WO2002040941A1 - Système de distribution d'informations d'empreintes de pied - Google Patents
Système de distribution d'informations d'empreintes de pied Download PDFInfo
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- WO2002040941A1 WO2002040941A1 PCT/JP2000/008056 JP0008056W WO0240941A1 WO 2002040941 A1 WO2002040941 A1 WO 2002040941A1 JP 0008056 W JP0008056 W JP 0008056W WO 0240941 A1 WO0240941 A1 WO 0240941A1
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- data
- foot
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/30—Polynomial surface description
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D1/00—Foot or last measuring devices; Measuring devices for shoe parts
- A43D1/02—Foot-measuring devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0621—Item configuration or customization
Definitions
- the present invention relates to a network system that determines an optimum measurement position of a footprint and distributes footprint information based on the measurement position.
- each 3D shape data has a corresponding feature point.
- both data have corresponding feature points such as the rearmost part of the heel and the rearmost part of the heel, the tip of the first finger and the tip. It is that you are.
- the difference between the two shapes can be made constant by performing deformation so that the feature points of one of the three-dimensional images coincide.
- the FFD method could not be used.
- the present invention provides a computer-readable storage medium storing foot shape information on a three-dimensional shape of a foot,
- This footprint information has “section data” of the sections shown in (A) to (L) defined based on the anatomical feature points, and includes at least five or more “section data”. It is characterized by.
- “Foot shape information” in the present invention is information for specifying a three-dimensional shape of a foot, and includes information having cross-sectional data described below. And “section data” This refers to data that indicates the contour of each section (A) to (L) defined below.
- the present invention by including at least five or more cross-sectional data, it is possible to grasp the main shape of the foot using only the cross-sectional data.
- the above-described cross-sectional data each represent a characteristic part of the foot, the three-dimensional shape of the foot can be efficiently represented with a small amount of data.
- Respectively anatomical feature points in the present invention Fi g la, lb, lc, to ld.
- Anatomical feature points are points determined from the shape of bones and tendon positions, and the meaning of the terms is the same as that used in anatomy.
- transition point 5 The transition point is a point that indicates the boundary between the leg and the foot. 1) Intersection between the tibialis anterior tendon and wrinkles formed when the ankle is bent
- Foot axis transition point 2 7 A line drawn vertically from the medial malleal point 2 on the ankle surface
- this division is preferably performed by dividing the surface distance. Therefore, in the case of the cross section H, “the distance between the tibial midfoot point 8 and the scaphoid point 7 is divided into three equal parts”.
- the present invention is a network system including a user terminal 41 and a server device 42, wherein the server device 42 is defined for the user terminal 41 based on anatomical feature points ( A)
- the footprint information having the section data of the sections shown in A) to (L) It has means for distributing, and this "footprint information" includes at least five or more "cross-section data”.
- User terminal 41 refers to a terminal used by a user to obtain information, and can be implemented by a computer having a display screen, control device, input / output device (keyboard-mouse), and communication device. is there.
- the “server machine 42” refers to a computer for distributing the footprint information via the network 43. If the network 43 is the Internet, it functions as a database server (preferably, the function of a web server is also provided). (Including).
- the present invention also relates to a server machine 42 communicably connected via a network 43, wherein the server machine includes a section defined in (A) to (L) defined based on anatomical feature points. It has means for distributing "footprint information" having "cross-sectional data”, and the "footprint information” includes at least five or more "cross-sectional data”.
- the server machine 42 described above wherein the “footprint information” to be distributed includes respective cross-sectional data of an ankle, an ankle, an arch, a pole, and a fingertip. Is desirable. The three-dimensional shape of the entire foot can be efficiently specified based on the cross section of each part. With this footprint information, it is possible to manufacture shoes suitable for the measurer.
- the present invention is the server machine 42 described above, wherein at least three or more pieces of "footprint information" are stored in the storage means for each foot size, and according to the requested foot size. It is desirable to distribute "footprint information".
- the present invention is the server machine 42 described above, and it is preferable that the “footprint information” to be distributed includes the “surface shape data j” of the foot.
- the “surface shape data” of the foot refers to various three-dimensional shape data indicating the shape of the surface of the foot, not the cross-sectional data described above. For example, it is a set of continuous coordinate points representing the shape of the foot surface, or data of a functional expression representing a curved surface representing the foot surface.
- Such an advantage has the advantage that the shape of the entire foot as well as the characteristic part of the foot can be visually represented.
- a data representing a cross section of the foot other than the data of the cross section. For example, if you want to know the shape of the horizontal cross section of the foot when it rises at 5 mm intervals from the sole, you can arbitrarily obtain from this surface shape data. Also, a newly defined cross-sectional shape of the foot, such as a vertical cross section from the tip of the first finger to the heel point 6, can be created by processing the surface shape data.
- the footprint information according to the present invention enables any human foot to be compared based on the anatomical feature points based on the cross-sectional data based on the anatomical feature points. Furthermore, by including the surface shape data, not only can the shape of the foot be visually grasped, but also by processing this surface shape data, various foot shapes (cross-sectional shapes) desired by the person using this data can be obtained. ) Can be obtained.
- the perimeter of each cross section is required.
- the perimeter of each cross section cannot be determined accurately by simply connecting the points on the cross section. Connecting points on the cross section with a straight line will always be shorter than the perimeter of the actual cross section. is there. Therefore, in this embodiment, the position of the cross section can be determined based on the anatomical feature point, and the perimeter of the cross section can be obtained from the surface shape data.
- the foot surface shape data includes data representing the surface shape of the foot, the number of which is appropriately reduced.
- the shape of the foot is complicated, and the number of data is large.
- the simple shape such as the instep or sole of the foot, Is the number of nights. If the number of data is appropriately thinned out as described above, there is an advantage that a communication load when a computer reads out the data and when transmitting and receiving the data via a network is reduced.
