CN110706081B - A method of insole recommendation based on pressure collection - Google Patents
A method of insole recommendation based on pressure collection Download PDFInfo
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Abstract
The invention discloses a pressure acquisition-based insole recommendation method, which comprises the following steps: s1, obtaining plantar pressure information; s2, dividing the sole into a plurality of areas, and calculating the pressure information of each area based on the sole pressure information; and S3, generating insole recommendation information based on the pressure information of each area, wherein the insole recommendation information comprises cushion block recommendation information. The invention realizes the recommendation of the insole with the cushion block by collecting the pressure of the sole of the tested person. Compared with the mode of recommending insoles according to the wear condition of soles in the prior art, the method has the advantages that the factor of manual interference is removed, and the recommendation accuracy is higher.
Description
Technical Field
The invention relates to the technical field of product customization, in particular to a pressure acquisition-based insole recommendation method.
Background
The insole is the part of the shoe most closely attached to the foot, and is a soft cushion for absorbing the weight of the body and absorbing the acting force and the reacting force generated by the foot and the ground when walking.
When walking, the quality of the insole and whether the insole is suitable for being matched with the foot shape of a user directly influence the health and the comfort of the user. Most users purchase insoles by considering only the size of the insole and the materials used to make the insole. However, since the foot shape of each person is different, the force bearing area and the force bearing point of the foot are different during walking, so that the common shoe pad in the market is not suitable for all people, and especially for some people with special foot shape or special walking posture, the joint injury of ankles, knees, pelvis and the like can be caused by using the common shoe pad for a long time, thereby affecting health.
Therefore, how to provide the user with the insole suitable for his or her individual becomes a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problems to be solved by the invention are as follows: how to more efficiently and accurately judge the type of the arch.
In order to solve the technical problems, the invention adopts the following technical scheme:
a pressure acquisition-based insole recommendation method comprises the following steps:
s1, obtaining plantar pressure information;
s2, dividing the sole into a plurality of areas, and calculating the pressure information of each area based on the sole pressure information;
and S3, generating insole recommendation information based on the pressure information of each area, wherein the insole recommendation information comprises cushion block recommendation information.
Preferably, step S1 includes:
s101, enabling a person to be tested to stand on a plantar pressure acquisition device, wherein the plantar pressure acquisition device comprises a plurality of pressure sensors which are arranged in an array;
s102, generating plantar pressure area information based on the number and the positions of the pressure sensors collecting pressure values, and recording the pressure values collected by each pressure sensor as plantar pressure value information;
and S103, generating sole pressure information based on the sole pressure region information and the sole pressure value information.
Preferably, the generating of the plantar pressure region information based on the number and the positions of the pressure sensors collecting the pressure values includes:
obtaining the pressure area information of the sole to be processed based on the number and the positions of the pressure sensors which acquire the pressure values;
generating slope information based on the to-be-processed sole pressure area information;
and correcting the information of the sole pressure area to be processed based on the slope information to obtain the information of the sole pressure area.
Preferably, the slope information includes left foot slope information and right foot slope information, and the method for generating left foot slope information or right foot slope information includes:
numbering the pressure sensors which acquire the pressure values of the left foot or the right foot according to rows and columns;
determining the widest row of the left foot or the right foot, wherein the widest row comprises a row with the largest pressure sensors for acquiring the pressure values of the left foot or the right foot;
determining a heel row of a left foot or a right foot, wherein the nth row before the rearmost row where a pressure sensor of a pressure value of the left foot or the right foot is located is acquired by the heel row, and n is a preset value;
calculating the number of image lines of the left foot or the right foot, wherein the number of the image lines is the number of lines from the widest line to the heel;
acquiring the initial column value of the widest row of the left foot or the right foot, wherein the initial column value of the widest row is the difference value of the initial column number of the widest row and the initial column number of the heel, and for the left foot, the initial column is the rightmost column of the widest row, and the initial column of the heel is the rightmost column of the calcaneus region; for the right foot, the starting column is the leftmost column of the widest row, and the heel starting column is the leftmost column of the calcaneus region;
the slope of the left foot or the slope of the right foot is the initial column value of the widest row corresponding to the left foot or the right foot divided by the number of image rows.
