WO2005006905A1 - 靴選択支援システムおよび靴選択支援方法 - Google Patents
靴選択支援システムおよび靴選択支援方法 Download PDFInfo
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- WO2005006905A1 WO2005006905A1 PCT/JP2004/009046 JP2004009046W WO2005006905A1 WO 2005006905 A1 WO2005006905 A1 WO 2005006905A1 JP 2004009046 W JP2004009046 W JP 2004009046W WO 2005006905 A1 WO2005006905 A1 WO 2005006905A1
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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
- A43D1/025—Foot-measuring devices comprising optical means, e.g. mirrors, photo-electric cells, for measuring or inspecting feet
Definitions
- the present invention relates to a shoe selection support system for selecting and presenting a shoe type suitable for a customer when the customer selects shoes, and in particular, estimating anatomical characteristics of the foot of the customer from the state of the foot.
- a shoe selection support system for selecting and presenting a shoe type suitable for a customer when the customer selects shoes, and in particular, estimating anatomical characteristics of the foot of the customer from the state of the foot.
- a system for example, a system is known in which a customer's footprint data is measured using a three-dimensional footprint measuring instrument, and a trial shoe model that matches or approximates this data is extracted (Japanese Patent Application Laid-Open No. H10-163873). 200-199-905).
- a foot printer or the like is positioned on the same slope as the angle of the shoes to be worn, and then the sole of the wearer's sole A method has been proposed in which the distribution of pressure and the shape of the arch are examined, and a sole plate is inserted in accordance with the result (see Japanese Patent Application Laid-Open No. 2000-127571 / 16).
- the present invention provides a shoe selection support system capable of measuring a foot condition and estimating an anatomical characteristic of the foot from the measurement result to select and present a shoe type suitable for a customer.
- the purpose is to do.
- a shoe selection support system includes a measurement data input unit for measuring and inputting data representing a state of a subject's foot, and a measurement data input unit.
- a normalization processing unit that normalizes the input data and stores the obtained normalized data at least temporarily; a shoe information storage unit that stores information on a plurality of types of shoes; Based on the anatomical characteristics of the subject's foot based on the anatomical characteristics and referring to the shoe information storage unit based on the anatomical characteristics, a shoe type suitable for the subject is selected.
- the method for supporting shoe selection includes the steps of: measuring data representing the condition of the foot of the subject; and normalizing the data representing the condition of the foot. And estimating at least one of a foot arch height ratio and a foot flexibility based on the normalized data as the anatomical characteristics of the subject's foot.
- a step of selecting and presenting a shoe type suitable for the subject by referring to the shoe information storage unit based on the anatomical characteristics of the foot.
- the computer program includes a step of inputting data representing a state of a foot of a subject, a step of normalizing a data representing a state of the foot, and a step of normalizing the data representing the state of the foot. Estimating at least one of a foot arch height factor and a foot softness as foot anatomical characteristics of the subject; and shoe information based on the estimated foot anatomical characteristics. And a step of selecting and presenting a shoe type suitable for the subject by referring to the storage unit.
- FIG. 1 is a block diagram showing a schematic configuration of a shoe selection support system according to a first embodiment of the present invention.
- FIG. 2 is a flowchart illustrating an example of a footprint normalization process in the shoe selection support system according to the first embodiment.
- FIG. 3 is an explanatory diagram of the footprint normalization process.
- Fig. 4 (a) is an example of a standard footprint
- Fig. 4 (b) is an example of a sensitivity map relating to arch height ratio
- Fig. 4 (c) is a photograph illustrating an example of a sensitivity map relating to arch hardness.
- FIG. 5 is a flowchart illustrating an example of a process performed by the selection unit in the shoe selection support system according to the first embodiment.
- FIG. 6 is an explanatory diagram of a method of calculating the arch height ratio.
- FIGS. 7 (a) to 7 (e) are explanatory diagrams showing an example of shoe types selected according to foot types.
- Figure 8 is an example of pressure distribution contours on the footprint.
- FIG. 9 (a) is an explanatory diagram of a foot with heel load eccentric inward
- FIG. 9 (b) is an explanatory diagram of a foot with heel load eccentric outward.
- FIGS. 10 (a) to (c) are explanatory diagrams showing an example of a shoe type selected according to a foot type.
- FIGS. 11A and 11B are explanatory diagrams showing an example of a shoe type selected according to a foot type.
- FIG. 12 is an explanatory diagram showing an example of a risk factor for excessive pronation.
- FIG. 13 is an explanatory diagram showing an example of a risk factor for impact exposure.
- FIGS. 14 (a) to 14 (c) are perspective views showing examples of corrugated pads used in a middling machine.
- FIG. 15 is a block diagram showing a schematic configuration of a shoe selection support system according to the second embodiment of the present invention.
- FIG. 16 is a diagram showing an example of a display mode of a standard footprint for each foot type in the shoe selection support system according to the third embodiment of the present invention.
- FIG. 17 is a block diagram showing a schematic configuration of a shoe selection support system according to the fourth embodiment of the present invention.
- Fig. 18 is a diagram showing how to extract features related to the arch height ratio from the footprint.
- Fig. 18 (a) shows the case of a low arch
- Fig. 18 (b) shows the case of a high arch.
- Figure 19 is a diagram showing how to extract features related to arch hardness from the footprint.
- Figure 19 (a) shows the case of a soft foot.
- Fig. 19 (b) shows the case of a hard foot.
- Fig. 20 is a diagram showing the method of estimating the arch height ratio from the footprint.
- Fig. 20 (a) is a mouth-to-arch
- Fig. 20 (b) is a standard arch
- Fig. 20 (c). ) Indicates the case of a high arch.
- FIG. 21 is a diagram showing a method of estimating arch hardness from a footprint, wherein FIG. 21 (a) shows a case of a soft foot, and FIG. 21 (b) shows a case of a hard foot.
- FIG. 22 is a block diagram showing a schematic configuration of a shoe selection support system according to the fifth embodiment of the present invention. '
- FIG. 23 is a diagram showing a state in which a standard footprint for each foot type is displayed on the screen in the shoe selection support system according to the third embodiment of the present invention.
- FIG. 24 is a diagram showing a state in which a standard footprint for each foot type is displayed on the screen in the shoe selection support system according to the third embodiment of the present invention.
- FIG. 25 is a diagram showing a state in which a standard footprint for each foot type is displayed on the screen in the shoe selection support system according to the third embodiment of the present invention.
- FIG. 26 is a diagram showing a state in which a standard footprint for each foot type is displayed on a screen in the shoe selection support system according to the third embodiment of the present invention.