- the present invention is also the network system described above, wherein the “surface shape data” included in the “footprint information” is within an error range within 1.0 mm from the actually measured foot shape. Is desirable.
- the present invention can be embodied in the following form as a system for performing FFD analysis of a footprint.
- a network system including a user terminal 41 having a FFD analysis means and a server machine 42,
- the characteristic points of the cross-sectional data stored in advance in the user terminal 41 and the characteristic points of the cross-sectional data transmitted from the server machine 42 have the same cross-section and the same definition. . Therefore, this user can perform the FFD analysis of the footprint by associating the feature points in the footprint information received from the server machine 42 via the network 43 with the feature points of the footprint information stored in advance. It becomes possible.
- the FFD analysis can be performed by sending various footprint information to the user terminal 41 as long as data communication via the network 43 is possible. Can be performed.
- each shoe manufacturer stores the ideal footprint information as the basic form for making its own shoes.
- the user measures the footprint information of a certain subject and stores it.
- the ideal footprint information of each shoe maker is transmitted from the server machine 42 to the user terminal 41 via the network 43.
- the transmitted footprint information and the footprint information measured by the user have the same cross-sectional data and characteristic points.
- the user terminal 41 can perform FFD analysis in correspondence with these feature points. In other words, there is no need for the user to determine the feature points himself in the footprint information received from the server machine.
- the present invention is the network system described above,
- the feature points in the "footprint information" stored by the user terminal 41 and the “footprint information” delivered by the server machine 42 are appropriately approximated between the anatomical feature points and the quasi-feature points in the cross section, and between these feature points. What is constituted by equally divided divided feature points is desirable.
- the present invention is the above-described network system
- the "footprint information" stored by the user terminal 41 has at least five or more "section data",
- the “footprint information” delivered by the server machine 42 also have five or more “section data” at the same position as the section data stored in the user terminal 41.
- the present invention can be implemented as follows in order for a selector to select an appropriate shoe for a customer.
- a shoe selection system having an optical footprint measuring device 67 and a computer, wherein the computer stores “ideal footprint information” of the shoe,
- the “ideal footprint information” of the shoes is not the three-dimensional information of the shape of the shoe itself, but the three-dimensional shape information of the foot considered to be most suitable for each shoe. Create.
- This ideal footprint information is a three-dimensional representation of an ideal foot shape. From this point, this ideal footprint information also has the same cross-sectional data as the footprint information.
- the point of the present invention is to express the three-dimensional shape of a foot by various cross-sectional contours based on anatomical feature points.
- the data specifying the outline of each section is defined as the section data, and the explanatory views of the anatomical feature points of the feet shown in Figs. La to ld, and the sectional positions and feature points shown in Figs. 2a to 2f
- Figs. 3a to 3l A specific example of the cross-sectional data shown in Figs. 3a to 3l will be described with reference to Figs.
- Fig.2a Each cross-sectional position and characteristic points when the right foot is seen from the medial malleolus side
- Fig.2f Correspondence between the medial malleolus side of the right heel and the sole The positional relationship from section A to section L is shown in Fig.2a.
- Section A is a horizontal section near the ankle. Then, the position of the section moves toward the fingertip side as the section B and C progress.
- Sections H to L are vertical sections on the fingertip side.
- This cross-sectional data is a data showing the outline of the cross-section, and this data can be represented in a plane as shown in Figs. 3a to 31.
- this cross-sectional data is not two-dimensional data, but three-dimensional data having the measured position on the foot and its inclination.
- the structure of the cross-section data There is no particular limitation on the structure of the cross-section data.
- Various forms such as a set of coordinate points and a combination of coordinate point function formulas can be used as long as the cross-sectional contour shape and its inclination and position can be specified. May be overnight.
- the cross-sectional data is configured by data of coordinate points of three orthogonal axes.
- the present invention can also be implemented in a mode in which the above-described cross-sectional data is configured by feature points.
- the “feature point” is a point on the contour line of the cross section, which is an effective point for representing the feature of the cross section shape. That is, it means a desirable data point when each cross-sectional shape is represented by a smaller number of data.
- the cross-sectional data to be described below is an embodiment in which the cross-sectional data is configured using this characteristic point.
- three types of feature points are used. 1.
- the feature points in the cross-sectional data are configured by anatomical feature points and quasi-feature points, and furthermore, by dividing the two feature points into appropriate and substantially equally divided feature points.
- the number of data is small, it is possible to efficiently represent the cross-sectional shape.
- the Ki is anatomical feature points
- quasi-feature point is a ⁇ , division, especially 'The ⁇ point is indicated by ⁇ .
- the line of intersection with the vertical section including the foot axis CL is indicated by a thick solid line.
- cross-section data does not need to be composed only of these characteristic points, but may be composed by combining these characteristic points with other data forming the contour of the cross-section.
- the data points on the cross-section may be equally divided around the cross-section of the cross-section, and the invention may be embodied even when the division points are measured.
- the number of feature points and other data constituting the cross-sectional data may be determined arbitrarily according to the purpose. When comparing detailed shapes, increase the number of times. On the other hand, if the amount of data is to be reduced, the number of data should be reduced.
- the cross-sectional data of the footprint information to be compared must have corresponding data points (feature points). The more data points there are, the more precise comparisons can be made. However, too much would unnecessarily increase the computational burden. In addition, the effect of the invention of reducing the communication load will be reduced if the amount of data is large.
- the number of data points in one cross-sectional data can be set in the range of 5 to 200, and the range of 100 to 100 is considered in consideration of calculation efficiency and the like. It is desirable.
- cross-sectional data is a data that efficiently represents the three-dimensional characteristics of a foot while having a small number of data, and that is also desirable for FFD analysis.