Preferably, the cushion recommendation information includes heel inner and outer cushion recommendation information, and the method for generating heel inner and outer cushion recommendation information includes:
acquiring pressure information of an inner heel area and pressure information of an outer heel area;
calculating the pressure sum of the medial heel area and the pressure sum of the lateral heel area;
if the ratio of the pressure sum of the inside heel area and the pressure sum of the outside heel area is greater than the first heel inside-outside lateral pressure ratio threshold value, then generate the heel inside-outside lateral cushion recommendation information including the heel inside cushion, if the ratio of the pressure sum of the inside heel area and the pressure sum of the outside heel area is less than the second heel inside-outside lateral pressure ratio threshold value, then generate the heel inside-outside lateral cushion recommendation information including the heel outside cushion, the second heel inside-outside lateral pressure ratio threshold value is less than the first heel inside-outside lateral pressure ratio threshold value.
Preferably, the cushion block recommendation information includes second half palm cushion block recommendation information, and the method for generating the second half palm cushion block recommendation information includes:
acquiring pressure information of a half palm area and pressure information of a full palm area;
calculating the pressure sum of the half palm area and the pressure sum of the whole palm area;
and if the ratio of the pressure sum of the rear half palm area to the pressure sum of the full palm area is greater than a rear half palm pressure ratio threshold value, generating rear half palm cushion block recommendation information comprising a rear half palm cushion block.
Preferably, the cushion recommendation information includes heel U-shaped cushion recommendation information, and the method for generating the heel U-shaped cushion recommendation information includes:
acquiring pressure information of a heel central area and pressure information of a heel area;
calculating the pressure sum of the heel central area and the pressure sum of the heel area;
and if the ratio of the pressure sum of the heel central area to the pressure sum of the heel area is greater than the pressure ratio threshold value of the U-shaped heel cushion, generating the recommendation information of the U-shaped heel cushion comprising the U-shaped heel cushion.
In summary, the invention discloses a pressure acquisition-based insole recommendation method, which comprises the following steps: s1, obtaining plantar pressure information; s2, dividing the sole into a plurality of areas, and calculating the pressure information of each area based on the sole pressure information; and S3, generating insole recommendation information based on the pressure information of each area, wherein the insole recommendation information comprises cushion block recommendation information. The invention realizes the recommendation of the insole with the cushion block by collecting the pressure of the sole of the tested person. Compared with the mode of recommending insoles according to the wear condition of soles in the prior art, the method has the advantages that the factor of manual interference is removed, and the recommendation accuracy is higher.
Drawings
FIG. 1 is a flow chart of one embodiment of a method for pressure acquisition-based insole recommendation in accordance with the present invention;
FIG. 2 is a schematic diagram of information of pressure areas of a sole to be treated in the present invention;
FIG. 3 is a schematic diagram of the to-be-processed plantar pressure region information of the right foot after binarization in the invention;
FIG. 4 is a schematic diagram of the number of rows of the image and the initial value of the widest row for correcting the front right foot according to the present invention;
FIG. 5 is the plantar pressure area information of the right foot after correction in accordance with the present invention;
FIG. 6 is a top view of the medial heel block of the left foot;
FIG. 7 is a top view of the lateral left heel block;
FIG. 8 is a schematic view of a left hind paw pad;
FIG. 9 is a schematic view of a left heel U-shaped spacer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIG. 1, the invention discloses a pressure acquisition-based insole recommendation method, which comprises the following steps:
s1, obtaining plantar pressure information;
s2, dividing the sole into a plurality of areas, and calculating the pressure information of each area based on the sole pressure information;
and S3, generating insole recommendation information based on the pressure information of each area, wherein the insole recommendation information comprises cushion block recommendation information.
The insole with the cushion block can be arranged at the corresponding position of the insole, so that the functions of gait guidance of the testee, shoe rapid abrasion prevention and the like are realized. Compared with the mode of recommending insoles according to the wear condition of soles in the prior art, the method has the advantages that the factor of manual interference is removed, and the recommendation accuracy is higher.
In specific implementation, step S1 includes:
s101, enabling a person to be tested to stand on a plantar pressure acquisition device, wherein the plantar pressure acquisition device comprises a plurality of pressure sensors which are arranged in an array;
s102, generating plantar pressure area information based on the number and the positions of the pressure sensors collecting pressure values, and recording the pressure values collected by each pressure sensor as plantar pressure value information;
and S103, generating sole pressure information based on the sole pressure region information and the sole pressure value information.
