CN110096936A - Assess the method and its application of eye apparent age, eye aging degree - Google Patents
Assess the method and its application of eye apparent age, eye aging degree Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 98
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- 208000023275 Autoimmune disease Diseases 0.000 description 1
- 208000004130 Blepharoptosis Diseases 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
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
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- G06V40/161—Detection; Localisation; Normalisation
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/178—Human faces, e.g. facial parts, sketches or expressions estimating age from face image; using age information for improving recognition
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Abstract
The invention discloses the method and its application of assessment eye apparent age, eye aging degree.The method comprising the steps of: (1) acquiring the mug shot of multiple interviewees；(2) lengthy calibration and analysis are carried out to the image of the photo of acquisition, obtains x2And x3Value or x3And x4Value or x2、x3And x4Value or x1、x2、x3And x4Value；Wherein, x1For endocanthion point to the linear distance for outer canthus point；x2For the length of upper eyelid lower edge；x3For eyelid buccal groove horizontal tangent point of contact to interior outer canthus line midpoint distance；x4For the angle degree of interior outer canthus line and face middle line；(3) according to the actual age y ' of interviewee and gained x1、x2、x3And/or x4Value carries out analysis of regression model；(4) the eye apparent age y of the evaluated person is calculated according to gained regression equation.The especially Asian eye apparent age of people from each department and aging degree, and good reliability can be quantitatively evaluated in this method.
Description
Technical field
The present invention relates to the method and its application of assessment eye apparent age, eye aging degree.
Background technique
Soft tissue and concave-convex skeletal support skin texture, make eye part skin show distinctive profile.With the age
Growth, support the tissue of skin to die down, under the effect of gravity, eye soft tissue sagging, occur such as eye pouch, eye inclination eye
Portion's aging feature.Compared with westerner's eyelid, Asian eyelid possesses fatty under more subcutaneous fats and orbicular muscle of eye, eye
Portion is affected by gravity may be more serious.Eye aging can by following the string, thinning of skin, eye circumference wrinkle, canthus it is sagging,
Eye pouch, eye-length, eyelid inclination, eyelid length and eye inclination etc. characterize.
Currently on the market, the cosmetics for resisting eye aging are varied, but how to evaluate eye apparent age, such as
What improvement of the assessment cosmetics to eye apparent age? clinically please generally there be the assessment personage of correlation experience to eye photo
The vision age is assessed, but assessing the objectivity of the assessment of personage is influenced very big by personal assessment is horizontal, can not be done
The result assessed to different evaluators is consistent or close.
Patent CN 107315987 discloses the method and its application for assessing facial apparent age, facial aging degree, but
Be eye aging be face occur aging it is earliest performance (Yang Wenhua, Qin Yi, Zhang Weiping cut mentions eyebrow combine aging lower eyelid blepharoptosis reduction
Art improves the appliance experience China aesthetic medicine of eye circumference aging, 2010,11 (11): 1617-1618), eye plays overall impression
To very important influence, researcher is attempted using " facial youth curve " disclosed in patent CN 107315987 to eye table
See the age assessed, although in " facial youth curve " include eye middle line below eyelid and cheek point of interface (eye middle line with
The intersection point of eyelid buccal groove) feature, but be the absence of other eye aging features, and " facial youth curve " assessment be in face under
Portion region (palpebral fissure is with lower portion) simultaneously can not be applied to complete ocular, and " facial youth curve " can not accurately be assessed whole
The apparent age of a ocular.Therefore, the method that each department eye apparent age can be quantitatively evaluated by researching and developing one kind becomes very
It is important.
Summary of the invention
Technical problem solved by the invention is to overcome is not present objective quantitative evaluator eye state in the prior art
Method and the existing method for assessing facial apparent age and subjective evaluation human eye portion state method for assessing eye
Error is big when apparent age, defect of poor reproducibility, and provide assessment eye apparent age, eye aging degree method and
It is applied.
The invention proposes the methods that eye apparent age, eye aging degree is quantitatively evaluated, and define one from just
The eye youth curve that face is observed.The eye youth curve starting point is clear, research site is clear, is suitable for assessment each department
People, especially Asian eye apparent age, and the cleaning and nursing product for reasonably selecting eye and improvement eye flesh
Skin has important directive function.
