SKIN EVALUATION APPARATUS, SKIN EVALUATION METHOD, AND SKIN EVALUATION PROGRAM

• US 20180000349A1
• Filed: 09/20/2017
• Published: 01/04/2018
• Est. Priority Date: 03/31/2015
• Status: Active Grant

• Current Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Original Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Inventors: YOSHIDA, Naoko, YAMAGUCHI, Yoshitaka, ISHIBASHI, Hideyasu, IKEDA, Eriko, TANI, Takeharu
• Granted Patent: US 10,743,769 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 2576/02 specially adapted for a particular organ or body part
• CPC Class Codes: A61B 5/0077 Devices for viewing the surface of the body, e.g. camera, magnifying lens
• CPC Class Codes: A61B 5/107 Measuring physical dimensions, e.g. size of the entire body or parts thereof
• CPC Class Codes: A61B 5/1079 using optical or photographic means
• CPC Class Codes: A61B 5/442 Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
• CPC Class Codes: A61B 5/443 Evaluating skin constituents, e.g. elastin, melanin, water
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: G16H 30/40 for processing medical images, e.g. editing

Abstract

Provided are a skin evaluation apparatus, a skin evaluation method, and a non-transitory computer readable recording medium storing a skin evaluation program capable of evaluating gloss of skin in consideration of both of a physical feature of the skin and an optical feature of the skin to quantitatively evaluate gloss of the skin closer to a practical point of view. The skin evaluation apparatus includes a shape information acquisition unit 22 that acquires information on a surface unevenness shape of the skin; an optical feature information acquisition unit 23 that acquires information on an optical feature of the skin; and an evaluation unit 24 that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.

Claims

1. A skin evaluation apparatus comprising:

a shape information acquisition unit that acquires information on a surface unevenness shape of skin;

an optical feature information acquisition unit that acquires information on an optical feature of the skin; and

an evaluation unit that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.

2. The skin evaluation apparatus according to claim 1,

wherein the shape information acquisition unit acquires an image obtained by imaging the skin and acquires the information on the surface unevenness shape on the basis of the acquired image.

3. The skin evaluation apparatus according to claim 1,

wherein the shape information acquisition unit acquires an image obtained by imaging peeling of stratum corneum taken from the skin and acquires the information on the surface unevenness shape on the basis of the acquired image.

4. The skin evaluation apparatus according to claim 1,

wherein the shape information acquisition unit reads and acquires the information on the surface unevenness shape of the skin which is stored in advance in a data server apparatus.

5. The skin evaluation apparatus according to claim 1,

wherein the shape information acquisition unit acquires information indicating a state of the stratum corneum of the skin as the information on the surface unevenness shape.

6. The skin evaluation apparatus according to claim 2,

wherein the shape information acquisition unit acquires information indicating a state of the stratum corneum of the skin as the information on the surface unevenness shape.

7. The skin evaluation apparatus according to claim 3,

wherein the shape information acquisition unit acquires information indicating a state of the stratum corneum of the skin as the information on the surface unevenness shape.

8. The skin evaluation apparatus according to claim 4,

wherein the shape information acquisition unit acquires information indicating a state of the stratum corneum of the skin as the information on the surface unevenness shape.

9. The skin evaluation apparatus according to claim 1,

wherein the shape information acquisition unit acquires information on at least one of a width, a tilt angle, or a density of sulci cutis of the skin as the information on the surface unevenness shape.

10. The skin evaluation apparatus according to claim 2,

wherein the shape information acquisition unit acquires information on at least one of a width, a tilt angle, or a density of sulci cutis of the skin as the information on the surface unevenness shape.

11. The skin evaluation apparatus according to claim 3,

wherein the shape information acquisition unit acquires information on at least one of a width, a tilt angle, or a density of sulci cutis of the skin as the information on the surface unevenness shape.

12. The skin evaluation apparatus according to claim 4,

wherein the shape information acquisition unit acquires information on at least one of a width, a tilt angle, or a density of sulci cutis of the skin as the information on the surface unevenness shape.

13. The skin evaluation apparatus according to claim 5,

wherein the shape information acquisition unit acquires information on at least one of a width, a tilt angle, or a density of sulci cutis of the skin as the information on the surface unevenness shape.

14. The skin evaluation apparatus according to claim 1,

wherein the optical feature information acquisition unit acquires a scattering coefficient within the skin as the information on the optical feature.

15. The skin evaluation apparatus according to claim 2,

wherein the optical feature information acquisition unit acquires a scattering coefficient within the skin as the information on the optical feature.

16. The skin evaluation apparatus according to claim 14,

wherein the optical feature information acquisition unit acquires a slit optical image captured by irradiating the skin with slit light and acquires the scattering coefficient within the skin on the basis of the slit optical image.

17. The skin evaluation apparatus according to claim 1,

wherein the shape information acquisition unit acquires information indicating the state of the stratum corneum of the skin and the information on the width, the tilt angle, and the density of the sulci cutis of the skin as the information on the surface unevenness shape,

wherein the optical feature information acquisition unit acquires the scattering coefficient within the skin as the information on the optical feature, and

wherein the evaluation unit evaluates the gloss of the skin on the basis of the information indicating the state of the stratum corneum of the skin and the information on the width, the tilt angle and the density of the sulci cutis of the skin, and the scattering coefficient within the skin.

18. The skin evaluation apparatus according to claim 17,

wherein the evaluation unit evaluates that the gloss of the skin is good in a case where an area ratio of a peeling portion of the stratum corneum is 20% or less, the width of the sulci cutis of the skin is within 50±

30 μ

m, the tilt angle of the sulci cutis is 80 degrees or greater and 90 degrees or smaller, and the density of the sulci cutis is 30% or greater.

19. A skin evaluation method comprising:

acquiring information on a surface unevenness shape of skin;

acquiring information on an optical feature of the skin; and

evaluating gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.

20. A non-transitory computer readable recording medium storing a skin evaluation program that causes a computer to function as:

a shape information acquisition unit that acquires information on a surface unevenness shape of skin;

an optical feature information acquisition unit that acquires information on an optical feature of the skin; and

an evaluation unit that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the optical feature.