- FIG. 27 is a block diagram showing a schematic configuration of a shoe selection support system according to the sixth embodiment of the present invention.
- FIGS. 28 (a) and 28 (b) are front views showing an example of a force and a sticking position when measuring the shape of the foot in the sixth embodiment.
- FIG. 28 (c) shows the foot length L measured in the sixth embodiment.
- FIG. 4 is an explanatory diagram of a measuring method.
- FIG. 29 is a flowchart showing the operation of the shoe selection support system according to the sixth embodiment.
- the measurement data input unit may measure at least one of an optical sensor and a pressure sensor to measure a ground contact state of the sole in the standing position of the subject. It is preferable to use this method. Alternatively, it is also preferable that the measurement data input section measures the three-dimensional shape of the subject's foot using an optical sensor as the condition of the subject's foot, and the above configuration is also preferable.
- the shoe selection support system according to the above further includes a standard data storage unit that stores standard data indicating a standard foot condition, wherein the selection unit performs a comparison based on a comparison between the normalized data and the standard data. It is preferable to estimate the anatomical characteristics of the subject's foot.
- the selection unit determines the eccentricity of the subject's heel toward or outside the heel load based on the normalized data. It is preferable to select a shoe type suitable for the subject in consideration of the eccentricity.
- the selection unit estimates both the foot arch height rate and the foot flexibility as foot anatomical characteristics, and the estimated foot arch height. Based on the combination of the rate and the degree of flexibility of the foot, the risk of the occurrence of a foot failure in the subject is determined, and the shoes It is preferable to select the type.
- the selection unit determines the overpronation level of the ankle joint of the subject based on the combination of the arch height ratio and the flexibility, and the higher the overpronation level, the higher the stability. It is useful to select a type of shoes.
- the selection unit determines the shock exposure level of the ankle of the subject based on the combination of the arch height ratio and the flexibility, and the higher the shock exposure level, the higher the cushioning type shoes. It is effective to select.
- the selection unit may estimate an anatomical characteristic of the subject's foot by multivariate analysis.
- a mode may be adopted in which the selection unit estimates the anatomical characteristics of the subject's foot using a dual network.
- the selection unit selects a shoe type suitable for the subject based on the performance of the shoe.
- the sole performance can be classified according to the material and / or shape of the parts built in or laminated to the shoe midsole.
- the parts can be classified according to the material and z or shape of the parts constituting the shoes midsole. It is preferable that the parts are corrugated.
- the selection unit may select a shoe type suitable for the subject including selection of an insole suitable for the subject. good.
- the selection of the insole may be individually performed for each of the left and right feet of the subject.
- An embodiment further including a storage unit may be adopted.
- the subject-related data input from the characteristic input unit includes: a measured value of foot length; a measured value of scaphoid roughness; Arch height, measured maximum supination angle, measured maximum pronation angle, flexibility of foot, range of ankle movement, Q-angle, and valgus angle of thumb or toe It is preferable to include both of them.
- the standard data for each foot type stored in the standard data storage unit is set in a state that can be compared with the normalized data obtained by the normalization processing unit. It is also preferable that a standard data presentation unit for displaying or printing out is further provided.
- the normalized data obtained by the normalization processing unit is displayed as an image, and coordinates of a point designated by an operator on the displayed normalized data image.
- a display input unit for inputting an operation instruction, based on coordinates of a point designated on the normalized data image using the display input unit.
- a feature extraction unit that obtains a feature value for estimating an anatomical characteristic of the subject's foot, wherein the selection unit determines the feature value obtained by the feature extraction unit from the normalized data. It is also preferable that the anatomical characteristic of the subject's foot is estimated based on the above.
- the measurement data input unit, the normalization processing unit At least any two of the selection units may be connected via the Internet.
- the selection unit is suitable for the subject. Along with the shoe type, it is also preferable to provide information on the shoe and information on the anatomical characteristics of the foot of the subject.
- FIG. 1 is a block diagram showing a schematic configuration of a shoe selection support system according to the present embodiment.
- the shoe selection support system according to the present embodiment is installed in a shoe specialty store, a shoe store, or the like, and includes a measurement data input unit 1, a normalization processing unit 2, a selection unit 3, a foot print database 4, It has a display 5, a shoe catalog database (shoe information storage unit) 6, and an input device 7.
- the footprint database 4 includes a normalized data storage unit 4a, a general data storage unit 4b, and a standard footprint storage unit 4c.
- the measurement data input unit 1 is used when the customer (subject) stands still. Measure and input data representing the contact state of the sole.
- the measurement data input unit 1 includes, for example, an optical sensor on the back side of a footrest made of a transparent plate, and stands a customer on the footrest and scans the sole with the optical sensor. It may be configured to optically measure the ground contact on the back. Alternatively, a configuration in which a CCD camera or digital camera is placed on the back side of the footrest to capture the grounding state of the sole is also possible. Alternatively, a footrest in which a pressure sensor is embedded on one side is provided, and a ground contact state of the sole is measured by detecting a pressure distribution by the pressure sensor in a state where a customer stands on the footrest.
- the pressure sensor may be either a resistance change type sensor or a capacitance change type sensor. Further, a configuration in which the ground contact state of the sole is measured by both the optical sensor and the pressure sensor may be adopted.
- the measurement results obtained by the optical sensor and / or the pressure sensor as described above are sent to the normalization processing unit 2 as data (footprint data) representing the contact state of the sole two-dimensionally (video).
- footprint data representing the contact state of the sole two-dimensionally (video).
- the distribution of luminance data forms footprint data.
- the footprint data is composed of the pressure distribution.
- the measurement of the sole contact state by the measurement data input unit 1 may be performed on only one of the left and right feet, may be performed on both feet one by one, or may be performed simultaneously on both feet. Is also good. It is preferable to measure the sole contact state by the measurement data input unit 1 with bare feet from the viewpoint of accuracy, but it is also possible to perform measurement while wearing socks.
- the normalization processing unit 2 normalizes the data input from the measurement data input unit 1, and stores the obtained normalized data at least temporarily.
- FIG. 2 is a flowchart illustrating an example of the normalization processing by the normalization processing unit 2.
- the normalization processing unit 2 first reads the footprint data from the measurement data input unit 1 (step S1), and binarizes the footprint data with a predetermined threshold (step S1). 2) As the threshold value in step S2, a predetermined value set in advance may be used, or a value adjusted according to measurement conditions may be used. For example, when measuring the sole contact state with an optical sensor, it is conceivable to adjust the threshold value according to the color of the sock of the customer. Where the step S1, a predetermined value set in advance may be used, or a value adjusted according to measurement conditions may be used. For example, when measuring the sole contact state with an optical sensor, it is conceivable to adjust the threshold value according to the color of the sock of the customer.