- Section A is a horizontal section at 1.6 times the middle height between the medial end point height HT 1 and the lateral malleolar end point HT 2.
- endulal end point 2 means the lower end position of the endocarp shown in Fig.la, and its height Is shown as HT1.
- End point 4 J means the lower end position of the epicarp shown in Fig.lb, and its height is shown as HT2.
- Section A is the HT1.
- FIG. 3a (2) Cross-sectional data of this cross-section A is shown in Fig. 3a.
- the cross section data of cross section A is composed of 25 feature points counterclockwise from data 1 on the fingertip side.
- a cross-section having no anatomical feature point in the outline of the cross-section is also a cross-section determined based on the anatomical feature point in the present invention.
- Data 101 is the intersection of the vertical section including the second foot axis SL with the section A, that is, the point on the front side.
- de-night 102 is a point A 1 in front of section A.
- anterior point A l of section A refers to the intersection of the vertical section including the line extending from the upper point of the posterior tendon 25 to the heel side parallel to the foot axis CL and section A (Fig. 2c). , 2d).
- the rear tendons on parallel lines BL lines “that parallel stretched heel foot axis CL from the tendon top point 2 5 (Fi g .2d, BL ).
- the data is 106 points as the point directly above the inner malleable point 1
- the data 109 is the most depressed point behind the medial malleolus
- the data 114 is the point at the center of the width of the Achilles tendon from the heel
- Data 118 is defined as the point that is the most concave at the back of
- data 121 is defined as the point immediately above the point 3 of the outer fruit.
- a divided feature point obtained by equally dividing the feature points is determined.
- the surface distance of the cross section between data 102 and data 106 is divided into four equal parts, and data 103, 104, and 105 are determined.
- the distance between 106 and 109 is divided into three equal parts, and 107 and 108 are determined.
- other data is determined by equally dividing the previously determined feature points.
- the horizontal section in section A means a plane that is in a horizontal positional relationship with the ground, but does not need to be strictly horizontal, and can be grasped as horizontal if it is tilted from 0 ° to 3 °. .
- the shape around the ankle can be specified by the cross-sectional data of the cross-section A.
- the section B is composed of two sections, a section B a on the fingertip side and a section B b on the heel side.
- Section B a is a section passing through the following three points.
- the first point is the point of the average height of the cross section A height HT5 and the height of the innermost malleable point 1 just above the innermost malleable point 1 (Fig.2a point B1).
- the “section A height HT 5” is HT5 in Fig.lc.
- the highest point of the inner malleable point 1 is HT3. In Fig.lc.
- the second point is the point on the side of the section A front point A1 (Fig. 2a point B2) among the points that divide the surface distance between the section A front point A1 and the transition point 5 into three equal parts. .
- transition point 5 is “the intersection of the wrinkles formed when the tendon of the tibialis anterior muscle and the ankle are bent”.
- the third point is the point (Fic.2e point B 3), which is just above the outermost point 3 and has an average height of section A height HT 5 and the outermost point 3.
- ⁇ the outermost malleable point 3 J '' refers to the point of the peroneal malleolus that protrudes outward as shown in Fig.lc
- ⁇ the outermost malleolar point 3 height '' is HT4 in Fig.lc. It is.
- Section B b is a section passing through the following three points.
- the first point is the point of the average height of the cross section A height HT 5 and the height of the innermost malleable point 1 immediately above the innermost malleable point 1 (point B1 in Fig. 2a).
- the second point is the point (Fig.2a point B4) on the section A rear point A2 side, which divides the surface distance between the section A rear point A2 and the heel point 6 into three equal parts.
- the third point is the point of equal height (Fic.2e point B 3) just above the outermost point 3 on the cross section A, height HT5 and the highest point on the outermost point 3 HT4.
- cross-section A rear point A 2 means the position of the cross-section A on the most heel side (rear).
- Fig. 3b shows the cross section of this cross section B.
- Section B like Section A, has 25 feature points, and there are no anatomical feature points in the data.
- a quasi-feature point the point of intersection on the toe side with the vertical section including the second foot axis SL, the data 201 as the intersection with the vertical section including the parallel line BL on the posterior tendon;
- data 210 as a concave point behind the medial malleolus
- data 214 as the center of the width of the Achilles tendon and the most posterior point
- data 218 as the most concave point behind the lateral malleolus
- Data 221 is defined as the point immediately above the end point 3 of the result. Then, the quasi-feature points are equally divided as appropriate, and the divided feature points are determined. ⁇ ⁇
- the shape of the foot around the ankle which is a complicated shape, can be specified with a small number of data points.
- the section C is composed of two sections, a section C a on the fingertip side and a section C b on the heel side.
- Section C a is a section passing through the following three points.
- Section C b is a cross section of the section passing through the following three points.
- the first point is the innermost point 1
- the third point is the point on the transition point 5 side of the point that divides the surface distance between the section A rear point A2 and the heel point 6 into three equal parts (point C2 in Fig. 2a).
- FIG. 3c Cross-sectional data of this cross-section C is shown in Fig. 3c.
- This section C has 27 feature points.
- data 306 is the inner malleable point 1 which is an anatomical feature point
- de 323 is the outer malleable point 3.
- the data 301 is the intersection of the toe side with the vertical section including the second foot axis SL
- the data 302 is the intersection with the vertical section including the parallel line BL above the posterior tendon
- the data 310 is the most concave point at the back of the medial malleolus.
- the data 314 at the point closest to the heel and the data 320 at the point most concave behind the epicarpus are defined as quasi-feature points.
- the cross section of the cross section C in particular, the cross section of the cross section C 2 can specify the shape of the periphery of the Achilles tendon with a small number of data points.
- Cross-section D is a cross-section including medial end point 2, lateral end point 4 and heel point 6.
