CN105105416B - A kind of pin graphic data collector and feet shape measuring method - Google Patents
A kind of pin graphic data collector and feet shape measuring method Download PDFInfo
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- CN105105416B CN105105416B CN201510611864.1A CN201510611864A CN105105416B CN 105105416 B CN105105416 B CN 105105416B CN 201510611864 A CN201510611864 A CN 201510611864A CN 105105416 B CN105105416 B CN 105105416B
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Abstract
The present invention provides a kind of pin graphic data collector and feet shape measuring method, it is possible to increase the reliability of foot's contour shape information.The pin graphic data collector includes：The shadow shield and the bottom camera below the shadow shield of the densely covered small thang-kng hole that foot pedal positions, the foot pedal positions have；The bottom camera, for when the image information that shadow shield is gathered on the foot pedal positions when of riding of user, and according to the light and shade distribution of hole on the shadow shield, obtains the sole contour shape information of user；The pin graphic data collector also includes：Tilting speculum and at least one side camera positioned at foot pedal positions side under shadow shield, the side camera, the pin side image information for gathering user, and the pin side profile shape information of user is extracted according to pin side image information.The present invention is applied to human body information acquisition technique field.
Description
Technical field
The present invention relates to human body information acquisition technique field, human foot's shape is measured using machine vision technique, especially
Refer to a kind of pin graphic data collector and feet shape measuring method.
Background technology
Human body information collection is an emerging technical field, wherein, human outside information is widely used in clothes
The fields such as shoes and hats, medical treatment, physical culture, household, according to the product that personal body sizes are customized, can greatly improve being applicable for product
Property, comfortableness, more preferable experience is brought to user.Wherein, whether shoes fit particularly important to leg articulation health.Mesh
By the way of batch production standard size, for market provides various sizes of shoes, and standard size exists preceding footwear industry
Following problem：
1) individual difference：Under standard size only has a pin parameter index long, but identical pin is long, pin is wide exist it is certain poor
It is different, in addition vola outer, toe arrangement, instep contour curve individual differences it is big, it is very big to comfort degree, cause shoes not
Suitable pin.Particularly toe forward position individual differences are maximum, the serious consequence such as inappropriate footwear type can cause toe to turn up.
2) left and right difference：There is Light Difference between human body or so pin, one or two people's diversity ratio is larger, the shoes of unified size
Left and right pin can not be taken into account.
3) difference in crowds：Different size shoes outputs need a rational ratio, to adapt to different subscript crowds'
Purchasing demand.If proportion of production is improper, short in size phenomenon can be caused, take stock.
Existing domestic and international pin graphic data measurement, more using the mechanical systems such as scale card such as Publication No. 201541846U with
The utility model patent of 203040899U, its mechanical measuring means precision is low, and the data of measurement are few, and it is long to measure pin, front foot
Two parameters wide are slapped, inconvenience is used.The patent of invention of Publication No. 102188075A utilizes scanner principle, and measurement process is changed
It is automatic measurement to enter.But scanning device high cost, can only scan sole image, using being restricted.Publication No.
The patent of invention of 102525034A, using conventional machines vision measuring method, foot's image is gathered, it is necessary to good using multi-cam
Good lighting condition, and because of the interference of socks color, the stability of a system is poor.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of pin graphic data collector and feet shape measuring method, to solve
Mechanical measuring means precision certainly existing for prior art is low, and traditional machine vision metrology is easily by external condition interference, stabilization
Property difference problem.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of pin graphic data collector, including：Foot pedal positions, institute
State the shadow shield and the bottom camera below the shadow shield of the densely covered small thang-kng hole that foot pedal positions have；
The bottom camera, for riding the image information that shadow shield is gathered on the foot pedal positions when as user,
And according to the light and shade distribution of hole on the shadow shield, obtain the sole contour shape information of user.
Alternatively, the pin graphic data collector also includes：Tilting speculum under shadow shield；
In the light path that the speculum is placed between shadow shield and bottom camera, the bottom camera is by shadow shield
Lower section moves to the side of shadow shield；
The bottom camera, the image information for shooting the shadow shield in speculum, and according on the shadow shield
The light and shade distribution of hole, obtains the sole contour shape information of user.
Alternatively, the pin graphic data collector also includes：The side camera of side at least one of foot pedal positions；
The side camera, the pin side image information for gathering user, and extracted according to pin side image information
The pin side profile shape information of user, the pin side profile shape information includes：Instep contour curve.
Alternatively, the thang-kng hole of the shadow shield includes：Through hole or slit.