- the normalization processing unit 2 obtains the inside tangent L m and the outside tangent L ⁇ of the foot (step S 3), and further, the inside tangent L m and the outside tangent L m. the angle between the seek bisected to that center line L e (step S 4). Then, determine each a tangent L h tangent L t and the heel side of the vertical toe side to the center line L c (Sutetsu flop S 5, S 6). Then, determine the intersection P t of the center line L c and tangent L t, and the intersection point P h of the centered line L c and tangent L h respectively (step S 7, S 8). In addition, the midpoint P. between the intersection P t and the intersection P h (Step S 9). After the above processing is completed, the binarized footprint is restored to the original footprint (step S10).
- the normalization processing unit 2 calculates the midpoint P.
- the restoration footprint is translated so that the position of the footprint is approximately the center of the sole (step S11).
- the normalization processing unit 2 further sets the center point P so that c is a vertical line.
- the footprint is rotated and moved with the as the origin (center) (step S12).
- the normalization processing unit 2 calculates the midpoint P. While fixing the, stretch to 2 5 0 / L times the footprint in the foot length direction (L c direction) (Step S 1 3).
- L is the foot length (mm).
- the value of the foot length L may be measured by an optical sensor or a pressure sensor in the measurement data input unit 1, or may be input from the input device 7 by a customer, a store clerk, or a Twitter.
- the normalization processing unit 2 further adds a midpoint P.
- normalized footprint data '(normalized data) is obtained.
- the obtained normalized footprint data is sent from the normalization processing unit 2 to the footprint database 4 and stored in the normalized data storage unit 4a (step S15).
- various data relating to the customer for example, customer name, address, telephone number, e-mail address, purchasing history, shoes (Preference, history of foot failure, etc.), and these data may be stored in the general data storage unit 4b of the footprint data base 4 in a state where the data are associated with the normalized footprint data. .
- the function of the selection unit 3 will be described with reference to FIGS.
- the selection unit 3 inputs the footprint of the customer normalized by the normalization processing unit 2 and compares it with the standard footprint stored in the standard footprint storage unit 4c of the footprint database 4. Estimate the anatomical characteristics of the customer's foot. Select and present the appropriate shoe type for the customer.
- Fig. 4 (a) shows an example of a standard footprint.
- the standard footprint it is preferable to use (but is not limited to) an average footprint statistically obtained from an appropriately selected population.
- the footprint database 4 is used.
- the standard footprint is stored in advance in the standard footprint storage unit 4c.
- the standard footprint is, for example, for each population having a specific property such as gender, age, race, sports category, etc.
- the plurality of types of footprints obtained in step (1) may be stored in the standard footprint storage unit 4C in advance, and the standard footprint according to the customer may be used.
- FIG. 5 is a flowchart illustrating an example of a process performed by the selection unit 3.
- the selection unit 3 Upon input of the normalized customer's footprint from the normalization processing unit 2 (step S21), the selection unit 3 extracts the standard footprint from the standard footprint storage unit 4c (step S22). ), And calculate the difference in luminance at each pixel between the normalized footprint and the standard footprint (step S23).
- a sensitivity map is generated (step S24), and the arch height ratio is estimated (calculated) based on the generated sensitivity map (step S25).
- the sensitivity map related to the arch height ratio is, for example, a map as shown in Fig. 4 (b), and the tendency of the relationship between the image brightness of the footprint obtained from the population and the arch height ratio is statistically analyzed. It is generated by calculating the weight based on the tendency or the weight for each region obtained in the learning process of the neural network for each region of the foot.
- the arch height factor is originally determined by actually measuring the foot length L and the scaphoid rough surface height H and calculating the ratio (HZL), as shown in FIG.
- the selection unit 3 of the present embodiment uses the image brightness of the footprint obtained from the sensitivity map regarding the arch height ratio and the standard value without using the actually measured values of the foot length L and the scaphoid rough surface height H.
- the difference between the image brightness of the footprint and the pixel is calculated in pixel units, and the difference is summed over the entire area of the sensitivity map for the arch height ratio, thereby estimating the value of the arch height ratio.
- the selection unit 3 determines whether the customer's foot belongs to the “high arch”, “standard arch”, or “low arch (flat foot)” classification based on the arch height ratio estimated in step S25 (step S26). If the value of the arch height rate estimated in step S25 is, for example, 22% or more for males and 20% or more for females, it is determined to be “high reach”. If the value of the arch height rate estimated in step S25 is, for example, 15% or less for men and 13% or less for women, it is determined as "low arch”. If the arch height ratio is out of these ranges, it is judged as “standard arch”. Note that the classification threshold for the arch height ratio shown here is only an example. It does not limit the light.
- the selection unit 3 generates a sensitivity map related to the hardness of the arch (flexibility of the foot) from the luminance difference obtained in step S23 (step S27), and generates the generated sensitivity map.
- the arch hardness is estimated (calculated) based on (Step S28).
- the sensitivity map for arch hardness is, for example, a map as shown in Fig. 4 (c), and statistically analyzes the tendency of the relationship between the image brightness of footprints obtained from the population and the arch hardness. It is generated by calculating the weight based on the tendency, or the weight of each region obtained in the learning process of the neural network in the unit of the foot region.
- Arch hardness is originally quantitatively determined by dividing the change in the height of the scaphoid rough surface between the weighted state and the non-weighted state by the foot length.
- the selection unit 3 of the embodiment does not rely on the actual foot findings as described above, but instead of the image brightness of the footprint and the image brightness of the standard footprint obtained from the sensitivity map relating to the stiffness. The difference is obtained in pixel units, and the value of the arch hardness is estimated by summing the differences over the entire area of the sensitivity map regarding the arch hardness.
- the selecting unit 3 determines, based on the value of the arch hardness estimated in step S28, whether the customer's foot belongs to any of the classifications “hard”, “standard”, and “soft” (step S28). 2 9).
- the selecting unit 3 determines the anatomical characteristics of the customer's foot as “high arch”, “standard arch”, and “low arch (flat foot)” for “arch high rate”.
- the method of classifying the anatomical characteristics of the foot in the present invention is not limited to this specific example, but may be classified into any characteristic that can be estimated based on the contact state of the sole. It is possible. Also, for example, only the steps S21 to 26 may be performed to perform only the classification of the arch height ratio, or after performing the steps S21 to 23, the steps S24 to S23 may be performed. By performing steps S25 to S29 without performing step 26, only the classification of arch hardness may be performed.
- the selection unit 3 determines a shoe suitable for the customer from the shoe power evening log database 6.
- the type is selected (step S30), and the selected result is displayed on the display 5 (step S31).