- Section data of section D is shown in Fig. 3d.
- this section D there are 17 feature points.
- data 401 is the medial end point 2 which is an anatomical feature point
- data 409 is the heel point 6
- data 417 is the lateral end point 4. Then, no quasi-feature points are provided in this cross section, and between the above-mentioned anatomical feature points, the surface distance thereof is divided into eight to set divided feature points.
- the form of the cross-sectional data may be a form having data in only a part of the periphery of the cross-section as in the cross-section D.
- this section D has data only in the half circumference on the heel side of the section.
- this section D is a section for characterizing the shape of the heel side. Therefore, it is possible to arbitrarily set and change the position of the sun on the cross section for each cross section.
- the cross section D is combined with the cross section E, and the shape around the heel and the shape of the heel can be specified with a small number of data points.
- the epicarp 4 (de 417) is one point that defines the cross-section. This epicarp 4 is above the top line of the shoe. Therefore, when a shoe is prepared with reference to the cross section D, the position of the top line of the shoe can be determined from the position of the vertex 4. ' ⁇ Section E
- Section E is a plane perpendicular to the sagittal plane that includes the foot axis CL through the following two points. -The first point is the ground point 2 3
- the second point is the division point E 1 closest to the transition point 5 among the three division points that divide the surface distance between the cross-sectional H upper tendon point H 3 and the transition point 5 into four.
- data 501 is the intersection of the vertical section containing the second leg axis SL with the section E on the instep side
- the data 502 is the intersection of the vertical section containing the parallel line BL on the posterior tendon
- Data 506 is set as the intersection of the line connecting section 2 and scaphoid point 7 with section E
- data 508 is set as the point immediately below medial end point 2.Others 511, 515, 519, and 521 are defined. It is determined as a split feature point. In addition, Day 515 coincides with the contact point 23 defined as a feature point.
- anatomical feature points are provided to clarify the position to be measured from the heel to the instep of the foot. Therefore, if the cross section data is measured as the cross section E, the data can be compared even if the measurer is different.
- Section F is a plane passing through the following three points.
- the first point is the midpoint between the cross-sectional point H above the tendon H3 and the transition point 5 (Fig. 2d, F1)
- the second point is the intersection between the straight line passing through the foot axis transition point 27 and orthogonal to the foot axis CL and the plantar transition line 26 (Fig. 2f, F2)
- the third point is the intersection between the straight line passing through the foot axis transition point 27 and perpendicular to the foot axis CL and the sole transition line 26 (Fig. 2f, F3).
- the scaphoid point 7 is used instead of the above-mentioned data 606.
- the scaphoid point 7 may not be included in the plane that defines the section F. Even in this case, it is desirable that the scaphoid point 7 be used in the cross section.
- the position of the scaphoid point 7 varies greatly among individuals and is a good representation of the morphological characteristics of the foot. It is also desirable to use the scaphoid point 7 as a feature point when performing FFD analysis.
- the cross section is not a flat surface, but the position of this data 606 is dented or swelled.
- the most prominent point refers to the most protruding portion on the inside and outside of the foot.
- data 606 means the innermost protruding point
- data 616 means the outermost protruding point.
- Section G is a plane perpendicular to the sagittal plane, including the foot axis CL, as shown in the following two points. • The first point is the 5th metatarsal rough surface point 9 '
- the second point is the cross section when the surface distance between the cross section ⁇ upper tendon ⁇ 3 and the transition point 5 is divided into four equal parts using three division points ⁇ upper tendon ⁇ 3 side division point (Fig. 2d , G1)
- Data 719 is the fifth metatarsal rough surface point 9 which is an anatomical feature.
- data 701 as an intersection with the vertical section including the second foot axis SL
- data 702 as an intersection with the vertical section including the posterior parallel line BL
- a data point at the innermost point evening 707 the intersection of the line connecting data 610 in section F and the data 1108 on section K described later is 710
- the intersection of the vertical section including the foot axis CL is 713
- Data 716 as the intersection with
- data 718 which is the outermost point as quasi-feature points.
- a space between these feature points is defined as a divided feature point.
- the data 702 and the data 707 are divided into three equal parts, the positions of the data 704 and the data 706 are determined, and the data 702 and the data 704 are further divided. This is the result of dividing data 706 into two parts.
- Section H is a vertical section passing through the following two points. ⁇
- the eye point is the scaphoid point when the surface distance between the tibial midfoot point '8 and the scaphoid point 7 is divided into three equal parts
- the second point is the point on the fifth metatarsal surface rough surface point 9 side when the surface distance between the fibular metatarsal point 10 and the fifth metatarsal surface rough surface point 9 is divided into three equal parts (Fig. 2c, H2).
- Fig. 3K shows the cross section data for this cross section H.
- the lower left data is located higher than the lower right data, indicating the shape of the arch of the right foot.
- the quasi-feature points are determined as follows.
- Data 801 as the intersection with the vertical section including the second foot axis SL, and the intersection of the line connecting the anterior tendon upper point 24 and the posterior tendon upper point 25 with this section 810 (section H upper tendon H 3), the vertical cross section including the data 808 and the foot axis CL as the intersection of the data 806 and data 816 as the innermost and outermost points, and the line connecting the data 601 in the cross section F and the data 1108 of the cross section K described later.
- Data 811 is the intersection with, and data 814 is the intersection with the sole transition line 26. Then, a divided feature point is determined by equally dividing the surface distance between these feature points.
- the distance between the data 802 and the data 806 is divided into three equal parts (excluding the data 803), while the distance from the data 816 to the data 801 is divided into eight equal parts.
- the cross-sectional data of this cross section H the number of data on the inner side is reduced and the number of data on that side is increased.