Alternatively, the sole contour shape information includes：Vola outer curve；
The sole contour shape information also includes：The pin of user is long, front foot is wide, the rear foot is wide, the arrangement point of pin nest ratio, toe
Cloth and foot bottom stress point distributed intelligence.
The embodiment of the present invention also provides a kind of feet shape measuring method, including：
When the image information that gathers shadow shield on foot pedal positions when by bottom camera ridden of user, shading is obtained
The light and shade distribution of hole on plate；
According to the light and shade distribution of hole on shadow shield, the sole contour shape information of user is extracted；
Sole contour shape information according to the user, determines the foot size parameter information of user.
Alternatively, the image information that shadow shield is gathered by bottom camera, obtains the light and shade of hole on shadow shield
Distribution includes：
The original image information of shadow shield is gathered by the bottom camera below shadow shield, to the original image
Binary conversion treatment is carried out, the light and shade distributed image of hole on shadow shield is obtained；Or
The original image information of shadow shield in speculum is shot by the bottom camera for moving to shadow shield side, and it is right
The original image carries out binary conversion treatment, obtains the light and shade distributed image of hole on shadow shield, wherein, the speculum is placed in
In light path between shadow shield and the bottom camera for moving to shadow shield side.
Alternatively, the light and shade distribution according to hole on shadow shield, the sole contour shape information for extracting user includes：
Image scaling, contours extract, smooth is carried out to the light and shade distributed image of hole on the shadow shield, obtains user's
Sole contour line information, the sole contour line includes：Vola outer curve.
Alternatively, methods described also includes：
The pin side image information of user is gathered by side camera；
Pin side image information according to collecting extracts the pin side profile shape information of user, the pin side wheel profile
Shape information includes：Instep contour curve.
Alternatively, the sole contour shape information according to the user, determines the foot size parameter information of user
Including：
According to the physical dimension of vola outer curve, the pin that measures user is long, the wide, rear foot is wide before pin, pin nest is than letter
Breath；
According to the toe arranged distribution of the vola outer Curves Recognition user, and determine foot bottom stress point distributed intelligence.
Above-mentioned technical proposal of the invention has the beneficial effect that：
In such scheme, by foot pedal positions divide into one gather small thang-kng hole shadow shield, when user ride in
When on foot pedal positions, the image information of shadow shield is gathered by the bottom camera below shadow shield, and according on shadow shield
The light and shade distribution of hole, extracts the sole contour shape information of user.So, compared with mechanical measuring means, the present invention is implemented
Example measures the sole contour shape information of user using machine vision metrology method, and measurement result high precision, measurement error is less than
Millimeter；Compared with conventional machines vision measuring method, the embodiment of the present invention is improved using the shadow shield with small thang-kng hole
Image quality, can avoid interference of the external interference such as the socks color information to measurement result, so as to improve sole profile
The stability and reliability of shape information collection, and for user carries out selecting footwear, customization footwear type or pathological diagnosis to provide reference information.
Brief description of the drawings
Fig. 1 is the structural representation one of pin graphic data collector provided in an embodiment of the present invention；
Fig. 2 is the structural representation two of pin graphic data collector provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of feet shape measuring method provided in an embodiment of the present invention.
[main element symbol description]
1. foot pedal positions；
2. shadow shield；
3. bottom camera；
4. side camera；
5. speculum.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention is low for existing mechanical measuring means precision, and traditional machine vision metrology is easily dry by external condition
Disturb, stability difference problem, there is provided a kind of pin graphic data collector and feet shape measuring method.
Embodiment one
Referring to shown in Fig. 1, a kind of pin graphic data collector provided in an embodiment of the present invention, including：Foot pedal positions 1, the pin
Step on the shadow shield 2 and the bottom camera 3 positioned at the lower section of the shadow shield 2 of the densely covered small thang-kng hole that position 1 has；
The bottom camera 3, for riding the image letter that shadow shield 2 is gathered on the foot pedal positions 1 when as user
Breath, and according to the light and shade distribution of hole on the image of the shadow shield 2, obtain the sole contour shape information of user.
Pin graphic data collector described in the embodiment of the present invention, a densely covered small thang-kng hole is divided into by foot pedal positions 1
Shadow shield 2, when riding on foot pedal positions 1 when for user, shading is gathered by the bottom camera 3 positioned at the lower section of shadow shield 2
The image information of plate 2, and according to the light and shade distribution of hole on the image of shadow shield 2, obtain the sole contour shape information of user.This
Sample, compared with mechanical measuring means, the embodiment of the present invention measures the sole contour shape of user using machine vision metrology method
Information, measurement result high precision, measurement error is less than millimeter；Compared with conventional machines vision measuring method, the embodiment of the present invention
Image quality is improved using the shadow shield 2 with small thang-kng hole, the external interference information pair such as socks color can be avoided
The interference of measurement result, so as to improve the stability and reliability of sole contour shape information gathering, and for user is selected
Footwear, customization footwear type or pathological diagnosis provide reference information.