The present invention provides a kind of methods (hereinafter referred to as method I) for assessing eye apparent age, and the method includes such as
Lower step:
(1) mug shot of multiple interviewees is acquired, the angle of the acquisition is centered on the facial bridge of the nose of interviewee
Line is in 0~45° angle with vertical plane where the center line；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x2And x3Value；
The x2For the length of upper eyelid lower edge, unit cm；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
(3) according to the actual age y ' of multiple interviewees and gained x2、x3Value, to y ' and x2And x3Carry out regression model
Analysis, obtains regression equation I:y '=b+a2x2+a3x3；
(4) x of an evaluated person is measured2And x3Value calculate the evaluated person's according to the regression equation Formulas I
Eye apparent age y, y=b+a2x2+a3x3。
The present invention also provides it is a kind of assess eye apparent age method (hereinafter referred to as method II), the method includes
Following steps:
(1) mug shot of multiple interviewees is acquired, the angle of the acquisition is centered on the facial bridge of the nose of interviewee
Line is in 0~45° angle with vertical plane where the center line；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x3And x4Value；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
The x4For the angle degree of interior outer canthus line and face middle line, unit °；
Wherein, the face middle line is ophryon, nose, in people and the line of lip pearl；
(3) according to the actual age y ' of multiple interviewees and gained x3And x4Value, to y ' and x3And x4Carry out regression model
Analysis, obtains regression equation II:y '=b+a3x3+a4x4；
(4) x of an evaluated person is measured3And x4Value the evaluated person is calculated according to the regression equation Formula II
Eye apparent age y, y=b+a3x3+a4x4。
The present invention also provides a kind of method (hereinafter referred to as method III) for assessing eye apparent age, the method packets
Include following steps:
(1) mug shot of multiple interviewees is acquired, the angle of the acquisition is centered on the facial bridge of the nose of interviewee
Line is in 0~45° angle with vertical plane where the center line；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x2、x3And x4's
Value；
The x2For the length of upper eyelid lower edge, unit cm；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
The x4For the angle degree of interior outer canthus line and face middle line, unit °；
Wherein, the face middle line is ophryon, nose, in people and the line of lip pearl；
(3) according to the actual age y ' of multiple interviewees and gained x2、x3And x4Value, to y ' and x2、x3And x4It is returned
Return model analysis, obtains regression equation III:y '=b+a2x2+a3x3+a4x4；
(4) x of an evaluated person is measured2、x3And x4Value described is commented is calculated according to the regression equation formula III
Eye the apparent age y, y=b+a for the person of estimating2x2+a3x3+a4x4。
The present invention also provides it is a kind of assess eye apparent age method (hereinafter referred to as method IV), the method includes
Following steps:
(1) mug shot of multiple interviewees is acquired, the angle of the acquisition is centered on the facial bridge of the nose of interviewee
Line is in 0~45° angle with vertical plane where the center line；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x1、x2、x3And
x4Value；
The x1For endocanthion point to the linear distance for outer canthus point, unit cm；
The x2For the length of upper eyelid lower edge, unit cm；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
The x4For the angle degree of interior outer canthus line and face middle line, unit °；
Wherein, the face middle line is ophryon, nose, in people and the line of lip pearl；
(3) according to the actual age y ' of multiple interviewees and gained x1、x2、x3And x4Value, to y ' and x1、x2、x3And x4Into
Row analysis of regression model obtains regression equation IV:y '=b+a1x1+a2x2+a3x3+a4x4；
(4) x of an evaluated person is measured1、x2、x3And x4Value calculates described commented according to the regression equation formula IV
Eye the apparent age y, y=b+a for the person of estimating1x1+a2x2+a3x3+a4x4。
In the step of the method I~IV (1), the acquisition equipment of the mug shot can be face commonly used in the art
Portion photo acquisition equipment, such as single-lens reflex camera, card camera etc., as long as its face features that can clearly acquire interviewee.
Wherein, to collect clearly face mug shot, those skilled in the art conventional selection can use sudden strain of a muscle according to the actual situation
Light lamp or constant light source.Those skilled in the art know that same acquisition should be used in a series of face eye research process
Equipment uses the same angle of same acquisition mode progress face face (using the bridge of the nose as center line, to hang down with where the center line
Straight plane is within the scope of 0~45° angle) photo acquisition.
Preferably, the mug shot acquisition equipment is what U.S. Canfield Scientific, Inc. company provided
Visia-CR face-image analyzer.The Visia-CR face-image analyzer is when acquiring the frontal face photo of interviewee
It is preferably carried out using parallel-polarization mode, preferably to show the feature of face face.
In the step of the method I~IV (1), when acquiring the frontal face photo, preferably using built in equipment
Scale bar correction photo pixel and length between relationship.
In the step of the method I~IV (1), number of samples those skilled in the art of the interviewee can be according to routine
The number of samples for establishing analysis of regression model is selected, more than generally 4 people, more than preferably 24 people, to meet clinic
Requirement to interviewee's normal distribution understands that number is The more the better for establishing regression model according to those skilled in the art, because
And the upper limit can not be set.
In the step of the method I~IV (1), the interviewee can be the people of global any one location, as long as its facial nothing
Disease, scar, did not did face or operated eye or non-obesity, preferably same region, same ethnic group, same
One property others, be more preferably Asia yellow race crowd women, be most preferably CHINESE REGION yellow race crowd women.This field skill
Art personnel according to common knowledge and actual content of the present invention know evaluated person in step (4) with it is interviewed in step (1)
It can be different individuals that person, which belongs to same region, same ethnic group, the other crowd of identity, but the two,.Wherein, the region is pressed
It can be set as according to existing national zoning, as unit of country according to the conventional general upper limit in this field；The ethnic group art technology
Personnel know to refer to generally will be global existing in essentialism mode (i.e. using constitutive character as standard) from biology angle
The four big ethnic groups divided for the mankind: the European race (the also known as white race or Caucasian or Eurasian ethnic group), the Mongolian race
(the also known as yellow race or sub- beauty's kind), Negroid (also known as black race or equator ethnic group) and austroloid is (again
Claim Oceania ethnic group or brown race), it is commonly called as white people, yellow, black race and brown kind of people；The gender include male and
Women.
In the step of the method I~IV (2), image analysis software, the figure is can be used in the mode of the lengthy calibration
As analysis software can be image analysis software commonly used in the art, as long as its calibration function and line with image length with
Angle calcu-lation function between line.Preferably, described image analysis software is the U.S. Media Cybernetics, Inc.
7.0 image analysis software of Image-Pro Plus that company provides.
