阅读说明：本技术 一种基于压力采集的足弓类型识别方法 (Arch type identification method based on pressure acquisition ) 是由 龙汝倩 崔杰 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种基于压力采集的足弓类型识别方法,包括如下步骤：S1、获取足底压力区域信息；S2、从足底压力区域信息中提取足底压力最大宽度信息及足底压力最小宽度信息；S3、基于足底压力最大宽度信息及足底压力最小宽度信息生成足弓类型信息。本发明。与现有技术相比,本发明可直接采用压力信息判断足弓类型,采用机器进行判断,相比采用肉眼进行判断,准确率更高。并且,本发明虽然采集压力信息,但是采用了足底宽度进行足弓类型的判断,无需进行复杂的力学计算,对硬件要求较低。(The invention discloses an arch type identification method based on pressure acquisition, which comprises the following steps: s1, obtaining the information of the pressure area of the sole; s2, extracting the maximum width information and the minimum width information of the sole pressure from the information of the sole pressure area; and S3, generating arch type information based on the plantar pressure maximum width information and the plantar pressure minimum width information. The invention relates to a method for preparing a high-temperature-resistant ceramic material. Compared with the prior art, the method can directly judge the arch type by adopting the pressure information and judge by adopting a machine, and has higher accuracy compared with the judgment by adopting naked eyes. In addition, although the pressure information is collected, the arch type is judged by adopting the sole width, complex mechanical calculation is not needed, and the requirement on hardware is low.)

1. An arch type identification method based on pressure acquisition is characterized by comprising the following steps:

s1, obtaining the information of the pressure area of the sole;

s2, extracting the maximum width information and the minimum width information of the sole pressure from the information of the sole pressure area;

and S3, generating arch type information based on the plantar pressure maximum width information and the plantar pressure minimum width information.

2. The arch type identification method based on pressure acquisition as claimed in claim 1, wherein the 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;

and S102, generating sole pressure area information based on the number and the positions of the pressure sensors collecting the pressure values.

3. The arch type identification method based on pressure acquisition according to claim 2, wherein the step S102 includes:

s1021, 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;

s1022, generating slope information based on the to-be-processed sole pressure area information;

and S1023, 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.

4. The arch type identification method based on pressure acquisition as claimed in claim 3, wherein the slope information includes left foot slope information and right foot slope information, and the method of 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.

5. The arch type identification method based on pressure acquisition as claimed in claim 4, wherein the value range of n is 1 or 2.

6. The arch type identification method based on pressure acquisition according to any one of claims 1 to 5, wherein the step S2 includes:

s201, determining the widest row of the left foot or the right foot in the sole pressure area information, wherein the widest row is the row with the largest number of pressure sensors which are included in the sole pressure area information and used for collecting pressure values of the left foot or the right foot, and the largest width information is the number of the pressure sensors which are collected in the widest row and used for collecting the pressure values of the left foot or the right foot;

s202, determining a heel row of a left foot or a right foot in sole pressure area information, wherein the heel row is the mth row before the rearmost row where a pressure sensor for collecting a pressure value of the left foot or the right foot is located in the sole pressure area information, and m is a preset value;

s203, determining the narrowest row of the left foot or the right foot in the sole pressure area information, wherein the narrowest row is the row which is included between the widest row and the heel row and has the least pressure sensors for collecting the pressure values of the left foot or the right foot, and the minimum width information is the number of the pressure sensors for collecting the pressure values of the left foot or the right foot in the narrowest row.

7. The arch type identification method based on pressure acquisition as claimed in claim 6, wherein the step S3 includes:

a ratio of the minimum width information to the maximum width information is calculated, and arch type information is generated based on the ratio.

Technical Field

The invention relates to the technical field of arch type judgment, in particular to an arch type identification method based on pressure acquisition.