Pin graphic data collector provided in an embodiment of the present invention can work under external environmental light, it is not necessary to special photograph
Mingguang City source, use environment is more extensive, and images first-class device element low cost, it is easy to promote.
In the embodiment of the present invention, human foot shape is measured by the method for optical imagery, the equipment for measuring human foot shape is pin
Graphic data collector, the pin graphic data collector includes：The densely covered small light hole that foot pedal positions 1, the foot pedal positions 1 have
The shadow shield 2 of gap and the bottom camera 3 positioned at the lower section of the shadow shield 2, the bottom camera 3 are used to gather shadow shield 2
Image information, specifically, when the image information that shadow shield 2 is gathered on the foot pedal positions 1 when ridden of user, and according to
The light and shade distribution of hole, obtains the sole contour shape information of user on the image of the shadow shield 2.
The acquisition principle of pin graphic data collector provided in an embodiment of the present invention is as follows, when riding in foot pedal positions 1 for user
On, the small thang-kng hole on shadow shield 2 at sole is blocked by the pin of user, and external environmental light can not pass through the hole being blocked
It is irradiated in bottom camera 3, the image for being in is dead color；The hole not blocked by sole on shadow shield 2, due to external environment
Light can be passed through and is irradiated in bottom camera 3, and the image for being in is light tone.Therefore the shading captured by bottom camera 3
It is identical that the light and shade that the image of plate 2 is presented is distributed in sole shape, so as to sketch the contours of clearly sole contour shape information.Namely
Say whether covered by the sole of user according to small thang-kng hole, hole can be presented the shape of not light leak, light leak or half light leak
State, bottom camera 3 shoots the image of shadow shield 2, and according to the distribution of light leak hot spot at hole on shadow shield 2, sketches the contours of clear
Clear sole contour shape information.
In the specific embodiment of foregoing pin graphic data collector, alternatively, the pin graphic data collector also includes：
Speculum 5 tilting under shadow shield 2；
In the light path that the speculum 5 is placed between shadow shield 2 and bottom camera 3, the bottom camera 3 is by shading
The lower section of plate 2 moves to the side of shadow shield 2；
The bottom camera 3, the image information for shooting the shadow shield 2 in speculum 5, and according to the shadow shield
The light and shade distribution of hole, obtains the sole contour shape information of user on 2 images.
In the embodiment of the present invention, referring to shown in Fig. 2, in order to reduce the equipment volume of the pin graphic data collector, hiding
Set up a tilting speculum 5 under tabula rasa 2, and bottom camera 3 by original position in the lower section of shadow shield 2 moves to shadow shield 2
Side, in the light path between the bottom camera 3 that the speculum 5 is placed in after shadow shield 2 and movement, now, the bottom is taken the photograph
As first 3 image informations that shadow shield 2 is shot by speculum 5, it may also be said to, the bottom camera 3 is shot in speculum 5
The image information of shadow shield 2.
In the specific embodiment of foregoing pin graphic data collector, alternatively, the pin graphic data collector also includes：
The side camera 4 of side at least one of foot pedal positions 1；
The side camera 4, the pin side image information for gathering user, and extracted according to pin side image information
The pin side profile shape information of user, the pin side profile shape information includes：Instep contour curve.
In the embodiment of the present invention, referring to shown in Fig. 2, in order to gather the pin side profile shape information of user, in foot pedal positions 1
Side at least provided with a side camera 4, the side camera 4, the pin side image information for shooting user, and according to
The pin side image information of the user for photographing, extracts instep contour curve.So, in the embodiment of the present invention, user is not only gathered
Sole contour shape information, also gather the pin side profile shape information of user, and the sole contour shape information to collecting
Processed with pin side profile shape information, so that automatic measurement human foot's contour shape information, with automatically scanning measurement side
Method is compared, and more fully, specifically, and the embodiment of the present invention is carried the embodiment of the present invention is collected user foot contour shape information
The equipment cost of the pin graphic data collector of confession is low, is easy to large-scale application.
In the embodiment of the present invention, the thang-kng hole of the shadow shield 2 includes：Through hole or slit.
In the specific embodiment of foregoing pin graphic data collector, alternatively, the sole contour shape information includes：
Vola outer curve；
The sole contour shape information also includes：The pin of user is long, front foot is wide, the rear foot is wide, the arrangement point of pin nest ratio, toe
Cloth and foot bottom stress point distributed intelligence.