In the invention, a plurality of pressure sensors can be arranged in a matrix to be used as a sole pressure acquisition device, and when a person to be measured stands on the sole pressure acquisition device, a plurality of pressure sensors can acquire pressure. The data collected is shown in fig. 2. The information of the pressure sensor for collecting the pressure can be recorded to form the information of the pressure area of the sole, the corresponding pressure value information is recorded to obtain the information of the pressure value of the sole, and the information of the pressure value of the sole and the information of the pressure area of the sole are integrated to obtain the information of the pressure of the sole. In specific implementation, the plantar pressure collecting device can be divided into two areas for respectively collecting the information of two feet. When data acquisition is carried out, the feet of a person to be measured are respectively stepped on the corresponding areas. In addition, the first row, the first column, the last row and the last column of the pressure sensor for acquiring the pressure can be used as boundaries to obtain a preliminary plantar pressure area. By adopting the mode, most of the sensors which do not acquire pressure can be eliminated preliminarily, and convenience is provided for subsequent data processing.
During specific implementation, the step of generating the plantar pressure area information based on the number and the positions of the pressure sensors collecting the pressure values comprises the following steps:
obtaining the pressure area information of the sole to be processed based on the number and the positions of the pressure sensors which acquire the pressure values;
generating slope information based on the to-be-processed sole pressure area information;
and correcting the information of the sole pressure area to be processed based on the slope information to obtain the information of the sole pressure area.
When a person to be measured performs data acquisition, the two soles are generally not parallel to each other, and the width direction of the soles is not overlapped with the width direction set during preset data processing, as shown in fig. 3, so that errors in acquisition of the maximum width information of sole pressure and the minimum width information of sole pressure can be caused, and inaccurate identification can be caused, and therefore, in order to avoid the errors and improve the accuracy rate, slope information needs to be calculated, so that data is corrected, and the corrected data is shown in fig. 5. It should be understood by those skilled in the art that the slope calculation and data processing in the present invention are performed for each foot independently, and the data collected by each foot, the slope thereof, and the final determination result are independent. In addition, in order to facilitate data processing, data of one foot can be subjected to mirror image processing, and then the data subjected to mirror image processing is subjected to subsequent processing, so that unified processing of the data of the two feet can be realized (assuming that mirror image processing is performed on data of the right foot, the data obtained after mirror image processing can be directly processed according to the processing mode of the left foot).
In the invention, because the correction is carried out without judging according to a specific pressure value, the collected pressure information can be subjected to binarization processing, and the data collected by the pressure sensor is only divided into two types of collected pressure and non-collected pressure, so that the pressure region information of the sole is obtained. Taking the right foot as an example, the processed data is shown in fig. 3.
In specific implementation, the slope information includes left foot slope information and right foot slope information, and the method for generating the left foot slope information or the right foot slope information includes:
numbering the pressure sensors which acquire the pressure values of the left foot or the right foot according to rows and columns;
determining the widest row of the left foot or the right foot, wherein the widest row comprises a row with the largest pressure sensors for acquiring the pressure values of the left foot or the right foot;
determining a heel row of a left foot or a right foot, wherein the nth row before the rearmost row where a pressure sensor of a pressure value of the left foot or the right foot is located is acquired by the heel row, and n is a preset value;
calculating the number of image lines of the left foot or the right foot, wherein the number of the image lines is the number of lines from the widest line to the heel;
acquiring the initial column value of the widest row of the left foot or the right foot, wherein the initial column value of the widest row is the difference value of the initial column number of the widest row and the initial column number of the heel, and for the left foot, the initial column is the rightmost column of the widest row, and the initial column of the heel is the rightmost column of the calcaneus region; for the right foot, the starting column is the leftmost column of the widest row, and the heel starting column is the leftmost column of the calcaneus region;
the slope of the left foot or the slope of the right foot is the initial column value of the widest row corresponding to the left foot or the right foot divided by the number of image rows.
In the present invention, the line direction is defined as the sole width direction. Each pressure sensor can be considered as a point in rows and columns, and accordingly each pressure sensor has a row and column numbering. Taking fig. 3 as an example, the calculated number of image lines and the value of the widest line starting column are shown in fig. 4, so that the slope can be calculated. The corrected data are shown in fig. 5.
