present invention, can form at short notice and meet people's platform entity of surveying build; Said entity people platform can increase substantially the research precision; And select enough samples according to different areas, age bracket.
According to the method for building up and the Chinese dummy body form of Chinese dummy body form of the present invention, can foundation be provided for the fitness of garment production, for the formulation of clothing specification standard foundation is provided simultaneously; Researching and analysing for clothing function provides foundation and accurate somatic data to measure; And be to set up the prototype that adapts to the national build of China foundation is provided.
In addition; Method for building up and Chinese dummy body form according to Chinese dummy body form of the present invention; The variation that can make people's platform manufacturing factory constantly follow the trail of Chinese buman body type; Design the Chinese dummy body form series of products that meet objective law, and can be fully before production from arbitrarily angled observation with measure Chinese dummy body form.And can use this technology that the design of people's platform is revised with final and confirm.Can shorten people's platform design cycle 70%.
Claims (8)
1. the method for building up of a Chinese dummy body form; It is characterized in that: described Chinese dummy body form is taken from the trunk actual measurement part of Chinese men and women's human sample entity; It adopts the contact anthropological measuring that the human sample entity is carried out static measurement; Obtain a metadata of partes corporis humani position, constitute the human sample measurement data; The human sample measurement data value of averaging is analyzed, obtained the middle build data of different regions, all ages and classes section human sample; Again from described human sample entity according to its build data and middle build data near or the principle of coincideing; The sample that selection is no less than 20 people carries out the 3 D non-contacting type anthropological measuring, said 3 D non-contacting type anthropometric data be a little-the build data of line-face-body; Described 3 D non-contacting type anthropological measuring sample data is carried out pre-service, and the cloud data of manikin carries out standardization after the use pre-service, and 3 D non-contacting type anthropological measuring sample data is averaged morphological analysis; Obtain constituting the position of point of the average form of these samples; The process correcting process is made symmetry to the three-dimensional model sample data that obtains through average morphological analysis and is handled, so that the Ren Tai both sides are symmetrical fully, rebuilds the trunk part of average form again according to these points; Finally obtain by 100-300 cross section and characterize respectively that 40-70 the data point in each cross section constitute, have a little-line-face-the three-dimensional Chinese dummy body form of the build data of body.
2. the method for building up of Chinese dummy body form as claimed in claim 1 is characterized in that when described Chinese men and women's human sample was measured, the minimum sampling amount n that limits the quantity of of Chinese men and women's human sample was 300.
3. the method for building up of Chinese dummy body form as claimed in claim 2 is characterized in that the sampling amount that the best of said Chinese men and women's human sample is limited the quantity of is 400.
4. the method for building up of Chinese dummy body form as claimed in claim 1; It is characterized in that when obtaining the Ren Tai cross section of said Chinese dummy body form, with the trunk part, promptly from human body crotch portion to the crown part; Parallel with the positive dirction of the z axle of coordinate axis; The positive dirction of the y axle of coordinate axis is pointed in the place ahead of human body, uses the cross section of equal amount to go intercepting to Different Individual, and is equidistance between each cross section.
5. the method for building up of Chinese dummy body form as claimed in claim 1; It is characterized in that the completion of described static measurement employing Martin measuring instrument, wide body image method, More's contouring method, measurements of the chest, waist and hips anthropometric method, [TC2] layering contour measurement or body scan method are adopted in described 3 D non-contacting type anthropological measuring.
6. Chinese dummy body form that adopts the said method of claim 1 to set up; It is characterized in that: described Chinese dummy body form is taken from the actual measurement part of Chinese men and women's human sample entity; Constitute by 100-300 cross section and 40-70 data point characterizing each cross section respectively; Have a little-the three-dimensional Chinese dummy body form of the build data of line-face-body, its described Chinese dummy body form is taken from the torso portion of human sample entity.
7. Chinese dummy body form as claimed in claim 6 is characterized in that described Chinese dummy body form, under the CAD platform, converts multiaspect grid data entity to, and the formulation that is used to the clothing specification standard provides foundation, for the fitness of garment production foundation is provided simultaneously; Researching and analysing for clothing function provides foundation and accurate somatic data to measure; And be to set up the prototype that adapts to the national build of China foundation is provided.
8. Chinese dummy body form as claimed in claim 6 is characterized in that said Chinese dummy body form under the CAD platform, carries out the entity output of people's platform through relevant device, becomes real entity people platform by Chinese dummy body form.
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| 秦可，庄越挺，吴飞.服装CAD中三维人体模型的参数化研究.《计算机辅助设计与图形学学报》.2004, * |
| 谷林,张欣.服装CAD中三维人体建模方法综述.《针织工业》.2006, * |
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