In the embodiment of the present invention, using machine vision technique, according to the light and shade distribution of hole on the image of shadow shield 2, the bottom of to
The image information of the shadow shield 2 that portion's camera 3 is collected is processed, and obtains the sole contour shape information of user, the pin
Bottom contour shape information includes：Vola outer curve；And according to the physical dimension of vola outer curve, measure the pin of user
The wide, rear foot is wide before long, pin, pin nest compares information；Simultaneously, moreover it is possible to the toe arrangement point according to the vola outer Curves Recognition user
Cloth, and determine foot bottom stress point distributed intelligence.
In the embodiment of the present invention, the pin of the user of above-mentioned determination is long, front foot is wide, the rear foot is wide, the arrangement point of pin nest ratio, toe
The information such as cloth, foot bottom stress point distributed intelligence and instep contour curve can select footwear, customization footwear type, pathological diagnosis etc. for user
People needs to provide reference information, widely used.
Embodiment two
The present invention also provides a kind of specific embodiment of feet shape measuring method, due to foot's shape that the present invention is provided
Shape measuring method is corresponding with the specific embodiment of foregoing pin graphic data collector, and the feet shape measuring method can pass through
The process step in above method specific embodiment is performed to realize the purpose of the present invention, therefore above-mentioned pin graphic data collector
Explanation in specific embodiment, is also applied for the specific embodiment of the feet shape measuring method of present invention offer,
Be will not be described in great detail in specific embodiment below the present invention.
Referring to shown in Fig. 3, the embodiment of the present invention also provides a kind of feet shape measuring method, including：
S101：When the image information that gathers shadow shield 2 on foot pedal positions 1 when by bottom camera 3 ridden of user,
Obtain the light and shade distribution of hole on shadow shield 2；
S102：According to the light and shade distribution of hole on shadow shield 2, the sole contour shape information of user is extracted；
S103：Sole contour shape information according to the user, determines the foot size parameter information of user.
Feet shape measuring method described in the embodiment of the present invention, a densely covered small light hole is divided into by foot pedal positions 1
The shadow shield 2 of gap, when riding on foot pedal positions 1 when for user, is gathered by the bottom camera 3 positioned at the lower section of shadow shield 2 and hidden
The image information of tabula rasa 2, and according to the light and shade distribution of hole on the image of shadow shield 2, the sole contour shape information of user is obtained,
And according to the sole contour shape information of the user, further determine that the foot size parameter information of user.So, with machinery
Measuring method is compared, and the embodiment of the present invention measures sole contour shape information, the foot of user using machine vision metrology method
Detail parameters information, measurement result high precision, measurement error is less than millimeter；Compared with conventional machines vision measuring method, this hair
Bright embodiment improves image quality using the shadow shield 2 with small thang-kng hole, and socks color etc. can be avoided extraneous dry
Interference of the information to measurement result is disturbed, so as to improve sole contour shape information, the stability and reliability of dimension information collection
Property, and for user carries out selecting footwear, customization footwear type or pathological diagnosis to provide reference information.
It is alternatively, described to be gathered by bottom camera 3 in the specific embodiment of foregoing feet shape measuring method
The image information of shadow shield 2, the light and shade distribution for obtaining hole on shadow shield 2 includes：
The original image information of shadow shield 2 is gathered by the bottom camera 3 positioned at the lower section of shadow shield 2, to described original
Image carries out binary conversion treatment, obtains the light and shade distributed image of hole on shadow shield 2；Or
The original image information of shadow shield 2 in speculum 5 is shot by the bottom camera 3 for moving to the side of shadow shield 2,
Binary conversion treatment is carried out to the original image, the light and shade distributed image of hole on shadow shield 2 is obtained, wherein, the speculum 5
In being placed in shadow shield 2 and moving to the light path between the bottom camera 3 of the side of shadow shield 2.
It is alternatively, described according to hole on shadow shield 2 in the specific embodiment of foregoing feet shape measuring method
Light and shade is distributed, and the sole contour shape information for extracting user includes：
Image scaling, contours extract, smooth is carried out to the light and shade distributed image of hole on the shadow shield 2, user is obtained
Sole contour line information, the sole contour line includes：Vola outer curve.
In the specific embodiment of foregoing feet shape measuring method, alternatively, methods described also includes：
The pin side image information of user is gathered by side camera 4；
Pin side image information according to collecting extracts the pin side profile shape information of user, the pin side wheel profile
Shape information includes：Instep contour curve.