In the step of the method I~IV (3), the method for the analysis of regression model is model commonly used in the art
Analysis method, to determine the variation relation between dependent variable and independent variable.Those skilled in the art know how according to this
The dependent variable y ' and independent variable x of invention1、x2、x3And/or x4Establish regression model.
In the step of the method I~IV (3), the method for building up of the regression equation is conventional method in that art, this
Field technical staff, which knows how to calculate, obtains regression equation, and knows each independent variable in the regression equation finally obtained
Preceding coefficient and intercept constant can be within the scope of the reasonable error of analysis of regression model.Preferably, the regression equation can
It is obtained using 20.0 Data Analysis Software of SPSS Statistics.
In the step of the method I~IV (3), it may also include the step of testing to each regression model established,
The inspection can be carried out according to conventional method in that art, such as coefficient of determination method of inspection (R inspection), regression equation significance test
(F inspection) and regression coefficient significance test (t inspection).
In the step of the method I~IV (4), in the calculation formula of the eye apparent age, before each independent variable is
Several and intercept constant can be different according to factors such as quantity, region, ethnic group, the genders of acquisition crowd, but those skilled in the art
Member knows that same crowd, i.e., same region, same ethnic group, identity should be selected in a series of face eye research process
Other crowd knows that method having thus described the invention can be determined clearly for different crowd those skilled in the art
Coefficient and intercept constant in each crowd's eye apparent age calculation formula before independent variable.
In the method I, when the interviewee is Chinese women, the eye apparent age of the interviewee can be according to equation
Y=-13.14+1.17x2+28.16x3It calculates and obtains, wherein the coefficient in equation before each independent variable and intercept constant can return
Return within the scope of the reasonable error of model analysis, such as in ± 30% range.
In the method II, when the interviewee is Chinese women, the eye apparent age of the interviewee can be according to side
Journey y=-55.35+27.05x3+0.52x4It calculates and obtains, wherein the coefficient in equation before each independent variable and intercept constant can be
Within the scope of the reasonable error of analysis of regression model, such as in ± 30% range.
In the method III, when the interviewee is Chinese women, the eye apparent age of the interviewee can be according to side
Journey y=-59.75+1.57x2+26.77x3+0.53x4It calculates and obtains, wherein the coefficient in equation before each independent variable and intercept constant
It can be within the scope of the reasonable error of analysis of regression model, such as in ± 30% range.
In the method IV, when the interviewee is Chinese women, the eye apparent age of the interviewee can be according to side
Journey y=-59.95-15.34x1+15.87x2+27.07x3+0.55x4It calculates and obtains, wherein the coefficient in equation before each independent variable
It can be within the scope of the reasonable error of analysis of regression model, such as in ± 30% range with intercept constant.
In the present invention, the endocanthion point, outer canthus point, upper eyelid, eyelid buccal groove, glabella, nose, in people and lip pearl is this
Field technical term, those skilled in the art know the specific site that above-mentioned position is determined from biology angle, and according to this
Eye youth curve of the present invention can be determined clearly in the foregoing description of invention.
In the present invention, the x1、x2And x3The distance and x of expression4Angle those skilled in the art of expression are according to the present invention
Description and common knowledge can be determined clearly, wherein x1、x2、x3And x4Site also can be found in the schematic diagram of attached drawing 2.
In the present invention, for convenient for refer to, the curve that the curve surrounded by endocanthion point, lines 1, outer canthus point, lines 2 is linked to be
It is defined as eye youth curve.Wherein, the lines 1 are to reach the lines that outer canthus point is linked to be from endocanthion point along upper eyelid lower edge,
Or endocanthion point reaches the rectilinear strip that outer canthus point is linked to be；The lines 2 are to reach endocanthion point down along eyelid buccal groove from outer canthus point to connect
At lines.The eye youth curve can be found in 3 example of attached drawing.
The present invention also provides a kind of methods for assessing eye aging degree, include the following steps:
(1) using it is described assessment eye apparent age method I, method II, method III or method IV to sample population into
Row assessment, the sample population contain multiple evaluated persons, obtain the apparent age of each evaluated person；
(2) apparent age obtained by a certain evaluated person and its actual age are subjected to paired t-test, obtain significance analysis
P value, if p < 0.05, determine gained eye apparent age with actual age there are significant differences；If p >=0.05 is sentenced
There was no significant difference with actual age for the eye apparent age of the fixed evaluated person.
In step (2), the paired t-test can be carried out according to conventional method in that art, preferably can be used U.S. IBM public
20.0 Data Analysis Software of SPSS Statistics that department provides carries out.
The present invention also provides the methods of the method for the assessment eye apparent age and the assessment eye aging degree
Application in the effect of evaluating cosmetics and/or nursing means act on eye skin.
Wherein, the cosmetics can be the cosmetics for eye-care of this field routine, such as eye cream, can be used for eye
The face cream or eye patch in portion.
Wherein, the nursing means can be the nursing means of this field routine, such as ocular region massaging.
Wherein, the operation that the cosmetics or nursing means act on that eye skin is evaluated can be according to the normal of this field
Method and condition is advised to carry out.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The reagents and materials used in the present invention are commercially available.
The positive effect of the present invention is that:
(1) eye youth CURVE STUDY site of the invention is clear, is suitable for assessment people from each department, especially Asia women
Eye aging state, and find that can be used for evaluating the aging feature of apparent age include: eye pouch (palpebra inferior region), eye to eye
Portion tilts (eye areas), ptosis (upper eyelid region), it is seen that Fig. 1.
