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Method for assessing facial apparent ages and facial aging degrees and application thereof

A face and evaluator technology, applied to computer parts, instruments, character and pattern recognition, etc., can solve the problems of inappropriate evaluation of Asian faces and the absence of quantitative evaluation of human facial status, so as to achieve a clear starting point and improve facial The effect of clearing the skin and studying the site

Active Publication Date: 2017-11-03
JALA GROUP CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem solved by the present invention is to overcome the defects that there is no method for quantitatively evaluating the state of human face in the prior art, and the existing youth curve can only qualitatively evaluate the face of European and American people, and is not suitable for evaluating the face of Asian people, and provides a method for evaluating facial appearance. The method and application of observing age and facial aging degree

Method used

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  • Method for assessing facial apparent ages and facial aging degrees and application thereof
  • Method for assessing facial apparent ages and facial aging degrees and application thereof
  • Method for assessing facial apparent ages and facial aging degrees and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0097] The present embodiment provides five methods for evaluating the apparent age of the face, i.e. method I~method V, which specifically include the following steps:

[0098] (1) The interviewees selected Chinese women who were healthy, with normal development and good facial features, and those who had facial diseases, scars, facial surgery, obesity or other people who might interfere with the research were excluded; interviewees were divided into one age group every 10 years Grouping (20-29 years old, 30-39 years old, 40-49 years old and 50-60 years old), with more than 60 people in each group, a total of 267 interviewees; interviewees fully understand the nature, purpose and research After the content, fill in the informed consent form; before collecting photos, each interviewee needs to fully clean his face, and rest for 15 minutes in a room with a temperature of 22±2°C and a relative humidity of 50-60%;

[0099] Then use the parallel-polarization mode of the facial pho...

Embodiment 2

[0127] The present embodiment provides five methods for evaluating the apparent age of the face, including method I~method V, and the specific steps are as follows:

[0128] (1) The evaluators were selected from Chinese women with good health, normal development and good facial features, excluding those with facial diseases, scars, facial surgery, obesity or other people who might interfere with the research, a total of 16 interviewees were selected; After fully understanding the nature, purpose and content of the research, the participants filled out the informed consent form; before collecting photos, each person to be evaluated had to clean his face thoroughly, and the conditions were set at a temperature of 22±2°C and a relative humidity of 50-60°C. 15 minutes of rest in the room;

[0129] Then use the parallel-polarization mode of the facial photo collection device Visia-CR to collect the frontal photos of each interviewee (that is, take the interviewee's facial nose brid...

Embodiment 3

[0149] The present embodiment provides the method for assessing the degree of facial aging, and the specific steps are as follows:

[0150] (1) Use the data analysis software SPSS Statistics 20.0 to carry out the paired t test to the actual age of the Chinese women in Example 1 and the estimated apparent age to obtain the p value of the significance analysis;

[0151] (2) If p<0.05, there is a significant difference between the apparent age of the group and the actual age, and it is judged that the apparent age of the person's face is significantly greater than the actual age; if p≥0.05, the apparent age of the group is There is no significant difference from the actual age, and it is judged that the apparent age of the subject's face is not significantly greater than the actual age; among them, the paired t-test results of the apparent age and actual age are shown in Table 3 below.

[0152]Table 3 Paired t-test results of apparent age and actual age

[0153]

[0154]

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Abstract

The invention discloses a method for assessing facial apparent ages and facial aging degrees and an application thereof. The method comprises the following steps of: (1) collecting facial photos of a plurality of interviewees; (2) carrying out length calibration and analysis on the photos to obtain values x1 and x3, or values x2 and x4, or values x3 and x4, or values x1 and x2 or values x1, x2, x3 and x4, wherein x1 is a distance from a starting point to the upper edge of the palpebra inferior, x2 is a distance from an intersection point of a line 3 and a line 4 to the labial midline, x3 is a degree of an included angle between a line 1 and a line 2, and x4 is a degree of an included angle between the line 3 and the line 4; (3) carrying out regression model analysis according to the practical ages y' of the interviewees and the values x1, x2, x3 and / or x4; and (4) calculating the facial apparent ages y of the assessed according to an obtained regression equation. The method is capable of quantitatively assessing the facial apparent ages and aging degrees of people in different regions, particularly the Asian people, and is good in reliability.

Description

technical field [0001] The invention relates to a method for evaluating the apparent age of the face and the aging degree of the face and its application. Background technique [0002] The aging face is an overall change gradually formed during the aging process of the face. With the relaxation of facial ligaments and the downward movement of soft tissues, phenomena such as periorbital enlargement, nasolabial fold deepening, and "fat" on the cheeks appear, resulting in changes in the facial contour curve. In the prior art, one or more points such as facial wrinkles, eyelid bags, and nasolabial folds are usually used to assess facial aging. However, these evaluation methods are too limited due to the small area studied, so it is necessary to develop a method to study facial aging from the whole area of ​​the face. [0003] In 2000, Little William proposed the youthful curve (youthful curve), a curve in the middle of the face that looks like the letter "S" when viewed from th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
CPCG06V40/165G06V40/171G06V40/178G06V40/16G06V40/172
Inventor 崔俭杰吴越黄晨
Owner JALA GROUP CORPORATION
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