- the cross-sectional data can be implemented by arbitrarily setting and changing the data density of a necessary portion.
- the shape of the foot of the arch can be specified with a small number of data points.
- the vertical section from section H to section L means a plane that is perpendicular to the ground, but does not need to be strictly perpendicular and has a slope of 0 ° to 3 °. If there is, it can be grasped as vertical.
- Section J is a vertical section passing through the following two points.
- the first point is the point on the shin metatarsal point 8 when the surface distance between the shin metatarsal point 8 and the scaphoid point 7 is divided into three equal parts (Fig. 2a, J1).
- the second point is the point on the fibular metatarsal point 10 when the surface distance between the fibular metatarsal point 10 and the fifth metatarsal surface rough surface point 9 is divided into three equal parts (Fig. 2e, J2).
- Section K is a vertical section passing through the shin metatarsal point 8 and the fibular metatarsal point 10.
- data 1005 is the shin metatarsal point 8 which is an anatomical feature point
- data 1018 is the fibular metatarsal point 10.
- data 1001 is defined as the intersection with the vertical section including the second foot axis SL
- data 1006 and data 1016 are defined as the quasi-characteristic points as the innermost and outermost protruding points as in section J.
- Section L is a vertical section passing through the first finger contact 11 and the fifth finger contact 12.
- FIG. 1 The cross section data of this cross section L is shown in Fig.
- This cross-sectional data defines data 1101 to 1111 as feature points.
- data 1104 is the first finger contact 11 which is an anatomical feature
- data 1107 is the fifth finger contact 12.
- the data points 1102, 1101, 1111, 1110, and 1109 are the top points of the first to fifth fingers, respectively, and data 1105 and 1106 are the quasi-features as the intersections with the sole transition line 26. It is defined as a point.
- data 1103 and 1108 are defined as divided feature points.
- this cross-sectional data includes data indicating the outline of each finger to represent the shape of each finger.
- the reference line of footprint information has been used from the tip of the second finger to the heel point 6.
- many of the ideal footprint information of shoes did not include the shape of the finger, and it was not possible to identify the reference line of the foot using the tip of the second finger.
- the foot axis CL defined in the present invention has an advantage that the reference line can be specified regardless of the presence of the second finger.
- the last which is the last type, omits the shape of the fingertip. Therefore, as in the case of the ideal footprint information, the conventional reference line could not be provided for the last. Therefore, it was not possible to compare the last information with the last information.
- Each of the cross-sectional data described above is constituted by each feature point.
- the cross-sections A to K except the cross-section L indicating the shape of the fingertip are formed by 22 to 28 feature points. Therefore, a preferred embodiment of the present invention is footprint information composed of cross-sectional data of the cross-sections (A) to (K), and these cross-sectional data are composed of 20 to 30 data numbers. Is what is done.
- the measurement can be performed by using the three-dimensional shape measurement method that has been performed so far.
- Reference 1 irradiates a light beam to the foot and measures the shape of the foot.
- Reference 2 measures the shape of a foot using a laser.
- the measuring means shown in Documents 1 and 2 is used as a measuring means by an optical method.
- a CCD camera measures the position of the outline of a foot illuminated by a laser. If a black mark that does not reflect laser light is attached to the anatomical feature point, the mark at the position where the light should originally be reflected will be missing. That is, a hole occurs in the array of data to be continuous. The position of the mark is recognized from the disorder of the data sequence, and the position of the anatomical feature point can be determined. Then, based on these feature points, each section is defined as described above, and the section data is created.
- each section is obtained from the specified anatomical feature points.
- the reference point is set in the cross section, and the other parts are equally divided.
- the data of the part equally divided with the reference point specifies the shape of the foot, and is stored as the cross-sectional data.
- other data is deleted because it does not show any special feature even if it is a foot shape. As a result, the cross-section Evening is created.
- the cross-sectional data measured in this manner is composed of only necessary data, and thus efficiently represents the three-dimensional shape of the foot while having a small data amount.
- the positions of the anatomical feature points, sub-feature points, and split feature points on the surface of the foot are marked with an aqueous pen.
- the feet are put into a container filled with the molding material, and the holding is performed for a certain time to solidify the molding material. Pull out the foot after solidification and pour gypsum into this footprint.
- the mark on the surface of the foot with an aqueous pen is transferred to the molding material once, and then transferred to gypsum. Therefore, the surface of the plaster mold showing the shape of the foot is marked with the transferred aqueous pen. Then, from this mark, each cross-section is determined and the characteristic points constituting this cross-section are determined.
- the “footprint information” in the present invention has the “cross-section data” of the cross-sections (A) to (L) described above. Such a combination may be appropriately determined according to the purpose.
- One configuration example of the footprint information is a form having all the cross-sectional data from (A) to (L) described above. As a result, the shape of the entire measured foot can be specified in detail. Furthermore, if all the cross-sectional information is composed only of the above-mentioned feature points, the shape of the entire foot can be most efficiently expressed while the number of days is short.
- the footprint information may be configured by combining some cross-sectional data without having all the cross-sectional data.
- this “cross-sectional data” is useful as data indicating the three-dimensional shape of the foot at the cross-sectional position.
- this “footprint information” has a form that includes at least five or more cross-sectional data.
- the section may be a section from section B to section F.
- the footprint information may be configured by appropriately selecting the cross-sections A and C to F according to the purpose.
- the “foot shape information” includes the “surface shape data” of the foot in addition to the cross-sectional data described above, and the “surface shape data” is actually measured. It is desirable that the shape of the foot and the error range be within 1.0 mm.
- One embodiment of the present invention is a computer-readable storage medium storing the above-described “footprint information”. As a result, the use of this “footprint information” is promoted.
- the storage medium is a medium that can stably store a large amount of information 'data.
