CN103099389A - System and method for selection of most fitting foot article through three-dimensional measurement of feet - Google Patents
System and method for selection of most fitting foot article through three-dimensional measurement of feet Download PDFInfo
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- CN103099389A CN103099389A CN2012101875247A CN201210187524A CN103099389A CN 103099389 A CN103099389 A CN 103099389A CN 2012101875247 A CN2012101875247 A CN 2012101875247A CN 201210187524 A CN201210187524 A CN 201210187524A CN 103099389 A CN103099389 A CN 103099389A
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Abstract
The invention discloses a system and a method for selection of the most fitting foot article through three-dimensional measurement of feet. The system and the method aim to obtain a three-dimensional digital model of the feet through the three-dimensional measurement of the feet and then obtain various sizes of the feet. A product which fits a customer most is selected from foot articles produced in advance according to the foot sizes obtained through measurement and other information input by the customer. The foot article obtained and selected with the system and the system can maintain correct foot shapes furthest, so that the weight of the body can be better born by various parts of the foot soles, collapse of foot arches are avoided and corrected, and finally while biomechanical functions, efficiency and stability of the feet are promoted, a user can be more comfortable when standing, walking and running.
Description
Technical field
The present invention relates to a kind of by foot is carried out the system and method that 3-d shape measurement is selected optimal foot part article, relate in particular to and a kind ofly foot is carried out the optical 3-dimensional shape measure obtain the foot three-dimensional shape information, and utilize this information to produce in advance well from multiple, have the system and method for picking out most suitable a foot part article in the foot part article of unlike material and 3D shape.
Background technology
The mankind's foot is a very complicated biomethanics structure that is made of 26 bones.Except load people's body weight, foot also will adapt to walking, run the actions such as jumping, leap.In order normally to walk, the mankind's foot must have following features: (1) can adapt to being uneven of ground; The lever that (2) can form a rigidity promotes health and moves ahead; (3) can transform the rotatory force that is produced by the hip joint; The impulsive force that (4) can alleviate and produce in the face of human body with absorbing.The mankind are in order to protect the biped of oneself, simultaneously also for the comfort level that can improve foot just began to use various articles for use at foot before thousands of years, such as footwear etc.
Foot is divided into 3 parts: the rear portion is heel, and there is arch of foot at the middle part, and the front portion is sole.Length direction (vertically) at foot has two arch of foots: inboard arch of foot and outside arch of foot.Also has in addition a horizontal arch of foot on the width of pin below forefoot.The shape of foot is to be kept by the bone corresponding with it, joint, ligament and muscle.The mankind are unique vertebrates that arch of foot is arranged.The existence of arch of foot makes the pin can be flexible and progradation is forward arranged, and also makes in walking and most effective when running, and conserve energy to greatest extent.Be not shaped because congenital some people's of reason foot has normal development, the muscle of foot that brings along with usual aging in addition is lax can cause the foot distortion.For example plantar arch collapse or flat foot, strephenopodia, strephexopodia etc.The undesired meeting of these of foot causes a series of illnesss such as Plantar Fasciitis, front foot portion pain, calcaneal spur, knee pain, trans-articular pain, low back pain; also make weight capacity and the balance stabilizing power of foot relatively poor, easier fatigue and foot's pain when standing and walk.In order to correct and prevent the pathology of foot, also in order to support better foot, guarantee that foot is in optimal morphology, improve the function of foot, the assistant product that can use some to be used for foot, for example fancy shoes, pad and sufficient saddle etc. enough.
These foot part articles comprise that mostly various footwear and foot pad etc. are to carry out large-scale production by limited specification, and its shape that contacts the vola part is all cannot selecting of pre-determining.The size of everyone pin and vola 3D shape are different on the other hand, and the left and right pin of same person is in size sometimes, and arch of foot length is yet had any different on the characteristics such as arch of foot height.Client often will pick out the product that is fit to oneself from numerous candidate's commodity when buying foot part article.This is selected and the process that judges has the composition of a lot of conjectures.Even the chance of trying on, client may or can not determine fully which kind of product is most suitable to the support of foot, because vola 3D shape and be not easy come simply to determine and describe.This uncertainty tends to cause many bipeds of purchase of customer sections articles for use, therefrom finally can only pick out a pair of most suitable.