(2) method of present invention assessment eye apparent age has generality, evaluates objective and favorable reproducibility.
(3) method of present invention assessment eye apparent age, which acts on evaluation cosmetics, improves eye skin test
Effect has important directive function.
Detailed description of the invention
Fig. 1 is the schematic diagram that can be used for evaluating the eye aging feature of eye apparent age.
Fig. 2 is x of the present invention1、x2、x3And x4The schematic diagram in site, wherein 1 indicates x1For endocanthion point to the straight line for outer canthus point
Distance, 2 indicate upper eyelid lower edges length, 3 indicate eyelid buccal groove horizontal tangents point of contact to interior outer canthus line midpoint distance, 4
The angle of outer canthus line and face middle line in indicating.
Fig. 3 is " natural hall deodar essential oil face living drives age bright eyes eye cream " to the improvement result exemplary diagram of eye youth curve.
Left figure is before use, right figure is using rear.
Fig. 4 is the significance analysis result that embodiment 4 improves that the mixed linear model in eye skin test application is examined
Compare figure, " * " indicates p < 0.05.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient
The selection of product specification.
In following embodiments, mug shot used acquisition equipment Visia-CR by U.S. Canfield Scientific,
Inc. company provides；For image analysis software Image-Pro Plus 7.0 used by U.S. Media Cybernetics, Inc. is public
Department provides；Data Analysis Software SPSS Statistics 20.0 used is provided by IBM Corporation, the U.S..
Embodiment 1
Four kinds of methods of assessment eye apparent age are present embodiments provided, i.e. method I~method IV is specifically included as follows
Step:
(1) interviewee chooses health, develops normal, handsome Chinese women, and there are maxillofacial diseases, scar for exclusion
Trace, operation on face, obesity or other people that may interfere with research；Interviewee was grouped according to every 10 years old age bracket
(20~29 years old, 30~39 years old, 40~49 years old and 50~60 years old), about 50 people of each group of people amount to 229 interviewees；Interviewee
After the property, purpose and research contents for fully understanding research, informed consent form is filled in；Before acquiring photo, each interviewee is needed
First sufficiently cleaning is facial, rests 15 minutes in the room that condition is set as 22 ± 2 DEG C of temperature and relative humidity 50-60%；
Then it is acquired respectively respectively using the parallel-polarization mode of facial photo acquisition equipment Visia-CR
The frontal face photo of interviewee (is in 0 ° with vertical plane where the center line i.e. using the facial bridge of the nose of interviewee as center line
Angle), using the scale bar built in equipment when shooting；
(2) length school is carried out to the image of the photo of acquisition respectively using 7.0 image analysis software of Image-Pro Plus
Standard is associated image pixel with length, and angle analysis and the length analysis of eye youth curve are then carried out to image, is obtained
To x1、x2、x3And x4Value, shown in table 1 specific as follows；
Wherein, eye youth curve is as shown in Fig. 2, the song surrounded for endocanthion point, lines 1, outer canthus point, eyelid lines 2
Line, including upper eyelid region, palpebra inferior region and eyelid bag region；
Wherein, lines 1 are to reach the lines or endocanthion point arrival outer canthus that outer canthus point is linked to be from endocanthion point along upper eyelid lower edge
The rectilinear strip that point is linked to be；
Lines 2 are to reach the lines that endocanthion point is linked to be from outer canthus point down along eyelid buccal groove；
Wherein, x1For endocanthion point to the linear distance for outer canthus point, unit cm；x2For the length of upper eyelid lower edge, unit
cm；x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；x4For in interior outer canthus line and face
The angle degree of line, unit °；
The x of 1 each age group interviewee of table1、x2、x3And x4Value
(3) according to the actual age y ' of each interviewee and gained x1、x2、x3、x4Value, carries out recurrence mould according to following 4 modes
Type analysis, and R inspection, F inspection and t are carried out to the regression model established and examined, obtain regression equation:
Mode I, to y ' and x2And x3Analysis of regression model is carried out, y ' and x are obtained2And x3For linear regression, coefficient R
Value is 0.702, illustrates that the variation of y ' is largely explained that degree of fitting is preferable by regression equation, wherein R value is closer to 1, recurrence side
Cheng Yue is good；F inspection is carried out to above-mentioned regression model using method of analysis of variance (ANOVA), the F value of model be 109.61, p <
0.001, illustrate y ' and x2And x3Between with above-mentioned model carry out return have statistical significance, show the present invention in y ' and x2With
x3Between the regression equation established there is generality, and validity is good；T inspection is carried out to above-mentioned regression model, p value < 0.001 is said
This bright 2 factors all have remarkable effect, and obtain regression equation I:y=-13.14+1.17x2+28.16x3；
Mode II, to y ' and x3And x4Analysis of regression model is carried out, y ' and x are obtained3And x4For linear regression, coefficient R
Value is 0.711, illustrates that the variation of y ' is largely explained that degree of fitting is preferable by regression equation, wherein R value is closer to 1, recurrence side
Cheng Yue is good；F inspection is carried out to above-mentioned regression model using method of analysis of variance (ANOVA), the F value of model be 115.42, p <
0.001, illustrate y ' and x3And x4Between with above-mentioned model carry out return have statistical significance, show the present invention in y ' and x3With