- the shoe type selected by the selection unit 3 may be limited to only one type that is estimated to be most suitable for the customer, or a plurality of types may be selected and displayed.
- the shoe catalog database 6 stores information on suitable shoe types for each of the foot types classified in the selection unit 3 in advance.
- the selection unit 3 classifies the anatomical characteristics of the customer's foot into a total of nine types based on the combination of the arch height ratio (three types) and the arch height (three types) as described above.
- the shoe catalog database 6 previously stores at least information on shoe types suitable for each of these nine evenings (hereinafter referred to as shoe type information).
- the shoe type information stored in the shoe catalog database 6 may include additional information about the shoe in addition to the product number, model number, or product name of the shoe.
- Additional information about the shoe may include, for example, text, audio, etc., such as functional characteristics, benefits, and prices of the shoe, information about the competition and level of competition in which the shoe is used, and information about where the shoe is used. Any data format such as data, still images, and moving images can be considered. By displaying these additional information on the display 5 when presenting the selected shoe type to the customer, customer service can be further improved.
- the shoe type information is not limited to information for specifying a shoe itself as a product, but may be information indicating a shoe tree number or a type of shoe parts.
- “Shoe parts” includes, for example, outer soles, insoles, mitsole, uppers, and various cushioning materials.
- the shoe manufacturer has several types of shoe bodies designed for each type according to one type or a rough classification of foot types, and optional parts to be incorporated into the shoe body according to the detailed classification of foot types (for example, If the insole is provided, a combination of the shoe body and the optional parts may be selected using the shoe selection support system according to the present embodiment.
- the shoe body has a particularly high cushioning property for people whose arch hardness is “hard”, and has a cushioning property that is standard for people whose hardness is "standard” or “soft”. It is also possible to consider a method of selecting such a method that prepares the two types, and adjusts the suitability to the arch height ratio by changing the shape and thickness of parts such as the insole and the midsole.
- the selection unit 3 stores, for example, a shoe (or a combination of a shoe body and an optional pad) in which the portion shown in black in FIG. From the list.
- the inside of the shoe is shaped to hold the inside vertical arch of the foot in its mouth-arch shape.
- Shoes are preferred.
- the selection unit 3 converts, for example, a shoe (or a combination of a shoe body and optional parts) in which the portion shown in black in FIG. Be Source 6
- the blackened area in Fig. 7 (b) is the outer vertical arch
- the shoe is shaped to hold the part
- the black shaded area in Fig. 7 (c) is shaped so that the load can easily move inward after the heel touches, or Fig. 7 (b).
- a shoe having a configuration that combines FIG. 7 (c) is selected as a selection candidate from the shoe catalog database 6. Note that the selection candidate is not limited to the shoe itself, but includes the shoe body and the optional parts. It goes without saying that a combination may be used.
- a shoe having a configuration obtained by combining FIG. 7 (d) and FIG. 7 (e) is selected as a selection candidate from the shoe catalog database 6. It should be noted that the selection candidate is not limited to the shoe itself, but may be a combination of the shoe body and optional parts.
- the selection unit 3 may select the shoe type in consideration of not only the arch height ratio and the arch height but also other anatomical characteristics.
- Other anatomical characteristics include, for example, the tendency of the heel load to eccentric inward or outward. Whether the eccentric tendency of the heel load is inside or outside is determined in the selection unit 3 by the normalized function. This can be done by generating pressure distribution contours as shown in Fig. 8 from the print and determining whether the contours are denser inside or outside the heel.
- the heel load tends to be eccentric toward the inside, it is presumed that the heel part is everted (falls inward) as shown in Fig. 9 (a).
- Such a foot tends to apply a load to the inside of the sole, so the inside of the shoe sole tends to decrease and the upper tends to lean inward.
- shoes having a function of facilitating the transfer of an inwardly biased load to the outside after the heel contact is preferable.
- the selection unit 3 selects the shoes that are blackened in Fig. 10 (a) and are thicker than the standard among the candidates selected according to the arch height ratio and the arch height. And from the shoe catalog database 6.
- the blacked-out part in Fig. 10 (b) holds the shoes formed thicker than the standard, and holds the entire inner vertical arch part to prevent it from falling inward. For this reason, it is also effective to use a shoe in Fig. 10 (c) in which the black portion is thicker than the standard.
- a shoe made of two of FIGS. 10 (a) to (c) or a combination of all of them is also effective. It should be noted that the selection candidate is not limited to the shoe itself, but may be a combination of the shoe body and optional parts.
- Shoes are selected from the shoe catalog database 6.
- a shoe that holds the entire outer vertical arch because the black portion in Fig. 11 (b) is thicker than the standard is also effective.
- shoes consisting of the combination of Figs. 11 (a) and (b) are also effective.
- the selection candidate is not limited to the shoe itself, but may be a combination of the shoe body and optional parts.
- the method of selecting a shoe type in the present invention is not limited to the specific examples described above. For example, as described below, based on a combination of an arch high rate and an arch hardness, a method of determining a risk of failure of the customer's foot and selecting a shoe type according to the determined risk of failure may be used. Conceivable.
- the overpronation risk factor shown in Fig. 12 is 11 points if the arch height ratio is "high arch”, 0 points if "standard arch”, and 1 point if "low arch”. If the arch hardness is "hard”-1 point, if it is “standard”, 0 point, if it is "soft", 1 point Are obtained by adding the scores of Then, the selecting unit 3 selects shoes (or optional parts, etc.) having higher stability from the shoe catalog database 6 as the value of the risk factor of excessive pronation is larger.
- an impact exposure risk factor as shown in FIG. 13 may be used.
- the impact exposure risk factors shown in Fig. 13 are 1 point if the high arch rate is "high arch”, 0 points if "standard arch”, and 1 point if "low arch”. If the arch hardness is “hard”, it is 1 point, if it is “standard”, it is 0 point, and if it is “soft”, it is 1 point, and it is obtained by adding these points in each combination. Then, the selection unit 3 selects, from the shoe catalog database 6, shoes with higher cushioning properties (or optional pads) as the value of the risk factor for excessive pronation increases.
- the classification of the shoe types in the shoe catalog database 6 be performed mainly by sole performance.
- the material and Z or shape of the parts that make up the midsole of the shoe or the parts that are built in or laminated to the midsole the desired sole performance can be obtained. I know.
- corrugated parts as shown in Figs. 14 (a) to (c) as the mitsole itself or as parts built in or laminated to the mitsole, A shoe with high performance can be provided.
- the corrugated parts shown in Fig. 14 (a) to (c) differ from each other in material, mass, number of waves, wave height and amplitude, inner and outer wave intervals, etc. ing.