In order to overcome the problems referred to above, the object of the present invention is to provide an optical 3-dimensional shape measure unit, thereby be used for to measure foot particularly the 3D shape in vola obtain the foot three-dimensional digital model, and further obtain foot length, foot breadth, foot heel width, arch height, arch of foot length equidimension, the final out of Memory (as body weight and type of sports etc.) that uses the foot sizing that measures and client are selected the most suitable certain unique individual's product from the good various foot part articles of large-scale production in advance.The foot part article that chooses through this method can keep correct foot-shape, make the weight of health to be born by the various piece in vola, finally can allow user's foot when standing, walking and running more comfortable, and improve Foot biomechanics function, efficient and stability.
Summary of the invention
Above-mentioned purpose realizes by following technical proposal:
According to provided by the invention a kind of by foot is carried out the system and method that 3-d shape measurement is selected optimal foot part article, its core is an optical 3-dimensional shape measure unit that can obtain the foot three-dimensional shape data.Preferably, described measuring unit comprises at least one optical design projector and at least one image acquisition device.The optical design projector is used for pre-determine, well-regulated single straight line, and many parallel lines or other geometrical patterns project on sufficient surface.Because sufficient surface is a 3D shape, project top original well-regulated pattern and will occur changing, for example straight line has become oblique line, curve, the distance between line and line also can change etc. in addition.These change just, and 3D shape characteristic by the foot surface decides, and identical pattern projects on different three-dimension curved surfaces and the image that obtains is different.Just can draw the mathematical model that represents this curved surface 3D shape by special computer image processing technology.Its concrete manifestation can be known spatial X, the three dimensions point of Y and Z three-dimensional numerical value.The set of these points also is called cloud data.Measurement result may be also other can accurate description the data format of three-dimensional object surface shapes, such as the curved surface data form that consists of with polygon etc.Obtained to do further to calculate just can obtain foot length, foot breadth, sufficient heel width, arch height, the foot sizings such as arch of foot length by the foot sizing computing unit after the three-dimensional digital model of foot.Utilization adds the user's body weight that obtains through input module by the foot sizing that measures, life and exercise habit, after the information such as the angle that need to adjust, height, best foot part article selects module just can select a optimal product by automatical from the foot part article of producing in advance in a large number unlike materials well and 3D shape.This selects process by selecting module automatically to complete, still can be by trying out its validity of final inspection.
Description of drawings
Fig. 1 is the overall pattern of foot 3-d shape measurement unit;
Fig. 2 utilizes foot 3D shape system to select the flow chart of best foot part article;
Fig. 3 is the cut-away view of foot 3-d shape measurement cell mesh gage outfit;
Fig. 4 is the measurement result example-foot three dimensional point cloud figure of foot 3-d shape measurement unit;
The foot sizing schematic diagram of Fig. 5 for by the foot sizing computing unit, the foot three dimensional point cloud being calculated;
Fig. 6 is the example-ergonomics foot pad oblique view of the foot part article that uses of the present invention;
Fig. 7 is the example-ergonomics foot pad three-view diagram of the foot part article that uses of the present invention;
A specification table of Fig. 8 ergonomics foot pad large-scale production;
Fig. 9 is foot pad and the identical schematic diagram of human foot planform that the present invention uses;
Figure 10 is for using sufficient pad provided by the invention can guarantee a schematic diagram of best foot-shape.
The specific embodiment
Below in conjunction with accompanying drawing, invention is described further.