x4Between the regression equation established there is generality, and validity is good；T inspection is carried out to above-mentioned regression model, p value < 0.001 is said
This bright 2 factors all have remarkable effect, and obtain regression equation II:y=-55.35+27.05x3+0.52x4；
Mode III, to y ' and x2、x3And x4Analysis of regression model is carried out, y ' and x are obtained2、x3And x4For linear regression, phase
Closing coefficients R value is 0.711, illustrates that the variation of y ' is largely explained that degree of fitting is preferable by regression equation, wherein R value closer to 1,
Regression equation is better；F inspection is carried out to above-mentioned regression model using method of analysis of variance (ANOVA), the F value of model be 76.83, p <
0.001, illustrate y ' and x2、x3And x4Between with above-mentioned model carry out return have statistical significance, show the present invention y ' with
x2、x3And x4Between the regression equation established there is generality, and validity is good；To above-mentioned regression model carry out t inspection, p value <
0.001, illustrate that this 3 factors all have remarkable effect, and obtain regression equation III:y=-59.75+1.57x2+26.77x3
+0.53x4；
In mode IV, to y ' and x1、x2、x3And x4Analysis of regression model is carried out, y ' and x are obtained1、x2、x3And x4Linearly to return
Return, coefficient R value 0.713, illustrates that the variation of y ' is largely explained that degree of fitting is preferable, wherein R value is got over by regression equation
Close to 1, regression equation is better；F inspection is carried out to above-mentioned regression model using method of analysis of variance (ANOVA), the F value of model is
57.931, p < 0.001, illustrate y ' and x1、x2、x3And x4Between return with above-mentioned model there is statistical significance, show this
Invention is in y ' and x1、x2、x3And x4Between the regression equation established there is generality, and validity is good；Above-mentioned regression model is carried out
T is examined, and p value < 0.001 illustrates that this 4 factors all have remarkable effect, and obtains regression equation IV:y=-59.95-
15.34x1+15.87x2+27.07x3+0.55x4；
(4) according to above-mentioned resulting 5 regression equations, the apparent of assessment Chinese women is calculated according to following formula respectively
Age y,
Formula I, y=-13.14+1.17x2+28.16x3；
Formula II, y=-55.35+27.05x3+0.52x4；
Formula III, y=-59.75+1.57x2+26.77x3+0.53x4；
Formula IV, y=-59.95-15.34x1+15.87x2+27.07x3+0.55x4。
Embodiment 2
The method for present embodiments providing assessment eye apparent age, including method I~method IV, the specific steps are as follows:
(1) be evaluated person and choose health, normal, the handsome Chinese women of development, exclude there are maxillofacial disease,
Scar, operation on face, obesity or other people that may interfere with research；28 interviewees are chosen altogether；Person is evaluated abundant
After understanding the property, purpose and research contents of research, informed consent form is filled in；Before acquiring photo, each evaluated person need to first fill
Face cleaning portion is distinguished, is rested 15 minutes in the room that condition is set as 22 ± 2 DEG C of temperature and relative humidity 50-60%；
Then it is acquired respectively respectively using the parallel-polarization mode of facial photo acquisition equipment Visia-CR
The frontal face photo of interviewee (is in 0 ° with vertical plane where the center line i.e. using the facial bridge of the nose of interviewee as center line
Angle), using the scale bar built in equipment when shooting；
(2) length school is carried out to the image of the photo of acquisition respectively using 7.0 image analysis software of Image-Pro Plus
Standard is associated image pixel with length, and angle analysis and the length analysis of youth curve are then carried out to image, is obtained
x1、x2、x3And x4Value, shown in table 2 specific as follows；
Wherein, eye youth curve is as shown in Fig. 3, for the curve that endocanthion point, lines 1, outer canthus point, lines 2 surround,
Including upper eyelid region, palpebra inferior region and eyelid bag region；
Wherein, lines 1 are to prolong upper eyelid lower edge from endocanthion point to reach the lines or endocanthion point arrival outer canthus that outer canthus point is linked to be
The rectilinear strip that point is linked to be；
Lines 2 are to reach the lines that endocanthion point is linked to be from outer canthus point to downward eyelid buccal groove.
Wherein, x1For endocanthion point to the linear distance for outer canthus point, unit cm；x2For the length of upper eyelid lower edge, unit
cm；x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；x4For in interior outer canthus line and face
The angle degree of line, unit °；
(3) according to 1 resulting 4 regression equation of embodiment, each evaluated person is calculated according to following 4 formula respectively
Apparent age y；
Formula I, y=-13.14+1.17x2+28.16x3；
Formula II, y=-55.35+27.05x3+0.52x4；
Formula III, y=-59.75+1.57x2+26.77x3+0.53x4；
Formula IV, y=-59.95-15.34x1+15.87x2+27.07x3+0.55x4, concrete outcome is as shown in 2 under table.
The eye apparent age assessment result of each evaluated person of table 2
Effect example 1
This effect example verifies the reliability of the method for present invention assessment eye apparent age, specially will
The result and this field that embodiment 2 assesses evaluated person's eye apparent age using method I~tetra- kinds of method IV method
Expert's assessment result compares.
Wherein, expert evaluating method is specially to carry out apparent age assessment to the eye of 28 evaluated persons in embodiment 2.
Before assessment, equally first by the sufficiently cleaning of the face of each evaluated person, and it is set as 22 ± 2 DEG C of temperature and relative humidity in condition
It rests 15 minutes in the room of 50-60%.Specific assessment result control is as shown in table 6 below.