- the parts shown in Fig. 14 (a) to (c) are for the left foot, and the left side in the figure is the heel side.
- the parts shown in Fig. 14 (a) have the highest cushioning properties, and the parts shown in Fig. 14 (c) have the highest stability.
- the parts shown in Figure 14 (a) have waves formed at approximately equal intervals and are suitable for "high arch” and "hard” feet.
- the part shown in Fig. 14 (b) is formed so that the amplitude of the waves is slightly larger on the inside than on the outside, and the interval between the waves is larger on the inside than the outside of the foot. Suitable for feet with "standard” hardness.
- Figure 1
- the part shown in Fig. 4 (c) has the same wave amplitude as the part in Fig. 14 (b), and the back side of the plate (first plate) visible on the surface in Fig. 14 (c) is A second plate having a width less than the full width of the foot is provided. As can be seen from Fig. 14 (c), the second plate is located along the inner edge of the first plate, so that the first plate and the second plate are superimposed. In part 14 (c), the thickness of the arch part of the foot is thicker than the outside. Therefore, the parts in Fig. 14 (c) are suitable for "low arch” and "soft" feet. In addition, the parts shown in Figs. 14 (a) and (b) are provided with rising portions on both sides of the heel to prevent heel varus or valgus.
- the normalization processing unit 2 normalizes the footprint, and the selection unit 3 estimates the anatomical characteristics of the foot based on the normalized footprint. This allows for more accurate determination of the anatomical characteristics of the customer's foot.
- the procedure is shown in the flowchart of FIG. 2 as an example of the normalization processing.
- the normalization processing in the present invention is not limited to the specific example of FIG.
- “normalization” refers to processing a footprint measured by the measurement data input unit to such an extent that it can be compared with a standard footprint or that an anatomical characteristic of a foot can be estimated. Any processing can be performed.
- the configuration in which the selection result by the selection unit 3 is displayed on the display is exemplified, but the output of the selection result may be a printout. The same applies to each embodiment described later.
- the selection unit 3 performs the estimation of the foot type by multivariate analysis or bi-eural network.
- the input to the multivariate analysis is a luminance matrix or pressure matrix.
- the output is the arch height and arch stiffness or, in addition, the heel load eccentricity.
- the purpose is to perform highly accurate discrimination with a small number of inputs, so that the number of input terms may be small as in the above case.
- a shoe selection support system according to the second embodiment of the present invention will be described below.
- the shoe selection support system according to the present embodiment includes a standard data generation unit 8 in addition to the configuration of the shoe selection support system according to the first embodiment.
- a statistically obtained standard footprint is stored in a footprint database.
- the standard data generation unit 8 derives a standard footprint for each foot type from the normalized footprint generated by the normalization processing unit 2 and stored in the normalized data storage unit 4a. To generate a print.
- a clerk or a scho-fitter every time a shoe is selected for a customer, a clerk or a scho-fitter actually calculates the foot length L and the scaphoid roughness H of the customer. Measure and input from input device 7 (characteristic input section).
- the input device 7 sends the input measurement result (or the HZL value calculated from the measurement result) to the foot print database 4 and associates it with the customer's normalized foot print data, It is stored in the general data storage unit 4b.
- the clerk or Yuichi Yuichi also uses the input device 7 to input his findings on the flexibility of the customer's feet. This finding is also stored in the general data storage unit 4b in a state where it is associated with the normalized footprint data. That is, in the footprint database 4 of the present embodiment, information indicating the actual foot type (anatomical characteristics) of the customer is stored together with the normalized footprint data.
- the foot type data input from the input device 7 the actual measured value of the foot length, the actual measured value of the scaphoid rough surface height, the arch height factor, the actual measured value of the maximum supination angle, and the actual measurement of the maximum pronation angle Value, flexibility of the foot, range of motion of the ankle joint, Q-angle value, and at least one of the valgus angles of the thumb or toe.
- general data about the customer include height, weight, body fat percentage, gender, daily exercise, disease information, age nationality, and blood biochemical information. Etc. and enter the normalized footprint
- the data may be stored in the general data storage unit 4b of the foot print database 4 together with the data storage. This makes it possible to perform statistics and classification of footprints based on any of these general data items.
- the standard data generator 8 accesses the footprint database 4 at predetermined time intervals or in accordance with an external command, and stores the normalized footprint stored in the normalized data storage 4a. Extract the data.
- the standard data generation unit 8 classifies the extracted normalized footprint data according to the actual foot type, and statistically processes the stored normalized footprint data for each foot type. Generate standard footprints for each foot type.
- the standard data generation unit 8 stores the standard footprint generated for each foot type in the area (not shown) provided for each foot type in the standard footprint storage unit 4c as described above.
- the standardized footprint based on the normalized footprint is generated by statistically processing the accumulated and stored normalized footprint for each actual foot type to generate a standard footprint for each foot type. It is possible to improve the estimation accuracy.
- footprints by foot type may be further classified to generate standard footprints by gender, age, person type, sports type, and the like.
- the selecting unit 3 sets the normalized footprint and the standard An example of a configuration in which a customer's foot type is automatically determined by comparison with a quasi-footprint is shown.
- the configuration of the shoe selection support system according to the present embodiment is almost the same as that of the shoe selection support system of the first embodiment shown in FIG. 1, but the function of the selection unit 3 is different. That is, the selection unit 3 in the present embodiment displays on the display 5 (standard data presentation unit) a comparison between the footprint (normalized footprint) of the customer and the standard footprint of each foot type. . Then, the store clerk, the shop assistant, or the customer himself / herself selects and inputs the foot type of the customer from the input device 7, and the selection unit 3 selects shoes that match the input foot type. select.
- Fig. 16 shows an example of the display style of the standard footprint for each foot type.
- the foot types are classified into a total of nine types, three levels for the arch height ratio (LOW, MED IUM, HI GH) and three levels for the arch hardness (S0FT, MED IUM, HARD). It shows a print.
- the classification method of the foot type and the name of the foot type are not limited to these specific examples, and may be determined according to the types of shoes and option parts provided by the shoe manufacturer. For example, it is a matter of course that a total of 15 classifications of three stages for the arch height ratio and five stages for the arch hardness may be used.
- the display style of the customer's footprint (normalized footprint) and these standard footprints can be any mode as long as these footprints can be compared.
- the screen of the display 5 may be divided and the normalized footprint and the standard footprints of all foot types may be displayed side by side.
- a standard footprint may be placed next to or overlapping the normalized footprint. May be displayed one by one.
- the normalized footprint and the standard footprint are not displayed on the display but are printed out in a comparable state, which also belongs to the technical scope of the present invention.