The invention provides a kind of by foot is carried out the system and method that optimal foot part article is selected in the optical 3-dimensional shape measure.Fig. 1 is a preferred embodiment of the present invention (10), is respectively a computer (30) in the top of removable small handcart (12), computer monitor (40) and keyboard and mouse (50).It is the optical 3-dimensional shape measure unit (20) that is fixed on small handcart column (16) below computer.Can adjust the height of small handcart table top (18) by the adjusting rod that does not mark in a figure, also can adjust the height of optical 3-dimensional shape measure unit (20) simultaneously.There are 2 perforates to be respectively used to the projection of pattern and the collection of image on optical 3-dimensional shape measure unit.The foot (90) that needs to measure is placed on the support (14) of a support shank.The pattern that is used for projection during measurement projects sufficient bottom surface from optical 3-dimensional shape measure unit, by IMAQ, the pattern that has been out of shape is filmed.Just can draw the foot 3D shape through calculating.Preferably, the battery (not shown) that can also be furnished with one on small handcart (12) for the shuttle of depositing foot part article and be used for powering to whole device.The computer software that 3-d shape measurement unit (20) uses is installed in computer (30) in advance.Carry out according to step shown in Figure 2 when measuring.Step (100) is inputted client's essential information by the input block that is made of keyboard and mouse, name for example, sex, age, body weight, the kind of footwear and purposes etc.In step (110) thus in client's left and right foot measured respectively obtained the foot three-dimensional digital model corresponding with it.By step (120), the three-dimensional digital model of the left and right foot that measures is done the various sizes that further calculating obtains the left and right foot, and show on computer display screen (40).Step (130) is that selected cell is picked out best product by calculating automatically in stock's the foot part article that production is good in advance, and a result of selecting is presented at take computer display screen on main display unit.Step (140) is to provide a chance on probation to client, client by final decision after on probation thus method whether select the foot part article that draws suitable.
Figure 3 shows that a preferred embodiment of the measuring unit (20) of foot 3 d shape measuring apparatus.The foot (90) that need to measure is positioned at the place ahead of measuring unit, has an optical design projector (24) to be used for a pattern that pre-sets is projected to foot (90) in the inside of measuring unit.Projection pattern can be single straight line, many parallel lines or other geometrical patterns.The 3D shape on foot surface can make the pattern that projection comes up that specific the variation occurs, and for example straight line has become oblique line, curve, the distance between line and line also can change etc. in addition.These change just, and 3D shape characteristic by the foot surface causes, identical pattern projects on different three-dimension curved surfaces and the image that obtains is different.The light source that the optical design projector uses can be that wave-length coverage is at the LASER Light Source of 400-700 nanometer or the ordinary light source of any color, for example white light source.Projection pattern can be produced by optical lens in addition, also can be produced in advance photographic film or on glass.Preferably, projection pattern is to be generated and passed through the pattern of the digital projection technique such as little aobvious device projection by computer.Also have an image acquisition device (22) in the inside of measuring unit, be used for becoming digital picture projecting the lip-deep Collecting Pattern of foot.By computer, the digital picture that collects is carried out the 3D shape that particular procedure just can obtain the foot surface.As shown in Figure 4, the direct result of measurement can be sufficient cloud data.Each pore in Fig. 4 just represents a known X, the three dimensions point of Y and Z three-dimensional numerical value.Each measurement can obtain point such more than 300,000, and the set of these points just is called cloud data, and it can accurately explain the 3D shape of tested curved surface.These data based on cloud data or other energy accurate description three-dimensional object surface shapes just can be stored.The inside of the computer of described foot 3 d shape measuring apparatus (30) also is equipped with a computing unit, be used for automatically calculating as shown in Figure 5 foot various sizes from the foot three-dimensional digital model: foot length (61), inboard arch of foot length (62), outside arch of foot length (63), arch of foot peak position (64), foot heel width (65), the foot breadth (66) at foot length half place, the width (67) of foot etc.The unit of these sizes can be millimeter, inch equal length unit.Calculate the angle of cut equal angles numerical value of sufficient heel rising angle, sufficient rear heel plane and forefoot facial planes in also can the foot three-dimensional digital model.
