CN104640503A - Method for evaluating facial aging - Google Patents
Method for evaluating facial aging Download PDFInfo
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- CN104640503A CN104640503A CN201380047593.0A CN201380047593A CN104640503A CN 104640503 A CN104640503 A CN 104640503A CN 201380047593 A CN201380047593 A CN 201380047593A CN 104640503 A CN104640503 A CN 104640503A
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- aging
- skin
- face
- sagging
- wrinkle
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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
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/442—Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
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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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dermatology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention relates to a method indexing a facial aging degree by using skin wrinkles, elasticity and sagging, which are indicators of facial skin aging, so as to provide an overall evaluation thereof, and more specifically, to a method measuring cheek elasticity, wrinkles around the eyes, and facial sagging and combining the measurements thereof to calculate an index, which considers a correlation with age, thereby providing an over evaluation of a general facial aging degree.
Description
Technical field
The present invention relates to a kind of can the method for overall merit face degree of aging, described method is by utilizing as the wrinkle of skin of skin aging index, elastic force, sagging etc. carry out indexation to face's degree of aging and realize.More specifically, relate to a kind of can the method for degree of aging of the whole face of overall merit, described method is that cheek elastic force by measuring facial skin, eye wrinkle-removing, face are sagging, and comprehensively its result calculates and considers that the index with age dependency relation realizes.
Background technology
The aging face of people, along with the increase at age can be deepened, and due to various impacts such as the aging of skin itself and muscle changes, therefore can to produce wrinkle of skin or skin elasticity minimizing, the various states such as phenomenon of the sagging increase of overall facial skin embodies.In order to evaluate the improvement of aging face, usually wrinkle of skin or force variation, sagging change etc. is measured respectively, and this can only point out the improvement degree of each key element, can not the aging face of general performance entirety, therefore cannot know which kind of degree current degree of aging and general aging tendency are in a ratio of.
Summary of the invention
The technical problem solved
To this, the present inventor is based on measuring as the wrinkle of skin of the index of facial skin aging, elastic force and sagging and data that are that accumulate to the tested object of all age group, calculate the comprehensive aging face index of each aging action with the age with dependency, and found when utilizing the method, the comprehensive aging evaluation that cannot obtain from the data of each key element can be carried out, thus complete the present invention.
Therefore, the object of the invention is to, provide a kind of evaluation methodology of overall face degree of aging, described method is that wrinkle of skin, elastic force and the sagging aging face index by comprehensively illustrating face realizes.And a kind of method can carrying out Visualization Evaluation to the aging degree of improvement occurred owing to using aging products etc. is provided thus.
Technical scheme
To achieve these goals, the invention provides a kind of method evaluating aging face, described method is the method that the aging face index calculated by utilizing the measurement result of the wrinkle according to face, skin elasticity and skin sagging evaluates aging face.
Below, more specific description is carried out to the present invention.
The present invention relates to a kind of skin aging evaluation methodology, described method comprises: step a) measuring the wrinkle of tested object face, skin elasticity and skin sagging; And b) described measurement result quantized, thus calculate the step of aging face index.
In addition, the present invention relates to a kind of skin aging evaluation methodology, described method comprises: step a) measuring the wrinkle of tested object face, skin elasticity and skin sagging; And b) described measurement result quantized, thus calculate the step of aging face index; And c) by step that the aging face index in the described aging face index that calculates and data base compares.
In one embodiment of the invention, the calculating step and can comprise of described aging face index:
B-1) measure wrinkle, skin elasticity and the skin sagging of face, and its result is carried out the step that quantizes;
B-2) to multidigit tested object, repeatedly carry out described a) step, thus accumulate the step of the result of the wrinkle of described face, skin elasticity and skin sagging; And
B-3) step by utilizing the result of described accumulation to derive the computing formula of aging face index; And
B-4) by utilizing described computing formula to calculate aging face index, thus the step in aging face exponent data storehouse is built.
Described multidigit tested object, is made up of multiple age bracket, by the result of described accumulation, can derive the dependency of age and facial wrinkles, skin elasticity and skin sagging.
In one embodiment of the invention, the step that calculates of described aging face index may further include: b-5) to new tested object, repeatedly carry out described b-1) to b-4) step, thus upgrade the computing formula of described aging face index, and upgrade and build the step in described aging face exponent data storehouse.
Described b-5) step can according to the tested object newly increased, formation and the number of the tested object age bracket distributed in all database are not inclined in the scope of one party, repeatedly implement described step b-1) to b-4), expand described aging face exponent data storehouse, to reflect the characteristic of actual tested object colony, thus increase accuracy.