- the footprint (normalized footprint) of the customer and the standard footprint are displayed or printed in a comparable state so that the foot type of the customer can be obtained. To let you choose.
- the footprint of the customer is normalized, it is easy to compare with the standard footprint, so that there is an advantage that the foot type of the customer can be determined more accurately.
- a shoe selection support system according to the fourth embodiment of the present invention will be described below.
- FIG. 17 is a block diagram showing a schematic configuration of the shoe selection support system according to the present embodiment.
- the shoe selection support system of the present embodiment has a configuration in which a feature extraction unit 9 is added to the configuration of the shoe selection system according to the first embodiment shown in FIG.
- the normalized data obtained by the normalization processing unit 2 is displayed as an image on the display 5, and on this normalized data image, a store clerk or a customer or one of the customers The operator (operator) performs an input operation to obtain the characteristic values necessary for estimating the foot type.
- the display 5 is constituted by a display (display input unit) corresponding to a GUI (Graphical User Interface), and is displayed on the screen. Enter any point on input device 7 (point It is configured so that the coordinates of the point can be specified by specifying it with a pointing device. Further, in accordance with the operation of the input device 7, in addition to the designation of the coordinates, an operation instruction such as drawing a straight line on the screen is also possible.
- the feature extracting unit 9 obtains a feature value for estimating the foot type of the customer based on the coordinates of a point specified on the screen using the input device 7.
- the obtained characteristic values are sent to the selection unit 3, which estimates the foot type of the customer based on the characteristic values and selects appropriate shoes.
- the contact state of the sole of the customer is measured by the measurement data input unit 1, and the result is normalized by the normalization processing unit 2. Generates a modified footprint.
- the generated normalized footprint is stored in the normalized data storage unit 4a and displayed on the display 5 as a footprint image.
- the store clerk, shop assistant, or customer draws a tangent to the inside and outside of the normalized footprint displayed on the display 5 using the input device 7.
- Examples of the state where this tangent is drawn are shown in Fig. 18 (a) and (b).
- the foot type in Fig. 18 (a) is a mouth arch
- the foot type in Fig. 18 (b) is a high arch.
- the high arch foot in Fig. 18 (b) shows the distance d between the tangent near the midfoot and the inside contour of the footprint. 8 is larger than the distance d 2 in the mouth one arch of the foot of (a) I understand.
- the same can be said for the distance between the inner tangent and the outer contour of the footprint. That is, if this distance is obtained as the above “feature value”, the arch height ratio can be estimated based on this feature value.
- the operator specifies the point having the longest distance from the tangent line near the middle foot of the normalized footprint with the input device 7 inside and outside.
- the feature extraction unit 9 obtains the coordinates of those points from the input device 7 and calculates the distance to each of the inner and outer tangents.
- the feature extraction unit 9 further calculates the sum of the calculated distances, and passes the result to the selection unit 3 as a feature value.
- the selecting unit 3 selects “high arch” if the feature value sent from the feature extracting unit 9 is larger than the width of the toe of the footprint, and “low arch” if the feature value is smaller than half the width of the toe. Otherwise, it is determined to be a “standard arch”.
- Fig. 19 (a) shows an example of a foot print of a soft foot
- Fig. 19 (b) shows an example of a foot print of a hard foot.
- the area in contact with the measurement surface is In the case of a stiff foot, this area is divided into two in the anterior-posterior direction of the foot, while the area is completely continuous in the anterior-posterior direction of the foot. Therefore, the feature extraction unit 9 passes information indicating the continuity of the outer periphery of the area specified by the input device 7 to the selection unit 3 as a feature value.
- the selecting unit 3 indicates that the feature value sent from the feature extracting unit 9 indicates “continuous”, “soft feet”, and the feature value indicates “completely separated”. If it is, it is presumed that it is “hard foot”, and if it is other ("touching"), it is "standard”.
- the selection unit 3 may estimate the arch height ratio by the following method. As shown in FIGS. 20 (a) to (c), the selection unit 3 generates a line 22 connecting the outer edge of the tread portion and the outer edge of the heel of the footprint of the customer and displays the line 22 on the display 5. Then, the arch height ratio is estimated based on the position of the outer edge 21 of the foot print with respect to the line 22. Note that the line 22 and the outer edge 21 of the footprint may be automatically recognized by the selection unit 3 based on the luminance data, or may be input by the operator via the input device 7 on the display 5. As shown in Fig.
- the outer edge 21 of the footprint is substantially parallel to the line 22 (or the outer edge 21 of the footprint projects outside the line 22).
- the selection unit 3 estimates that the customer's foot is a “low arch”.
- the selection unit 3 will The feet are assumed to be “standard arches”.
- the selection unit 3 will The feet are assumed to be “high arches”.
- the above-mentioned “width of the little finger”, which is used as a criterion by the selecting unit 3, may be measured by an operator (a clerk or the like) and input by the input device 7.
- the selection unit 3 may estimate the arch hardness by the following method. That is, as shown in Fig. 21 (a) and (b) As described above, in the footprint displayed on the display 5, the selection unit 3 determines whether or not there is a region 31 in close contact with the glass surface in all of the toes based on the luminance data. If the area 31 exists in all of the toes as shown in a), the foot is “soft”. The toes (the second to fifth toes) are floating without touching the ground as shown in Fig. 21 (b). If there is no region 31), it may be assumed that the foot is “hard”.
- the selection unit 3 estimates the foot type of the customer according to the feature value extracted by the feature extraction unit 9 based on the coordinates and the like designated by the operator using the input device 7.
- the method of selecting a shoe that matches the estimated foot type is as described in the first embodiment, and a duplicate description will be omitted.
- the characteristic value may be extracted by using the sensitivity map relating to the arch height ratio and the sensitivity map relating to the arch hardness, respectively.
- a shoe selection support system according to a fifth embodiment of the present invention will be described below.
- the shoe selection support system provides a shoe selection support service to a customer at a remote location.
- the shoe selection support system includes a measurement data input unit 1 for measuring a foot contact state of a customer, and a display 5 for displaying a shoe selection result. 1 Via 0, normalization processing section 2, selection section 3, footprint data overnight base 4, shoe kataguchi This is a configuration connected to the logging database 6 and the input device 7.
- the measurement data input unit 1 and the display 5 may be integrated as hardware, or may be realized as separate hardware.
- each section of the shoe selection support system is as follows.
- the measured footprint data is transmitted from the measurement data input section 1 to the normalization processing section 2 via the internet 10 and the shoe selection result is obtained. Is transmitted from the selection unit 3 to the display 5 via the Internet 10, and thus the description is omitted.