Fig. 6 is the specific embodiment-ergonomics foot pad (75) of the foot part article that uses of the present invention.Be different from the common two dimensional surface shape that is, by the shoe-pad that flexible material is made, the shape of ergonomics foot pad and user vola 3D shape are coincide, and sufficient advance capital for body has the body weight that certain rigidity can support human body.Fig. 7 is the three-view diagram of ergonomics foot pad, can find out that from the front view (75A) of sufficient pad (left foot) ergonomics foot is lined with a jut that is used for supporting inboard arch of foot, this arch support section also can see in the side view (75C) of foot pad.Top view (75B) has been described the global shape of sufficient pad.Ergonomics foot pad can guarantee to greatest extent that user's sufficient heel is perpendicular to ground, arch portion is kept certain height and be in slight motion state forward, also can make simultaneously forefoot part and ground keeping parallelism, the weight of health can better be born by the various piece in vola, improve the Foot biomechanics function, efficient and stability make user's foot when standing, walking and running more comfortable.Sufficient unusual deformation can only be admitted and tolerate to the opposite shoe-pad of being made by flexible material fully passively, and its effect just provides certain cushioning effect to the vola.So ergonomics foot pad can keep correct foot-shape owing to having certain degree of hardness, prevents plantar arch collapse.Also can provide certain correcting to the low foot of biomethanics effect in addition.Preferably, ergonomics foot pad is a multilayer structure making that is formed and be glued together by different materials.Comprising a hard material housing, its material can be thermoplastic or carbon fibre composite.Preferably, thermoplastic is the class materials such as polypropylene (polypropylene), polyvinyl chloride (polyvinylchloride), polyethylene terephthalate (polyethylene terephthalete).Support to arch of foot is mainly to rely on this hard material housing to realize.The thickness that can have one deck to be made by the many microcellular foam materials of softness on described hard material housing is the bumper and absorbing shock layer of 1-3 millimeter.Preferably, described bumper and absorbing shock layer is ethylene-vinyl acetate copolymer (Ethylene-vinyl Acetate).
Ergonomics foot pad provided by the invention according to certain specification large-scale production in advance out.Due to everyone body weight, the size of foot and the height of arch of foot are all different.In order to coincide everyone particular case, Fig. 8 provides the specification table of ergonomics foot pad large-scale production.As shown in Figure 8, most suitable ergonomics foot pad is according to user's body weight and the height of arch of foot, and other sizes of foot are determined.For example for an individual weight between the 65-75 kilogram, the user of arch height in 25-35 millimeter scope, optimal ergonomics foot pad is exactly No. 260 foot pads.The process of selecting the most suitable foot pad is to be completed by automatic calculating of selected cell according to the foot sizing that calculates with at the Customer Information of step (100) input.The fit like a glove skeletal structure (82) of foot (90) of the shape (84) of the best foot pad (75) that chooses by this method provided by the invention as shown in Figure 9.Just can guarantee to greatest extent the correct shape of foot after using, as shown in figure 10.
The embodiment (10) of Fig. 1 statement has only used an optical 3-dimensional shape measure module, is mainly used in the measurement of plantar surfaces of toe.Another embodiment of the present invention can use many optical 3-dimensional shape measure modules to measure simultaneously from different perspectives the surface of foot, thereby obtains to comprise the more three-dimensional digital model of multi-surface of foot.In sum, these are only preferred embodiment of the present invention, for it should be appreciated by those skilled in the art, without departing from the spirit and scope of the present invention, can carry out any be equal to replacement, modification or improvement.
Claims (11)
1. a system that selects optimal a foot part article by foot being carried out 3-d shape measurement from produce in advance good foot part article, is characterized in that, comprising: measuring unit, computing unit, input block, selected cell and display unit;
Described measuring unit is used for the optical 3-dimensional shape measure of foot, and its measurement result be for can accurately represent the foot three-dimensional digital model of sufficient 3D shape, and measurement result is transferred to described computing unit;
Described computing unit is used for calculating for the foot sizing of describing foot 3D shape details from the foot three-dimensional digital model;
Described input block is that the devices such as computer keyboard, computer mouse or touch-screen are for Customer Informations such as the kind of inputting name, sex, age, body weight, footwear and purposes;
Described selected cell is used for selecting most suitable a product according to the foot sizing that measures and the Customer Information of input from various pre-processed foot part articles;
Described display unit is that computer screen or video screen are used for showing foot three-dimensional digital model, the foot sizing that measures and the information such as suitable foot part article.
2. according to claim 1 foot is carried out 3-d shape measurement selects optimal a foot part article from produce in advance good foot part article system, it is characterized in that, described measuring unit uses at least one optical design projector and at least one image acquisition device, is used for taking the image that is projected the foot surface by described optical design projector.