- the format and composition There is no particular limitation on the format and composition. Therefore, as a specific configuration of the storage medium, it can be implemented by a hard disk as an internal storage device of a computer, a data readable CD (compact disk), a DVD, or the like. Considering the ease of data input / output and handling of large amounts of data, a hard disk is suitable as this storage medium.
- the storage medium according to the present invention can be embodied in a configuration in which information is stored using an IC inside a computer regardless of the form. In addition, it is possible to implement it on a storage medium called a “memory-card” as it has excellent portability.
- this storage medium does not need to be traded alone such as CD, etc., and includes those arranged as a pathological device inside a computer.
- This storage medium does not necessarily need to be in the server machine, and may be arranged outside the server machine as long as it can transmit and receive to and from the server machine using a dedicated line or the like.
- the existence of the storage medium according to the present invention can be confirmed by the appearance of the footprint information read from the storage medium on the display means.
- Various embodiments can be considered for the “footprint information” described so far. For example, creating shoes based on footprint information or selecting the most appropriate shoes. In this case, if this information can be transmitted and received over the network, this information will be used quickly and widely, and the value of use as information will increase.
- the present invention is a network system including the user terminal 41 and the server machine 42, and the server machine 42 has been described above to the user terminal 41 via the network 43 (
- A) Means for distributing “footprint information” having the cross-sectional data of the cross-sections shown in A) to (L). Also in this embodiment, from the viewpoint of specifying the shape of the entire foot, it is desirable that the footprint information includes at least five or more cross-sectional data. .
- Fig. 4 shows the overall configuration of this system.
- the device 42 and the user terminal 41 that receives information are connected via the network 43.
- the “network 4 3” may be any device that can deliver data (information) from the server device 42 to the user terminal 41, and can be implemented in the form of a LAN, WAN, etc. in addition to a telephone line.
- this network 43 be an in-net network.
- the network 43 in the present invention is not limited to a mode using a wire, and a mode for transmitting and receiving information wirelessly is also one form of the network 43. .
- Fig.5 is a block diagram showing the configuration of the server machine 42.
- reference numeral 51 denotes a control means, which comprises a CPU, a memory, and the like, and performs control of each unit, distribution of data, various calculations, temporary storage of data, and the like.
- Reference numeral 52 denotes input means for controlling data input from the user terminal via the network 43.
- Reference numeral 53 denotes an output means for delivering footprint information and the like to the user terminal.
- this server has a function as a database server.
- Reference numerals 54 and 55 denote various storage means, which store the following programs and information, respectively.
- the storage means 54 stores, as a main program, a program for retrieving footprint information from the storage means 55, a program for distributing information to the user terminal, and the like.
- Footprint information is stored.
- the footprint information stored here does not need to have the same cross-sectional data, and may be configured to include the cross-sectional data for each footprint information.
- the embodiment can be implemented in a form in which foot size, foot width, gender, age, customer information, and the like are stored in association with the footprint information.
- User terminal 41 refers to a terminal used by the user to obtain information as described above, and a computer having a display screen, a control device, an input / output device (keyboard / mouse), and a communication device. It can be implemented in.
- the user terminal 41 can be a desktop type or a mopile type computer.
- the user terminal 41 receives the footprint information via the network 43.
- the footprint information can be received in a form in which the user terminal 41 requests specific footprint information to the server machine 2 or in a form in which the server machine 42 receives the footprint information arbitrarily selected. There may be.
- the user terminal 41 has an FFD analysis means.
- the FFD analysis means refers to a program or the like for performing analysis described in Japanese Patent Application Laid-Open No. 10-240964, "Method and Apparatus for Averagely Generating Multiple Three-Dimensional Forms", which is shown as (Reference 3).
- the footprint information is stored in the storage means of the user terminal 41.
- This footprint information includes any one of the cross-sectional data from (A) to (L) described above, and furthermore, this cross-sectional data includes 10 to 100 feature points or less. It has.
- the footprint information stored by the user terminal does not need to be continuously stored, and may include a form in which the footprint information measured by the user is temporarily stored. Further, from the viewpoint of analyzing the shape of the entire foot, it is desirable that the footprint information stored in the user terminal has at least five or more cross-sectional data.
- a person who wants to receive footprint information accesses the server machine 42 from the user terminal 41 via the network 43.
- the server machine 42 may request an ID number, a password, and the like, and the server machine 42 may be configured to permit access only to those for which the ID number and the password have been recognized.
- an instruction to obtain footprint information is sent from the user terminal 41 to the server machine 42.
- the server machine 42 reads the search program in the storage means 54 by the control means 51, searches for the footprint information from the storage means 55, and reads it out. Then, the distribution is performed from the control means 51 via the output means 53.
- the storage means 55 stores a plurality of “footprint information” and distributes appropriately selected information in response to a request from a user. For example, foot size, foot width, gender, age, etc. and footprint information are stored in association with each other, and in response to a request that "male wants information on foot size 27 cm", This is a form for distributing information.
- the configuration is such that “footprint information” and “foot size”, “gender”, “age”, “foot width”, and the like are stored in the storage unit 55 in association with each other. 5.4
- the program for retrieving and distributing “footprint information” as required by the user is stored.
- the server preferably stores two types of footprint information for men and women, and also stores footprint information for each foot size, and obtains footprint information for each size. From the viewpoint of responding to user needs, it is desirable that at least three or more pieces of footprint information be stored for each size.
- foot size and “gender” are stored in the storage means 55 in association with “footprint information”, and these “gender”
- the present invention can also be implemented in a form in which three or more pieces of “footprint information” are stored for each “age” and “foot width”.
- customer information information for identifying a customer such as a name and an ID number
- footprint information of the customer (user) are stored in the storage means 55 in association with each other.