- the measurement data input unit 1 and the display 5 are provided on the customer system side, but the normalization processing unit 2 may be provided on the customer system side.
- the measurement data input unit 1 does not necessarily have to be in an offline state, and the data measured by the measurement data input unit 1 does not need to be transmitted in real time.
- the customer records the footprint data measured using the measurement data input unit 1 on an electronic recording medium (CD-ROM, hard disk, DVD, etc.)
- the home computer Alternatively, the footprint data recorded on the electronic recording medium may be transmitted from the portable terminal via the Internet 10.
- the referral information of a retail store or the like where such shoes and parts can be obtained should also be presented. Is preferred.
- one set of the measurement data input unit 1 and the display 5 are connected via the network 10.
- the configuration is not limited to this, and a configuration is adopted in which the measurement data input unit 1 and the display 5 of a plurality of sets share the normalization processing unit 2, the selection unit 3, the footprint database 4, the shoe catalog database 6, and the like. It is also possible.
- a distributor having a plurality of branches in various places can install the footprint database 4 or the like only in any one of the stores or the headquarters and share the footprint database 4 from the plurality of branches.
- the shoe selection support system according to the present embodiment, it is possible to select and recommend shoes according to the anatomical characteristics of the foot even to a customer in a remote place. Is improved.
- the embodiments described above do not limit the technical scope of the present invention, and various changes can be made within the scope of the invention.
- the number of classifications of the foot type is not limited to the specific example described above. In consideration of the risk of failure, it is generally considered preferable to classify into 3 to 7 groups.However, the appropriate number of classifications depends on the number of types of shoes provided by the shoe manufacturer and the application of the shoes. Should be set to.
- the analysis result of the foot type of the customer may include, for example, footprint images, foot length, foot circumference, foot characteristics, past injury experiences, and walking habits. It is also effective to simultaneously present precautions for the foot type.
- the choice of shoe type may be made separately for the left and right. In particular, for parts (optional parts) such as insoles, it is preferable to estimate the foot type for each of the left and right feet and select a suitable one.
- a display example of the standard footprint is shown in FIG. 16, but in addition to this, the standard footprint is displayed in a form as shown in FIGS. 23 to 26, for example. It is also preferable to display it.
- Figure 23 shows an example in which the foot types are classified into four types, and a typical footprint of each foot type is displayed on the display 5 in a state before normalization (the image as measured).
- 4 is a photograph showing an embodiment.
- Figure 24 shows an example in which the foot types are classified into nine types. Standard footprints of each foot type are displayed on the display 5 with vertical and horizontal scales (grids) attached.
- grids vertical and horizontal scales
- 4 is a photograph showing an embodiment. According to the aspect with the scale as described above, there is an advantage that the dimensions of each part of the sole (for example, the width of the middle foot, the width of the thumb or the toe, and the contact width of the arch part) can be easily measured.
- Fig. 25 shows an example in which the foot types are classified into nine types. In the standard footprint of each foot type, the boundaries of the areas with different grounding conditions are clearly shown so that they can be easily understood.
- 5 is a photograph showing a state in which an edge is emphasized and displayed on a display 5.
- FIG. 25 is shown in monotone, it may be displayed in a color-coded manner for each boundary or colored at the edge.
- Fig. 26 also shows an example where the foot types are classified into nine types.
- the standard footprint of each foot type shown in Fig. 25 and the foot type of "standard arch” and “standard” hardness are shown.
- Standard footprint ( Figure 25) This is a photograph showing the manner in which the luminance difference between the pixel and the MED IUM / MED IUM type at the center is calculated for each pixel. Although this figure is shown in monotone, if each pixel is displayed in a different color depending on the magnitude of the luminance difference, the difference between the foot type of “standard arch” and “standard” hardness Is preferred because it is easier to understand.
- the footprint of the customer and the standard footprint of the foot with the "standard arch” and “standard” hardness (the center of Fig. 25) Calculate the luminance difference from the footprint shown in the section, and use the image representing each pixel with the luminance difference as the sole image of the customer.
- a shoe selection support system according to the sixth embodiment of the present invention will be described below.
- the anatomical characteristics of the foot are estimated based on the result of measuring the contact state of the sole.
- the shoe selection system according to the present embodiment differs from the above embodiments in that the anatomical characteristics of the foot are estimated from the results of measuring the three-dimensional shape of the foot.
- the shoe selection support system includes a measurement data input unit 11, a normalization processing unit 12, a selection unit 13, a foot information database 14, a display 5, A shoe catalog database (shoe information storage unit) 6 and an input device 7 are provided.
- the measurement data input unit 11 has a plurality of optical sensors such as a CCD camera or a digital camera, and can capture the foot of the subject (customer) from a plurality of directions using the plurality of optical sensors. Thereby measuring the three-dimensional shape of the subject's foot.
- a marker to the position of the foot of the person to be measured, which is a reference for measuring a dimension representing the characteristic of the foot.
- a marker to the position of the foot of the person to be measured, which is a reference for measuring a dimension representing the characteristic of the foot.
- this corresponds to the base of the index finger.
- the three-dimensional shape data of the foot may be acquired as a polygon data representing the entire surface shape of the foot, or may be acquired as three-dimensional data representing only the position of the marker and the outline of the foot.
- the measurement data input unit 11 further measures dimensions representing the characteristics of the foot from the three-dimensional shape data of the foot measured as described above.
- the foot length L is obtained by calculating the point c of the second toe metatarsal head that is furthest from the metatarsal head a of the second finger, The line that intersects the line that is orthogonal to the straight line that passes through the toe part and the toe part most protruding point c and that touches the toe part most protruding point d
- e is obtained, it is obtained as the distance between the intersection point e and the point c of the toe most protruding.
- Figure 28 (c) is an image of the subject's foot taken from the instep side of the foot. The method of measuring the foot length L is not limited to this example.
- the scaphoid height H is measured as the height of the scaphoid b from the floor, as shown in Fig. 28 (b), foot length L and scaphoid height H. Measurement is taken with optical sensor In the obtained image, it is possible to automatically measure by using the brightness difference between the foot part (marker part) and the background part, etc., and the measurement result by the optical sensor is displayed on the display 5 and the salesclerk or shop assistant Yuichi or the customer (operator) may perform the input operation to obtain the characteristic values necessary for estimating the foot type. In the latter case, the display 5 uses a GUI (Graphical It consists of a display (display input unit) that supports the User Interface).
- GUI Graphical It consists of a display (display input unit) that supports the User Interface).