3. optical design projector according to claim 2, is characterized in that, comes projection with wave-length coverage at the laser of 400-700 nanometer or the normal optical of any color.
4. optical design projector according to claim 2, it is characterized in that, the pattern of institute's projection can be one or more straight-line pattern by the optical lens generation, or the pattern that is shaped on glass or photographic film in advance, or the digital pattern of any form that generates and generate by digital projection techniques such as little aobvious devices by computer.
5. according to claim 1 foot is carried out 3-d shape measurement selects optimal a foot part article from produce in advance good foot part article system, it is characterized in that, foot three-dimensional digital model by described measuring unit output can be to represent exactly foot 3D shape and known X, the three dimensions cloud data of Y and Z three-dimensional numerical value can be also the data format of other energy accurate description three-dimensional object surface shapes.
6. according to claim 1 foot is carried out 3-d shape measurement selects optimal a foot part article from produce in advance good foot part article system, it is characterized in that, the foot sizing that described computing unit draws is foot length, foot breadth, arch of foot length, arch height etc. are quantifiable, be used for describing the distance of each 3D shape details of foot and the numerical value of angle, and its unit can be millimeter, inch equal length or angular unit.
7. according to claim 1 foot is carried out 3-d shape measurement selects optimal a foot part article from produce in advance good foot part article system, it is characterized in that, described foot part article is foot pad and the footwear that the pre-processed surface that contacts with the vola is 3D shape.
8. select the method for suitable foot part article for one kind from produce in advance good foot part article, it is characterized in that, comprise the steps:
(a) foot is carried out the optical 3-dimensional shape measure, obtain the foot three-dimensional digital model;
(b) the foot three-dimensional digital model that measures is calculated to obtain for the foot sizing of describing foot 3D shape details;
(c) input the Customer Information such as kind, purposes of name, sex, age, body weight, footwear by input mediums such as computer keyboard, computer mouse or touch screen;
(d) Customer Information of the foot sizing that obtains of integrating step (b) and step (c) input is selected the most suitable certain unique individual's foot part article automatically;
(e) shown the information such as foot three-dimensional digital model, foot sizing, Customer Information and best foot part article numbering by demonstration means such as computer screen or video screens.
9. the method for suitable foot part article of selecting according to claim 8, it is characterized in that, the foot three-dimensional digital model that measures can be 3D shape and the known X that can represent exactly foot, the three dimensions cloud data of Y and Z three-dimensional numerical value can be also the data format of other energy accurate description three-dimensional object surface shapes.
10. the method for suitable foot part article of selecting according to claim 8, it is characterized in that, the foot sizing that calculates is foot length, foot breadth, arch of foot length, arch height etc. are quantifiable, be used for describing the distance of each 3D shape details of foot and the numerical value of angle, and its unit can be millimeter, inch equal length or angular unit.
11. the method for suitable foot part article of selecting according to claim 8 is characterized in that, described foot part article is foot pad and the footwear that the pre-processed surface that contacts with the vola is 3D shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101875247A CN103099389A (en) | 2011-11-09 | 2012-06-08 | System and method for selection of most fitting foot article through three-dimensional measurement of feet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120446874 | 2011-11-09 | ||
| CN201120446874.1 | 2011-11-09 | ||
| CN2012101875247A CN103099389A (en) | 2011-11-09 | 2012-06-08 | System and method for selection of most fitting foot article through three-dimensional measurement of feet |
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| CN103099389A true CN103099389A (en) | 2013-05-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108348045A (en) * | 2015-07-07 | 2018-07-31 | S·A·拉特曼 | Method and system for the size for determining apparatus for correcting |
| CN111605183A (en) * | 2020-05-28 | 2020-09-01 | 华越(广州)智造科技有限公司 | Manufacturing method and selling method of customized insole |
| CN112449576A (en) * | 2018-07-05 | 2021-03-05 | 脚踏平衡系统有限公司 | Method and system for obtaining foot analysis data |
| CN112617809A (en) * | 2020-12-24 | 2021-04-09 | 新拓三维技术(深圳)有限公司 | Footprint area calculation method and system |
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Application publication date: 20130515 |