Background

The arch of foot is a convex arch structure composed of tarsal bones of foot, metatarsal bones with ligaments and tendons. The arches can be largely divided into three categories: high arch, normal arch, and low arch. Depending on the type of arch, different shoes should be selected to avoid ankle, knee, pelvis, etc. joint injuries during walking or running. Therefore, accurate determination of the arch type is an important prerequisite for proper shoe selection.

The existing method for measuring the arch of foot in the market mainly adopts a physical detection method, after ink is applied to the sole of the foot, the foot is stepped on paper, the type of the arch of foot is judged according to the foot print condition, the method is relatively complicated in process, the judgment mode mainly depends on visual observation and then is judged according to experience, and the accuracy is poor.

Therefore, how to judge the arch type more efficiently and accurately becomes a problem that needs to be solved 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:

an arch type identification method based on pressure acquisition comprises the following steps:

s1, obtaining the information of the pressure area of the sole;

s2, extracting the maximum width information and the minimum width information of the sole pressure from the information of the sole pressure area;

and S3, generating arch type information based on the plantar pressure maximum width information and the plantar pressure minimum width 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;

and S102, generating sole pressure area information based on the number and the positions of the pressure sensors collecting the pressure values.

Preferably, step S102 includes:

s1021, 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;

s1022, generating slope information based on the to-be-processed sole pressure area information;

and S1023, 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, n has a value in the range of 1 or 2.

Preferably, step S2 includes:

s201, determining the widest row of the left foot or the right foot in the sole pressure area information, wherein the widest row is the row with the largest number of pressure sensors which are included in the sole pressure area information and used for collecting pressure values of the left foot or the right foot, and the largest width information is the number of the pressure sensors which are collected in the widest row and used for collecting the pressure values of the left foot or the right foot;

s202, determining a heel row of a left foot or a right foot in sole pressure area information, wherein the heel row is the mth row before the rearmost row where a pressure sensor for collecting a pressure value of the left foot or the right foot is located in the sole pressure area information, and m is a preset value;

s203, determining the narrowest row of the left foot or the right foot in the sole pressure area information, wherein the narrowest row is the row which is included between the widest row and the heel row and has the least pressure sensors for collecting the pressure values of the left foot or the right foot, and the minimum width information is the number of the pressure sensors for collecting the pressure values of the left foot or the right foot in the narrowest row.

Preferably, step S3 includes:

a ratio of the minimum width information to the maximum width information is calculated, and arch type information is generated based on the ratio.

In summary, the invention discloses an arch type identification method based on pressure acquisition, which comprises the following steps: s1, obtaining the information of the pressure area of the sole; s2, extracting the maximum width information and the minimum width information of the sole pressure from the information of the sole pressure area; and S3, generating arch type information based on the plantar pressure maximum width information and the plantar pressure minimum width information. The invention relates to a method for preparing a high-temperature-resistant ceramic material. Compared with the prior art, the method can directly judge the arch type by adopting the pressure information and judge by adopting a machine, and has higher accuracy compared with the judgment by adopting naked eyes. In addition, although the pressure information is collected, the arch type is judged by adopting the sole width, complex mechanical calculation is not needed, and the requirement on hardware is low.

Drawings

FIG. 1 is a flow chart of one embodiment of a method for arch type identification based on pressure acquisition of 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 schematic diagram of maximum width information and minimum width information in the present invention.

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 an arch type identification method based on pressure acquisition, which comprises the following steps:

s1, obtaining the information of the pressure area of the sole;

s2, extracting the maximum width information and the minimum width information of the sole pressure from the information of the sole pressure area;

and S3, generating arch type information based on the plantar pressure maximum width information and the plantar pressure minimum width information.

Compared with the prior art, the method can directly judge the arch type by adopting the pressure information and judge by adopting a machine, and has higher accuracy compared with the judgment by adopting naked eyes. In addition, although the pressure information is collected, the arch type is judged by adopting the sole width, complex mechanical calculation is not needed, and the requirement on hardware is low.