As shown in fig. 6 and 7, in specific implementation, the cushion recommendation information includes heel medial-lateral cushion recommendation information, and the method for generating heel medial-lateral cushion recommendation information includes:
acquiring pressure information of an inner heel area and pressure information of an outer heel area;
calculating the pressure sum of the medial heel area and the pressure sum of the lateral heel area;
if the ratio of the pressure sum of the inside heel area and the pressure sum of the outside heel area is greater than the first heel inside-outside lateral pressure ratio threshold value, then generate the heel inside-outside lateral cushion recommendation information including the heel inside cushion, if the ratio of the pressure sum of the inside heel area and the pressure sum of the outside heel area is less than the second heel inside-outside lateral pressure ratio threshold value, then generate the heel inside-outside lateral cushion recommendation information including the heel outside cushion, the second heel inside-outside lateral pressure ratio threshold value is less than the first heel inside-outside lateral pressure ratio threshold value.
The first heel medial-lateral pressure ratio threshold can be 0.6, and the second heel medial-lateral pressure ratio threshold can be 0.4.
According to the experimental verification: when the pressure value of a certain side is greater than 0.6, the pressure on the side is heavier, the side can be painful after long-term continuous operation, the pressure of the heel part can be evenly distributed by using the corresponding heel cushion block, and the probability of pain is reduced.
As shown in fig. 8, in a specific implementation, the cushion block recommendation information includes second half palm cushion block recommendation information, and the method for generating the second half palm cushion block recommendation information includes:
acquiring pressure information of a half palm area and pressure information of a full palm area;
calculating the pressure sum of the half palm area and the pressure sum of the whole palm area;
and if the ratio of the pressure sum of the rear half palm area to the pressure sum of the full palm area is greater than a rear half palm pressure ratio threshold value, generating rear half palm cushion block recommendation information comprising a rear half palm cushion block.
The latter half palm pressure ratio threshold may take 0.6.
According to the experimental verification: when the pressure value of a certain side is more than 0.6, the pressure on the side is heavier, the pressure distribution of the front half palm and the rear half palm is uneven, the walking balance and stability can be influenced, the pain condition is easy to occur in places with large stress, and the symptoms can be relieved by using the cushion block of the rear half palm.
As shown in fig. 9, in specific implementation, the cushion block recommendation information includes heel U-shaped cushion block recommendation information, and the method for generating the heel U-shaped cushion block recommendation information includes:
acquiring pressure information of a heel central area and pressure information of a heel area;
calculating the pressure sum of the heel central area and the pressure sum of the heel area;
and if the ratio of the pressure sum of the heel central area to the pressure sum of the heel area is greater than the pressure ratio threshold value of the U-shaped heel cushion, generating the recommendation information of the U-shaped heel cushion comprising the U-shaped heel cushion.
The heel U-pad pressure ratio threshold may be 0.6.
According to the experimental verification: when heel central pressure value than being greater than 0.6, the heel pressure is concentrated in the center of heel, and the painful condition appears more easily for a long time atress is too big, uses heel U type cushion can share heel central pressure, and the painful condition of reduction takes place.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A pressure acquisition-based insole recommendation method is characterized by comprising the following steps:
s1, obtaining plantar pressure information; step S1 includes:
s101, enabling a person to be tested to stand on a plantar pressure acquisition device, wherein the plantar pressure acquisition device comprises a plurality of pressure sensors which are arranged in an array;
s102, generating plantar pressure area information based on the number and the positions of the pressure sensors collecting pressure values, and recording the pressure values collected by each pressure sensor as plantar pressure value information;
s103, generating sole pressure information based on the sole pressure region information and the sole pressure value information;
wherein, the number and the position of the pressure sensors based on the collected pressure value generate the regional information of the pressure of the sole, including:
obtaining the pressure area information of the sole to be processed based on the number and the positions of the pressure sensors which acquire the pressure values;
generating slope information based on the to-be-processed sole pressure area information;
correcting the information of the sole pressure area to be processed based on the slope information to obtain the information of the sole pressure area;
the slope information comprises left foot slope information and right foot slope information, and the method for generating the left foot slope information or the right foot slope information comprises the following steps:
numbering the pressure sensors which acquire the pressure values of the left foot or the right foot according to rows and columns;
determining the widest row of the left foot or the right foot, wherein the widest row comprises a row with the largest pressure sensors for acquiring the pressure values of the left foot or the right foot;
determining a heel row of a left foot or a right foot, wherein the nth row before the rearmost row where a pressure sensor of a pressure value of the left foot or the right foot is located is acquired by the heel row, and n is a preset value;
calculating the number of image lines of the left foot or the right foot, wherein the number of the image lines is the number of lines from the widest line to the heel;
obtaining the initial column value of the widest row of the left foot or the right foot, wherein the initial column value of the widest row is the difference value of the initial column number of the widest row and the initial column number of the heel, and for the left foot, the initial column of the widest row is the rightmost column of the widest row, and the initial column of the heel is the rightmost column of the calcaneus region; for the right foot, the starting column of the widest row is the leftmost column of the widest row, and the starting column of the heel is the leftmost column of the calcaneus region;
the slope of the left foot or the slope of the right foot is the initial column value of the widest row corresponding to the left foot or the right foot divided by the number of image rows;
s2, dividing the sole into a plurality of areas, and calculating the pressure information of each area based on the sole pressure information;
and S3, generating insole recommendation information based on the pressure information of each area, wherein the insole recommendation information comprises cushion block recommendation information.