Each evaluated person's eye apparent age assessment result of 3 embodiment of table 2 and expert's assessment result table of comparisons
Table data in observation are it is found that the apparent age and expert assessed using 2 method of the embodiment of the present invention are assessed and tied
Fruit is almost the same, and the method reliability of preliminary judgement present invention assessment eye apparent age is preferable.For further quantitative verification sheet
The reliability of invention appraisal procedure, this effect example is to apparent age (the formula I, public affairs being calculated using 2 method of embodiment
Formula II, formula III, formula IV) apparent age assessed with expert carried out paired t-test, obtain the p of significance analysis
Value.If p < 0.05, determine that the apparent age of the apparent age that the present invention calculates and expert's assessment has significant difference, the two is commented
It is inconsistent to estimate result；If p >=0.05, determine the apparent age that the present invention calculates and the apparent age that expert assesses without conspicuousness
Difference, the two assessment result are consistent.The following table 7 lists the apparent age of two ways assessment and the paired t-test of actual age
As a result.
The eye apparent age of 4 two ways of table assessment and the paired t-test result of eye actual age
In upper table, the apparent age (formula I, formula II, formula III, formula IV) that the method for the present invention calculates is commented with expert
P value >=0.05 obtained by the apparent age paired t-test estimated illustrates the apparent year of the apparent age that the present invention calculates and expert's assessment
Age, there was no significant difference, and the two assessment result is consistent, it was demonstrated that the eye apparent age of evaluated person is assessed using the method for the present invention
Or eye aging degree is feasible, and good reliability.
Embodiment 3
The method for present embodiments providing assessment eye aging degree, the specific steps are as follows:
(1) practical using eye of the Data Analysis Software SPSS Statistics 20.0 to Chinese women in embodiment 2
Age and the resulting eye apparent age of assessment carry out paired t-test, obtain the p value of significance analysis；
(2) if p < 0.05, the eye apparent age and eye actual age of the group have significant difference, determine evaluated
The eye apparent age conspicuousness of person is less than actual age；If p >=0.05, the apparent age and actual age of the group are without significant
Sex differernce, there was no significant difference with actual age for the eye apparent age of the evaluated person of judgement；Wherein, apparent age and practical year
The paired t-test result in age is as shown in table 3 below.
The paired t-test result of table 5 eye apparent age and eye actual age
In upper table, the apparent age and actual age paired t-test result p < 0.001 that formula I~IV is calculated illustrate by real
The apparent age of 1 mode I~IV of example acquisition is applied significantly less than actual age.The result also further illustrates that actual age carrys out table
Levy eye age error it is larger, if with actual age come select eye-care cosmetics or nursing means possibly can not obtain it is pre-
The effect of phase.
Embodiment 4
It is a kind of assess eye apparent age method improve eye skin test in application, specifically:
Experimental design: 28 qualified Asia women volunteers of selection, volunteer should meet following conditions:
(1) Chinese women of the age at 35~55 years old；
(2) eye relaxation person；
(3) crow's foot rank is 2~4 grades of (0~6 point of system) persons；
(4) healthy person when testing；
(5) other reasons participated in are deemed unsuitable for without dermatology doctor；
(6) it can guarantee during testing without sunbath, and can guarantee without prolonged outdoor activity person；
(7) person that can complete testing scheme as required.
The volunteer for meeting following any one person should be excluded:
(1) serious systemic disease, immune deficiency or autoimmune disease person are suffered from；
(2) it suffers from anaphylactia or had cosmetic allergic contact dermatitis person in nearest 1~2 year；
(3) plan pregnancy or the women in gestation or nursing period and six months postpartum；
(4) the present or other testers of nearest month recipient site participation；
(5) test zone with cutaneous diseases or is receiving drug therapy person.
The test product that 6 volunteer of table uses
Deodar essential oil face living, which drives age bright eyes eye cream, to be had the function of improving eye skin state.Volunteer is clean during test
Behind face, ocular only uses " eye cream " of the essential oil containing deodar while cooperating ocular region massaging, respectively uses 1 time sooner or later, continuous use 8
Week.Unusable other any products in addition to test product of volunteer during test.Using before product, using product 4 weeks,
After 8 weeks just using the parallel-polarization type collection interviewee face of facial photo acquisition equipment Visia-CR
Face photo (i.e. using the facial bridge of the nose of interviewee as center line, vertical plane where with the center line is in 0 ° of angle), when shooting, use
Scale bar built in equipment.
Test environment: test temperature is 22 ± 1 DEG C, and relative humidity is 50 ± 5%.
Interpretation of result and statistics: using 7.0 image analysis software of Image-Pro Plus respectively to the figure of the photo of acquisition
As carrying out lengthy calibration, it is associated image pixel with length, the angle for then carrying out eye youth curve to image is analyzed
And length analysis；Using regression equation y=-59.95-15.34x1+15.87x2+27.07x3+0.55x4(y: apparent age；x1For
Endocanthion point is to the linear distance for outer canthus point；x2For the length of upper eyelid lower edge；x3For eyelid buccal groove horizontal tangent point of contact to inside and outside
The distance at corner of the eyes line midpoint；x4For the angle degree of interior outer canthus line and face middle line) carry out apparent age fitting；Using data point
It analyses software SPSS Statistics 20.0 and one-way analysis of variance is carried out to data；To eye actual age and eye apparent year
Age carries out paired t-test comparison；Apparent age improvement is compared using mixed linear model.Wherein, test result is as follows 5 institute of table
Show.
