CN111265223A - Method for calculating height based on footprint stable point - Google Patents
Method for calculating height based on footprint stable point Download PDFInfo
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- CN111265223A CN111265223A CN202010077062.8A CN202010077062A CN111265223A CN 111265223 A CN111265223 A CN 111265223A CN 202010077062 A CN202010077062 A CN 202010077062A CN 111265223 A CN111265223 A CN 111265223A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 210000002683 foot Anatomy 0.000 claims abstract description 19
- 210000000878 metatarsophalangeal joint Anatomy 0.000 claims abstract description 10
- 210000001255 hallux Anatomy 0.000 claims abstract description 7
- 238000004458 analytical method Methods 0.000 claims description 11
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims description 10
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
- A61B5/1174—Identification of persons based on the shapes or appearances of their bodies or parts thereof using footprinting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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Abstract
The invention provides a method for calculating height based on footprint stable points, which comprises the following steps: setting the big toe inner edge convex point as A, the first metatarsophalangeal joint inner edge convex point as B, the heel central point as C, the fifth metatarsophalangeal joint outer edge convex point as D, the left foot as L, the right foot as R and the height as S; and calculating the height S according to a regression equation based on the line segments AB, AD, BD and BC. The invention discloses a method for calculating the height according to a field residual footprint stable point.
Description
Technical Field
The invention belongs to the technical field of footprint analysis, and particularly relates to a method for calculating height based on footprint stable points.
Background
The technical personnel are most at the pain of the crime scene in analyzing a plurality of overlapped footprints, and the conventional method needs to well separate the footprints to analyze the characteristics of the single footprints so as to comprehensively infer the information of a suspect for a plurality of footprints. This has a very deep and rarely achieved business technology for the technical staff.
In case site investigation, incomplete footprints are often found, and the conventional analysis method cannot accurately judge the age information of a suspect, so that a method capable of accurately deducing the age of the suspect based on easily found footprints is needed.
Disclosure of Invention
The invention aims to provide a method for calculating height based on footprint stable points, aiming at the defects of the prior art.
The invention provides a method for calculating height based on footprint stable points, which comprises the following steps:
setting the big toe inner edge convex point as A, the first metatarsophalangeal joint inner edge convex point as B, the heel central point as C, the fifth metatarsophalangeal joint outer edge convex point as D, the left foot as L, the right foot as R and the height as S;
and calculating the height S according to the following regression equation based on the line segments AB, AD, BD and BC:
left foot analysis:
L△ABD，S＝131.959+2.384LAB+0.572LAD+2.466LBD；
L△BCD，S＝119.283+1.842LBD+0.031LBC+2.741LCD；
L◇ABCD，S＝113.179+1.307LAB+1.448LAD+0.385LBC+2.349LCD；
optimal model L1, S132.216 +3.125LCD
The optimal model L2, S113.777 +2.814LCD +1.932 LAD;
right foot analysis:
R△ABD，S＝129.012+2.269RAB+0.504RAD+2.916RBD；
R△BCD，S＝118.395+1.655RBD+0.962RBC+1.831RCD；
R◇ABCD，S＝116.592+1.181RAB+1.069RAD+1.297RBC+1.389RCD；
optimal model R1, S133.107 +3.030 RCD;
optimal model R2, S117.789 +2.484RCD +1.949 RAD;
mean foot length analysis:
△ABD，S＝125.455+2.595AB+0.630AD+2.969BD；
△BCD，S＝112.658+1.842BD+0.191BC+3.038CD；
◇ABCD，S＝109.404+1.204AB+1.405AD+0.494BC+2.572CD；
optimal model 1, S124.328 +3.702 CD;
optimal model 2, S-109.332 +3.136CD +1.935 AD.
Compared with the prior art, the invention has the beneficial effects that: the height can be calculated according to the field residual footprint stable points (a big toe inner edge convex point A, a first metatarsophalangeal joint inner edge convex point B, a heel center point C and a fifth metatarsophalangeal joint outer edge convex point D).
Drawings
FIG. 1 is a line segment connecting view of footprint stabilizing points according to the present invention;
FIG. 2 is a footprint diagram of the application of the present invention;
FIG. 3 is a footprint of the heel deformity footprint of the present invention for calculating height;
FIG. 4 is a map of the foot print of the hallux deformity of the invention for estimating height.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Referring to fig. 1, the present embodiment provides a method for calculating height based on footprint stable points, including:
setting the big toe inner edge convex point as A, the first metatarsophalangeal joint inner edge convex point as B, the heel central point as C, the fifth metatarsophalangeal joint outer edge convex point as D, the left foot as L, the right foot as R and the height as S;
and calculating the height S according to the following regression equation based on the line segments AB, AD, BD and BC:
left foot analysis:
L△ABD，S＝131.959+2.384LAB+0.572LAD+2.466LBD；
L△BCD，S＝119.283+1.842LBD+0.031LBC+2.741LCD；
L◇ABCD，S＝113.179+1.307LAB+1.448LAD+0.385LBC+2.349LCD；
optimal model L1, S132.216 +3.125LCD
The optimal model L2, S113.777 +2.814LCD +1.932 LAD;
right foot analysis:
R△ABD，S＝129.012+2.269RAB+0.504RAD+2.916RBD；
R△BCD，S＝118.395+1.655RBD+0.962RBC+1.831RCD；
R◇ABCD，S＝116.592+1.181RAB+1.069RAD+1.297RBC+1.389RCD；
optimal model R1, S133.107 +3.030 RCD;
optimal model R2, S117.789 +2.484RCD +1.949 RAD;
mean foot length analysis:
△ABD，S＝125.455+2.595AB+0.630AD+2.969BD；
△BCD，S＝112.658+1.842BD+0.191BC+3.038CD；
◇ABCD，S＝109.404+1.204AB+1.405AD+0.494BC+2.572CD；
optimal model 1, S124.328 +3.702 CD;
optimal model 2, S-109.332 +3.136CD +1.935 AD.