- the coordinates of that point can be specified. For example, when measuring the scaphoid rough surface height H, an image taken from the side of the foot is displayed on the display 5 as shown in Fig. 28 (b), and the marker portion of the scaphoid head b is displayed. And the intersection of the vertical line from the scaphoid head b to the floor surface and the floor surface are respectively specified by a pointing device, and the scaphoid rough surface height H can be obtained from the specified coordinate values. .
- the measurement by the measurement data input unit 11 may be performed on only one of the left and right feet, may be performed on both feet one by one, or may be performed on both feet simultaneously.
- the foot length L and the scaphoid rough surface height H are measured in two states, ie, the unloaded state and the loaded state.
- the measurement under a non-load condition may be performed with the subject being seated on a chair or the like, and the measurement under a load may be performed with the subject standing.
- the foot length and scaphoid roughness measured in the unloaded state are denoted as L N and H N , respectively, and the foot length and scaphoid rough surface height measured in the loaded state are LL and H L, respectively.
- HL the foot length and the scaphoid rough surface height measured in the loaded state
- the measurement may be performed in various states such as, for example, a state in which the subject is bending his knees or standing on one leg.
- the foot length L and the scaphoid rough surface height H are measured by the measurement data input section 11 in the two states of the unloaded state and the loaded state (step S41).
- the measurement result (L N , H N , L or H L ) by the measurement data input unit 11 is sent to the normalization processing unit 12.
- the normalization processing unit 12 normalizes the data input from the measurement data input unit 11 and stores the obtained normalized data at least temporarily (step S42).
- Step S 4 2 normalization processing unit 1 2, from foot length L N and Funejo bone rough height H N of the non-load state, obtaining the arch height ratio A N in the unloaded state.
- the arch height factor A N is obtained as H N ZL N.
- the obtained arch height ratio is sent from the normalization processing unit 12 to the foot information database 14 and stored in the normalized data storage unit 14a.
- various data relating to the customer for example, customer name, address, telephone number, e-mail address, purchase history, shoes related information
- store these data in the general data of the foot information database 14-evening storage section 14 b in a state of being associated with the customer's high rate of access. Is also good.
- the normalization processing unit 12 obtains the arch height ratio A L under the load condition using the foot length and the scaphoid rough surface height under the load condition measured at step S41 (step S41). 4 3). Arch height The rate is calculated as HLZL L. The obtained arch height ratio is sent from the normalization processing unit 12 to the foot information database 14 and stored in the normalized data storage unit 14a.
- the selecting unit 13 calculates a deviation value by the following formula using the arch height ratio under the load state obtained in step S43, and based on the obtained deviation value, the measured value of the arch height is measured.
- the foot type of the person (customer) is determined (step S44).
- Deviation 5 0 + 10 X (A L -M A ) / SD A
- M A is the average value calculated from the arch height ratio (load condition) of the appropriately selected population
- S D A is the standard deviation of the arch height ratio (load condition) of the population.
- the population it is preferable to use a population composed of people having specific characteristics such as, for example, gender, age, race, and sports.
- Arch height of population may be stored in the standard data SL ⁇ 1 4 c foot information database 1 4, only average values M A and the standard deviation SD A of arch height of population It may be stored in the standard data storage unit 14c.
- the selection unit 13 determines that the arch height type is “standard” when the deviation value is 40 to 60, and sets the arch height type to “low” when the deviation value is less than 40. ) ". If the deviation value exceeds 60, the arch height type is determined to be “high (high arch)”. However, this determination method is only an example, and the number of type types and the threshold value are limited to this example only. Not done. The selection unit 13 temporarily stores the arch height type as the determination result.
- the selection unit 13 determines the arch height ratio A N obtained in steps S42 and S43, respectively, and Is determined (step S45).
- step S45 the selection unit 13 determines the type of arch hardness, for example, as follows.
- K S TD K- (a XA L + b)
- the selector 1 3 uses this normalized arch retention K S TD a deviation value by the following equation to determine the type of the determined deviation value Karaa Ichichi hardness.
- ⁇ ⁇ is the average value of the arch retention of a properly selected population
- SD K is the standard deviation of the arch retention of the population.
- the arch retention rate of the population may be stored in the standard data storage unit 14 c of the foot information database 14, or only the average value of the population arch retention rate ⁇ ⁇ and the standard deviation SD K It may be stored in the standard data storage unit 14c.
- the selector 13 determines the arch hardness type as “standard” when the deviation value is 40 to 60, and determines the arch hardness type as “soft” when the deviation value is less than 40. . If the deviation value exceeds 60, the arch hardness type is determined to be “hard”. However, this judgment method is only an example, and the number of type types and the threshold It is not limited to examples only.
- the selection unit 13 temporarily stores the arch hardness type as the determination result.
- the selection unit 13 determines the anatomical characteristics of the subject's foot by using the "high arch” and “standard arch” for the "arch height ratio (arch height)”. ”,“ Low arch (flat feet) ”on 3 evenings,“ Arch hardness (foot flexibility) ”“ Hard ”,“ Standard ”,
- the method of classifying the anatomical characteristics of the foot in the present invention is not limited to this specific example, but can be classified into any characteristic that can be estimated based on the state of the foot. It is. Further, for example, only the steps S41, S43, and S44 may be performed to perform only the classification of the arch high rate, or the arch S may be omitted by omitting the step S44. Only classification for hardness may be performed.
- the selection unit 13 selects shoes matching the subject from the shoe catalog database 6. Is selected (step S46), and the selected result is displayed on the display 5 (step S47).
- the shoe type selected by the selection unit 13 may be limited to only one type which is estimated to be most suitable for the customer, or a plurality of types may be selected and displayed.
- the method of selecting a shoe type (shoe type or optional part, etc.) by the selection unit 13 is described in detail in the first embodiment. The detailed description is omitted because it is the same as that of the selection unit 3 described above.
- the selection unit 3 described above.
- by selecting data on the three-dimensional shape of the foot and estimating the anatomical characteristics of the foot based on the measurement result it is possible to select a shoe according to the foot type. We can provide effective support.
- the measurement data input unit 11 and the display 5 are connected to the normalization processing unit 12 and the selection unit via the Internet or the like. 1, 3, foot information database 14, shoe catalog database 6, input device 7, etc.
- the present invention can be implemented as a recording medium or a program product that records a computer program or a computer program. That is, a program including an instruction for causing a computer to perform the processing described in each of the above-described embodiments, and a recording medium (program product) that records the program are also an embodiment of the present invention.
- a shoe selection support that can select and present a shoe type suitable for a customer by estimating the anatomical characteristics of the foot from the measurement result of the foot state It becomes possible to provide a system.
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Abstract
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US7089152B2 (en) | 2006-08-08 |
US20050049816A1 (en) | 2005-03-03 |
JP4137942B2 (ja) | 2008-08-20 |
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