The improvement result table of apparent age in the test of 7 eye skin of table
As seen from the above table, volunteer's eye apparent age after using test product 8 weeks has significant improvement.The result
Also reference can be made to attached drawing 3 and attached drawing 4, wherein " * " indicates p < 0.05 in attached drawing 4.As seen from Figure 4, the eye of volunteer is apparent
There is significant improvement at age.Illustrate that this method can be applied to the effect of evaluation eye cream improves eye skin test.
Claims (10)
1. a kind of method for assessing eye apparent age, which is characterized in that described method includes following steps:
(1) acquire the mug shot of multiple interviewees, the angle of the acquisition be using the facial bridge of the nose of interviewee as center line, with
Vertical plane where the center line is in 0~45° angle；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x2And x3Value；
The x2For the length of upper eyelid lower edge, unit cm；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
(3) according to the actual age y ' of multiple interviewees and gained x2、x3Value, to y ' and x2And x3Analysis of regression model is carried out,
Obtain regression equation I:y '=b+a2x2+a3x3；
(4) x of an evaluated person is measured2And x3Value the eye of the evaluated person is calculated according to the regression equation Formulas I
Apparent age y, y=b+a2x2+a3x3。
2. the method for assessment eye apparent age as described in claim 1, which is characterized in that in step (1), the face shines
The acquisition equipment of piece is Visia-CR face-image analyzer；The Visia-CR face-image analyzer is acquisition interviewee's
It is carried out when mug shot using parallel-polarization mode；
And/or in step (1), when acquiring the mug shot, using built in equipment scale bar correction photo pixel with
Relationship between length；
And/or in step (1), the interviewee be same region, same ethnic group, identity others, preferably Asia
Area yellow race crowd women is more preferably CHINESE REGION yellow race crowd women；
And/or in step (1), the number of samples of the interviewee is 4 people or more, more than preferably 24 people；
And/or in step (2), the lengthy calibration is to be carried out using image analysis software, and described image analysis software is
7.0 image analysis software of Image-Pro Plus；
And/or in step (3), the regression equation is to be obtained using 20.0 Data Analysis Software of SPSS Statistics；
And/or in step (3), further include the steps that testing to the regression model established, the method for the inspection includes
Coefficient of determination method of inspection, regression equation significance test and regression coefficient significance test；
And/or in step (4), when the evaluated person is CHINESE REGION yellow race crowd women, the facial table of the evaluated person
The age is seen according to equation y=-13.14+1.17x2+28.16x3It calculates and obtains.
3. a kind of method for assessing eye apparent age, which is characterized in that described method includes following steps:
(1) acquire the mug shot of multiple interviewees, the angle of the acquisition be using the facial bridge of the nose of interviewee as center line, with
Vertical plane where the center line is in 0~45° angle；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x3And x4Value；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
The x4For the angle degree of interior outer canthus line and face middle line, unit °；
Wherein, the face middle line is ophryon, nose, in people and the line of lip pearl；
(3) according to the actual age y ' of multiple interviewees and gained x3And x4Value, to y ' and x3And x4Analysis of regression model is carried out,
Obtain regression equation II:y '=b+a3x3+a4x4；
(4) x of an evaluated person is measured3And x4Value the eye of the evaluated person is calculated according to the regression equation Formula II
Portion apparent age y, y=b+a3x3+a4x4。
4. the method for assessment eye apparent age as claimed in claim 3, which is characterized in that in step (1), the face shines
The acquisition equipment of piece is Visia-CR face-image analyzer；The Visia-CR face-image analyzer is acquisition interviewee's
It is carried out when mug shot using parallel-polarization mode；
And/or in step (1), when acquiring the mug shot, using built in equipment scale bar correction photo pixel with
Relationship between length；
And/or in step (1), the interviewee be same region, same ethnic group, identity others, preferably Asia
Area yellow race crowd women is more preferably CHINESE REGION yellow race crowd women；
And/or in step (1), the number of samples of the interviewee is 4 people or more, more than preferably 24 people；
And/or in step (2), the lengthy calibration is to be carried out using image analysis software, and described image analysis software is
7.0 image analysis software of Image-Pro Plus；
And/or in step (3), the regression equation is to be obtained using 20.0 Data Analysis Software of SPSS Statistics；
And/or in step (3), further include the steps that testing to the regression model established, the method for the inspection includes
Coefficient of determination method of inspection, regression equation significance test and regression coefficient significance test；
And/or in step (4), when the evaluated person is CHINESE REGION yellow race crowd women, the facial table of the evaluated person
The age is seen according to equation y=-55.35+27.05x3+0.52x4It calculates and obtains.