2. The pressure acquisition-based insole recommendation method of claim 1, wherein the cushion recommendation information comprises heel medial and lateral cushion recommendation information, the method of generating heel medial and lateral cushion recommendation information comprising:
acquiring pressure information of an inner heel area and pressure information of an outer heel area;
calculating the pressure sum of the medial heel area and the pressure sum of the lateral heel area;
if the ratio of the pressure sum of the inside heel area and the pressure sum of the outside heel area is greater than the first heel inside-outside lateral pressure ratio threshold value, then generate the heel inside-outside lateral cushion recommendation information including the heel inside cushion, if the ratio of the pressure sum of the inside heel area and the pressure sum of the outside heel area is less than the second heel inside-outside lateral pressure ratio threshold value, then generate the heel inside-outside lateral cushion recommendation information including the heel outside cushion, the second heel inside-outside lateral pressure ratio threshold value is less than the first heel inside-outside lateral pressure ratio threshold value.
3. The method of pressure acquisition-based insole recommendation according to claim 1, wherein the cushion recommendation information comprises a posterior half sole cushion recommendation information, the method of generating the posterior half sole cushion recommendation information comprising:
acquiring pressure information of a half palm area and pressure information of a full palm area;
calculating the pressure sum of the half palm area and the pressure sum of the whole palm area;
and if the ratio of the pressure sum of the rear half palm area to the pressure sum of the full palm area is greater than a rear half palm pressure ratio threshold value, generating rear half palm cushion block recommendation information comprising a rear half palm cushion block.
4. The method of pressure acquisition-based insole recommendation according to claim 1, wherein the cushion recommendation information comprises heel U-shaped cushion recommendation information, the method of generating heel U-shaped cushion recommendation information comprising:
acquiring pressure information of a heel central area and pressure information of a heel area;
calculating the pressure sum of the heel central area and the pressure sum of the heel area;
and if the ratio of the pressure sum of the heel central area to the pressure sum of the heel area is greater than the pressure ratio threshold value of the U-shaped heel cushion, generating the recommendation information of the U-shaped heel cushion comprising the U-shaped heel cushion.
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|---|---|---|---|---|
| CN104647757A (en) * | 2015-01-26 | 2015-05-27 | 刘轶 | Manufacturing method for 3D (three-dimensional) printing shoe pad |
| CN105172137A (en) * | 2015-08-17 | 2015-12-23 | 广州万碧生物科技有限公司 | Method, device and system for manufacturing rehabilitation insole |
| CN110123330A (en) * | 2019-05-20 | 2019-08-16 | 浙江大学 | Foot type parameter measurement and pressure cloud atlas generation method based on plantar pressure data |
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| US7493230B2 (en) * | 2006-06-06 | 2009-02-17 | Aetrex Worldwide, Inc. | Method and apparatus for customizing insoles for footwear |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104647757A (en) * | 2015-01-26 | 2015-05-27 | 刘轶 | Manufacturing method for 3D (three-dimensional) printing shoe pad |
| CN105172137A (en) * | 2015-08-17 | 2015-12-23 | 广州万碧生物科技有限公司 | Method, device and system for manufacturing rehabilitation insole |
| CN110123330A (en) * | 2019-05-20 | 2019-08-16 | 浙江大学 | Foot type parameter measurement and pressure cloud atlas generation method based on plantar pressure data |
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Denomination of invention: A pressure based insole recommendation method Granted publication date: 20210907 Pledgee: Bank of China Limited Ruichang sub branch Pledgor: RUICHANG XINMAI TECHNOLOGY Co.,Ltd. Registration number: Y2024980060294 |