The method for calculating the height based on the footprint stable point can be used for calculating the height according to the residual footprint stable point on site.
Referring to FIG. 2, in one embodiment, measured: AB ═ 4.2CM, AD ═ 11.3CM, BD ═ 10CM, BC ═ 15.1CM, CD ═ 13CM, and sufficient length was 23.5 CM.
Calculating the height L △ ABD by using the half sole part
S＝131.959+2.384LAB+0.572LAD+2.466LBD≈173.1；
Calculating height by using the position of the back palm L △ BCD
S＝119.283+1.842LBD+0.031LBC+2.741LCD≈173.8
L ◇ ABCD as a whole quadrilateral reckoning height
S＝113.179+1.307LAB+1.448LAD+0.385LBC+2.349LCD≈171.4；
The optimal model L1 estimates height:
S＝132.216+3.125LCD≈172.8；
the optimal model L2 estimates height:
S＝113.777+2.814LCD+1.932LAD≈172.2；
foot length × 7 calculated height:
S＝23.5×7＝164.5。
the actual height is as follows: 173 cm.
Referring to fig. 3, the height is calculated from the foot print of the heel.
Calculating the height by using the half sole part:
R△ABD；
after measurement: AB is 4cm AD is 10cm BD is 8.5 cm;
substitution into the formula:
S＝129.012+2.269RAB+0.504RAD+2.916RBD≈167.9。
the actual height is as follows: 170 cm.
Referring to FIG. 4, the foot print of the incomplete foot of the big toe is used to calculate the height.
Calculating the height by using the position of the back palm:
L△BCD
after measurement: BD 8.6cm BC 15cm CD 13.6 cm;
substitution into the formula:
S＝119.283+1.842LBD+0.031LBC+2.741LCD≈172.9。
the actual height is as follows: 172 cm.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (1)
1. A method for calculating height based on footprint stable points is characterized by comprising the following steps:
setting the big toe inner edge convex point as A, the first metatarsophalangeal joint inner edge convex point as B, the heel central point as C, the fifth metatarsophalangeal joint outer edge convex point as D, the left foot as L, the right foot as R and the height as S;
and calculating the height S according to the following regression equation based on the line segments AB, AD, BD and BC:
left foot analysis:
L△ABD，S＝131.959+2.384LAB+0.572LAD+2.466LBD；
L△BCD，S＝119.283+1.842LBD+0.031LBC+2.741LCD；
L◇ABCD，S＝113.179+1.307LAB+1.448LAD+0.385LBC+2.349LCD；
optimal model L1, S132.216 +3.125LCD
The optimal model L2, S113.777 +2.814LCD +1.932 LAD;
right foot analysis:
R△ABD，S＝129.012+2.269RAB+0.504RAD+2.916RBD；
R△BCD，S＝118.395+1.655RBD+0.962RBC+1.831RCD；
R◇ABCD，S＝116.592+1.181RAB+1.069RAD+1.297RBC+1.389RCD；
optimal model R1, S133.107 +3.030 RCD;
optimal model R2, S117.789 +2.484RCD +1.949 RAD;
mean foot length analysis:
△ABD，S＝125.455+2.595AB+0.630AD+2.969BD；
△BCD，S＝112.658+1.842BD+0.191BC+3.038CD；
◇ABCD，S＝109.404+1.204AB+1.405AD+0.494BC+2.572CD；
optimal model 1, S124.328 +3.702 CD;
optimal model 2, S-109.332 +3.136CD +1.935 AD.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010077062.8A CN111265223A (en) | 2020-01-23 | 2020-01-23 | Method for calculating height based on footprint stable point |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010077062.8A CN111265223A (en) | 2020-01-23 | 2020-01-23 | Method for calculating height based on footprint stable point |
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| CN111265223A true CN111265223A (en) | 2020-06-12 |
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| CN202010077062.8A Withdrawn CN111265223A (en) | 2020-01-23 | 2020-01-23 | Method for calculating height based on footprint stable point |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328304A (en) * | 1999-05-12 | 2000-11-28 | Iwao Kasahara | Socks for redressment of crooked foot |
| JP2002159302A (en) * | 2000-09-14 | 2002-06-04 | Shigeru Takenaka | Sole and insole for footwear and method for evaluating foot form |
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2020
- 2020-01-23 CN CN202010077062.8A patent/CN111265223A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000328304A (en) * | 1999-05-12 | 2000-11-28 | Iwao Kasahara | Socks for redressment of crooked foot |
| JP2002159302A (en) * | 2000-09-14 | 2002-06-04 | Shigeru Takenaka | Sole and insole for footwear and method for evaluating foot form |
Non-Patent Citations (1)
| Title |
|---|
| 朱玉婷，乔胜男，胡书良: "基于赤足足迹稳定点推算身高的新 方法", 刑事技术, vol. 44, no. 2, pages 106 * |
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Application publication date: 20200612 |
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