5. a kind of method for assessing eye apparent age, which is characterized in that described method includes following steps:
(1) acquire the mug shot of multiple interviewees, the angle of the acquisition be using the facial bridge of the nose of interviewee as center line, with
Vertical plane where the center line is in 0~45° angle；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x2、x3And x4Value；
The x2For the length of upper eyelid lower edge, unit cm；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
The x4For the angle degree of interior outer canthus line and face middle line, unit °；
Wherein, the face middle line is ophryon, nose, in people and the line of lip pearl；
(3) according to the actual age y ' of multiple interviewees and gained x2、x3And x4Value, to y ' and x2、x3And x4Carry out recurrence mould
Type analysis obtains regression equation III:y '=b+a2x2+a3x3+a4x4；
(4) x of an evaluated person is measured2、x3And x4Value the evaluated person is calculated according to the regression equation formula III
Eye apparent age y, y=b+a2x2+a3x3+a4x4。
6. the method for assessment eye apparent age as claimed in claim 5, which is characterized in that in step (1), the face shines
The acquisition equipment of piece is Visia-CR face-image analyzer；The Visia-CR face-image analyzer is acquisition interviewee's
It is carried out when mug shot using parallel-polarization mode；
And/or in step (1), when acquiring the mug shot, using built in equipment scale bar correction photo pixel with
Relationship between length；
And/or in step (1), the interviewee be same region, same ethnic group, identity others, preferably Asia
Area yellow race crowd women is more preferably CHINESE REGION yellow race crowd women；
And/or in step (1), the number of samples of the interviewee is 4 people or more, more than preferably 24 people；
And/or in step (2), the lengthy calibration is to be carried out using image analysis software, and described image analysis software is
7.0 image analysis software of Image-Pro Plus；
And/or in step (3), the regression equation is to be obtained using 20.0 Data Analysis Software of SPSS Statistics；
And/or in step (3), further include the steps that testing to the regression model established, the method for the inspection includes
Coefficient of determination method of inspection, regression equation significance test and regression coefficient significance test；
And/or in step (4), when the evaluated person is CHINESE REGION yellow race crowd women, the facial table of the evaluated person
The age is seen according to equation y=-59.75+1.57x2+26.77x3+0.53x4It calculates and obtains.
7. a kind of method for assessing eye apparent age, which is characterized in that described method includes following steps:
(1) acquire the mug shot of multiple interviewees, the angle of the acquisition be using the facial bridge of the nose of interviewee as center line, with
Vertical plane where the center line is in 0~45° angle；
(2) lengthy calibration is carried out to the image of the photo of acquisition, then image is analyzed again, obtains x1、x2、x3And x4Value；
The x1For endocanthion point to the linear distance for outer canthus point, unit cm；
The x2For the length of upper eyelid lower edge, unit cm；
The x3For distance of the point of contact to interior outer canthus line midpoint of eyelid buccal groove horizontal tangent, unit cm；
The x4For the angle degree of interior outer canthus line and face middle line, unit °；
Wherein, the face middle line is ophryon, nose, in people and the line of lip pearl；
(3) according to the actual age y ' of multiple interviewees and gained x1、x2、x3And x4Value, to y ' and x1、x2、x3And x4It is returned
Model analysis obtains regression equation IV:y '=b+a1x1+a2x2+a3x3+a4x4；
(4) x of an evaluated person is measured1、x2、x3And x4Value calculates the evaluated person's according to the regression equation formula IV
Eye apparent age y, y=b+a1x1+a2x2+a3x3+a4x4。
8. the method for assessment eye apparent age as claimed in claim 7, which is characterized in that in step (1), the face shines
The acquisition equipment of piece is Visia-CR face-image analyzer；The Visia-CR face-image analyzer is acquisition interviewee's
It is carried out when mug shot using parallel-polarization mode；
And/or in step (1), when acquiring the mug shot, using built in equipment scale bar correction photo pixel with
Relationship between length；
And/or in step (1), the interviewee be same region, same ethnic group, identity others, preferably Asia
Area yellow race crowd women is more preferably CHINESE REGION yellow race crowd women；
And/or in step (1), the number of samples of the interviewee is 4 people or more, more than preferably 24 people；
And/or in step (2), the lengthy calibration is to be carried out using image analysis software, and described image analysis software is
7.0 image analysis software of Image-Pro Plus；
And/or in step (3), the regression equation is to be obtained using 20.0 Data Analysis Software of SPSS Statistics；
And/or in step (3), further include the steps that testing to the regression model established, the method for the inspection includes
Coefficient of determination method of inspection, regression equation significance test and regression coefficient significance test；
And/or in step (4), when the evaluated person is CHINESE REGION yellow race crowd women, the facial table of the evaluated person
The age is seen according to equation y=-59.95-15.34x1+15.87x2+27.07x3+0.55x4It calculates and obtains.
9. a kind of method for assessing facial aging degree, which is characterized in that it includes the following steps:
(1) sample population is assessed using the method for assessing facial apparent age such as any one of claim 1~8, it is described
Sample population contains multiple evaluated persons, obtains the apparent age of each evaluated person；
(2) apparent age obtained by a certain evaluated person and its actual age are subjected to paired t-test, obtain the p of significance analysis
Value, if p < 0.05, determining gained eye apparent age, there are significant differences with actual age；If p >=0.05, institute is determined
Stating the eye apparent age of evaluated person, there was no significant difference with actual age；Preferably, the paired t-test uses SPSS
20.0 Data Analysis Software of Statistics carries out.
10. a kind of method as described in any one of claims 1 to 9 acts on eye in evaluation cosmetics and/or nursing means
Application in the effect of skin.
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| CN107315987A (en) * | 2016-04-27 | 2017-11-03 | 伽蓝（集团）股份有限公司 | Assess facial apparent age, the method and its application of facial aging degree |
| CN106991792A (en) * | 2017-05-15 | 2017-07-28 | 广东小天才科技有限公司 | A kind of eye fatigue detection method and device, user equipment |
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| CN113796826A (en) * | 2020-06-11 | 2021-12-17 | 懿奈(上海)生物科技有限公司 | Method for detecting skin age of human face of Chinese |
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