In the specific embodiment of foregoing feet shape measuring method, alternatively, the sole according to the user
Contour shape information, determining the foot size parameter information of user includes：
According to the physical dimension of vola outer curve, the pin that measures user is long, the wide, rear foot is wide before pin, pin nest is than letter
Breath；
According to the toe arranged distribution of the vola outer Curves Recognition user, and determine foot bottom stress point distributed intelligence.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of feet shape measuring method, it is characterised in that including：
When the image information that gathers shadow shield on foot pedal positions when by bottom camera ridden of user, obtain on shadow shield
The light and shade distribution of hole；
According to the light and shade distribution of hole on shadow shield, the sole contour shape information of user is extracted；
Sole contour shape information according to the user, determines the foot size parameter information of user.
2. feet shape measuring method according to claim 1, it is characterised in that described collection by bottom camera is hidden
The image information of tabula rasa, the light and shade distribution for obtaining hole on shadow shield includes：
The original image information of shadow shield is gathered by the bottom camera below shadow shield, the original image is carried out
Binary conversion treatment, obtains the light and shade distributed image of hole on shadow shield；Or
The original image information of shadow shield in speculum is shot by the bottom camera for moving to shadow shield side, and to described
Original image carries out binary conversion treatment, obtains the light and shade distributed image of hole on shadow shield, wherein, the speculum is placed in shading
In light path between plate and the bottom camera for moving to shadow shield side.
3. feet shape measuring method according to claim 1, it is characterised in that it is described according on shadow shield hole it is bright
Dark distribution, the sole contour shape information for extracting user includes：
Image scaling, contours extract, smooth is carried out to the light and shade distributed image of hole on the shadow shield, the sole of user is obtained
Contour line information, the sole contour line includes：Vola outer curve.
4. feet shape measuring method according to claim 3, it is characterised in that also include：
The pin side image information of user is gathered by side camera；
Pin side image information according to collecting extracts the pin side profile shape information of user, the pin side profile shape letter
Breath includes：Instep contour curve.
5. feet shape measuring method according to claim 3, it is characterised in that the sole wheel according to the user
Wide shape information, determining the foot size parameter information of user includes：
According to the physical dimension of vola outer curve, the pin that measures user is long, the wide, rear foot is wide before pin, pin nest compares information；
According to the toe arranged distribution of the vola outer Curves Recognition user, and determine foot bottom stress point distributed intelligence.
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| CN201510611864.1A CN105105416B (en) | 2015-09-23 | 2015-09-23 | A kind of pin graphic data collector and feet shape measuring method |
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| CN201510611864.1A CN105105416B (en) | 2015-09-23 | 2015-09-23 | A kind of pin graphic data collector and feet shape measuring method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105455309A (en) * | 2015-12-30 | 2016-04-06 | 上海衣得体信息科技有限公司 | Foot scanner with clamping device and scanning method thereof |
| CN107373892B (en) * | 2017-07-20 | 2020-06-05 | 深圳市云智数据服务有限公司 | Accurate station position automatic monitoring and prompting system and method of three-dimensional foot type scanner |
| CN107874762B (en) * | 2017-12-25 | 2023-07-21 | 苏州半鱼健康科技服务有限公司 | Sole shape acquisition device |
| CN109470141B (en) * | 2018-11-17 | 2021-03-16 | 先临三维科技股份有限公司 | Scanning system and method, scanning platform, computer device and readable storage medium |
| CN110215390A (en) * | 2019-05-07 | 2019-09-10 | 山西嘉世达机器人技术有限公司 | A kind of control method and equipment |
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| AU2004202110A1 (en) * | 2003-05-13 | 2004-12-02 | Gadean Footwear (Australia) Pty Ltd | An Apparatus for Measuring and Recording the Image of a Three Dimensional Object |
| CN201668042U (en) * | 2010-05-01 | 2010-12-15 | 温州大学 | Foot type calibration template |
| CN104757744A (en) * | 2014-01-03 | 2015-07-08 | 北京博维恒信科技发展有限公司 | Three-dimensional foot form measuring system |
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| CN1042296A (en) * | 1988-10-31 | 1990-05-23 | 纳撒尼尔古尔德诊断技术有限公司 | Use moire fringe analysis and measure the pin shape measuring equipment and the method for pin shape |
| AU2004202110A1 (en) * | 2003-05-13 | 2004-12-02 | Gadean Footwear (Australia) Pty Ltd | An Apparatus for Measuring and Recording the Image of a Three Dimensional Object |
| CN201668042U (en) * | 2010-05-01 | 2010-12-15 | 温州大学 | Foot type calibration template |
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