According to one embodiment of present invention, the wrinkle of described face can be measured by the facial wrinkles area of tested object.More specifically, described facial wrinkles area can be measured by the wrinkle area of test subject eye.Described wrinkle area, can by making the skin simulation experiment plate of facial wrinkles, and utilize wrinkle analytical tool to measure wrinkle area.
According to one embodiment of present invention, if the mensuration of described skin of face elastic force utilizes the instrument that can measure elastic force, be not particularly limited.Such as, skin elasticity analyzer etc. can be used to utilize the elasticity tester device of acoustic pressure.Described skin of face elastic force, preferably can measure the elastic force that skin thickness is thin, affect less eye and cheek upper end by muscle etc.
According to one embodiment of present invention, for the mensuration that described skin of face is sagging, by the photo of shooting face, step evaluating skin degree of sag can be pressed from the photo of shooting.Described skin sagging, such as can by measuring as the whole cheek at the sagging position of major skin.More specifically, the whole cheek position from optical fundus to corners of the mouth peripheral part can be measured.
Described aging face index, by the result of described accumulation, and can consider the dependency of age and facial wrinkles, skin elasticity and skin sagging and derives computing formula, and calculating aging face index thus.More specifically, in order to can reflect each measured value of the wrinkle of described face, skin elasticity and skin sagging equably mutual different mensuration factors between numerical value, aging face formula of index can be derived in the following manner.Consider meansigma methods and the standard deviation of each data, cumulative distribution function value when being transformed to normal distribution is gone forward side by side after column criterion, consider the described standardized value of each data and the dependency at age and calculate regression equation, thus deriving the computing formula of aging face index.Described aging face index higher expression degree of aging is lower.
Beneficial effect
According to aging evaluation methodology of the present invention, described method has following effect, it is based on measuring as the wrinkle of skin of facial skin aging index, elastic force and sagging and accumulate data to the tested object of all age group, calculate the comprehensive aging face index of each aging action with the age with dependency, and in utilization at that time, the comprehensive aging evaluation from respectively wanting cannot obtain defeated data can be carried out.
And, aging face index in the aging face index of individual and data base can be compared, thus can aging evaluation be carried out, and, aging face index before and after the aging products of same people can being used compares, thus comprehensively can provide the efficacy assessments of aging products objectively.
The aging evaluation methodology of one according to the present invention, described method comprises, and the data measured and aging face index is reflected in the data base of structure new tested object, thus more new database, thus the accuracy of result can be improved further.
Detailed description of the invention
Below, by following examples, in further detail the present invention will be described.But the present invention is not limited to following embodiment.
Test example 1: the assay method of wrinkle of skin, skin elasticity and skin sagging
Take tested object as object, after washing one's face with fancy soap, under constant temperature and humidity condition (20 DEG C, RH40%), make after skin adapts to 15 minutes, to measure wrinkle of skin, skin elasticity and skin sagging.
For face skin wrinkle, take canthus as benchmark, use silicon polymer (brand name SILFLO, J & S Davis (J & S Davis), Britain) make skin simulation experiment plate, and use analytical tool (Visioline VL650, CK company (Courage+Khazaka ele ctronic GmbH), Germany) to measure wrinkle area.For skin of face elastic force, by the upper end using skin elasticity analyzer (Cutometer MPA580, German CK company, Germany) to determine optical fundus and cheek.Sagging for skin of face, after shooting overall face photo, skin sagging degree to be divided into 5 grades to carry out evaluating (numeral of grade less show more do not have sagging) by expert.
The sagging grade of face is on 45 degree, the positive side of tested object face, utilizes the reticulate pattern at 2mm interval to equip
take pictures, to produce equal pitch contour at whole face, and using the reticulate pattern direction that occurs in the top of facial cheek as benchmark, measure by first, the width of the ellipse that second equal pitch contour is formed, thus judge sagging.The clearance ratio of sagging minimum the first estate is less than 107, the clearance ratio of the second grade is more than 107 and is less than 120, the clearance ratio of the tertiary gradient is more than 120 and is less than 130, and the clearance ratio of the fourth estate is more than 130 and is less than 151, and the clearance ratio of the 5th grade is more than 151.
Test example 2: the structure of data base
Using the women in 231 20-65 years as object, according to described test example 1, determine face skin wrinkle, skin elasticity and skin sagging.