- customer information information for identifying a customer such as a name and an ID number
- footprint information of the customer (user) are stored in the storage means 55 in association with each other.
- customer refers to a person who requests creation of shoes and selection of a shoe based on his / her footprint information.
- the customer requests the server machine 42 to transmit his / her footprint information to the user terminal 41.
- the server machine 42 retrieves the footprint information from the storage means 55 based on the customer information, and distributes the retrieved information to the user terminal 41.
- FFD analysis of footprint information can be performed.
- the user terminal has an FFD analysis program in its storage means, and a cross-sectional data that has 5 to 200 feature points in any of the cross-sections (A) to (L). Is stored.
- the program for FFD analysis is a program or the like described in the aforementioned reference (3).
- the footprint information transmitted by the server machine 42 to the user terminal 41 is a cross-section at the same position as the cross-section data included in the footprint information stored by the user terminal 41, and has the same definition. This includes the cross-sectional data having the following characteristic points.
- means for distributing the footprint information is the same as the configuration of the server machine 42 described above.
- the footprint information distributed from the server machine 42 to the user terminal 41 and the footprint information stored in the user terminal 41 have the same cross-section data as the cross-section data. Things. Further, both of these cross-sectional data are configured by the same characteristic point. Since the two pieces of footprint information have corresponding feature points, the user terminal 41 receiving the footprint information from the server machine 42 receives the feature information of the received footprint information and the stored footprint information. FFD analysis can be easily performed by associating points.
- these feature points are anatomical feature points or Is preferably composed of quasi-feature points and divided feature points. Also, when performing this FFD analysis, it is desirable that both types of footprint information to be compared include 5 or more cross-sectional data.
- This embodiment is a shoe selection system used by customers and selectrs.
- customer refers to a person who measures his or her footprint and selects the shoes that are most suitable for his or her feet.
- the “selector” refers to a person who compares the footprint information of the customer with the cross-sectional information of the shoe and selects the most appropriate shoes for the customer, such as a person in a job called “shuffler” in Japan.
- the optical footprint measuring device 67 includes all devices for measuring a footprint using an optical method, as described in the above-mentioned “Method of measuring foot shape”. Specific examples thereof include the devices shown in the above-mentioned (Literature 1) and (Literature 2).
- the reason for limiting the measurement to the optical method is to take into account the speed of the measurement.
- This invention for selecting shoes measures the feet of customers who visit the store and immediately selects the most suitable shoes. Therefore, the measurement needs to be performed quickly.
- the optical method allows rapid and continuous measurement of the shape of the foot. Therefore, in order to carry out the present invention, the present invention is limited to an apparatus using an optical method.
- the computer corresponds to a device for realizing the means for comparing the “ideal footprint information” and the means for selecting a shoe from the result of the comparison.
- Figure 6 shows the block diagram of the configuration of this computer.
- the computer has control means 61, input means 62, output means 63, storage means 64, 65, display screen 6 6 Then, the measurement data is sent from the optical footprint measuring device 67 to the convenience store.
- the optical footprint measuring device 6′7 and the combination can be implemented in a physically independent form. However, it is not always necessary to be independent, and an embodiment in which an integrated computer performs both functions is possible.
- the storage means 64 stores a program for creating footprint information, a search program for ideal footprint information, a program for comparing footprint information with ideal footprint information, and a shoe selection program.
- the program for creating the footprint information is based on the three-dimensional shape data of the foot sent from the optical footprint measuring device 67, and the cross-sectional data of an arbitrary position among the cross sections (A) to (L) is obtained. Create evening. If the comparison program described below performs FFD analysis, feature points having the same definition as the feature points included in the ideal footprint information are included in the created cross-sectional data.
- the storage means 65 stores various types of shoe newsletters and ideal footprint information of each shoe correspondingly.
- the foot size is stored in association with the ideal footprint information.
- the width of the foot is used as a guide, the width of the foot is stored in association with the ideal footprint information.
- the footprint information from the measuring device is sent to the control means 61 through the input means 62 and is temporarily stored. At that time, the size of the foot is sent and stored at the same time.
- the control means 61 retrieves the ideal footprint information of the shoes of the same size from the storage means 65 using the size of the foot as a clue and reads it out.
- the control means 61 compares the footprint information with the ideal footprint information of the shoe using the comparison program. The form of comparison will be described later.
- control means 61 searches the storage means 65 again, reads out the ideal footprint information of another shoe, and makes a comparison. v) Then, after performing some comparisons, the control means 61 identifies the ideal footprint information of the optimal shoes by the selection program, and selects the shoes based on the information.
- the shoe information about the selected shoes is displayed on the display screen 66 from the output means 63.
- the difference between the data of the footprint information and the shape information of the shoe may be quantified, and the numerical value may be used as a basis for objective selection.
- the distance between a point included in the measured footprint information and the point of the ideal footprint information corresponding to this point is determined, and the shoe with the smallest distance is selected. For example, a mode for selecting shoes that fall within the numerical value range (a mode for securing a certain clearance) is used. Further, as a means for digitizing, it is also possible to carry out using the FFD analysis described above.
- the present invention can also be implemented in the following embodiment in which footprint information having cross-sectional data at an arbitrary position among the cross-sections (A) to (L) described above is subjected to FFD analysis.
- the storage means 64 stores an FFD analysis program
- the storage means 65 stores a plurality of ideal footprint information, and several types of shoe type information for each ideal footprint information.
- shoe type information for each item refers to various types of lasts created from one piece of ideal footprint information. Specifically, each shoe manufacturer has its own ideal footprint information, and creates various lasts for pumps, soccer, jogging, etc. from this ideal footprint information. Therefore, lasts for various purposes created from one ideal footprint information are referred to as “shoe last information by category”.
- the last type information for each item and the ideal Since the footprint information and the customer's footprint information are subjected to FFD analysis, they must have the same cross-section data and data structure including the same feature points, respectively.