In order to described face skin wrinkle can be reflected equably, numerical value between the mutual different mensuration factors of skin elasticity and skin sagging, use normal distribution (the NORMDIST) (analog value of Microsoft Excel 2007 program, meansigma methods, standard deviation, 1) function, and consider meansigma methods and the standard deviation of each data, thus cumulative distribution function value when being transformed to normal distribution and after carrying out standardization, consider the described standardized value of each data and the dependency at age, and utilize statistical disposition program expert data statistical software (IBM SPSS Statistics (the linear regression analysis function of 20.0 (IBM), thus calculate standardized wrinkle, elastic force, sagging numerical value is independent variable, age is as the linear regression formula of dependent variable, thus derive the computing formula of the aging face index of following mathematical expression 1.The value higher expression degree of aging of described aging face index is lower.
[mathematical expression 1]
(the comprehensive ageing index of face)
((the 1-standardization ((-7.522* carries out standardized numerical value+7.768* to elastic force measured value and carries out standardized numerical value+9.985* to wrinkle measured value and carry out standardized numerical value+34.317 to sagging measured value) * 300) of=integer
※ integer: for the number after arithmetic point, round up.
Utilize described mathematical expression 1, calculate the aging face index of the women in described 20-65 year, and shown in following table 1 meansigma methods of Different age group.
Table 1
| Age bracket | The meansigma methods of aging face index |
| 20 years old age brackets | 231.8 |
| 30 years old age brackets | 188.4 |
| 40 years old age brackets | 90.2 |
| 50 years old age brackets | 63.4 |
| 60 years old age brackets | 47.3 |
Test example 3: aging face improves efficacy assessments
Using 22 women (average 43.04 years old) as object, according to the same when usually using aging resistance cosmetics, use 8 weeks aging products (conspicuous draw defying age (HERA Age Away)).
Before the use of described product and after bringing into use 8 weeks, respectively according to described test example 1, measure wrinkle of skin, skin elasticity and skin sagging.By the numerical value measured, use normal distribution (NORMDIST) (analog value, meansigma methods, standard deviation, the 1) function of Micr osoft Excel 2007 program, and consider meansigma methods and the standard deviation of each data, thus cumulative distribution function value when being transformed to normal distribution and after carrying out standardization, the aging face exponential formula of described mathematical expression 1 is utilized to calculate, and after calculating the meansigma methods of described 22, its result shown in following table 2.
Table 2
| Before using aging products | After bringing into use aging products 8 weeks | |
| Aging face index average | 149.9 | 213.5 |
In the result of described table 2, can confirm that facial ageing index increases 213.5 from 149.9 before product use, degree of aging is improved.
Test example 4: according to the age bringing into use basic cosmetics, aging face degree analyzing
To 231 20 ~ 65 years old tested objects of described test example 2, investigate them with questionnaire form and bring into use basic cosmetics (the white class of repairing for Basic skin outside color make-up, emulsion, astringent, facial film or cleansing milk etc.) age, and according to bringing into use the age of basic cosmetics, with 5 years old for interval is divided into after many groups, using more than 15 years old to being less than the group brought into use for 20 years old and more than 30 years old to being less than the group brought into use for 35 years old as object, with each wrinkle of skin calculated in described test example 2, skin elasticity and skin sagging standardization index and aging face index are compared, and shown in following table 3 its result.
Table 3
The wrinkle of practical measurement or elastic force, sagging result, although numerically have actual change, but more than 15 years old, to bringing into use the test group of basic cosmetics and more than 30 years old to the test group brought into use when being less than 35 years old when being less than 20 years old, does not find significant difference (p>0.05) statistically.But, during the aging face index display obtained to utilize these mensuration numerical computations, can confirm that there is remarkable result (p<0.05) statistically, thus the impact of bringing into use the age to produce according to cosmetics can be confirmed, to elastic force and wrinkle and sagging, all comprehensive impact can be brought.
Claims (7)
1. a skin aging evaluation methodology, described evaluation methodology comprises:
A) step of the wrinkle of tested object face, skin elasticity and skin sagging is measured; And
B) described measurement result is quantized, thus calculate the step of aging face index.
2. skin aging evaluation methodology according to claim 1, is characterized in that, the step that calculates of described aging face index comprises:
B-1) measure wrinkle, skin elasticity and the skin sagging of face, and its result is carried out the step that quantizes;
B-2) to multidigit tested object, repeatedly described A is carried out) step, thus accumulate the step of the result of the wrinkle of described face, skin elasticity and skin sagging; And
B-3) step by utilizing the result of described accumulation to derive the computing formula of aging face index; And
B-4) by utilizing described computing formula to calculate aging face index, thus the step in aging face exponent data storehouse is built.
3. skin aging evaluation methodology according to claim 2, is characterized in that, the step that calculates of described aging face index comprises further:
B-5) to new tested object, repeatedly carry out described b-1) to b-4) step, thus upgrade the computing formula of described aging face index, and upgrade and build the step in described aging face exponent data storehouse.
4. the skin aging evaluation methodology according to Claims 2 or 3, is characterized in that, described method comprises further:
C) by step that the aging face index in the data base of the described aging face index that calculates and described structure compares.
5. skin aging evaluation methodology according to claim 1, is characterized in that, the wrinkle of described face is measured by the area of eye wrinkle-removing.
6. skin aging evaluation methodology according to claim 1, is characterized in that, the skin elasticity of described face is realized by the elastic force of mensuration cheek.
7. skin aging evaluation methodology according to claim 1, is characterized in that, described face is sagging is measured by shooting mug shot, and by the photo of described shooting, evaluates by grade skin sagging.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120135057A KR102121552B1 (en) | 2012-11-27 | 2012-11-27 | Method for evaluating facial skin aging |
| KR10-2012-0135057 | 2012-11-27 | ||
| PCT/KR2013/010854 WO2014084602A1 (en) | 2012-11-27 | 2013-11-27 | Method for evaluating facial aging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104640503A true CN104640503A (en) | 2015-05-20 |
| CN104640503B CN104640503B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380047593.0A Expired - Fee Related CN104640503B (en) | 2012-11-27 | 2013-11-27 | Method for evaluating facial aging |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102121552B1 (en) |
| CN (1) | CN104640503B (en) |
| WO (1) | WO2014084602A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102523871B1 (en) | 2015-12-04 | 2023-04-20 | 엘지전자 주식회사 | Terminal for measuring skin and method for controlling the same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10248813A (en) * | 1997-03-11 | 1998-09-22 | Pola Chem Ind Inc | Differentiation method for skin state |
| CN1781448A (en) * | 1999-06-14 | 2006-06-07 | 宝洁公司 | Skin imaging and analysis system and method |
| CN1878499A (en) * | 2003-11-13 | 2006-12-13 | 荷兰联合利华有限公司 | Method and system for characterizing tactile perception |
| WO2008003146A2 (en) * | 2006-07-03 | 2008-01-10 | Ilan Karavani | Method for determination of the type of skin of the face of a person and method for the determination of the aging of the skin of person' s face. |
| CN101755288A (en) * | 2007-07-23 | 2010-06-23 | 宝洁公司 | Method and apparatus for realistic simulation of wrinkle aging and de-aging |
| KR20110026321A (en) * | 2009-09-07 | 2011-03-15 | (주)아모레퍼시픽 | Method and kit for assessment of the neck skin age |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000201899A (en) * | 1999-01-11 | 2000-07-25 | Kao Corp | Display method for skin state |
| KR20050058783A (en) * | 2003-12-12 | 2005-06-17 | 에이징스탑 주식회사 | System for measuring biological age and service method thereof |
| KR20060131154A (en) * | 2005-06-15 | 2006-12-20 | 주식회사 리얼 에이지 | System for measuring biological age and service method thereof |
| JP2010119428A (en) | 2008-11-17 | 2010-06-03 | Shiseido Co Ltd | Method, apparatus and program for analyzing skin state, and recording medium having the program recorded therein |
| KR20100091038A (en) * | 2009-02-09 | 2010-08-18 | 손정영 | A method of measuring skin aging |
-
2012
- 2012-11-27 KR KR1020120135057A patent/KR102121552B1/en active IP Right Grant
-
2013
- 2013-11-27 CN CN201380047593.0A patent/CN104640503B/en not_active Expired - Fee Related
- 2013-11-27 WO PCT/KR2013/010854 patent/WO2014084602A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10248813A (en) * | 1997-03-11 | 1998-09-22 | Pola Chem Ind Inc | Differentiation method for skin state |
| CN1781448A (en) * | 1999-06-14 | 2006-06-07 | 宝洁公司 | Skin imaging and analysis system and method |
| CN1878499A (en) * | 2003-11-13 | 2006-12-13 | 荷兰联合利华有限公司 | Method and system for characterizing tactile perception |
| WO2008003146A2 (en) * | 2006-07-03 | 2008-01-10 | Ilan Karavani | Method for determination of the type of skin of the face of a person and method for the determination of the aging of the skin of person' s face. |
| CN101755288A (en) * | 2007-07-23 | 2010-06-23 | 宝洁公司 | Method and apparatus for realistic simulation of wrinkle aging and de-aging |
| KR20110026321A (en) * | 2009-09-07 | 2011-03-15 | (주)아모레퍼시픽 | Method and kit for assessment of the neck skin age |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102121552B1 (en) | 2020-06-11 |
| CN104640503B (en) | 2017-05-10 |
| WO2014084602A1 (en) | 2014-06-05 |
| KR20140067597A (en) | 2014-06-05 |
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