- the type-specific last information is set based on the ideal footprint information that differs for each shoe manufacturer. Therefore, when implementing the present invention, ideal footprint information (preferably three or more companies) for each shoe manufacturer and shoe type information based on each ideal footprint information (preferably five footprint information for one ideal footprint information) Is desirable.
- the customer's footprint information is measured by the optical footprint measuring device 67 and sent to the control means 61.
- control means 61 reads out one piece of ideal footprint information and the shoe last information of the pump as item-specific last information corresponding to the information.
- the control means 61 performs an FFD analysis, compares each characteristic point included in the ideal footprint information and the pump last information, and converts conditions (conversion conditions) for converting the ideal last information into pump last information. ).
- the customer's footprint information is converted into pamphlet footprint information.
- the converted footprint information is defined as optimum footprint information.
- A's existing pump lasts are compared with the customer's optimal footprint information converted for pumps, and the optimal pump is selected.
- the customer can select the optimal shoe by comparing the existing footprint with the optimal footprint information obtained by converting his / her own footprint information for each item.
- a foot shape can be efficiently specified with a small amount of information by defining measurement points of the foot shape based on anatomical feature points. As a result, the communication burden is reduced, the two-way communication of the shape of the foot is promoted, and it is useful for making shoes.
- Section B consists of section B a and section B b
- the cross section C includes the cross section C a and the cross section C b, respectively.
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Description
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Priority Applications (6)
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EP00976265A EP1345006A4 (en) | 2000-11-15 | 2000-11-15 | BASIC INFORMATION DISTRIBUTION SYSTEM AREA |
AU2001214128A AU2001214128A1 (en) | 2000-11-15 | 2000-11-15 | Footprint information distributing system |
PCT/JP2000/008056 WO2002040941A1 (fr) | 2000-11-15 | 2000-11-15 | Système de distribution d'informations d'empreintes de pied |
JP2002542824A JP4644862B2 (ja) | 2000-11-15 | 2000-11-15 | シューズ選定システム |
US10/416,723 US7236948B1 (en) | 2000-11-15 | 2000-11-15 | Foot shape information distributing network system |
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PCT/JP2000/008056 WO2002040941A1 (fr) | 2000-11-15 | 2000-11-15 | Système de distribution d'informations d'empreintes de pied |
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EP (1) | EP1345006A4 (ja) |
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AU (1) | AU2001214128A1 (ja) |
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JP2009125575A (ja) * | 2007-11-27 | 2009-06-11 | Nakamura Sangyo Gakuen | 足型計測における足型計測基準線の自動決定法 |
WO2014042094A1 (ja) * | 2012-09-11 | 2014-03-20 | 株式会社ドリーム・ジーピー | インソール設計システム |
JP2014084536A (ja) * | 2012-10-22 | 2014-05-12 | Fukuoka Institute Of Technology | オーダーメイドの装着物を生産する方法、支援システム、プログラム及び記録媒体 |
WO2015151685A1 (ja) * | 2014-03-31 | 2015-10-08 | 三菱重工業株式会社 | データ伝送システム、データ伝送装置、及びデータ伝送方法 |
JP2017189181A (ja) * | 2016-02-10 | 2017-10-19 | 株式会社Flickfit | 靴のフィッティング度合提示方法および靴のフィッティング度合提示装置 |
EP3964098A1 (en) * | 2020-09-04 | 2022-03-09 | ASICS Corporation | Data generating apparatus, shoe last producing system and data generating method |
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WO2022250075A1 (ja) * | 2021-05-28 | 2022-12-01 | 株式会社ワコール | 足形状計測システム及び足形状計測方法 |
JP7261342B1 (ja) | 2022-09-22 | 2023-04-19 | 三菱ケミカルグループ株式会社 | 情報処理装置、方法、プログラム、およびシステム |
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US9569746B2 (en) * | 2002-03-14 | 2017-02-14 | Nike, Inc. | Custom fit sale of footwear |
JP2004313443A (ja) * | 2003-04-16 | 2004-11-11 | Asics Corp | 靴形状選択方法、靴形状選択システムおよび靴先形状選択方法 |
JP2004348172A (ja) * | 2003-04-21 | 2004-12-09 | National Institute Of Advanced Industrial & Technology | 製品形状設計装置 |
DE102018103695B4 (de) * | 2018-02-20 | 2022-05-05 | Martin Bischoff | Verfahren zur Bestimmung von Fußkenndaten, Computerprogramm und Vorrichtung |
KR102060004B1 (ko) * | 2018-04-27 | 2019-12-27 | 주식회사 에이치비티 | 3d 스캔 데이터에 기초하는 신발 라스트 모델의 생성 방법 및 이를 위한 시스템 |
CN108524068A (zh) * | 2018-05-29 | 2018-09-14 | 湖南科技大学 | 一种小腿肌腱康复设备及操作方法 |
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JP7261342B1 (ja) | 2022-09-22 | 2023-04-19 | 三菱ケミカルグループ株式会社 | 情報処理装置、方法、プログラム、およびシステム |
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JP2024045823A (ja) * | 2022-09-22 | 2024-04-03 | 三菱ケミカルグループ株式会社 | 情報処理装置、方法、プログラム、およびシステム |
Also Published As
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KR100734727B1 (ko) | 2007-07-02 |
EP1345006A4 (en) | 2006-05-31 |
JP4644862B2 (ja) | 2011-03-09 |
US7236948B1 (en) | 2007-06-26 |
EP1345006A1 (en) | 2003-09-17 |
JPWO2002040941A1 (ja) | 2004-03-25 |
AU2001214128A1 (en) | 2002-05-27 |
KR20030064786A (ko) | 2003-08-02 |
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